src/patches/lltjp-listings.sty

   1 %
   2 % lltjp-listings.sty
   3 %
   4
   5 \NeedsTeXFormat{LaTeX2e}
   6 \ProvidesPackage{lltjp-listings}[2015/09/10 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.lst = {}
  39   function luatexja.lst.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.lst.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 \lst@InlineG
 183 % because \lstinline!あ...! causes ``Runaway argument?'' Error
 184 \def\lstinline@#1{%
 185     \lst@Init\relax\typeout{N}%
 186     \ltj@lst@check@inline{\lst@InlineM#1}{\lst@InlineJ#1}}
 187 \def\lst@InlineG{%
 188     \lst@Init\relax\typeout{G}\tracingall%
 189     \ltj@lst@check@inline{\lst@InlineM\}}%
 190                          {\let\lst@arg\@empty \lst@InlineGJ}}
 191
 192 \def\ltj@lst@check@inline#1#2#3{%
 193     \typeout{<\meaning#3, \meaning#1>}
 194     \begingroup \lccode`\~=`#3\lowercase{\endgroup
 195     \ifx~}#3%
 196         \def\lst@next{#1}%
 197     \else\ifnum`#3>127\relax
 198         \def\lst@next{#1}%
 199     \else
 200         \def\lst@next{#2}%
 201     \fi\fi\lst@next #3}
 202
 203 % We redefine \lst@BeginDropInput, since now we have
 204 % two additional `process macros'.
 205 \def\lst@BeginDropInput#1{%
 206     \lst@EnterMode{#1}%
 207     {\lst@modetrue
 208      \let\lst@OutputBox\@gobble
 209      \let\lst@ifdropinput\iftrue
 210      \let\lst@ProcessLetter\@gobble
 211      \let\lst@ProcessDigit\@gobble
 212      \let\lst@ProcessOther\@gobble
 213      \let\lst@ProcessSpace\@empty
 214      \let\lst@ProcessTabulator\@empty
 215      \let\lst@ProcessFormFeed\@empty
 216      \let\ltj@lst@ProcessJALetter\@gobble     % added
 217      \let\ltj@lst@ProcessJALetterHalf\@gobble % added
 218 }}
 219
 220
 221 % hook!
 222 \lst@AddToHook{Init}{%
 223   \luatexcatcodetable\CatcodeTableLTJlistings\ltj@@listing@jpcmd
 224   \lccode`\~="FFFFF\lowercase{\def~{\ltj@lst@ProcessJALetter}}%"
 225   \directlua{%
 226     luatexja.patch_listings = 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 .. utf.char(1048575) % U+FFFFF
 235           end
 236           ret = ret .. c
 237         end
 238         return ret
 239       end, 'ltj.listings_unicode', 1)}%
 240   \if@ltj@lst@double
 241     \let\ltj@lst@hss@normal=\ltj@lst@hss@double
 242   \else
 243     \let\ltj@lst@hss@normal=\lst@hss
 244   \fi
 245   \if@ltj@lst@vsraw
 246     \let\ltj@lst@hss=\ltj@lst@hss@ivs
 247   \else
 248     \let\ltj@lst@hss=\ltj@lst@hss@normal
 249   \fi
 250 }
 251
 252 \def\ltj@lst@MakeActive#1{%
 253     \let\lst@temp\@empty \ltj@lst@MakeActive@#1\relax}
 254 \begingroup
 255 \catcode`\^^A=12
 256 \catcode`\^^@=\active
 257 \lccode`\$="FFFFF \catcode`\$=13 %"
 258 \lowercase{%
 259 \gdef\ltj@lst@MakeActive@#1{\let\lst@next\relax%
 260     \ifx#1\relax
 261     \else\let\lst@next\ltj@lst@MakeActive@
 262     \ifnum`#1>127
 263       \lccode`\^^A=`#1
 264       \lowercase{\lst@lAddTo\lst@temp{$^^A}}%
 265     \else
 266       \lccode`\^^@=`#1
 267       \lowercase{\lst@lAddTo\lst@temp{^^@}}%
 268     \fi\fi\lst@next}}
 269 \endgroup
 270
 271
 272 \begingroup \lccode`\~=`\ \relax \lowercase{%
 273 \gdef\lst@InsideConvert@#1 #2{%
 274     \ltj@lst@MakeActive{#1}%
 275     \ifx\@empty#2%
 276         \lst@lExtend\lst@arg{\lst@temp}%
 277     \else
 278         \lst@lExtend\lst@arg{\lst@temp~}%
 279         \expandafter\lst@InsideConvert@
 280     \fi #2}
 281 }\endgroup
 282
 283 \lst@AddToHook{ExitVars}{%
 284   \directlua{%
 285     if luatexja.patch_listings then
 286       luatexja.patch_listings=nil
 287       luatexbase.remove_from_callback('process_input_buffer',
 288         'ltj.listings_unicode')%
 289     end}}
 290
 291
 292 % 白線対策
 293 \newif\ifltj@lst@frame@top
 294 \newdimen\ltj@lst@frame@lslimit
 295 \gdef\lst@frameInit{%
 296     \ltj@lst@frame@toptrue
 297     \ifx\lst@framelshape\@empty \let\lst@frameL\@empty \fi
 298     \ifx\lst@framershape\@empty \let\lst@frameR\@empty \fi
 299     \def\lst@framevrule{\vrule\@width\lst@framerulewidth\relax}%
 300     \lst@ifframeround
 301         \lst@frameCalcDimA\z@ \@getcirc\@tempdima
 302         \@tempdimb\@tempdima \divide\@tempdimb\tw@
 303         \advance\@tempdimb -\@wholewidth
 304         \edef\lst@frametextsep{\the\@tempdimb}%
 305         \edef\lst@framerulewidth{\the\@wholewidth}%
 306         \lst@frameCalcDimA\@ne \@getcirc\@tempdima
 307         \@tempdimb\@tempdima \divide\@tempdimb\tw@
 308         \advance\@tempdimb -\tw@\@wholewidth
 309         \advance\@tempdimb -\lst@frametextsep
 310         \edef\lst@rulesep{\the\@tempdimb}%
 311     \fi
 312     \lst@frameMakeBoxV\lst@framebox{\ht\strutbox}{\dp\strutbox}%
 313     %%%%  ここから
 314     \@tempdima\z@
 315     \ifdim\ht\strutbox<\cht\@tempdima=\dimexpr\cht-\ht\strutbox\relax\fi
 316     \ifdim\dp\strutbox<\cdp\advance\@tempdima=\dimexpr\cdp-\dp\strutbox\relax\fi
 317     \ltj@lst@frame@lslimit=-\@tempdima
 318     \def\lst@framelr{%
 319       \ifltj@lst@frame@top\ltj@lst@frame@topfalse\else\lineskiplimit\ltj@lst@frame@lslimit\fi
 320       \copy\lst@framebox}%
 321     %%%% ここまで
 322     \ifx\lst@frametshape\@empty\else
 323         \lst@frameH T\lst@frametshape
 324         \ifvoid\z@\else
 325             \par\lst@parshape
 326             \@tempdima-\baselineskip \advance\@tempdima\ht\z@
 327             \ifdim\prevdepth<\@cclvi\p@\else
 328                 \advance\@tempdima\prevdepth
 329             \fi
 330             \ifdim\@tempdima<\z@
 331                 \vskip\@tempdima\vskip\lineskip
 332             \fi
 333             \noindent\box\z@\par
 334             \lineskiplimit\maxdimen \lineskip\z@
 335         \fi
 336         \lst@frameSpreadV\lst@framextopmargin
 337     \fi}
 338
 339
 340
 341 %%%%%%%%%%%%%%%% escape to \LaTeX
 342 \lstloadaspects{escape}
 343 \gdef\lst@Escape#1#2#3#4{%
 344     \lst@CArgX #1\relax\lst@CDefX
 345         {}%
 346         {\lst@ifdropinput\else
 347          \lst@TrackNewLines\lst@OutputLostSpace \lst@XPrintToken
 348          \lst@InterruptModes
 349          \lst@EnterMode{\lst@TeXmode}{\lst@modetrue}%
 350          \ifx\^^M#2%
 351              \lst@CArg #2\relax\lst@ActiveCDefX
 352                  {}%
 353                  {\lst@escapeend #4\lst@LeaveAllModes\lst@ReenterModes}%
 354                  {\lst@MProcessListing}%
 355          \else
 356              \lst@CArg #2\relax\lst@ActiveCDefX
 357                  {}%
 358                  {\lst@escapeend #4\lst@LeaveAllModes\lst@ReenterModes
 359                   \lst@newlines\z@ \lst@whitespacefalse}%
 360                  {}%
 361          \fi
 362          #3\catcode"FFFFF=9\lst@escapebegin%"
 363          \fi}%
 364         {}}
 365
 366 %%%%%%%%%%%%%%%%
 367 \lstloadaspects{writefile}
 368 \begingroup \catcode`\^^I=11
 369 \gdef\lst@WFBegin#1#2{%
 370     \begingroup
 371     \let\lst@OutputBox#1%
 372     \def\lst@Append##1{%
 373         \advance\lst@length\@ne
 374         \expandafter\lst@token\expandafter{\the\lst@token##1}%
 375         \ifx ##1\lst@outputspace \else
 376             \lst@WFAppend##1%
 377         \fi}%
 378     \lst@lAddTo\lst@PreGotoTabStop{\lst@WFAppend{^^I}}%
 379     \lst@lAddTo\lst@ProcessSpace{\lst@WFAppend{ }}%
 380     \def\ltj@lst@ProcessIVS##1{\lst@whitespacefalse\lst@Append##1}%
 381     \def\ltj@lst@ProcessVS##1{\lst@whitespacefalse\lst@Append##1}%
 382     \let\lst@DeInit\lst@WFDeInit
 383     \let\lst@MProcessListing\lst@WFMProcessListing
 384     \lst@WFifopen\else
 385         \immediate\openout\lst@WF=#2\relax
 386         \global\let\lst@WFifopen\iftrue
 387         \@gobbletwo\fi\fi
 388     \fi}
 389 \endgroup
 390
 391
 392 %    \begin{修正事項}{1.3} from jlisting.sty
 393 % ちょっとした修正
 394 \gdef\lst@breakProcessOther#1{\lst@ProcessOther#1}
 395 % ソースコード目次における文字と番号の空き
 396 \let \l@lstlisting = \l@figure
 397 % キャプションとソースコード目次に対する日本語対応
 398 \def\lstlistingname{ソースコード}
 399 \def\lstlistlistingname{ソースコード目次}
 400 %    \end{修正事項}
 401 \endinput