src/patches/lltjp-listings.sty

   1 %
   2 % lltjp-listings.sty
   3 %
   4
   5 \NeedsTeXFormat{LaTeX2e}
   6 \ProvidesPackage{lltjp-listings}[2015/01/08 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
 186     \ltj@lst@check@inline{\lst@InlineM#1}{\lst@InlineJ#1}}
 187 \def\lst@InlineG{%
 188     \lst@Init\relax
 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     \begingroup \lccode`\~=`#3\lowercase{\endgroup
 194     \ifx~}#3%
 195         \def\lst@next{#1}%
 196     \else\ifnum`#3>127\relax
 197         \def\lst@next{#1}%
 198     \else
 199         \def\lst@next{#2}%
 200     \fi\fi\lst@next #3}
 201
 202 % We redefine \lst@BeginDropInput, since now we have
 203 % two additional `process macros'.
 204 \def\lst@BeginDropInput#1{%
 205     \lst@EnterMode{#1}%
 206     {\lst@modetrue
 207      \let\lst@OutputBox\@gobble
 208      \let\lst@ifdropinput\iftrue
 209      \let\lst@ProcessLetter\@gobble
 210      \let\lst@ProcessDigit\@gobble
 211      \let\lst@ProcessOther\@gobble
 212      \let\lst@ProcessSpace\@empty
 213      \let\lst@ProcessTabulator\@empty
 214      \let\lst@ProcessFormFeed\@empty
 215      \let\ltj@lst@ProcessJALetter\@gobble     % added
 216      \let\ltj@lst@ProcessJALetterHalf\@gobble % added
 217 }}
 218
 219
 220 % hook!
 221 \lst@AddToHook{Init}{%
 222   \luatexcatcodetable\CatcodeTableLTJlistings\ltj@@listing@jpcmd
 223   \lccode`\~="FFFFF\lowercase{\def~{\ltj@lst@ProcessJALetter}}%"
 224   \directlua{luatexbase.add_to_callback('process_input_buffer',
 225     function(buf)
 226       local ret = ''
 227       for i = 1, utf.len(buf) do
 228         local c = utf.sub(buf, i, i)
 229         local cu = utf.byte(c)
 230         if cu >= 0x80 and tex.getcatcode(cu) \string~= 13 then
 231           ret = ret .. utf.char(1048575) % U+FFFFF
 232         end
 233         ret = ret .. c
 234       end
 235       return ret
 236     end, 'ltj.listings_unicode', 1)}%
 237   \if@ltj@lst@double
 238     \let\ltj@lst@hss@normal=\ltj@lst@hss@double
 239   \else
 240     \let\ltj@lst@hss@normal=\lst@hss
 241   \fi
 242   \if@ltj@lst@vsraw
 243     \let\ltj@lst@hss=\ltj@lst@hss@ivs
 244   \else
 245     \let\ltj@lst@hss=\ltj@lst@hss@normal
 246   \fi
 247 }
 248 \lst@AddToHook{ExitVars}{%
 249   \directlua{luatexbase.remove_from_callback('process_input_buffer',
 250     'ltj.listings_unicode')}%
 251 }
 252
 253
 254 % 白線対策
 255 \def\lst@OutputToken{%
 256     \lst@TrackNewLines \lst@OutputLostSpace
 257     \lst@ifgobbledws
 258         \lst@gobbledwhitespacefalse
 259         \lst@@discretionary
 260     \fi
 261     \lst@CheckMerge
 262     {\lst@thestyle{\lst@FontAdjust
 263      \setbox\@tempboxa\lst@hbox
 264         {\lsthk@OutputBox
 265          \lst@lefthss
 266          \expandafter\lst@FillOutputBox\the\lst@token\@empty
 267          \lst@righthss}%
 268      \ht\@tempboxa=0pt\dp\@tempboxa=0pt
 269      \lst@CalcLostSpaceAndOutput}}%
 270     \lst@ResetToken}
 271
 272 %%%%%%%%%%%%%%%% escape to \LaTeX
 273 \lstloadaspects{escape}
 274 \gdef\lst@Escape#1#2#3#4{%
 275     \lst@CArgX #1\relax\lst@CDefX
 276         {}%
 277         {\lst@ifdropinput\else
 278          \lst@TrackNewLines\lst@OutputLostSpace \lst@XPrintToken
 279          \lst@InterruptModes
 280          \lst@EnterMode{\lst@TeXmode}{\lst@modetrue}%
 281          \ifx\^^M#2%
 282              \lst@CArg #2\relax\lst@ActiveCDefX
 283                  {}%
 284                  {\lst@escapeend #4\lst@LeaveAllModes\lst@ReenterModes}%
 285                  {\lst@MProcessListing}%
 286          \else
 287              \lst@CArg #2\relax\lst@ActiveCDefX
 288                  {}%
 289                  {\lst@escapeend #4\lst@LeaveAllModes\lst@ReenterModes
 290                   \lst@newlines\z@ \lst@whitespacefalse}%
 291                  {}%
 292          \fi
 293          #3\catcode"FFFFF=9\lst@escapebegin%"
 294          \fi}%
 295         {}}
 296
 297 %%%%%%%%%%%%%%%%
 298 \lstloadaspects{writefile}
 299 \begingroup \catcode`\^^I=11
 300 \gdef\lst@WFBegin#1#2{%
 301     \begingroup
 302     \let\lst@OutputBox#1%
 303     \def\lst@Append##1{%
 304         \advance\lst@length\@ne
 305         \expandafter\lst@token\expandafter{\the\lst@token##1}%
 306         \ifx ##1\lst@outputspace \else
 307             \lst@WFAppend##1%
 308         \fi}%
 309     \lst@lAddTo\lst@PreGotoTabStop{\lst@WFAppend{^^I}}%
 310     \lst@lAddTo\lst@ProcessSpace{\lst@WFAppend{ }}%
 311     \def\ltj@lst@ProcessIVS##1{\lst@whitespacefalse\lst@Append##1}%
 312     \def\ltj@lst@ProcessVS##1{\lst@whitespacefalse\lst@Append##1}%
 313     \let\lst@DeInit\lst@WFDeInit
 314     \let\lst@MProcessListing\lst@WFMProcessListing
 315     \lst@WFifopen\else
 316         \immediate\openout\lst@WF=#2\relax
 317         \global\let\lst@WFifopen\iftrue
 318         \@gobbletwo\fi\fi
 319     \fi}
 320 \endgroup
 321
 322
 323 %    \begin{修正事項}{1.3} from jlisting.sty
 324 % ちょっとした修正
 325 \gdef\lst@breakProcessOther#1{\lst@ProcessOther#1}
 326 % ソースコード目次における文字と番号の空き
 327 \let \l@lstlisting = \l@figure
 328 % キャプションとソースコード目次に対する日本語対応
 329 \def\lstlistingname{ソースコード}
 330 \def\lstlistlistingname{ソースコード目次}
 331 %    \end{修正事項}
 332 \endinput