src/patches/lltjp-listings.sty

   1 %
   2 % lltjp-listings.sty 2018-09-17
   3 %
   4
   5 \NeedsTeXFormat{LaTeX2e}
   6 \RequirePackage{listings,luatexbase-cctb}
   7
   8 %%%%%%%%%%%%%%%% Japanese support
   9 %% whether letter-space in a fixed mode box is doubled or not
  10 \newif\if@ltj@lst@double
  11 \lst@Key{doubleletterspace}f[t]{\lstKV@SetIf{#1}\if@ltj@lst@double}
  12
  13 %% IVS support
  14 \newif\if@ltj@lst@vsraw
  15 \def\ltj@lst@vscmd{}
  16 \lst@Key{vsraw}f[t]{\lstKV@SetIf{#1}\if@ltj@lst@vsraw}
  17 \lst@Key{vscmd}\relax{\def\ltj@lst@vscmd{#1}}
  18
  19 % 既定の IVS 出力コマンド
  20 \def\ltjlistingsvsstdcmd#1{\@tempdima=\f@size pt%
  21   \smash{\raisebox{.35\@tempdima}{\tt%
  22     \fboxsep=.1\@tempdima\fbox{\fontsize{.5\@tempdima}{\z@}\selectfont
  23       \oalign{\hss VS\hss\crcr\hss#1\hss\crcr}}}}}
  24 \def\ltj@lst@vscmd{\ltjlistingsvsstdcmd}
  25
  26 % override \lst@FillFixed@
  27 % \ltj@hst@hss is \ltj@lst@hss@ivs or \ltj@lst@hss@normal,
  28 % according to vsraw = true or not.
  29 \def\lst@FillFixed@#1{%
  30   \ifx\@empty#1\else\ltj@lst@hss#1\expandafter\lst@FillFixed@\fi}
  31
  32 \directlua{
  33   local cat_str = luatexbase.catcodetables['string']
  34   local cat_lp  = luatexbase.catcodetables['latex-package']
  35   local ubyte = unicode.utf8.byte
  36   local spccmd = string.char(0x5C) .. 'ltj@lst@hss@normal'
  37   luatexja.listings = {}
  38   function luatexja.listings.althss(t)
  39     t = ubyte(t)
  40     if not (t>=0xE0100 and t<0xE01F0) then
  41       tex.sprint(cat_lp, spccmd)
  42     end
  43   end
  44 }
  45 \def\ltj@lst@hss@ivs#1{%
  46   \directlua{luatexja.listings.althss('\luatexluaescapestring{#1}')}#1%
  47 }
  48 \def\ltj@lst@hss@double{\lst@hss\lst@hss}
  49
  50 % lowest level
  51 \newif\if@ltj@lst@kanji
  52 \lst@AddToHook{InitVars}{\@ltj@lst@kanjifalse}
  53
  54 \def\lst@AppendLetter{%
  55     \ltj@lst@setletterflag\lst@Append}
  56 \def\lst@AppendOther{%
  57     \lst@ifletter\lst@Output\lst@letterfalse\fi\@ltj@lst@kanjifalse
  58     \futurelet\lst@lastother\lst@Append}
  59
  60 \def\ltj@lst@setletterflag{%
  61   \lst@ifletter
  62     \if@ltj@lst@kanji\lst@Output\@ltj@lst@kanjifalse\fi
  63   \else
  64     \lst@lettertrue\if@ltj@lst@kanji\@ltj@lst@kanjifalse\else\lst@OutputOther\fi
  65   \fi}
  66
  67 \def\ltj@lst@setkanjiflag{%
  68   \lst@ifletter
  69     \lst@Output
  70   \else
  71     \if@ltj@lst@kanji\else\lst@OutputOther\fi\lst@lettertrue
  72   \fi\@ltj@lst@kanjitrue}
  73
  74 \def\ltj@lst@setopenflag{%
  75   \lst@ifletter
  76     \lst@letterfalse\lst@Output
  77   \else
  78     \if@ltj@lst@kanji\else\lst@OutputOther\fi
  79   \fi\@ltj@lst@kanjitrue}
  80
  81 \def\ltj@lst@setcloseflag{%
  82   \lst@ifletter\else\lst@lettertrue\fi\@ltj@lst@kanjitrue}
  83
  84 % Processing Japanese characters
  85 \def\ltj@lst@ProcessJALetter#1{%
  86   \lst@whitespacefalse
  87   \ifnum\ltjgetparameter{jacharrange}{\ltjgetparameter{chartorange}{`#1}}=0
  88     \ifnum\ltjgetparameter{postbreakpenalty}{`#1}>0
  89       \ltj@lst@setopenflag    % 開き括弧類
  90     \else
  91       \ifnum\ltjgetparameter{prebreakpenalty}{`#1}>0
  92         \ltj@lst@setcloseflag % 閉じ括弧類，句読点
  93       \else
  94         \ltj@lst@setkanjiflag % 通常の和文文字
  95     \fi\fi
  96     \advance\lst@length\@ne   % 和文文字は通常の2倍の幅
  97   \else
  98     \ltj@lst@setletterflag
  99   \fi
 100   \lst@Append#1}
 101
 102 % 半角カナ処理命令
 103 \def\ltj@lst@ProcessJALetterHalf#1{%
 104   \lst@whitespacefalse
 105   \ifnum\ltjgetparameter{jacharrange}{\ltjgetparameter{chartorange}{`#1}}=0
 106     \ifnum\ltjgetparameter{postbreakpenalty}{`#1}>0
 107       \ltj@lst@setopenflag    % 開き括弧類
 108     \else
 109       \ifnum\ltjgetparameter{prebreakpenalty}{`#1}>0
 110         \ltj@lst@setcloseflag % 閉じ括弧類
 111       \else
 112         \ltj@lst@setkanjiflag % 通常の和文文字
 113     \fi\fi
 114     % 半角カナは欧文文字と同じ幅
 115   \else
 116     \ltj@lst@setletterflag
 117   \fi
 118   \lst@Append#1}
 119
 120 % 漢字用異体字セレクタ命令
 121 \def\ltj@lst@ProcessIVS#1{%
 122   \lst@whitespacefalse
 123   \if@ltj@lst@vsraw
 124     \lst@Append#1\advance\lst@length\m@ne
 125   \else
 126     \lst@TrackNewLines\lst@OutputLostSpace \lst@PrintToken
 127     \setbox\@tempboxa\hbox to 2\lst@width{\hss
 128        \expandafter\expandafter\expandafter\ltj@lst@vscmd
 129        \expandafter{\the\numexpr`#1-"E00EF\relax}%"
 130     \hss}%
 131     \lst@CalcLostSpaceAndOutput\lst@whitespacefalse
 132   \fi
 133 }
 134
 135 % Variation Selector
 136 \def\ltj@lst@ProcessVS#1{%
 137   \lst@whitespacefalse
 138   \if@ltj@lst@vsraw
 139     \lst@Append#1\advance\lst@length\m@ne
 140   \else
 141     \lst@TrackNewLines\lst@OutputLostSpace \lst@PrintToken
 142     \setbox\@tempboxa\hbox to 2\lst@width{\hss
 143        \expandafter\expandafter\expandafter\ltj@lst@vscmd
 144        \expandafter{\the\numexpr`#1-"FDFF\relax}%"
 145     \hss}%
 146     \lst@CalcLostSpaceAndOutput\lst@whitespacefalse
 147   \fi
 148 }
 149
 150
 151 % 半角カナ，異体字セレクタはアクティブ化
 152 \def\ltj@@listing@jpsetN#1#2#3{% for (not large) range
 153   \@tempcnta=\numexpr#1-1\relax\@tempcntb=\numexpr 1+#2\relax
 154   \loop \global\advance\@tempcnta\@ne\ifnum\@tempcnta<\@tempcntb\relax
 155     \ltj@@listing@jpsetN@{\@tempcnta}{#3}\repeat
 156 }
 157
 158 \def\ltj@@listing@jpsetN@#1#2{{%
 159     \@tempcnta=#1 \lccode`\~=\@tempcnta \lccode`\/=\@tempcnta
 160     \lowercase{\gdef\@temp{\gdef~{#2/}}}}%
 161   \@temptokena\expandafter\expandafter\expandafter\expandafter%
 162   \expandafter\expandafter\expandafter{\expandafter\expandafter%
 163   \expandafter\the\expandafter\@temptokena\@temp}%
 164 }
 165 \@temptokena{}
 166 \ltj@@listing@jpsetN{65377}{65439}{\ltj@lst@ProcessJALetterHalf}
 167 \ltj@@listing@jpsetN{65024}{65039}{\ltj@lst@ProcessVS}
 168 \ltj@@listing@jpsetN{917760}{917999}{\ltj@lst@ProcessIVS}
 169 \xdef\ltj@@listing@jpcmd{\the\@temptokena}\@temptokena{}
 170
 171 % catcode 対策
 172 \newluatexcatcodetable\CatcodeTableLTJlistings
 173 \setluatexcatcodetable\CatcodeTableLTJlistings{%
 174   \luatexcatcodetable\CatcodeTableLaTeXAtLetter
 175   \catcode\ltjlineendcomment=13%"
 176   \SetCatcodeRange{"FF61}{"FF9F}{13}%     半角カナ
 177   \SetCatcodeRange{"E0100}{"E01EF}{13}%   漢字用異体字セレクタ
 178   \SetCatcodeRange{"FE00}{"FE0F}{13}%     Variation Selector
 179 }
 180
 181 % redefine \lstinline and its inner commands to support Japanese characters
 182 \renewcommand\lstinline[1][]{%
 183     \leavevmode\bgroup % \hbox\bgroup --> \bgroup
 184       \def\lst@boxpos{b}%
 185       \lsthk@PreSet\lstset{flexiblecolumns,#1}%
 186       \lsthk@TextStyle
 187       \@ifnextchar\bgroup \ltj@lst@InlineG \ltj@lstinline@}
 188 \def\ltj@lstinline@#1{%
 189   \edef\ltj@lst@temp{\the\catcode`#1}\lst@Init\relax\catcode`#1\ltj@lst@temp
 190   \lst@InlineJ#1}
 191 \def\ltj@lst@InlineG{%
 192   \lst@Init\relax\edef\ltj@lst@temp{\the\catcode`\}}\catcode`\}=2 \catcode`\ =12\relax
 193   \let\lst@arg\@empty\afterassignment\ltj@lst@InlineG@@\@temptokena}
 194 \def\ltj@lst@InlineG@@{%
 195   \catcode`\}=\ltj@lst@temp%
 196   \expandafter\expandafter\expandafter\lst@InsideConvert%
 197   \expandafter{\the\@temptokena}\lst@arg\lst@DeInit\egroup}
 198
 199 %%%%%%%%%%%%%%%% \lstMakeShortInline
 200 \patchcmd\lstMakeShortInline@{\lst@shortinlinedef#1}{\lst@shortinlinedef~}{}{}
 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 \directlua{
 220   local utfchar, getcount = unicode.utf8.char, tex.getcount
 221   luatexja.listings.insert_cb = function()
 222     if not luatexja.listings.patched then
 223       luatexja.listings.patched = 1
 224       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 .. utfchar(getcount('ltjlineendcomment'))
 232               end
 233               ret = ret .. c
 234             end
 235             return ret
 236           end, 'ltj.listings_unicode', 1)
 237     end
 238   end
 239   luatexja.listings.remove_cb = function()
 240     if luatexja.listings.patched then
 241       luatexja.listings.patched = nil
 242       luatexbase.remove_from_callback('process_input_buffer',
 243         'ltj.listings_unicode')%
 244     end
 245   end}
 246
 247 % hook!
 248 \lst@AddToHook{Init}{%
 249   \luatexcatcodetable\CatcodeTableLTJlistings\ltj@@listing@jpcmd
 250   \lccode`\~=\ltjlineendcomment\lowercase{\def~{\ltj@lst@ProcessJALetter}}%"
 251   \directlua{luatexja.listings.insert_cb()}%
 252   \if@ltj@lst@double
 253     \let\ltj@lst@hss@normal=\ltj@lst@hss@double
 254   \else
 255     \let\ltj@lst@hss@normal=\lst@hss
 256   \fi
 257   \if@ltj@lst@vsraw
 258     \let\ltj@lst@hss=\ltj@lst@hss@ivs
 259   \else
 260     \let\ltj@lst@hss=\ltj@lst@hss@normal
 261   \fi
 262 }
 263
 264 \def\ltj@lst@MakeActive#1{%
 265     \let\lst@temp\@empty \ltj@lst@MakeActive@#1\relax}
 266 \begingroup
 267 \catcode`\^^A=12
 268 \catcode`\^^@=\active
 269 \lccode`\$=\ltjlineendcomment \catcode`\$=13 %"
 270 \lowercase{%
 271 \gdef\ltj@lst@MakeActive@#1{\let\lst@next\relax%
 272     \ifx#1\relax
 273     \else\let\lst@next\ltj@lst@MakeActive@
 274     \ifnum`#1>127
 275       \lccode`\^^A=`#1
 276       \lowercase{\lst@lAddTo\lst@temp{$^^A}}%$
 277     \else
 278       \lccode`\^^@=`#1
 279       \lowercase{\lst@lAddTo\lst@temp{^^@}}%
 280     \fi\fi\lst@next}}
 281 \endgroup
 282
 283
 284 \begingroup \lccode`\~=`\ \relax \lowercase{%
 285 \gdef\lst@InsideConvert@#1 #2{%
 286     \ltj@lst@MakeActive{#1}%
 287     \ifx\@empty#2%
 288         \lst@lExtend\lst@arg{\lst@temp}%
 289     \else
 290         \lst@lExtend\lst@arg{\lst@temp~}%
 291         \expandafter\lst@InsideConvert@
 292     \fi#2}
 293 }\endgroup
 294
 295 \lst@AddToHook{ExitVars}{%
 296   \directlua{luatexja.listings.remove_cb()}%
 297 }
 298
 299 % 白線対策
 300 \newif\ifltj@lst@frame@top
 301 \newdimen\ltj@lst@frame@lslimit
 302 \gdef\lst@frameInit{%
 303     \ltj@lst@frame@toptrue
 304     \ifx\lst@framelshape\@empty \let\lst@frameL\@empty \fi
 305     \ifx\lst@framershape\@empty \let\lst@frameR\@empty \fi
 306     \def\lst@framevrule{\vrule\@width\lst@framerulewidth\relax}%
 307     \lst@ifframeround
 308         \lst@frameCalcDimA\z@ \@getcirc\@tempdima
 309         \@tempdimb\@tempdima \divide\@tempdimb\tw@
 310         \advance\@tempdimb -\@wholewidth
 311         \edef\lst@frametextsep{\the\@tempdimb}%
 312         \edef\lst@framerulewidth{\the\@wholewidth}%
 313         \lst@frameCalcDimA\@ne \@getcirc\@tempdima
 314         \@tempdimb\@tempdima \divide\@tempdimb\tw@
 315         \advance\@tempdimb -\tw@\@wholewidth
 316         \advance\@tempdimb -\lst@frametextsep
 317         \edef\lst@rulesep{\the\@tempdimb}%
 318     \fi
 319     \lst@frameMakeBoxV\lst@framebox{\ht\strutbox}{\dp\strutbox}%
 320     %%%%  ここから
 321     \@tempdima\z@
 322     \ifdim\ht\strutbox<\cht\@tempdima=\dimexpr\cht-\ht\strutbox\relax\fi
 323     \ifdim\dp\strutbox<\cdp\@tempdima=\dimexpr\cdp-\dp\strutbox\relax\fi
 324     \ltj@lst@frame@lslimit=-\@tempdima
 325     \def\lst@framelr{%
 326       \ifltj@lst@frame@top\ltj@lst@frame@topfalse\else\lineskiplimit\ltj@lst@frame@lslimit\fi
 327       \copy\lst@framebox}%
 328     %%%% ここまで
 329     \ifx\lst@frametshape\@empty\else
 330         \lst@frameH T\lst@frametshape
 331         \ifvoid\z@\else
 332             \par\lst@parshape
 333             \@tempdima-\baselineskip \advance\@tempdima\ht\z@
 334             \ifdim\prevdepth<\@cclvi\p@\else
 335                 \advance\@tempdima\prevdepth
 336             \fi
 337             \ifdim\@tempdima<\z@
 338                 \vskip\@tempdima\vskip\lineskip
 339             \fi
 340             \noindent\box\z@\par
 341             \lineskiplimit\maxdimen \lineskip\z@
 342         \fi
 343         \lst@frameSpreadV\lst@framextopmargin
 344     \fi}
 345
 346
 347
 348 %%%%%%%%%%%%%%%% escape to \LaTeX
 349 \lstloadaspects{escape}
 350 \gdef\lst@Escape#1#2#3#4{%
 351     \lst@CArgX #1\relax\lst@CDefX
 352         {}%
 353         {\lst@ifdropinput\else
 354          \lst@TrackNewLines\lst@OutputLostSpace \lst@XPrintToken
 355          \lst@InterruptModes
 356          \lst@EnterMode{\lst@TeXmode}{\lst@modetrue}%
 357          \ifx\^^M#2%
 358              \lst@CArg #2\relax\lst@ActiveCDefX
 359                  {}%
 360                  {\lst@escapeend #4\lst@LeaveAllModes\lst@ReenterModes}%
 361                  {\lst@MProcessListing}%
 362          \else
 363              \lst@CArg #2\relax\lst@ActiveCDefX
 364                  {}%
 365                  {\lst@escapeend #4\lst@LeaveAllModes\lst@ReenterModes
 366                   \lst@newlines\z@ \lst@whitespacefalse}%
 367                  {}%
 368          \fi%
 369          \ltj@lst@escape@setup#2%
 370          #3\catcode\ltjlineendcomment=9\lst@escapebegin\expandafter\lst@next%"
 371          \fi}%
 372         {}}
 373 \def\ltj@lst@emptygrp{{}}
 374 \def\ltj@lst@escape@setup#1{%
 375   \begingroup\lccode`\~=`#1\lowercase{%
 376   \gdef\lst@next##1~{%
 377      \let\lst@arg\@empty\ltj@lst@remove@jacmd{##1}%
 378      \expandafter\expandafter\expandafter\expandafter\expandafter\expandafter\expandafter
 379            \scantokens\expandafter\expandafter\expandafter{\expandafter\ltj@lst@emptygrp\lst@arg\empty}%
 380      ~}%
 381   }\endgroup
 382 }
 383 \begingroup
 384   \lccode`\|=\ltjlineendcomment \lowercase{%"
 385   \gdef\ltj@lst@remove@jacmd#1{%
 386     \expandafter\ltj@lst@remove@jacmd@\detokenize{#1}|\@nil|}
 387   \gdef\ltj@lst@remove@jacmd@#1|{%
 388     \ifx#1\@nil\else
 389        \lst@lAddTo\lst@arg{#1}%
 390        \expandafter\ltj@lst@remove@jacmd@
 391     \fi}}
 392 \endgroup
 393
 394 %%%%%%%%%%%%%%%% texcl
 395 \lst@AddToHook{AfterBeginComment}
 396    {\ifnum\lst@mode=\lst@TeXLmode
 397       \catcode`\^^M=13\relax
 398       \catcode\ltjlineendcomment=9\relax
 399     \fi}
 400
 401 %%%%%%%%%%%%%%%%
 402 \lstloadaspects{writefile}
 403 \begingroup \catcode`\^^I=11
 404 \gdef\lst@WFBegin#1#2{%
 405     \begingroup
 406     \let\lst@OutputBox#1%
 407     \def\lst@Append##1{%
 408         \advance\lst@length\@ne
 409         \expandafter\lst@token\expandafter{\the\lst@token##1}%
 410         \ifx ##1\lst@outputspace \else
 411             \lst@WFAppend##1%
 412         \fi}%
 413     \lst@lAddTo\lst@PreGotoTabStop{\lst@WFAppend{^^I}}%
 414     \lst@lAddTo\lst@ProcessSpace{\lst@WFAppend{ }}%
 415     \def\ltj@lst@ProcessIVS##1{\lst@whitespacefalse\lst@Append##1}%
 416     \def\ltj@lst@ProcessVS##1{\lst@whitespacefalse\lst@Append##1}%
 417     \let\lst@DeInit\lst@WFDeInit
 418     \let\lst@MProcessListing\lst@WFMProcessListing
 419     \lst@WFifopen\else
 420         \immediate\openout\lst@WF=#2\relax
 421         \global\let\lst@WFifopen\iftrue
 422         \@gobbletwo\fi\fi
 423     \fi}
 424 \endgroup
 425
 426
 427 %    \begin{修正事項}{1.3} from jlisting.sty
 428 % ちょっとした修正
 429 \gdef\lst@breakProcessOther#1{\lst@ProcessOther#1}
 430 % ソースコード目次における文字と番号の空き
 431 \let \l@lstlisting = \l@figure
 432
 433 %%%%
 434 % キャプションとソースコード目次に対する日本語対応
 435 %\def\lstlistingname{ソースコード}
 436 %\def\lstlistlistingname{ソースコード目次}
 437 %    \end{修正事項}
 438 %%%%
 439
 440 \endinput