src/patches/lltjp-listings.sty

   1 %
   2 % lltjp-listings.sty 2022-05-22
   3 %
   4
   5 \NeedsTeXFormat{LaTeX2e}
   6 \RequirePackage{etoolbox,listings,luatexbase-cctb}
   7
   8 \newcount\ltj@lst@japanese@min \ltj@lst@japanese@min=128
   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{{\null#1\null}\lst@FillFixed@}
  31 \def\lst@FillFixed@#1{%
  32   \ifx\@empty#1\else\ltj@lst@hss{\null#1\null}\expandafter\lst@FillFixed@\fi}
  33 \let\lst@FillOutputBox\lst@FillFixed
  34 % [space/full]flexiblemode (not much useful...)
  35 \def\ltj@lst@FillFlex#1\@empty{\null#1\null}
  36 \patchcmd\lst@column@flexible
  37   {\let\lst@FillOutputBox\@empty}{\let\lst@FillOutputBox\ltj@lst@FillFlex}{}{}
  38 \patchcmd\lst@column@fullflexible
  39   {\let\lst@FillOutputBox\@empty}{\let\lst@FillOutputBox\ltj@lst@FillFlex}{}{}
  40 \patchcmd\lst@column@spaceflexible
  41   {\let\lst@FillOutputBox\@empty}{\let\lst@FillOutputBox\ltj@lst@FillFlex}{}{}
  42
  43
  44 \directlua{
  45   local cat_str = luatexbase.catcodetables['string']
  46   local cat_lp  = luatexbase.catcodetables['latex-package']
  47   local ubyte = utf.byte
  48   local spccmd = string.char(0x5C) .. 'ltj@lst@hss@normal'
  49   luatexja.listings = {}
  50   function luatexja.listings.althss(t)
  51     t = ubyte(t)
  52     if not (t>=0xE0100 and t<0xE01F0) then
  53       tex.sprint(cat_lp, spccmd)
  54     end
  55   end
  56 }
  57 \def\ltj@lst@hss@ivs#1{%
  58   \directlua{luatexja.listings.althss('\luatexluaescapestring{#1}')}#1%
  59 }
  60 \def\ltj@lst@hss@double{\lst@hss\lst@hss}
  61
  62 % lowest level
  63 \newif\if@ltj@lst@kanji
  64 \lst@AddToHook{InitVars}{\@ltj@lst@kanjifalse}
  65
  66 \def\lst@AppendLetter{%
  67     \ltj@lst@setletterflag\lst@Append}
  68 \def\lst@AppendOther{%
  69     \lst@ifletter\lst@Output\lst@letterfalse\fi\@ltj@lst@kanjifalse
  70     \futurelet\lst@lastother\lst@Append}
  71
  72 \def\ltj@lst@setletterflag{%
  73   \lst@ifletter
  74     \if@ltj@lst@kanji\lst@Output\@ltj@lst@kanjifalse\fi
  75   \else
  76     \lst@lettertrue\if@ltj@lst@kanji\@ltj@lst@kanjifalse\else\lst@OutputOther\fi
  77   \fi}
  78
  79 \def\ltj@lst@setkanjiflag{%
  80   \lst@ifletter
  81     \lst@Output
  82   \else
  83     \if@ltj@lst@kanji\else\lst@OutputOther\fi\lst@lettertrue
  84   \fi\@ltj@lst@kanjitrue}
  85
  86 \def\ltj@lst@setopenflag{%
  87   \lst@ifletter
  88     \lst@letterfalse\lst@Output
  89   \else
  90     \if@ltj@lst@kanji\else\lst@OutputOther\fi
  91   \fi\@ltj@lst@kanjitrue}
  92
  93 \def\ltj@lst@setcloseflag{%
  94   \lst@ifletter\else\lst@lettertrue\fi\@ltj@lst@kanjitrue}
  95
  96 % Processing Japanese characters
  97 \def\ltj@lst@ProcessJALetter#1{%
  98   \lst@whitespacefalse
  99   \ifnum\ltjgetparameter{jacharrange}{\ltjgetparameter{chartorange}{`#1}}=0
 100     \ifnum\ltjgetparameter{postbreakpenalty}{`#1}>0
 101       \ltj@lst@setopenflag    % 開き括弧類
 102     \else
 103       \ifnum\ltjgetparameter{prebreakpenalty}{`#1}>0
 104         \ltj@lst@setcloseflag % 閉じ括弧類，句読点
 105       \else
 106         \ltj@lst@setkanjiflag % 通常の和文文字
 107     \fi\fi
 108     \advance\lst@length\@ne   % 和文文字は通常の2倍の幅
 109   \else
 110     \ltj@lst@setletterflag
 111   \fi
 112   \lst@Append#1%
 113 }
 114
 115 % 半角カナ処理命令
 116 \def\ltj@lst@ProcessJALetterHalf#1{%
 117   \lst@whitespacefalse
 118   \ifnum\ltjgetparameter{jacharrange}{\ltjgetparameter{chartorange}{`#1}}=0
 119     \ifnum\ltjgetparameter{postbreakpenalty}{`#1}>0
 120       \ltj@lst@setopenflag    % 開き括弧類
 121     \else
 122       \ifnum\ltjgetparameter{prebreakpenalty}{`#1}>0
 123         \ltj@lst@setcloseflag % 閉じ括弧類
 124       \else
 125         \ltj@lst@setkanjiflag % 通常の和文文字
 126     \fi\fi
 127     % 半角カナは欧文文字と同じ幅
 128   \else
 129     \ltj@lst@setletterflag
 130   \fi
 131   \lst@Append#1}
 132
 133 % 漢字用異体字セレクタ命令
 134 \def\ltj@lst@ProcessIVS#1{%
 135   \lst@whitespacefalse
 136   \if@ltj@lst@vsraw
 137     \lst@Append#1\advance\lst@length\m@ne
 138   \else
 139     \lst@TrackNewLines\lst@OutputLostSpace \lst@PrintToken
 140     \setbox\@tempboxa\hbox to 2\lst@width{\hss
 141        \expandafter\expandafter\expandafter\ltj@lst@vscmd
 142        \expandafter{\the\numexpr`#1-"E00EF\relax}%"
 143     \hss}%
 144     \lst@CalcLostSpaceAndOutput\lst@whitespacefalse
 145   \fi
 146 }
 147
 148 % Variation Selector
 149 \def\ltj@lst@ProcessVS#1{%
 150   \lst@whitespacefalse
 151   \if@ltj@lst@vsraw
 152     \lst@Append#1\advance\lst@length\m@ne
 153   \else
 154     \lst@TrackNewLines\lst@OutputLostSpace \lst@PrintToken
 155     \setbox\@tempboxa\hbox to 2\lst@width{\hss
 156        \expandafter\expandafter\expandafter\ltj@lst@vscmd
 157        \expandafter{\the\numexpr`#1-"FDFF\relax}%"
 158     \hss}%
 159     \lst@CalcLostSpaceAndOutput\lst@whitespacefalse
 160   \fi
 161 }
 162
 163
 164 % 半角カナ，異体字セレクタはアクティブ化
 165 \def\ltj@@listing@jpsetN#1#2#3{% for (not large) range
 166   \@tempcnta=\numexpr#1-1\relax\@tempcntb=\numexpr 1+#2\relax
 167   \loop \global\advance\@tempcnta\@ne\ifnum\@tempcnta<\@tempcntb\relax
 168     \ltj@@listing@jpsetN@{\@tempcnta}{#3}\repeat
 169 }
 170
 171 \def\ltj@@listing@jpsetN@#1#2{{%
 172     \@tempcnta=#1 \lccode`\~=\@tempcnta \lccode`\/=\@tempcnta
 173     \lowercase{\gdef\@temp{\gdef~{#2/}}}}%
 174   \@temptokena\expandafter\expandafter\expandafter\expandafter%
 175   \expandafter\expandafter\expandafter{\expandafter\expandafter%
 176   \expandafter\the\expandafter\@temptokena\@temp}%
 177 }
 178 \@temptokena{}
 179 \ltj@@listing@jpsetN{65377}{65439}{\ltj@lst@ProcessJALetterHalf}
 180 \ltj@@listing@jpsetN{65024}{65039}{\ltj@lst@ProcessVS}
 181 \ltj@@listing@jpsetN{917760}{917999}{\ltj@lst@ProcessIVS}
 182 \xdef\ltj@@listing@jpcmd{\the\@temptokena}\@temptokena{}
 183
 184 % catcode 対策
 185 \newluatexcatcodetable\CatcodeTableLTJlistings
 186 \setluatexcatcodetable\CatcodeTableLTJlistings{%
 187   \luatexcatcodetable\CatcodeTableLaTeXAtLetter
 188   \catcode\ltjlineendcomment=13%"
 189   \SetCatcodeRange{"FF61}{"FF9F}{13}%     半角カナ
 190   \SetCatcodeRange{"E0100}{"E01EF}{13}%   漢字用異体字セレクタ
 191   \SetCatcodeRange{"FE00}{"FE0F}{13}%     Variation Selector
 192 }
 193
 194 % redefine \lstinline and its inner commands to support Japanese characters
 195 \renewcommand\lstinline[1][]{%
 196     \leavevmode\bgroup % \hbox\bgroup --> \bgroup
 197       \def\lst@boxpos{b}%
 198       \lsthk@PreSet\lstset{flexiblecolumns,#1}%
 199       \lsthk@TextStyle
 200       \@ifnextchar\bgroup \ltj@lst@InlineG \ltj@lstinline@}
 201 \def\ltj@lst@InlineG{%
 202   \lst@Init\relax\edef\ltj@lst@temp{\the\catcode`\}}\catcode`\}=2 \catcode`\ =12\relax
 203   \let\lst@arg\@empty\afterassignment\ltj@lst@InlineG@@\@temptokena}
 204 \def\ltj@lst@InlineG@@{%
 205   \catcode`\}=\ltj@lst@temp%
 206   \expandafter\expandafter\expandafter\lst@InsideConvert%
 207   \expandafter{\the\@temptokena}\lst@arg\lst@DeInit\egroup}
 208 \def\ltj@lstinline@#1{%
 209   \edef\ltj@lst@temp{\the\catcode`#1}
 210   \lst@Init\relax\catcode`#1\ltj@lst@temp
 211   \ifnum\ltj@lst@temp=\active
 212     \begingroup\lccode`\~=`#1\relax
 213     \lowercase{\xdef\lst@next{\noexpand\lst@InlineJ\noexpand~}}\endgroup%
 214   \else
 215     \edef\lst@next{\noexpand\lst@InlineJ\scantextokens{#1}}%
 216   \fi\lst@next
 217 }
 218
 219 % We redefine \lst@BeginDropInput, since now we have
 220 % two additional `process macros'.
 221 \def\lst@BeginDropInput#1{%
 222     \lst@EnterMode{#1}%
 223     {\lst@modetrue
 224      \let\lst@OutputBox\@gobble
 225      \let\lst@ifdropinput\iftrue
 226      \let\lst@ProcessLetter\@gobble
 227      \let\lst@ProcessDigit\@gobble
 228      \let\lst@ProcessOther\@gobble
 229      \let\lst@ProcessSpace\@empty
 230      \let\lst@ProcessTabulator\@empty
 231      \let\lst@ProcessFormFeed\@empty
 232      \let\ltj@lst@ProcessJALetter\@gobble     % added
 233      \let\ltj@lst@ProcessJALetterHalf\@gobble % added
 234 }}
 235
 236 \directlua{
 237   local utfchar, getcount = utf.char, tex.getcount
 238   luatexja.listings.insert_cb = function()
 239     if not luatexja.listings.patched then
 240       luatexja.listings.patched = 1
 241       luatexbase.add_to_callback('process_input_buffer',
 242          function(buf)
 243            local ret = ''
 244            for i = 1, utf.len(buf) do
 245               local c = utf.sub(buf, i, i)
 246               local cu = utf.byte(c)
 247               if cu >= \the\ltj@lst@japanese@min\space and tex.getcatcode(cu) \string~= 13 then
 248                 ret = ret .. utfchar(getcount('ltjlineendcomment'))
 249               end
 250               ret = ret .. c
 251             end
 252             return ret
 253           end, 'ltj.listings_unicode', 1)
 254     end
 255   end
 256   luatexja.listings.remove_cb = function()
 257     if luatexja.listings.patched then
 258       luatexja.listings.patched = nil
 259       luatexbase.remove_from_callback('process_input_buffer',
 260         'ltj.listings_unicode')%
 261     end
 262   end}
 263
 264 % hook!
 265 \lst@AddToHook{Init}{%
 266   \luatexcatcodetable\CatcodeTableLTJlistings\ltj@@listing@jpcmd
 267   \lccode`\~=\ltjlineendcomment\lowercase{\def~{\ltj@lst@ProcessJALetter}}%"
 268   \directlua{luatexja.listings.insert_cb()}%
 269   \if@ltj@lst@double
 270     \let\ltj@lst@hss@normal=\ltj@lst@hss@double
 271   \else
 272     \let\ltj@lst@hss@normal=\lst@hss
 273   \fi
 274   \if@ltj@lst@vsraw
 275     \let\ltj@lst@hss=\ltj@lst@hss@ivs
 276   \else
 277     \let\ltj@lst@hss=\ltj@lst@hss@normal
 278   \fi
 279 }
 280
 281 \def\ltj@lst@MakeActive#1{%
 282     \let\lst@temp\@empty \ltj@lst@MakeActive@#1\relax}
 283 \begingroup
 284 \catcode`\^^A=12
 285 \catcode`\^^@=\active
 286 \lccode`\$=\ltjlineendcomment \catcode`\$=13 %"
 287 \lowercase{%
 288 \gdef\ltj@lst@MakeActive@#1{\let\lst@next\relax%
 289     \ifx#1\relax
 290     \else\let\lst@next\ltj@lst@MakeActive@
 291     \ifnum`#1>\numexpr\ltj@lst@japanese@min-1
 292       \lccode`\^^A=`#1
 293       \lowercase{\lst@lAddTo\lst@temp{$^^A}}%$
 294     \else
 295       \lccode`\^^@=`#1
 296       \lowercase{\lst@lAddTo\lst@temp{^^@}}%
 297     \fi\fi\lst@next}}
 298 \endgroup
 299
 300
 301 \begingroup \lccode`\~=`\ \relax \lowercase{%
 302 \gdef\lst@InsideConvert@#1 #2{%
 303     \ltj@lst@MakeActive{#1}%
 304     \ifx\@empty#2%
 305         \lst@lExtend\lst@arg{\lst@temp}%
 306     \else
 307         \lst@lExtend\lst@arg{\lst@temp~}%
 308         \expandafter\lst@InsideConvert@
 309     \fi#2}
 310 }\endgroup
 311
 312 \lst@AddToHook{ExitVars}{%
 313   \directlua{luatexja.listings.remove_cb()}%
 314 }
 315
 316 % 白線対策
 317 \newif\ifltj@lst@frame@top
 318 \newdimen\ltj@lst@frame@lslimit
 319 \gdef\lst@frameInit{%
 320     \ltj@lst@frame@toptrue
 321     \ifx\lst@framelshape\@empty \let\lst@frameL\@empty \fi
 322     \ifx\lst@framershape\@empty \let\lst@frameR\@empty \fi
 323     \def\lst@framevrule{\vrule\@width\lst@framerulewidth\relax}%
 324     \lst@ifframeround
 325         \lst@frameCalcDimA\z@ \@getcirc\@tempdima
 326         \@tempdimb\@tempdima \divide\@tempdimb\tw@
 327         \advance\@tempdimb -\@wholewidth
 328         \edef\lst@frametextsep{\the\@tempdimb}%
 329         \edef\lst@framerulewidth{\the\@wholewidth}%
 330         \lst@frameCalcDimA\@ne \@getcirc\@tempdima
 331         \@tempdimb\@tempdima \divide\@tempdimb\tw@
 332         \advance\@tempdimb -\tw@\@wholewidth
 333         \advance\@tempdimb -\lst@frametextsep
 334         \edef\lst@rulesep{\the\@tempdimb}%
 335     \fi
 336     \lst@frameMakeBoxV\lst@framebox{\ht\strutbox}{\dp\strutbox}%
 337     %%%%  ここから
 338     \@tempdima\z@
 339     \ifdim\ht\strutbox<\cht\@tempdima=\dimexpr\cht-\ht\strutbox\relax\fi
 340     \ifdim\dp\strutbox<\cdp\@tempdima=\dimexpr\cdp-\dp\strutbox\relax\fi
 341     \ltj@lst@frame@lslimit=-\@tempdima
 342     \def\lst@framelr{%
 343       \ifltj@lst@frame@top\ltj@lst@frame@topfalse\else\lineskiplimit\ltj@lst@frame@lslimit\fi
 344       \copy\lst@framebox}%
 345     %%%% ここまで
 346     \ifx\lst@frametshape\@empty\else
 347         \lst@frameH T\lst@frametshape
 348         \ifvoid\z@\else
 349             \par\lst@parshape
 350             \@tempdima-\baselineskip \advance\@tempdima\ht\z@
 351             \ifdim\prevdepth<\@cclvi\p@\else
 352                 \advance\@tempdima\prevdepth
 353             \fi
 354             \ifdim\@tempdima<\z@
 355                 \vskip\@tempdima\vskip\lineskip
 356             \fi
 357             \noindent\box\z@\par
 358             \lineskiplimit\maxdimen \lineskip\z@
 359         \fi
 360         \lst@frameSpreadV\lst@framextopmargin
 361     \fi}
 362
 363
 364
 365 %%%%%%%%%%%%%%%% escape to \LaTeX
 366 \lstloadaspects{escape}
 367 \gdef\lst@Escape#1#2#3#4{%
 368     \lst@CArgX #1\relax\lst@CDefX
 369         {}%
 370         {\lst@ifdropinput\else
 371          \lst@TrackNewLines\lst@OutputLostSpace \lst@XPrintToken
 372          \lst@InterruptModes
 373          \lst@EnterMode{\lst@TeXmode}{\lst@modetrue}%
 374          \ifx\^^M#2%
 375              \lst@CArg #2\relax\lst@ActiveCDefX
 376                  {}%
 377                  {\lst@escapeend #4\lst@LeaveAllModes\lst@ReenterModes}%
 378                  {\lst@MProcessListing}%
 379          \else
 380              \lst@CArg #2\relax\lst@ActiveCDefX
 381                  {}%
 382                  {\lst@escapeend #4\lst@LeaveAllModes\lst@ReenterModes
 383                   \lst@newlines\z@ \lst@whitespacefalse}%
 384                  {}%
 385          \fi%
 386          \ltj@lst@escape@setup#2%
 387          #3\catcode\ltjlineendcomment=9\lst@escapebegin\expandafter\lst@next%"
 388          \fi}%
 389         {}}
 390 \def\ltj@lst@emptygrp{{}}
 391 \def\ltj@lst@escape@setup#1{%
 392   \begingroup\lccode`\~=`#1\lowercase{%
 393   \gdef\lst@next##1~{%
 394      \let\lst@arg\@empty\ltj@lst@remove@jacmd{##1}%
 395      \expandafter\expandafter\expandafter\expandafter\expandafter\expandafter\expandafter
 396            \scantokens\expandafter\expandafter\expandafter{\expandafter\ltj@lst@emptygrp\lst@arg\empty}%
 397      ~}%
 398   }\endgroup
 399 }
 400 \begingroup
 401   \lccode`\|=\ltjlineendcomment \lowercase{%"
 402   \gdef\ltj@lst@remove@jacmd#1{%
 403     \expandafter\ltj@lst@remove@jacmd@\detokenize{#1}|\@nil|}
 404   \gdef\ltj@lst@remove@jacmd@#1|{%
 405     \ifx#1\@nil\else
 406        \lst@lAddTo\lst@arg{#1}%
 407        \expandafter\ltj@lst@remove@jacmd@
 408     \fi}}
 409 \endgroup
 410
 411 %%%%%%%%%%%%%%%% texcl
 412 \lst@AddToHook{AfterBeginComment}
 413    {\ifnum\lst@mode=\lst@TeXLmode
 414       \catcode`\^^M=13\relax
 415       \catcode\ltjlineendcomment=9\relax
 416     \fi}
 417
 418 %%%%%%%%%%%%%%%%
 419 \lstloadaspects{writefile}
 420 \begingroup \catcode`\^^I=11
 421 \gdef\lst@WFBegin#1#2{%
 422     \begingroup
 423     \let\lst@OutputBox#1%
 424     \def\lst@Append##1{%
 425         \advance\lst@length\@ne
 426         \expandafter\lst@token\expandafter{\the\lst@token##1}%
 427         \ifx ##1\lst@outputspace \else
 428             \lst@WFAppend##1%
 429         \fi}%
 430     \lst@lAddTo\lst@PreGotoTabStop{\lst@WFAppend{^^I}}%
 431     \lst@lAddTo\lst@ProcessSpace{\lst@WFAppend{ }}%
 432     \def\ltj@lst@ProcessIVS##1{\lst@whitespacefalse\lst@Append##1}%
 433     \def\ltj@lst@ProcessVS##1{\lst@whitespacefalse\lst@Append##1}%
 434     \let\lst@DeInit\lst@WFDeInit
 435     \let\lst@MProcessListing\lst@WFMProcessListing
 436     \lst@WFifopen\else
 437         \immediate\openout\lst@WF=#2\relax
 438         \global\let\lst@WFifopen\iftrue
 439         \@gobbletwo\fi\fi
 440     \fi}
 441 \endgroup
 442
 443 %    \begin{修正事項}{1.3} from jlisting.sty
 444 % ちょっとした修正
 445 \gdef\lst@breakProcessOther#1{\lst@ProcessOther#1}
 446 % ソースコード目次における文字と番号の空き
 447 \let \l@lstlisting = \l@figure
 448
 449 %%%%
 450 % キャプションとソースコード目次に対する日本語対応
 451 %\def\lstlistingname{ソースコード}
 452 %\def\lstlistlistingname{ソースコード目次}
 453 %    \end{修正事項}
 454 %%%%
 455
 456 \endinput