[tex4ht-commits] [SCM] tex4ht updated: r1149 - trunk/lit

[Michal Hoftich]

Author: michal_h21
Date: 2022-06-14 15:04:29 +0000 (Tue, 14 Jun 2022)
New Revision: 1149

Modified:
   trunk/lit/ChangeLog
   trunk/lit/mktex4ht-cnf.tex
   trunk/lit/tex4ht-4ht.tex
Log:
Added support for the Ctexart class

Modified: trunk/lit/ChangeLog
===================================================================
--- trunk/lit/ChangeLog	2022-06-13 20:58:49 UTC (rev 1148)
+++ trunk/lit/ChangeLog	2022-06-14 15:04:29 UTC (rev 1149)
@@ -1,3 +1,9 @@
+2022-06-14  Michal Hoftich  <michal.h21 at gmail.com>
+
+	* tex4ht-4ht-tex (usepackage.4ht, ctexart-hooks.4ht, ctexart.4ht):
+	added support for the Ctexart class.
+	https://tex.stackexchange.com/a/647738/2891
+
 2022-06-13  Michal Hoftich  <michal.h21 at gmail.com>
 
 	* tex4ht-fonts-cjk-utf8.tex (

Modified: trunk/lit/mktex4ht-cnf.tex
===================================================================
--- trunk/lit/mktex4ht-cnf.tex	2022-06-13 20:58:49 UTC (rev 1148)
+++ trunk/lit/mktex4ht-cnf.tex	2022-06-14 15:04:29 UTC (rev 1149)
@@ -353,6 +353,7 @@
 \AddFile{9}{magyar}
 \AddFile{9}{exam}
 \AddFile{9}{ctex}
+\AddFile{9}{ctexart}
 \AddFile{9}{polyglossia}
 \AddFile{9}{gloss-french}
 \AddFile{9}{fontspec}

Modified: trunk/lit/tex4ht-4ht.tex
===================================================================
--- trunk/lit/tex4ht-4ht.tex	2022-06-13 20:58:49 UTC (rev 1148)
+++ trunk/lit/tex4ht-4ht.tex	2022-06-14 15:04:29 UTC (rev 1149)
@@ -4327,6 +4327,63 @@
 >>> \AddFile{9}{ctex}
 
 %%%%%%%%%%%%%%%%%
+\Section{ctexart}
+%%%%%%%%%%%%%%%%%
+
+This is a class relatex to Ctex. It fails with a fatal error 
+with LuaTeX and XeTeX, so we need to suppress lot of it's behavior.
+
+We need to use the LaTeX hook mechanism to load the patch file
+before the class itself.
+
+\<add to usepackage\><<<
+\AddToHook{class/ctexart/before}{\input{ctexart-hooks.4ht}}
+>>>
+
+\<ctexart-hooks.4ht\><<<
+% ctexart-hooks.4ht (|version), generated from |jobname.tex
+% Copyright 2022 TeX Users Group
+|<TeX4ht license text|>
+\ExplSyntaxOn
+
+% prevent multiple execution of this file
+\ifdefined\l_save_engine_str\endinput\fi
+\str_new:N \l_save_engine_str 
+% stop processing if the engine is pdftex, we want to change processing only for LuaTeX
+\def\l_save_engine_str{pdftex}
+\str_if_eq:NNTF \c_sys_engine_str\l_save_engine_str{\ExplSyntaxOff\endinput}{}
+
+% the luatexja package causes fatal error
+\:dontusepackage{luatexja}
+
+% fix compilation errors 
+\AddToHook{package/ctexhook/after}{
+  % don't let ctex to insert any files
+  \cs_set:Npn \ctex_file_input:n #1{}
+  % define some macros that are declared in the input files, and which are needed in the class
+  \cs_set:Npn \ctex_add_to_selectfont:n #1{}
+  \dim_new:N \ccwd
+  \skip_new:N \l__ctex_ccglue_skip
+  \cs_set_protected:Npn \ctex_update_em_unit:
+  { \dim_set:Nn \ccwd { \f at size \p@ } }
+  \cs_set_protected:Npn \ctex_update_ccglue: {}
+}
+
+\ExplSyntaxOff
+\endinput
+>>> \AddFile{9}{ctexart-hooks}
+
+Add dummy .4ht file. We may use it in the future.
+
+\<ctexart.4ht\><<<
+% ctexart.4ht (|version), generated from |jobname.tex
+% Copyright 2022 TeX Users Group
+|<TeX4ht license text|>
+\Hinput{ctexart}
+\endinput
+>>> \AddFile{9}{ctexart}
+
+%%%%%%%%%%%%%%%%%
 \Section{polyglossia}
 %%%%%%%%%%%%%%%%%