src/patches/lltjp-listings.sty

   1 %
   2 % lltjp-listings.sty 2018-08-25
   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 % We redefine \lst@BeginDropInput, since now we have
 200 % two additional `process macros'.
 201 \def\lst@BeginDropInput#1{%
 202     \lst@EnterMode{#1}%
 203     {\lst@modetrue
 204      \let\lst@OutputBox\@gobble
 205      \let\lst@ifdropinput\iftrue
 206      \let\lst@ProcessLetter\@gobble
 207      \let\lst@ProcessDigit\@gobble
 208      \let\lst@ProcessOther\@gobble
 209      \let\lst@ProcessSpace\@empty
 210      \let\lst@ProcessTabulator\@empty
 211      \let\lst@ProcessFormFeed\@empty
 212      \let\ltj@lst@ProcessJALetter\@gobble     % added
 213      \let\ltj@lst@ProcessJALetterHalf\@gobble % added
 214 }}
 215
 216 \directlua{
 217   local utfchar, getcount = unicode.utf8.char, tex.getcount
 218   luatexja.listings.insert_cb = function()
 219     if not luatexja.listings.patched then
 220       luatexja.listings.patched = 1
 221       luatexbase.add_to_callback('process_input_buffer',
 222          function(buf)
 223            local ret = ''
 224            for i = 1, utf.len(buf) do
 225               local c = utf.sub(buf, i, i)
 226               local cu = utf.byte(c)
 227               if cu >= 0x80 and tex.getcatcode(cu) \string~= 13 then
 228                 ret = ret .. utfchar(getcount('ltjlineendcomment'))
 229               end
 230               ret = ret .. c
 231             end
 232             return ret
 233           end, 'ltj.listings_unicode', 1)
 234     end
 235   end
 236   luatexja.listings.remove_cb = function()
 237     if luatexja.listings.patched then
 238       luatexja.listings.patched = nil
 239       luatexbase.remove_from_callback('process_input_buffer',
 240         'ltj.listings_unicode')%
 241     end
 242   end}
 243
 244 % hook!
 245 \lst@AddToHook{Init}{%
 246   \luatexcatcodetable\CatcodeTableLTJlistings\ltj@@listing@jpcmd
 247   \lccode`\~=\ltjlineendcomment\lowercase{\def~{\ltj@lst@ProcessJALetter}}%"
 248   \directlua{luatexja.listings.insert_cb()}%
 249   \if@ltj@lst@double
 250     \let\ltj@lst@hss@normal=\ltj@lst@hss@double
 251   \else
 252     \let\ltj@lst@hss@normal=\lst@hss
 253   \fi
 254   \if@ltj@lst@vsraw
 255     \let\ltj@lst@hss=\ltj@lst@hss@ivs
 256   \else
 257     \let\ltj@lst@hss=\ltj@lst@hss@normal
 258   \fi
 259 }
 260
 261 \def\ltj@lst@MakeActive#1{%
 262     \let\lst@temp\@empty \ltj@lst@MakeActive@#1\relax}
 263 \begingroup
 264 \catcode`\^^A=12
 265 \catcode`\^^@=\active
 266 \lccode`\$=\ltjlineendcomment \catcode`\$=13 %"
 267 \lowercase{%
 268 \gdef\ltj@lst@MakeActive@#1{\let\lst@next\relax%
 269     \ifx#1\relax
 270     \else\let\lst@next\ltj@lst@MakeActive@
 271     \ifnum`#1>127
 272       \lccode`\^^A=`#1
 273       \lowercase{\lst@lAddTo\lst@temp{$^^A}}%$
 274     \else
 275       \lccode`\^^@=`#1
 276       \lowercase{\lst@lAddTo\lst@temp{^^@}}%
 277     \fi\fi\lst@next}}
 278 \endgroup
 279
 280
 281 \begingroup \lccode`\~=`\ \relax \lowercase{%
 282 \gdef\lst@InsideConvert@#1 #2{%
 283     \ltj@lst@MakeActive{#1}%
 284     \ifx\@empty#2%
 285         \lst@lExtend\lst@arg{\lst@temp}%
 286     \else
 287         \lst@lExtend\lst@arg{\lst@temp~}%
 288         \expandafter\lst@InsideConvert@
 289     \fi#2}
 290 }\endgroup
 291
 292 \lst@AddToHook{ExitVars}{%
 293   \directlua{luatexja.listings.remove_cb()}%
 294 }
 295
 296 % 白線対策
 297 \newif\ifltj@lst@frame@top
 298 \newdimen\ltj@lst@frame@lslimit
 299 \gdef\lst@frameInit{%
 300     \ltj@lst@frame@toptrue
 301     \ifx\lst@framelshape\@empty \let\lst@frameL\@empty \fi
 302     \ifx\lst@framershape\@empty \let\lst@frameR\@empty \fi
 303     \def\lst@framevrule{\vrule\@width\lst@framerulewidth\relax}%
 304     \lst@ifframeround
 305         \lst@frameCalcDimA\z@ \@getcirc\@tempdima
 306         \@tempdimb\@tempdima \divide\@tempdimb\tw@
 307         \advance\@tempdimb -\@wholewidth
 308         \edef\lst@frametextsep{\the\@tempdimb}%
 309         \edef\lst@framerulewidth{\the\@wholewidth}%
 310         \lst@frameCalcDimA\@ne \@getcirc\@tempdima
 311         \@tempdimb\@tempdima \divide\@tempdimb\tw@
 312         \advance\@tempdimb -\tw@\@wholewidth
 313         \advance\@tempdimb -\lst@frametextsep
 314         \edef\lst@rulesep{\the\@tempdimb}%
 315     \fi
 316     \lst@frameMakeBoxV\lst@framebox{\ht\strutbox}{\dp\strutbox}%
 317     %%%%  ここから
 318     \@tempdima\z@
 319     \ifdim\ht\strutbox<\cht\@tempdima=\dimexpr\cht-\ht\strutbox\relax\fi
 320     \ifdim\dp\strutbox<\cdp\@tempdima=\dimexpr\cdp-\dp\strutbox\relax\fi
 321     \ltj@lst@frame@lslimit=-\@tempdima
 322     \def\lst@framelr{%
 323       \ifltj@lst@frame@top\ltj@lst@frame@topfalse\else\lineskiplimit\ltj@lst@frame@lslimit\fi
 324       \copy\lst@framebox}%
 325     %%%% ここまで
 326     \ifx\lst@frametshape\@empty\else
 327         \lst@frameH T\lst@frametshape
 328         \ifvoid\z@\else
 329             \par\lst@parshape
 330             \@tempdima-\baselineskip \advance\@tempdima\ht\z@
 331             \ifdim\prevdepth<\@cclvi\p@\else
 332                 \advance\@tempdima\prevdepth
 333             \fi
 334             \ifdim\@tempdima<\z@
 335                 \vskip\@tempdima\vskip\lineskip
 336             \fi
 337             \noindent\box\z@\par
 338             \lineskiplimit\maxdimen \lineskip\z@
 339         \fi
 340         \lst@frameSpreadV\lst@framextopmargin
 341     \fi}
 342
 343
 344
 345 %%%%%%%%%%%%%%%% escape to \LaTeX
 346 \lstloadaspects{escape}
 347 \gdef\lst@Escape#1#2#3#4{%
 348     \lst@CArgX #1\relax\lst@CDefX
 349         {}%
 350         {\lst@ifdropinput\else
 351          \lst@TrackNewLines\lst@OutputLostSpace \lst@XPrintToken
 352          \lst@InterruptModes
 353          \lst@EnterMode{\lst@TeXmode}{\lst@modetrue}%
 354          \ifx\^^M#2%
 355              \lst@CArg #2\relax\lst@ActiveCDefX
 356                  {}%
 357                  {\lst@escapeend #4\lst@LeaveAllModes\lst@ReenterModes}%
 358                  {\lst@MProcessListing}%
 359          \else
 360              \lst@CArg #2\relax\lst@ActiveCDefX
 361                  {}%
 362                  {\lst@escapeend #4\lst@LeaveAllModes\lst@ReenterModes
 363                   \lst@newlines\z@ \lst@whitespacefalse}%
 364                  {}%
 365          \fi%
 366          \ltj@lst@escape@setup#2%
 367          #3\catcode\ltjlineendcomment=9\lst@escapebegin\expandafter\lst@next%"
 368          \fi}%
 369         {}}
 370 \def\ltj@lst@escape@setup#1{%
 371   \begingroup\lccode`\~=`#1\lowercase{%
 372   \gdef\lst@next##1~{%
 373      \let\lst@arg\@empty\ltj@lst@remove@jacmd{##1}%
 374      \expandafter\expandafter\expandafter\scantokens\expandafter{\lst@arg}%
 375      ~}%
 376   }\endgroup
 377 }
 378 \begingroup
 379   \lccode`\|=\ltjlineendcomment \lowercase{%"
 380   \gdef\ltj@lst@remove@jacmd#1{%
 381     \expandafter\ltj@lst@remove@jacmd@\detokenize{#1}|\@nil|}
 382   \gdef\ltj@lst@remove@jacmd@#1|{%
 383     \ifx#1\@nil\else
 384        \lst@lAddTo\lst@arg{#1}%
 385        \expandafter\ltj@lst@remove@jacmd@
 386     \fi}}
 387 \endgroup
 388
 389 %%%%%%%%%%%%%%%% texcl
 390 \lst@AddToHook{AfterBeginComment}
 391    {\ifnum\lst@mode=\lst@TeXLmode
 392       \catcode`\^^M=13\relax
 393       \catcode\ltjlineendcomment=9\relax
 394     \fi}
 395
 396 %%%%%%%%%%%%%%%%
 397 \lstloadaspects{writefile}
 398 \begingroup \catcode`\^^I=11
 399 \gdef\lst@WFBegin#1#2{%
 400     \begingroup
 401     \let\lst@OutputBox#1%
 402     \def\lst@Append##1{%
 403         \advance\lst@length\@ne
 404         \expandafter\lst@token\expandafter{\the\lst@token##1}%
 405         \ifx ##1\lst@outputspace \else
 406             \lst@WFAppend##1%
 407         \fi}%
 408     \lst@lAddTo\lst@PreGotoTabStop{\lst@WFAppend{^^I}}%
 409     \lst@lAddTo\lst@ProcessSpace{\lst@WFAppend{ }}%
 410     \def\ltj@lst@ProcessIVS##1{\lst@whitespacefalse\lst@Append##1}%
 411     \def\ltj@lst@ProcessVS##1{\lst@whitespacefalse\lst@Append##1}%
 412     \let\lst@DeInit\lst@WFDeInit
 413     \let\lst@MProcessListing\lst@WFMProcessListing
 414     \lst@WFifopen\else
 415         \immediate\openout\lst@WF=#2\relax
 416         \global\let\lst@WFifopen\iftrue
 417         \@gobbletwo\fi\fi
 418     \fi}
 419 \endgroup
 420
 421
 422 %    \begin{修正事項}{1.3} from jlisting.sty
 423 % ちょっとした修正
 424 \gdef\lst@breakProcessOther#1{\lst@ProcessOther#1}
 425 % ソースコード目次における文字と番号の空き
 426 \let \l@lstlisting = \l@figure
 427
 428 %%%%
 429 % キャプションとソースコード目次に対する日本語対応
 430 %\def\lstlistingname{ソースコード}
 431 %\def\lstlistlistingname{ソースコード目次}
 432 %    \end{修正事項}
 433 %%%%
 434
 435 \endinput