xepersian-*kashida.tex file locations (5sep20)

git-svn-id: svn://tug.org/texlive/trunk@56272 c570f23f-e606-0410-a88d-b1316a301751

2 files changed, 300 insertions, 0 deletions

diff --git a/Master/texmf-dist/tex/xelatex/xepersian-hm/xepersian-hm-common-kashida.tex b/Master/texmf-dist/tex/xelatex/xepersian-hm/xepersian-hm-common-kashida.tex
new file mode 100644
index 00000000000..e8f18375b6e
--- /dev/null
+++ b/Master/texmf-dist/tex/xelatex/xepersian-hm/xepersian-hm-common-kashida.tex
@@ -0,0 +1,87 @@
+%%
+%% This is file `xepersian-hm-common-kashida.tex',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% xepersian-hm.dtx  (with options: `xepersian-hm-common-kashida-tex')
+%% 
+%% Copyright (C) 2020 Hossein Movahhedian
+%% 
+%% It may be distributed and/or modified under the LaTeX Project Public License,
+%% version 1.3c or higher (your choice). The latest version of
+%% this license is at: http://www.latex-project.org/lppl.txt
+%% 
+\ProvidesExplFile {xepersian-hm-common-kashida.tex} {2020-09-04} {1.1a} { Fixes~implementation~of~Kashida~in~xepersian~package }
+
+\bool_if:NT \l_xephm_ligature_bool
+{
+  \clist_new:N \l_xephm_ligatures_clist
+  \int_new:N \l_xephm_lig_names_len_int
+  \int_set:Nn \l_xephm_lig_names_len_int { \clist_count:N \l_xephm_lig_names_clist }
+  \int_step_inline:nnnn { 1 } { 2 } { \l_xephm_lig_names_len_int }
+    {
+      \int_set:Nn \l_tmpa_int { #1 }
+      \int_set:Nn \l_tmpb_int { \int_eval:n { \l_tmpa_int + 1 } }
+      \tl_set:Nf \l_tmpa_tl { \clist_item:Nn \l_xephm_lig_names_clist { \l_tmpa_int } }
+      \clist_set:Nx \l_tmpa_clist { { \clist_item:Nn \l_xephm_lig_names_clist { \l_tmpb_int } } }
+      \bool_if:nT { \tl_if_eq_p:NN  \l_xephm_active_ligs_tl  \l_tmpa_tl || \tl_if_eq_p:NN  \l_xephm_active_ligs_tl \l_xephm_lig_default_tl }
+        {
+          \clist_put_left:Nx \l_xephm_ligatures_clist { \l_tmpa_clist }
+        }
+    }
+  \clist_map_inline:Nn \l_xephm_ligatures_clist
+    {
+      \seq_set_split:Nnn \l_tmpa_seq { = } { #1 }
+      \seq_pop_left:NN \l_tmpa_seq \l_tmpa_tl { } { }
+      \seq_pop_left:NN \l_tmpa_seq \l_tmpb_tl { } { }
+      \tl_const:cx { \tl_use:N \l_tmpb_tl } { \char"\l_tmpa_tl \ }
+    }
+}
+
+\bool_if:NT \l_xephm_linebreakpenalty_bool
+{
+  %% Partly adapted from LaTeX2e source
+  \cs_new:Nn \xephm_line_break: {
+    \if_mode_vertical:
+      \GenericError{
+        \space\space\space\space\space\space\space\space\space\space\space\space\space\space\space
+        }{
+           LaTeX Error: There’s no line here to end
+        }{
+           See the LaTeX manual or LaTeX Companion for explanation.
+        }{
+           Your command was ignored.\MessageBreak
+           Type \space I <command> <return> \space to replace it~
+           with another command,\MessageBreak
+           or \space <return> \space to continue without it.}
+    \else:
+      \l_tmpa_skip \tex_lastskip:D
+      \tex_unskip:D
+      \tex_penalty:D -\l_xephm_line_break_penalty_int
+      \dim_compare:nT { \l_tmpa_skip > \c_zero_skip }
+        { \skip_horizontal:N \l_tmpa_skip  \tex_ignorespaces:D }
+    \fi:
+  }
+
+  \NewDocumentCommand { \discouragebadlinebreaks } { O{\l_xephm_line_break_penalty_int} O{\c_xephm_skip_b_tl} m }
+    {
+      \IfNoValueF {#1}
+        { \int_set:Nn \l_xephm_line_break_penalty_int {#1} }
+      \IfNoValueF {#2}
+        { \tl_set:Nn \l_xephm_skip_default_tl {#2} }
+      \xephm_put_line_breaks:n { #3 }
+   }
+
+  \cs_new_protected:Nn \xephm_put_line_breaks:n
+    {
+      \tl_set:Nn \l_xephm_line_break_tl { #1 }
+      \regex_replace_all:nnN { ([ابپتثجحخچدذرزژسشعغصضفقطظکگلمنوهیـ])+ } { \ \0 \  \c{xephm_line_break:}\  } \l_xephm_line_break_tl
+      \tl_use:N \l_xephm_line_break_tl
+    }
+}
+
+ \endinput
+%% 
+%%
+%% End of file `xepersian-hm-common-kashida.tex'.
diff --git a/Master/texmf-dist/tex/xelatex/xepersian-hm/xepersian-hm-kashida.tex b/Master/texmf-dist/tex/xelatex/xepersian-hm/xepersian-hm-kashida.tex
new file mode 100644
index 00000000000..56bf3319d6c
--- /dev/null
+++ b/Master/texmf-dist/tex/xelatex/xepersian-hm/xepersian-hm-kashida.tex
@@ -0,0 +1,213 @@
+%%
+%% This is file `xepersian-hm-kashida.tex',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% xepersian-hm.dtx  (with options: `xepersian-hm-kashida-tex')
+%% 
+%% Copyright (C) 2020 Hossein Movahhedian
+%% 
+%% It may be distributed and/or modified under the LaTeX Project Public License,
+%% version 1.3c or higher (your choice). The latest version of
+%% this license is at: http://www.latex-project.org/lppl.txt
+%% 
+\ProvidesExplFile {xepersian-hm-kashida.tex} {2020-09-04} {1.1a} { Fixes~implementation~of~Kashida~in~xepersian~package }
+
+\tex_input:D { xepersian-hm-common-kashida.tex }
+
+\newXeTeXintercharclass \c_xephm_d_charclass % dual-joiner class
+\newXeTeXintercharclass \c_xephm_l_charclass % lam
+\newXeTeXintercharclass \c_xephm_r_charclass % right-joiner
+\newXeTeXintercharclass \c_xephm_a_charclass % alef
+\newXeTeXintercharclass \c_xephm_y_charclass % yeh
+
+\tl_set:Nn \l_xephm_use_color_tl
+  {
+    \bool_if:NTF \l_xephm_color_bool
+      {
+        \colorlet{default}{\l_xephm_color_tl}
+      }
+      {
+        \colorlet{default}{.}
+      }
+      \color{default}
+  }
+
+%% Partly adapted from the code provided by David Carlisle in:
+%% https://tex.stackexchange.com/questions/356709/how-to-know-the-width-and-fill-the-glue-space-between-two-characters-when-using/356721#356721
+\cs_new:Npn \xephm_kashida_glyph #1
+{
+  \bool_if:NT \l_xephm_kashida_fix_bool
+  {
+    \c_xephm_lrm_int\tex_penalty:D 10000
+    \mode_leave_vertical:
+    \tex_global:D \tex_advance:D \l_xephm_counter_int \c_one_int
+
+    \tl_set:Nx \l_xephm_pos_tl { p\tex_romannumeral:D \l_xephm_counter_int }
+    \tl_set:Nx \l_xephm_zref_tl { z\tex_romannumeral:D \l_xephm_counter_int }
+
+    \zsaveposx{x_i_\l_xephm_zref_tl}
+    \tl_set:Nx \l_tmpa_tl
+      {
+        \iow_now:cx { @auxout }
+        {
+          \token_to_str:N \gdef \exp_after:wN \token_to_str:N \cs:w xi\l_xephm_pos_tl \cs_end: { \zposx{ x_i_\l_xephm_zref_tl } }
+        }
+      }
+    \l_tmpa_tl
+    \skip_horizontal:n { #1 }
+    \zsaveposx{x_f_\l_xephm_zref_tl}
+    \tl_set:Nx \l_tmpa_tl
+      {
+        \iow_now:cx { @auxout }
+        {
+          \token_to_str:N \gdef \exp_after:wN \token_to_str:N \cs:w xf\l_xephm_pos_tl \cs_end: { \zposx{ x_f_\l_xephm_zref_tl } }
+        }
+      }
+    \l_tmpa_tl
+    \exp_after:wN
+    \if_meaning:w
+      \cs:w xi\l_xephm_pos_tl \cs_end: \tex_relax:D
+    \else:
+      \dim_set:Nn \l_xephm_diff_pos_dim
+        {
+          \dim_eval:n { \cs:w xi\l_xephm_pos_tl \cs_end: sp - \cs:w xf\l_xephm_pos_tl \cs_end: sp }
+        }
+      \dim_compare:nTF { \l_xephm_diff_pos_dim == 0sp }
+        { }
+        { \llap { \resizebox { \l_xephm_diff_pos_dim \tex_relax:D } { \height } { \l_xephm_use_color_tl \c_xephm_ksh_int } } }
+    \fi:
+  }
+}
+
+\cs_new:Npn \xephm_kashida_leaders #1
+{
+  \bool_if:NT \l_xephm_kashida_fix_bool
+    {
+      \tl_if_eq:NNTF \l_xephm_gap_filler_tl  \l_xephm_stretch_leaders_glyph_tl
+        {
+          \tl_set:Nx \l_xephm_font_full_tl { \tex_fontname:D \tex_the:D \tex_font:D }
+          \tl_set:Nx \l_xephm_font_name_tl { \l_xephm_font_full_tl }
+          \tl_set:Nx \l_xephm_font_init_tl { \l_xephm_font_name_tl }
+          \regex_replace_once:nnN { ^"\[?(HM)[\_\ ](X|F).* } { \1\2 } \l_xephm_font_init_tl\relax
+          \tl_set:Nn \l_tmpa_tl { HMF }
+          \tl_set:Nn \l_tmpb_tl { HMX }
+          \bool_if:nTF { \str_if_eq_p:NN { \l_xephm_font_init_tl } { \l_tmpa_tl } || \str_if_eq_p:NN { \l_xephm_font_init_tl } { \l_tmpb_tl } }
+            {
+              \hbox_set:Nn \l_xephm_ksh_box { \l_xephm_use_color_tl \XeTeXglyph\XeTeXglyphindex"kashida" }
+              \c_xephm_zwj_int \tex_penalty:D 10000
+              \tex_leaders:D \copy\l_xephm_ksh_box \skip_horizontal:n { #1 }
+              \c_xephm_zwj_int
+            }
+            {
+              \msg_error:nnx { xepersian-hm } { hm-series-font-not-found } { \l_xephm_font_name_tl }
+            }
+        }
+        {
+          %% Partly adapted from the code provided by Jonathan Kew in:
+          %% https://tug.org/pipermail/xetex/2009-February/012307.html.
+          %% Somebody notified me that the code in 'kashida-xepersian.def' from xepersian
+          %% package is an exact copy of Jonathan Kew's code. Being unaware of this, in
+          %% the earlier versions of this package I made a mistake and acknowledged
+          %% Vafa Khalighi instead of Jonathan Kew. A sincere thank you to Jonathan Kew
+          %% for his excellent code.
+          \c_xephm_lrm_int\c_xephm_zwj_int
+          {\l_xephm_use_color_tl\tex_penalty:D 10000
+          \tex_leaders:D \tex_hrule:D height \XeTeXglyphbounds \c_xephm_two_int
+          \int_use:N \XeTeXcharglyph \c_xephm_ksh_int depth \XeTeXglyphbounds \c_xephm_four_int
+          \int_use:N \XeTeXcharglyph \c_xephm_ksh_int \skip_horizontal:n { #1 }
+          }
+          \c_xephm_zwj_int
+        }
+    }
+}
+
+\XeTeXinterchartokenstate = 1
+
+\clist_set:Nn \l_xephm_a_clist { 0622,0623,0625,0627 } % ‏ا، إ، أ، آ‏
+\clist_map_inline:Nn \l_xephm_a_clist
+  {
+    \XeTeXcharclass "#1 \c_xephm_a_charclass
+  }
+
+\clist_set:Nn \l_xephm_d_clist { 0626,0628,062A,062B,062C,062D,062E,0633,0634,0635,0636,0637,0638,0639,063A,0640,0641,0642,0643,0645,0646,0647,067E,0686,06A9,06AF } % ‏ئ,ب,ت,ث,ج,ح,خ,س,ش,ص,ض,ط,ظ,ع,غ,ـ,ف,ق,ك,م,ن,ه,پ,چ,ک,گ‏
+\clist_map_inline:Nn \l_xephm_d_clist
+  {
+    \XeTeXcharclass "#1 \c_xephm_d_charclass
+  }
+
+\clist_set:Nn \l_xephm_l_clist { 0644 } % ‏ل‏
+\clist_map_inline:Nn \l_xephm_l_clist
+  {
+    \XeTeXcharclass "#1 \c_xephm_l_charclass
+  }
+
+\clist_set:Nn \l_xephm_r_clist { 0624,0629,062F,0630,0631,0632,0648,0698 } % ‏ؤ,ة,د,ذ,ر,ز,و,ژ‏
+\clist_map_inline:Nn \l_xephm_r_clist
+  {
+    \XeTeXcharclass "#1 \c_xephm_r_charclass
+  }
+
+\clist_set:Nn \l_xephm_y_clist { 0649,064A,06CC } % ‏ی,ي,ى‏
+\clist_map_inline:Nn \l_xephm_y_clist
+  {
+    \XeTeXcharclass "#1 \c_xephm_y_charclass
+  }
+
+\tl_if_eq:NNTF  \l_xephm_gap_filler_tl  \l_xephm_stretch_glyph_tl {
+  \XeTeXinterchartoks \c_xephm_y_charclass \c_xephm_y_charclass = {
+    \bool_if:NTF \l_xephm_kashida_fix_bool
+    { \c_xephm_zwj_int \xephm_kashida_glyph \l_xephm_skip_default_tl \c_xephm_zwj_int }
+    { \c_xephm_zwj_int \xephm_kashida_glyph \c_xephm_skip_a_tl \c_xephm_zwj_int }
+  }
+  \XeTeXinterchartoks \c_xephm_d_charclass \c_xephm_y_charclass = {
+    \bool_if:NTF \l_xephm_kashida_fix_bool
+    { \c_xephm_zwj_int \xephm_kashida_glyph \l_xephm_skip_default_tl \c_xephm_zwj_int }
+    { \c_xephm_zwj_int \xephm_kashida_glyph \c_xephm_skip_a_tl \c_xephm_zwj_int }
+  }
+  \XeTeXinterchartoks \c_xephm_y_charclass \c_xephm_d_charclass = { \c_xephm_zwj_int \xephm_kashida_glyph \c_xephm_skip_a_tl \c_xephm_zwj_int }
+  \XeTeXinterchartoks \c_xephm_d_charclass \c_xephm_d_charclass = { \c_xephm_zwj_int \xephm_kashida_glyph \c_xephm_skip_a_tl \c_xephm_zwj_int }
+  \XeTeXinterchartoks \c_xephm_l_charclass \c_xephm_d_charclass = { \c_xephm_zwj_int \xephm_kashida_glyph \c_xephm_skip_a_tl \c_xephm_zwj_int }
+  \XeTeXinterchartoks \c_xephm_d_charclass \c_xephm_l_charclass = { \c_xephm_zwj_int \xephm_kashida_glyph \c_xephm_skip_a_tl \c_xephm_zwj_int }
+  \XeTeXinterchartoks \c_xephm_l_charclass \c_xephm_l_charclass = { \c_xephm_zwj_int \xephm_kashida_glyph \c_xephm_skip_a_tl \c_xephm_zwj_int }
+  \XeTeXinterchartoks \c_xephm_d_charclass \c_xephm_r_charclass = { \c_xephm_zwj_int \xephm_kashida_glyph \c_xephm_skip_a_tl \c_xephm_zwj_int }
+  \XeTeXinterchartoks \c_xephm_d_charclass \c_xephm_a_charclass = { \c_xephm_zwj_int \xephm_kashida_glyph \c_xephm_skip_a_tl \c_xephm_zwj_int }
+  \XeTeXinterchartoks \c_xephm_l_charclass \c_xephm_r_charclass = { \c_xephm_zwj_int \xephm_kashida_glyph \c_xephm_skip_a_tl \c_xephm_zwj_int }
+  \XeTeXinterchartoks \c_xephm_l_charclass \c_xephm_a_charclass = { }
+}
+{
+  \bool_if:nTF {
+    \tl_if_eq_p:NN  \l_xephm_gap_filler_tl  \l_xephm_stretch_leaders_glyph_tl ||
+    \tl_if_eq_p:NN  \l_xephm_gap_filler_tl  \l_xephm_stretch_leaders_hrule_tl
+  }
+  {
+    \XeTeXinterchartoks \c_xephm_y_charclass \c_xephm_y_charclass = {
+      \bool_if:NTF \l_xephm_kashida_fix_bool
+      { \xephm_kashida_leaders \l_xephm_skip_default_tl }
+      { \xephm_kashida_leaders \c_xephm_skip_a_tl }
+    }
+    \XeTeXinterchartoks \c_xephm_d_charclass \c_xephm_y_charclass = {
+      \bool_if:NTF \l_xephm_kashida_fix_bool
+      { \xephm_kashida_leaders \l_xephm_skip_default_tl }
+      { \xephm_kashida_leaders \c_xephm_skip_a_tl }
+    }
+    \XeTeXinterchartoks \c_xephm_y_charclass \c_xephm_d_charclass = { \xephm_kashida_leaders \c_xephm_skip_a_tl }
+    \XeTeXinterchartoks \c_xephm_d_charclass \c_xephm_d_charclass = { \xephm_kashida_leaders \c_xephm_skip_a_tl }
+    \XeTeXinterchartoks \c_xephm_l_charclass \c_xephm_d_charclass = { \xephm_kashida_leaders \c_xephm_skip_a_tl }
+    \XeTeXinterchartoks \c_xephm_d_charclass \c_xephm_l_charclass = { \xephm_kashida_leaders \c_xephm_skip_a_tl }
+    \XeTeXinterchartoks \c_xephm_l_charclass \c_xephm_l_charclass = { \xephm_kashida_leaders \c_xephm_skip_a_tl }
+    \XeTeXinterchartoks \c_xephm_d_charclass \c_xephm_r_charclass = { \xephm_kashida_leaders \c_xephm_skip_a_tl }
+    \XeTeXinterchartoks \c_xephm_d_charclass \c_xephm_a_charclass = { \xephm_kashida_leaders \c_xephm_skip_a_tl }
+    \XeTeXinterchartoks \c_xephm_l_charclass \c_xephm_r_charclass = { \xephm_kashida_leaders \c_xephm_skip_a_tl }
+    \XeTeXinterchartoks \c_xephm_l_charclass \c_xephm_a_charclass = { }
+  }
+  {
+    \msg_error:nnx { xepersian-hm } { error-value-not-available-for-kashida-option } { \l_xephm_gap_filler_tl }
+  }
+}
+
+ \endinput
+%% 
+%%
+%% End of file `xepersian-hm-kashida.tex'.