diff options
Diffstat (limited to 'Master/texmf-dist/tex/latex/l3kernel/l3file.sty')
-rw-r--r-- | Master/texmf-dist/tex/latex/l3kernel/l3file.sty | 568 |
1 files changed, 507 insertions, 61 deletions
diff --git a/Master/texmf-dist/tex/latex/l3kernel/l3file.sty b/Master/texmf-dist/tex/latex/l3kernel/l3file.sty index f79666e640a..25eda0dc609 100644 --- a/Master/texmf-dist/tex/latex/l3kernel/l3file.sty +++ b/Master/texmf-dist/tex/latex/l3kernel/l3file.sty @@ -13,7 +13,7 @@ %% %% Do not distribute a modified version of this file. %% -%% File: l3file.dtx Copyright (C) 2009-2012 The LaTeX3 Project +%% File: l3file.dtx Copyright (C) 1990-2012 The LaTeX3 Project %% %% It may be distributed and/or modified under the conditions of the %% LaTeX Project Public License (LPPL), either version 1.3c of this @@ -46,8 +46,8 @@ %% %% ----------------------------------------------------------------------- \RequirePackage{l3names} -\GetIdInfo$Id: l3file.dtx 3287 2012-01-31 22:08:14Z joseph $ - {L3 Experimental file operations} +\GetIdInfo$Id: l3file.dtx 3464 2012-02-26 15:30:29Z bruno $ + {L3 Experimental file and I/O operations} \ProvidesExplPackage {\ExplFileName}{\ExplFileDate}{\ExplFileVersion}{\ExplFileDescription} \package_check_loaded_expl: @@ -59,19 +59,27 @@ \seq_new:N \l_file_search_path_seq \seq_new:N \l_file_internal_saved_path_seq \seq_new:N \l_file_internal_seq -\ior_new:N \g_file_internal_ior -\cs_new_protected:Npn \file_add_path:nN #1 +\cs_new_protected:Npn \file_name_sanitize:nn #1#2 { \group_begin: - \tl_to_str_active_safe:Nx \l_file_internal_name_tl {#1} - \tl_if_in:NnT \l_file_internal_name_tl { ~ } + \seq_map_inline:Nn \l_char_active_seq + { \cs_set_nopar:Npx ##1 { \token_to_str:N ##1 } } + \tl_set:Nx \l_file_internal_name_tl {#1} + \tl_set:Nx \l_file_internal_name_tl + { \tl_to_str:N \l_file_internal_name_tl } + \tl_if_in:NnTF \l_file_internal_name_tl { ~ } { - \msg_kernel_error:nnx { io } { space-in-file-name } + \msg_kernel_error:nnx { file } { space-in-file-name } { \l_file_internal_name_tl } } - \exp_args:NNo \group_end: - \file_add_path_aux:nN \l_file_internal_name_tl + \use:x + { + \group_end: + \exp_not:n {#2} { \l_file_internal_name_tl } + } } +\cs_new_protected:Npn \file_add_path:nN #1 + { \file_name_sanitize:nn {#1} { \file_add_path_aux:nN } } \cs_new_protected:Npn \file_add_path_aux:nN #1#2 { \ior_open_unsafe:Nn \g_file_internal_ior {#1} @@ -84,7 +92,7 @@ } \cs_new_protected:Npn \file_add_path_search:nN #1#2 { - \tl_clear:N #2 + \tl_set:Nn #2 { \q_no_value } \cs_if_exist:NT \input@path { \seq_set_eq:NN \l_file_internal_saved_path_seq \l_file_search_path_seq @@ -105,91 +113,529 @@ { \seq_set_eq:NN \l_file_search_path_seq \l_file_internal_saved_path_seq } \ior_close:N \g_file_internal_ior } -\prg_new_protected_conditional:Nnn \file_if_exist:n { T , F , TF } +\prg_new_protected_conditional:Npnn \file_if_exist:n #1 { T , F , TF } { \file_add_path:nN {#1} \l_file_internal_name_tl - \tl_if_empty:NTF \l_file_internal_name_tl + \quark_if_no_value:NTF \l_file_internal_name_tl { \prg_return_false: } { \prg_return_true: } } \cs_new_protected:Npn \file_input:n #1 { \file_add_path:nN {#1} \l_file_internal_name_tl - \tl_if_empty:NF \l_file_internal_name_tl + \quark_if_no_value:NTF \l_file_internal_name_tl + { \file_name_sanitize:nn {#1} { \file_input_error:n } } + { \file_input_aux:V \l_file_internal_name_tl } + } +\cs_new_protected:Npn \file_input_aux:n #1 + { + \@addtofilelist {#1} + \seq_gpush:Nn \g_file_stack_seq \g_file_current_name_tl + \tl_gset:Nn \g_file_current_name_tl {#1} + \tex_input:D #1 \c_space_tl + \seq_gpop:NN \g_file_stack_seq \g_file_current_name_tl + } +\cs_generate_variant:Nn \file_input_aux:n { V } +\cs_new_protected:Npn \file_input_error:n #1 + { \msg_kernel_error:nnx { file } { file-not-found } {#1} } +\cs_new_protected:Npn \file_path_include:n #1 + { + \seq_if_in:NnF \l_file_search_path_seq {#1} + { \seq_put_right:Nn \l_file_search_path_seq {#1} } + } +\cs_new_protected:Npn \file_path_remove:n #1 + { \seq_remove_all:Nn \l_file_search_path_seq {#1} } +\cs_new_protected_nopar:Npn \file_list: + { + \seq_remove_duplicates:N \g_file_record_seq + \iow_log:n { *~File~List~* } + \seq_map_inline:Nn \g_file_record_seq { \iow_log:n {##1} } + \iow_log:n { ************* } + } +\AtBeginDocument + { + \seq_set_from_clist:NN \l_file_internal_seq \@filelist + \seq_gconcat:NNN \g_file_record_seq \g_file_record_seq \l_file_internal_seq + } +\cs_new_eq:NN \c_term_ior \c_sixteen +\cs_new_eq:NN \c_log_iow \c_minus_one +\cs_new_eq:NN \c_term_iow \c_sixteen +\tl_const:Nn \c_iow_streams_tl + { + \c_zero + \c_one + \c_two + \c_three + \c_four + \c_five + \c_six + \c_seven + \c_eight + \c_nine + \c_ten + \c_eleven + \c_twelve + \c_thirteen + \c_fourteen + \c_fifteen + } +\cs_new_eq:NN \c_ior_streams_tl \c_iow_streams_tl +\prop_new:N \g_iow_streams_prop +\prop_new:N \g_ior_streams_prop +\prop_put:Nnn \g_iow_streams_prop { 0 } { LaTeX2e~reserved } +\prop_put:Nnn \g_iow_streams_prop { 1 } { LaTeX2e~reserved } +\prop_put:Nnn \g_iow_streams_prop { 2 } { LaTeX2e~reserved } +\prop_put:Nnn \g_ior_streams_prop { 0 } { LaTeX2e~reserved } +\int_new:N \l_iow_stream_int +\cs_new_eq:NN \l_ior_stream_int \l_iow_stream_int +\cs_set_eq:NN \iow_raw_new:N \newwrite +\cs_set_eq:NN \ior_raw_new:N \newread +\cs_generate_variant:Nn \ior_raw_new:N { c } +\cs_generate_variant:Nn \iow_raw_new:N { c } +\cs_new_protected:Npn \ior_new:N #1 { \cs_new_eq:NN #1 \c_term_ior } +\cs_generate_variant:Nn \ior_new:N { c } +\cs_new_protected:Npn \iow_new:N #1 { \cs_new_eq:NN #1 \c_term_iow } +\cs_generate_variant:Nn \iow_new:N { c } +\ior_new:N \g_file_internal_ior +\cs_new_protected:Npn \ior_open:Nn #1#2 + { \file_name_sanitize:nn {#2} { \ior_open_aux:Nn #1 } } +\cs_generate_variant:Nn \ior_open:Nn { c } +\cs_new_protected:Npn \iow_open:Nn #1#2 + { \file_name_sanitize:nn {#2} { \iow_open_unsafe:Nn #1 } } +\cs_generate_variant:Nn \iow_open:Nn { c } +\cs_new_protected:Npn \ior_open_aux:Nn #1#2 + { + \file_add_path:nN {#2} \l_file_name_internal_tl + \quark_if_no_value:NTF \l_file_internal_name_tl + { \file_input_error:n {#2} } + { \ior_open_unsafe:No #1 \l_file_name_internal_tl } + } +\prg_new_protected_conditional:Npnn \ior_open:Nn #1#2 { T , F , TF } + { \file_name_sanitize:nn {#2} { \ior_open_aux:NnTF #1 } } +\cs_new_protected:Npn \ior_open_aux:NnTF #1#2 + { + \file_add_path:nN {#2} \l_file_name_internal_tl + \quark_if_no_value:NTF \l_file_internal_name_tl + { \prg_return_false: } { - \@addtofilelist {#1} - \seq_gpush:NV \g_file_stack_seq \g_file_current_name_tl - \tl_gset:Nn \g_file_current_name_tl {#1} - \exp_after:wN \tex_input:D \l_file_internal_name_tl \c_space_tl - \seq_gpop:NN \g_file_stack_seq \g_file_current_name_tl + \ior_open_unsafe:No #1 \l_file_name_internal_tl + \prg_return_true: } } -\cs_new_protected:Npn \file_split_path_name_ext:nNNN #1 +\cs_generate_variant:Nn \ior_open:NnT { c } +\cs_generate_variant:Nn \ior_open:NnF { c } +\cs_generate_variant:Nn \ior_open:NnTF { c } +\cs_new_protected:Npn \ior_open_unsafe:Nn #1#2 { - \group_begin: - \tl_to_str_active_safe:Nx \l_file_internal_name_tl {#1} - \tl_if_in:NnT \l_file_internal_name_tl { ~ } - { - \msg_kernel_error:nnx { io } { space-in-file-name } - { \l_file_internal_name_tl } - } - \exp_args:NNo \group_end: - \file_split_path_name_ext_aux:nNNN \l_file_internal_name_tl + \ior_close:N #1 + \int_set:Nn \l_ior_stream_int \c_sixteen + \tl_map_function:NN \c_ior_streams_tl \ior_alloc_read:n + \int_compare:nNnTF \l_ior_stream_int = \c_sixteen + { \msg_kernel_fatal:nn { ior } { streams-exhausted } } + { + \ior_stream_alloc:N #1 + \prop_gput:NVn \g_ior_streams_prop \l_ior_stream_int {#2} + \tex_openin:D #1#2 \scan_stop: + } } -\cs_new_protected:Npn \file_split_path_name_ext_aux:nNNN #1#2#3#4 +\cs_generate_variant:Nn \ior_open_unsafe:Nn { No } +\cs_new_protected:Npn \iow_open_unsafe:Nn #1#2 { - \tl_clear:N #2 - \tl_clear:N #3 - \file_split_path:wNNN #1 / \q_nil / \q_stop #2#3#4 + \iow_close:N #1 + \int_set:Nn \l_iow_stream_int \c_sixteen + \tl_map_function:NN \c_iow_streams_tl \iow_alloc_write:n + \int_compare:nNnTF \l_iow_stream_int = \c_sixteen + { \msg_kernel_fatal:nn { iow } { streams-exhausted } } + { + \iow_stream_alloc:N #1 + \prop_gput:NVn \g_iow_streams_prop \l_iow_stream_int {#2} + \tex_immediate:D \tex_openout:D #1#2 \scan_stop: + } } -\cs_new_protected:Npn \file_split_path:wNNN #1 / #2 / #3 \q_stop #4 +\cs_new_protected:Npn \iow_alloc_write:n #1 { - \quark_if_nil:nTF {#2} - { \file_split_name_ext:wNN #1 . \q_nil . \q_stop } + \prop_if_in:NnF \g_iow_streams_prop {#1} { - \tl_put_right:Nn #4 { #1 / } - \file_split_path:wNNN #2 / #3 \q_stop #4 + \int_set:Nn \l_iow_stream_int {#1} + \tl_map_break: } } -\cs_new_protected:Npn \file_split_name_ext:wNN #1 . #2 . #3 \q_stop #4#5 +\cs_new_protected:Npn \ior_alloc_read:n #1 { - \quark_if_nil:nTF {#2} + \prop_if_in:NnF \g_iow_streams_prop {#1} { - \tl_if_empty:NTF #4 + \int_set:Nn \l_ior_stream_int {#1} + \tl_map_break: + } + } +\iow_new:N \g_iow_internal_iow +\ior_new:N \g_ior_internal_ior +\cs_new_protected:Npn \iow_stream_alloc:N #1 + { + \cs_if_exist:cTF { g_iow_ \int_use:N \l_iow_stream_int _iow } + { \cs_gset_eq:Nc #1 { g_iow_ \int_use:N \l_iow_stream_int _iow } } + { + \iow_stream_alloc_aux: + \int_compare:nNnT \l_iow_stream_int = \c_sixteen { - \tl_set:Nn #4 {#1} - \tl_clear:N #5 + \iow_raw_new:N \g_iow_internal_iow + \int_set:Nn \l_iow_stream_int { \g_iow_internal_iow } + \cs_gset_eq:cN + { g_iow_ \int_use:N \l_iow_stream_int _iow } \g_iow_internal_iow } - { \tl_set:Nn #5 {#1} } + \cs_gset_eq:Nc #1 { g_iow_ \int_use:N \l_iow_stream_int _iow } + } + } +\cs_new_protected_nopar:Npn \iow_stream_alloc_aux: + { + \int_incr:N \l_iow_stream_int + \int_compare:nNnT \l_iow_stream_int < \c_sixteen + { + \cs_if_exist:cTF { g_iow_ \int_use:N \l_iow_stream_int _iow } + { + \prop_if_in:NVT \g_iow_streams_prop \l_iow_stream_int + { \iow_stream_alloc_aux: } + } + { \iow_stream_alloc_aux: } } + } +\cs_new_protected:Npn \ior_stream_alloc:N #1 + { + \cs_if_exist:cTF { g_ior_ \int_use:N \l_ior_stream_int _ior } + { \cs_gset_eq:Nc #1 { g_ior_ \int_use:N \l_ior_stream_int _ior } } { - \tl_put_right:Nx #4 + \ior_stream_alloc_aux: + \int_compare:nNnT \l_ior_stream_int = \c_sixteen { - \tl_if_empty:NF #4 { . } - #1 + \ior_raw_new:N \g_ior_internal_ior + \int_set:Nn \l_ior_stream_int { \g_ior_internal_ior } + \cs_gset_eq:cN + { g_ior_ \int_use:N \l_iow_stream_int _ior } \g_ior_internal_ior } - \file_split_name_ext:wNN #2 . #3 \q_stop #4#5 + \cs_gset_eq:Nc #1 { g_ior_ \int_use:N \l_ior_stream_int _ior } } } -\cs_new_protected:Npn \file_path_include:n #1 +\cs_new_protected_nopar:Npn \ior_stream_alloc_aux: { - \seq_if_in:NnF \l_file_search_path_seq {#1} - { \seq_put_right:Nn \l_file_search_path_seq {#1} } + \int_incr:N \l_ior_stream_int + \int_compare:nNnT \l_ior_stream_int < \c_sixteen + { + \cs_if_exist:cTF { g_ior_ \int_use:N \l_ior_stream_int _ior } + { + \prop_if_in:NVT \g_ior_streams_prop \l_ior_stream_int + { \ior_stream_alloc_aux: } + } + { \ior_stream_alloc_aux: } + } } -\cs_new_protected:Npn \file_path_remove:n #1 - { \seq_remove_all:Nn \l_file_search_path_seq {#1} } -\cs_new_protected_nopar:Npn \file_list: +\cs_new_protected:Npn \ior_close:N #1 { - \seq_remove_duplicates:N \g_file_record_seq - \iow_log:n { *~File~List~* } - \seq_map_inline:Nn \g_file_record_seq { \iow_log:n {##1} } - \iow_log:n { ************* } + \cs_if_exist:NT #1 + { + \int_compare:nNnF #1 = \c_minus_one + { + \int_compare:nNnF #1 = \c_sixteen + { \tex_closein:D #1 } + \prop_gdel:NV \g_ior_streams_prop #1 + \cs_gset_eq:NN #1 \c_term_ior + } + } } -\AtBeginDocument +\cs_new_protected:Npn \iow_close:N #1 { - \seq_set_from_clist:NN \l_file_internal_seq \@filelist - \seq_gconcat:NNN \g_file_record_seq \g_file_record_seq \l_file_internal_seq + \cs_if_exist:NT #1 + { + \int_compare:nNnF #1 = \c_minus_one + { + \int_compare:nNnF #1 = \c_sixteen + { \tex_closein:D #1 } + \prop_gdel:NV \g_iow_streams_prop #1 + \cs_gset_eq:NN #1 \c_term_iow + } + } + } +\cs_generate_variant:Nn \ior_close:N { c } +\cs_generate_variant:Nn \iow_close:N { c } +\cs_new_protected_nopar:Npn \ior_list_streams: + { \ior_list_streams_aux:Nn \g_ior_streams_prop { ior } } +\cs_new_protected_nopar:Npn \iow_list_streams: + { \ior_list_streams_aux:Nn \g_iow_streams_prop { iow } } +\cs_new_protected:Npn \ior_list_streams_aux:Nn #1#2 + { + \msg_aux_use:nn { LaTeX / #2 } + { \prop_if_empty:NTF #1 { show-no-stream } { show-open-streams } } + \msg_aux_show:x + { \prop_map_function:NN #1 \msg_aux_show_unbraced:nn } + } +\msg_kernel_new:nnnn { iow } { streams-exhausted } + { Output~streams~exhausted } + { + TeX~can~only~open~up~to~16~output~streams~at~one~time.\\ + All~16 are currently~in~use,~and~something~wanted~to~open + another~one. + } +\msg_kernel_new:nnnn { ior } { streams-exhausted } + { Input~streams~exhausted } + { + TeX~can~only~open~up~to~16~input~streams~at~one~time.\\ + All~16 are currently~in~use,~and~something~wanted~to~open + another~one. + } +\cs_new_eq:NN \iow_shipout_x:Nn \tex_write:D +\cs_generate_variant:Nn \iow_shipout_x:Nn { Nx } +\cs_new_protected:Npn \iow_shipout:Nn #1#2 + { \iow_shipout_x:Nn #1 { \exp_not:n {#2} } } +\cs_generate_variant:Nn \iow_shipout:Nn { Nx } +\cs_new_protected_nopar:Npn \iow_now:Nx { \tex_immediate:D \iow_shipout_x:Nn } +\cs_new_protected:Npn \iow_now:Nn #1#2 + { \iow_now:Nx #1 { \exp_not:n {#2} } } +\cs_set_protected_nopar:Npn \iow_log:x { \iow_now:Nx \c_log_iow } +\cs_new_protected_nopar:Npn \iow_log:n { \iow_now:Nn \c_log_iow } +\cs_set_protected_nopar:Npn \iow_term:x { \iow_now:Nx \c_term_iow } +\cs_new_protected_nopar:Npn \iow_term:n { \iow_now:Nn \c_term_iow } +\cs_new_nopar:Npn \iow_newline: { ^^J } +\cs_new_eq:NN \iow_char:N \cs_to_str:N +\int_new:N \l_iow_line_length_int +\int_set:Nn \l_iow_line_length_int { 78 } +\int_new:N \l_iow_target_length_int +\int_new:N \l_iow_current_line_int +\int_new:N \l_iow_current_word_int +\int_new:N \l_iow_current_indentation_int +\tl_new:N \l_iow_current_line_tl +\tl_new:N \l_iow_current_word_tl +\tl_new:N \l_iow_current_indentation_tl +\tl_new:N \l_iow_wrap_tl +\tl_new:N \l_iow_wrapped_tl +\bool_new:N \l_iow_line_start_bool +\group_begin: + \char_set_catcode_other:N \* + \char_set_lccode:nn {`\*} {`\ } + \tl_to_lowercase:n { \tl_const:Nn \c_catcode_other_space_tl { * } } +\group_end: +\group_begin: + \int_set_eq:NN \tex_escapechar:D \c_minus_one + \tl_const:Nx \c_iow_wrap_marker_tl + { \tl_to_str:n { \^^I \^^O \^^W \^^_ \^^W \^^R \^^A \^^P } } + \cs_set:Npn \iow_wrap_new_marker:n #1 + { + \tl_const:cx { c_iow_wrap_ #1 _marker_tl } + { + \c_catcode_other_space_tl + \c_iow_wrap_marker_tl + \c_catcode_other_space_tl + #1 + \c_catcode_other_space_tl + } + } + \iow_wrap_new_marker:n { end } + \iow_wrap_new_marker:n { newline } + \iow_wrap_new_marker:n { indent } + \iow_wrap_new_marker:n { unindent } +\group_end: +\cs_new_protected:Npn \iow_indent:n #1 { } +\cs_new:Npx \iow_indent_expandable:n #1 + { + \c_iow_wrap_indent_marker_tl + #1 + \c_iow_wrap_unindent_marker_tl + } +\cs_new_protected:Npn \iow_wrap:xnnnN #1#2#3#4#5 + { + \group_begin: + \int_set:Nn \l_iow_target_length_int { \l_iow_line_length_int - ( #3 ) } + \int_zero:N \l_iow_current_indentation_int + \tl_clear:N \l_iow_current_indentation_tl + \int_zero:N \l_iow_current_line_int + \tl_clear:N \l_iow_current_line_tl + \tl_clear:N \l_iow_wrap_tl + \bool_set_true:N \l_iow_line_start_bool + \int_set_eq:NN \tex_escapechar:D \c_minus_one + \cs_set_nopar:Npx \{ { \token_to_str:N \{ } + \cs_set_nopar:Npx \# { \token_to_str:N \# } + \cs_set_nopar:Npx \} { \token_to_str:N \} } + \cs_set_nopar:Npx \% { \token_to_str:N \% } + \cs_set_nopar:Npx \~ { \token_to_str:N \~ } + \int_set:Nn \tex_escapechar:D { 92 } + \cs_set_eq:NN \\ \c_iow_wrap_newline_marker_tl + \cs_set_eq:NN \ \c_catcode_other_space_tl + \cs_set_eq:NN \iow_indent:n \iow_indent_expandable:n + #4 + \protected@edef \l_iow_wrap_tl {#1} + \cs_set:Npn \\ { \iow_newline: #2 } + \use:x + { + \iow_wrap_loop:w + \tl_to_str:N \l_iow_wrap_tl + \tl_to_str:N \c_iow_wrap_end_marker_tl + \c_space_tl \c_space_tl + \exp_not:N \q_stop + } + \exp_args:NNo \group_end: + #5 \l_iow_wrapped_tl + } +\cs_new_protected:Npn \iow_wrap_loop:w #1 ~ % + { + \tl_set:Nn \l_iow_current_word_tl {#1} + \tl_if_eq:NNTF \l_iow_current_word_tl \c_iow_wrap_marker_tl + { \iow_wrap_special:w } + { \iow_wrap_word: } + } +\cs_new_protected_nopar:Npn \iow_wrap_word: + { + \int_set:Nn \l_iow_current_word_int + { \str_length_skip_spaces:N \l_iow_current_word_tl } + \int_add:Nn \l_iow_current_line_int { \l_iow_current_word_int } + \int_compare:nNnTF \l_iow_current_line_int < \l_iow_target_length_int + { \iow_wrap_word_fits: } + { \iow_wrap_word_newline: } + \iow_wrap_loop:w + } +\cs_new_protected_nopar:Npn \iow_wrap_word_fits: + { + \bool_if:NTF \l_iow_line_start_bool + { + \bool_set_false:N \l_iow_line_start_bool + \tl_put_right:Nx \l_iow_current_line_tl + { \l_iow_current_indentation_tl \l_iow_current_word_tl } + \int_add:Nn \l_iow_current_line_int + { \l_iow_current_indentation_int } + } + { + \tl_put_right:Nx \l_iow_current_line_tl + { ~ \l_iow_current_word_tl } + \int_incr:N \l_iow_current_line_int + } + } +\cs_new_protected_nopar:Npn \iow_wrap_word_newline: + { + \tl_put_right:Nx \l_iow_wrapped_tl + { \l_iow_current_line_tl \\ } + \int_set:Nn \l_iow_current_line_int + { + \l_iow_current_word_int + + \l_iow_current_indentation_int + } + \tl_set:Nx \l_iow_current_line_tl + { \l_iow_current_indentation_tl \l_iow_current_word_tl } + } +\cs_new_protected:Npn \iow_wrap_special:w #1 ~ #2 ~ #3 ~ % + { + \use:c { iow_wrap_#1: } + \str_if_eq:xxTF { #2~#3 } { ~ \c_iow_wrap_marker_tl } + { \iow_wrap_special:w } + { \iow_wrap_loop:w #2 ~ #3 ~ } + } +\cs_new_protected_nopar:Npn \iow_wrap_newline: + { + \tl_put_right:Nx \l_iow_wrapped_tl + { \l_iow_current_line_tl \\ } + \int_zero:N \l_iow_current_line_int + \tl_clear:N \l_iow_current_line_tl + \bool_set_true:N \l_iow_line_start_bool + } +\cs_new_protected_nopar:Npx \iow_wrap_indent: + { + \int_add:Nn \l_iow_current_indentation_int \c_four + \tl_put_right:Nx \exp_not:N \l_iow_current_indentation_tl + { \c_space_tl \c_space_tl \c_space_tl \c_space_tl } + } +\cs_new_protected_nopar:Npn \iow_wrap_unindent: + { + \int_sub:Nn \l_iow_current_indentation_int \c_four + \tl_set:Nx \l_iow_current_indentation_tl + { \prg_replicate:nn \l_iow_current_indentation_int { ~ } } + } +\cs_new_protected_nopar:Npn \iow_wrap_end: + { + \tl_put_right:Nx \l_iow_wrapped_tl + { \l_iow_current_line_tl } + \use_none_delimit_by_q_stop:w + } +\cs_new_nopar:Npn \str_length_skip_spaces:N + { \exp_args:No \str_length_skip_spaces:n } +\cs_new:Npn \str_length_skip_spaces:n #1 + { + \int_value:w \int_eval:w + \exp_after:wN \str_length_loop:NNNNNNNNN \tl_to_str:n {#1} + { X8 } { X7 } { X6 } { X5 } { X4 } { X3 } { X2 } { X1 } { X0 } \q_stop + \int_eval_end: + } +\cs_new:Npn \str_length_loop:NNNNNNNNN #1#2#3#4#5#6#7#8#9 + { + \if_catcode:w X #9 + \exp_after:wN \use_none_delimit_by_q_stop:w + \else: + 9 + + \exp_after:wN \str_length_loop:NNNNNNNNN + \fi: + } +\cs_new_eq:NN \if_eof:w \tex_ifeof:D +\prg_new_conditional:Nnn \ior_if_eof:N { p , T , F , TF } + { + \cs_if_exist:NTF #1 + { + \if_int_compare:w #1 = \c_sixteen + \prg_return_true: + \else: + \if_eof:w #1 + \prg_return_true: + \else: + \prg_return_false: + \fi: + \fi: + } + { \prg_return_true: } + } +\cs_new_protected:Npn \ior_to:NN #1#2 + { \tex_read:D #1 to #2 } +\cs_new_protected:Npn \ior_gto:NN #1#2 + { \tex_global:D \tex_read:D #1 to #2 } +\cs_new_protected:Npn \ior_str_to:NN #1#2 + { \etex_readline:D #1 to #2 } +\cs_new_protected:Npn \ior_str_gto:NN #1#2 + { \tex_global:D \etex_readline:D #1 to #2 } +\cs_new_protected_nopar:Npn \ior_map_inline:Nn + { \ior_map_inline_aux:NNn \ior_to:NN } +\cs_new_protected_nopar:Npn \ior_str_map_inline:Nn + { \ior_map_inline_aux:NNn \ior_str_to:NN } +\cs_new_protected_nopar:Npn \ior_map_inline_aux:NNn + { + \exp_args:Nc \ior_map_inline_aux:NNNn + { ior_map_ \int_use:N \g_prg_map_int :n } + } +\cs_new_protected:Npn \ior_map_inline_aux:NNNn #1#2#3#4 + { + \cs_set:Npn #1 ##1 {#4} + \int_gincr:N \g_prg_map_int + \ior_if_eof:NF #3 { \ior_map_inline_loop:NNN #1#2#3 } + \prg_break_point:n { \int_gdecr:N \g_prg_map_int } + } +\cs_new_protected:Npn \ior_map_inline_loop:NNN #1#2#3 + { + #2 #3 \l_ior_internal_tl + \ior_if_eof:NF #3 + { + \exp_args:No #1 \l_ior_internal_tl + \ior_map_inline_loop:NNN #1#2#3 + } + } +\tl_new:N \l_ior_internal_tl +\msg_kernel_new:nnnn { file } { file-not-found } + { Space~in~file~name~'#1'. } + { + Spaces~are~not~permitted~in~files~loaded~by~LaTeX: \\ + Further~errors~may~follow! + } +\msg_kernel_new:nnnn { file } { space-in-file-name } + { Space~in~file~name~'#1'. } + { + Spaces~are~not~permitted~in~files~loaded~by~LaTeX: \\ + Further~errors~may~follow! } +\cs_new_protected:Npn \iow_now_when_avail:Nn #1 + { \cs_if_free:NTF #1 { \use_none:n } { \iow_now:Nn #1 } } +\cs_new_protected:Npn \iow_now_when_avail:Nx #1 + { \cs_if_free:NTF #1 { \use_none:n } { \iow_now:Nx #1 } } %% %% %% End of file `l3file.sty'. |