%% %% This is file `kashida-xepersian-hm.def' %% %% Copyright (c) Hossein Movahhedian 2020 %% %% 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 %% %% Copyright notice: the following code is partly adapted from the code in %% 'kashida-xepersian.def' from xepersian package (v22.8). \ExplSyntaxOn \ProvidesExplFile {kashida-xepersian-hm.def} {2020-03-23} {0.3} { Fixes~implementation~of~Kashida~in~xepersian~package } \int_const:Nn \c_xepersianhm_zwj_int {"200D} % zero-width joiner \int_const:Nn \c_xepersianhm_lrm_int {"200E} % left-right-mark \int_const:Nn \c_xepersianhm_two_int {2} % 2 \int_const:Nn \c_xepersianhm_four_int {4} % 4 \int_const:Nn \c_xepersianhm_ksh_int {"0640} % kashida \int_const:Nn \c_xepersianhm_d_int {10} % dual-joiner class \int_const:Nn \c_xepersianhm_l_int {11} % lam \int_const:Nn \c_xepersianhm_r_int {12} % right-joiner \int_const:Nn \c_xepersianhm_a_int {13} % alef \int_const:Nn \c_xepersianhm_h_int {14} % heh \int_const:Nn \c_xepersianhm_y_int {15} % yeh \int_const:Nn \c_xepersianhm_v_int {4096} % vowel or other combining mark (to be ignored) \bool_new:N \l_kashida_on_bool \bool_new:N \l_kashida_hm_fix_bool \bool_new:N \l_kashida_xb_fix_bool \tl_new:N \l_hskip_zero_tl \tl_new:N \l_hskip_default_tl \cs_new:Npn \xepersian_kashida #1 { \bool_if:NT \l_kashida_on_bool { \c_xepersianhm_lrm_int\c_xepersianhm_zwj_int\tex_penalty:D 10000 \tex_leaders:D \tex_hrule:D height \XeTeXglyphbounds \c_xepersianhm_two_int \int_use:N \XeTeXcharglyph \c_xepersianhm_ksh_int depth \XeTeXglyphbounds \c_xepersianhm_four_int \int_use:N \XeTeXcharglyph \c_xepersianhm_ksh_int \skip_horizontal:n { #1 } \c_xepersianhm_zwj_int } } \XeTeXinterchartokenstate = 1 \clist_set:Nn \l_xepersianhm_a_clist { 0622,0623,0625,0627 } % ‏ا، إ، أ، آ‏ \clist_map_inline:Nn \l_xepersianhm_a_clist { \XeTeXcharclass "#1 \c_xepersianhm_a_int } \clist_set:Nn \l_xepersianhm_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_xepersianhm_d_clist { \XeTeXcharclass "#1 \c_xepersianhm_d_int } \clist_set:Nn \l_xepersianhm_l_clist { 0644 } % ‏ل‏ \clist_map_inline:Nn \l_xepersianhm_l_clist { \XeTeXcharclass "#1 \c_xepersianhm_l_int } \clist_set:Nn \l_xepersianhm_r_clist { 0624,0629,062F,0630,0631,0632,0648,0698 } % ‏ؤ,ة,د,ذ,ر,ز,و,ژ‏ \clist_map_inline:Nn \l_xepersianhm_r_clist { \XeTeXcharclass "#1 \c_xepersianhm_r_int } \clist_set:Nn \l_xepersianhm_v_clist { 064B,064C,064D,064E,064F,0650,0651,0652 } % ‏ً,ٌ,ٍ,َ,ُ,ِ,ّ,ْ‏ \clist_map_inline:Nn \l_xepersianhm_v_clist { \XeTeXcharclass "#1 \c_xepersianhm_v_int } \clist_set:Nn \l_xepersianhm_y_clist { 0649,064A,06CC } \clist_map_inline:Nn \l_xepersianhm_y_clist { \XeTeXcharclass "#1 \c_xepersianhm_y_int } \XeTeXinterchartoks \c_xepersianhm_y_int \c_xepersianhm_y_int = {\bool_if:NTF \l_kashida_hm_fix_bool {\xepersian_kashida {\l_hskip_default_tl}} {\xepersian_kashida \l_hskip_zero_tl}} \XeTeXinterchartoks \c_xepersianhm_d_int \c_xepersianhm_y_int = {\bool_if:NTF \l_kashida_hm_fix_bool {\xepersian_kashida {\l_hskip_default_tl}} {\xepersian_kashida \l_hskip_zero_tl}} \XeTeXinterchartoks \c_xepersianhm_y_int \c_xepersianhm_d_int = {\xepersian_kashida \l_hskip_zero_tl} \XeTeXinterchartoks \c_xepersianhm_d_int \c_xepersianhm_d_int = {\xepersian_kashida \l_hskip_zero_tl} \XeTeXinterchartoks \c_xepersianhm_l_int \c_xepersianhm_d_int = {\xepersian_kashida \l_hskip_zero_tl} \XeTeXinterchartoks \c_xepersianhm_d_int \c_xepersianhm_l_int = {\xepersian_kashida \l_hskip_zero_tl} \XeTeXinterchartoks \c_xepersianhm_l_int \c_xepersianhm_l_int = {\xepersian_kashida \l_hskip_zero_tl} \XeTeXinterchartoks \c_xepersianhm_d_int \c_xepersianhm_r_int = {\xepersian_kashida \l_hskip_zero_tl} \XeTeXinterchartoks \c_xepersianhm_d_int \c_xepersianhm_a_int = {\xepersian_kashida \l_hskip_zero_tl} \XeTeXinterchartoks \c_xepersianhm_l_int \c_xepersianhm_r_int = {\xepersian_kashida \l_hskip_zero_tl} \XeTeXinterchartoks \c_xepersianhm_l_int \c_xepersianhm_a_int = {} \NewDocumentCommand \KashidaOn {} { \bool_set_true:N \l_kashida_on_bool } \NewDocumentCommand \KashidaOff {} { \bool_set_false:N \l_kashida_on_bool } \NewDocumentCommand \KashidaXBFixOn {} { \bool_set_true:N \l_kashida_xb_fix_bool } \NewDocumentCommand \KashidaXBFixOff {} { \bool_set_false:N \l_kashida_xb_fix_bool } \NewDocumentCommand \KashidaHMFixOn {} { \bool_set_true:N \l_kashida_hm_fix_bool } \NewDocumentCommand \KashidaHMFixOff {} { \bool_set_false:N \l_kashida_hm_fix_bool } \ExplSyntaxOff \makeatletter \newif\if@Kashida@on \newif\if@Kashida@XB@fix \makeatother \ExplSyntaxOn \KashidaHMFixOn \tl_set:Nn \l_hskip_zero_tl { 0 em plus 0.5 em } \bool_if:NTF \l_kashida_hm_fix_bool { \tl_if_empty:NT \l_hskip_default_tl { \tl_set:Nn \l_hskip_default_tl { 0.14 em plus 0.5 em } } } { \tl_set:NV \l_hskip_default_tl \l_hskip_zero_tl } \KashidaOn \ExplSyntaxOff \endinput %% %% END OF FILE %%