%% %% This is file `ctexhook.sty', %% generated with the docstrip utility. %% %% The original source files were: %% %% ctex.dtx (with options: `ctexhook') %% %% Copyright (C) 2003--2020 %% 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 81d4c90 2020-10-19 20:24:58 +0800 Qing Lee $ {Document and package hooks (CTEX)} \ProvidesExplPackage{ctexhook} {\ExplFileDate}{2.5.5}{\ExplFileDescription} \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} } } \@ifl@t@r \fmtversion { 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 { env/document/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'.