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[luatex-ja/luatexja.git] / src / patches / lltjp-listings.sty
1 %
2 % lltjp-listings.sty
3 %
4
5 \NeedsTeXFormat{LaTeX2e}
6 \ProvidesPackage{lltjp-listings}[2015/09/08 Patch to listings for LuaTeX-ja]
7 \RequirePackage{listings,luatexbase-cctb}
8
9 %%%%%%%%%%%%%%%% Japanese support
10 %% whether letter-space in a fixed mode box is doubled or not
11 \newif\if@ltj@lst@double
12 \lst@Key{doubleletterspace}f[t]{\lstKV@SetIf{#1}\if@ltj@lst@double}
13
14 %% IVS support
15 \newif\if@ltj@lst@vsraw
16 \def\ltj@lst@vscmd{}
17 \lst@Key{vsraw}f[t]{\lstKV@SetIf{#1}\if@ltj@lst@vsraw}
18 \lst@Key{vscmd}\relax{\def\ltj@lst@vscmd{#1}}
19
20 % 既定の IVS 出力コマンド
21 \def\ltjlistingsvsstdcmd#1{\@tempdima=\f@size pt%
22   \smash{\raisebox{.35\@tempdima}{\tt%
23     \fboxsep=.1\@tempdima\fbox{\fontsize{.5\@tempdima}{\z@}\selectfont
24       \oalign{\hss VS\hss\crcr\hss#1\hss\crcr}}}}}
25 \def\ltj@lst@vscmd{\ltjlistingsvsstdcmd}
26
27 % override \lst@FillFixed@
28 % \ltj@hst@hss is \ltj@lst@hss@ivs or \ltj@lst@hss@normal,
29 % according to vsraw = true or not.
30 \def\lst@FillFixed@#1{%
31   \ifx\@empty#1\else\ltj@lst@hss#1\expandafter\lst@FillFixed@\fi}
32
33 \directlua{
34   local cat_str = luatexbase.catcodetables['string']
35   local cat_lp  = luatexbase.catcodetables['latex-package']
36   local ubyte = unicode.utf8.byte
37   local spccmd = string.char(0x5C) .. 'ltj@lst@hss@normal'
38   luatexja.lst = {}
39   function luatexja.lst.althss(t)
40     t = ubyte(t)
41     if not (t>=0xE0100 and t<0xE01F0) then
42       tex.sprint(cat_lp, spccmd)
43     end
44   end
45 }
46 \def\ltj@lst@hss@ivs#1{%
47   \directlua{luatexja.lst.althss('\luatexluaescapestring{#1}')}#1%
48 }
49 \def\ltj@lst@hss@double{\lst@hss\lst@hss}
50
51 % lowest level
52 \newif\if@ltj@lst@kanji
53 \lst@AddToHook{InitVars}{\@ltj@lst@kanjifalse}
54
55 \def\lst@AppendLetter{%
56     \ltj@lst@setletterflag\lst@Append}
57 \def\lst@AppendOther{%
58     \lst@ifletter\lst@Output\lst@letterfalse\fi\@ltj@lst@kanjifalse
59     \futurelet\lst@lastother\lst@Append}
60
61 \def\ltj@lst@setletterflag{%
62   \lst@ifletter
63     \if@ltj@lst@kanji\lst@Output\@ltj@lst@kanjifalse\fi
64   \else
65     \lst@lettertrue\if@ltj@lst@kanji\@ltj@lst@kanjifalse\else\lst@OutputOther\fi
66   \fi}
67
68 \def\ltj@lst@setkanjiflag{%
69   \lst@ifletter
70     \lst@Output
71   \else
72     \if@ltj@lst@kanji\else\lst@OutputOther\fi\lst@lettertrue
73   \fi\@ltj@lst@kanjitrue}
74
75 \def\ltj@lst@setopenflag{%
76   \lst@ifletter
77     \lst@letterfalse\lst@Output
78   \else
79     \if@ltj@lst@kanji\else\lst@OutputOther\fi
80   \fi\@ltj@lst@kanjitrue}
81
82 \def\ltj@lst@setcloseflag{%
83   \lst@ifletter\else\lst@lettertrue\fi\@ltj@lst@kanjitrue}
84
85 % Processing Japanese characters
86 \def\ltj@lst@ProcessJALetter#1{%
87   \lst@whitespacefalse
88   \ifnum\ltjgetparameter{jacharrange}{\ltjgetparameter{chartorange}{`#1}}=0
89     \ifnum\ltjgetparameter{postbreakpenalty}{`#1}>0
90       \ltj@lst@setopenflag    % 開き括弧類
91     \else
92       \ifnum\ltjgetparameter{prebreakpenalty}{`#1}>0
93         \ltj@lst@setcloseflag % 閉じ括弧類,句読点
94       \else
95         \ltj@lst@setkanjiflag % 通常の和文文字
96     \fi\fi
97     \advance\lst@length\@ne   % 和文文字は通常の2倍の幅
98   \else
99     \ltj@lst@setletterflag
100   \fi
101   \lst@Append#1}
102
103 % 半角カナ処理命令
104 \def\ltj@lst@ProcessJALetterHalf#1{%
105   \lst@whitespacefalse
106   \ifnum\ltjgetparameter{jacharrange}{\ltjgetparameter{chartorange}{`#1}}=0
107     \ifnum\ltjgetparameter{postbreakpenalty}{`#1}>0
108       \ltj@lst@setopenflag    % 開き括弧類
109     \else
110       \ifnum\ltjgetparameter{prebreakpenalty}{`#1}>0
111         \ltj@lst@setcloseflag % 閉じ括弧類
112       \else
113         \ltj@lst@setkanjiflag % 通常の和文文字
114     \fi\fi
115     % 半角カナは欧文文字と同じ幅
116   \else
117     \ltj@lst@setletterflag
118   \fi
119   \lst@Append#1}
120
121 % 漢字用異体字セレクタ命令
122 \def\ltj@lst@ProcessIVS#1{%
123   \lst@whitespacefalse
124   \if@ltj@lst@vsraw
125     \lst@Append#1\advance\lst@length\m@ne
126   \else
127     \lst@TrackNewLines\lst@OutputLostSpace \lst@PrintToken
128     \setbox\@tempboxa\hbox to 2\lst@width{\hss
129        \expandafter\expandafter\expandafter\ltj@lst@vscmd
130        \expandafter{\the\numexpr`#1-"E00EF\relax}%"
131     \hss}%
132     \lst@CalcLostSpaceAndOutput\lst@whitespacefalse
133   \fi
134 }
135
136 % Variation Selector
137 \def\ltj@lst@ProcessVS#1{%
138   \lst@whitespacefalse
139   \if@ltj@lst@vsraw
140     \lst@Append#1\advance\lst@length\m@ne
141   \else
142     \lst@TrackNewLines\lst@OutputLostSpace \lst@PrintToken
143     \setbox\@tempboxa\hbox to 2\lst@width{\hss
144        \expandafter\expandafter\expandafter\ltj@lst@vscmd
145        \expandafter{\the\numexpr`#1-"FDFF\relax}%"
146     \hss}%
147     \lst@CalcLostSpaceAndOutput\lst@whitespacefalse
148   \fi
149 }
150
151
152 % 半角カナ,異体字セレクタはアクティブ化
153 \def\ltj@@listing@jpsetN#1#2#3{% for (not large) range
154   \@tempcnta=\numexpr#1-1\relax\@tempcntb=\numexpr 1+#2\relax
155   \loop \global\advance\@tempcnta\@ne\ifnum\@tempcnta<\@tempcntb\relax
156     \ltj@@listing@jpsetN@{\@tempcnta}{#3}\repeat
157 }
158
159 \def\ltj@@listing@jpsetN@#1#2{{%
160     \@tempcnta=#1 \lccode`\~=\@tempcnta \lccode`\/=\@tempcnta
161     \lowercase{\gdef\@temp{\gdef~{#2/}}}}%
162   \@temptokena\expandafter\expandafter\expandafter\expandafter%
163   \expandafter\expandafter\expandafter{\expandafter\expandafter%
164   \expandafter\the\expandafter\@temptokena\@temp}%
165 }
166 \@temptokena{}
167 \ltj@@listing@jpsetN{65377}{65439}{\ltj@lst@ProcessJALetterHalf}
168 \ltj@@listing@jpsetN{65024}{65039}{\ltj@lst@ProcessVS}
169 \ltj@@listing@jpsetN{917760}{917999}{\ltj@lst@ProcessIVS}
170 \xdef\ltj@@listing@jpcmd{\the\@temptokena}\@temptokena{}
171
172 % catcode 対策
173 \newluatexcatcodetable\CatcodeTableLTJlistings
174 \setluatexcatcodetable\CatcodeTableLTJlistings{%
175   \luatexcatcodetable\CatcodeTableLaTeXAtLetter
176   \catcode"FFFFF=13%"
177   \SetCatcodeRange{"FF61}{"FF9F}{13}%     半角カナ
178   \SetCatcodeRange{"E0100}{"E01EF}{13}%   漢字用異体字セレクタ
179   \SetCatcodeRange{"FE00}{"FE0F}{13}%     Variation Selector
180 }
181
182 % redefine \lstinline@ and \lst@InlineG
183 % because \lstinline!あ...! causes ``Runaway argument?'' Error
184 \def\lstinline@#1{%
185     \lst@Init\relax
186     \ltj@lst@check@inline{\lst@InlineM#1}{\lst@InlineJ#1}}
187 \def\lst@InlineG{%
188     \lst@Init\relax
189     \ltj@lst@check@inline{\lst@InlineM\}}%
190                          {\let\lst@arg\@empty \lst@InlineGJ}}
191
192 \def\ltj@lst@check@inline#1#2#3{%
193     \begingroup \lccode`\~=`#3\lowercase{\endgroup
194     \ifx~}#3%
195         \def\lst@next{#1}%
196     \else\ifnum`#3>127\relax
197         \def\lst@next{#1}%
198     \else
199         \def\lst@next{#2}%
200     \fi\fi\lst@next #3}
201
202 % We redefine \lst@BeginDropInput, since now we have
203 % two additional `process macros'.
204 \def\lst@BeginDropInput#1{%
205     \lst@EnterMode{#1}%
206     {\lst@modetrue
207      \let\lst@OutputBox\@gobble
208      \let\lst@ifdropinput\iftrue
209      \let\lst@ProcessLetter\@gobble
210      \let\lst@ProcessDigit\@gobble
211      \let\lst@ProcessOther\@gobble
212      \let\lst@ProcessSpace\@empty
213      \let\lst@ProcessTabulator\@empty
214      \let\lst@ProcessFormFeed\@empty
215      \let\ltj@lst@ProcessJALetter\@gobble     % added
216      \let\ltj@lst@ProcessJALetterHalf\@gobble % added
217 }}
218
219
220 % hook!
221 \lst@AddToHook{Init}{%
222   \luatexcatcodetable\CatcodeTableLTJlistings\ltj@@listing@jpcmd
223   \lccode`\~="FFFFF\lowercase{\def~{\ltj@lst@ProcessJALetter}}%"
224   \directlua{luatexbase.add_to_callback('process_input_buffer',
225     function(buf)
226       local ret = ''
227       for i = 1, utf.len(buf) do
228         local c = utf.sub(buf, i, i)
229         local cu = utf.byte(c)
230         if cu >= 0x80 and tex.getcatcode(cu) \string~= 13 then
231           ret = ret .. utf.char(1048575) % U+FFFFF
232         end
233         ret = ret .. c
234       end
235       return ret
236     end, 'ltj.listings_unicode', 1)}%
237   \if@ltj@lst@double
238     \let\ltj@lst@hss@normal=\ltj@lst@hss@double
239   \else
240     \let\ltj@lst@hss@normal=\lst@hss
241   \fi
242   \if@ltj@lst@vsraw
243     \let\ltj@lst@hss=\ltj@lst@hss@ivs
244   \else
245     \let\ltj@lst@hss=\ltj@lst@hss@normal
246   \fi
247 }
248 \lst@AddToHook{ExitVars}{%
249   \directlua{luatexbase.remove_from_callback('process_input_buffer', 
250     'ltj.listings_unicode')}%
251 }
252
253
254 % 白線対策
255 \gdef\lst@frameInit{%
256     \ifx\lst@framelshape\@empty \let\lst@frameL\@empty \fi
257     \ifx\lst@framershape\@empty \let\lst@frameR\@empty \fi
258     \def\lst@framevrule{\vrule\@width\lst@framerulewidth\relax}%
259     \lst@ifframeround
260         \lst@frameCalcDimA\z@ \@getcirc\@tempdima
261         \@tempdimb\@tempdima \divide\@tempdimb\tw@
262         \advance\@tempdimb -\@wholewidth
263         \edef\lst@frametextsep{\the\@tempdimb}%
264         \edef\lst@framerulewidth{\the\@wholewidth}%
265         \lst@frameCalcDimA\@ne \@getcirc\@tempdima
266         \@tempdimb\@tempdima \divide\@tempdimb\tw@
267         \advance\@tempdimb -\tw@\@wholewidth
268         \advance\@tempdimb -\lst@frametextsep
269         \edef\lst@rulesep{\the\@tempdimb}%
270     \fi
271     \lst@frameMakeBoxV\lst@framebox{\ht\strutbox}{\dp\strutbox}%
272     %%%%  ここから
273     \@tempdima\z@
274     \ifdim\ht\strutbox<\cht\@tempdima=\dimexpr\cht-\ht\strutbox\relax\fi
275     \ifdim\dp\strutbox<\cdp\advance\@tempdima=\dimexpr\cdp-\dp\strutbox\relax\fi
276     \edef\lst@framelr{\lineskiplimit-\the\@tempdima\copy\lst@framebox}%
277     %%%% ここまで
278     \ifx\lst@frametshape\@empty\else
279         \lst@frameH T\lst@frametshape
280         \ifvoid\z@\else
281             \par\lst@parshape
282             \@tempdima-\baselineskip \advance\@tempdima\ht\z@
283             \ifdim\prevdepth<\@cclvi\p@\else
284                 \advance\@tempdima\prevdepth
285             \fi
286             \ifdim\@tempdima<\z@
287                 \vskip\@tempdima\vskip\lineskip
288             \fi
289             \noindent\box\z@\par
290             \lineskiplimit\maxdimen \lineskip\z@
291         \fi
292         \lst@frameSpreadV\lst@framextopmargin
293     \fi}
294
295
296
297 %%%%%%%%%%%%%%%% escape to \LaTeX
298 \lstloadaspects{escape}
299 \gdef\lst@Escape#1#2#3#4{%
300     \lst@CArgX #1\relax\lst@CDefX
301         {}%
302         {\lst@ifdropinput\else
303          \lst@TrackNewLines\lst@OutputLostSpace \lst@XPrintToken
304          \lst@InterruptModes
305          \lst@EnterMode{\lst@TeXmode}{\lst@modetrue}%
306          \ifx\^^M#2%
307              \lst@CArg #2\relax\lst@ActiveCDefX
308                  {}%
309                  {\lst@escapeend #4\lst@LeaveAllModes\lst@ReenterModes}%
310                  {\lst@MProcessListing}%
311          \else
312              \lst@CArg #2\relax\lst@ActiveCDefX
313                  {}%
314                  {\lst@escapeend #4\lst@LeaveAllModes\lst@ReenterModes
315                   \lst@newlines\z@ \lst@whitespacefalse}%
316                  {}%
317          \fi
318          #3\catcode"FFFFF=9\lst@escapebegin%"
319          \fi}%
320         {}}
321
322 %%%%%%%%%%%%%%%%
323 \lstloadaspects{writefile}
324 \begingroup \catcode`\^^I=11
325 \gdef\lst@WFBegin#1#2{%
326     \begingroup
327     \let\lst@OutputBox#1%
328     \def\lst@Append##1{%
329         \advance\lst@length\@ne
330         \expandafter\lst@token\expandafter{\the\lst@token##1}%
331         \ifx ##1\lst@outputspace \else
332             \lst@WFAppend##1%
333         \fi}%
334     \lst@lAddTo\lst@PreGotoTabStop{\lst@WFAppend{^^I}}%
335     \lst@lAddTo\lst@ProcessSpace{\lst@WFAppend{ }}%
336     \def\ltj@lst@ProcessIVS##1{\lst@whitespacefalse\lst@Append##1}%
337     \def\ltj@lst@ProcessVS##1{\lst@whitespacefalse\lst@Append##1}%
338     \let\lst@DeInit\lst@WFDeInit
339     \let\lst@MProcessListing\lst@WFMProcessListing
340     \lst@WFifopen\else
341         \immediate\openout\lst@WF=#2\relax
342         \global\let\lst@WFifopen\iftrue
343         \@gobbletwo\fi\fi
344     \fi}
345 \endgroup
346
347
348 %    \begin{修正事項}{1.3} from jlisting.sty
349 % ちょっとした修正
350 \gdef\lst@breakProcessOther#1{\lst@ProcessOther#1}
351 % ソースコード目次における文字と番号の空き
352 \let \l@lstlisting = \l@figure
353 % キャプションとソースコード目次に対する日本語対応
354 \def\lstlistingname{ソースコード}
355 \def\lstlistlistingname{ソースコード目次}
356 %    \end{修正事項}
357 \endinput