src/patches/lltjp-listings.sty

   1 %
   2 % lltjp-listings.sty
   3 %
   4
   5 \NeedsTeXFormat{LaTeX2e}
   6 \ProvidesPackage{lltjp-listings}[2015/12/11 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.listings = {}
  39   function luatexja.listings.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.listings.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 its inner commands to support Japanese characters
 183 \renewcommand\lstinline[1][]{%
 184     \leavevmode\bgroup % \hbox\bgroup --> \bgroup
 185       \def\lst@boxpos{b}%
 186       \lsthk@PreSet\lstset{flexiblecolumns,#1}%
 187       \lsthk@TextStyle
 188       \@ifnextchar\bgroup \ltj@lst@InlineG \ltj@lstinline@}
 189 \def\ltj@lstinline@#1{%
 190   \edef\ltj@lst@temp{\the\catcode`#1}\lst@Init\relax\catcode`#1\ltj@lst@temp
 191   \lst@InlineJ#1}
 192 \def\ltj@lst@InlineG{%
 193   \lst@Init\relax\edef\ltj@lst@temp{\the\catcode`\}}\catcode`\}=2 \catcode`\ =12\relax
 194   \let\lst@arg\@empty\afterassignment\ltj@lst@InlineG@@\@temptokena}
 195 \def\ltj@lst@InlineG@@{%
 196   \catcode`\}=\ltj@lst@temp%
 197   \expandafter\expandafter\expandafter\lst@InsideConvert%
 198   \expandafter{\the\@temptokena}\lst@arg\lst@DeInit\egroup}
 199
 200 % We redefine \lst@BeginDropInput, since now we have
 201 % two additional `process macros'.
 202 \def\lst@BeginDropInput#1{%
 203     \lst@EnterMode{#1}%
 204     {\lst@modetrue
 205      \let\lst@OutputBox\@gobble
 206      \let\lst@ifdropinput\iftrue
 207      \let\lst@ProcessLetter\@gobble
 208      \let\lst@ProcessDigit\@gobble
 209      \let\lst@ProcessOther\@gobble
 210      \let\lst@ProcessSpace\@empty
 211      \let\lst@ProcessTabulator\@empty
 212      \let\lst@ProcessFormFeed\@empty
 213      \let\ltj@lst@ProcessJALetter\@gobble     % added
 214      \let\ltj@lst@ProcessJALetterHalf\@gobble % added
 215 }}
 216
 217 \directlua{
 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 .. utf.char(1048575) % U+FFFFF
 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`\~="FFFFF\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`\$="FFFFF \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\advance\@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"FFFFF=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`\|="FFFFF \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 %%%%%%%%%%%%%%%%
 390 \lstloadaspects{writefile}
 391 \begingroup \catcode`\^^I=11
 392 \gdef\lst@WFBegin#1#2{%
 393     \begingroup
 394     \let\lst@OutputBox#1%
 395     \def\lst@Append##1{%
 396         \advance\lst@length\@ne
 397         \expandafter\lst@token\expandafter{\the\lst@token##1}%
 398         \ifx ##1\lst@outputspace \else
 399             \lst@WFAppend##1%
 400         \fi}%
 401     \lst@lAddTo\lst@PreGotoTabStop{\lst@WFAppend{^^I}}%
 402     \lst@lAddTo\lst@ProcessSpace{\lst@WFAppend{ }}%
 403     \def\ltj@lst@ProcessIVS##1{\lst@whitespacefalse\lst@Append##1}%
 404     \def\ltj@lst@ProcessVS##1{\lst@whitespacefalse\lst@Append##1}%
 405     \let\lst@DeInit\lst@WFDeInit
 406     \let\lst@MProcessListing\lst@WFMProcessListing
 407     \lst@WFifopen\else
 408         \immediate\openout\lst@WF=#2\relax
 409         \global\let\lst@WFifopen\iftrue
 410         \@gobbletwo\fi\fi
 411     \fi}
 412 \endgroup
 413
 414
 415 %    \begin{修正事項}{1.3} from jlisting.sty
 416 % ちょっとした修正
 417 \gdef\lst@breakProcessOther#1{\lst@ProcessOther#1}
 418 % ソースコード目次における文字と番号の空き
 419 \let \l@lstlisting = \l@figure
 420 % キャプションとソースコード目次に対する日本語対応
 421 \def\lstlistingname{ソースコード}
 422 \def\lstlistlistingname{ソースコード目次}
 423 %    \end{修正事項}
 424 \endinput