src/patches/lltjp-listings.sty

   1 %
   2 % lltjp-listings.sty 2020-03-23
   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{{\null#1\null}\lst@FillFixed@}
  30 \def\lst@FillFixed@#1{%
  31   \ifx\@empty#1\else\ltj@lst@hss{\null#1\null}\expandafter\lst@FillFixed@\fi}
  32 \let\lst@FillOutputBox\lst@FillFixed
  33
  34 \directlua{
  35   local cat_str = luatexbase.catcodetables['string']
  36   local cat_lp  = luatexbase.catcodetables['latex-package']
  37   local ubyte = unicode.utf8.byte
  38   local spccmd = string.char(0x5C) .. 'ltj@lst@hss@normal'
  39   luatexja.listings = {}
  40   function luatexja.listings.althss(t)
  41     t = ubyte(t)
  42     if not (t>=0xE0100 and t<0xE01F0) then
  43       tex.sprint(cat_lp, spccmd)
  44     end
  45   end
  46 }
  47 \def\ltj@lst@hss@ivs#1{%
  48   \directlua{luatexja.listings.althss('\luatexluaescapestring{#1}')}#1%
  49 }
  50 \def\ltj@lst@hss@double{\lst@hss\lst@hss}
  51
  52 % lowest level
  53 \newif\if@ltj@lst@kanji
  54 \lst@AddToHook{InitVars}{\@ltj@lst@kanjifalse}
  55
  56 \def\lst@AppendLetter{%
  57     \ltj@lst@setletterflag\lst@Append}
  58 \def\lst@AppendOther{%
  59     \lst@ifletter\lst@Output\lst@letterfalse\fi\@ltj@lst@kanjifalse
  60     \futurelet\lst@lastother\lst@Append}
  61
  62 \def\ltj@lst@setletterflag{%
  63   \lst@ifletter
  64     \if@ltj@lst@kanji\lst@Output\@ltj@lst@kanjifalse\fi
  65   \else
  66     \lst@lettertrue\if@ltj@lst@kanji\@ltj@lst@kanjifalse\else\lst@OutputOther\fi
  67   \fi}
  68
  69 \def\ltj@lst@setkanjiflag{%
  70   \lst@ifletter
  71     \lst@Output
  72   \else
  73     \if@ltj@lst@kanji\else\lst@OutputOther\fi\lst@lettertrue
  74   \fi\@ltj@lst@kanjitrue}
  75
  76 \def\ltj@lst@setopenflag{%
  77   \lst@ifletter
  78     \lst@letterfalse\lst@Output
  79   \else
  80     \if@ltj@lst@kanji\else\lst@OutputOther\fi
  81   \fi\@ltj@lst@kanjitrue}
  82
  83 \def\ltj@lst@setcloseflag{%
  84   \lst@ifletter\else\lst@lettertrue\fi\@ltj@lst@kanjitrue}
  85
  86 % Processing Japanese characters
  87 \def\ltj@lst@ProcessJALetter#1{%
  88   \lst@whitespacefalse
  89   \ifnum\ltjgetparameter{jacharrange}{\ltjgetparameter{chartorange}{`#1}}=0
  90     \ifnum\ltjgetparameter{postbreakpenalty}{`#1}>0
  91       \ltj@lst@setopenflag    % 開き括弧類
  92     \else
  93       \ifnum\ltjgetparameter{prebreakpenalty}{`#1}>0
  94         \ltj@lst@setcloseflag % 閉じ括弧類，句読点
  95       \else
  96         \ltj@lst@setkanjiflag % 通常の和文文字
  97     \fi\fi
  98     \advance\lst@length\@ne   % 和文文字は通常の2倍の幅
  99   \else
 100     \ltj@lst@setletterflag
 101   \fi
 102   \lst@Append#1%
 103 }
 104
 105 % 半角カナ処理命令
 106 \def\ltj@lst@ProcessJALetterHalf#1{%
 107   \lst@whitespacefalse
 108   \ifnum\ltjgetparameter{jacharrange}{\ltjgetparameter{chartorange}{`#1}}=0
 109     \ifnum\ltjgetparameter{postbreakpenalty}{`#1}>0
 110       \ltj@lst@setopenflag    % 開き括弧類
 111     \else
 112       \ifnum\ltjgetparameter{prebreakpenalty}{`#1}>0
 113         \ltj@lst@setcloseflag % 閉じ括弧類
 114       \else
 115         \ltj@lst@setkanjiflag % 通常の和文文字
 116     \fi\fi
 117     % 半角カナは欧文文字と同じ幅
 118   \else
 119     \ltj@lst@setletterflag
 120   \fi
 121   \lst@Append#1}
 122
 123 % 漢字用異体字セレクタ命令
 124 \def\ltj@lst@ProcessIVS#1{%
 125   \lst@whitespacefalse
 126   \if@ltj@lst@vsraw
 127     \lst@Append#1\advance\lst@length\m@ne
 128   \else
 129     \lst@TrackNewLines\lst@OutputLostSpace \lst@PrintToken
 130     \setbox\@tempboxa\hbox to 2\lst@width{\hss
 131        \expandafter\expandafter\expandafter\ltj@lst@vscmd
 132        \expandafter{\the\numexpr`#1-"E00EF\relax}%"
 133     \hss}%
 134     \lst@CalcLostSpaceAndOutput\lst@whitespacefalse
 135   \fi
 136 }
 137
 138 % Variation Selector
 139 \def\ltj@lst@ProcessVS#1{%
 140   \lst@whitespacefalse
 141   \if@ltj@lst@vsraw
 142     \lst@Append#1\advance\lst@length\m@ne
 143   \else
 144     \lst@TrackNewLines\lst@OutputLostSpace \lst@PrintToken
 145     \setbox\@tempboxa\hbox to 2\lst@width{\hss
 146        \expandafter\expandafter\expandafter\ltj@lst@vscmd
 147        \expandafter{\the\numexpr`#1-"FDFF\relax}%"
 148     \hss}%
 149     \lst@CalcLostSpaceAndOutput\lst@whitespacefalse
 150   \fi
 151 }
 152
 153
 154 % 半角カナ，異体字セレクタはアクティブ化
 155 \def\ltj@@listing@jpsetN#1#2#3{% for (not large) range
 156   \@tempcnta=\numexpr#1-1\relax\@tempcntb=\numexpr 1+#2\relax
 157   \loop \global\advance\@tempcnta\@ne\ifnum\@tempcnta<\@tempcntb\relax
 158     \ltj@@listing@jpsetN@{\@tempcnta}{#3}\repeat
 159 }
 160
 161 \def\ltj@@listing@jpsetN@#1#2{{%
 162     \@tempcnta=#1 \lccode`\~=\@tempcnta \lccode`\/=\@tempcnta
 163     \lowercase{\gdef\@temp{\gdef~{#2/}}}}%
 164   \@temptokena\expandafter\expandafter\expandafter\expandafter%
 165   \expandafter\expandafter\expandafter{\expandafter\expandafter%
 166   \expandafter\the\expandafter\@temptokena\@temp}%
 167 }
 168 \@temptokena{}
 169 \ltj@@listing@jpsetN{65377}{65439}{\ltj@lst@ProcessJALetterHalf}
 170 \ltj@@listing@jpsetN{65024}{65039}{\ltj@lst@ProcessVS}
 171 \ltj@@listing@jpsetN{917760}{917999}{\ltj@lst@ProcessIVS}
 172 \xdef\ltj@@listing@jpcmd{\the\@temptokena}\@temptokena{}
 173
 174 % catcode 対策
 175 \newluatexcatcodetable\CatcodeTableLTJlistings
 176 \setluatexcatcodetable\CatcodeTableLTJlistings{%
 177   \luatexcatcodetable\CatcodeTableLaTeXAtLetter
 178   \catcode\ltjlineendcomment=13%"
 179   \SetCatcodeRange{"FF61}{"FF9F}{13}%     半角カナ
 180   \SetCatcodeRange{"E0100}{"E01EF}{13}%   漢字用異体字セレクタ
 181   \SetCatcodeRange{"FE00}{"FE0F}{13}%     Variation Selector
 182 }
 183
 184 % redefine \lstinline and its inner commands to support Japanese characters
 185 \renewcommand\lstinline[1][]{%
 186     \leavevmode\bgroup % \hbox\bgroup --> \bgroup
 187       \def\lst@boxpos{b}%
 188       \lsthk@PreSet\lstset{flexiblecolumns,#1}%
 189       \lsthk@TextStyle
 190       \@ifnextchar\bgroup \ltj@lst@InlineG \ltj@lstinline@}
 191 \def\ltj@lstinline@#1{%
 192   \edef\ltj@lst@temp{\the\catcode`#1}\lst@Init\relax\catcode`#1\ltj@lst@temp
 193   \lst@InlineJ#1}
 194 \def\ltj@lst@InlineG{%
 195   \lst@Init\relax\edef\ltj@lst@temp{\the\catcode`\}}\catcode`\}=2 \catcode`\ =12\relax
 196   \let\lst@arg\@empty\afterassignment\ltj@lst@InlineG@@\@temptokena}
 197 \def\ltj@lst@InlineG@@{%
 198   \catcode`\}=\ltj@lst@temp%
 199   \expandafter\expandafter\expandafter\lst@InsideConvert%
 200   \expandafter{\the\@temptokena}\lst@arg\lst@DeInit\egroup}
 201
 202 %%%%%%%%%%%%%%%% \lstMakeShortInline
 203 \patchcmd\lstMakeShortInline@{\lst@shortinlinedef#1}{\lst@shortinlinedef~}{}{}
 204
 205 % We redefine \lst@BeginDropInput, since now we have
 206 % two additional `process macros'.
 207 \def\lst@BeginDropInput#1{%
 208     \lst@EnterMode{#1}%
 209     {\lst@modetrue
 210      \let\lst@OutputBox\@gobble
 211      \let\lst@ifdropinput\iftrue
 212      \let\lst@ProcessLetter\@gobble
 213      \let\lst@ProcessDigit\@gobble
 214      \let\lst@ProcessOther\@gobble
 215      \let\lst@ProcessSpace\@empty
 216      \let\lst@ProcessTabulator\@empty
 217      \let\lst@ProcessFormFeed\@empty
 218      \let\ltj@lst@ProcessJALetter\@gobble     % added
 219      \let\ltj@lst@ProcessJALetterHalf\@gobble % added
 220 }}
 221
 222 \directlua{
 223   local utfchar, getcount = unicode.utf8.char, tex.getcount
 224   luatexja.listings.insert_cb = function()
 225     if not luatexja.listings.patched then
 226       luatexja.listings.patched = 1
 227       luatexbase.add_to_callback('process_input_buffer',
 228          function(buf)
 229            local ret = ''
 230            for i = 1, utf.len(buf) do
 231               local c = utf.sub(buf, i, i)
 232               local cu = utf.byte(c)
 233               if cu >= 0x80 and tex.getcatcode(cu) \string~= 13 then
 234                 ret = ret .. utfchar(getcount('ltjlineendcomment'))
 235               end
 236               ret = ret .. c
 237             end
 238             return ret
 239           end, 'ltj.listings_unicode', 1)
 240     end
 241   end
 242   luatexja.listings.remove_cb = function()
 243     if luatexja.listings.patched then
 244       luatexja.listings.patched = nil
 245       luatexbase.remove_from_callback('process_input_buffer',
 246         'ltj.listings_unicode')%
 247     end
 248   end}
 249
 250 % hook!
 251 \lst@AddToHook{Init}{%
 252   \luatexcatcodetable\CatcodeTableLTJlistings\ltj@@listing@jpcmd
 253   \lccode`\~=\ltjlineendcomment\lowercase{\def~{\ltj@lst@ProcessJALetter}}%"
 254   \directlua{luatexja.listings.insert_cb()}%
 255   \if@ltj@lst@double
 256     \let\ltj@lst@hss@normal=\ltj@lst@hss@double
 257   \else
 258     \let\ltj@lst@hss@normal=\lst@hss
 259   \fi
 260   \if@ltj@lst@vsraw
 261     \let\ltj@lst@hss=\ltj@lst@hss@ivs
 262   \else
 263     \let\ltj@lst@hss=\ltj@lst@hss@normal
 264   \fi
 265 }
 266
 267 \def\ltj@lst@MakeActive#1{%
 268     \let\lst@temp\@empty \ltj@lst@MakeActive@#1\relax}
 269 \begingroup
 270 \catcode`\^^A=12
 271 \catcode`\^^@=\active
 272 \lccode`\$=\ltjlineendcomment \catcode`\$=13 %"
 273 \lowercase{%
 274 \gdef\ltj@lst@MakeActive@#1{\let\lst@next\relax%
 275     \ifx#1\relax
 276     \else\let\lst@next\ltj@lst@MakeActive@
 277     \ifnum`#1>127
 278       \lccode`\^^A=`#1
 279       \lowercase{\lst@lAddTo\lst@temp{$^^A}}%$
 280     \else
 281       \lccode`\^^@=`#1
 282       \lowercase{\lst@lAddTo\lst@temp{^^@}}%
 283     \fi\fi\lst@next}}
 284 \endgroup
 285
 286
 287 \begingroup \lccode`\~=`\ \relax \lowercase{%
 288 \gdef\lst@InsideConvert@#1 #2{%
 289     \ltj@lst@MakeActive{#1}%
 290     \ifx\@empty#2%
 291         \lst@lExtend\lst@arg{\lst@temp}%
 292     \else
 293         \lst@lExtend\lst@arg{\lst@temp~}%
 294         \expandafter\lst@InsideConvert@
 295     \fi#2}
 296 }\endgroup
 297
 298 \lst@AddToHook{ExitVars}{%
 299   \directlua{luatexja.listings.remove_cb()}%
 300 }
 301
 302 % 白線対策
 303 \newif\ifltj@lst@frame@top
 304 \newdimen\ltj@lst@frame@lslimit
 305 \gdef\lst@frameInit{%
 306     \ltj@lst@frame@toptrue
 307     \ifx\lst@framelshape\@empty \let\lst@frameL\@empty \fi
 308     \ifx\lst@framershape\@empty \let\lst@frameR\@empty \fi
 309     \def\lst@framevrule{\vrule\@width\lst@framerulewidth\relax}%
 310     \lst@ifframeround
 311         \lst@frameCalcDimA\z@ \@getcirc\@tempdima
 312         \@tempdimb\@tempdima \divide\@tempdimb\tw@
 313         \advance\@tempdimb -\@wholewidth
 314         \edef\lst@frametextsep{\the\@tempdimb}%
 315         \edef\lst@framerulewidth{\the\@wholewidth}%
 316         \lst@frameCalcDimA\@ne \@getcirc\@tempdima
 317         \@tempdimb\@tempdima \divide\@tempdimb\tw@
 318         \advance\@tempdimb -\tw@\@wholewidth
 319         \advance\@tempdimb -\lst@frametextsep
 320         \edef\lst@rulesep{\the\@tempdimb}%
 321     \fi
 322     \lst@frameMakeBoxV\lst@framebox{\ht\strutbox}{\dp\strutbox}%
 323     %%%%  ここから
 324     \@tempdima\z@
 325     \ifdim\ht\strutbox<\cht\@tempdima=\dimexpr\cht-\ht\strutbox\relax\fi
 326     \ifdim\dp\strutbox<\cdp\@tempdima=\dimexpr\cdp-\dp\strutbox\relax\fi
 327     \ltj@lst@frame@lslimit=-\@tempdima
 328     \def\lst@framelr{%
 329       \ifltj@lst@frame@top\ltj@lst@frame@topfalse\else\lineskiplimit\ltj@lst@frame@lslimit\fi
 330       \copy\lst@framebox}%
 331     %%%% ここまで
 332     \ifx\lst@frametshape\@empty\else
 333         \lst@frameH T\lst@frametshape
 334         \ifvoid\z@\else
 335             \par\lst@parshape
 336             \@tempdima-\baselineskip \advance\@tempdima\ht\z@
 337             \ifdim\prevdepth<\@cclvi\p@\else
 338                 \advance\@tempdima\prevdepth
 339             \fi
 340             \ifdim\@tempdima<\z@
 341                 \vskip\@tempdima\vskip\lineskip
 342             \fi
 343             \noindent\box\z@\par
 344             \lineskiplimit\maxdimen \lineskip\z@
 345         \fi
 346         \lst@frameSpreadV\lst@framextopmargin
 347     \fi}
 348
 349
 350
 351 %%%%%%%%%%%%%%%% escape to \LaTeX
 352 \lstloadaspects{escape}
 353 \gdef\lst@Escape#1#2#3#4{%
 354     \lst@CArgX #1\relax\lst@CDefX
 355         {}%
 356         {\lst@ifdropinput\else
 357          \lst@TrackNewLines\lst@OutputLostSpace \lst@XPrintToken
 358          \lst@InterruptModes
 359          \lst@EnterMode{\lst@TeXmode}{\lst@modetrue}%
 360          \ifx\^^M#2%
 361              \lst@CArg #2\relax\lst@ActiveCDefX
 362                  {}%
 363                  {\lst@escapeend #4\lst@LeaveAllModes\lst@ReenterModes}%
 364                  {\lst@MProcessListing}%
 365          \else
 366              \lst@CArg #2\relax\lst@ActiveCDefX
 367                  {}%
 368                  {\lst@escapeend #4\lst@LeaveAllModes\lst@ReenterModes
 369                   \lst@newlines\z@ \lst@whitespacefalse}%
 370                  {}%
 371          \fi%
 372          \ltj@lst@escape@setup#2%
 373          #3\catcode\ltjlineendcomment=9\lst@escapebegin\expandafter\lst@next%"
 374          \fi}%
 375         {}}
 376 \def\ltj@lst@emptygrp{{}}
 377 \def\ltj@lst@escape@setup#1{%
 378   \begingroup\lccode`\~=`#1\lowercase{%
 379   \gdef\lst@next##1~{%
 380      \let\lst@arg\@empty\ltj@lst@remove@jacmd{##1}%
 381      \expandafter\expandafter\expandafter\expandafter\expandafter\expandafter\expandafter
 382            \scantokens\expandafter\expandafter\expandafter{\expandafter\ltj@lst@emptygrp\lst@arg\empty}%
 383      ~}%
 384   }\endgroup
 385 }
 386 \begingroup
 387   \lccode`\|=\ltjlineendcomment \lowercase{%"
 388   \gdef\ltj@lst@remove@jacmd#1{%
 389     \expandafter\ltj@lst@remove@jacmd@\detokenize{#1}|\@nil|}
 390   \gdef\ltj@lst@remove@jacmd@#1|{%
 391     \ifx#1\@nil\else
 392        \lst@lAddTo\lst@arg{#1}%
 393        \expandafter\ltj@lst@remove@jacmd@
 394     \fi}}
 395 \endgroup
 396
 397 %%%%%%%%%%%%%%%% texcl
 398 \lst@AddToHook{AfterBeginComment}
 399    {\ifnum\lst@mode=\lst@TeXLmode
 400       \catcode`\^^M=13\relax
 401       \catcode\ltjlineendcomment=9\relax
 402     \fi}
 403
 404 %%%%%%%%%%%%%%%%
 405 \lstloadaspects{writefile}
 406 \begingroup \catcode`\^^I=11
 407 \gdef\lst@WFBegin#1#2{%
 408     \begingroup
 409     \let\lst@OutputBox#1%
 410     \def\lst@Append##1{%
 411         \advance\lst@length\@ne
 412         \expandafter\lst@token\expandafter{\the\lst@token##1}%
 413         \ifx ##1\lst@outputspace \else
 414             \lst@WFAppend##1%
 415         \fi}%
 416     \lst@lAddTo\lst@PreGotoTabStop{\lst@WFAppend{^^I}}%
 417     \lst@lAddTo\lst@ProcessSpace{\lst@WFAppend{ }}%
 418     \def\ltj@lst@ProcessIVS##1{\lst@whitespacefalse\lst@Append##1}%
 419     \def\ltj@lst@ProcessVS##1{\lst@whitespacefalse\lst@Append##1}%
 420     \let\lst@DeInit\lst@WFDeInit
 421     \let\lst@MProcessListing\lst@WFMProcessListing
 422     \lst@WFifopen\else
 423         \immediate\openout\lst@WF=#2\relax
 424         \global\let\lst@WFifopen\iftrue
 425         \@gobbletwo\fi\fi
 426     \fi}
 427 \endgroup
 428
 429 %    \begin{修正事項}{1.3} from jlisting.sty
 430 % ちょっとした修正
 431 \gdef\lst@breakProcessOther#1{\lst@ProcessOther#1}
 432 % ソースコード目次における文字と番号の空き
 433 \let \l@lstlisting = \l@figure
 434
 435 %%%%
 436 % キャプションとソースコード目次に対する日本語対応
 437 %\def\lstlistingname{ソースコード}
 438 %\def\lstlistlistingname{ソースコード目次}
 439 %    \end{修正事項}
 440 %%%%
 441
 442 \endinput