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%%
%% This is file `ctexhook.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% ctex.dtx (with options: `ctexhook')
%%
%% Copyright (C) 2003--2021
%% CTEX.ORG and any individual authors listed in the documentation.
%% ---------------------------------------------------------------------
%%
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either
%% version 1.3c of this license or (at your option) any later
%% version. This version of this license is in
%% http://www.latex-project.org/lppl/lppl-1-3c.txt
%% and the latest version of this license is in
%% http://www.latex-project.org/lppl.txt
%% and version 1.3 or later is part of all distributions of
%% LaTeX version 2005/12/01 or later.
%%
%% This work has the LPPL maintenance status "maintained".
%%
%% ---------------------------------------------------------------------
%%
\NeedsTeXFormat{LaTeX2e}
\RequirePackage{expl3}
\GetIdInfo$Id: ctex.dtx 6604451 2021-06-20 17:08:49 +0800 Qing Lee <sobenlee@gmail.com> $
{Document and package hooks (CTEX)}
\ProvidesExplPackage{ctexhook}
{\ExplFileDate}{2.5.7}{\ExplFileDescription}
\cs_new:Npn \ctex_if_format_at_least:nTF
{ \@ifl@t@r \fmtversion }
\cs_new_protected:Npn \ctex_file_input:n #1
{
\ctex_push_file:
\file_input:n {#1}
\ctex_pop_file:
}
\bool_if_exist:NTF \l__kernel_expl_bool
{
\cs_new_protected:Npn \ctex_push_file:
{
\seq_gpush:Nx \g__ctex_expl_status_seq
{ \bool_if:NTF \l__kernel_expl_bool { 1 } { 0 } }
\bool_set_false:N \l__kernel_expl_bool
\cctab_begin:N \c__ctex_package_cctab
}
\cs_new_protected:Npn \ctex_pop_file:
{
\cctab_end:
\seq_gpop:NN \g__ctex_expl_status_seq \l__ctex_expl_status_tl
\int_if_odd:nTF { \l__ctex_expl_status_tl }
{ \bool_set_true:N \l__kernel_expl_bool }
{ \bool_set_false:N \l__kernel_expl_bool }
}
\tl_new:N \l__ctex_expl_status_tl
\seq_new:N \g__ctex_expl_status_seq
}
{
\cs_new_protected:Npn \ctex_push_file:
{ \cctab_begin:N \c__ctex_package_cctab }
\cs_new_protected:Npn \ctex_pop_file:
{ \cctab_end: }
}
\cctab_const:Nn \c__ctex_package_cctab
{
\cctab_select:N \c_document_cctab
\char_set_catcode_letter:n { 64 }
}
\cs_new_protected:Npn \ctex_disable_package:n #1
{
\@ifpackageloaded {#1}
{ \msg_error:nnxx }
{ \__ctex_disable_package_aux:nnnn }
{ ctex } { disable-package } {#1} { \@currname }
}
\cs_new_protected:Npx \__ctex_disable_package_aux:nnnn #1#2#3#4
{
\cs_if_exist:NTF \disable@package@load
{
\exp_args:Nnx \exp_not:N \disable@package@load {#3}
{ \msg_warning:nnnn {#1} {#2} {#3} {#4} }
}
{ \tl_const:cn { ver@ #3 . \exp_not:N \@pkgextension } { 9999/99/99 } }
}
\msg_new:nnn { ctex } { disable-package }
{ Package~`#1'~can~not~be~loaded~with~`#2'. }
\ctex_if_format_at_least:nTF { 2020/10/01 }
{
\cs_new_protected:Npn \ctex_replace_package:nn #1#2
{
\declare@file@substitution
{ #1 . \@pkgextension }
{ #2 . \@pkgextension }
}
}
{
\cs_new_protected:Npn \ctex_replace_package:nn
{ \msg_warning:nnnn { ctex } { replace-package-invalid } }
\msg_new:nnn { ctex } { replace-package-invalid }
{
\token_to_str:N \ctex_replace_package:nn \{#1\}\{#2\}~is~invalid~
before~LaTeX~2020-10-01.
}
}
\cs_new_protected:Npn \ctex_at_begin_package:nn #1
{
\@ifpackageloaded {#1}
{ \__ctex_package_loaded_warning:nn {#1} }
{ \ctex_gadd_package_hook:nnn { before } {#1} }
}
\cs_new_protected:Npn \__ctex_package_loaded_warning:nn #1#2
{ \msg_warning:nnx { ctex } { invalid-hook } {#1} }
\msg_new:nnn { ctex } { invalid-hook }
{
Package~`#1'~is~loaded. \\
\token_to_str:N \ctex_at_begin_package:nn \{#1\}\{...\}~is~invalid.
}
\cs_new_protected:Npn \ctex_at_end_package:nn #1
{
\@ifpackageloaded {#1}
{ \use:n }
{ \ctex_gadd_package_hook:nnn { after } {#1} }
}
\ctex_if_format_at_least:nTF { 2020/10/01 }
{
\cs_new_protected:Npx \ctex_gadd_ltxhook:nn #1
{ \hook_gput_code:nnn {#1} { \c_novalue_tl } }
\cs_new_protected:Npn \ctex_at_end_preamble:n
{ \ctex_gadd_ltxhook:nn { begindocument/before } }
\cs_new_protected:Npn \ctex_after_end_preamble:n
{ \ctex_gadd_ltxhook:nn { begindocument/end } }
\cs_new_protected:Npn \ctex_gadd_package_hook:nnn #1#2
{ \ctex_gadd_ltxhook:nn { package/#1/#2 } }
\file_input_stop:
}
{ }
\cs_new_protected:Npn \ctex_at_end_preamble:n
{ \tl_gput_right:Nn \g__ctex_end_preamble_hook_tl }
\cs_new_protected:Npn \ctex_after_end_preamble:n
{ \tl_gput_right:Nn \g__ctex_after_end_preamble_hook_tl }
\cs_new_protected:Npn \CTEX@document@left@hook
{ \group_end: \g__ctex_end_preamble_hook_tl \group_begin: }
\cs_new_protected:Npn \CTEX@document@right@hook
{ \scan_stop: \g__ctex_after_end_preamble_hook_tl \tex_ignorespaces:D }
\cs_set_nopar:Npx \document
{
\CTEX@document@left@hook
\exp_not:o { \document }
\CTEX@document@right@hook
}
\tl_new:N \g__ctex_end_preamble_hook_tl
\tl_new:N \g__ctex_after_end_preamble_hook_tl
\cs_new_protected:Npn \ctex_gadd_package_hook:nnn #1#2
{ \ctex_gadd_hook:cn { g__ctex_at_ #1 _ #2 _hook_tl } }
\cs_new_protected:Npn \ctex_gadd_hook:Nn #1
{
\tl_if_exist:NF #1 { \tl_new:N #1 }
\tl_gput_right:Nn #1
}
\cs_generate_variant:Nn \ctex_gadd_hook:Nn { c }
\cs_new_protected:Npn \ctex_use_package_hook:nn #1#2
{
\group_begin: \exp_args:NNc \group_end:
\__ctex_use_package_hook_aux:N { g__ctex_at_ #1 _ #2 _hook_tl }
}
\cs_new_protected:Npn \__ctex_use_package_hook_aux:N #1
{ \cs_if_exist_use:NT #1 { \cs_undefine:N #1 } }
\tl_put_right:Nn \@reset@ptions { \CTEX@reset@ptions@hook }
\cs_new_protected:Npn \CTEX@reset@ptions@hook
{
\cs_if_eq:NNT \@currext \@pkgextension
{ \ctex_use_package_hook:nn { before } { \@currname } }
}
\tl_put_left:Nn \@popfilename { \CTEX@popfilename@hook }
\cs_new_protected:Npn \CTEX@popfilename@hook
{
\cs_if_eq:NNT \@currext \@pkgextension
{ \ctex_use_package_hook:nn { after } { \@currname } }
}
%%
%%
%% End of file `ctexhook.sty'.
|
