summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/tex/xelatex/xepersian/kashida-xepersian.def
blob: 73b6f2724c3d4f7c7a547cfc90bba774fbc7c930 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
%%
%% This is file `kashida-xepersian.def',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% xepersian.dtx  (with options: `table,kashida-xepersian.def')
%% 
%%   __________________________________________________
%%   Copyright (c) 2008--2017  Vafa Khalighi <persian-tex@tug.org>
%% 
%%   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
%% 
%%   This work is “author-maintained” (as per LPPL maintenance status)
%%   by Vafa Khalighi.
%% 
%% 
%% \CheckSum{9242}
%% \CharacterTable
%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
%%   Digits        \0\1\2\3\4\5\6\7\8\9
%%   Exclamation   \!     Double quote  \"     Hash (number) \#
%%   Dollar        \$     Percent       \%     Ampersand     \&
%%   Acute accent  \'     Left paren    \(     Right paren   \)
%%   Asterisk      \*     Plus          \+     Comma         \,
%%   Minus         \-     Point         \.     Solidus       \/
%%   Colon         \:     Semicolon     \;     Less than     \<
%%   Equals        \=     Greater than  \>     Question mark \?
%%   Commercial at \@     Left bracket  \[     Backslash     \\
%%   Right bracket \]     Circumflex    \^     Underscore    \_
%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
%%   Right brace   \}     Tilde         \~}
%%
\ProvidesFile{kashida-xepersian.def}[2016/09/09 v0.5 implementation of Kashida for xepersian package]
\chardef\xepersian@zwj="200D % zero-width joiner

\chardef\xepersian@D=10 % dual-joiner class
\chardef\xepersian@L=11 % lam
\chardef\xepersian@R=12 % right-joiner
\chardef\xepersian@A=13 % alef
\chardef\xepersian@V=4096 % vowel or other combining mark (to be ignored)
\newif\if@Kashida@on
\def\xepersian@kashida{\if@Kashida@on\xepersian@zwj\nobreak%
    \leaders\hrule height \XeTeXglyphbounds\tw@ \the\XeTeXcharglyph"0640  depth \XeTeXglyphbounds\f@ur \the\XeTeXcharglyph"0640 \hskip0pt plus 0.5em \xepersian@zwj\fi}

\def\setclass#1#2{\def\theclass{#1}\def\charlist{#2}%
  \expandafter\dosetclass\charlist,\end}
\def\dosetclass#1,#2\end{%
  \def\test{#1}\def\charlist{#2}%
  \ifx\test\empty\let\next\finishsetclass
  \else \XeTeXcharclass "\test = \theclass
     \let\next\dosetclass \fi
  \expandafter\next\charlist,,\end}
\def\finishsetclass#1,,\end{}

\setclass \xepersian@A {0622,0623,0625,0627}
\setclass \xepersian@R {0624,0629,062F,0630,0631,0632,0648,0698}
\setclass \xepersian@D {0626,0628,062A,062B,062C,062D,062E}
\setclass \xepersian@D {0633,0634,0635,0636,0637,0638,0639,063A}
\setclass \xepersian@D {0640,0641,0642,0643,0645,0646,0647,0649,064A}
\setclass \xepersian@D {067E,0686,06A9,06AF,06CC}
\setclass \xepersian@L {0644}
\setclass \xepersian@V {064B,064C,064D,064E,064F,0650,0651,0652}

\XeTeXinterchartoks \xepersian@D \xepersian@D = {\xepersian@kashida}
\XeTeXinterchartoks \xepersian@L \xepersian@D = {\xepersian@kashida}
\XeTeXinterchartoks \xepersian@D \xepersian@L = {\xepersian@kashida}
\XeTeXinterchartoks \xepersian@L \xepersian@L = {\xepersian@kashida}
\XeTeXinterchartoks \xepersian@D \xepersian@R = {\xepersian@kashida}
\XeTeXinterchartoks \xepersian@D \xepersian@A = {\xepersian@kashida}
\XeTeXinterchartoks \xepersian@L \xepersian@R = {\xepersian@kashida}
\XeTeXinterchartoks \xepersian@L \xepersian@A = {}

\newcommand{\KashidaOn}{\@Kashida@ontrue}
\newcommand{\KashidaOff}{\@Kashida@onfalse}
\KashidaOn
\endinput
%%
%% End of file `kashida-xepersian.def'.