diff options
author | Karl Berry <karl@freefriends.org> | 2012-07-23 17:14:27 +0000 |
---|---|---|
committer | Karl Berry <karl@freefriends.org> | 2012-07-23 17:14:27 +0000 |
commit | f7855c12c18bb97b7b9e49ab685ee558d8c0b47b (patch) | |
tree | 9196e768b98b68b7ea8eb5fbdf45508d766f4056 /Master/texmf-dist/tex/latex/l3experimental/l3str/l3regex-trace.sty | |
parent | c47bc266846cc8bf776d79f1f54140443a8269a3 (diff) |
l3 3990
git-svn-id: svn://tug.org/texlive/trunk@27107 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex/latex/l3experimental/l3str/l3regex-trace.sty')
-rw-r--r-- | Master/texmf-dist/tex/latex/l3experimental/l3str/l3regex-trace.sty | 3010 |
1 files changed, 1509 insertions, 1501 deletions
diff --git a/Master/texmf-dist/tex/latex/l3experimental/l3str/l3regex-trace.sty b/Master/texmf-dist/tex/latex/l3experimental/l3str/l3regex-trace.sty index 0208088744a..7b31ebc4613 100644 --- a/Master/texmf-dist/tex/latex/l3experimental/l3str/l3regex-trace.sty +++ b/Master/texmf-dist/tex/latex/l3experimental/l3str/l3regex-trace.sty @@ -46,448 +46,448 @@ %% %% ----------------------------------------------------------------------- \RequirePackage{expl3} -\GetIdInfo$Id: l3regex.dtx 3488 2012-03-03 19:49:03Z bruno $ - {L3 Experimental Regular Expressions} +\GetIdInfo$Id: l3regex.dtx 3940 2012-07-09 00:41:44Z bruno $ + {L3 Experimental regular expressions} \ProvidesExplPackage {\ExplFileName}{\ExplFileDate}{\ExplFileVersion}{\ExplFileDescription} \RequirePackage{l3tl-build, l3tl-analysis, l3flag, l3str} \cs_generate_variant:Nn \tl_to_str:n { V } -\cs_new:Npn \regex_tmp:w { } -\tl_new:N \l_regex_internal_a_tl -\tl_new:N \l_regex_internal_b_tl -\int_new:N \l_regex_internal_a_int -\int_new:N \l_regex_internal_b_int -\int_new:N \l_regex_internal_c_int -\bool_new:N \l_regex_internal_bool -\seq_new:N \l_regex_internal_seq -\tl_new:N \g_regex_internal_tl -\tl_const:Nn \c_regex_no_match_regex - { - \regex_branch:n - { \regex_class:NnnnN \c_true_bool { } { 1 } { 0 } \c_true_bool } - } -\int_new:N \l_regex_balance_int -\cs_new_protected:Npn \regex_break_true:w - #1 \regex_break_point:TF #2 #3 {#2} -\cs_new_protected:Npn \regex_break_point:TF #1 #2 { #2 } -\cs_new_protected:Npn \regex_item_reverse:n #1 +\cs_new:Npn \__regex_tmp:w { } +\tl_new:N \l__regex_internal_a_tl +\tl_new:N \l__regex_internal_b_tl +\int_new:N \l__regex_internal_a_int +\int_new:N \l__regex_internal_b_int +\int_new:N \l__regex_internal_c_int +\bool_new:N \l__regex_internal_bool +\seq_new:N \l__regex_internal_seq +\tl_new:N \g__regex_internal_tl +\tl_const:Nn \c__regex_no_match_regex + { + \__regex_branch:n + { \__regex_class:NnnnN \c_true_bool { } { 1 } { 0 } \c_true_bool } + } +\int_new:N \l__regex_balance_int +\cs_new_protected:Npn \__regex_break_true:w + #1 \__regex_break_point:TF #2 #3 {#2} +\cs_new_protected:Npn \__regex_break_point:TF #1 #2 { #2 } +\cs_new_protected:Npn \__regex_item_reverse:n #1 { #1 - \regex_break_point:TF { } \regex_break_true:w + \__regex_break_point:TF { } \__regex_break_true:w } -\cs_new_protected:Npn \regex_item_caseful_equal:n #1 +\cs_new_protected:Npn \__regex_item_caseful_equal:n #1 { - \if_num:w #1 = \l_regex_current_char_int - \exp_after:wN \regex_break_true:w + \if_int_compare:w #1 = \l__regex_current_char_int + \exp_after:wN \__regex_break_true:w \fi: } -\cs_new_protected:Npn \regex_item_caseful_range:nn #1 #2 +\cs_new_protected:Npn \__regex_item_caseful_range:nn #1 #2 { - \reverse_if:N \if_num:w #1 > \l_regex_current_char_int - \reverse_if:N \if_num:w #2 < \l_regex_current_char_int - \exp_after:wN \exp_after:wN \exp_after:wN \regex_break_true:w + \reverse_if:N \if_int_compare:w #1 > \l__regex_current_char_int + \reverse_if:N \if_int_compare:w #2 < \l__regex_current_char_int + \exp_after:wN \exp_after:wN \exp_after:wN \__regex_break_true:w \fi: \fi: } -\cs_new_protected:Npn \regex_item_caseless_equal:n #1 +\cs_new_protected:Npn \__regex_item_caseless_equal:n #1 { - \if_num:w #1 = \l_regex_current_char_int - \exp_after:wN \regex_break_true:w + \if_int_compare:w #1 = \l__regex_current_char_int + \exp_after:wN \__regex_break_true:w \fi: - \if_num:w \l_regex_case_changed_char_int = \c_max_int - \regex_compute_case_changed_char: + \if_int_compare:w \l__regex_case_changed_char_int = \c_max_int + \__regex_compute_case_changed_char: \fi: - \if_num:w #1 = \l_regex_case_changed_char_int - \exp_after:wN \regex_break_true:w + \if_int_compare:w #1 = \l__regex_case_changed_char_int + \exp_after:wN \__regex_break_true:w \fi: } -\cs_new_protected:Npn \regex_item_caseless_range:nn #1 #2 +\cs_new_protected:Npn \__regex_item_caseless_range:nn #1 #2 { - \reverse_if:N \if_num:w #1 > \l_regex_current_char_int - \reverse_if:N \if_num:w #2 < \l_regex_current_char_int - \exp_after:wN \exp_after:wN \exp_after:wN \regex_break_true:w + \reverse_if:N \if_int_compare:w #1 > \l__regex_current_char_int + \reverse_if:N \if_int_compare:w #2 < \l__regex_current_char_int + \exp_after:wN \exp_after:wN \exp_after:wN \__regex_break_true:w \fi: \fi: - \if_num:w \l_regex_case_changed_char_int = \c_max_int - \regex_compute_case_changed_char: + \if_int_compare:w \l__regex_case_changed_char_int = \c_max_int + \__regex_compute_case_changed_char: \fi: - \reverse_if:N \if_num:w #1 > \l_regex_case_changed_char_int - \reverse_if:N \if_num:w #2 < \l_regex_case_changed_char_int - \exp_after:wN \exp_after:wN \exp_after:wN \regex_break_true:w + \reverse_if:N \if_int_compare:w #1 > \l__regex_case_changed_char_int + \reverse_if:N \if_int_compare:w #2 < \l__regex_case_changed_char_int + \exp_after:wN \exp_after:wN \exp_after:wN \__regex_break_true:w \fi: \fi: } -\cs_new_protected_nopar:Npn \regex_compute_case_changed_char: +\cs_new_protected_nopar:Npn \__regex_compute_case_changed_char: { - \int_set_eq:NN \l_regex_case_changed_char_int \l_regex_current_char_int - \if_num:w \l_regex_current_char_int < \c_ninety_one - \if_num:w \l_regex_current_char_int < \c_sixty_five + \int_set_eq:NN \l__regex_case_changed_char_int \l__regex_current_char_int + \if_int_compare:w \l__regex_current_char_int < \c_ninety_one + \if_int_compare:w \l__regex_current_char_int < \c_sixty_five \else: - \int_add:Nn \l_regex_case_changed_char_int { \c_thirty_two } + \int_add:Nn \l__regex_case_changed_char_int { \c_thirty_two } \fi: \else: - \if_num:w \l_regex_current_char_int < \c_one_hundred_twenty_three - \if_num:w \l_regex_current_char_int < \c_ninety_seven + \if_int_compare:w \l__regex_current_char_int < \c_one_hundred_twenty_three + \if_int_compare:w \l__regex_current_char_int < \c_ninety_seven \else: - \int_sub:Nn \l_regex_case_changed_char_int { \c_thirty_two } + \int_sub:Nn \l__regex_case_changed_char_int { \c_thirty_two } \fi: \fi: \fi: } -\cs_new_eq:NN \regex_item_equal:n ? -\cs_new_eq:NN \regex_item_range:nn ? -\cs_new_protected:Npn \regex_item_catcode_aux: +\cs_new_eq:NN \__regex_item_equal:n ? +\cs_new_eq:NN \__regex_item_range:nn ? +\cs_new_protected:Npn \__regex_item_catcode: { " - \if_case:w \l_regex_current_catcode_int + \if_case:w \l__regex_current_catcode_int 1 \or: 4 \or: 10 \or: 40 \or: 100 \or: \or: 1000 \or: 4000 \or: 10000 \or: \or: 100000 \or: 400000 \or: 1000000 \or: 4000000 \else: 1*\c_zero \fi: } -\cs_new_protected:Npn \regex_item_catcode:nT #1 +\cs_new_protected:Npn \__regex_item_catcode:nT #1 { - \if_int_odd:w \int_eval:w #1 / \regex_item_catcode_aux: \int_eval_end: + \if_int_odd:w \__int_eval:w #1 / \__regex_item_catcode: \__int_eval_end: \exp_after:wN \use:n \else: \exp_after:wN \use_none:n \fi: } -\cs_new_protected:Npn \regex_item_catcode_reverse:nT #1#2 - { \regex_item_catcode:nT {#1} { \regex_item_reverse:n {#2} } } -\cs_new_protected:Npn \regex_item_exact:nn #1#2 +\cs_new_protected:Npn \__regex_item_catcode_reverse:nT #1#2 + { \__regex_item_catcode:nT {#1} { \__regex_item_reverse:n {#2} } } +\cs_new_protected:Npn \__regex_item_exact:nn #1#2 { - \if_num:w #1 = \l_regex_current_catcode_int - \if_num:w #2 = \l_regex_current_char_int - \exp_after:wN \exp_after:wN \exp_after:wN \regex_break_true:w + \if_int_compare:w #1 = \l__regex_current_catcode_int + \if_int_compare:w #2 = \l__regex_current_char_int + \exp_after:wN \exp_after:wN \exp_after:wN \__regex_break_true:w \fi: \fi: } -\cs_new_protected:Npn \regex_item_exact_cs:c #1 +\cs_new_protected:Npn \__regex_item_exact_cs:c #1 { - \int_compare:nNnTF \l_regex_current_catcode_int = \c_zero + \int_compare:nNnTF \l__regex_current_catcode_int = \c_zero { - \str_if_eq:xxTF + \str_if_eq_x:nnTF { \exp_after:wN \exp_after:wN \exp_after:wN \cs_to_str:N - \tex_the:D \tex_toks:D \l_regex_current_pos_int + \tex_the:D \tex_toks:D \l__regex_current_pos_int } { #1 } - { \regex_break_true:w } { } + { \__regex_break_true:w } { } } { } } -\cs_new_protected:Npn \regex_item_cs:n #1 +\cs_new_protected:Npn \__regex_item_cs:n #1 { - \int_compare:nNnT \l_regex_current_catcode_int = \c_zero + \int_compare:nNnT \l__regex_current_catcode_int = \c_zero { \group_begin: - \regex_single_match: - \regex_disable_submatches: - \regex_build_for_cs:n {#1} - \bool_set_eq:NN \l_regex_saved_success_bool \g_regex_success_bool - \exp_args:Nx \regex_match:n + \__regex_single_match: + \__regex_disable_submatches: + \__regex_build_for_cs:n {#1} + \bool_set_eq:NN \l__regex_saved_success_bool \g__regex_success_bool + \exp_args:Nx \__regex_match:n { \exp_after:wN \exp_after:wN \exp_after:wN \cs_to_str:N - \tex_the:D \tex_toks:D \l_regex_current_pos_int + \tex_the:D \tex_toks:D \l__regex_current_pos_int } - \if_meaning:w \c_true_bool \g_regex_success_bool - \group_insert_after:N \regex_break_true:w + \if_meaning:w \c_true_bool \g__regex_success_bool + \group_insert_after:N \__regex_break_true:w \fi: - \bool_gset_eq:NN \g_regex_success_bool \l_regex_saved_success_bool + \bool_gset_eq:NN \g__regex_success_bool \l__regex_saved_success_bool \group_end: } } -\cs_new_protected_nopar:Npn \regex_prop_d: - { \regex_item_caseful_range:nn \c_forty_eight { 57 } } % 0--9 -\cs_new_protected_nopar:Npn \regex_prop_h: - { - \regex_item_caseful_equal:n \c_thirty_two % space - \regex_item_caseful_equal:n \c_nine % tab - } -\cs_new_protected_nopar:Npn \regex_prop_s: - { - \regex_item_caseful_equal:n \c_thirty_two % space - \regex_item_caseful_equal:n \c_nine % tab - \regex_item_caseful_equal:n \c_ten % lf - \regex_item_caseful_equal:n \c_twelve % ff - \regex_item_caseful_equal:n \c_thirteen % cr - } -\cs_new_protected_nopar:Npn \regex_prop_v: - { \regex_item_caseful_range:nn \c_ten \c_thirteen } % lf, vtab, ff, cr -\cs_new_protected_nopar:Npn \regex_prop_w: - { - \regex_item_caseful_range:nn \c_ninety_seven { 122 } % a--z - \regex_item_caseful_range:nn \c_sixty_five { 90 } % A--Z - \regex_item_caseful_range:nn \c_forty_eight { 57 } % 0--9 - \regex_item_caseful_equal:n { 95 } % _ - } -\cs_new_protected_nopar:Npn \regex_prop_N: - { \regex_item_reverse:n { \regex_item_caseful_equal:n \c_ten } } -\cs_new_protected_nopar:Npn \regex_posix_alnum: - { \regex_posix_alpha: \regex_posix_digit: } -\cs_new_protected_nopar:Npn \regex_posix_alpha: - { \regex_posix_lower: \regex_posix_upper: } -\cs_new_protected_nopar:Npn \regex_posix_ascii: - { \regex_item_caseful_range:nn \c_zero \c_one_hundred_twenty_seven } -\cs_new_eq:NN \regex_posix_blank: \regex_prop_h: -\cs_new_protected_nopar:Npn \regex_posix_cntrl: - { - \regex_item_caseful_range:nn \c_zero { 31 } - \regex_item_caseful_equal:n \c_one_hundred_twenty_seven - } -\cs_new_eq:NN \regex_posix_digit: \regex_prop_d: -\cs_new_protected_nopar:Npn \regex_posix_graph: - { \regex_item_caseful_range:nn { 33 } { 126 } } -\cs_new_protected_nopar:Npn \regex_posix_lower: - { \regex_item_caseful_range:nn \c_ninety_seven { 122 } } -\cs_new_protected_nopar:Npn \regex_posix_print: - { \regex_item_caseful_range:nn \c_thirty_two { 126 } } -\cs_new_protected_nopar:Npn \regex_posix_punct: - { - \regex_item_caseful_range:nn { 33 } { 47 } - \regex_item_caseful_range:nn { 58 } { 64 } - \regex_item_caseful_range:nn { 91 } { 96 } - \regex_item_caseful_range:nn { 123 } { 126 } - } -\cs_new_protected_nopar:Npn \regex_posix_space: - { - \regex_item_caseful_equal:n \c_thirty_two - \regex_item_caseful_range:nn \c_nine \c_thirteen - } -\cs_new_protected_nopar:Npn \regex_posix_upper: - { \regex_item_caseful_range:nn \c_sixty_five { 90 } } -\cs_new_eq:NN \regex_posix_word: \regex_prop_w: -\cs_new_protected_nopar:Npn \regex_posix_xdigit: - { - \regex_posix_digit: - \regex_item_caseful_range:nn \c_sixty_five { 70 } - \regex_item_caseful_range:nn \c_ninety_seven { 102 } - } -\cs_new_protected:Npn \regex_escape_use:nnnn #1#2#3#4 - { - \trace_push:nnn { regex } { 1 } { regex_escape_use:nnnn } - \tl_set_build:Nw \l_regex_internal_a_tl - \cs_set_nopar:Npn \regex_escape_unescaped:N ##1 { #1 } - \cs_set_nopar:Npn \regex_escape_escaped:N ##1 { #2 } - \cs_set_nopar:Npn \regex_escape_raw:N ##1 { #3 } +\cs_new_protected_nopar:Npn \__regex_prop_d: + { \__regex_item_caseful_range:nn \c_forty_eight { 57 } } % 0--9 +\cs_new_protected_nopar:Npn \__regex_prop_h: + { + \__regex_item_caseful_equal:n \c_thirty_two % space + \__regex_item_caseful_equal:n \c_nine % tab + } +\cs_new_protected_nopar:Npn \__regex_prop_s: + { + \__regex_item_caseful_equal:n \c_thirty_two % space + \__regex_item_caseful_equal:n \c_nine % tab + \__regex_item_caseful_equal:n \c_ten % lf + \__regex_item_caseful_equal:n \c_twelve % ff + \__regex_item_caseful_equal:n \c_thirteen % cr + } +\cs_new_protected_nopar:Npn \__regex_prop_v: + { \__regex_item_caseful_range:nn \c_ten \c_thirteen } % lf, vtab, ff, cr +\cs_new_protected_nopar:Npn \__regex_prop_w: + { + \__regex_item_caseful_range:nn \c_ninety_seven { 122 } % a--z + \__regex_item_caseful_range:nn \c_sixty_five { 90 } % A--Z + \__regex_item_caseful_range:nn \c_forty_eight { 57 } % 0--9 + \__regex_item_caseful_equal:n { 95 } % _ + } +\cs_new_protected_nopar:Npn \__regex_prop_N: + { \__regex_item_reverse:n { \__regex_item_caseful_equal:n \c_ten } } +\cs_new_protected_nopar:Npn \__regex_posix_alnum: + { \__regex_posix_alpha: \__regex_posix_digit: } +\cs_new_protected_nopar:Npn \__regex_posix_alpha: + { \__regex_posix_lower: \__regex_posix_upper: } +\cs_new_protected_nopar:Npn \__regex_posix_ascii: + { \__regex_item_caseful_range:nn \c_zero \c_one_hundred_twenty_seven } +\cs_new_eq:NN \__regex_posix_blank: \__regex_prop_h: +\cs_new_protected_nopar:Npn \__regex_posix_cntrl: + { + \__regex_item_caseful_range:nn \c_zero { 31 } + \__regex_item_caseful_equal:n \c_one_hundred_twenty_seven + } +\cs_new_eq:NN \__regex_posix_digit: \__regex_prop_d: +\cs_new_protected_nopar:Npn \__regex_posix_graph: + { \__regex_item_caseful_range:nn { 33 } { 126 } } +\cs_new_protected_nopar:Npn \__regex_posix_lower: + { \__regex_item_caseful_range:nn \c_ninety_seven { 122 } } +\cs_new_protected_nopar:Npn \__regex_posix_print: + { \__regex_item_caseful_range:nn \c_thirty_two { 126 } } +\cs_new_protected_nopar:Npn \__regex_posix_punct: + { + \__regex_item_caseful_range:nn { 33 } { 47 } + \__regex_item_caseful_range:nn { 58 } { 64 } + \__regex_item_caseful_range:nn { 91 } { 96 } + \__regex_item_caseful_range:nn { 123 } { 126 } + } +\cs_new_protected_nopar:Npn \__regex_posix_space: + { + \__regex_item_caseful_equal:n \c_thirty_two + \__regex_item_caseful_range:nn \c_nine \c_thirteen + } +\cs_new_protected_nopar:Npn \__regex_posix_upper: + { \__regex_item_caseful_range:nn \c_sixty_five { 90 } } +\cs_new_eq:NN \__regex_posix_word: \__regex_prop_w: +\cs_new_protected_nopar:Npn \__regex_posix_xdigit: + { + \__regex_posix_digit: + \__regex_item_caseful_range:nn \c_sixty_five { 70 } + \__regex_item_caseful_range:nn \c_ninety_seven { 102 } + } +\cs_new_protected:Npn \__regex_escape_use:nnnn #1#2#3#4 + { + \trace_push:nnn { regex } { 1 } { @@_escape_use:nnnn } + \__tl_build:Nw \l__regex_internal_a_tl + \cs_set_nopar:Npn \__regex_escape_unescaped:N ##1 { #1 } + \cs_set_nopar:Npn \__regex_escape_escaped:N ##1 { #2 } + \cs_set_nopar:Npn \__regex_escape_raw:N ##1 { #3 } \int_set:Nn \tex_escapechar:D { 92 } - \str_gset_other:Nn \g_regex_internal_tl { #4 } - \tl_set:Nx \l_regex_internal_b_tl + \__str_gset_other:Nn \g__regex_internal_tl { #4 } + \tl_set:Nx \l__regex_internal_b_tl { - \exp_after:wN \regex_escape_loop:N \g_regex_internal_tl - { break } \prg_break_point:n { } + \exp_after:wN \__regex_escape_loop:N \g__regex_internal_tl + { break } \__prg_break_point: } - \tl_build_one:o \l_regex_internal_b_tl - \tl_build_end: - \trace_pop:nnn { regex } { 1 } { regex_escape_use:nnnn } - \l_regex_internal_a_tl + \__tl_build_one:o \l__regex_internal_b_tl + \__tl_build_end: + \trace_pop:nnn { regex } { 1 } { @@_escape_use:nnnn } + \l__regex_internal_a_tl } -\cs_new:Npn \regex_escape_loop:N #1 +\cs_new:Npn \__regex_escape_loop:N #1 { - \cs_if_exist_use:cF { regex_escape_\token_to_str:N #1:w } - { \regex_escape_unescaped:N #1 } - \regex_escape_loop:N + \cs_if_exist_use:cF { __regex_escape_\token_to_str:N #1:w } + { \__regex_escape_unescaped:N #1 } + \__regex_escape_loop:N } -\cs_new_nopar:cpn { regex_escape_ \c_backslash_str :w } - \regex_escape_loop:N #1 +\cs_new_nopar:cpn { __regex_escape_ \c_backslash_str :w } + \__regex_escape_loop:N #1 { - \cs_if_exist_use:cF { regex_escape_/\token_to_str:N #1:w } - { \regex_escape_escaped:N #1 } - \regex_escape_loop:N + \cs_if_exist_use:cF { __regex_escape_/\token_to_str:N #1:w } + { \__regex_escape_escaped:N #1 } + \__regex_escape_loop:N } -\cs_new_eq:NN \regex_escape_unescaped:N ? -\cs_new_eq:NN \regex_escape_escaped:N ? -\cs_new_eq:NN \regex_escape_raw:N ? -\cs_new_eq:NN \regex_escape_break:w \prg_map_break: -\cs_new_nopar:cpn { regex_escape_/break:w } +\cs_new_eq:NN \__regex_escape_unescaped:N ? +\cs_new_eq:NN \__regex_escape_escaped:N ? +\cs_new_eq:NN \__regex_escape_raw:N ? +\cs_new_eq:NN \__regex_escape_break:w \__prg_break: +\cs_new_nopar:cpn { __regex_escape_/break:w } { \if_false: { \fi: } - \msg_kernel_error:nn { regex } { trailing-backslash } + \__msg_kernel_error:nn { regex } { trailing-backslash } \exp_after:wN \use_none:n \exp_after:wN { \if_false: } \fi: } -\cs_new_nopar:cpn { regex_escape_~:w } { } -\cs_new_nopar:cpx { regex_escape_/a:w } - { \exp_not:N \regex_escape_raw:N \iow_char:N \^^G } -\cs_new_nopar:cpx { regex_escape_/t:w } - { \exp_not:N \regex_escape_raw:N \iow_char:N \^^I } -\cs_new_nopar:cpx { regex_escape_/n:w } - { \exp_not:N \regex_escape_raw:N \iow_char:N \^^J } -\cs_new_nopar:cpx { regex_escape_/f:w } - { \exp_not:N \regex_escape_raw:N \iow_char:N \^^L } -\cs_new_nopar:cpx { regex_escape_/r:w } - { \exp_not:N \regex_escape_raw:N \iow_char:N \^^M } -\cs_new_nopar:cpx { regex_escape_/e:w } - { \exp_not:N \regex_escape_raw:N \iow_char:N \^^[ } -\cs_new:cpn { regex_escape_/x:w } \regex_escape_loop:N - { - \exp_after:wN \regex_escape_x_end:w - \int_value:w "0 \regex_escape_x_test:N - } -\cs_new:Npn \regex_escape_x_end:w #1 ; +\cs_new_nopar:cpn { __regex_escape_~:w } { } +\cs_new_nopar:cpx { __regex_escape_/a:w } + { \exp_not:N \__regex_escape_raw:N \iow_char:N \^^G } +\cs_new_nopar:cpx { __regex_escape_/t:w } + { \exp_not:N \__regex_escape_raw:N \iow_char:N \^^I } +\cs_new_nopar:cpx { __regex_escape_/n:w } + { \exp_not:N \__regex_escape_raw:N \iow_char:N \^^J } +\cs_new_nopar:cpx { __regex_escape_/f:w } + { \exp_not:N \__regex_escape_raw:N \iow_char:N \^^L } +\cs_new_nopar:cpx { __regex_escape_/r:w } + { \exp_not:N \__regex_escape_raw:N \iow_char:N \^^M } +\cs_new_nopar:cpx { __regex_escape_/e:w } + { \exp_not:N \__regex_escape_raw:N \iow_char:N \^^[ } +\cs_new:cpn { __regex_escape_/x:w } \__regex_escape_loop:N + { + \exp_after:wN \__regex_escape_x_end:w + \__int_value:w "0 \__regex_escape_x_test:N + } +\cs_new:Npn \__regex_escape_x_end:w #1 ; { \int_compare:nNnTF {#1} < \c_two_hundred_fifty_six { - \exp_last_unbraced:Nf \regex_escape_raw:N - { \str_output_byte:n {#1} } + \exp_last_unbraced:Nf \__regex_escape_raw:N + { \__str_output_byte:n {#1} } } - { \regex_escape_x_large:n {#1} } + { \__regex_escape_x_large:n {#1} } } \group_begin: \char_set_catcode_other:n { 0 } - \cs_new:Npn \regex_escape_x_large:n #1 + \cs_new:Npn \__regex_escape_x_large:n #1 { \if_false: { \fi: } - \tl_build_one:o \l_regex_internal_b_tl + \__tl_build_one:o \l__regex_internal_b_tl \int_compare:nNnTF {#1} > \c_max_char_int { - \msg_kernel_error:nnx { regex } { x-overflow } {#1} - \tl_set:Nx \l_regex_internal_b_tl - { \if_false: } \fi: \regex_escape_loop:N + \__msg_kernel_error:nnx { regex } { x-overflow } {#1} + \tl_set:Nx \l__regex_internal_b_tl + { \if_false: } \fi: \__regex_escape_loop:N } { \char_set_lccode:nn { \c_zero } {#1} \tl_to_lowercase:n { - \tl_set:Nx \l_regex_internal_b_tl + \tl_set:Nx \l__regex_internal_b_tl { \if_false: } \fi: - \regex_escape_raw:N ^^@ - \regex_escape_loop:N + \__regex_escape_raw:N ^^@ + \__regex_escape_loop:N } } } \group_end: -\cs_new:Npn \regex_escape_x_test:N #1 +\cs_new:Npn \__regex_escape_x_test:N #1 { - \str_if_eq:xxTF {#1} { break } { ; } + \str_if_eq_x:nnTF {#1} { break } { ; } { \if_charcode:w \c_space_token #1 - \exp_after:wN \regex_escape_x_test:N + \exp_after:wN \__regex_escape_x_test:N \else: - \exp_after:wN \regex_escape_x_test_ii:N + \exp_after:wN \__regex_escape_x_test_ii:N \exp_after:wN #1 \fi: } } -\cs_new:Npn \regex_escape_x_test_ii:N #1 +\cs_new:Npn \__regex_escape_x_test_ii:N #1 { \if_charcode:w \c_lbrace_str #1 - \exp_after:wN \regex_escape_x_loop:N + \exp_after:wN \__regex_escape_x_loop:N \else: - \str_aux_hexadecimal_use:NTF #1 - { \exp_after:wN \regex_escape_x_ii:N } - { ; \exp_after:wN \regex_escape_loop:N \exp_after:wN #1 } + \__str_hexadecimal_use:NTF #1 + { \exp_after:wN \__regex_escape_x_ii:N } + { ; \exp_after:wN \__regex_escape_loop:N \exp_after:wN #1 } \fi: } -\cs_new:Npn \regex_escape_x_ii:N #1 +\cs_new:Npn \__regex_escape_x_ii:N #1 { - \str_if_eq:xxTF {#1} { break } { ; } + \str_if_eq_x:nnTF {#1} { break } { ; } { - \str_aux_hexadecimal_use:NTF #1 - { ; \regex_escape_loop:N } - { ; \regex_escape_loop:N #1 } + \__str_hexadecimal_use:NTF #1 + { ; \__regex_escape_loop:N } + { ; \__regex_escape_loop:N #1 } } } -\cs_new:Npn \regex_escape_x_loop:N #1 +\cs_new:Npn \__regex_escape_x_loop:N #1 { - \str_aux_hexadecimal_use:NTF #1 - { \regex_escape_x_loop:N } + \__str_hexadecimal_use:NTF #1 + { \__regex_escape_x_loop:N } { \token_if_eq_charcode:NNTF \c_space_token #1 - { \regex_escape_x_loop:N } + { \__regex_escape_x_loop:N } { ; \exp_after:wN \token_if_eq_charcode:NNTF \c_rbrace_str #1 - { \regex_escape_loop:N } + { \__regex_escape_loop:N } { \if_false: { \fi: } - \tl_build_one:o \l_regex_internal_b_tl - \msg_kernel_error:nn { regex } { x-missing-rbrace } {#1} - \tl_set:Nx \l_regex_internal_b_tl - { \if_false: } \fi: \regex_escape_loop:N #1 + \__tl_build_one:o \l__regex_internal_b_tl + \__msg_kernel_error:nn { regex } { x-missing-rbrace } {#1} + \tl_set:Nx \l__regex_internal_b_tl + { \if_false: } \fi: \__regex_escape_loop:N #1 } } } } -\prg_new_conditional:Npnn \regex_char_if_special:N #1 { TF } +\prg_new_conditional:Npnn \__regex_char_if_special:N #1 { TF } { - \if_num:w `#1 < \c_ninety_one - \if_num:w `#1 < \c_fifty_eight - \if_num:w `#1 < \c_forty_eight - \if_num:w `#1 < \c_thirty_two + \if_int_compare:w `#1 < \c_ninety_one + \if_int_compare:w `#1 < \c_fifty_eight + \if_int_compare:w `#1 < \c_forty_eight + \if_int_compare:w `#1 < \c_thirty_two \prg_return_false: \else: \prg_return_true: \fi: \else: \prg_return_false: \fi: \else: - \if_num:w `#1 < \c_sixty_five + \if_int_compare:w `#1 < \c_sixty_five \prg_return_true: \else: \prg_return_false: \fi: \fi: \else: - \if_num:w `#1 < \c_one_hundred_twenty_three - \if_num:w `#1 < \c_ninety_seven + \if_int_compare:w `#1 < \c_one_hundred_twenty_three + \if_int_compare:w `#1 < \c_ninety_seven \prg_return_true: \else: \prg_return_false: \fi: \else: - \if_num:w `#1 < \c_one_hundred_twenty_seven + \if_int_compare:w `#1 < \c_one_hundred_twenty_seven \prg_return_true: \else: \prg_return_false: \fi: \fi: \fi: } -\prg_new_conditional:Npnn \regex_char_if_alphanumeric:N #1 { TF } +\prg_new_conditional:Npnn \__regex_char_if_alphanumeric:N #1 { TF } { - \if_num:w `#1 < \c_ninety_one - \if_num:w `#1 < \c_fifty_eight - \if_num:w `#1 < \c_forty_eight + \if_int_compare:w `#1 < \c_ninety_one + \if_int_compare:w `#1 < \c_fifty_eight + \if_int_compare:w `#1 < \c_forty_eight \prg_return_false: \else: \prg_return_true: \fi: \else: - \if_num:w `#1 < \c_sixty_five + \if_int_compare:w `#1 < \c_sixty_five \prg_return_false: \else: \prg_return_true: \fi: \fi: \else: - \if_num:w `#1 < \c_one_hundred_twenty_three - \if_num:w `#1 < \c_ninety_seven + \if_int_compare:w `#1 < \c_one_hundred_twenty_three + \if_int_compare:w `#1 < \c_ninety_seven \prg_return_false: \else: \prg_return_true: \fi: \else: \prg_return_false: \fi: \fi: } -\int_new:N \l_regex_group_level_int -\int_new:N \l_regex_mode_int -\int_new:N \l_regex_catcodes_int -\int_new:N \l_regex_default_catcodes_int -\bool_new:N \l_regex_catcodes_bool -\int_const:Nn \c_regex_catcode_C_int { "1 } -\int_const:Nn \c_regex_catcode_B_int { "4 } -\int_const:Nn \c_regex_catcode_E_int { "10 } -\int_const:Nn \c_regex_catcode_M_int { "40 } -\int_const:Nn \c_regex_catcode_T_int { "100 } -\int_const:Nn \c_regex_catcode_P_int { "1000 } -\int_const:Nn \c_regex_catcode_U_int { "4000 } -\int_const:Nn \c_regex_catcode_D_int { "10000 } -\int_const:Nn \c_regex_catcode_S_int { "100000 } -\int_const:Nn \c_regex_catcode_L_int { "400000 } -\int_const:Nn \c_regex_catcode_O_int { "1000000 } -\int_const:Nn \c_regex_catcode_A_int { "4000000 } -\int_const:Nn \c_regex_all_catcodes_int { "5515155 } -\cs_new_eq:NN \l_regex_internal_regex \c_regex_no_match_regex -\seq_new:N \l_regex_show_prefix_seq -\int_new:N \l_regex_show_lines_int -\cs_new_protected:Npn \regex_get_digits:NTFw #1#2#3#4#5 - { - \regex_if_raw_digit:NNTF #4 #5 - { #1 = #5 \regex_get_digits_loop:nw {#2} } +\int_new:N \l__regex_group_level_int +\int_new:N \l__regex_mode_int +\int_new:N \l__regex_catcodes_int +\int_new:N \l__regex_default_catcodes_int +\bool_new:N \l__regex_catcodes_bool +\int_const:Nn \c__regex_catcode_C_int { "1 } +\int_const:Nn \c__regex_catcode_B_int { "4 } +\int_const:Nn \c__regex_catcode_E_int { "10 } +\int_const:Nn \c__regex_catcode_M_int { "40 } +\int_const:Nn \c__regex_catcode_T_int { "100 } +\int_const:Nn \c__regex_catcode_P_int { "1000 } +\int_const:Nn \c__regex_catcode_U_int { "4000 } +\int_const:Nn \c__regex_catcode_D_int { "10000 } +\int_const:Nn \c__regex_catcode_S_int { "100000 } +\int_const:Nn \c__regex_catcode_L_int { "400000 } +\int_const:Nn \c__regex_catcode_O_int { "1000000 } +\int_const:Nn \c__regex_catcode_A_int { "4000000 } +\int_const:Nn \c__regex_all_catcodes_int { "5515155 } +\cs_new_eq:NN \l__regex_internal_regex \c__regex_no_match_regex +\seq_new:N \l__regex_show_prefix_seq +\int_new:N \l__regex_show_lines_int +\cs_new_protected:Npn \__regex_get_digits:NTFw #1#2#3#4#5 + { + \__regex_if_raw_digit:NNTF #4 #5 + { #1 = #5 \__regex_get_digits_loop:nw {#2} } { #3 #4 #5 } } -\cs_new:Npn \regex_get_digits_loop:nw #1#2#3 +\cs_new:Npn \__regex_get_digits_loop:nw #1#2#3 { - \regex_if_raw_digit:NNTF #2 #3 - { #3 \regex_get_digits_loop:nw {#1} } + \__regex_if_raw_digit:NNTF #2 #3 + { #3 \__regex_get_digits_loop:nw {#1} } { \scan_stop: #1 #2 #3 } } -\prg_new_conditional:Npnn \regex_if_raw_digit:NN #1#2 { TF } +\prg_new_conditional:Npnn \__regex_if_raw_digit:NN #1#2 { TF } { - \if_meaning:w \regex_compile_raw:N #1 + \if_meaning:w \__regex_compile_raw:N #1 \if_int_compare:w \c_one < 1 #2 \exp_stop_f: \prg_return_true: \else: @@ -497,305 +497,305 @@ \prg_return_false: \fi: } -\cs_new_nopar:Npn \regex_if_in_class:TF +\cs_new_nopar:Npn \__regex_if_in_class:TF { - \if_int_odd:w \l_regex_mode_int + \if_int_odd:w \l__regex_mode_int \exp_after:wN \use_i:nn \else: \exp_after:wN \use_ii:nn \fi: } -\cs_new_nopar:Npn \regex_if_in_cs:TF +\cs_new_nopar:Npn \__regex_if_in_cs:TF { - \if_int_odd:w \l_regex_mode_int + \if_int_odd:w \l__regex_mode_int \exp_after:wN \use_ii:nn \else: - \if_int_compare:w \l_regex_mode_int < \c_zero + \if_int_compare:w \l__regex_mode_int < \c_zero \exp_after:wN \exp_after:wN \exp_after:wN \use_i:nn \else: \exp_after:wN \exp_after:wN \exp_after:wN \use_ii:nn \fi: \fi: } -\cs_new_nopar:Npn \regex_if_in_class_or_catcode:TF +\cs_new_nopar:Npn \__regex_if_in_class_or_catcode:TF { - \if_int_odd:w \l_regex_mode_int + \if_int_odd:w \l__regex_mode_int \exp_after:wN \use_i:nn \else: - \if_int_compare:w \l_regex_mode_int > \c_zero + \if_int_compare:w \l__regex_mode_int > \c_zero \exp_after:wN \exp_after:wN \exp_after:wN \use_i:nn \else: \exp_after:wN \exp_after:wN \exp_after:wN \use_ii:nn \fi: \fi: } -\cs_new_nopar:Npn \regex_if_within_catcode:TF +\cs_new_nopar:Npn \__regex_if_within_catcode:TF { - \if_int_compare:w \l_regex_mode_int > \c_zero + \if_int_compare:w \l__regex_mode_int > \c_zero \exp_after:wN \use_i:nn \else: \exp_after:wN \use_ii:nn \fi: } -\cs_new_protected:Npn \regex_chk_c_allowed:T +\cs_new_protected:Npn \__regex_chk_c_allowed:T { - \if_num:w \l_regex_mode_int = \c_zero + \if_int_compare:w \l__regex_mode_int = \c_zero \exp_after:wN \use:n \else: - \if_num:w \l_regex_mode_int = \c_three + \if_int_compare:w \l__regex_mode_int = \c_three \exp_after:wN \exp_after:wN \exp_after:wN \use:n \else: - \msg_kernel_error:nn { regex } { c-bad-mode } + \__msg_kernel_error:nn { regex } { c-bad-mode } \exp_after:wN \exp_after:wN \exp_after:wN \use_none:n \fi: \fi: } -\cs_new_protected:Npn \regex_mode_quit_c: +\cs_new_protected:Npn \__regex_mode_quit_c: { - \if_num:w \l_regex_mode_int = \c_two - \l_regex_mode_int = \c_zero + \if_int_compare:w \l__regex_mode_int = \c_two + \l__regex_mode_int = \c_zero \else: - \if_num:w \l_regex_mode_int = \c_six - \l_regex_mode_int = \c_three + \if_int_compare:w \l__regex_mode_int = \c_six + \l__regex_mode_int = \c_three \fi: \fi: } -\cs_new_protected_nopar:Npn \regex_compile:w +\cs_new_protected_nopar:Npn \__regex_compile:w { - \tl_set_build_x:Nw \l_regex_internal_regex - \int_zero:N \l_regex_group_level_int - \int_set_eq:NN \l_regex_default_catcodes_int \c_regex_all_catcodes_int - \int_set_eq:NN \l_regex_catcodes_int \l_regex_default_catcodes_int - \cs_set_nopar:Npn \regex_item_equal:n { \regex_item_caseful_equal:n } - \cs_set_nopar:Npn \regex_item_range:nn { \regex_item_caseful_range:nn } - \tl_build_one:n { \regex_branch:n { \if_false: } \fi: } + \__tl_build_x:Nw \l__regex_internal_regex + \int_zero:N \l__regex_group_level_int + \int_set_eq:NN \l__regex_default_catcodes_int \c__regex_all_catcodes_int + \int_set_eq:NN \l__regex_catcodes_int \l__regex_default_catcodes_int + \cs_set_nopar:Npn \__regex_item_equal:n { \__regex_item_caseful_equal:n } + \cs_set_nopar:Npn \__regex_item_range:nn { \__regex_item_caseful_range:nn } + \__tl_build_one:n { \__regex_branch:n { \if_false: } \fi: } } -\cs_new_protected_nopar:Npn \regex_compile_end: +\cs_new_protected_nopar:Npn \__regex_compile_end: { - \regex_if_in_class:TF + \__regex_if_in_class:TF { - \msg_kernel_error:nn { regex } { missing-rbrack } - \use:c { regex_compile_]: } + \__msg_kernel_error:nn { regex } { missing-rbrack } + \use:c { __regex_compile_]: } \prg_do_nothing: \prg_do_nothing: } { } - \if_num:w \l_regex_group_level_int > \c_zero - \msg_kernel_error:nnx { regex } { missing-rparen } - { \int_use:N \l_regex_group_level_int } + \if_int_compare:w \l__regex_group_level_int > \c_zero + \__msg_kernel_error:nnx { regex } { missing-rparen } + { \int_use:N \l__regex_group_level_int } \prg_replicate:nn - { \l_regex_group_level_int } + { \l__regex_group_level_int } { - \tl_build_one:n + \__tl_build_one:n { \if_false: { \fi: } \if_false: { \fi: } { 1 } { 0 } \c_true_bool } - \tl_build_end: - \tl_build_one:o \l_regex_internal_regex + \__tl_build_end: + \__tl_build_one:o \l__regex_internal_regex } \fi: - \tl_build_one:n { \if_false: { \fi: } } - \tl_build_end: + \__tl_build_one:n { \if_false: { \fi: } } + \__tl_build_end: } -\cs_new_protected:Npn \regex_compile:n #1 +\cs_new_protected:Npn \__regex_compile:n #1 { - \regex_compile:w + \__regex_compile:w \int_set:Nn \tex_escapechar:D { 92 } - \int_set_eq:NN \l_regex_mode_int \c_zero - \regex_escape_use:nnnn + \int_set_eq:NN \l__regex_mode_int \c_zero + \__regex_escape_use:nnnn { - \regex_char_if_special:NTF ##1 - \regex_compile_special:N \regex_compile_raw:N ##1 + \__regex_char_if_special:NTF ##1 + \__regex_compile_special:N \__regex_compile_raw:N ##1 } { - \regex_char_if_alphanumeric:NTF ##1 - \regex_compile_escaped:N \regex_compile_raw:N ##1 + \__regex_char_if_alphanumeric:NTF ##1 + \__regex_compile_escaped:N \__regex_compile_raw:N ##1 } - { \regex_compile_raw:N ##1 } + { \__regex_compile_raw:N ##1 } { #1 } \prg_do_nothing: \prg_do_nothing: \prg_do_nothing: \prg_do_nothing: - \int_compare:nNnT \l_regex_mode_int < \c_zero + \int_compare:nNnT \l__regex_mode_int < \c_zero { - \msg_kernel_error:nn { regex } { c-missing-rbrace } - \regex_compile_end: - \regex_compile_one:x - { \regex_item_cs:n { \exp_not:o \l_regex_internal_regex } } + \__msg_kernel_error:nn { regex } { c-missing-rbrace } + \__regex_compile_end: + \__regex_compile_one:x + { \__regex_item_cs:n { \exp_not:o \l__regex_internal_regex } } \prg_do_nothing: \prg_do_nothing: \prg_do_nothing: \prg_do_nothing: } - \regex_compile_end: + \__regex_compile_end: } -\cs_new_protected:Npn \regex_compile_special:N #1 +\cs_new_protected:Npn \__regex_compile_special:N #1 { - \cs_if_exist_use:cF { regex_compile_#1: } - { \regex_compile_raw:N #1 } + \cs_if_exist_use:cF { __regex_compile_#1: } + { \__regex_compile_raw:N #1 } } -\cs_new_protected:Npn \regex_compile_escaped:N #1 +\cs_new_protected:Npn \__regex_compile_escaped:N #1 { - \cs_if_exist_use:cF { regex_compile_/#1: } - { \regex_compile_raw:N #1 } + \cs_if_exist_use:cF { __regex_compile_/#1: } + { \__regex_compile_raw:N #1 } } -\cs_new_protected:Npn \regex_compile_one:x #1 +\cs_new_protected:Npn \__regex_compile_one:x #1 { - \regex_mode_quit_c: - \regex_if_in_class:TF { } + \__regex_mode_quit_c: + \__regex_if_in_class:TF { } { - \tl_build_one:n - { \regex_class:NnnnN \c_true_bool { \if_false: } \fi: } + \__tl_build_one:n + { \__regex_class:NnnnN \c_true_bool { \if_false: } \fi: } } - \tl_build_one:x + \__tl_build_one:x { - \if_num:w \l_regex_catcodes_int < \c_regex_all_catcodes_int - \regex_item_catcode:nT { \int_use:N \l_regex_catcodes_int } + \if_int_compare:w \l__regex_catcodes_int < \c__regex_all_catcodes_int + \__regex_item_catcode:nT { \int_use:N \l__regex_catcodes_int } { \exp_not:N \exp_not:n {#1} } \else: \exp_not:N \exp_not:n {#1} \fi: } - \int_set_eq:NN \l_regex_catcodes_int \l_regex_default_catcodes_int - \regex_if_in_class:TF { } { \regex_compile_quantifier:w } + \int_set_eq:NN \l__regex_catcodes_int \l__regex_default_catcodes_int + \__regex_if_in_class:TF { } { \__regex_compile_quantifier:w } } -\cs_new_protected:Npn \regex_compile_abort_tokens:n #1 +\cs_new_protected:Npn \__regex_compile_abort_tokens:n #1 { \use:x { \exp_args:No \tl_map_function:nN { \tl_to_str:n {#1} } - \regex_compile_raw:N + \__regex_compile_raw:N } } -\cs_generate_variant:Nn \regex_compile_abort_tokens:n { x } -\cs_new_protected:Npn \regex_compile_quantifier:w #1#2 +\cs_generate_variant:Nn \__regex_compile_abort_tokens:n { x } +\cs_new_protected:Npn \__regex_compile_quantifier:w #1#2 { - \token_if_eq_meaning:NNTF #1 \regex_compile_special:N + \token_if_eq_meaning:NNTF #1 \__regex_compile_special:N { - \cs_if_exist_use:cF { regex_compile_quantifier_#2:w } - { \regex_compile_quantifier_none: #1 #2 } + \cs_if_exist_use:cF { __regex_compile_quantifier_#2:w } + { \__regex_compile_quantifier_none: #1 #2 } } - { \regex_compile_quantifier_none: #1 #2 } + { \__regex_compile_quantifier_none: #1 #2 } } -\cs_new_protected:Npn \regex_compile_quantifier_none: - { \tl_build_one:n { \if_false: { \fi: } { 1 } { 0 } \c_false_bool } } -\cs_new_protected:Npn \regex_compile_quantifier_abort:xNN #1#2#3 +\cs_new_protected:Npn \__regex_compile_quantifier_none: + { \__tl_build_one:n { \if_false: { \fi: } { 1 } { 0 } \c_false_bool } } +\cs_new_protected:Npn \__regex_compile_quantifier_abort:xNN #1#2#3 { - \regex_compile_quantifier_none: - \msg_kernel_warning:nnxx { regex } { invalid-quantifier } {#1} {#3} - \regex_compile_abort_tokens:x {#1} + \__regex_compile_quantifier_none: + \__msg_kernel_warning:nnxx { regex } { invalid-quantifier } {#1} {#3} + \__regex_compile_abort_tokens:x {#1} #2 #3 } -\cs_new_protected:Npn \regex_compile_quantifier_lazyness:nnNN #1#2#3#4 +\cs_new_protected:Npn \__regex_compile_quantifier_lazyness:nnNN #1#2#3#4 { - \str_if_eq:nnTF { #3 #4 } { \regex_compile_special:N ? } - { \tl_build_one:n { \if_false: { \fi: } { #1 } { #2 } \c_true_bool } } + \str_if_eq:nnTF { #3 #4 } { \__regex_compile_special:N ? } + { \__tl_build_one:n { \if_false: { \fi: } { #1 } { #2 } \c_true_bool } } { - \tl_build_one:n { \if_false: { \fi: } { #1 } { #2 } \c_false_bool } + \__tl_build_one:n { \if_false: { \fi: } { #1 } { #2 } \c_false_bool } #3 #4 } } -\cs_new_protected_nopar:cpn { regex_compile_quantifier_?:w } - { \regex_compile_quantifier_lazyness:nnNN { 0 } { 1 } } -\cs_new_protected_nopar:cpn { regex_compile_quantifier_*:w } - { \regex_compile_quantifier_lazyness:nnNN { 0 } { -1 } } -\cs_new_protected_nopar:cpn { regex_compile_quantifier_+:w } - { \regex_compile_quantifier_lazyness:nnNN { 1 } { -1 } } -\cs_new_protected:cpn { regex_compile_quantifier_ \c_lbrace_str :w } +\cs_new_protected_nopar:cpn { __regex_compile_quantifier_?:w } + { \__regex_compile_quantifier_lazyness:nnNN { 0 } { 1 } } +\cs_new_protected_nopar:cpn { __regex_compile_quantifier_*:w } + { \__regex_compile_quantifier_lazyness:nnNN { 0 } { -1 } } +\cs_new_protected_nopar:cpn { __regex_compile_quantifier_+:w } + { \__regex_compile_quantifier_lazyness:nnNN { 1 } { -1 } } +\cs_new_protected:cpn { __regex_compile_quantifier_ \c_lbrace_str :w } { - \regex_get_digits:NTFw \l_regex_internal_a_int - { \regex_compile_quantifier_braced_i:w } - { \regex_compile_quantifier_abort:xNN { \c_lbrace_str } } + \__regex_get_digits:NTFw \l__regex_internal_a_int + { \__regex_compile_quantifier_braced_i:w } + { \__regex_compile_quantifier_abort:xNN { \c_lbrace_str } } } -\cs_new_protected:Npn \regex_compile_quantifier_braced_i:w #1#2 +\cs_new_protected:Npn \__regex_compile_quantifier_braced_i:w #1#2 { - \prg_case_str:xxn { #1 #2 } + \str_case_x:nnn { #1 #2 } { - { \regex_compile_special:N \c_rbrace_str } + { \__regex_compile_special:N \c_rbrace_str } { - \exp_args:No \regex_compile_quantifier_lazyness:nnNN - { \int_use:N \l_regex_internal_a_int } { 0 } + \exp_args:No \__regex_compile_quantifier_lazyness:nnNN + { \int_use:N \l__regex_internal_a_int } { 0 } } - { \regex_compile_special:N , } + { \__regex_compile_special:N , } { - \regex_get_digits:NTFw \l_regex_internal_b_int - { \regex_compile_quantifier_braced_iii:w } - { \regex_compile_quantifier_braced_ii:w } + \__regex_get_digits:NTFw \l__regex_internal_b_int + { \__regex_compile_quantifier_braced_iii:w } + { \__regex_compile_quantifier_braced_ii:w } } } { - \regex_compile_quantifier_abort:xNN - { \c_lbrace_str \int_use:N \l_regex_internal_a_int } + \__regex_compile_quantifier_abort:xNN + { \c_lbrace_str \int_use:N \l__regex_internal_a_int } #1 #2 } } -\cs_new_protected:Npn \regex_compile_quantifier_braced_ii:w #1#2 +\cs_new_protected:Npn \__regex_compile_quantifier_braced_ii:w #1#2 { - \str_if_eq:xxTF - { #1 #2 } { \regex_compile_special:N \c_rbrace_str } + \str_if_eq_x:nnTF + { #1 #2 } { \__regex_compile_special:N \c_rbrace_str } { - \exp_args:No \regex_compile_quantifier_lazyness:nnNN - { \int_use:N \l_regex_internal_a_int } { -1 } + \exp_args:No \__regex_compile_quantifier_lazyness:nnNN + { \int_use:N \l__regex_internal_a_int } { -1 } } { - \regex_compile_quantifier_abort:xNN - { \c_lbrace_str \int_use:N \l_regex_internal_a_int , } + \__regex_compile_quantifier_abort:xNN + { \c_lbrace_str \int_use:N \l__regex_internal_a_int , } #1 #2 } } -\cs_new_protected:Npn \regex_compile_quantifier_braced_iii:w #1#2 +\cs_new_protected:Npn \__regex_compile_quantifier_braced_iii:w #1#2 { - \str_if_eq:xxTF - { #1 #2 } { \regex_compile_special:N \c_rbrace_str } + \str_if_eq_x:nnTF + { #1 #2 } { \__regex_compile_special:N \c_rbrace_str } { - \if_num:w \l_regex_internal_a_int > \l_regex_internal_b_int - \msg_kernel_error:nnxx { regex } { backwards-quantifier } - { \int_use:N \l_regex_internal_a_int } - { \int_use:N \l_regex_internal_b_int } - \int_zero:N \l_regex_internal_b_int + \if_int_compare:w \l__regex_internal_a_int > \l__regex_internal_b_int + \__msg_kernel_error:nnxx { regex } { backwards-quantifier } + { \int_use:N \l__regex_internal_a_int } + { \int_use:N \l__regex_internal_b_int } + \int_zero:N \l__regex_internal_b_int \else: - \int_sub:Nn \l_regex_internal_b_int \l_regex_internal_a_int + \int_sub:Nn \l__regex_internal_b_int \l__regex_internal_a_int \fi: - \exp_args:Noo \regex_compile_quantifier_lazyness:nnNN - { \int_use:N \l_regex_internal_a_int } - { \int_use:N \l_regex_internal_b_int } + \exp_args:Noo \__regex_compile_quantifier_lazyness:nnNN + { \int_use:N \l__regex_internal_a_int } + { \int_use:N \l__regex_internal_b_int } } { - \regex_compile_quantifier_abort:xNN + \__regex_compile_quantifier_abort:xNN { \c_lbrace_str - \int_use:N \l_regex_internal_a_int , - \int_use:N \l_regex_internal_b_int + \int_use:N \l__regex_internal_a_int , + \int_use:N \l__regex_internal_b_int } #1 #2 } } -\cs_new_protected:Npn \regex_compile_raw_error:N #1 +\cs_new_protected:Npn \__regex_compile_raw_error:N #1 { - \msg_kernel_error:nnx { regex } { bad-escape } {#1} - \regex_compile_raw:N #1 + \__msg_kernel_error:nnx { regex } { bad-escape } {#1} + \__regex_compile_raw:N #1 } -\cs_new_protected:Npn \regex_compile_raw:N #1#2#3 +\cs_new_protected:Npn \__regex_compile_raw:N #1#2#3 { - \regex_if_in_class:TF + \__regex_if_in_class:TF { - \str_if_eq:nnTF {#2#3} { \regex_compile_special:N - } - { \regex_compile_range:Nw #1 } + \str_if_eq:nnTF {#2#3} { \__regex_compile_special:N - } + { \__regex_compile_range:Nw #1 } { - \regex_compile_one:x - { \regex_item_equal:n { \int_value:w `#1 ~ } } + \__regex_compile_one:x + { \__regex_item_equal:n { \__int_value:w `#1 ~ } } #2 #3 } } { - \regex_compile_one:x - { \regex_item_equal:n { \int_value:w `#1 ~ } } + \__regex_compile_one:x + { \__regex_item_equal:n { \__int_value:w `#1 ~ } } #2 #3 } } -\prg_new_protected_conditional:Npnn \regex_if_end_range:NN #1#2 { TF } +\prg_new_protected_conditional:Npnn \__regex_if_end_range:NN #1#2 { TF } { - \if_meaning:w \regex_compile_raw:N #1 + \if_meaning:w \__regex_compile_raw:N #1 \prg_return_true: \else: - \if_meaning:w \regex_compile_special:N #1 + \if_meaning:w \__regex_compile_special:N #1 \if_charcode:w ] #2 \prg_return_false: \else: @@ -806,1815 +806,1823 @@ \fi: \fi: } -\cs_new_protected:Npn \regex_compile_range:Nw #1#2#3 +\cs_new_protected:Npn \__regex_compile_range:Nw #1#2#3 { - \regex_if_end_range:NNTF #2 #3 + \__regex_if_end_range:NNTF #2 #3 { - \if_num:w `#1 > `#3 \exp_stop_f: - \msg_kernel_error:nnxx { regex } { range-backwards } {#1} {#3} + \if_int_compare:w `#1 > `#3 \exp_stop_f: + \__msg_kernel_error:nnxx { regex } { range-backwards } {#1} {#3} \else: - \tl_build_one:x + \__tl_build_one:x { - \if_num:w `#1 = `#3 \exp_stop_f: - \regex_item_equal:n + \if_int_compare:w `#1 = `#3 \exp_stop_f: + \__regex_item_equal:n \else: - \regex_item_range:nn { \int_value:w `#1 ~ } + \__regex_item_range:nn { \__int_value:w `#1 ~ } \fi: - { \int_value:w `#3 ~ } + { \__int_value:w `#3 ~ } } \fi: } { - \msg_kernel_warning:nnxx { regex } { range-missing-end } + \__msg_kernel_warning:nnxx { regex } { range-missing-end } {#1} { \c_backslash_str #3 } - \tl_build_one:x + \__tl_build_one:x { - \regex_item_equal:n { \int_value:w `#1 ~ } - \regex_item_equal:n { \int_value:w `- ~ } + \__regex_item_equal:n { \__int_value:w `#1 ~ } + \__regex_item_equal:n { \__int_value:w `- ~ } } #2#3 } } -\cs_new_protected_nopar:cpx { regex_compile_.: } +\cs_new_protected_nopar:cpx { __regex_compile_.: } { - \exp_not:N \regex_if_in_class:TF - { \regex_compile_raw:N . } - { \regex_compile_one:x \exp_not:c { regex_prop_.: } } + \exp_not:N \__regex_if_in_class:TF + { \__regex_compile_raw:N . } + { \__regex_compile_one:x \exp_not:c { __regex_prop_.: } } } -\cs_new_protected_nopar:cpn { regex_prop_.: } +\cs_new_protected_nopar:cpn { __regex_prop_.: } { - \if_num:w \l_regex_current_char_int > - \c_two - \exp_after:wN \regex_break_true:w + \if_int_compare:w \l__regex_current_char_int > - \c_two + \exp_after:wN \__regex_break_true:w \fi: } -\cs_set_protected:Npn \regex_tmp:w #1#2 +\cs_set_protected:Npn \__regex_tmp:w #1#2 { - \cs_new_protected_nopar:cpx { regex_compile_/#1: } - { \regex_compile_one:x \exp_not:c { regex_prop_#1: } } - \cs_new_protected_nopar:cpx { regex_compile_/#2: } + \cs_new_protected_nopar:cpx { __regex_compile_/#1: } + { \__regex_compile_one:x \exp_not:c { __regex_prop_#1: } } + \cs_new_protected_nopar:cpx { __regex_compile_/#2: } { - \regex_compile_one:x - { \regex_item_reverse:n \exp_not:c { regex_prop_#1: } } + \__regex_compile_one:x + { \__regex_item_reverse:n \exp_not:c { __regex_prop_#1: } } } } -\regex_tmp:w d D -\regex_tmp:w h H -\regex_tmp:w s S -\regex_tmp:w v V -\regex_tmp:w w W -\cs_new_protected_nopar:cpn { regex_compile_/N: } - { \regex_compile_one:x \regex_prop_N: } -\cs_new_protected:Npn \regex_compile_anchor:NF #1#2 +\__regex_tmp:w d D +\__regex_tmp:w h H +\__regex_tmp:w s S +\__regex_tmp:w v V +\__regex_tmp:w w W +\cs_new_protected_nopar:cpn { __regex_compile_/N: } + { \__regex_compile_one:x \__regex_prop_N: } +\cs_new_protected:Npn \__regex_compile_anchor:NF #1#2 { - \regex_if_in_class_or_catcode:TF {#2} + \__regex_if_in_class_or_catcode:TF {#2} { - \tl_build_one:n - { \regex_assertion:Nn \c_true_bool { \regex_anchor:N #1 } } + \__tl_build_one:n + { \__regex_assertion:Nn \c_true_bool { \__regex_anchor:N #1 } } } } -\cs_set_protected:Npn \regex_tmp:w #1#2 +\cs_set_protected:Npn \__regex_tmp:w #1#2 { - \cs_new_protected_nopar:cpn { regex_compile_/#1: } - { \regex_compile_anchor:NF #2 { \regex_compile_raw_error:N #1 } } + \cs_new_protected_nopar:cpn { __regex_compile_/#1: } + { \__regex_compile_anchor:NF #2 { \__regex_compile_raw_error:N #1 } } } -\regex_tmp:w A \l_regex_min_pos_int -\regex_tmp:w G \l_regex_start_pos_int -\regex_tmp:w Z \l_regex_max_pos_int -\regex_tmp:w z \l_regex_max_pos_int -\cs_set_protected:Npn \regex_tmp:w #1#2 +\__regex_tmp:w A \l__regex_min_pos_int +\__regex_tmp:w G \l__regex_start_pos_int +\__regex_tmp:w Z \l__regex_max_pos_int +\__regex_tmp:w z \l__regex_max_pos_int +\cs_set_protected:Npn \__regex_tmp:w #1#2 { - \cs_new_protected_nopar:cpn { regex_compile_#1: } - { \regex_compile_anchor:NF #2 { \regex_compile_raw:N #1 } } + \cs_new_protected_nopar:cpn { __regex_compile_#1: } + { \__regex_compile_anchor:NF #2 { \__regex_compile_raw:N #1 } } } -\exp_args:Nx \regex_tmp:w { \iow_char:N \^ } \l_regex_min_pos_int -\exp_args:Nx \regex_tmp:w { \iow_char:N \$ } \l_regex_max_pos_int -\cs_new_protected_nopar:cpn { regex_compile_/b: } +\exp_args:Nx \__regex_tmp:w { \iow_char:N \^ } \l__regex_min_pos_int +\exp_args:Nx \__regex_tmp:w { \iow_char:N \$ } \l__regex_max_pos_int +\cs_new_protected_nopar:cpn { __regex_compile_/b: } { - \regex_if_in_class_or_catcode:TF - { \regex_compile_raw_error:N b } + \__regex_if_in_class_or_catcode:TF + { \__regex_compile_raw_error:N b } { - \tl_build_one:n - { \regex_assertion:Nn \c_true_bool { \regex_b_test: } } + \__tl_build_one:n + { \__regex_assertion:Nn \c_true_bool { \__regex_b_test: } } } } -\cs_new_protected_nopar:cpn { regex_compile_/B: } +\cs_new_protected_nopar:cpn { __regex_compile_/B: } { - \regex_if_in_class_or_catcode:TF - { \regex_compile_raw_error:N B } + \__regex_if_in_class_or_catcode:TF + { \__regex_compile_raw_error:N B } { - \tl_build_one:n - { \regex_assertion:Nn \c_false_bool { \regex_b_test: } } + \__tl_build_one:n + { \__regex_assertion:Nn \c_false_bool { \__regex_b_test: } } } } -\cs_new_protected:cpn { regex_compile_]: } +\cs_new_protected:cpn { __regex_compile_]: } { - \regex_if_in_class:TF + \__regex_if_in_class:TF { - \if_num:w \l_regex_mode_int > \c_sixteen - \tl_build_one:n { \if_false: { \fi: } } + \if_int_compare:w \l__regex_mode_int > \c_sixteen + \__tl_build_one:n { \if_false: { \fi: } } \fi: - \tex_advance:D \l_regex_mode_int - \c_fifteen - \tex_divide:D \l_regex_mode_int \c_thirteen - \if_int_odd:w \l_regex_mode_int \else: - \exp_after:wN \regex_compile_quantifier:w + \tex_advance:D \l__regex_mode_int - \c_fifteen + \tex_divide:D \l__regex_mode_int \c_thirteen + \if_int_odd:w \l__regex_mode_int \else: + \exp_after:wN \__regex_compile_quantifier:w \fi: } - { \regex_compile_raw:N ] } + { \__regex_compile_raw:N ] } } -\cs_new_protected_nopar:cpn { regex_compile_[: } +\cs_new_protected_nopar:cpn { __regex_compile_[: } { - \regex_if_in_class:TF - { \regex_compile_class_posix_test:w } + \__regex_if_in_class:TF + { \__regex_compile_class_posix_test:w } { - \regex_if_within_catcode:TF + \__regex_if_within_catcode:TF { - \exp_after:wN \regex_compile_class_catcode:w - \int_use:N \l_regex_catcodes_int ; + \exp_after:wN \__regex_compile_class_catcode:w + \int_use:N \l__regex_catcodes_int ; } - { \regex_compile_class_normal:w } + { \__regex_compile_class_normal:w } } } -\cs_new_protected_nopar:Npn \regex_compile_class_normal:w +\cs_new_protected_nopar:Npn \__regex_compile_class_normal:w { - \regex_compile_class:TFNN - { \regex_class:NnnnN \c_true_bool } - { \regex_class:NnnnN \c_false_bool } + \__regex_compile_class:TFNN + { \__regex_class:NnnnN \c_true_bool } + { \__regex_class:NnnnN \c_false_bool } } -\cs_new_protected:Npn \regex_compile_class_catcode:w #1; +\cs_new_protected:Npn \__regex_compile_class_catcode:w #1; { - \if_int_compare:w \l_regex_mode_int = \c_two - \tl_build_one:n - { \regex_class:NnnnN \c_true_bool { \if_false: } \fi: } + \if_int_compare:w \l__regex_mode_int = \c_two + \__tl_build_one:n + { \__regex_class:NnnnN \c_true_bool { \if_false: } \fi: } \fi: - \int_set_eq:NN \l_regex_catcodes_int \l_regex_default_catcodes_int - \regex_compile_class:TFNN - { \regex_item_catcode:nT {#1} } - { \regex_item_catcode_reverse:nT {#1} } + \int_set_eq:NN \l__regex_catcodes_int \l__regex_default_catcodes_int + \__regex_compile_class:TFNN + { \__regex_item_catcode:nT {#1} } + { \__regex_item_catcode_reverse:nT {#1} } } -\cs_new_protected:Npn \regex_compile_class:TFNN #1#2#3#4 +\cs_new_protected:Npn \__regex_compile_class:TFNN #1#2#3#4 { - \l_regex_mode_int = \int_value:w \l_regex_mode_int 3 \exp_stop_f: - \str_if_eq:nnTF { #3 #4 } { \regex_compile_special:N ^ } + \l__regex_mode_int = \__int_value:w \l__regex_mode_int 3 \exp_stop_f: + \str_if_eq:nnTF { #3 #4 } { \__regex_compile_special:N ^ } { - \tl_build_one:n { #2 { \if_false: } \fi: } - \regex_compile_class_ii:NN + \__tl_build_one:n { #2 { \if_false: } \fi: } + \__regex_compile_class_ii:NN } { - \tl_build_one:n { #1 { \if_false: } \fi: } - \regex_compile_class_ii:NN #3 #4 + \__tl_build_one:n { #1 { \if_false: } \fi: } + \__regex_compile_class_ii:NN #3 #4 } } -\cs_new_protected:Npn \regex_compile_class_ii:NN #1#2 +\cs_new_protected:Npn \__regex_compile_class_ii:NN #1#2 { \token_if_eq_charcode:NNTF #2 ] - { \regex_compile_raw:N #2 } + { \__regex_compile_raw:N #2 } { #1 #2 } } -\cs_new_protected:Npn \regex_compile_class_posix_test:w #1#2 +\cs_new_protected:Npn \__regex_compile_class_posix_test:w #1#2 { - \token_if_eq_meaning:NNT \regex_compile_special:N #1 + \token_if_eq_meaning:NNT \__regex_compile_special:N #1 { - \prg_case_str:nnn { #2 } + \str_case:nnn { #2 } { - : { \regex_compile_class_posix:NNNNw } - = { \msg_kernel_warning:nnx { regex } { posix-unsupported } { = } } - . { \msg_kernel_warning:nnx { regex } { posix-unsupported } { . } } + : { \__regex_compile_class_posix:NNNNw } + = { \__msg_kernel_warning:nnx { regex } { posix-unsupported } { = } } + . { \__msg_kernel_warning:nnx { regex } { posix-unsupported } { . } } } { } } - \regex_compile_raw:N [ #1 #2 + \__regex_compile_raw:N [ #1 #2 } -\cs_new_protected:Npn \regex_compile_class_posix:NNNNw #1#2#3#4#5#6 +\cs_new_protected:Npn \__regex_compile_class_posix:NNNNw #1#2#3#4#5#6 { - \str_if_eq:nnTF { #5 #6 } { \regex_compile_special:N ^ } + \str_if_eq:nnTF { #5 #6 } { \__regex_compile_special:N ^ } { - \bool_set_false:N \l_regex_internal_bool - \tl_set:Nx \l_regex_internal_a_tl { \if_false: } \fi: - \regex_compile_class_posix_loop:w + \bool_set_false:N \l__regex_internal_bool + \tl_set:Nx \l__regex_internal_a_tl { \if_false: } \fi: + \__regex_compile_class_posix_loop:w } { - \bool_set_true:N \l_regex_internal_bool - \tl_set:Nx \l_regex_internal_a_tl { \if_false: } \fi: - \regex_compile_class_posix_loop:w #5 #6 + \bool_set_true:N \l__regex_internal_bool + \tl_set:Nx \l__regex_internal_a_tl { \if_false: } \fi: + \__regex_compile_class_posix_loop:w #5 #6 } } -\cs_new:Npn \regex_compile_class_posix_loop:w #1#2 +\cs_new:Npn \__regex_compile_class_posix_loop:w #1#2 { - \token_if_eq_meaning:NNTF \regex_compile_raw:N #1 - { #2 \regex_compile_class_posix_loop:w } - { \if_false: { \fi: } \regex_compile_class_posix_end:w #1 #2 } + \token_if_eq_meaning:NNTF \__regex_compile_raw:N #1 + { #2 \__regex_compile_class_posix_loop:w } + { \if_false: { \fi: } \__regex_compile_class_posix_end:w #1 #2 } } -\cs_new_protected:Npn \regex_compile_class_posix_end:w #1#2#3#4 +\cs_new_protected:Npn \__regex_compile_class_posix_end:w #1#2#3#4 { \str_if_eq:nnTF { #1 #2 #3 #4 } - { \regex_compile_special:N : \regex_compile_special:N ] } + { \__regex_compile_special:N : \__regex_compile_special:N ] } { - \cs_if_exist:cTF { regex_posix_ \l_regex_internal_a_tl : } + \cs_if_exist:cTF { __regex_posix_ \l__regex_internal_a_tl : } { - \regex_compile_one:x + \__regex_compile_one:x { - \bool_if:NF \l_regex_internal_bool \regex_item_reverse:n - \exp_not:c { regex_posix_ \l_regex_internal_a_tl : } + \bool_if:NF \l__regex_internal_bool \__regex_item_reverse:n + \exp_not:c { __regex_posix_ \l__regex_internal_a_tl : } } } { - \msg_kernel_warning:nnx { regex } { posix-unknown } - { \l_regex_internal_a_tl } - \regex_compile_abort_tokens:x + \__msg_kernel_warning:nnx { regex } { posix-unknown } + { \l__regex_internal_a_tl } + \__regex_compile_abort_tokens:x { - [: \bool_if:NF \l_regex_internal_bool { ^ } - \l_regex_internal_a_tl :] + [: \bool_if:NF \l__regex_internal_bool { ^ } + \l__regex_internal_a_tl :] } } } { - \msg_kernel_error:nnxx { regex } { posix-missing-close } - { [: \l_regex_internal_a_tl } { #2 #4 } - \regex_compile_abort_tokens:x { [: \l_regex_internal_a_tl } + \__msg_kernel_error:nnxx { regex } { posix-missing-close } + { [: \l__regex_internal_a_tl } { #2 #4 } + \__regex_compile_abort_tokens:x { [: \l__regex_internal_a_tl } #1 #2 #3 #4 } } -\cs_new_protected:Npn \regex_compile_group_begin:N #1 +\cs_new_protected:Npn \__regex_compile_group_begin:N #1 { - \tl_build_one:n { #1 { \if_false: } \fi: } - \regex_mode_quit_c: - \tl_set_build:Nw \l_regex_internal_regex - \int_set_eq:NN \l_regex_default_catcodes_int \l_regex_catcodes_int - \int_incr:N \l_regex_group_level_int - \tl_build_one:n { \regex_branch:n { \if_false: } \fi: } + \__tl_build_one:n { #1 { \if_false: } \fi: } + \__regex_mode_quit_c: + \__tl_build:Nw \l__regex_internal_regex + \int_set_eq:NN \l__regex_default_catcodes_int \l__regex_catcodes_int + \int_incr:N \l__regex_group_level_int + \__tl_build_one:n { \__regex_branch:n { \if_false: } \fi: } } -\cs_new_protected:Npn \regex_compile_group_end: +\cs_new_protected:Npn \__regex_compile_group_end: { - \if_num:w \l_regex_group_level_int > \c_zero - \tl_build_one:n { \if_false: { \fi: } } - \tl_build_end: - \int_set_eq:NN \l_regex_catcodes_int \l_regex_default_catcodes_int - \tl_build_one:o \l_regex_internal_regex - \exp_after:wN \regex_compile_quantifier:w + \if_int_compare:w \l__regex_group_level_int > \c_zero + \__tl_build_one:n { \if_false: { \fi: } } + \__tl_build_end: + \int_set_eq:NN \l__regex_catcodes_int \l__regex_default_catcodes_int + \__tl_build_one:o \l__regex_internal_regex + \exp_after:wN \__regex_compile_quantifier:w \else: - \msg_kernel_warning:nn { regex } { extra-rparen } - \exp_after:wN \regex_compile_raw:N \exp_after:wN ) + \__msg_kernel_warning:nn { regex } { extra-rparen } + \exp_after:wN \__regex_compile_raw:N \exp_after:wN ) \fi: } -\cs_new_protected_nopar:cpn { regex_compile_(: } +\cs_new_protected_nopar:cpn { __regex_compile_(: } { - \regex_if_in_class:TF { \regex_compile_raw:N ( } - { \regex_compile_lparen:w } + \__regex_if_in_class:TF { \__regex_compile_raw:N ( } + { \__regex_compile_lparen:w } } -\cs_new_protected:Npn \regex_compile_lparen:w #1#2#3#4 +\cs_new_protected:Npn \__regex_compile_lparen:w #1#2#3#4 { - \str_if_eq:nnTF { #1 #2 } { \regex_compile_special:N ? } + \str_if_eq:nnTF { #1 #2 } { \__regex_compile_special:N ? } { \cs_if_exist_use:cF - { regex_compile_special_group_\token_to_str:N #4 :w } + { __regex_compile_special_group_\token_to_str:N #4 :w } { - \msg_kernel_warning:nnx { regex } { special-group-unknown } + \__msg_kernel_warning:nnx { regex } { special-group-unknown } { (? \token_to_str:N #4 } - \regex_compile_group_begin:N \regex_group:nnnN - \regex_compile_raw:N ? #3 #4 + \__regex_compile_group_begin:N \__regex_group:nnnN + \__regex_compile_raw:N ? #3 #4 } } { - \regex_compile_group_begin:N \regex_group:nnnN + \__regex_compile_group_begin:N \__regex_group:nnnN #1 #2 #3 #4 } } -\cs_new_protected_nopar:cpn { regex_compile_|: } +\cs_new_protected_nopar:cpn { __regex_compile_|: } { - \regex_if_in_class:TF { \regex_compile_raw:N | } + \__regex_if_in_class:TF { \__regex_compile_raw:N | } { - \tl_build_one:n - { \if_false: { \fi: } \regex_branch:n { \if_false: } \fi: } + \__tl_build_one:n + { \if_false: { \fi: } \__regex_branch:n { \if_false: } \fi: } } } -\cs_new_protected_nopar:cpn { regex_compile_): } +\cs_new_protected_nopar:cpn { __regex_compile_): } { - \regex_if_in_class:TF { \regex_compile_raw:N ) } - { \regex_compile_group_end: } + \__regex_if_in_class:TF { \__regex_compile_raw:N ) } + { \__regex_compile_group_end: } } -\cs_new_protected_nopar:cpn { regex_compile_special_group_::w } - { \regex_compile_group_begin:N \regex_group_no_capture:nnnN } -\cs_new_protected_nopar:cpn { regex_compile_special_group_|:w } - { \regex_compile_group_begin:N \regex_group_resetting:nnnN } -\cs_new_protected:Npn \regex_compile_special_group_i:w #1#2 +\cs_new_protected_nopar:cpn { __regex_compile_special_group_::w } + { \__regex_compile_group_begin:N \__regex_group_no_capture:nnnN } +\cs_new_protected_nopar:cpn { __regex_compile_special_group_|:w } + { \__regex_compile_group_begin:N \__regex_group_resetting:nnnN } +\cs_new_protected:Npn \__regex_compile_special_group_i:w #1#2 { - \str_if_eq:nnTF { #1 #2 } { \regex_compile_special:N ) } + \str_if_eq:nnTF { #1 #2 } { \__regex_compile_special:N ) } { - \cs_set_nopar:Npn \regex_item_equal:n { \regex_item_caseless_equal:n } - \cs_set_nopar:Npn \regex_item_range:nn { \regex_item_caseless_range:nn } + \cs_set_nopar:Npn \__regex_item_equal:n { \__regex_item_caseless_equal:n } + \cs_set_nopar:Npn \__regex_item_range:nn { \__regex_item_caseless_range:nn } } { - \msg_kernel_warning:nnx { regex } { unknown-option } { (?i #2 } - \regex_compile_raw:N ( - \regex_compile_raw:N ? - \regex_compile_raw:N i + \__msg_kernel_warning:nnx { regex } { unknown-option } { (?i #2 } + \__regex_compile_raw:N ( + \__regex_compile_raw:N ? + \__regex_compile_raw:N i #1 #2 } } -\cs_new_protected_nopar:cpn { regex_compile_special_group_-:w } #1#2#3#4 +\cs_new_protected_nopar:cpn { __regex_compile_special_group_-:w } #1#2#3#4 { \str_if_eq:nnTF { #1 #2 #3 #4 } - { \regex_compile_raw:N i \regex_compile_special:N ) } + { \__regex_compile_raw:N i \__regex_compile_special:N ) } { - \cs_set_nopar:Npn \regex_item_equal:n { \regex_item_caseful_equal:n } - \cs_set_nopar:Npn \regex_item_range:nn { \regex_item_caseful_range:nn } + \cs_set_nopar:Npn \__regex_item_equal:n { \__regex_item_caseful_equal:n } + \cs_set_nopar:Npn \__regex_item_range:nn { \__regex_item_caseful_range:nn } } { - \msg_kernel_warning:nnx { regex } { unknown-option } { (?-#2#4 } - \regex_compile_raw:N ( - \regex_compile_raw:N ? - \regex_compile_raw:N - + \__msg_kernel_warning:nnx { regex } { unknown-option } { (?-#2#4 } + \__regex_compile_raw:N ( + \__regex_compile_raw:N ? + \__regex_compile_raw:N - #1 #2 #3 #4 } } -\cs_new_protected:cpn { regex_compile_/c: } - { \regex_chk_c_allowed:T { \regex_compile_c_test:NN } } -\cs_new_protected:Npn \regex_compile_c_test:NN #1#2 +\cs_new_protected:cpn { __regex_compile_/c: } + { \__regex_chk_c_allowed:T { \__regex_compile_c_test:NN } } +\cs_new_protected:Npn \__regex_compile_c_test:NN #1#2 { - \token_if_eq_meaning:NNTF #1 \regex_compile_raw:N + \token_if_eq_meaning:NNTF #1 \__regex_compile_raw:N { - \int_if_exist:cTF { c_regex_catcode_#2_int } + \int_if_exist:cTF { c__regex_catcode_#2_int } { - \int_set_eq:Nc \l_regex_catcodes_int { c_regex_catcode_#2_int } - \l_regex_mode_int - = \if_case:w \l_regex_mode_int \c_two \else: \c_six \fi: + \int_set_eq:Nc \l__regex_catcodes_int { c__regex_catcode_#2_int } + \l__regex_mode_int + = \if_case:w \l__regex_mode_int \c_two \else: \c_six \fi: } } - { \cs_if_exist_use:cF { regex_compile_c_#2:w } } + { \cs_if_exist_use:cF { __regex_compile_c_#2:w } } { - \msg_kernel_error:nnx { regex } { c-missing-category } {#2} + \__msg_kernel_error:nnx { regex } { c-missing-category } {#2} #1 #2 } } -\cs_new_protected:cpn { regex_compile_c_[:w } #1#2 +\cs_new_protected:cpn { __regex_compile_c_[:w } #1#2 { - \l_regex_mode_int - = \if_case:w \l_regex_mode_int \c_two \else: \c_six \fi: - \int_zero:N \l_regex_catcodes_int - \str_if_eq:nnTF { #1 #2 } { \regex_compile_special:N ^ } + \l__regex_mode_int + = \if_case:w \l__regex_mode_int \c_two \else: \c_six \fi: + \int_zero:N \l__regex_catcodes_int + \str_if_eq:nnTF { #1 #2 } { \__regex_compile_special:N ^ } { - \bool_set_false:N \l_regex_catcodes_bool - \regex_compile_c_lbrack_loop:NN + \bool_set_false:N \l__regex_catcodes_bool + \__regex_compile_c_lbrack_loop:NN } { - \bool_set_true:N \l_regex_catcodes_bool - \regex_compile_c_lbrack_loop:NN + \bool_set_true:N \l__regex_catcodes_bool + \__regex_compile_c_lbrack_loop:NN #1 #2 } } -\cs_new_protected:Npn \regex_compile_c_lbrack_loop:NN #1#2 +\cs_new_protected:Npn \__regex_compile_c_lbrack_loop:NN #1#2 { - \token_if_eq_meaning:NNTF #1 \regex_compile_raw:N + \token_if_eq_meaning:NNTF #1 \__regex_compile_raw:N { - \int_if_exist:cTF { c_regex_catcode_#2_int } + \int_if_exist:cTF { c__regex_catcode_#2_int } { - \exp_args:Nc \regex_compile_c_lbrack_add:N - { c_regex_catcode_#2_int } - \regex_compile_c_lbrack_loop:NN + \exp_args:Nc \__regex_compile_c_lbrack_add:N + { c__regex_catcode_#2_int } + \__regex_compile_c_lbrack_loop:NN } } { \token_if_eq_charcode:NNTF #2 ] - { \regex_compile_c_lbrack_end: } + { \__regex_compile_c_lbrack_end: } } { - \msg_kernel_error:nnx { regex } { c-missing-rbrack } {#2} - \regex_compile_c_lbrack_end: + \__msg_kernel_error:nnx { regex } { c-missing-rbrack } {#2} + \__regex_compile_c_lbrack_end: #1 #2 } } -\cs_new_protected:Npn \regex_compile_c_lbrack_add:N #1 +\cs_new_protected:Npn \__regex_compile_c_lbrack_add:N #1 { - \if_int_odd:w \int_eval:w \l_regex_catcodes_int / #1 \int_eval_end: + \if_int_odd:w \__int_eval:w \l__regex_catcodes_int / #1 \__int_eval_end: \else: - \tex_advance:D \l_regex_catcodes_int #1 + \tex_advance:D \l__regex_catcodes_int #1 \fi: } -\cs_new_protected_nopar:Npn \regex_compile_c_lbrack_end: +\cs_new_protected_nopar:Npn \__regex_compile_c_lbrack_end: { - \if_meaning:w \c_false_bool \l_regex_catcodes_bool - \int_set:Nn \l_regex_catcodes_int - { \c_regex_all_catcodes_int - \l_regex_catcodes_int } + \if_meaning:w \c_false_bool \l__regex_catcodes_bool + \int_set:Nn \l__regex_catcodes_int + { \c__regex_all_catcodes_int - \l__regex_catcodes_int } \fi: } -\cs_new_protected_nopar:cpn { regex_compile_c_ \c_lbrace_str :w } +\cs_new_protected_nopar:cpn { __regex_compile_c_ \c_lbrace_str :w } { - \regex_compile:w - \regex_disable_submatches: - \l_regex_mode_int - = - \if_case:w \l_regex_mode_int \c_two \else: \c_six \fi: + \__regex_compile:w + \__regex_disable_submatches: + \l__regex_mode_int + = - \if_case:w \l__regex_mode_int \c_two \else: \c_six \fi: } -\cs_new_protected:cpn { regex_compile_ \c_rbrace_str : } +\cs_new_protected:cpn { __regex_compile_ \c_rbrace_str : } { - \regex_if_in_cs:TF + \__regex_if_in_cs:TF { - \regex_compile_end: - \regex_compile_one:x - { \regex_item_cs:n { \exp_not:o \l_regex_internal_regex } } + \__regex_compile_end: + \__regex_compile_one:x + { \__regex_item_cs:n { \exp_not:o \l__regex_internal_regex } } } - { \exp_after:wN \regex_compile_raw:N \c_rbrace_str } + { \exp_after:wN \__regex_compile_raw:N \c_rbrace_str } } -\cs_new_protected:cpn { regex_compile_/u: } #1#2 +\cs_new_protected:cpn { __regex_compile_/u: } #1#2 { - \regex_if_in_class_or_catcode:TF - { \regex_compile_raw_error:N u #1 #2 } + \__regex_if_in_class_or_catcode:TF + { \__regex_compile_raw_error:N u #1 #2 } { - \str_if_eq:xxTF {#1#2} { \regex_compile_special:N \c_lbrace_str } + \str_if_eq_x:nnTF {#1#2} { \__regex_compile_special:N \c_lbrace_str } { - \tl_set:Nx \l_regex_internal_a_tl { \if_false: } \fi: - \regex_compile_u_loop:NN + \tl_set:Nx \l__regex_internal_a_tl { \if_false: } \fi: + \__regex_compile_u_loop:NN } { - \msg_kernel_error:nn { regex } { u-missing-lbrace } - \regex_compile_raw:N u #1 #2 + \__msg_kernel_error:nn { regex } { u-missing-lbrace } + \__regex_compile_raw:N u #1 #2 } } } -\cs_new:Npn \regex_compile_u_loop:NN #1#2 +\cs_new:Npn \__regex_compile_u_loop:NN #1#2 { - \token_if_eq_meaning:NNTF #1 \regex_compile_raw:N - { #2 \regex_compile_u_loop:NN } + \token_if_eq_meaning:NNTF #1 \__regex_compile_raw:N + { #2 \__regex_compile_u_loop:NN } { - \token_if_eq_meaning:NNTF #1 \regex_compile_special:N + \token_if_eq_meaning:NNTF #1 \__regex_compile_special:N { \exp_after:wN \token_if_eq_charcode:NNTF \c_rbrace_str #2 - { \if_false: { \fi: } \regex_compile_u_end: } - { #2 \regex_compile_u_loop:NN } + { \if_false: { \fi: } \__regex_compile_u_end: } + { #2 \__regex_compile_u_loop:NN } } { \if_false: { \fi: } - \msg_kernel_error:nnx { regex } { u-missing-rbrace } {#2} - \regex_compile_u_end: + \__msg_kernel_error:nnx { regex } { u-missing-rbrace } {#2} + \__regex_compile_u_end: #1 #2 } } } -\cs_new_protected:Npn \regex_compile_u_end: +\cs_new_protected:Npn \__regex_compile_u_end: { - \tl_set:Nv \l_regex_internal_a_tl { \l_regex_internal_a_tl } - \if_num:w \l_regex_mode_int = \c_zero - \regex_compile_u_not_cs: + \tl_set:Nv \l__regex_internal_a_tl { \l__regex_internal_a_tl } + \if_int_compare:w \l__regex_mode_int = \c_zero + \__regex_compile_u_not_cs: \else: - \regex_compile_u_in_cs: + \__regex_compile_u_in_cs: \fi: } -\cs_new_protected:Npn \regex_compile_u_in_cs: +\cs_new_protected:Npn \__regex_compile_u_in_cs: { - \exp_args:NNo \str_gset_other:Nn \g_regex_internal_tl - { \l_regex_internal_a_tl } - \tl_build_one:x + \exp_args:NNo \__str_gset_other:Nn \g__regex_internal_tl + { \l__regex_internal_a_tl } + \__tl_build_one:x { - \tl_map_function:NN \g_regex_internal_tl - \regex_compile_u_in_cs_aux:n + \tl_map_function:NN \g__regex_internal_tl + \__regex_compile_u_in_cs_aux:n } } -\cs_new:Npn \regex_compile_u_in_cs_aux:n #1 +\cs_new:Npn \__regex_compile_u_in_cs_aux:n #1 { - \regex_class:NnnnN \c_true_bool - { \regex_item_caseful_equal:n { \int_value:w `#1 } } + \__regex_class:NnnnN \c_true_bool + { \__regex_item_caseful_equal:n { \__int_value:w `#1 } } { 1 } { 0 } \c_false_bool } -\cs_new_protected:Npn \regex_compile_u_not_cs: +\cs_new_protected:Npn \__regex_compile_u_not_cs: { - \exp_args:No \tl_analysis_map_inline:nn { \l_regex_internal_a_tl } + \exp_args:No \__tl_analysis_map_inline:nn { \l__regex_internal_a_tl } { - \tl_build_one:n + \__tl_build_one:n { - \regex_class:NnnnN \c_true_bool + \__regex_class:NnnnN \c_true_bool { - \if_num:w "##2 = \c_zero - \regex_item_exact_cs:c { \exp_after:wN \cs_to_str:N ##1 } + \if_int_compare:w "##2 = \c_zero + \__regex_item_exact_cs:c { \exp_after:wN \cs_to_str:N ##1 } \else: - \regex_item_exact:nn { \int_value:w "##2 } { ##3 } + \__regex_item_exact:nn { \__int_value:w "##2 } { ##3 } \fi: } { 1 } { 0 } \c_false_bool } } } -\cs_new_protected_nopar:cpn { regex_compile_/K: } +\cs_new_protected_nopar:cpn { __regex_compile_/K: } { - \int_compare:nNnTF \l_regex_mode_int = \c_zero - { \tl_build_one:n { \regex_command_K: } } - { \regex_compile_raw_error:N K } + \int_compare:nNnTF \l__regex_mode_int = \c_zero + { \__tl_build_one:n { \__regex_command_K: } } + { \__regex_compile_raw_error:N K } } -\cs_new_protected:Npn \regex_show_aux:Nx #1#2 +\cs_new_protected:Npn \__regex_show:Nx #1#2 { - \tl_set_build:Nw \l_regex_internal_a_tl - \cs_set_protected_nopar:Npn \regex_branch:n + \__tl_build:Nw \l__regex_internal_a_tl + \cs_set_protected_nopar:Npn \__regex_branch:n { - \seq_pop_right:NN \l_regex_show_prefix_seq \l_regex_internal_a_tl - \regex_show_one:n { +-branch } - \seq_put_right:No \l_regex_show_prefix_seq \l_regex_internal_a_tl + \seq_pop_right:NN \l__regex_show_prefix_seq \l__regex_internal_a_tl + \__regex_show_one:n { +-branch } + \seq_put_right:No \l__regex_show_prefix_seq \l__regex_internal_a_tl \use:n } - \cs_set_protected_nopar:Npn \regex_group:nnnN - { \regex_show_group_aux:nnnnN { } } - \cs_set_protected_nopar:Npn \regex_group_no_capture:nnnN - { \regex_show_group_aux:nnnnN { ~(no~capture) } } - \cs_set_protected_nopar:Npn \regex_group_resetting:nnnN - { \regex_show_group_aux:nnnnN { ~(resetting) } } - \cs_set_eq:NN \regex_class:NnnnN \regex_show_class:NnnnN - \cs_set_protected_nopar:Npn \regex_command_K: - { \regex_show_one:n { reset~match~start~(\iow_char:N\\K) } } - \cs_set_protected:Npn \regex_assertion:Nn ##1##2 - { \regex_show_one:n { \bool_if:NF ##1 { negative~ } assertion:~##2 } } - \cs_set_nopar:Npn \regex_b_test: { word~boundary } - \cs_set_eq:NN \regex_anchor:N \regex_show_anchor_to_str:N - \cs_set_protected:Npn \regex_item_caseful_equal:n ##1 - { \regex_show_one:n { char~code~\int_eval:n{##1} } } - \cs_set_protected:Npn \regex_item_caseful_range:nn ##1##2 - { \regex_show_one:n { range~[\int_eval:n{##1}, \int_eval:n{##2}] } } - \cs_set_protected:Npn \regex_item_caseless_equal:n ##1 - { \regex_show_one:n { char~code~\int_eval:n{##1}~(caseless) } } - \cs_set_protected:Npn \regex_item_caseless_range:nn ##1##2 + \cs_set_protected_nopar:Npn \__regex_group:nnnN + { \__regex_show_group_aux:nnnnN { } } + \cs_set_protected_nopar:Npn \__regex_group_no_capture:nnnN + { \__regex_show_group_aux:nnnnN { ~(no~capture) } } + \cs_set_protected_nopar:Npn \__regex_group_resetting:nnnN + { \__regex_show_group_aux:nnnnN { ~(resetting) } } + \cs_set_eq:NN \__regex_class:NnnnN \__regex_show_class:NnnnN + \cs_set_protected_nopar:Npn \__regex_command_K: + { \__regex_show_one:n { reset~match~start~(\iow_char:N\\K) } } + \cs_set_protected:Npn \__regex_assertion:Nn ##1##2 + { \__regex_show_one:n { \bool_if:NF ##1 { negative~ } assertion:~##2 } } + \cs_set_nopar:Npn \__regex_b_test: { word~boundary } + \cs_set_eq:NN \__regex_anchor:N \__regex_show_anchor_to_str:N + \cs_set_protected:Npn \__regex_item_caseful_equal:n ##1 + { \__regex_show_one:n { char~code~\int_eval:n{##1} } } + \cs_set_protected:Npn \__regex_item_caseful_range:nn ##1##2 + { \__regex_show_one:n { range~[\int_eval:n{##1}, \int_eval:n{##2}] } } + \cs_set_protected:Npn \__regex_item_caseless_equal:n ##1 + { \__regex_show_one:n { char~code~\int_eval:n{##1}~(caseless) } } + \cs_set_protected:Npn \__regex_item_caseless_range:nn ##1##2 { - \regex_show_one:n + \__regex_show_one:n { Range~[\int_eval:n{##1}, \int_eval:n{##2}]~(caseless) } } - \cs_set_protected:Npn \regex_item_catcode:nT - { \regex_show_item_catcode:NnT \c_true_bool } - \cs_set_protected:Npn \regex_item_catcode_reverse:nT - { \regex_show_item_catcode:NnT \c_false_bool } - \cs_set_protected:Npn \regex_item_reverse:n - { \regex_show_scope:nn { Reversed~match } } - \cs_set_protected:Npn \regex_item_exact:nn ##1##2 - { \regex_show_one:n { char~##2,~catcode~##1 } } - \cs_set_protected:Npn \regex_item_exact_cs:c ##1 - { \regex_show_one:n { control~sequence~\iow_char:N\\##1 } } - \cs_set_protected:Npn \regex_item_cs:n - { \regex_show_scope:nn { control~sequence } } - \cs_set:cpn { regex_prop_.: } { \regex_show_one:n { any~token } } - \seq_clear:N \l_regex_show_prefix_seq - \regex_show_push:n { ~ } + \cs_set_protected:Npn \__regex_item_catcode:nT + { \__regex_show_item_catcode:NnT \c_true_bool } + \cs_set_protected:Npn \__regex_item_catcode_reverse:nT + { \__regex_show_item_catcode:NnT \c_false_bool } + \cs_set_protected:Npn \__regex_item_reverse:n + { \__regex_show_scope:nn { Reversed~match } } + \cs_set_protected:Npn \__regex_item_exact:nn ##1##2 + { \__regex_show_one:n { char~##2,~catcode~##1 } } + \cs_set_protected:Npn \__regex_item_exact_cs:c ##1 + { \__regex_show_one:n { control~sequence~\iow_char:N\\##1 } } + \cs_set_protected:Npn \__regex_item_cs:n + { \__regex_show_scope:nn { control~sequence } } + \cs_set:cpn { __regex_prop_.: } { \__regex_show_one:n { any~token } } + \seq_clear:N \l__regex_show_prefix_seq + \__regex_show_push:n { ~ } #1 - \tl_build_end: - \msg_aux_show:x { > Compiled~regex~#2: \l_regex_internal_a_tl } + \__tl_build_end: + \__msg_show_variable:x { > Compiled~regex~#2: \l__regex_internal_a_tl } } -\cs_new_protected:Npn \regex_show_one:n #1 +\cs_new_protected:Npn \__regex_show_one:n #1 { - \int_incr:N \l_regex_show_lines_int - \tl_build_one:x - { \iow_newline: \seq_use:N \l_regex_show_prefix_seq #1 } + \int_incr:N \l__regex_show_lines_int + \__tl_build_one:x + { + \iow_newline: + \seq_map_function:NN \l__regex_show_prefix_seq \use:n + #1 + } } -\cs_new_protected:Npn \regex_show_push:n #1 - { \seq_put_right:Nx \l_regex_show_prefix_seq { #1 ~ } } -\cs_new_protected:Npn \regex_show_pop: - { \seq_pop_right:NN \l_regex_show_prefix_seq \l_regex_internal_a_tl } -\cs_new_protected:Npn \regex_show_scope:nn #1#2 +\cs_new_protected:Npn \__regex_show_push:n #1 + { \seq_put_right:Nx \l__regex_show_prefix_seq { #1 ~ } } +\cs_new_protected:Npn \__regex_show_pop: + { \seq_pop_right:NN \l__regex_show_prefix_seq \l__regex_internal_a_tl } +\cs_new_protected:Npn \__regex_show_scope:nn #1#2 { - \regex_show_one:n {#1} - \regex_show_push:n { ~ } + \__regex_show_one:n {#1} + \__regex_show_push:n { ~ } #2 - \regex_show_pop: + \__regex_show_pop: } -\cs_new_protected:Npn \regex_show_group_aux:nnnnN #1#2#3#4#5 +\cs_new_protected:Npn \__regex_show_group_aux:nnnnN #1#2#3#4#5 { - \regex_show_one:n { ,-group~begin #1 } - \regex_show_push:n { | } + \__regex_show_one:n { ,-group~begin #1 } + \__regex_show_push:n { | } \use_ii:nn #2 - \regex_show_pop: - \regex_show_one:n - { `-group~end \regex_msg_repeated:nnN {#3} {#4} #5 } + \__regex_show_pop: + \__regex_show_one:n + { `-group~end \__regex_msg_repeated:nnN {#3} {#4} #5 } } -\cs_set:Npn \regex_show_class:NnnnN #1#2#3#4#5 +\cs_set:Npn \__regex_show_class:NnnnN #1#2#3#4#5 { - \tl_set_build:Nw \l_regex_internal_a_tl - \int_zero:N \l_regex_show_lines_int - \regex_show_push:n {~} + \__tl_build:Nw \l__regex_internal_a_tl + \int_zero:N \l__regex_show_lines_int + \__regex_show_push:n {~} #2 \exp_last_unbraced:Nf - \prg_case_int:nnn { \l_regex_show_lines_int } + \int_case:nnn { \l__regex_show_lines_int } { {0} { - \tl_build_end: - \regex_show_one:n { \bool_if:NTF #1 { Fail } { Pass } } + \__tl_build_end: + \__regex_show_one:n { \bool_if:NTF #1 { Fail } { Pass } } } {1} { - \tl_build_end: + \__tl_build_end: \bool_if:NTF #1 { #2 - \tl_build_one:n { \regex_msg_repeated:nnN {#3} {#4} #5 } + \__tl_build_one:n { \__regex_msg_repeated:nnN {#3} {#4} #5 } } { - \regex_show_one:n - { Don't~match~\regex_msg_repeated:nnN {#3} {#4} #5 } - \tl_build_one:o \l_regex_internal_a_tl + \__regex_show_one:n + { Don't~match~\__regex_msg_repeated:nnN {#3} {#4} #5 } + \__tl_build_one:o \l__regex_internal_a_tl } } } { - \tl_build_end: - \regex_show_one:n + \__tl_build_end: + \__regex_show_one:n { \bool_if:NTF #1 { M } { Don't~m } atch - \regex_msg_repeated:nnN {#3} {#4} #5 + \__regex_msg_repeated:nnN {#3} {#4} #5 } - \tl_build_one:o \l_regex_internal_a_tl + \__tl_build_one:o \l__regex_internal_a_tl } } -\cs_new:Npn \regex_show_anchor_to_str:N #1 +\cs_new:Npn \__regex_show_anchor_to_str:N #1 { anchor~at~ - \prg_case_str:nnn { #1 } + \str_case:nnn { #1 } { - { \l_regex_min_pos_int } { start~(\iow_char:N\\A) } - { \l_regex_start_pos_int } { start~of~match~(\iow_char:N\\G) } - { \l_regex_max_pos_int } { end~(\iow_char:N\\Z) } + { \l__regex_min_pos_int } { start~(\iow_char:N\\A) } + { \l__regex_start_pos_int } { start~of~match~(\iow_char:N\\G) } + { \l__regex_max_pos_int } { end~(\iow_char:N\\Z) } } { <error:~'#1'~not~recognized> } } -\cs_new_protected:Npn \regex_show_item_catcode:NnT #1#2 +\cs_new_protected:Npn \__regex_show_item_catcode:NnT #1#2 { - \seq_set_split:Nnn \l_regex_internal_seq { } { CBEMTPUDSLOA } - \seq_set_filter:NNn \l_regex_internal_seq \l_regex_internal_seq - { \int_if_odd_p:n { #2 / \int_use:c { c_regex_catcode_##1_int } } } - \regex_show_scope:nn + \seq_set_split:Nnn \l__regex_internal_seq { } { CBEMTPUDSLOA } + \seq_set_filter:NNn \l__regex_internal_seq \l__regex_internal_seq + { \int_if_odd_p:n { #2 / \int_use:c { c__regex_catcode_##1_int } } } + \__regex_show_scope:nn { - categories~\seq_use:N \l_regex_internal_seq, ~ + categories~ + \seq_map_function:NN \l__regex_internal_seq \use:n + , ~ \bool_if:NF #1 { negative~ } class } } -\int_new:N \l_regex_min_state_int -\int_new:N \l_regex_max_state_int -\int_new:N \l_regex_left_state_int -\int_new:N \l_regex_right_state_int -\seq_new:N \l_regex_left_state_seq -\seq_new:N \l_regex_right_state_seq -\int_new:N \l_regex_capturing_group_int -\cs_new_protected:Npn \regex_build:n #1 +\int_new:N \l__regex_min_state_int +\int_new:N \l__regex_max_state_int +\int_new:N \l__regex_left_state_int +\int_new:N \l__regex_right_state_int +\seq_new:N \l__regex_left_state_seq +\seq_new:N \l__regex_right_state_seq +\int_new:N \l__regex_capturing_group_int +\cs_new_protected:Npn \__regex_build:n #1 { - \regex_compile:n {#1} - \regex_build:N \l_regex_internal_regex + \__regex_compile:n {#1} + \__regex_build:N \l__regex_internal_regex } -\cs_new_protected:Npn \regex_build:N #1 +\cs_new_protected:Npn \__regex_build:N #1 { - \trace_push:nnn { regex } { 1 } { regex_build } + \trace_push:nnn { regex } { 1 } { @@_build } \int_set:Nn \tex_escapechar:D { 92 } - \int_zero:N \l_regex_capturing_group_int - \int_set_eq:NN \l_regex_max_state_int \l_regex_min_state_int - \regex_build_new_state: - \regex_build_new_state: - \regex_toks_put_right:Nn \l_regex_left_state_int - { \regex_action_start_wildcard: } - \regex_group:nnnN {#1} { 1 } { 0 } \c_false_bool - \regex_toks_put_right:Nn \l_regex_right_state_int - { \regex_action_success: } - \regex_trace_states:n { 2 } - \trace_pop:nnn { regex } { 1 } { regex_build } - } -\cs_new_protected:Npn \regex_build_for_cs:n #1 - { - \trace_push:nnn { regex } { 1 } { regex_build_for_cs } - \int_set_eq:NN \l_regex_max_state_int \l_regex_min_state_int - \regex_build_new_state: - \regex_build_new_state: - \regex_push_lr_states: + \int_zero:N \l__regex_capturing_group_int + \int_set_eq:NN \l__regex_max_state_int \l__regex_min_state_int + \__regex_build_new_state: + \__regex_build_new_state: + \__regex_toks_put_right:Nn \l__regex_left_state_int + { \__regex_action_start_wildcard: } + \__regex_group:nnnN {#1} { 1 } { 0 } \c_false_bool + \__regex_toks_put_right:Nn \l__regex_right_state_int + { \__regex_action_success: } + \@@_trace_states:n { 2 } + \trace_pop:nnn { regex } { 1 } { @@_build } + } +\cs_new_protected:Npn \__regex_build_for_cs:n #1 + { + \trace_push:nnn { regex } { 1 } { @@_build_for_cs } + \int_set_eq:NN \l__regex_max_state_int \l__regex_min_state_int + \__regex_build_new_state: + \__regex_build_new_state: + \__regex_push_lr_states: #1 - \regex_pop_lr_states: - \regex_toks_put_right:Nn \l_regex_right_state_int + \__regex_pop_lr_states: + \__regex_toks_put_right:Nn \l__regex_right_state_int { - \if_num:w \l_regex_current_pos_int = \l_regex_max_pos_int - \exp_after:wN \regex_action_success: + \if_int_compare:w \l__regex_current_pos_int = \l__regex_max_pos_int + \exp_after:wN \__regex_action_success: \fi: } - \regex_trace_states:n { 2 } - \trace_pop:nnn { regex } { 1 } { regex_build_for_cs } + \@@_trace_states:n { 2 } + \trace_pop:nnn { regex } { 1 } { @@_build_for_cs } } -\cs_new_protected_nopar:Npn \regex_push_lr_states: +\cs_new_protected_nopar:Npn \__regex_push_lr_states: { - \seq_push:No \l_regex_left_state_seq - { \int_use:N \l_regex_left_state_int } - \seq_push:No \l_regex_right_state_seq - { \int_use:N \l_regex_right_state_int } + \seq_push:No \l__regex_left_state_seq + { \int_use:N \l__regex_left_state_int } + \seq_push:No \l__regex_right_state_seq + { \int_use:N \l__regex_right_state_int } } -\cs_new_protected_nopar:Npn \regex_pop_lr_states: +\cs_new_protected_nopar:Npn \__regex_pop_lr_states: { - \seq_pop:NN \l_regex_left_state_seq \l_regex_internal_a_tl - \int_set:Nn \l_regex_left_state_int \l_regex_internal_a_tl - \seq_pop:NN \l_regex_right_state_seq \l_regex_internal_a_tl - \int_set:Nn \l_regex_right_state_int \l_regex_internal_a_tl + \seq_pop:NN \l__regex_left_state_seq \l__regex_internal_a_tl + \int_set:Nn \l__regex_left_state_int \l__regex_internal_a_tl + \seq_pop:NN \l__regex_right_state_seq \l__regex_internal_a_tl + \int_set:Nn \l__regex_right_state_int \l__regex_internal_a_tl } -\cs_new_protected:Npn \regex_toks_put_left:Nx #1#2 +\cs_new_protected:Npn \__regex_toks_put_left:Nx #1#2 { - \cs_set_nopar:Npx \regex_tmp:w { #2 } + \cs_set_nopar:Npx \__regex_tmp:w { #2 } \tex_toks:D #1 \exp_after:wN \exp_after:wN \exp_after:wN - { \exp_after:wN \regex_tmp:w \tex_the:D \tex_toks:D #1 } + { \exp_after:wN \__regex_tmp:w \tex_the:D \tex_toks:D #1 } } -\cs_new_protected:Npn \regex_toks_put_right:Nx #1#2 +\cs_new_protected:Npn \__regex_toks_put_right:Nx #1#2 { - \cs_set_nopar:Npx \regex_tmp:w {#2} + \cs_set_nopar:Npx \__regex_tmp:w {#2} \tex_toks:D #1 \exp_after:wN - { \tex_the:D \tex_toks:D \exp_after:wN #1 \regex_tmp:w } + { \tex_the:D \tex_toks:D \exp_after:wN #1 \__regex_tmp:w } } -\cs_new_protected:Npn \regex_toks_put_right:Nn #1#2 +\cs_new_protected:Npn \__regex_toks_put_right:Nn #1#2 { \tex_toks:D #1 \exp_after:wN { \tex_the:D \tex_toks:D #1 #2 } } -\cs_new_protected:Npn \regex_build_transition_left:NNN #1#2#3 - { \regex_toks_put_left:Nx #2 { #1 { \int_eval:n { #3 - #2 } } } } -\cs_new_protected:Npn \regex_build_transition_right:nNn #1#2#3 - { \regex_toks_put_right:Nx #2 { #1 { \int_eval:n { #3 - #2 } } } } -\cs_new_protected_nopar:Npn \regex_build_new_state: +\cs_new_protected:Npn \__regex_build_transition_left:NNN #1#2#3 + { \__regex_toks_put_left:Nx #2 { #1 { \int_eval:n { #3 - #2 } } } } +\cs_new_protected:Npn \__regex_build_transition_right:nNn #1#2#3 + { \__regex_toks_put_right:Nx #2 { #1 { \int_eval:n { #3 - #2 } } } } +\cs_new_protected_nopar:Npn \__regex_build_new_state: { \trace:nnx { regex } { 2 } { regex~new~state~ - L=\int_use:N \l_regex_left_state_int ~ -> ~ - R=\int_use:N \l_regex_right_state_int ~ -> ~ - M=\int_use:N \l_regex_max_state_int ~ -> ~ - \int_eval:n { \l_regex_max_state_int + \c_one } + L=\int_use:N \l__regex_left_state_int ~ -> ~ + R=\int_use:N \l__regex_right_state_int ~ -> ~ + M=\int_use:N \l__regex_max_state_int ~ -> ~ + \int_eval:n { \l__regex_max_state_int + \c_one } } - \tex_toks:D \l_regex_max_state_int { } - \int_set_eq:NN \l_regex_left_state_int \l_regex_right_state_int - \int_set_eq:NN \l_regex_right_state_int \l_regex_max_state_int - \int_incr:N \l_regex_max_state_int + \tex_toks:D \l__regex_max_state_int { } + \int_set_eq:NN \l__regex_left_state_int \l__regex_right_state_int + \int_set_eq:NN \l__regex_right_state_int \l__regex_max_state_int + \int_incr:N \l__regex_max_state_int } -\cs_new_protected:Npn \regex_build_transitions_lazyness:NNNNN #1#2#3#4#5 +\cs_new_protected:Npn \__regex_build_transitions_lazyness:NNNNN #1#2#3#4#5 { - \regex_build_new_state: - \regex_toks_put_right:Nx \l_regex_left_state_int + \__regex_build_new_state: + \__regex_toks_put_right:Nx \l__regex_left_state_int { \if_meaning:w \c_true_bool #1 - #2 { \int_eval:n { #3 - \l_regex_left_state_int } } - #4 { \int_eval:n { #5 - \l_regex_left_state_int } } + #2 { \int_eval:n { #3 - \l__regex_left_state_int } } + #4 { \int_eval:n { #5 - \l__regex_left_state_int } } \else: - #4 { \int_eval:n { #5 - \l_regex_left_state_int } } - #2 { \int_eval:n { #3 - \l_regex_left_state_int } } + #4 { \int_eval:n { #5 - \l__regex_left_state_int } } + #2 { \int_eval:n { #3 - \l__regex_left_state_int } } \fi: } } -\cs_new_protected:Npn \regex_class:NnnnN #1#2#3#4#5 +\cs_new_protected:Npn \__regex_class:NnnnN #1#2#3#4#5 { - \cs_set_nopar:Npx \regex_tests_action_cost:n ##1 + \cs_set_nopar:Npx \__regex_tests_action_cost:n ##1 { \exp_not:n { \exp_not:n {#2} } \bool_if:NTF #1 - { \regex_break_point:TF { \regex_action_cost:n {##1} } { } } - { \regex_break_point:TF { } { \regex_action_cost:n {##1} } } + { \__regex_break_point:TF { \__regex_action_cost:n {##1} } { } } + { \__regex_break_point:TF { } { \__regex_action_cost:n {##1} } } } \if_case:w - #4 \exp_stop_f: - \regex_class_repeat:n {#3} - \or: \regex_class_repeat:nN {#3} #5 - \else: \regex_class_repeat:nnN {#3} {#4} #5 + \__regex_class_repeat:n {#3} + \or: \__regex_class_repeat:nN {#3} #5 + \else: \__regex_class_repeat:nnN {#3} {#4} #5 \fi: } -\cs_new:Npn \regex_tests_action_cost:n { \regex_action_cost:n } -\cs_new_protected:Npn \regex_class_repeat:n #1 +\cs_new:Npn \__regex_tests_action_cost:n { \__regex_action_cost:n } +\cs_new_protected:Npn \__regex_class_repeat:n #1 { \prg_replicate:nn {#1} { - \regex_build_new_state: - \regex_build_transition_right:nNn \regex_tests_action_cost:n - \l_regex_left_state_int \l_regex_right_state_int + \__regex_build_new_state: + \__regex_build_transition_right:nNn \__regex_tests_action_cost:n + \l__regex_left_state_int \l__regex_right_state_int } } -\cs_new_protected:Npn \regex_class_repeat:nN #1#2 +\cs_new_protected:Npn \__regex_class_repeat:nN #1#2 { - \if_num:w #1 = \c_zero - \regex_build_transitions_lazyness:NNNNN #2 - \regex_action_free:n \l_regex_right_state_int - \regex_tests_action_cost:n \l_regex_left_state_int + \if_int_compare:w #1 = \c_zero + \__regex_build_transitions_lazyness:NNNNN #2 + \__regex_action_free:n \l__regex_right_state_int + \__regex_tests_action_cost:n \l__regex_left_state_int \else: - \regex_class_repeat:n {#1} - \int_set_eq:NN \l_regex_internal_a_int \l_regex_left_state_int - \regex_build_transitions_lazyness:NNNNN #2 - \regex_action_free:n \l_regex_right_state_int - \regex_action_free:n \l_regex_internal_a_int + \__regex_class_repeat:n {#1} + \int_set_eq:NN \l__regex_internal_a_int \l__regex_left_state_int + \__regex_build_transitions_lazyness:NNNNN #2 + \__regex_action_free:n \l__regex_right_state_int + \__regex_action_free:n \l__regex_internal_a_int \fi: } -\cs_new_protected:Npn \regex_class_repeat:nnN #1#2#3 +\cs_new_protected:Npn \__regex_class_repeat:nnN #1#2#3 { - \regex_class_repeat:n {#1} - \int_set:Nn \l_regex_internal_a_int - { \l_regex_max_state_int + #2 - \c_one } + \__regex_class_repeat:n {#1} + \int_set:Nn \l__regex_internal_a_int + { \l__regex_max_state_int + #2 - \c_one } \prg_replicate:nn { #2 } { - \regex_build_transitions_lazyness:NNNNN #3 - \regex_action_free:n \l_regex_internal_a_int - \regex_tests_action_cost:n \l_regex_right_state_int + \__regex_build_transitions_lazyness:NNNNN #3 + \__regex_action_free:n \l__regex_internal_a_int + \__regex_tests_action_cost:n \l__regex_right_state_int } } -\cs_new_protected:Npn \regex_group_aux:nnnnN #1#2#3#4#5 +\cs_new_protected:Npn \__regex_group_aux:nnnnN #1#2#3#4#5 { - \trace_push:nnn { regex } { 1 } { regex_group } - \if_num:w #3 = \c_zero - \regex_build_new_state: - \regex_build_transition_right:nNn \regex_action_free_group:n - \l_regex_left_state_int \l_regex_right_state_int + \trace_push:nnn { regex } { 1 } { @@_group } + \if_int_compare:w #3 = \c_zero + \__regex_build_new_state: + \__regex_build_transition_right:nNn \__regex_action_free_group:n + \l__regex_left_state_int \l__regex_right_state_int \fi: - \regex_build_new_state: - \regex_push_lr_states: + \__regex_build_new_state: + \__regex_push_lr_states: #2 - \regex_pop_lr_states: + \__regex_pop_lr_states: \if_case:w - #4 \exp_stop_f: - \regex_group_repeat:nn {#1} {#3} - \or: \regex_group_repeat:nnN {#1} {#3} #5 - \else: \regex_group_repeat:nnnN {#1} {#3} {#4} #5 + \__regex_group_repeat:nn {#1} {#3} + \or: \__regex_group_repeat:nnN {#1} {#3} #5 + \else: \__regex_group_repeat:nnnN {#1} {#3} {#4} #5 \fi: - \trace_pop:nnn { regex } { 1 } { regex_group } + \trace_pop:nnn { regex } { 1 } { @@_group } } -\cs_new_protected:Npn \regex_group:nnnN #1 +\cs_new_protected:Npn \__regex_group:nnnN #1 { - \exp_args:No \regex_group_aux:nnnnN - { \int_use:N \l_regex_capturing_group_int } + \exp_args:No \__regex_group_aux:nnnnN + { \int_use:N \l__regex_capturing_group_int } { - \int_incr:N \l_regex_capturing_group_int + \int_incr:N \l__regex_capturing_group_int #1 } } -\cs_new_protected_nopar:Npn \regex_group_no_capture:nnnN - { \regex_group_aux:nnnnN { -1 } } -\cs_new_protected:Npn \regex_group_resetting:nnnN #1 +\cs_new_protected_nopar:Npn \__regex_group_no_capture:nnnN + { \__regex_group_aux:nnnnN { -1 } } +\cs_new_protected:Npn \__regex_group_resetting:nnnN #1 { - \regex_group_aux:nnnnN { -1 } + \__regex_group_aux:nnnnN { -1 } { - \exp_args:Noo \regex_group_resetting_loop:nnNn - { \int_use:N \l_regex_capturing_group_int } - { \int_use:N \l_regex_capturing_group_int } + \exp_args:Noo \__regex_group_resetting_loop:nnNn + { \int_use:N \l__regex_capturing_group_int } + { \int_use:N \l__regex_capturing_group_int } #1 - { ?? \prg_map_break:n } { } - \prg_break_point:n { } + { ?? \__prg_break:n } { } + \__prg_break_point: } } -\cs_new_protected:Npn \regex_group_resetting_loop:nnNn #1#2#3#4 +\cs_new_protected:Npn \__regex_group_resetting_loop:nnNn #1#2#3#4 { - \use_none:nn #3 { \int_set:Nn \l_regex_capturing_group_int {#1} } - \int_set:Nn \l_regex_capturing_group_int {#2} + \use_none:nn #3 { \int_set:Nn \l__regex_capturing_group_int {#1} } + \int_set:Nn \l__regex_capturing_group_int {#2} #3 {#4} - \exp_args:Nf \regex_group_resetting_loop:nnNn - { \int_max:nn {#1} { \l_regex_capturing_group_int } } + \exp_args:Nf \__regex_group_resetting_loop:nnNn + { \int_max:nn {#1} { \l__regex_capturing_group_int } } {#2} } -\cs_new_protected:Npn \regex_branch:n #1 +\cs_new_protected:Npn \__regex_branch:n #1 { - \trace_push:nnn { regex } { 1 } { regex_branch } - \regex_build_new_state: - \seq_get:NN \l_regex_left_state_seq \l_regex_internal_a_tl - \int_set:Nn \l_regex_left_state_int \l_regex_internal_a_tl - \regex_build_transition_right:nNn \regex_action_free:n - \l_regex_left_state_int \l_regex_right_state_int + \trace_push:nnn { regex } { 1 } { @@_branch } + \__regex_build_new_state: + \seq_get:NN \l__regex_left_state_seq \l__regex_internal_a_tl + \int_set:Nn \l__regex_left_state_int \l__regex_internal_a_tl + \__regex_build_transition_right:nNn \__regex_action_free:n + \l__regex_left_state_int \l__regex_right_state_int #1 - \seq_get:NN \l_regex_right_state_seq \l_regex_internal_a_tl - \regex_build_transition_right:nNn \regex_action_free:n - \l_regex_right_state_int \l_regex_internal_a_tl - \trace_pop:nnn { regex } { 1 } { regex_branch } + \seq_get:NN \l__regex_right_state_seq \l__regex_internal_a_tl + \__regex_build_transition_right:nNn \__regex_action_free:n + \l__regex_right_state_int \l__regex_internal_a_tl + \trace_pop:nnn { regex } { 1 } { @@_branch } } -\cs_new_protected:Npn \regex_group_repeat:nn #1#2 +\cs_new_protected:Npn \__regex_group_repeat:nn #1#2 { - \if_num:w #2 = \c_zero - \int_set:Nn \l_regex_max_state_int - { \l_regex_left_state_int - \c_one } - \regex_build_new_state: + \if_int_compare:w #2 = \c_zero + \int_set:Nn \l__regex_max_state_int + { \l__regex_left_state_int - \c_one } + \__regex_build_new_state: \else: - \regex_group_repeat_aux:n {#2} - \regex_group_submatches:nNN {#1} - \l_regex_internal_a_int \l_regex_right_state_int - \regex_build_new_state: + \__regex_group_repeat_aux:n {#2} + \__regex_group_submatches:nNN {#1} + \l__regex_internal_a_int \l__regex_right_state_int + \__regex_build_new_state: \fi: } -\cs_new_protected:Npn \regex_group_submatches:nNN #1#2#3 +\cs_new_protected:Npn \__regex_group_submatches:nNN #1#2#3 { - \if_num:w #1 > \c_minus_one - \regex_toks_put_left:Nx #2 { \regex_action_submatch:n { #1 < } } - \regex_toks_put_left:Nx #3 { \regex_action_submatch:n { #1 > } } + \if_int_compare:w #1 > \c_minus_one + \__regex_toks_put_left:Nx #2 { \__regex_action_submatch:n { #1 < } } + \__regex_toks_put_left:Nx #3 { \__regex_action_submatch:n { #1 > } } \fi: } -\cs_new_protected:Npn \regex_group_repeat_aux:n #1 +\cs_new_protected:Npn \__regex_group_repeat_aux:n #1 { - \regex_build_transition_right:nNn \regex_action_free:n - \l_regex_right_state_int \l_regex_max_state_int - \int_set_eq:NN \l_regex_internal_a_int \l_regex_left_state_int - \int_set_eq:NN \l_regex_internal_b_int \l_regex_max_state_int - \if_num:w \int_eval:w #1 > \c_one - \int_set:Nn \l_regex_internal_c_int + \__regex_build_transition_right:nNn \__regex_action_free:n + \l__regex_right_state_int \l__regex_max_state_int + \int_set_eq:NN \l__regex_internal_a_int \l__regex_left_state_int + \int_set_eq:NN \l__regex_internal_b_int \l__regex_max_state_int + \if_int_compare:w \__int_eval:w #1 > \c_one + \int_set:Nn \l__regex_internal_c_int { ( #1 - \c_one ) - * ( \l_regex_internal_b_int - \l_regex_internal_a_int ) + * ( \l__regex_internal_b_int - \l__regex_internal_a_int ) } - \tex_advance:D \l_regex_right_state_int \l_regex_internal_c_int - \tex_advance:D \l_regex_max_state_int \l_regex_internal_c_int - \prg_replicate:nn \l_regex_internal_c_int + \tex_advance:D \l__regex_right_state_int \l__regex_internal_c_int + \tex_advance:D \l__regex_max_state_int \l__regex_internal_c_int + \prg_replicate:nn \l__regex_internal_c_int { - \tex_toks:D \l_regex_internal_b_int - = \tex_toks:D \l_regex_internal_a_int - \tex_advance:D \l_regex_internal_a_int \c_one - \tex_advance:D \l_regex_internal_b_int \c_one + \tex_toks:D \l__regex_internal_b_int + = \tex_toks:D \l__regex_internal_a_int + \tex_advance:D \l__regex_internal_a_int \c_one + \tex_advance:D \l__regex_internal_b_int \c_one } \fi: } -\cs_new_protected:Npn \regex_group_repeat:nnN #1#2#3 +\cs_new_protected:Npn \__regex_group_repeat:nnN #1#2#3 { - \if_num:w #2 = \c_zero - \regex_group_submatches:nNN {#1} - \l_regex_left_state_int \l_regex_right_state_int - \int_set:Nn \l_regex_internal_a_int - { \l_regex_left_state_int - \c_one } - \regex_build_transition_right:nNn \regex_action_free:n - \l_regex_right_state_int \l_regex_internal_a_int - \regex_build_new_state: + \if_int_compare:w #2 = \c_zero + \__regex_group_submatches:nNN {#1} + \l__regex_left_state_int \l__regex_right_state_int + \int_set:Nn \l__regex_internal_a_int + { \l__regex_left_state_int - \c_one } + \__regex_build_transition_right:nNn \__regex_action_free:n + \l__regex_right_state_int \l__regex_internal_a_int + \__regex_build_new_state: \if_meaning:w \c_true_bool #3 - \regex_build_transition_left:NNN \regex_action_free:n - \l_regex_internal_a_int \l_regex_right_state_int + \__regex_build_transition_left:NNN \__regex_action_free:n + \l__regex_internal_a_int \l__regex_right_state_int \else: - \regex_build_transition_right:nNn \regex_action_free:n - \l_regex_internal_a_int \l_regex_right_state_int + \__regex_build_transition_right:nNn \__regex_action_free:n + \l__regex_internal_a_int \l__regex_right_state_int \fi: \else: - \regex_group_repeat_aux:n {#2} - \regex_group_submatches:nNN {#1} - \l_regex_internal_a_int \l_regex_right_state_int + \__regex_group_repeat_aux:n {#2} + \__regex_group_submatches:nNN {#1} + \l__regex_internal_a_int \l__regex_right_state_int \if_meaning:w \c_true_bool #3 - \regex_build_transition_right:nNn \regex_action_free_group:n - \l_regex_right_state_int \l_regex_internal_a_int + \__regex_build_transition_right:nNn \__regex_action_free_group:n + \l__regex_right_state_int \l__regex_internal_a_int \else: - \regex_build_transition_left:NNN \regex_action_free_group:n - \l_regex_right_state_int \l_regex_internal_a_int + \__regex_build_transition_left:NNN \__regex_action_free_group:n + \l__regex_right_state_int \l__regex_internal_a_int \fi: - \regex_build_new_state: + \__regex_build_new_state: \fi: } -\cs_new_protected:Npn \regex_group_repeat:nnnN #1#2#3#4 +\cs_new_protected:Npn \__regex_group_repeat:nnnN #1#2#3#4 { - \regex_group_submatches:nNN {#1} - \l_regex_left_state_int \l_regex_right_state_int - \regex_group_repeat_aux:n { #2 + #3 } + \__regex_group_submatches:nNN {#1} + \l__regex_left_state_int \l__regex_right_state_int + \__regex_group_repeat_aux:n { #2 + #3 } \if_meaning:w \c_true_bool #4 - \int_set_eq:NN \l_regex_left_state_int \l_regex_max_state_int + \int_set_eq:NN \l__regex_left_state_int \l__regex_max_state_int \prg_replicate:nn { #3 } { - \int_sub:Nn \l_regex_left_state_int - { \l_regex_internal_b_int - \l_regex_internal_a_int } - \regex_build_transition_left:NNN \regex_action_free:n - \l_regex_left_state_int \l_regex_max_state_int + \int_sub:Nn \l__regex_left_state_int + { \l__regex_internal_b_int - \l__regex_internal_a_int } + \__regex_build_transition_left:NNN \__regex_action_free:n + \l__regex_left_state_int \l__regex_max_state_int } \else: \prg_replicate:nn { #3 - \c_one } { - \int_sub:Nn \l_regex_right_state_int - { \l_regex_internal_b_int - \l_regex_internal_a_int } - \regex_build_transition_right:nNn \regex_action_free:n - \l_regex_right_state_int \l_regex_max_state_int + \int_sub:Nn \l__regex_right_state_int + { \l__regex_internal_b_int - \l__regex_internal_a_int } + \__regex_build_transition_right:nNn \__regex_action_free:n + \l__regex_right_state_int \l__regex_max_state_int } - \if_num:w #2 = \c_zero - \int_set:Nn \l_regex_right_state_int - { \l_regex_left_state_int - \c_one } + \if_int_compare:w #2 = \c_zero + \int_set:Nn \l__regex_right_state_int + { \l__regex_left_state_int - \c_one } \else: - \int_sub:Nn \l_regex_right_state_int - { \l_regex_internal_b_int - \l_regex_internal_a_int } + \int_sub:Nn \l__regex_right_state_int + { \l__regex_internal_b_int - \l__regex_internal_a_int } \fi: - \regex_build_transition_right:nNn \regex_action_free:n - \l_regex_right_state_int \l_regex_max_state_int + \__regex_build_transition_right:nNn \__regex_action_free:n + \l__regex_right_state_int \l__regex_max_state_int \fi: - \regex_build_new_state: + \__regex_build_new_state: } -\cs_new_protected:Npn \regex_assertion:Nn #1#2 +\cs_new_protected:Npn \__regex_assertion:Nn #1#2 { - \regex_build_new_state: - \regex_toks_put_right:Nx \l_regex_left_state_int + \__regex_build_new_state: + \__regex_toks_put_right:Nx \l__regex_left_state_int { \exp_not:n {#2} - \regex_break_point:TF + \__regex_break_point:TF \bool_if:NF #1 { { } } { - \regex_action_free:n + \__regex_action_free:n { \int_eval:n - { \l_regex_right_state_int - \l_regex_left_state_int } + { \l__regex_right_state_int - \l__regex_left_state_int } } } \bool_if:NT #1 { { } } } } -\cs_new_protected:Npn \regex_anchor:N #1 +\cs_new_protected:Npn \__regex_anchor:N #1 { - \if_num:w #1 = \l_regex_current_pos_int - \exp_after:wN \regex_break_true:w + \if_int_compare:w #1 = \l__regex_current_pos_int + \exp_after:wN \__regex_break_true:w \fi: } -\cs_new_protected_nopar:Npn \regex_b_test: +\cs_new_protected_nopar:Npn \__regex_b_test: { \group_begin: - \int_set_eq:NN \l_regex_current_char_int \l_regex_last_char_int - \regex_prop_w: - \regex_break_point:TF - { \group_end: \regex_item_reverse:n \regex_prop_w: } - { \group_end: \regex_prop_w: } - } -\cs_new_protected_nopar:Npn \regex_command_K: - { - \regex_build_new_state: - \regex_toks_put_right:Nx \l_regex_left_state_int - { - \regex_action_submatch:n { 0< } - \bool_set_true:N \l_regex_fresh_thread_bool - \regex_action_free:n - { \int_eval:n { \l_regex_right_state_int - \l_regex_left_state_int } } - \bool_set_false:N \l_regex_fresh_thread_bool - } - } -\int_new:N \l_regex_min_pos_int -\int_new:N \l_regex_max_pos_int -\int_new:N \l_regex_current_pos_int -\int_new:N \l_regex_start_pos_int -\int_new:N \l_regex_success_pos_int -\int_new:N \l_regex_current_char_int -\int_new:N \l_regex_current_catcode_int -\int_new:N \l_regex_last_char_int -\int_new:N \l_regex_case_changed_char_int -\int_new:N \l_regex_current_state_int -\prop_new:N \l_regex_current_submatches_prop -\prop_new:N \l_regex_success_submatches_prop -\int_new:N \l_regex_step_int -\int_new:N \l_regex_min_active_int -\int_new:N \l_regex_max_active_int -\tl_new:N \l_regex_every_match_tl -\bool_new:N \l_regex_fresh_thread_bool -\bool_new:N \l_regex_empty_success_bool -\cs_new_eq:NN \regex_if_two_empty_matches:F \use:n -\bool_new:N \g_regex_success_bool -\bool_new:N \l_regex_saved_success_bool -\bool_new:N \l_regex_match_success_bool -\cs_new_protected:Npn \regex_match:n #1 - { - \trace_push:nnx { regex } { 1 } { regex_match } + \int_set_eq:NN \l__regex_current_char_int \l__regex_last_char_int + \__regex_prop_w: + \__regex_break_point:TF + { \group_end: \__regex_item_reverse:n \__regex_prop_w: } + { \group_end: \__regex_prop_w: } + } +\cs_new_protected_nopar:Npn \__regex_command_K: + { + \__regex_build_new_state: + \__regex_toks_put_right:Nx \l__regex_left_state_int + { + \__regex_action_submatch:n { 0< } + \bool_set_true:N \l__regex_fresh_thread_bool + \__regex_action_free:n + { \int_eval:n { \l__regex_right_state_int - \l__regex_left_state_int } } + \bool_set_false:N \l__regex_fresh_thread_bool + } + } +\int_new:N \l__regex_min_pos_int +\int_new:N \l__regex_max_pos_int +\int_new:N \l__regex_current_pos_int +\int_new:N \l__regex_start_pos_int +\int_new:N \l__regex_success_pos_int +\int_new:N \l__regex_current_char_int +\int_new:N \l__regex_current_catcode_int +\int_new:N \l__regex_last_char_int +\int_new:N \l__regex_case_changed_char_int +\int_new:N \l__regex_current_state_int +\prop_new:N \l__regex_current_submatches_prop +\prop_new:N \l__regex_success_submatches_prop +\int_new:N \l__regex_step_int +\int_new:N \l__regex_min_active_int +\int_new:N \l__regex_max_active_int +\tl_new:N \l__regex_every_match_tl +\bool_new:N \l__regex_fresh_thread_bool +\bool_new:N \l__regex_empty_success_bool +\cs_new_eq:NN \__regex_if_two_empty_matches:F \use:n +\bool_new:N \g__regex_success_bool +\bool_new:N \l__regex_saved_success_bool +\bool_new:N \l__regex_match_success_bool +\cs_new_protected:Npn \__regex_match:n #1 + { + \trace_push:nnx { regex } { 1 } { @@_match } \trace:nnx { regex } { 1 } { analyzing~query~token~list } - \int_zero:N \l_regex_balance_int - \int_set:Nn \l_regex_current_pos_int { \c_two * \l_regex_max_state_int } - \regex_query_set:nnn { } { -1 } { -2 } - \int_set_eq:NN \l_regex_min_pos_int \l_regex_current_pos_int - \tl_analysis_map_inline:nn {#1} - { \regex_query_set:nnn {##1} {"##2} {##3} } - \int_set_eq:NN \l_regex_max_pos_int \l_regex_current_pos_int - \regex_query_set:nnn { } { -1 } { -2 } + \int_zero:N \l__regex_balance_int + \int_set:Nn \l__regex_current_pos_int { \c_two * \l__regex_max_state_int } + \__regex_query_set:nnn { } { -1 } { -2 } + \int_set_eq:NN \l__regex_min_pos_int \l__regex_current_pos_int + \__tl_analysis_map_inline:nn {#1} + { \__regex_query_set:nnn {##1} {"##2} {##3} } + \int_set_eq:NN \l__regex_max_pos_int \l__regex_current_pos_int + \__regex_query_set:nnn { } { -1 } { -2 } \trace:nnx { regex } { 1 } { initializing } - \bool_gset_false:N \g_regex_success_bool - \prg_stepwise_inline:nnnn - \l_regex_min_state_int \c_one { \l_regex_max_state_int - \c_one } + \bool_gset_false:N \g__regex_success_bool + \int_step_inline:nnnn + \l__regex_min_state_int \c_one { \l__regex_max_state_int - \c_one } { \tex_dimen:D ##1 \c_one sp \scan_stop: } - \int_set_eq:NN \l_regex_min_active_int \l_regex_max_state_int - \int_set_eq:NN \l_regex_step_int \c_zero - \int_set_eq:NN \l_regex_success_pos_int \l_regex_min_pos_int - \int_set:Nn \l_regex_submatch_int - { \c_two * \l_regex_max_state_int } - \bool_set_false:N \l_regex_empty_success_bool - \regex_match_once: - \trace_pop:nnx { regex } { 1 } { regex_match } - } -\cs_new_protected_nopar:Npn \regex_match_once: - { - \if_meaning:w \c_true_bool \l_regex_empty_success_bool - \cs_set_nopar:Npn \regex_if_two_empty_matches:F - { \int_compare:nNnF \l_regex_start_pos_int = \l_regex_current_pos_int } + \int_set_eq:NN \l__regex_min_active_int \l__regex_max_state_int + \int_set_eq:NN \l__regex_step_int \c_zero + \int_set_eq:NN \l__regex_success_pos_int \l__regex_min_pos_int + \int_set:Nn \l__regex_submatch_int + { \c_two * \l__regex_max_state_int } + \bool_set_false:N \l__regex_empty_success_bool + \__regex_match_once: + \trace_pop:nnx { regex } { 1 } { @@_match } + } +\cs_new_protected_nopar:Npn \__regex_match_once: + { + \if_meaning:w \c_true_bool \l__regex_empty_success_bool + \cs_set_nopar:Npn \__regex_if_two_empty_matches:F + { \int_compare:nNnF \l__regex_start_pos_int = \l__regex_current_pos_int } \else: - \cs_set_eq:NN \regex_if_two_empty_matches:F \use:n + \cs_set_eq:NN \__regex_if_two_empty_matches:F \use:n \fi: - \int_set_eq:NN \l_regex_start_pos_int \l_regex_success_pos_int - \bool_set_false:N \l_regex_match_success_bool - \prop_clear:N \l_regex_current_submatches_prop - \int_set_eq:NN \l_regex_max_active_int \l_regex_min_active_int - \regex_store_state:n { \l_regex_min_state_int } - \int_set:Nn \l_regex_current_pos_int - { \l_regex_start_pos_int - \c_one } - \regex_query_get: - \regex_match_loop: - \l_regex_every_match_tl + \int_set_eq:NN \l__regex_start_pos_int \l__regex_success_pos_int + \bool_set_false:N \l__regex_match_success_bool + \prop_clear:N \l__regex_current_submatches_prop + \int_set_eq:NN \l__regex_max_active_int \l__regex_min_active_int + \__regex_store_state:n { \l__regex_min_state_int } + \int_set:Nn \l__regex_current_pos_int + { \l__regex_start_pos_int - \c_one } + \__regex_query_get: + \__regex_match_loop: + \l__regex_every_match_tl } -\cs_new_protected_nopar:Npn \regex_single_match: +\cs_new_protected_nopar:Npn \__regex_single_match: { - \tl_set:Nn \l_regex_every_match_tl - { \bool_gset_eq:NN \g_regex_success_bool \l_regex_match_success_bool } + \tl_set:Nn \l__regex_every_match_tl + { \bool_gset_eq:NN \g__regex_success_bool \l__regex_match_success_bool } } -\cs_new_protected:Npn \regex_multi_match:n #1 +\cs_new_protected:Npn \__regex_multi_match:n #1 { - \tl_set:Nn \l_regex_every_match_tl + \tl_set:Nn \l__regex_every_match_tl { - \if_meaning:w \c_true_bool \l_regex_match_success_bool - \bool_gset_true:N \g_regex_success_bool + \if_meaning:w \c_true_bool \l__regex_match_success_bool + \bool_gset_true:N \g__regex_success_bool #1 - \exp_after:wN \regex_match_once: + \exp_after:wN \__regex_match_once: \fi: } } -\cs_new_protected_nopar:Npn \regex_match_loop: +\cs_new_protected_nopar:Npn \__regex_match_loop: { - \tex_advance:D \l_regex_step_int \c_two - \int_incr:N \l_regex_current_pos_int - \int_set_eq:NN \l_regex_last_char_int \l_regex_current_char_int - \int_set_eq:NN \l_regex_case_changed_char_int \c_max_int - \regex_query_get: + \tex_advance:D \l__regex_step_int \c_two + \int_incr:N \l__regex_current_pos_int + \int_set_eq:NN \l__regex_last_char_int \l__regex_current_char_int + \int_set_eq:NN \l__regex_case_changed_char_int \c_max_int + \__regex_query_get: \use:x { - \int_set_eq:NN \l_regex_max_active_int \l_regex_min_active_int - \exp_after:wN \regex_match_one_active:w - \int_use:N \l_regex_min_active_int ; + \int_set_eq:NN \l__regex_max_active_int \l__regex_min_active_int + \exp_after:wN \__regex_match_one_active:w + \int_use:N \l__regex_min_active_int ; } - \prg_break_point:n { \bool_set_false:N \l_regex_fresh_thread_bool } - \if_num:w \l_regex_max_active_int > \l_regex_min_active_int - \if_num:w \l_regex_current_pos_int < \l_regex_max_pos_int - \exp_after:wN \exp_after:wN \exp_after:wN \regex_match_loop: + \__prg_break_point: + \bool_set_false:N \l__regex_fresh_thread_bool %^^A was arg of break_point:n + \if_int_compare:w \l__regex_max_active_int > \l__regex_min_active_int + \if_int_compare:w \l__regex_current_pos_int < \l__regex_max_pos_int + \exp_after:wN \exp_after:wN \exp_after:wN \__regex_match_loop: \fi: \fi: } -\cs_new:Npn \regex_match_one_active:w #1; +\cs_new:Npn \__regex_match_one_active:w #1; { - \if_num:w #1 < \l_regex_max_active_int - \regex_use_state_and_submatches:nn - { \int_value:w \tex_skip:D #1 } + \if_int_compare:w #1 < \l__regex_max_active_int + \__regex_use_state_and_submatches:nn + { \__int_value:w \tex_skip:D #1 } { \tex_the:D \tex_toks:D #1 } - \exp_after:wN \regex_match_one_active:w - \int_use:N \int_eval:w #1 + \c_one \exp_after:wN ; + \exp_after:wN \__regex_match_one_active:w + \int_use:N \__int_eval:w #1 + \c_one \exp_after:wN ; \fi: } -\cs_new_protected:Npn \regex_query_set:nnn #1#2#3 +\cs_new_protected:Npn \__regex_query_set:nnn #1#2#3 { - \tex_muskip:D \l_regex_current_pos_int + \tex_muskip:D \l__regex_current_pos_int = \etex_gluetomu:D #3 sp plus #2 sp - minus \l_regex_balance_int sp + minus \l__regex_balance_int sp \scan_stop: - \tex_toks:D \l_regex_current_pos_int {#1} - \int_incr:N \l_regex_current_pos_int + \tex_toks:D \l__regex_current_pos_int {#1} + \int_incr:N \l__regex_current_pos_int \if_case:w #2 \exp_stop_f: - \or: \int_incr:N \l_regex_balance_int - \or: \int_decr:N \l_regex_balance_int + \or: \int_incr:N \l__regex_balance_int + \or: \int_decr:N \l__regex_balance_int \fi: } -\cs_new_protected_nopar:Npn \regex_query_get: +\cs_new_protected_nopar:Npn \__regex_query_get: { - \l_regex_current_char_int - = \etex_mutoglue:D \tex_muskip:D \l_regex_current_pos_int - \l_regex_current_catcode_int = \etex_gluestretch:D - \etex_mutoglue:D \tex_muskip:D \l_regex_current_pos_int + \l__regex_current_char_int + = \etex_mutoglue:D \tex_muskip:D \l__regex_current_pos_int + \l__regex_current_catcode_int = \etex_gluestretch:D + \etex_mutoglue:D \tex_muskip:D \l__regex_current_pos_int } -\cs_new_protected_nopar:Npn \regex_use_state: +\cs_new_protected_nopar:Npn \__regex_use_state: { - \trace:nnx { regex } { 2 } { state~\int_use:N \l_regex_current_state_int } - \tex_dimen:D \l_regex_current_state_int - = \l_regex_step_int sp \scan_stop: - \tex_the:D \tex_toks:D \l_regex_current_state_int - \tex_dimen:D \l_regex_current_state_int - = \int_eval:w \l_regex_step_int + \c_one \int_eval_end: sp \scan_stop: + \trace:nnx { regex } { 2 } { state~\int_use:N \l__regex_current_state_int } + \tex_dimen:D \l__regex_current_state_int + = \l__regex_step_int sp \scan_stop: + \tex_the:D \tex_toks:D \l__regex_current_state_int + \tex_dimen:D \l__regex_current_state_int + = \__int_eval:w \l__regex_step_int + \c_one \__int_eval_end: sp \scan_stop: } -\cs_new_protected:Npn \regex_use_state_and_submatches:nn #1 #2 +\cs_new_protected:Npn \__regex_use_state_and_submatches:nn #1 #2 { - \int_set:Nn \l_regex_current_state_int {#1} - \if_num:w \tex_dimen:D \l_regex_current_state_int < \l_regex_step_int - \tl_set:Nn \l_regex_current_submatches_prop {#2} - \exp_after:wN \regex_use_state: + \int_set:Nn \l__regex_current_state_int {#1} + \if_int_compare:w \tex_dimen:D \l__regex_current_state_int + < \l__regex_step_int + \tl_set:Nn \l__regex_current_submatches_prop {#2} + \exp_after:wN \__regex_use_state: \fi: \scan_stop: } -\cs_new_protected_nopar:Npn \regex_action_start_wildcard: +\cs_new_protected_nopar:Npn \__regex_action_start_wildcard: { - \bool_set_true:N \l_regex_fresh_thread_bool - \regex_action_free:n {1} - \bool_set_false:N \l_regex_fresh_thread_bool - \regex_action_cost:n {0} + \bool_set_true:N \l__regex_fresh_thread_bool + \__regex_action_free:n {1} + \bool_set_false:N \l__regex_fresh_thread_bool + \__regex_action_cost:n {0} } -\cs_new_protected_nopar:Npn \regex_action_free:n - { \regex_action_free_aux:nn { > \l_regex_step_int \else: } } -\cs_new_protected_nopar:Npn \regex_action_free_group:n - { \regex_action_free_aux:nn { < \l_regex_step_int } } -\cs_new_protected:Npn \regex_action_free_aux:nn #1#2 +\cs_new_protected_nopar:Npn \__regex_action_free:n + { \__regex_action_free_aux:nn { > \l__regex_step_int \else: } } +\cs_new_protected_nopar:Npn \__regex_action_free_group:n + { \__regex_action_free_aux:nn { < \l__regex_step_int } } +\cs_new_protected:Npn \__regex_action_free_aux:nn #1#2 { \use:x { - \int_add:Nn \l_regex_current_state_int {#2} + \int_add:Nn \l__regex_current_state_int {#2} \exp_not:n { - \if_num:w \tex_dimen:D \l_regex_current_state_int #1 - \exp_after:wN \regex_use_state: + \if_int_compare:w \tex_dimen:D \l__regex_current_state_int #1 + \exp_after:wN \__regex_use_state: \fi: } - \int_set:Nn \l_regex_current_state_int - { \int_use:N \l_regex_current_state_int } - \tl_set:Nn \exp_not:N \l_regex_current_submatches_prop - { \exp_not:o \l_regex_current_submatches_prop } + \int_set:Nn \l__regex_current_state_int + { \int_use:N \l__regex_current_state_int } + \tl_set:Nn \exp_not:N \l__regex_current_submatches_prop + { \exp_not:o \l__regex_current_submatches_prop } } } -\cs_new_protected:Npn \regex_action_cost:n #1 +\cs_new_protected:Npn \__regex_action_cost:n #1 { - \exp_args:No \regex_store_state:n - { \int_use:N \int_eval:w \l_regex_current_state_int + #1 } + \exp_args:No \__regex_store_state:n + { \int_use:N \__int_eval:w \l__regex_current_state_int + #1 } } -\cs_new_protected:Npn \regex_store_state:n #1 +\cs_new_protected:Npn \__regex_store_state:n #1 { - \regex_store_submatches: - \tex_skip:D \l_regex_max_active_int = #1 sp \scan_stop: - \int_incr:N \l_regex_max_active_int + \__regex_store_submatches: + \tex_skip:D \l__regex_max_active_int = #1 sp \scan_stop: + \int_incr:N \l__regex_max_active_int } -\cs_new_protected_nopar:Npn \regex_store_submatches: +\cs_new_protected_nopar:Npn \__regex_store_submatches: { - \tex_toks:D \l_regex_max_active_int \exp_after:wN - { \l_regex_current_submatches_prop } + \tex_toks:D \l__regex_max_active_int \exp_after:wN + { \l__regex_current_submatches_prop } } -\cs_new_protected_nopar:Npn \regex_disable_submatches: +\cs_new_protected_nopar:Npn \__regex_disable_submatches: { - \cs_set_protected_nopar:Npn \regex_store_submatches: { } - \cs_set_protected:Npn \regex_action_submatch:n ##1 { } + \cs_set_protected_nopar:Npn \__regex_store_submatches: { } + \cs_set_protected:Npn \__regex_action_submatch:n ##1 { } } -\cs_new_protected:Npn \regex_action_submatch:n #1 +\cs_new_protected:Npn \__regex_action_submatch:n #1 { - \prop_put:Nno \l_regex_current_submatches_prop {#1} - { \int_use:N \l_regex_current_pos_int } + \prop_put:Nno \l__regex_current_submatches_prop {#1} + { \int_use:N \l__regex_current_pos_int } } -\cs_new_protected_nopar:Npn \regex_action_success: +\cs_new_protected_nopar:Npn \__regex_action_success: { - \regex_if_two_empty_matches:F + \__regex_if_two_empty_matches:F { - \bool_set_true:N \l_regex_match_success_bool - \bool_set_eq:NN \l_regex_empty_success_bool - \l_regex_fresh_thread_bool - \int_set_eq:NN \l_regex_success_pos_int \l_regex_current_pos_int - \prop_set_eq:NN \l_regex_success_submatches_prop - \l_regex_current_submatches_prop - \prg_map_break: + \bool_set_true:N \l__regex_match_success_bool + \bool_set_eq:NN \l__regex_empty_success_bool + \l__regex_fresh_thread_bool + \int_set_eq:NN \l__regex_success_pos_int \l__regex_current_pos_int + \prop_set_eq:NN \l__regex_success_submatches_prop + \l__regex_current_submatches_prop + \__prg_break: } } -\int_new:N \l_regex_replacement_csnames_int -\tl_new:N \l_regex_balance_tl -\cs_new:Npn \regex_replacement_balance_one_match:n #1 - { - \regex_submatch_balance:n {#1} } -\cs_new:Npn \regex_replacement_do_one_match:n #1 +\int_new:N \l__regex_replacement_csnames_int +\tl_new:N \l__regex_balance_tl +\cs_new:Npn \__regex_replacement_balance_one_match:n #1 + { - \__regex_submatch_balance:n {#1} } +\cs_new:Npn \__regex_replacement_do_one_match:n #1 { - \regex_query_range:nn + \__regex_query_range:nn { \etex_glueshrink:D \tex_skip:D #1 } { \tex_skip:D #1 } } -\cs_new:Npn \regex_replacement_exp_not:N #1 { \exp_not:n {#1} } -\cs_new:Npn \regex_query_range:nn #1#2 +\cs_new:Npn \__regex_replacement_exp_not:N #1 { \exp_not:n {#1} } +\cs_new:Npn \__regex_query_range:nn #1#2 { - \exp_after:wN \regex_query_range_loop:ww - \int_use:N \int_eval:w #1 \exp_after:wN ; - \int_use:N \int_eval:w #2 ; - \prg_break_point:n { } + \exp_after:wN \__regex_query_range_loop:ww + \int_use:N \__int_eval:w #1 \exp_after:wN ; + \int_use:N \__int_eval:w #2 ; + \__prg_break_point: } -\cs_new:Npn \regex_query_range_loop:ww #1 ; #2 ; +\cs_new:Npn \__regex_query_range_loop:ww #1 ; #2 ; { - \if_num:w #1 < #2 \exp_stop_f: + \if_int_compare:w #1 < #2 \exp_stop_f: \else: - \exp_after:wN \prg_map_break: + \exp_after:wN \__prg_break: \fi: \tex_the:D \tex_toks:D #1 \exp_stop_f: - \exp_after:wN \regex_query_range_loop:ww - \int_use:N \int_eval:w #1 + \c_one ; #2 ; + \exp_after:wN \__regex_query_range_loop:ww + \int_use:N \__int_eval:w #1 + \c_one ; #2 ; } -\cs_new:Npn \regex_query_submatch:n #1 +\cs_new:Npn \__regex_query_submatch:n #1 { - \regex_query_range:nn - { \tex_skip:D \int_eval:w #1 } - { \etex_gluestretch:D \tex_skip:D \int_eval:w #1 } + \__regex_query_range:nn + { \tex_skip:D \__int_eval:w #1 } + { \etex_gluestretch:D \tex_skip:D \__int_eval:w #1 } } -\cs_new_protected:Npn \regex_submatch_balance:n #1 +\cs_new_protected:Npn \__regex_submatch_balance:n #1 { \etex_glueshrink:D \etex_mutoglue:D \etex_muexpr:D \tex_muskip:D \etex_gluestretch:D \tex_skip:D #1 - \tex_muskip:D \tex_skip:D #1 \scan_stop: } -\cs_new_protected:Npn \regex_replacement:n #1 +\cs_new_protected:Npn \__regex_replacement:n #1 { - \trace_push:nnn { regex } { 1 } { regex_replacement:n } - \tl_set_build:Nw \l_regex_internal_a_tl - \int_zero:N \l_regex_balance_int - \tl_clear:N \l_regex_balance_tl - \regex_escape_use:nnnn + \trace_push:nnn { regex } { 1 } { @@_replacement:n } + \__tl_build:Nw \l__regex_internal_a_tl + \int_zero:N \l__regex_balance_int + \tl_clear:N \l__regex_balance_tl + \__regex_escape_use:nnnn { \if_charcode:w \c_rbrace_str ##1 - \regex_replacement_rbrace:N \else: \tl_build_one:n \fi: ##1 + \__regex_replacement_rbrace:N \else: \__tl_build_one:n \fi: ##1 } - { \regex_replacement_escaped:N ##1 } - { \tl_build_one:n ##1 } + { \__regex_replacement_escaped:N ##1 } + { \__tl_build_one:n ##1 } {#1} \prg_do_nothing: \prg_do_nothing: - \if_int_compare:w \l_regex_replacement_csnames_int > \c_zero - \msg_kernel_error:nnx { regex } { replacement-missing-rbrace } - { \int_use:N \l_regex_replacement_csnames_int } - \tl_build_one:x - { \prg_replicate:nn \l_regex_replacement_csnames_int \cs_end: } + \if_int_compare:w \l__regex_replacement_csnames_int > \c_zero + \__msg_kernel_error:nnx { regex } { replacement-missing-rbrace } + { \int_use:N \l__regex_replacement_csnames_int } + \__tl_build_one:x + { \prg_replicate:nn \l__regex_replacement_csnames_int \cs_end: } \fi: - \cs_gset:Npx \regex_replacement_balance_one_match:n ##1 + \cs_gset:Npx \__regex_replacement_balance_one_match:n ##1 { - + \int_use:N \l_regex_balance_int - \l_regex_balance_tl - - \regex_submatch_balance:n {##1} + + \int_use:N \l__regex_balance_int + \l__regex_balance_tl + - \__regex_submatch_balance:n {##1} } - \tl_build_end: - \exp_args:No \regex_replacement_aux:n \l_regex_internal_a_tl - \trace_pop:nnn { regex } { 1 } { regex_replacement:n } + \__tl_build_end: + \exp_args:No \__regex_replacement_aux:n \l__regex_internal_a_tl + \trace_pop:nnn { regex } { 1 } { @@_replacement:n } } -\cs_new_protected:Npn \regex_replacement_aux:n #1 +\cs_new_protected:Npn \__regex_replacement_aux:n #1 { - \cs_set:Npn \regex_replacement_do_one_match:n ##1 + \cs_set:Npn \__regex_replacement_do_one_match:n ##1 { - \regex_query_range:nn + \__regex_query_range:nn { \etex_glueshrink:D \tex_skip:D ##1 } { \tex_skip:D ##1 } #1 } } -\cs_new_protected:Npn \regex_replacement_escaped:N #1 +\cs_new_protected:Npn \__regex_replacement_escaped:N #1 { - \cs_if_exist_use:cF { regex_replacement_#1:w } + \cs_if_exist_use:cF { __regex_replacement_#1:w } { - \if_num:w \c_one < 1#1 \exp_stop_f: - \regex_replacement_put_submatch:n {#1} + \if_int_compare:w \c_one < 1#1 \exp_stop_f: + \__regex_replacement_put_submatch:n {#1} \else: - \tl_build_one:n #1 + \__tl_build_one:n #1 \fi: } } -\cs_new_protected:Npn \regex_replacement_put_submatch:n #1 +\cs_new_protected:Npn \__regex_replacement_put_submatch:n #1 { - \if_num:w #1 < \l_regex_capturing_group_int - \tl_build_one:n { \regex_query_submatch:n { #1 + ##1 } } - \if_num:w \l_regex_replacement_csnames_int = \c_zero - \tl_put_right:Nn \l_regex_balance_tl - { + \regex_submatch_balance:n { \int_eval:w #1+##1 \int_eval_end: } } + \if_int_compare:w #1 < \l__regex_capturing_group_int + \__tl_build_one:n { \__regex_query_submatch:n { #1 + ##1 } } + \if_int_compare:w \l__regex_replacement_csnames_int = \c_zero + \tl_put_right:Nn \l__regex_balance_tl + { + \__regex_submatch_balance:n { \__int_eval:w #1+##1 \__int_eval_end: } } \fi: \fi: } -\cs_new_protected:Npn \regex_replacement_g:w #1#2 +\cs_new_protected:Npn \__regex_replacement_g:w #1#2 { - \str_if_eq:xxTF { #1#2 } { \tl_build_one:n \c_lbrace_str } + \str_if_eq_x:nnTF { #1#2 } { \__tl_build_one:n \c_lbrace_str } { - \int_zero:N \l_regex_internal_a_int - \regex_replacement_g_digits:NN + \int_zero:N \l__regex_internal_a_int + \__regex_replacement_g_digits:NN } - { \regex_replacement_error:NNN g #1 #2 } + { \__regex_replacement_error:NNN g #1 #2 } } -\cs_new_protected:Npn \regex_replacement_g_digits:NN #1#2 +\cs_new_protected:Npn \__regex_replacement_g_digits:NN #1#2 { - \token_if_eq_meaning:NNTF #1 \tl_build_one:n + \token_if_eq_meaning:NNTF #1 \__tl_build_one:n { - \if_num:w \c_one < 1#2 \exp_stop_f: - \int_set:Nn \l_regex_internal_a_int - { \c_ten * \l_regex_internal_a_int + #2 } + \if_int_compare:w \c_one < 1#2 \exp_stop_f: + \int_set:Nn \l__regex_internal_a_int + { \c_ten * \l__regex_internal_a_int + #2 } \exp_after:wN \use_i:nnn - \exp_after:wN \regex_replacement_g_digits:NN + \exp_after:wN \__regex_replacement_g_digits:NN \else: - \exp_after:wN \regex_replacement_error:NNN + \exp_after:wN \__regex_replacement_error:NNN \exp_after:wN g \fi: } { - \if_meaning:w \regex_replacement_rbrace:N #1 - \exp_args:No \regex_replacement_put_submatch:n - { \int_use:N \l_regex_internal_a_int } + \if_meaning:w \__regex_replacement_rbrace:N #1 + \exp_args:No \__regex_replacement_put_submatch:n + { \int_use:N \l__regex_internal_a_int } \exp_after:wN \use_none:nn \else: - \exp_after:wN \regex_replacement_error:NNN + \exp_after:wN \__regex_replacement_error:NNN \exp_after:wN g \fi: } #1 #2 } -\cs_new_protected:Npn \regex_replacement_c:w #1#2 +\cs_new_protected:Npn \__regex_replacement_c:w #1#2 { - \token_if_eq_meaning:NNTF #1 \tl_build_one:n + \token_if_eq_meaning:NNTF #1 \__tl_build_one:n { - \cs_if_exist_use:cF { regex_replacement_c_#2:w } - { \regex_replacement_error:NNN c #1#2 } + \cs_if_exist_use:cF { __regex_replacement_c_#2:w } + { \__regex_replacement_error:NNN c #1#2 } } - { \regex_replacement_error:NNN c #1#2 } + { \__regex_replacement_error:NNN c #1#2 } } -\cs_new_protected_nopar:cpn { regex_replacement_c_ \c_lbrace_str :w } +\cs_new_protected_nopar:cpn { __regex_replacement_c_ \c_lbrace_str :w } { - \if_case:w \l_regex_replacement_csnames_int - \tl_build_one:n - { \exp_not:n { \exp_after:wN \regex_replacement_exp_not:N \cs:w } } + \if_case:w \l__regex_replacement_csnames_int + \__tl_build_one:n + { \exp_not:n { \exp_after:wN \__regex_replacement_exp_not:N \cs:w } } \else: - \tl_build_one:n { \exp_not:n { \exp_after:wN \tl_to_str:N \cs:w } } + \__tl_build_one:n { \exp_not:n { \exp_after:wN \tl_to_str:N \cs:w } } \fi: - \int_incr:N \l_regex_replacement_csnames_int + \int_incr:N \l__regex_replacement_csnames_int } -\cs_new_protected:Npn \regex_replacement_u:w #1#2 +\cs_new_protected:Npn \__regex_replacement_u:w #1#2 { - \str_if_eq:xxTF { #1#2 } { \tl_build_one:n \c_lbrace_str } + \str_if_eq_x:nnTF { #1#2 } { \__tl_build_one:n \c_lbrace_str } { - \if_case:w \l_regex_replacement_csnames_int - \tl_build_one:n { \exp_not:n { \exp_after:wN \exp_not:V \cs:w } } + \if_case:w \l__regex_replacement_csnames_int + \__tl_build_one:n { \exp_not:n { \exp_after:wN \exp_not:V \cs:w } } \else: - \tl_build_one:n { \exp_not:n { \exp_after:wN \tl_to_str:V \cs:w } } + \__tl_build_one:n { \exp_not:n { \exp_after:wN \tl_to_str:V \cs:w } } \fi: - \int_incr:N \l_regex_replacement_csnames_int + \int_incr:N \l__regex_replacement_csnames_int } - { \regex_replacement_error:NNN u #1#2 } + { \__regex_replacement_error:NNN u #1#2 } } -\cs_new_protected:Npn \regex_replacement_rbrace:N #1 +\cs_new_protected:Npn \__regex_replacement_rbrace:N #1 { - \if_int_compare:w \l_regex_replacement_csnames_int > \c_zero - \tl_build_one:n \cs_end: - \int_decr:N \l_regex_replacement_csnames_int + \if_int_compare:w \l__regex_replacement_csnames_int > \c_zero + \__tl_build_one:n \cs_end: + \int_decr:N \l__regex_replacement_csnames_int \else: - \tl_build_one:n #1 + \__tl_build_one:n #1 \fi: } \group_begin: - \cs_new_protected:Npn \regex_replacement_char:nNN #1#2#3 + \cs_new_protected:Npn \__regex_replacement_char:nNN #1#2#3 { \if_meaning:w \prg_do_nothing: #3 - \msg_kernel_error:nn { regex } { replacement-catcode-end } + \__msg_kernel_error:nn { regex } { replacement-catcode-end } \else: \tex_lccode:D \c_zero = `#3 \scan_stop: - \tl_to_lowercase:n { \tl_build_one:n {#1} } + \tl_to_lowercase:n { \__tl_build_one:n {#1} } \fi: } \char_set_catcode_active:N \^^@ - \cs_new_protected_nopar:Npn \regex_replacement_c_A:w - { \regex_replacement_char:nNN { \exp_not:n { \exp_not:N ^^@ } } } + \cs_new_protected_nopar:Npn \__regex_replacement_c_A:w + { \__regex_replacement_char:nNN { \exp_not:n { \exp_not:N ^^@ } } } \char_set_catcode_group_begin:N \^^@ - \cs_new_protected_nopar:Npn \regex_replacement_c_B:w + \cs_new_protected_nopar:Npn \__regex_replacement_c_B:w { - \if_num:w \l_regex_replacement_csnames_int = \c_zero - \int_incr:N \l_regex_balance_int + \if_int_compare:w \l__regex_replacement_csnames_int = \c_zero + \int_incr:N \l__regex_balance_int \fi: - \regex_replacement_char:nNN + \__regex_replacement_char:nNN { \exp_not:n { \exp_after:wN ^^@ \if_false: } \fi: } } } - \cs_new_protected:Npn \regex_replacement_c_C:w #1#2 - { \tl_build_one:n { \exp_not:N \exp_not:N \exp_not:c {#2} } } + \cs_new_protected:Npn \__regex_replacement_c_C:w #1#2 + { \__tl_build_one:n { \exp_not:N \exp_not:N \exp_not:c {#2} } } \char_set_catcode_math_subscript:N \^^@ - \cs_new_protected_nopar:Npn \regex_replacement_c_D:w - { \regex_replacement_char:nNN { ^^@ } } + \cs_new_protected_nopar:Npn \__regex_replacement_c_D:w + { \__regex_replacement_char:nNN { ^^@ } } \char_set_catcode_group_end:N \^^@ - \cs_new_protected_nopar:Npn \regex_replacement_c_E:w + \cs_new_protected_nopar:Npn \__regex_replacement_c_E:w { - \if_num:w \l_regex_replacement_csnames_int = \c_zero - \int_decr:N \l_regex_balance_int + \if_int_compare:w \l__regex_replacement_csnames_int = \c_zero + \int_decr:N \l__regex_balance_int \fi: - \regex_replacement_char:nNN + \__regex_replacement_char:nNN { \exp_not:n { \if_false: { \fi: ^^@ } } } \char_set_catcode_letter:N \^^@ - \cs_new_protected_nopar:Npn \regex_replacement_c_L:w - { \regex_replacement_char:nNN { ^^@ } } + \cs_new_protected_nopar:Npn \__regex_replacement_c_L:w + { \__regex_replacement_char:nNN { ^^@ } } \char_set_catcode_math_toggle:N \^^@ - \cs_new_protected_nopar:Npn \regex_replacement_c_M:w - { \regex_replacement_char:nNN { ^^@ } } + \cs_new_protected_nopar:Npn \__regex_replacement_c_M:w + { \__regex_replacement_char:nNN { ^^@ } } \char_set_catcode_other:N \^^@ - \cs_new_protected_nopar:Npn \regex_replacement_c_O:w - { \regex_replacement_char:nNN { ^^@ } } + \cs_new_protected_nopar:Npn \__regex_replacement_c_O:w + { \__regex_replacement_char:nNN { ^^@ } } \char_set_catcode_parameter:N \^^@ - \cs_new_protected_nopar:Npn \regex_replacement_c_P:w + \cs_new_protected_nopar:Npn \__regex_replacement_c_P:w { - \regex_replacement_char:nNN + \__regex_replacement_char:nNN { \exp_not:n { \exp_not:n { ^^@^^@^^@^^@ } } } } - \cs_new_protected:Npn \regex_replacement_c_S:w #1#2 + \cs_new_protected:Npn \__regex_replacement_c_S:w #1#2 { \if_meaning:w \prg_do_nothing: #2 - \msg_kernel_error:nn { regex } { replacement-catcode-end } + \__msg_kernel_error:nn { regex } { replacement-catcode-end } \else: - \if_num:w `#2 = \c_zero - \msg_kernel_error:nn { regex } { replacement-null-space } + \if_int_compare:w `#2 = \c_zero + \__msg_kernel_error:nn { regex } { replacement-null-space } \fi: \tex_lccode:D 32 = `#2 \scan_stop: - \tl_to_lowercase:n { \tl_build_one:n {~} } + \tl_to_lowercase:n { \__tl_build_one:n {~} } \fi: } \char_set_catcode_alignment:N \^^@ - \cs_new_protected_nopar:Npn \regex_replacement_c_T:w - { \regex_replacement_char:nNN { ^^@ } } + \cs_new_protected_nopar:Npn \__regex_replacement_c_T:w + { \__regex_replacement_char:nNN { ^^@ } } \char_set_catcode_math_superscript:N \^^@ - \cs_new_protected_nopar:Npn \regex_replacement_c_U:w - { \regex_replacement_char:nNN { ^^@ } } + \cs_new_protected_nopar:Npn \__regex_replacement_c_U:w + { \__regex_replacement_char:nNN { ^^@ } } \group_end: -\cs_new_protected:Npn \regex_replacement_error:NNN #1#2#3 +\cs_new_protected:Npn \__regex_replacement_error:NNN #1#2#3 { - \msg_kernel_error:nnx { regex } { replacement-#1 } {#3} + \__msg_kernel_error:nnx { regex } { replacement-#1 } {#3} #2 #3 } \cs_new_protected:Npn \regex_new:N #1 - { \cs_new_eq:NN #1 \c_regex_no_match_regex } + { \cs_new_eq:NN #1 \c__regex_no_match_regex } \cs_new_protected_nopar:Npn \regex_set:Nn #1#2 { - \regex_compile:n {#2} - \tl_set_eq:NN #1 \l_regex_internal_regex + \__regex_compile:n {#2} + \tl_set_eq:NN #1 \l__regex_internal_regex } \cs_new_protected_nopar:Npn \regex_gset:Nn #1#2 { - \regex_compile:n {#2} - \tl_gset_eq:NN #1 \l_regex_internal_regex + \__regex_compile:n {#2} + \tl_gset_eq:NN #1 \l__regex_internal_regex } \cs_new_protected_nopar:Npn \regex_const:Nn #1#2 { - \regex_compile:n {#2} - \tl_const:Nx #1 { \exp_not:o \l_regex_internal_regex } + \__regex_compile:n {#2} + \tl_const:Nx #1 { \exp_not:o \l__regex_internal_regex } } \cs_new_protected:Npn \regex_show:n #1 { - \regex_compile:n {#1} - \regex_show_aux:Nx \l_regex_internal_regex + \__regex_compile:n {#1} + \__regex_show:Nx \l__regex_internal_regex { { \tl_to_str:n {#1} } } } \cs_new_protected:Npn \regex_show:N #1 - { \regex_show_aux:Nx #1 { variable~\token_to_str:N #1 } } + { \__regex_show:Nx #1 { variable~\token_to_str:N #1 } } \prg_new_protected_conditional:Npnn \regex_match:nn #1#2 { T , F , TF } { - \regex_match_aux:nn { \regex_build:n {#1} } {#2} - \regex_aux_return: + \__regex_if_match:nn { \__regex_build:n {#1} } {#2} + \__regex_return: } \prg_new_protected_conditional:Npnn \regex_match:Nn #1#2 { T , F , TF } { - \regex_match_aux:nn { \regex_build:N #1 } {#2} - \regex_aux_return: + \__regex_if_match:nn { \__regex_build:N #1 } {#2} + \__regex_return: } \cs_new_protected:Npn \regex_count:nnN #1 - { \regex_count_aux:nnN { \regex_build:n {#1} } } + { \__regex_count:nnN { \__regex_build:n {#1} } } \cs_new_protected:Npn \regex_count:NnN #1 - { \regex_count_aux:nnN { \regex_build:N #1 } } -\cs_set_protected:Npn \regex_tmp:w #1#2#3 + { \__regex_count:nnN { \__regex_build:N #1 } } +\cs_set_protected:Npn \__regex_tmp:w #1#2#3 { - \cs_new_protected:Npn #2 ##1 { #1 { \regex_build:n {##1} } } - \cs_new_protected:Npn #3 ##1 { #1 { \regex_build:N ##1 } } + \cs_new_protected:Npn #2 ##1 { #1 { \__regex_build:n {##1} } } + \cs_new_protected:Npn #3 ##1 { #1 { \__regex_build:N ##1 } } \prg_new_protected_conditional:Npnn #2 ##1##2##3 { T , F , TF } - { #1 { \regex_build:n {##1} } {##2} ##3 \regex_aux_return: } + { #1 { \__regex_build:n {##1} } {##2} ##3 \__regex_return: } \prg_new_protected_conditional:Npnn #3 ##1##2##3 { T , F , TF } - { #1 { \regex_build:N ##1 } {##2} ##3 \regex_aux_return: } + { #1 { \__regex_build:N ##1 } {##2} ##3 \__regex_return: } } -\regex_tmp:w \regex_extract_once_aux:nnN +\__regex_tmp:w \__regex_extract_once:nnN \regex_extract_once:nnN \regex_extract_once:NnN -\regex_tmp:w \regex_extract_all_aux:nnN +\__regex_tmp:w \__regex_extract_all:nnN \regex_extract_all:nnN \regex_extract_all:NnN -\regex_tmp:w \regex_replace_once_aux:nnN +\__regex_tmp:w \__regex_replace_once:nnN \regex_replace_once:nnN \regex_replace_once:NnN -\regex_tmp:w \regex_replace_all_aux:nnN +\__regex_tmp:w \__regex_replace_all:nnN \regex_replace_all:nnN \regex_replace_all:NnN -\regex_tmp:w \regex_split_aux:nnN \regex_split:nnN \regex_split:NnN -\int_new:N \l_regex_match_count_int -\flag_new:n { regex_begin } -\flag_new:n { regex_end } -\int_new:N \l_regex_submatch_int -\int_new:N \l_regex_zeroth_submatch_int -\cs_new_protected_nopar:Npn \regex_aux_return: - { - \if_meaning:w \c_true_bool \g_regex_success_bool +\__regex_tmp:w \__regex_split:nnN \regex_split:nnN \regex_split:NnN +\int_new:N \l__regex_match_count_int +\flag_new:n { __regex_begin } +\flag_new:n { __regex_end } +\int_new:N \l__regex_submatch_int +\int_new:N \l__regex_zeroth_submatch_int +\cs_new_protected_nopar:Npn \__regex_return: + { + \if_meaning:w \c_true_bool \g__regex_success_bool \prg_return_true: \else: \prg_return_false: \fi: } -\cs_new_protected:Npn \regex_match_aux:nn #1#2 +\cs_new_protected:Npn \__regex_if_match:nn #1#2 { \group_begin: - \regex_disable_submatches: - \regex_single_match: + \__regex_disable_submatches: + \__regex_single_match: #1 - \regex_match:n {#2} + \__regex_match:n {#2} \group_end: } -\cs_new_protected:Npn \regex_count_aux:nnN #1#2#3 +\cs_new_protected:Npn \__regex_count:nnN #1#2#3 { \group_begin: - \regex_disable_submatches: - \int_zero:N \l_regex_match_count_int - \regex_multi_match:n { \int_incr:N \l_regex_match_count_int } + \__regex_disable_submatches: + \int_zero:N \l__regex_match_count_int + \__regex_multi_match:n { \int_incr:N \l__regex_match_count_int } #1 - \regex_match:n {#2} + \__regex_match:n {#2} \exp_args:NNNo \group_end: - \int_set:Nn #3 { \int_use:N \l_regex_match_count_int } + \int_set:Nn #3 { \int_use:N \l__regex_match_count_int } } -\cs_new_protected:Npn \regex_extract_once_aux:nnN #1#2#3 +\cs_new_protected:Npn \__regex_extract_once:nnN #1#2#3 { \group_begin: - \regex_single_match: + \__regex_single_match: #1 - \regex_match:n {#2} - \regex_extract: - \regex_group_end_extract_seq:N #3 + \__regex_match:n {#2} + \__regex_extract: + \__regex_group_end_extract_seq:N #3 } -\cs_new_protected:Npn \regex_extract_all_aux:nnN #1#2#3 +\cs_new_protected:Npn \__regex_extract_all:nnN #1#2#3 { \group_begin: - \regex_multi_match:n { \regex_extract: } + \__regex_multi_match:n { \__regex_extract: } #1 - \regex_match:n {#2} - \regex_group_end_extract_seq:N #3 + \__regex_match:n {#2} + \__regex_group_end_extract_seq:N #3 } -\cs_new_protected:Npn \regex_split_aux:nnN #1#2#3 +\cs_new_protected:Npn \__regex_split:nnN #1#2#3 { \group_begin: - \regex_multi_match:n + \__regex_multi_match:n { - \if_num:w \l_regex_start_pos_int < \l_regex_success_pos_int - \regex_extract: - \tex_skip:D \l_regex_zeroth_submatch_int - = \l_regex_start_pos_int sp - plus \tex_skip:D \l_regex_zeroth_submatch_int \scan_stop: + \if_int_compare:w \l__regex_start_pos_int < \l__regex_success_pos_int + \__regex_extract: + \tex_skip:D \l__regex_zeroth_submatch_int + = \l__regex_start_pos_int sp + plus \tex_skip:D \l__regex_zeroth_submatch_int \scan_stop: \fi: } #1 - \regex_match:n {#2} - \tex_skip:D \l_regex_submatch_int - = \l_regex_start_pos_int sp plus \l_regex_max_pos_int sp \scan_stop: - \int_incr:N \l_regex_submatch_int - \if_meaning:w \c_true_bool \l_regex_empty_success_bool - \if_num:w \l_regex_start_pos_int = \l_regex_max_pos_int - \int_decr:N \l_regex_submatch_int + \__regex_match:n {#2} + \tex_skip:D \l__regex_submatch_int + = \l__regex_start_pos_int sp plus \l__regex_max_pos_int sp \scan_stop: + \int_incr:N \l__regex_submatch_int + \if_meaning:w \c_true_bool \l__regex_empty_success_bool + \if_int_compare:w \l__regex_start_pos_int = \l__regex_max_pos_int + \int_decr:N \l__regex_submatch_int \fi: \fi: - \regex_group_end_extract_seq:N #3 + \__regex_group_end_extract_seq:N #3 } -\cs_new_protected:Npn \regex_group_end_extract_seq:N #1 +\cs_new_protected:Npn \__regex_group_end_extract_seq:N #1 { - \cs_set_eq:NN \seq_item:n \scan_stop: - \flag_clear:n { regex_begin } - \flag_clear:n { regex_end } - \tl_set:Nx \l_regex_internal_a_tl + \cs_set_eq:NN \__seq_item:n \scan_stop: + \flag_clear:n { __regex_begin } + \flag_clear:n { __regex_end } + \tl_set:Nx \l__regex_internal_a_tl { - \prg_stepwise_function:nnnN - { \c_two * \l_regex_max_state_int } + \int_step_function:nnnN + { \c_two * \l__regex_max_state_int } \c_one - { \l_regex_submatch_int - \c_one } - \regex_extract_seq_aux:n + { \l__regex_submatch_int - \c_one } + \__regex_extract_seq_aux:n } \int_compare:nNnF - { \flag_height:n { regex_begin } + \flag_height:n { regex_end } } + { \flag_height:n { __regex_begin } + \flag_height:n { __regex_end } } = \c_zero { - \msg_kernel_error:nnxxx { regex } { result-unbalanced } + \__msg_kernel_error:nnxxx { regex } { result-unbalanced } { splitting~or~extracting~submatches } - { \flag_height:n { regex_end } } - { \flag_height:n { regex_begin } } + { \flag_height:n { __regex_end } } + { \flag_height:n { __regex_begin } } } \use:x { \group_end: - \tl_set:Nn \exp_not:N #1 { \l_regex_internal_a_tl } + \tl_set:Nn \exp_not:N #1 { \l__regex_internal_a_tl } } } -\cs_new:Npn \regex_extract_seq_aux:n #1 +\cs_new:Npn \__regex_extract_seq_aux:n #1 { - \seq_item:n + \__seq_item:n { - \exp_after:wN \regex_extract_seq_aux:ww - \int_value:w \regex_submatch_balance:n {#1} ; #1; + \exp_after:wN \__regex_extract_seq_aux:ww + \__int_value:w \__regex_submatch_balance:n {#1} ; #1; } } -\cs_new:Npn \regex_extract_seq_aux:ww #1; #2; +\cs_new:Npn \__regex_extract_seq_aux:ww #1; #2; { - \if_num:w #1 < \c_zero - \flag_raise:n { regex_end } + \if_int_compare:w #1 < \c_zero + \flag_raise:n { __regex_end } \prg_replicate:nn {-#1} { \exp_not:n { { \if_false: } \fi: } } \fi: - \regex_query_submatch:n {#2} - \if_num:w #1 > \c_zero - \flag_raise:n { regex_begin } + \__regex_query_submatch:n {#2} + \if_int_compare:w #1 > \c_zero + \flag_raise:n { __regex_begin } \prg_replicate:nn {#1} { \exp_not:n { \if_false: { \fi: } } } \fi: } -\cs_new_protected_nopar:Npn \regex_extract: +\cs_new_protected_nopar:Npn \__regex_extract: { - \if_meaning:w \c_true_bool \g_regex_success_bool - \int_set_eq:NN \l_regex_zeroth_submatch_int \l_regex_submatch_int - \prg_replicate:nn \l_regex_capturing_group_int + \if_meaning:w \c_true_bool \g__regex_success_bool + \int_set_eq:NN \l__regex_zeroth_submatch_int \l__regex_submatch_int + \prg_replicate:nn \l__regex_capturing_group_int { - \tex_skip:D \l_regex_submatch_int \c_zero sp \scan_stop: - \int_incr:N \l_regex_submatch_int + \tex_skip:D \l__regex_submatch_int \c_zero sp \scan_stop: + \int_incr:N \l__regex_submatch_int } - \prop_map_inline:Nn \l_regex_success_submatches_prop + \prop_map_inline:Nn \l__regex_success_submatches_prop { - \if_num:w ##1 \c_minus_one - \exp_after:wN \regex_extract_aux_e:wn \int_value:w + \if_int_compare:w ##1 \c_minus_one + \exp_after:wN \__regex_extract_e:wn \__int_value:w \else: - \exp_after:wN \regex_extract_aux_b:wn \int_value:w + \exp_after:wN \__regex_extract_b:wn \__int_value:w \fi: - \int_eval:w \l_regex_zeroth_submatch_int + ##1 {##2} + \__int_eval:w \l__regex_zeroth_submatch_int + ##1 {##2} } - \tex_skip:D \l_regex_zeroth_submatch_int - = \tex_the:D \tex_skip:D \l_regex_zeroth_submatch_int - minus \l_regex_start_pos_int sp \scan_stop: + \tex_skip:D \l__regex_zeroth_submatch_int + = \tex_the:D \tex_skip:D \l__regex_zeroth_submatch_int + minus \l__regex_start_pos_int sp \scan_stop: \fi: } -\cs_new_protected:Npn \regex_extract_aux_b:wn #1 < #2 +\cs_new_protected:Npn \__regex_extract_b:wn #1 < #2 { \tex_skip:D #1 = #2 sp plus \etex_gluestretch:D \tex_skip:D #1 \scan_stop: } -\cs_new_protected:Npn \regex_extract_aux_e:wn #1 > #2 +\cs_new_protected:Npn \__regex_extract_e:wn #1 > #2 { \tex_skip:D #1 = 1 \tex_skip:D #1 plus #2 sp \scan_stop: } -\cs_new_protected:Npn \regex_replace_once_aux:nnN #1#2#3 +\cs_new_protected:Npn \__regex_replace_once:nnN #1#2#3 { \group_begin: - \regex_single_match: + \__regex_single_match: #1 - \regex_replacement:n {#2} - \exp_args:No \regex_match:n { #3 } - \if_meaning:w \c_false_bool \g_regex_success_bool + \__regex_replacement:n {#2} + \exp_args:No \__regex_match:n { #3 } + \if_meaning:w \c_false_bool \g__regex_success_bool \group_end: \else: - \regex_extract: - \int_set:Nn \l_regex_balance_int + \__regex_extract: + \int_set:Nn \l__regex_balance_int { - \regex_replacement_balance_one_match:n - { \l_regex_zeroth_submatch_int } + \__regex_replacement_balance_one_match:n + { \l__regex_zeroth_submatch_int } } - \tl_set:Nx \l_regex_internal_a_tl + \tl_set:Nx \l__regex_internal_a_tl { - \regex_replacement_do_one_match:n { \l_regex_zeroth_submatch_int } - \regex_query_range:nn - { \etex_gluestretch:D \tex_skip:D \l_regex_zeroth_submatch_int } - { \l_regex_max_pos_int } + \__regex_replacement_do_one_match:n { \l__regex_zeroth_submatch_int } + \__regex_query_range:nn + { \etex_gluestretch:D \tex_skip:D \l__regex_zeroth_submatch_int } + { \l__regex_max_pos_int } } - \regex_group_end_replace:N #3 + \__regex_group_end_replace:N #3 \fi: } -\cs_new_protected:Npn \regex_replace_all_aux:nnN #1#2#3 +\cs_new_protected:Npn \__regex_replace_all:nnN #1#2#3 { \group_begin: - \regex_multi_match:n { \regex_extract: } + \__regex_multi_match:n { \__regex_extract: } #1 - \regex_replacement:n {#2} - \exp_args:No \regex_match:n {#3} - \int_set:Nn \l_regex_balance_int + \__regex_replacement:n {#2} + \exp_args:No \__regex_match:n {#3} + \int_set:Nn \l__regex_balance_int { 0 - \prg_stepwise_function:nnnN - { \c_two * \l_regex_max_state_int } - \l_regex_capturing_group_int - { \l_regex_submatch_int - \c_one } - \regex_replacement_balance_one_match:n + \int_step_function:nnnN + { \c_two * \l__regex_max_state_int } + \l__regex_capturing_group_int + { \l__regex_submatch_int - \c_one } + \__regex_replacement_balance_one_match:n } - \tl_set:Nx \l_regex_internal_a_tl + \tl_set:Nx \l__regex_internal_a_tl { - \prg_stepwise_function:nnnN - { \c_two * \l_regex_max_state_int } - \l_regex_capturing_group_int - { \l_regex_submatch_int - \c_one } - \regex_replacement_do_one_match:n - \regex_query_range:nn - \l_regex_start_pos_int \l_regex_max_pos_int + \int_step_function:nnnN + { \c_two * \l__regex_max_state_int } + \l__regex_capturing_group_int + { \l__regex_submatch_int - \c_one } + \__regex_replacement_do_one_match:n + \__regex_query_range:nn + \l__regex_start_pos_int \l__regex_max_pos_int } - \regex_group_end_replace:N #3 + \__regex_group_end_replace:N #3 } -\cs_new_protected_nopar:Npn \regex_group_end_replace:N #1 +\cs_new_protected_nopar:Npn \__regex_group_end_replace:N #1 { - \if_num:w \l_regex_balance_int = \c_zero + \if_int_compare:w \l__regex_balance_int = \c_zero \else: - \msg_kernel_error:nnxxx { regex } { result-unbalanced } + \__msg_kernel_error:nnxxx { regex } { result-unbalanced } { replacing } - { \int_max:nn { - \l_regex_balance_int } { \c_zero } } - { \int_max:nn { \l_regex_balance_int } { \c_zero } } + { \int_max:nn { - \l__regex_balance_int } { \c_zero } } + { \int_max:nn { \l__regex_balance_int } { \c_zero } } \fi: \use:x { \group_end: \tl_set:Nn \exp_not:N #1 { - \if_int_compare:w \l_regex_balance_int < \c_zero - \prg_replicate:nn { - \l_regex_balance_int } + \if_int_compare:w \l__regex_balance_int < \c_zero + \prg_replicate:nn { - \l__regex_balance_int } { { \if_false: } \fi: } \fi: - \l_regex_internal_a_tl - \if_int_compare:w \l_regex_balance_int > \c_zero - \prg_replicate:nn { \l_regex_balance_int } + \l__regex_internal_a_tl + \if_int_compare:w \l__regex_balance_int > \c_zero + \prg_replicate:nn { \l__regex_balance_int } { \if_false: { \fi: } } \fi: } } } -\msg_kernel_new:nnnn { regex } { trailing-backslash } +\__msg_kernel_new:nnnn { regex } { trailing-backslash } { Trailing~escape~character~\iow_char:N\\. } { A~regular~expression~or~its~replacement~text~ends~with~ the~escape~character~\iow_char:N\\.~It~will~be~ignored. } -\msg_kernel_new:nnnn { regex } { x-missing-rbrace } +\__msg_kernel_new:nnnn { regex } { x-missing-rbrace } { Missing~closing~brace~in~\iow_char:N\\x~hexadecimal~sequence. } { You~wrote~something~like~ `\iow_char:N\\x\{\int_to_hexadecimal:n{#1}'.~ The~closing~brace~is~missing. } -\msg_kernel_new:nnnn { regex } { x-overflow } +\__msg_kernel_new:nnnn { regex } { x-overflow } { Character~code~'#1'~too~large~in~\iow_char:N\\x~hexadecimal~sequence. } { You~wrote~something~like~ `\iow_char:N\\x\{\int_to_hexadecimal:n{#1}\}'.~ The~character~code~'#1'~is~larger~than~\int_use:N \c_max_char_int. } -\msg_kernel_new:nnnn { regex } { invalid-quantifier } +\__msg_kernel_new:nnnn { regex } { invalid-quantifier } { Braced~quantifier~'#1'~may~not~be~followed~by~'#2'. } { The~character~'#2'~is~invalid~in~the~braced~quantifier~'#1'.~ The~only~valid~quantifiers~are~'*',~'?',~'+',~'{<int>}',~ '{<min>,}'~and~'{<min>,<max>}',~followed~or~not~by~'?'. } -\msg_kernel_new:nnnn { regex } { missing-rbrack } +\__msg_kernel_new:nnnn { regex } { missing-rbrack } { Missing~right~bracket~inserted~in~regular~expression. } { LaTeX~was~given~a~regular~expression~where~a~character~class~ was~started~with~'[',~but~the~matching~']'~is~missing. } -\msg_kernel_new:nnnn { regex } { missing-rparen } +\__msg_kernel_new:nnnn { regex } { missing-rparen } { Missing~right~parenthes\int_compare:nTF{#1=1}{i}{e}s~ inserted~in~regular~expression. @@ -2624,44 +2632,44 @@ more~left~parenthes\int_compare:nTF{#1=1}{i}{e}s~than~right~ parenthes\int_compare:nTF{#1=1}{i}{e}s. } -\msg_kernel_new:nnnn { regex } { extra-rparen } +\__msg_kernel_new:nnnn { regex } { extra-rparen } { Extra~right~parenthesis~ignored~in~regular~expression. } { LaTeX~came~across~a~closing~parenthesis~when~no~submatch~group~ was~open.~The~parenthesis~will~be~ignored. } -\msg_kernel_new:nnnn { regex } { bad-escape } +\__msg_kernel_new:nnnn { regex } { bad-escape } { Invalid~escape~\c_backslash_str #1~ - \regex_if_in_cs:TF { within~a~control~sequence. } + \__regex_if_in_cs:TF { within~a~control~sequence. } { - \regex_if_in_class:TF + \__regex_if_in_class:TF { in~a~character~class. } { following~a~category~test. } } } { The~escape~sequence~\iow_char:N\\#1~may~not~appear~ - \regex_if_in_cs:TF + \__regex_if_in_cs:TF { within~a~control~sequence~test~introduced~by~ \iow_char:N\\c\iow_char:N\{. } { - \regex_if_in_class:TF + \__regex_if_in_class:TF { within~a~character~class~ } { following~a~category~test~such~as~\iow_char:N\\cL~ } because~it~does~not~match~exactly~one~character. } } -\msg_kernel_new:nnnn { regex } { range-missing-end } +\__msg_kernel_new:nnnn { regex } { range-missing-end } { Invalid~end-point~for~range~'#1-#2'~in~character~class. } { The~end-point~'#2'~of~the~range~'#1-#2'~may~not~serve~as~an~ end-point~for~a~range:~alphanumeric~characters~should~not~be~ escaped,~and~non-alphanumeric~characters~should~be~escaped. } -\msg_kernel_new:nnnn { regex } { range-backwards } +\__msg_kernel_new:nnnn { regex } { range-backwards } { Range~[#1-#2]~out~of~order~in~character~class. } { In~ranges~of~characters~[x-y]~appearing~in~character~classes,~ @@ -2669,27 +2677,27 @@ Here,~#1~has~character~code~\int_eval:n {`#1},~while~#2~has~ character~code~\int_eval:n {`#2}. } -\msg_kernel_new:nnnn { regex } { c-bad-mode } +\__msg_kernel_new:nnnn { regex } { c-bad-mode } { Invalid~nested~\iow_char:N\\c~escape~in~regular~expression. } { The~\iow_char:N\\c~escape~cannot~be~used~within~ a~control~sequence~test~'\iow_char:N\\c{...}'.~ To~combine~several~category~tests,~use~'\iow_char:N\\c[...]'. } -\msg_kernel_new:nnnn { regex } { c-missing-rbrace } +\__msg_kernel_new:nnnn { regex } { c-missing-rbrace } { Missing~right~brace~inserted~for~\iow_char:N\\c~escape. } { LaTeX~was~given~a~regular~expression~where~a~ '\iow_char:N\\c\iow_char:N\{...'~construction~was~not~ended~ with~a~closing~brace~'\iow_char:N\}'. } -\msg_kernel_new:nnnn { regex } { c-missing-rbrack } +\__msg_kernel_new:nnnn { regex } { c-missing-rbrack } { Missing~right~bracket~inserted~for~\iow_char:N\\c~escape. } { A~construction~'\iow_char:N\\c[...'~appears~in~a~ regular~expression,~but~the~closing~']'~is~not~present. } -\msg_kernel_new:nnnn { regex } { c-missing-category } +\__msg_kernel_new:nnnn { regex } { c-missing-category } { Invalid~character~'#1'~following~\iow_char:N\\c~escape. } { In~regular~expressions,~the~\iow_char:N\\c~escape~sequence~ @@ -2697,29 +2705,29 @@ capital~letter~representing~a~character~category,~namely~ one~of~ABCDELMOPSTU. } -\msg_kernel_new:nnnn { regex } { u-missing-lbrace } +\__msg_kernel_new:nnnn { regex } { u-missing-lbrace } { Missing~left~brace~following~\iow_char:N\\u~escape. } { The~\iow_char:N\\u~escape~sequence~must~be~followed~by~ a~brace~group~with~the~name~of~the~variable~to~use. } -\msg_kernel_new:nnnn { regex } { u-missing-rbrace } +\__msg_kernel_new:nnnn { regex } { u-missing-rbrace } { Missing~right~brace~inserted~for~\iow_char:N\\u~escape. } { LaTeX~ - \tl_if_empty:xTF {#2} + \str_if_eq_x:nnTF { } {#2} { reached~the~end~of~the~string~ } { encountered~an~escaped~alphanumeric~character '\iow_char:N\\#2'~ } when~parsing~the~argument~of~an~'\iow_char:N\\u\iow_char:N\{...\}'~escape. } -\msg_kernel_new:nnnn { regex } { posix-unsupported } +\__msg_kernel_new:nnnn { regex } { posix-unsupported } { POSIX~collating~element~'[#1 ~ #1]'~not~supported. } { The~[.foo.]~and~[=bar=]~syntaxes~have~a~special~meaning~in~POSIX~ regular~expressions.~This~is~not~supported~by~LaTeX.~Maybe~you~ forgot~to~escape~a~left~bracket~in~a~character~class? } -\msg_kernel_new:nnnn { regex } { posix-unknown } +\__msg_kernel_new:nnnn { regex } { posix-unknown } { POSIX~class~[:#1:]~unknown. } { [:#1:]~is~not~among~the~known~POSIX~classes~ @@ -2728,10 +2736,10 @@ [:print:],~[:punct:],~[:space:],~[:upper:],~ [:word:],~and~[:xdigit:]. } -\msg_kernel_new:nnnn { regex } { posix-missing-close } +\__msg_kernel_new:nnnn { regex } { posix-missing-close } { Missing~closing~':]'~for~POSIX~class. } { The~POSIX~syntax~'#1'~must~be~followed~by~':]',~not~'#2'. } -\msg_kernel_new:nnnn { regex } { result-unbalanced } +\__msg_kernel_new:nnnn { regex } { result-unbalanced } { Missing~brace~inserted~when~#1. } { LaTeX~was~asked~to~do~some~regular~expression~operation,~ @@ -2739,34 +2747,34 @@ of~begin-group~and~end-group~tokens.~Braces~were~inserted:~ #2~left,~#3~right. } -\msg_kernel_new:nnnn { regex } { unknown-option } +\__msg_kernel_new:nnnn { regex } { unknown-option } { Unknown~option~`#1'~for~regular~expressions. } { The~only~available~option~is~'case-insensitive',~toggled~by~ '(?i)'~and~'(?-i)'. } -\msg_kernel_new:nnnn { regex } { replacement-c } +\__msg_kernel_new:nnnn { regex } { replacement-c } { Misused~\iow_char:N\\c~command~in~a~replacement~text. } { In~a~replacement~text,~the~\iow_char:N\\c~escape~sequence~ can~be~followed~by~one~of~the~letters~ABCDELMOPSTU~ or~a~brace~group,~not~by~'#1'. } -\msg_kernel_new:nnnn { regex } { replacement-u } +\__msg_kernel_new:nnnn { regex } { replacement-u } { Misused~\iow_char:N\\u~command~in~a~replacement~text. } { In~a~replacement~text,~the~\iow_char:N\\u~escape~sequence~ must~be~~followed~by~a~brace~group~holding~the~name~of~the~ variable~to~use. } -\msg_kernel_new:nnnn { regex } { replacement-g } +\__msg_kernel_new:nnnn { regex } { replacement-g } { Missing~brace~for~the~\iow_char:N\\g~construction~in~a~replacement~text. } { In~the~replacement~text~for~a~regular~expression~search,~ submatches~are~represented~either~as~\iow_char:N \\g{dd..d},~ or~\\d,~where~`d'~are~single~digits.~Here,~a~brace~is~missing. } -\msg_kernel_new:nnnn { regex } { replacement-catcode-end } +\__msg_kernel_new:nnnn { regex } { replacement-catcode-end } { Missing~character~for~the~\iow_char:N\\c<category><character>~ construction~in~a~replacement~text. @@ -2777,7 +2785,7 @@ the~character~category.~Then,~a~character~must~follow.~LaTeX~ reached~the~end~of~the~replacement~when~looking~for~that. } -\msg_kernel_new:nnnn { regex } { replacement-null-space } +\__msg_kernel_new:nnnn { regex } { replacement-null-space } { TeX~cannot~build~a~space~token~with~character~code~0. } { You~asked~for~a~character~token~with~category~'space',~ @@ -2786,18 +2794,18 @@ This~specific~case~is~impossible~and~will~be~replaced~ by~a~normal~space. } -\msg_kernel_new:nnnn { regex } { replacement-missing-rbrace } +\__msg_kernel_new:nnnn { regex } { replacement-missing-rbrace } { Missing~right~brace~inserted~in~replacement~text. } { - There~were~\int_use:N \l_regex_replacement_csnames_int \ + There~were~\int_use:N \l__regex_replacement_csnames_int \ missing~right~braces. } -\cs_new:Npn \regex_msg_repeated:nnN #1#2#3 +\cs_new:Npn \__regex_msg_repeated:nnN #1#2#3 { - \str_if_eq:xxF { #1 #2 } { 1 0 } + \str_if_eq_x:nnF { #1 #2 } { 1 0 } { , ~ repeated ~ - \prg_case_int:nnn {#2} + \int_case:nnn {#2} { { -1 } { #1~or~more~times,~\bool_if:NTF #3 { lazy } { greedy } } { 0 } { #1~times } @@ -2808,12 +2816,12 @@ } } } -\cs_new_protected:Npn \regex_trace_states:n #1 +\cs_new_protected:Npn \__regex_trace_states:n #1 { - \prg_stepwise_inline:nnnn - \l_regex_min_state_int + \int_step_inline:nnnn + \l__regex_min_state_int \c_one - { \l_regex_max_state_int - 1 } + { \l__regex_max_state_int - 1 } { \trace:nnx { regex } { #1 } { \iow_char:N \\toks ##1 = { \tex_the:D \tex_toks:D ##1 } } |