6 \NeedsTeXFormat{LaTeX2e}
7 \ProvidesPackage{luatexja-ruby}[2020-10-05 v0.3]
8 \RequirePackage{luatexja}
11 \newattribute\ltj@rubyattr
13 \RequireLuaTeXjaSubmodule{ruby}
15 % ltjset/getparameter への追加設定
19 %% この文字への pre-, post-intrusion の許容量
20 \define@key[ltj]{japaram}{rubypreintrusion}{%
21 \ltj@@set@stack@real{RIPRE}{0}{0x7FFFFFFF}#1 }
22 \define@key[ltj]{japaram}{rubypostintrusion}{%
23 \ltj@@set@stack@real{RIPOST}{0}{0x7FFFFFFF}#1 }
24 \def\ltj@@set@stack@real#1#2#3{%
25 \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.#1,
26 #2, #3, token.scan_word)}}
30 \define@key[ltj]{ruby}{#1}{\expandafter\def\csname ltj@@rubyip@#1\endcsname{##1}}
33 %% bit 0: intrusion を有効にするか(1: 有効)
34 %% bit 1: 前後の intrusion 許容量を小さい方に揃える (1: yes)
35 %% bit 2, 3: intrusion をどう使って親文字を配置するか
36 %% 00: intrusion なしでとりあえず計算し,左右の突出分を進入に割り当てる
37 %% 01: pre-intrusion でまかなえるだけまかない,無理なら post- も使う
39 %% 11: 2 min (pre,post) までは pre, post に均等配分しようとする
40 %% >=01 で,intrusion で賄えきれなかった場合はいつものように伸長する.
41 %% bit 4: 熟語ルビの際の処理方法(0: 常にグループ,1: 可能な限りブロックごとに)
44 %% intrusion 量強制固定(bit 0, bit 1 より優先,負数で「自動」)
45 %% attr は sp 単位だが,ユーザーはルビ全角単位で指定する
46 %% attr_ruby_maxprep, attr_ruby_maxpostp
49 %% 親文字伸長の際の比,{0}{1}{1} などと0--7 の数 3 つで指定
50 %% attr_ruby_stretch (bol left,middle,right)(eol)(middle) 27-bits
51 \ltj@@rkeydef{stretchbol} % 行頭形
52 \ltj@@rkeydef{stretcheol} % 行末形
53 \ltj@@rkeydef{stretch} % 行中形
54 %% ルビが伸長するときの比 {1}{2}{1} などと0--7 の数 3 つで指定
55 %% attr_ruby_mode 上位部分
56 \ltj@@rkeydef{stretchruby}
57 %% ルビ<親のとき,ルビと親文字の端の最大値
58 %% attr_ruby_maxmargin
59 %% attr は sp 単位だが,ユーザーは親文字全角単位で指定
60 \ltj@@rkeydef{maxmargin}
63 %% attr は sp 単位だが,ユーザーは親文字全角単位で指定
64 \ltj@@rkeydef{intergap}
66 \ltj@@rkeydef{kenten}%% 圏点文字
67 \ltj@@rkeydef{fontcmd}%% フォント
68 \define@boolkey[ltj]{ruby}{rubysmash}[true]{}
70 \ltj@@rkeydef{ybaseheight} % 縦組以外 (yoko, utod, dtou)
71 \ltj@@rkeydef{tbaseheight} % 縦組
72 \define@key[ltj]{ruby}{baseheight}{%
73 \expandafter\def\csname ltj@@rubyip@ybaseheight\endcsname{#1}%
74 \expandafter\def\csname ltj@@rubyip@tbaseheight\endcsname{#1}%
77 %% これらの値が正のとき,親文字の高さをこの値(\zh 単位)とみなす
80 \protected\def\ltjsetruby{\setkeys[ltj]{ruby}}
82 % ここからは ruby マクロ内でなんとかされる事項
87 \define@key[ltj]{ruby}{naka}[none]{\setkeys[ltj]{ruby}{mode=1, stretch=121, stretchruby=121}}
89 \define@key[ltj]{ruby}{kata}[none]{\setkeys[ltj]{ruby}{mode=9, stretch=121, stretchruby=001}}
94 \def\ltj@@ruby@create@table#1{% #1: ルビ全角
96 rubyzw = \ltj@safe@dimen{#1},
97 maxmargin = \ltj@safe@dimen{\ltj@@rubyip@maxmargin\zw},
98 pre = \ltj@safe@dimen{\ltj@@rubyip@pre#1},
99 post = \ltj@safe@dimen{\ltj@@rubyip@post#1},
100 intergap = \ltj@safe@dimen{\ltj@@rubyip@intergap\zh},
102 = 262144 * \expandafter\ltj@@ruby@cts\ltj@@rubyip@stretchbol
103 + 512 * \expandafter\ltj@@ruby@cts\ltj@@rubyip@stretcheol
104 + \expandafter\ltj@@ruby@cts\ltj@@rubyip@stretch,
106 = (2097152 * \expandafter\ltj@@ruby@cts\ltj@@rubyip@stretchruby
107 + \ltj@safe@num{\ltj@@rubyip@mode}
108 + 1048576 * \ifltj@ruby@rubysmash1\else0\fi),
109 baseheight = \ltj@safe@dimen{\ifnum\ltjgetparameter{direction}=3
110 \ltj@@rubyip@tbaseheight\else\ltj@@rubyip@ybaseheight\fi\zh},
114 %%% 1098765432109876543210976543210
115 %%% |st_ruby|! |--| ← mode
116 \def\ltj@@ruby@cts#1#2#3{%
117 ((\ltj@safe@num{#1}) * 64 + (\ltj@safe@num{#2}) * 8 + \ltj@safe@num{#3})%
121 %%%%%%%% ZR さんの PXrubrica パッケージ中のコードから引用・改変
122 % \pxrr@decompbar: a|bc -> \ltj@@ruby@mark{a}\ltj@@ruby@mark{bc}
125 \ifx#1\expandafter\@firstoftwo
126 \else\expandafter\@secondoftwo
129 \def\pxrr@nil{\noexpand\pxrr@nil}
130 \def\pxrr@end{\noexpand\pxrr@end}
131 \def\pxrr@appto#1#2{%
132 \expandafter\def\expandafter#1\expandafter{#1#2}%
134 \def\pxrr@decompbar#1{%
136 \pxrr@decompbar@loopa\pxrr@nil#1|\pxrr@end|%
138 \def\pxrr@decompbar@loopa#1|{%
139 \expandafter\pxrr@decompbar@loopb\expandafter{\@gobble#1}%
141 \def\pxrr@decompbar@loopb#1{%
142 \pxrr@decompbar@loopc#1\relax\pxrr@nil{#1}%
144 \def\pxrr@decompbar@loopc#1#2\pxrr@nil#3{%
145 \pxrr@ifx{#1\pxrr@end}{}{%
147 \def\pxrr@res{\ltj@@ruby@mark}%
149 \pxrr@appto\pxrr@res{\ltj@@ruby@mark}%
151 \pxrr@appto\pxrr@res{{#3}}%
152 \pxrr@decompbar@loopa\pxrr@nil
158 \protected\def\ltjruby{\@ifnextchar[\ltj@@ruby{\ltj@@ruby[]}}%]
160 \ifdefined\ruby\else\let\ruby=\ltjruby\fi
161 \directlua{luatexja.ruby.read_old_break_info()}%
163 \def\ltj@@ruby[#1]#2#3{{% #1: option #2: 親文字群,#3: ルビ文字列群,共に| 区切り
164 \setkeys[ltj]{ruby}{#1}%
165 \directlua{luatexja.ruby.ruby_tmplist_r = \string{\string};
166 luatexja.ruby.ruby_tmplist_p = \string{\string}}%
167 \leavevmode\dimen0=\f@size pt\dimen1=\ltj@@rubyip@size\dimen0%
169 \pxrr@decompbar{#2}{\let\ltj@@ruby@mark\ltj@@ruby@sp\pxrr@res}%
170 \pxrr@decompbar{#3}{\let\ltj@@ruby@mark\ltj@@ruby@sr\pxrr@res}%
171 {\fontsize{\ltj@@rubyip@size\dimen0}\z@\selectfont\ltj@@rubyip@fontcmd\global\dimen1=\zw}%
173 luatexja.ruby.texiface(\ltj@@ruby@create@table{\dimen1},
174 luatexja.ruby.ruby_tmplist_r, luatexja.ruby.ruby_tmplist_p)}%
177 \def\ltj@@ruby@sr#1{%
178 \setbox0=\hbox{\fontsize{\dimen1}\z@\ltj@@rubyip@fontcmd\selectfont#1}%
179 \directlua{table.insert(luatexja.ruby.ruby_tmplist_r, luatexja.ruby.cpbox())}%
181 \def\ltj@@ruby@sp#1{%
182 \setbox0=\hbox{\selectfont#1}%
183 \directlua{table.insert(luatexja.ruby.ruby_tmplist_p, luatexja.ruby.cpbox())}%
186 \protected\def\ltjkenten{\@ifnextchar[\ltj@@kenten{\ltj@@kenten[]}}%]
187 \let\kenten=\ltjkenten
188 \def\ltj@@kenten[#1]#2{{%
189 \setkeys[ltj]{ruby}{#1, stretchruby=101}%
190 \@tfor\ltj@@kenten@temp:=#2\do{\ltj@@ruby[]{\ltj@@kenten@temp}{\ltj@@rubyip@kenten}}%
195 \count@="3040\loop\relax\ifnum \count@<"30A0
196 \ltjsetparameter{rubypreintrusion={\the\count@,1},
197 rubypostintrusion={\the\count@,1}}
198 \advance\count@1\repeat
200 \count@="30A0\loop\relax\ifnum \count@<"3100
201 \ltjsetparameter{rubypreintrusion={\the\count@,1},
202 rubypostintrusion={\the\count@,1}}
203 \advance\count@1\repeat
205 \count@="1B000\loop\relax\ifnum \count@<"1B170
206 \ltjsetparameter{rubypreintrusion={\the\count@,1},
207 rubypostintrusion={\the\count@,1}}
208 \advance\count@1\repeat
210 \ltjsetparameter{rubypreintrusion={`「,1},
211 rubypostintrusion={`」,1}}
213 \ltjsetparameter{rubypreintrusion={`,,1},
214 rubypostintrusion={`,,1}}
215 \ltjsetparameter{rubypreintrusion={`、,1},
216 rubypostintrusion={`、,1}}
218 \ltjsetparameter{rubypreintrusion={`・,1},
219 rubypostintrusion={`・,1}}
221 \ltjsetparameter{rubypreintrusion={-1,1}}
224 pre=-1, post=-1, mode=1,
225 stretchruby={1}{2}{1}, stretch = {1}{2}{1},
226 stretchbol={0}{1}{1}, stretcheol={1}{1}{0},
227 maxmargin=0.5, size=0.5, intergap=0, rubysmash=false,
228 kenten=\ltjalchar`•, fontcmd=\relax, ybaseheight=0.88, tbaseheight=0.5