inCHISE

   1 #!/usr/bin/perl -w -CSD
   2
   3 # ver.0.2
   4
   5 use strict;
   6 use vars qw($omegadb_path
   7             $opt_protrude $opt_allow_unify
   8             $opt_use_kage_for_Ext_B
   9             %opt_order %order %order_map
  10             $opt_in_cs $opt_out_cs
  11             $opt_help $usage
  12             $in_cs $out_cs $i @chars
  13             $char $char_id $out_char
  14             $char_unified @chars_unified
  15             $ids $ids_argc %ids $idsdb $geta
  16             $idsdata_file $ids_start $font_start
  17             @CDP @HZK @GT
  18             );
  19 use Getopt::Long;
  20 use utf8;
  21 use Fcntl ':flock';
  22 use Chise_utils ':all';
  23 require 5.008;
  24
  25 ### Options ###
  26
  27 #$opt_order{'UniMulti'}='jcgk';
  28 $opt_order{'UniMulti'}='jGcgkHC';
  29 $opt_order{'UniCNS'}='c';
  30 $opt_order{'UniGB'}='g';
  31 $opt_order{'UniJIS'}='j';
  32 $opt_order{'UniKS'}='k';
  33
  34 $opt_allow_unify=1; # 1=true, 0=false.
  35 $opt_protrude=0;# 1=true, 0=false.
  36
  37 # currently does not work.
  38 $opt_use_kage_for_Ext_B=0;# 1=true, 0=false.
  39
  40 ### End ###
  41
  42 my $strictly_forbidden_after = '「【『［（〈“‘‘（〔｛《{\[\(\x{3016}｛｢';
  43 #       \x{3016} | # white 【
  44
  45 my $forbidden_after = "\x{0000}";
  46
  47 # ￥¥＄$〒♯＃#￠¢￡£＠@§
  48 my $slightly_forbidden_after = '￥¥＄$〒♯＃#￠¢￡£＠@§';
  49
  50 # $strictly_forbidden_before
  51 # All these characters are allowed to protrude
  52 # in the right margin
  53 my $strictly_forbidden_before=
  54     '!,.:;?、。！，．：；？。\)#}’”〉》」』】〕\x{3017}）］｝｝」\]';
  55 ###       \x{3017} | # white 】
  56
  57 my $forbidden_before
  58     = 'ー々ぁぃぅぇぉゃゅょっゎァィゥェォャュョッヮヵヶ';
  59
  60 my $slightly_forbidden_before
  61     = '\x{000a}\#\-‐−‰′″℃゛゜ゝゞヽヾ＂％－ﾞﾟ';
  62
  63 my $asian = '\x{1100}-\x{11FF}\x{2E80}-\x{D7AF}\x{F900}-\x{FAFF}\x{FE30}-\x{FE4F}\x{FF00}-\x{FFFFFF}'; # need to fix.
  64
  65 my $space = '\x{0020}\x{0009}\x{000A}\x{000C}\x{000D}';
  66
  67 my %tex_meta=('#'=>'\#',
  68               '$'=>'\\textdollar{}',
  69               '%'=>'\%',
  70               '&'=>'\&',
  71               '{'=>'\\textbraceleft{}',
  72               '}'=>'\\textbraceright{}',
  73               '\\'=>'\\textbackslash{}',
  74               '_'=>'\\textunderscore',
  75              );
  76
  77 my $tex_meta_re=join('|',map {quotemeta($_)} keys %tex_meta);
  78
  79 &GetOptions("in=s"=>\$opt_in_cs,
  80             "out=s"=>\$opt_out_cs,
  81             "help",\$opt_help);
  82
  83 $usage=<<EOF;
  84 Usage: $0 -i <input coding system> -o <cmap encoding>
  85     input coding system:
  86       Utf8mcs, Utf8cns, Utf8gb, Utf8jis, Utf8ks, Utf8big5
  87     cmap encoding:
  88       UniCNS, UniGB, UniJIS, UniKS, UniMulti
  89 EOF
  90
  91 if($opt_in_cs or $opt_out_cs){
  92     $in_cs=$opt_in_cs;
  93     $out_cs=$opt_out_cs;
  94 }elsif(@ARGV==0){
  95     ($in_cs,$out_cs)=($0=~/(Utf8.+)To(\w+)/);
  96 }
  97
  98 # $in_cs:
  99 #   Utf8mcs,Utf8cns,Utf8gb,Utf8jis,Utf8ks,Utf8big5
 100 # $out_cs:
 101 #   UniCNS,UniGB,UniJIS,UniKS,UniMulti
 102
 103 $in_cs=~s/Utf8/ucs\@/;
 104
 105 if($opt_help
 106    or not defined($in_cs)
 107    or not defined($out_cs)){
 108     print $usage;
 109     exit 1;
 110 }
 111
 112 $omegadb_path=~s!/$!!;
 113
 114 $idsdata_file="$omegadb_path/idsdata.pl";
 115 $ids_start=0x00;
 116 $font_start=0;
 117
 118 if(-e $idsdata_file){
 119     open(IDSDATA,"+<:utf8",$idsdata_file) or die;
 120     flock(IDSDATA,LOCK_EX);
 121     seek(IDSDATA,0,0);
 122     while(<IDSDATA>){
 123         eval $_;
 124     }
 125     seek(IDSDATA,0,0);
 126 #         require $idsdata_file;
 127 }else{
 128     open(IDSDATA,">:utf8",$idsdata_file) or die;
 129     flock(IDSDATA,LOCK_EX);
 130     seek(IDSDATA,0,0);
 131 }
 132
 133 $ids_argc=0;
 134 $ids="";
 135
 136 #$geta=pack("U",0x3013);
 137 $geta=pack("U",0xfffd);
 138
 139 @GT=(#"=gt","=gt-k",
 140      "=gt-pj-1","=gt-pj-2","=gt-pj-3","=gt-pj-4","=gt-pj-5",
 141      "=gt-pj-6","=gt-pj-7","=gt-pj-8","=gt-pj-9","=gt-pj-10",
 142      "=gt-pj-11"
 143      #,"=gt-pj-k1","=gt-pj-k2"
 144      );
 145 @HZK=("=hanziku-1","=hanziku-2","=hanziku-3","=hanziku-4",
 146       "=hanziku-5","=hanziku-6","=hanziku-7","=hanziku-8",
 147       "=hanziku-9","=hanziku-10","=hanziku-11","=hanziku-12");
 148 @CDP=("=big5-cdp");
 149
 150 %order_map=('c'=>'UniCNS',
 151             'g'=>'UniGB',
 152             'j'=>'UniJIS',
 153             'k'=>'UniKS',
 154             'G'=>'GT',
 155             'H'=>'HZK',
 156             'C'=>'CDP',
 157             );
 158
 159 foreach $out_cs ('UniCNS','UniGB','UniJIS','UniKS','UniMulti'){
 160     if(defined($opt_order{$out_cs})){
 161         if($opt_order{$out_cs}=~/^[cgjkGHC]+$/){
 162             @{$order{$out_cs}}=map {$order_map{$_}}
 163             (split(//,$opt_order{$out_cs}));
 164         }else{
 165             print STDERR "Invalid order for $out_cs!\n";
 166             exit 1;
 167         }
 168     }
 169 }
 170
 171 while(<>){
 172     utf8::decode($_);
 173
 174     if($in_cs ne 'ucs@mcs'){
 175         s/(.)/&get_char_in_mcs($1,$in_cs)/ge;
 176     }
 177     s/([$asian])\s+([$asian])/$1$2/g unless($out_cs eq 'UniKS');
 178     s/([$asian])\s*([^$asian])/$1 $2/g;
 179     s/([^$asian])\s*([$asian])/$1 $2/g;
 180     s/\-\-\-/pack("U",0x2014)/geo;# EM DASH
 181     s/\-\-/pack("U",0x2013)/geo;# EN DASH
 182     s/\`\`/pack("U",0x201f)/geo;# DOUBLE HIGH-REVERSED-9 QUOTATION MARK
 183     s/\`/pack("U",0x201b)/geo;# SINGLE HIGH-REVERSED-9 QUOTATION MARK
 184     s/\'\'/pack("U",0x201d)/geo;# RIGHT DOUBLE QUOTATION MARK
 185     s/\'/pack("U",0x2019)/geo;# RIGHT DOUBLE QUOTATION MARK
 186     s/(amp.+?;)/&de_tex_er($1)/ge;
 187 #    s/(&.+?;)/&de_tex_er($1)/ge;
 188     @chars=split(//);
 189   CHAR:
 190     for($i=0;$i<=$#chars;$i++){
 191         $char=$chars[$i];
 192         $char_id=unpack("U",$char);
 193
 194         if($char_id<=0x20){
 195             # add quarter space between asian and non-asian.
 196             if($i>0 and $i<$#chars){
 197                 if((($chars[$i-1]=~/[$asian]/)
 198                     and($chars[$i+1]=~/[^$asian]/))
 199                    or(($chars[$i-1]=~/[^$asian]/)
 200                       and($chars[$i+1]=~/[$asian]/))){
 201                     print '{\selectjisfont\hspace{.25ex}}';
 202                 }else{
 203                     print '{\fontencoding{UT1}\fontfamily{omlgc}\selectfont{} }';
 204                 }
 205             }
 206             next CHAR;
 207         }elsif($char=~m/($tex_meta_re)/o){
 208             print $tex_meta{$1};
 209             next CHAR;
 210         }elsif(($char_id>0x20 and $char_id<=0x021f)
 211                # Basic Latin
 212                # Latin-1 Supplement
 213                # Latin Extended-A
 214                # Latin Extended-B (not all)
 215                or($char_id>=0x0250 and $char_id<=0x02af)
 216                # IPA Extensions
 217                or($char_id>=0x0300 and $char_id<=0x033f)
 218                or($char_id>=0x0360 and $char_id<=0x036f)
 219                # Combining Diacritical Marks
 220                or($char_id>=0x1e00 and $char_id<=0x1eff)
 221                # Latin Extended Additional
 222                or($char_id>=0x0370 and $char_id<=0x03ff)
 223                # Greek and Coptic
 224                or($char_id>=0x0400 and $char_id<=0x04ff)
 225                # Cyrillic
 226                or($char_id>=0x0530 and $char_id<=0x058f)
 227                # Armenian
 228                or($char_id>=0x2010 and $char_id<=0x2046)
 229                # General Punctuation (partial)
 230                ){
 231             print &latin_parse();
 232             next CHAR;
 233         }elsif($char_id>=0x2ff0 and $char_id<=0x2fff){
 234             # Ideographic Description Characters
 235             print &ids_parse();
 236             next CHAR;
 237         }else{
 238             if(($out_char=&get_output_char($char,$out_cs))){
 239                 print $out_char,&add_break($i);
 240             }else{
 241                 if($opt_allow_unify){
 242                     @chars_unified=&get_chars_unified($char);
 243                     if(@chars_unified>0){
 244                         foreach $char_unified (@chars_unified){
 245                             if(($out_char
 246                                 =&get_output_char($char_unified,$out_cs))){
 247                                 print $out_char,&add_break($i);
 248                                 next CHAR;
 249                             }
 250                         }
 251                     }
 252                 }
 253                 if($opt_use_kage_for_Ext_B){
 254                     if($char_id >= 0x20000 && $char_id <=0x2a6df){
 255                         # CJK Unified Ideographs Extension B
 256                         if(not defined($ids{$char}) and $ids{$char}[1]>=0){
 257                             $ids{$char}[0]=$font_start;
 258                             $ids{$char}[1]=$ids_start;
 259                             $ids_start++;
 260                             if($ids_start>255){
 261                                 $ids_start=0;
 262                                 $font_start++;
 263                             }
 264                         }
 265                         print "{\\fontencoding{OT1}\\fontfamily{" .
 266                             sprintf("chise%03d",$ids{$char}[0]) .
 267                                 "}\\selectfont\\char$ids{$char}[1]}",&add_break($i);
 268                         next CHAR;
 269                     }
 270                 }
 271                 if($ids=&get_ids($char)){
 272                     print &get_macro_for_ids($ids),&add_break($i);
 273                 }else{
 274                     print '\rule{1ex}{1ex}',&add_break($i);
 275                 }
 276             }
 277         }
 278     }
 279 }
 280
 281 print IDSDATA 'use utf8;',"\n";
 282 foreach $ids (keys %ids){
 283     print IDSDATA '$ids{\'',$ids,'\'}='
 284     ,'[',join ",",@{$ids{$ids}},"];\n";
 285 }
 286 print IDSDATA '$font_start=',$font_start,";\n";
 287 print IDSDATA '$ids_start=',$ids_start,";\n";
 288 print IDSDATA "1;";
 289 flock(IDSDATA,LOCK_UN);
 290
 291 exit 0;
 292
 293 sub de_tex_er{
 294     my($er)=@_;
 295     my($prefix,$suffix);
 296     my($output_char,$atr,$value);
 297     $er=~/^(amp)(.*)(;)$/
 298         and $prefix=$1,$er=$2,$suffix=$3;
 299     $prefix or $prefix="",$suffix or $suffix="";
 300     if($er=~/^U[\+|\-]([a-fA-F\d]+)/){
 301         $output_char=pack("U",hex($1));
 302     }elsif($er=~/^(?:I\-)?($er_prefix_re)\-?([0-9a-fA-F]+)$/){
 303         ($atr,$value)=($1,$2);
 304         unless($er_alias{$atr}=~/daikanwa|gt/){
 305             $value=hex($value);
 306         }
 307         ($output_char)=&get_chars_matching($er_alias{$atr},$value);
 308     }
 309     if($output_char){
 310         return $output_char;
 311     }else{
 312         return $prefix.$er.$suffix;
 313     }
 314 }
 315
 316 sub add_break{
 317     my($i)=@_;
 318
 319     if($i<($#chars-1)){
 320         if(($chars[$i+1]=~m/[$strictly_forbidden_before]/o)
 321            and($chars[$i+2]=~m/[$strictly_forbidden_before]/o)){
 322             return "\\CJKunbreakablekernone ";
 323         }elsif($opt_protrude){
 324             if(($chars[$i+1]=~m/[$strictly_forbidden_before]/o)
 325                and($chars[$i+2]=~m/[^$strictly_forbidden_before]/o)){
 326                 return "\\CJKunbreakablekernone \\CJKprotrude ";
 327             }
 328         }
 329     }
 330     if(($i<$#chars)
 331        and($chars[$i+1]eq" ")){
 332        # preserve space.
 333         return "";
 334     }
 335     if(($i<$#chars)
 336        and($chars[$i+1]=~m/[$strictly_forbidden_before]/o)){
 337         return "\\CJKunbreakablekernone ";
 338     }
 339     if($chars[$i]=~m/[$strictly_forbidden_after]/o){
 340         return "\\CJKunbreakablekernone ";
 341     }
 342     if(($i<$#chars)
 343        and($chars[$i+1]=~m/[$forbidden_before]/o)){
 344         return "\\CJKunbreakablekerntwo ";
 345
 346     }
 347     if($chars[$i]=~m/[$forbidden_after]/o){
 348         return "\\CJKunbreakablekerntwo ";
 349     }
 350     if(($i<$#chars)
 351        and($chars[$i+1]=~m/[$slightly_forbidden_before]/o)){
 352         return "\\CJKunbreakablekernthree ";
 353     }
 354     if($chars[$i]=~m/[$slightly_forbidden_after]/o){
 355         return "\\CJKunbreakablekernthree ";
 356     }
 357     if($chars[$i]=~m/[$asian]/o){
 358         return "\\CJKbreakablekern ";
 359     }
 360     if(($i<$#chars)and($chars[$i+1]=~m/[$asian]/o)){
 361         return "\\CJKbreakablekern ";
 362     }
 363 }
 364
 365 sub latin_parse{
 366     # arguments: none
 367     # return: string for output with TeX macro.
 368     my($char_id);
 369     my $out_str="";
 370     while($i<=$#chars){
 371         $char_id=unpack("U",$chars[$i]);
 372         if(($char_id>0x20 and $char_id<=0x021f)
 373            or($char_id>=0x0250 and $char_id<=0x02af)# IPA Extensions
 374            or($char_id>=0x0300 and $char_id<=0x033f)# Combining Diacritical Marks
 375            or($char_id>=0x0360 and $char_id<=0x036f)
 376            or($char_id>=0x0370 and $char_id<=0x03ff)# Greek and Coptic
 377            or($char_id>=0x0400 and $char_id<=0x04ff)# Cyrillic
 378            or($char_id>=0x0530 and $char_id<=0x058f)# Armenian
 379            ){
 380             $out_str.=$chars[$i];
 381         }elsif($char_id>=0x1e00 and $char_id<=0x1eff){
 382             # Latin Extended Additional
 383             # 0x1e00 -> 0x0600, etc.
 384             $out_str.=pack("U",$char_id-0x1800);
 385         }elsif($char_id>=0x2010 and $char_id<=0x2046){
 386             # General Punctuation (partial)
 387             $out_str.=pack("U",$char_id-0x1000);
 388         }else{
 389             $i--;
 390             last;
 391         }
 392         $i++;
 393     }
 394     return '{\fontencoding{UT1}\fontfamily{omlgc}\selectfont '.$out_str.'}';
 395 }
 396
 397 sub ids_parse{
 398     # arguments: none
 399     # return: character for output,
 400     #          TeX macro for ids,
 401     #          or GETA character if ids is invalid.
 402     my($ids,$ids_argc)=&ids_rest("",0,$chars[$i]);
 403
 404     while($ids_argc>0){
 405         # We are in IDS.
 406         $i++;
 407         if($i>$#chars){
 408             print STDERR "IDS parse error: $ids\n";
 409             return $geta;
 410         }
 411
 412         ($ids,$ids_argc)=&ids_rest($ids,$ids_argc,$chars[$i]);
 413         if($ids_argc==0){
 414             if(($char=&get_char_for_ids($ids))
 415                and($out_char=&get_output_char($char,$out_cs))){
 416                 return $out_char;
 417             }else{
 418                 return &get_macro_for_ids($ids);
 419             }
 420         }
 421     }
 422 }
 423
 424 sub ids_rest{
 425     # arguments: <ids>, <rest number of arguments for ids>, <character>
 426     # return: ids and rest number of arguments for ids.
 427     my($ids,$ids_argc,$char)=@_;
 428     my($argc);
 429     $argc=&ids_argc($char);
 430     if($argc){
 431         $ids_argc+=$ids_argc==0?$argc:$argc-1;
 432     }else{
 433         $ids_argc--;
 434     }
 435     $ids.=$char;
 436     return ($ids,$ids_argc);
 437 }
 438
 439 sub get_macro_for_ids{
 440     # argument: <ids>
 441     # return: TeX macro for ids
 442     #          or GETA character if ids is invalid for KAGE.
 443     my($ids)=@_;
 444     # $ids=&normalize_ids($ids,"UniJIS");
 445     return $geta if(($ids!~/[$idc]/)
 446                     or($ids=~/[\x{10000}-]/));
 447                     #irregular for KAGE.
 448     if(not defined($ids{$ids})){
 449         $ids{$ids}[0]=$font_start;
 450         $ids{$ids}[1]=$ids_start;
 451         $ids_start++;
 452     }
 453     if($ids_start>255){
 454         $ids_start=0;
 455         $font_start++;
 456     }
 457     return "{\\fontencoding{OT1}\\fontfamily{"
 458         .sprintf("chise%03d",$ids{$ids}[0])
 459         ."}\\selectfont\\char$ids{$ids}[1]}";
 460 }
 461
 462 sub normalize_ids{
 463     # argument: <ids>, <output coding system>
 464     # return: ids or GETA character if ids is invalid for KAGE.
 465     my($ids,$out_cs)=@_;
 466     $out_cs=~s/Uni(.+)/'ucs@'.lc($1)/e;
 467
 468     my $output_ids="";
 469     my($char,$output_char_id);
 470     while($ids=~m/(.)/g){
 471         $char=$1;
 472         if($char=~/[$idc]/){
 473             $output_ids.=$char;
 474         }elsif($output_char_id=&get_char_attribute($char,"=$out_cs")
 475            or $output_char_id=&get_char_attribute($char,"=ucs")
 476            or $output_char_id=&get_char_attribute($char,"=>$out_cs")
 477            or $output_char_id=&get_char_attribute($char,"=>ucs")
 478            or $output_char_id=&get_char_attribute($char,"=>ucs*")
 479               ){
 480             $output_ids.=pack("U",$output_char_id);
 481         }else{
 482             return $geta;
 483         }
 484     }
 485     return $output_ids;
 486 }
 487
 488 sub get_output_char{
 489     # argument: <char>
 490     # return: character in output coding system or TeX macro or undef.
 491     my($char,$out_cs)=@_;
 492     my($out_char_id,$suffix);
 493     my($gt,$hzk,$cdp);
 494
 495     foreach $out_cs (@{$order{$out_cs}}){
 496         if($out_cs eq 'UniJIS'
 497            and &get_char_attribute($char,"vnd-adobe-cid-unijis-utf16-h")){
 498             if($out_char_id=&get_char_attribute($char,'=ucs@jis')
 499                or $out_char_id=&get_char_attribute($char,'=ucs')
 500                or $out_char_id=&get_char_attribute($char,'=>ucs@jis')
 501                or $out_char_id=&get_char_attribute($char,'=>ucs')
 502                or $out_char_id=&get_char_attribute($char,'=>ucs*')
 503                ){
 504                 return '{\selectjisfont\char'.$out_char_id.'}';
 505             }
 506         }elsif($out_cs eq 'UniGB'
 507                and &get_char_attribute($char,"vnd-adobe-cid-unigb-ucs2-h")){
 508             if($out_char_id=&get_char_attribute($char,'=ucs@gb')
 509                or $out_char_id=&get_char_attribute($char,'=ucs')
 510                or $out_char_id=&get_char_attribute($char,'=>ucs@gb')
 511                or $out_char_id=&get_char_attribute($char,'=>ucs')
 512                or $out_char_id=&get_char_attribute($char,'=>ucs*')
 513                ){
 514                 return '{\selectgbsfont\char'.$out_char_id.'}';
 515             }
 516         }elsif($out_cs eq 'UniCNS'
 517                and &get_char_attribute($char,"vnd-adobe-cid-unicns-ucs2-h")){
 518             if($out_char_id=&get_char_attribute($char,'=ucs@cns')
 519                or $out_char_id=&get_char_attribute($char,'=ucs')
 520                or $out_char_id=&get_char_attribute($char,'=>ucs@cns')
 521                or $out_char_id=&get_char_attribute($char,'=>ucs')
 522                or $out_char_id=&get_char_attribute($char,'=>ucs*')
 523                ){
 524                 return '{\selectcnsfont\char'.$out_char_id.'}';
 525             }
 526         }elsif($out_cs eq 'UniKS'
 527                and &get_char_attribute($char,"vnd-adobe-cid-uniks-ucs2-h")){
 528             if($out_char_id=&get_char_attribute($char,'=ucs@ks')
 529                or $out_char_id=&get_char_attribute($char,'=ucs')
 530                or $out_char_id=&get_char_attribute($char,'=>ucs@ks')
 531                or $out_char_id=&get_char_attribute($char,'=>ucs')
 532                or $out_char_id=&get_char_attribute($char,'=>ucs*')
 533                ){
 534                 return '{\selectksxfont\char'.$out_char_id.'}';
 535             }
 536         }elsif($out_cs eq 'GT'){
 537             return $gt if($gt=&get_macro_for_GT($char));
 538         }elsif($out_cs eq 'HZK'){
 539             return $hzk if($hzk=&get_macro_for_HZK($char));
 540         }elsif($out_cs eq 'CDP'){
 541             return $cdp if($cdp=&get_macro_for_CDP($char));
 542         }
 543     }
 544     return undef;
 545 }
 546
 547 sub get_ids{
 548     # argument: <character>
 549     # return: ids
 550     my($char)=@_;
 551     my $ids="";
 552     $ids=&get_char_attribute($char,"ids-aggregated")
 553         or $ids=&get_char_attribute($char,"ids");
 554 #    $ids=&get_char_attribute($char,"ids-decomposed")
 555 #       or $ids=&get_char_attribute($char,"ids");
 556 #         or $ids=&get_char_attribute($char,"ideographic-structure");
 557 #    $ids=~s/[? ()]//g;
 558     return $ids;
 559 }
 560
 561 sub get_char_for_ids{
 562     # argument: <ideographic description sequence>
 563     # return: char or undef.
 564     my($ids)=@_;
 565     my($output_char);
 566
 567     if(($output_char)=&get_chars_matching("ids",$ids)){
 568         return $output_char;
 569     }else{
 570         return undef;
 571     }
 572 }
 573
 574 sub get_char_in_mcs{
 575     # argument: <char>, <input coding system>
 576     # return:   char in ucs@mcs.
 577     my($char,$in_cs)=@_;
 578     my($output_char);
 579
 580     return $char if($in_cs eq 'ucs@mcs');
 581
 582     if(($output_char)=&get_chars_matching("=$in_cs",unpack("U",$char))){
 583         return $output_char;
 584     }else{
 585         return $char;
 586     }
 587 }
 588
 589 sub get_chars_unified{
 590     my($char)=@_;
 591     my($chars,$ucs,$char_ucs);
 592     my(@chars);
 593
 594     if($chars=&get_char_attribute($char,'->ucs-unified')){
 595         $chars=~s/^\((.*)\)$/$1/;
 596         return (split(/\s*\?/,$chars));
 597     }elsif($ucs=&get_char_attribute($char,'=>ucs*')
 598           or $ucs=&get_char_attribute($char,'=>ucs')){
 599         $char_ucs=pack("U",$ucs);
 600         if($chars=&get_char_attribute($char_ucs,'->ucs-unified')){
 601             $chars=~s/^\((.*)\)$/$1/;
 602             @chars=grep {not /^$char$/}
 603                 (split(/\s*\?/,$chars));
 604             push(@chars,$char_ucs);
 605             return @chars;
 606         }
 607     }
 608 }
 609
 610 sub get_macro_for_GT{
 611     # argument: <char>
 612     # return: TeX macro for GT fonts or undef.
 613     my($char)=@_;
 614     my($gt,$GT);
 615     foreach (@GT){
 616         if($gt=&get_char_attribute($char,$_)){
 617             m/gt\-pj\-(\d+)/ and $GT=$1;
 618             last;
 619         }
 620     }
 621     if($gt){
 622         return "{\\fontencoding{OT1}\\fontfamily{"
 623             .sprintf("gt%02d",$GT)
 624             ."}\\selectfont\\char".($gt|0x8080)."}";
 625     }else{
 626         return undef;
 627     }
 628 }
 629
 630 sub get_macro_for_HZK{
 631     # argument: <char>
 632     # return: TeX macro for Hanziku fonts or undef.
 633     my($char)=@_;
 634     my($hzk,$HZK);
 635     foreach (@HZK){
 636         if($hzk=&get_char_attribute($char,$_)){
 637             m/hanziku\-(\d+)/ and $HZK=$1;
 638             last;
 639         }
 640     }
 641     if($hzk){
 642         return "{\\fontencoding{OT1}\\fontfamily{".sprintf("hzk%02d",$HZK)."}\\selectfont\\char".$hzk."}";
 643     }else{
 644         return undef;
 645     }
 646 }
 647
 648 sub get_macro_for_CDP{
 649     # argument: <char>
 650     # return: TeX macro for CDP fonts or undef.
 651     my($char)=@_;
 652     my($cdp,$ucs);
 653     foreach (@CDP){
 654         if($cdp=&get_char_attribute($char,$_)){
 655             last;
 656         }
 657     }
 658     if($cdp){
 659         $ucs=&get_char_attribute(&get_chars_matching("=big5-pua",$cdp),"=ucs");
 660         if($ucs){
 661             return "{\\fontencoding{OT1}\\fontfamily{cdp}\\selectfont\\char"
 662                 .$ucs.
 663                     "}";
 664         }else{
 665             print STDERR "This should not happen.\n";
 666             print STDERR "ucs code point of CDP: $cdp not found.\n";
 667         }
 668     }else{
 669         return undef;
 670     }
 671 }