%% %% This is file `kashida-xepersian-hm.def', %% generated with the docstrip utility. %% %% The original source files were: %% %% xepersian-hm.dtx (with options: `kashida-xepersian-hm-def') %% %% 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 %% \ExplSyntaxOn \ProvidesExplFile {kashida-xepersian-hm.def} {2020-08-05} {1.0d} { Fixes~implementation~of~Kashida~in~xepersian~package } \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 \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 \space to replace it~ with another command,\MessageBreak or \space \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 } } %% 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_hm_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 } { \c_xephm_ksh_int } } } \fi: } } \cs_new:Npn \xephm_kashida_leaders #1 { \bool_if:NT \l_xephm_kashida_hm_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 { \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\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_hm_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_hm_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_hm_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_hm_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 } } } \NewDocumentCommand \KashidaHMFixOn {} { \bool_set_true:N \l_xephm_kashida_hm_fix_bool } \NewDocumentCommand \KashidaHMFixOff {} { \bool_set_false:N \l_xephm_kashida_hm_fix_bool } \tex_let:D \KashidaOn \KashidaHMFixOn \tex_let:D \KashidaOff \KashidaHMFixOff \bool_if:NTF \l_xephm_kashida_hm_fix_bool { \tl_if_empty:NT \l_xephm_skip_default_tl { \tl_set:Nn \l_xephm_skip_default_tl { 0.14 em plus 0.5 em } } } { \tl_set:NV \l_xephm_skip_default_tl \c_xephm_skip_a_tl } \ExplSyntaxOff \makeatletter \newif\if@Kashida@on %% Becuase Vafa Khalighi has copied the above code (injecting the character uni+200E) in xepersian-23.0 %% (https://tug.org/svn/texlive/trunk/Master/texmf-dist/tex/xelatex/xepersian/kashida-xepersian.def?revision=55165&view=co), %% the following line of code is not needed in xepersian anymore. %% % \newif\if@Kashida@XB@fix \makeatother \endinput %% %% %% End of file `kashida-xepersian-hm.def'.