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@@ -1,566 +0,0 @@
-%%
-%% This is file `l3token.sty',
-%% generated with the docstrip utility.
-%%
-%% The original source files were:
-%%
-%% l3token.dtx (with options: `package')
-%%
-%%
-%% EXPERIMENTAL CODE
-%%
-%% Do not distribute this file without also distributing the
-%% source files specified above.
-%%
-%% Do not distribute a modified version of this file.
-%%
-%%
-%% File: l3token.dtx Copyright (C) 2005-2010 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
-%% license or (at your option) any later version. The latest version
-%% of this license is in the file
-%%
-%% http://www.latex-project.org/lppl.txt
-%%
-%% This file is part of the ``expl3 bundle'' (The Work in LPPL)
-%% and all files in that bundle must be distributed together.
-%%
-%% The released version of this bundle is available from CTAN.
-%%
-%% -----------------------------------------------------------------------
-%%
-%% The development version of the bundle can be found at
-%%
-%% http://www.latex-project.org/svnroot/experimental/trunk/
-%%
-%% for those people who are interested.
-%%
-%%%%%%%%%%%
-%% NOTE: %%
-%%%%%%%%%%%
-%%
-%% Snapshots taken from the repository represent work in progress and may
-%% not work or may contain conflicting material! We therefore ask
-%% people _not_ to put them into distributions, archives, etc. without
-%% prior consultation with the LaTeX Project Team.
-%%
-%% -----------------------------------------------------------------------
-\RequirePackage{l3names}
-\GetIdInfo$Id: l3token.dtx 2223 2011-04-09 12:57:14Z will $
- {L3 Experimental token investigation and manipulation}
-\ProvidesExplPackage
- {\filename}{\filedate}{\fileversion}{\filedescription}
-\package_check_loaded_expl:
-\cs_new_eq:NN \char_set_catcode:w \tex_catcode:D
-\cs_new_protected_nopar:Npn \char_set_catcode:nn #1#2 {
- \char_set_catcode:w #1 = \int_eval:w #2\int_eval_end:
-}
-\cs_new_nopar:Npn \char_value_catcode:w { \int_use:N \tex_catcode:D }
-\cs_new_nopar:Npn \char_value_catcode:n #1 {
- \char_value_catcode:w \int_eval:w #1\int_eval_end:
-}
-\cs_new_nopar:Npn \char_show_value_catcode:w {
- \tex_showthe:D \tex_catcode:D
-}
-\cs_new_nopar:Npn \char_show_value_catcode:n #1 {
- \char_show_value_catcode:w \int_eval:w #1\int_eval_end:
-}
-\cs_new_protected_nopar:Npn \char_make_escape:N #1 { \char_set_catcode:nn {`#1} {\c_zero} }
-\cs_new_protected_nopar:Npn \char_make_begin_group:N #1 { \char_set_catcode:nn {`#1} {\c_one} }
-\cs_new_protected_nopar:Npn \char_make_end_group:N #1 { \char_set_catcode:nn {`#1} {\c_two} }
-\cs_new_protected_nopar:Npn \char_make_math_shift:N #1 { \char_set_catcode:nn {`#1} {\c_three} }
-\cs_new_protected_nopar:Npn \char_make_alignment:N #1 { \char_set_catcode:nn {`#1} {\c_four} }
-\cs_new_protected_nopar:Npn \char_make_end_line:N #1 { \char_set_catcode:nn {`#1} {\c_five} }
-\cs_new_protected_nopar:Npn \char_make_parameter:N #1 { \char_set_catcode:nn {`#1} {\c_six} }
-\cs_new_protected_nopar:Npn \char_make_math_superscript:N #1 { \char_set_catcode:nn {`#1} {\c_seven} }
-\cs_new_protected_nopar:Npn \char_make_math_subscript:N #1 { \char_set_catcode:nn {`#1} {\c_eight} }
-\cs_new_protected_nopar:Npn \char_make_ignore:N #1 { \char_set_catcode:nn {`#1} {\c_nine} }
-\cs_new_protected_nopar:Npn \char_make_space:N #1 { \char_set_catcode:nn {`#1} {\c_ten} }
-\cs_new_protected_nopar:Npn \char_make_letter:N #1 { \char_set_catcode:nn {`#1} {\c_eleven} }
-\cs_new_protected_nopar:Npn \char_make_other:N #1 { \char_set_catcode:nn {`#1} {\c_twelve} }
-\cs_new_protected_nopar:Npn \char_make_active:N #1 { \char_set_catcode:nn {`#1} {\c_thirteen} }
-\cs_new_protected_nopar:Npn \char_make_comment:N #1 { \char_set_catcode:nn {`#1} {\c_fourteen} }
-\cs_new_protected_nopar:Npn \char_make_invalid:N #1 { \char_set_catcode:nn {`#1} {\c_fifteen} }
-\cs_new_protected_nopar:Npn \char_make_escape:n #1 { \char_set_catcode:nn {#1} {\c_zero} }
-\cs_new_protected_nopar:Npn \char_make_begin_group:n #1 { \char_set_catcode:nn {#1} {\c_one} }
-\cs_new_protected_nopar:Npn \char_make_end_group:n #1 { \char_set_catcode:nn {#1} {\c_two} }
-\cs_new_protected_nopar:Npn \char_make_math_shift:n #1 { \char_set_catcode:nn {#1} {\c_three} }
-\cs_new_protected_nopar:Npn \char_make_alignment:n #1 { \char_set_catcode:nn {#1} {\c_four} }
-\cs_new_protected_nopar:Npn \char_make_end_line:n #1 { \char_set_catcode:nn {#1} {\c_five} }
-\cs_new_protected_nopar:Npn \char_make_parameter:n #1 { \char_set_catcode:nn {#1} {\c_six} }
-\cs_new_protected_nopar:Npn \char_make_math_superscript:n #1 { \char_set_catcode:nn {#1} {\c_seven} }
-\cs_new_protected_nopar:Npn \char_make_math_subscript:n #1 { \char_set_catcode:nn {#1} {\c_eight} }
-\cs_new_protected_nopar:Npn \char_make_ignore:n #1 { \char_set_catcode:nn {#1} {\c_nine} }
-\cs_new_protected_nopar:Npn \char_make_space:n #1 { \char_set_catcode:nn {#1} {\c_ten} }
-\cs_new_protected_nopar:Npn \char_make_letter:n #1 { \char_set_catcode:nn {#1} {\c_eleven} }
-\cs_new_protected_nopar:Npn \char_make_other:n #1 { \char_set_catcode:nn {#1} {\c_twelve} }
-\cs_new_protected_nopar:Npn \char_make_active:n #1 { \char_set_catcode:nn {#1} {\c_thirteen} }
-\cs_new_protected_nopar:Npn \char_make_comment:n #1 { \char_set_catcode:nn {#1} {\c_fourteen} }
-\cs_new_protected_nopar:Npn \char_make_invalid:n #1 { \char_set_catcode:nn {#1} {\c_fifteen} }
-\cs_new_eq:NN \char_set_mathcode:w \tex_mathcode:D
-\cs_new_protected_nopar:Npn \char_set_mathcode:nn #1#2 {
- \char_set_mathcode:w #1 = \int_eval:w #2\int_eval_end:
-}
-\cs_new_protected_nopar:Npn \char_gset_mathcode:w { \pref_global:D \tex_mathcode:D }
-\cs_new_protected_nopar:Npn \char_gset_mathcode:nn #1#2 {
- \char_gset_mathcode:w #1 = \int_eval:w #2\int_eval_end:
-}
-\cs_new_nopar:Npn \char_value_mathcode:w { \int_use:N \tex_mathcode:D }
-\cs_new_nopar:Npn \char_value_mathcode:n #1 {
- \char_value_mathcode:w \int_eval:w #1\int_eval_end:
-}
-\cs_new_nopar:Npn \char_show_value_mathcode:w { \tex_showthe:D \tex_mathcode:D }
-\cs_new_nopar:Npn \char_show_value_mathcode:n #1 {
- \char_show_value_mathcode:w \int_eval:w #1\int_eval_end:
-}
-\cs_new_eq:NN \char_set_lccode:w \tex_lccode:D
-\cs_new_protected_nopar:Npn \char_set_lccode:nn #1#2{
- \char_set_lccode:w #1 = \int_eval:w #2\int_eval_end:
-}
-\cs_new_nopar:Npn \char_value_lccode:w {\int_use:N\tex_lccode:D}
-\cs_new_nopar:Npn \char_value_lccode:n #1{\char_value_lccode:w
- \int_eval:w #1\int_eval_end:}
-\cs_new_nopar:Npn \char_show_value_lccode:w {\tex_showthe:D\tex_lccode:D}
-\cs_new_nopar:Npn \char_show_value_lccode:n #1{
- \char_show_value_lccode:w \int_eval:w #1\int_eval_end:}
-\cs_new_eq:NN \char_set_uccode:w \tex_uccode:D
-\cs_new_protected_nopar:Npn \char_set_uccode:nn #1#2{
- \char_set_uccode:w #1 = \int_eval:w #2\int_eval_end:
-}
-\cs_new_nopar:Npn \char_value_uccode:w {\int_use:N\tex_uccode:D}
-\cs_new_nopar:Npn \char_value_uccode:n #1{\char_value_uccode:w
- \int_eval:w #1\int_eval_end:}
-\cs_new_nopar:Npn \char_show_value_uccode:w {\tex_showthe:D\tex_uccode:D}
-\cs_new_nopar:Npn \char_show_value_uccode:n #1{
- \char_show_value_uccode:w \int_eval:w #1\int_eval_end:}
-\cs_new_eq:NN \char_set_sfcode:w \tex_sfcode:D
-\cs_new_protected_nopar:Npn \char_set_sfcode:nn #1#2 {
- \char_set_sfcode:w #1 = \int_eval:w #2\int_eval_end:
-}
-\cs_new_nopar:Npn \char_value_sfcode:w { \int_use:N \tex_sfcode:D }
-\cs_new_nopar:Npn \char_value_sfcode:n #1 {
- \char_value_sfcode:w \int_eval:w #1\int_eval_end:
-}
-\cs_new_nopar:Npn \char_show_value_sfcode:w { \tex_showthe:D \tex_sfcode:D }
-\cs_new_nopar:Npn \char_show_value_sfcode:n #1 {
- \char_show_value_sfcode:w \int_eval:w #1\int_eval_end:
-}
-\cs_new_protected_nopar:Npn \token_new:Nn #1#2 {\cs_new_eq:NN #1#2}
-\cs_new_eq:NN \c_group_begin_token {
-\cs_new_eq:NN \c_group_end_token }
-\group_begin:
-\char_set_catcode:nn{`\*}{3}
-\token_new:Nn \c_math_shift_token {*}
-\char_set_catcode:nn{`\*}{4}
-\token_new:Nn \c_alignment_tab_token {*}
-\token_new:Nn \c_parameter_token {#}
-\token_new:Nn \c_math_superscript_token {^}
-\char_set_catcode:nn{`\*}{8}
-\token_new:Nn \c_math_subscript_token {*}
-\token_new:Nn \c_space_token {~}
-\token_new:Nn \c_letter_token {a}
-\token_new:Nn \c_other_char_token {1}
-\char_set_catcode:nn{`\*}{13}
-\cs_gset_nopar:Npn \c_active_char_token {\exp_not:N*}
-\group_end:
-\prg_new_conditional:Nnn \token_if_group_begin:N {p,TF,T,F} {
- \if_catcode:w \exp_not:N #1\c_group_begin_token
- \prg_return_true: \else: \prg_return_false: \fi:
-}
-\prg_new_conditional:Nnn \token_if_group_end:N {p,TF,T,F} {
- \if_catcode:w \exp_not:N #1\c_group_end_token
- \prg_return_true: \else: \prg_return_false: \fi:
-}
-\prg_new_conditional:Nnn \token_if_math_shift:N {p,TF,T,F} {
- \if_catcode:w \exp_not:N #1\c_math_shift_token
- \prg_return_true: \else: \prg_return_false: \fi:
-}
-\prg_new_conditional:Nnn \token_if_alignment_tab:N {p,TF,T,F} {
- \if_catcode:w \exp_not:N #1\c_alignment_tab_token
- \prg_return_true: \else: \prg_return_false: \fi:
-}
-\prg_new_conditional:Nnn \token_if_parameter:N {p,TF,T,F} {
- \exp_after:wN\if_catcode:w \cs:w c_parameter_token\cs_end:\exp_not:N #1
- \prg_return_true: \else: \prg_return_false: \fi:
-}
-\prg_new_conditional:Nnn \token_if_math_superscript:N {p,TF,T,F} {
- \if_catcode:w \exp_not:N #1\c_math_superscript_token
- \prg_return_true: \else: \prg_return_false: \fi:
-}
-\prg_new_conditional:Nnn \token_if_math_subscript:N {p,TF,T,F} {
- \if_catcode:w \exp_not:N #1\c_math_subscript_token
- \prg_return_true: \else: \prg_return_false: \fi:
-}
-\prg_new_conditional:Nnn \token_if_space:N {p,TF,T,F} {
- \if_catcode:w \exp_not:N #1\c_space_token
- \prg_return_true: \else: \prg_return_false: \fi:
-}
-\prg_new_conditional:Nnn \token_if_letter:N {p,TF,T,F} {
- \if_catcode:w \exp_not:N #1\c_letter_token
- \prg_return_true: \else: \prg_return_false: \fi:
-}
-\prg_new_conditional:Nnn \token_if_other_char:N {p,TF,T,F} {
- \if_catcode:w \exp_not:N #1\c_other_char_token
- \prg_return_true: \else: \prg_return_false: \fi:
-}
-\prg_new_conditional:Nnn \token_if_active_char:N {p,TF,T,F} {
- \if_catcode:w \exp_not:N #1\c_active_char_token
- \prg_return_true: \else: \prg_return_false: \fi:
-}
-\prg_new_conditional:Nnn \token_if_eq_meaning:NN {p,TF,T,F} {
- \if_meaning:w #1 #2
- \prg_return_true: \else: \prg_return_false: \fi:
-}
-\prg_new_conditional:Nnn \token_if_eq_catcode:NN {p,TF,T,F} {
- \if_catcode:w \exp_not:N #1 \exp_not:N #2
- \prg_return_true: \else: \prg_return_false: \fi:
-}
-\prg_new_conditional:Nnn \token_if_eq_charcode:NN {p,TF,T,F} {
- \if_charcode:w \exp_not:N #1 \exp_not:N #2
- \prg_return_true: \else: \prg_return_false: \fi:
-}
-\prg_new_conditional:Nnn \token_if_macro:N {p,TF,T,F} {
- \exp_after:wN \token_if_macro_p_aux:w \token_to_meaning:N #1 -> \q_stop
-}
-\cs_new_nopar:Npn \token_if_macro_p_aux:w #1 -> #2 \q_stop{
- \if_predicate:w \tl_if_empty_p:n{#2}
- \prg_return_false: \else: \prg_return_true: \fi:
-}
-\prg_new_conditional:Nnn \token_if_cs:N {p,TF,T,F} {
- \if_predicate:w \token_if_eq_catcode_p:NN \scan_stop: #1
- \prg_return_true: \else: \prg_return_false: \fi:}
-\prg_new_conditional:Nnn \token_if_expandable:N {p,TF,T,F} {
- \cs_if_exist:NTF #1 {
- \exp_after:wN \if_meaning:w \exp_not:N #1 #1
- \prg_return_false: \else: \prg_return_true: \fi:
- } {
- \prg_return_false:
- }
-}
-\group_begin:
- \char_set_lccode:nn {`\T}{`\T}
- \char_set_lccode:nn {`\F}{`\F}
- \char_set_lccode:nn {`\X}{`\n}
- \char_set_lccode:nn {`\Y}{`\t}
- \char_set_lccode:nn {`\Z}{`\d}
- \char_set_lccode:nn {`\?}{`\\}
- \tl_map_inline:nn{\X\Y\Z\M\C\H\A\R\O\U\S\K\I\P\L\G\P\E}
- {\char_set_catcode:nn {`#1}{12}}
-\tl_to_lowercase:n{
- \group_end:
-\prg_new_conditional:Nnn \token_if_chardef:N {p,TF,T,F} {
- \exp_after:wN \token_if_chardef_aux:w
- \token_to_meaning:N #1?CHAR"\q_stop
-}
-\cs_new_nopar:Npn \token_if_chardef_aux:w #1?CHAR"#2\q_stop{
- \tl_if_empty:nTF {#1} {\prg_return_true:} {\prg_return_false:}
-}
-\prg_new_conditional:Nnn \token_if_mathchardef:N {p,TF,T,F} {
- \exp_after:wN \token_if_mathchardef_aux:w
- \token_to_meaning:N #1?MAYHCHAR"\q_stop
-}
-\cs_new_nopar:Npn \token_if_mathchardef_aux:w #1?MAYHCHAR"#2\q_stop{
- \tl_if_empty:nTF {#1} {\prg_return_true:} {\prg_return_false:}
-}
-\prg_new_conditional:Nnn \token_if_int_register:N {p,TF,T,F} {
- \if_meaning:w \tex_countdef:D #1
- \prg_return_false:
- \else:
- \exp_after:wN \token_if_int_register_aux:w
- \token_to_meaning:N #1?COUXY\q_stop
- \fi:
-}
-\cs_new_nopar:Npn \token_if_int_register_aux:w #1?COUXY#2\q_stop{
- \tl_if_empty:nTF {#1} {\prg_return_true:} {\prg_return_false:}
-}
-\prg_new_conditional:Nnn \token_if_skip_register:N {p,TF,T,F} {
- \if_meaning:w \tex_skipdef:D #1
- \prg_return_false:
- \else:
- \exp_after:wN \token_if_skip_register_aux:w
- \token_to_meaning:N #1?SKIP\q_stop
- \fi:
-}
-\cs_new_nopar:Npn \token_if_skip_register_aux:w #1?SKIP#2\q_stop{
- \tl_if_empty:nTF {#1} {\prg_return_true:} {\prg_return_false:}
-}
-\prg_new_conditional:Nnn \token_if_dim_register:N {p,TF,T,F} {
- \if_meaning:w \tex_dimendef:D #1
- \c_false_bool
- \else:
- \exp_after:wN \token_if_dim_register_aux:w
- \token_to_meaning:N #1?ZIMEX\q_stop
- \fi:
-}
-\cs_new_nopar:Npn \token_if_dim_register_aux:w #1?ZIMEX#2\q_stop{
- \tl_if_empty:nTF {#1} {\prg_return_true:} {\prg_return_false:}
-}
-\prg_new_conditional:Nnn \token_if_toks_register:N {p,TF,T,F} {
- \if_meaning:w \tex_toksdef:D #1
- \prg_return_false:
- \else:
- \exp_after:wN \token_if_toks_register_aux:w
- \token_to_meaning:N #1?YOKS\q_stop
- \fi:
-}
-\cs_new_nopar:Npn \token_if_toks_register_aux:w #1?YOKS#2\q_stop{
- \tl_if_empty:nTF {#1} {\prg_return_true:} {\prg_return_false:}
-}
-\prg_new_conditional:Nnn \token_if_protected_macro:N {p,TF,T,F} {
- \exp_after:wN \token_if_protected_macro_aux:w
- \token_to_meaning:N #1?PROYECYEZ~MACRO\q_stop
-}
-\cs_new_nopar:Npn \token_if_protected_macro_aux:w #1?PROYECYEZ~MACRO#2\q_stop{
- \tl_if_empty:nTF {#1} {\prg_return_true:} {\prg_return_false:}
-}
-\prg_new_conditional:Nnn \token_if_long_macro:N {p,TF,T,F} {
- \exp_after:wN \token_if_long_macro_aux:w
- \token_to_meaning:N #1?LOXG~MACRO\q_stop
-}
-\cs_new_nopar:Npn \token_if_long_macro_aux:w #1?LOXG~MACRO#2\q_stop{
- \tl_if_empty:nTF {#1} {\prg_return_true:} {\prg_return_false:}
-}
-\prg_new_conditional:Nnn \token_if_protected_long_macro:N {p,TF,T,F} {
- \exp_after:wN \token_if_protected_long_macro_aux:w
- \token_to_meaning:N #1?PROYECYEZ?LOXG~MACRO\q_stop
-}
-\cs_new_nopar:Npn \token_if_protected_long_macro_aux:w #1
- ?PROYECYEZ?LOXG~MACRO#2\q_stop{
- \tl_if_empty:nTF {#1} {\prg_return_true:} {\prg_return_false:}
-}
-}
-\group_begin:
-\char_set_lccode:nn {`\?}{`\:}
-\char_set_catcode:nn{`\M}{12}
-\char_set_catcode:nn{`\A}{12}
-\char_set_catcode:nn{`\C}{12}
-\char_set_catcode:nn{`\R}{12}
-\char_set_catcode:nn{`\O}{12}
-\tl_to_lowercase:n{
- \group_end:
- \cs_new_nopar:Npn \token_get_prefix_arg_replacement_aux:w #1MACRO?#2->#3\q_stop#4{
- #4{#1}{#2}{#3}
- }
- \cs_new_nopar:Npn\token_get_prefix_spec:N #1{
- \token_if_macro:NTF #1{
- \exp_after:wN \token_get_prefix_arg_replacement_aux:w
- \token_to_meaning:N #1\q_stop\use_i:nnn
- }{\scan_stop:}
- }
- \cs_new_nopar:Npn\token_get_arg_spec:N #1{
- \token_if_macro:NTF #1{
- \exp_after:wN \token_get_prefix_arg_replacement_aux:w
- \token_to_meaning:N #1\q_stop\use_ii:nnn
- }{\scan_stop:}
- }
- \cs_new_nopar:Npn\token_get_replacement_spec:N #1{
- \token_if_macro:NTF #1{
- \exp_after:wN \token_get_prefix_arg_replacement_aux:w
- \token_to_meaning:N #1\q_stop\use_iii:nnn
- }{\scan_stop:}
- }
-}
-\prg_new_conditional:Nnn \token_if_primitive:N {p,TF,T,F} {
- \if_predicate:w \token_if_cs_p:N #1
- \if_predicate:w \token_if_macro_p:N #1
- \prg_return_false:
- \else:
- \token_if_primitive_p_aux:N #1
- \fi:
- \else:
- \if_predicate:w \token_if_active_char_p:N #1
- \if_predicate:w \token_if_macro_p:N #1
- \prg_return_false:
- \else:
- \token_if_primitive_p_aux:N #1
- \fi:
- \else:
- \prg_return_false:
- \fi:
- \fi:
-}
-\cs_new_nopar:Npn \token_if_primitive_p_aux:N #1{
- \if_predicate:w \token_if_chardef_p:N #1 \c_false_bool
- \else:
- \if_predicate:w \token_if_mathchardef_p:N #1 \prg_return_false:
- \else:
- \if_predicate:w \token_if_int_register_p:N #1 \prg_return_false:
- \else:
- \if_predicate:w \token_if_skip_register_p:N #1 \prg_return_false:
- \else:
- \if_predicate:w \token_if_dim_register_p:N #1 \prg_return_false:
- \else:
- \if_predicate:w \token_if_toks_register_p:N #1 \prg_return_false:
- \else:
- \prg_return_true:
- \fi:
- \fi:
- \fi:
- \fi:
- \fi:
- \fi:
-}
-\token_new:Nn \l_peek_token {?}
-\token_new:Nn \g_peek_token {?}
-\token_new:Nn \l_peek_search_token {?}
-\cs_new_protected_nopar:Npn \peek_after:NN {\tex_futurelet:D \l_peek_token }
-\cs_new_protected_nopar:Npn \peek_gafter:NN {
- \pref_global:D \tex_futurelet:D \g_peek_token
-}
-\tl_new:N \l_peek_true_tl
-\tl_new:N \l_peek_false_tl
-\cs_new_nopar:Npn \peek_tmp:w {}
-\tl_new:N \l_peek_search_tl
-\cs_new_protected:Npn \peek_token_generic:NNTF #1#2#3#4 {
- \cs_set_eq:NN \l_peek_search_token #2
- \tl_set:Nn \l_peek_search_tl {#2}
- \tl_set:Nn \l_peek_true_tl { \group_align_safe_end: #3 }
- \tl_set:Nn \l_peek_false_tl { \group_align_safe_end: #4 }
- \group_align_safe_begin:
- \peek_after:NN #1
-}
-\cs_new_protected:Npn \peek_token_generic:NNT #1#2#3 {
- \peek_token_generic:NNTF #1#2 {#3} {}
-}
-\cs_new_protected:Npn \peek_token_generic:NNF #1#2#3 {
- \peek_token_generic:NNTF #1#2 {} {#3}
-}
-\cs_new_protected:Npn \peek_token_remove_generic:NNTF #1#2#3#4 {
- \cs_set_eq:NN \l_peek_search_token #2
- \tl_set:Nn \l_peek_search_tl {#2}
- \tl_set:Nn \l_peek_true_aux_tl {#3}
- \tl_set_eq:NN \l_peek_true_tl \c_peek_true_remove_next_tl
- \tl_set:Nn \l_peek_false_tl {\group_align_safe_end: #4}
- \group_align_safe_begin:
- \peek_after:NN #1
-}
-\cs_new:Npn \peek_token_remove_generic:NNT #1#2#3 {
- \peek_token_remove_generic:NNTF #1#2 {#3} {}
-}
-\cs_new:Npn \peek_token_remove_generic:NNF #1#2#3 {
- \peek_token_remove_generic:NNTF #1#2 {} {#3}
-}
-\tl_new:N \l_peek_true_aux_tl
-\tl_const:Nn \c_peek_true_remove_next_tl {\group_align_safe_end:
- \tex_afterassignment:D \l_peek_true_aux_tl \cs_set_eq:NN \peek_tmp:w
-}
-\cs_new_nopar:Npn \peek_execute_branches_meaning: {
- \if_meaning:w \l_peek_token \l_peek_search_token
- \exp_after:wN \l_peek_true_tl
- \else:
- \exp_after:wN \l_peek_false_tl
- \fi:
-}
-\cs_new_nopar:Npn \peek_execute_branches_catcode: {
- \if_catcode:w \exp_not:N\l_peek_token \exp_not:N\l_peek_search_token
- \exp_after:wN \l_peek_true_tl
- \else:
- \exp_after:wN \l_peek_false_tl
- \fi:
-}
-\cs_new_nopar:Npn \peek_execute_branches_charcode: {
- \bool_if:nTF {
- \token_if_eq_catcode_p:NN \l_peek_token \c_group_begin_token ||
- \token_if_eq_catcode_p:NN \l_peek_token \c_group_end_token ||
- \token_if_eq_meaning_p:NN \l_peek_token \c_space_token
- }
- { \l_peek_false_tl }
- { \exp_after:wN \peek_execute_branches_charcode_aux:NN \l_peek_search_tl }
-}
-\cs_new:Npn \peek_execute_branches_charcode_aux:NN #1#2{
- \if_charcode:w \exp_not:N #1\exp_not:N#2
- \exp_after:wN \l_peek_true_tl
- \else:
- \exp_after:wN \l_peek_false_tl
- \fi:
- #2
-}
-\cs_new_nopar:Npn \peek_def_aux:nnnn #1#2#3#4 {
- \peek_def_aux_ii:nnnnn {#1} {#2} {#3} {#4} { TF }
- \peek_def_aux_ii:nnnnn {#1} {#2} {#3} {#4} { T }
- \peek_def_aux_ii:nnnnn {#1} {#2} {#3} {#4} { F }
-}
-\cs_new_protected_nopar:Npn \peek_def_aux_ii:nnnnn #1#2#3#4#5 {
- \cs_new_nopar:cpx { #1 #5 } {
- \tl_if_empty:nF {#2} {
- \exp_not:n { \cs_set_eq:NN \peek_execute_branches: #2 }
- }
- \exp_not:c { #3 #5 }
- \exp_not:n { #4 }
- }
-}
-\peek_def_aux:nnnn
- { peek_meaning:N }
- {}
- { peek_token_generic:NN }
- { \peek_execute_branches_meaning: }
-\peek_def_aux:nnnn
- { peek_meaning_ignore_spaces:N }
- { \peek_execute_branches_meaning: }
- { peek_token_generic:NN }
- { \peek_ignore_spaces_execute_branches: }
-\peek_def_aux:nnnn
- { peek_meaning_remove:N }
- {}
- { peek_token_remove_generic:NN }
- { \peek_execute_branches_meaning: }
-\peek_def_aux:nnnn
- { peek_meaning_remove_ignore_spaces:N }
- { \peek_execute_branches_meaning: }
- { peek_token_remove_generic:NN }
- { \peek_ignore_spaces_execute_branches: }
-\peek_def_aux:nnnn
- { peek_catcode:N }
- {}
- { peek_token_generic:NN }
- { \peek_execute_branches_catcode: }
-\peek_def_aux:nnnn
- { peek_catcode_ignore_spaces:N }
- { \peek_execute_branches_catcode: }
- { peek_token_generic:NN }
- { \peek_ignore_spaces_execute_branches: }
-\peek_def_aux:nnnn
- { peek_catcode_remove:N }
- {}
- { peek_token_remove_generic:NN }
- { \peek_execute_branches_catcode: }
-\peek_def_aux:nnnn
- { peek_catcode_remove_ignore_spaces:N }
- { \peek_execute_branches_catcode: }
- { peek_token_remove_generic:NN }
- { \peek_ignore_spaces_execute_branches: }
-\peek_def_aux:nnnn
- { peek_charcode:N }
- {}
- { peek_token_generic:NN }
- { \peek_execute_branches_charcode: }
-\peek_def_aux:nnnn
- { peek_charcode_ignore_spaces:N }
- { \peek_execute_branches_charcode: }
- { peek_token_generic:NN }
- { \peek_ignore_spaces_execute_branches: }
-\peek_def_aux:nnnn
- { peek_charcode_remove:N }
- {}
- { peek_token_remove_generic:NN }
- { \peek_execute_branches_charcode: }
-\peek_def_aux:nnnn
- { peek_charcode_remove_ignore_spaces:N }
- { \peek_execute_branches_charcode: }
- { peek_token_remove_generic:NN }
- { \peek_ignore_spaces_execute_branches:}
-\cs_new_nopar:Npn \peek_ignore_spaces_aux: {
- \peek_after:NN \peek_ignore_spaces_execute_branches:
-}
-\cs_new_protected_nopar:Npn \peek_ignore_spaces_execute_branches: {
- \token_if_eq_meaning:NNTF \l_peek_token \c_space_token
- { \tex_afterassignment:D \peek_ignore_spaces_aux:
- \cs_set_eq:NN \peek_tmp:w
- }
- \peek_execute_branches:
-}
-%%
-%%
-%% End of file `l3token.sty'.