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_preserve_spaces
  12             $opt_help $usage
  13             $in_cs $out_cs $i @chars
  14             $char $char_id $out_char
  15             $char_unified @chars_unified
  16             $ids $ids_argc %ids $idsdb $geta
  17             $idsdata_file $ids_start $font_start
  18             @CDP @HZK @GT
  19             );
  20 use Getopt::Long;
  21 use utf8;
  22 use Fcntl ':flock';
  23 use Chise_utils ':all';
  24 require 5.008;
  25
  26 ### Options ###
  27
  28 $opt_order{'UniMulti'}='jGcgk';
  29 #$opt_order{'UniMulti'}='jGcgkHC';
  30 $opt_order{'UniCNS'}='c';
  31 $opt_order{'UniGB'}='g';
  32 $opt_order{'UniJIS'}='j';
  33 $opt_order{'UniKS'}='k';
  34
  35 $opt_allow_unify=1; # 1=true, 0=false.
  36 $opt_protrude=0;# 1=true, 0=false.
  37
  38 # currently does not work.
  39 $opt_use_kage_for_Ext_B=0;# 1=true, 0=false.
  40
  41 ### End ###
  42
  43 my $strictly_forbidden_after = '「【『［（〈‘‛“‟（〔｛《{\[\(〖｛｢';
  44
  45 my $forbidden_after = "\x{0000}";
  46
  47 # ￥¥＄$〒♯＃#￠¢￡£＠@§
  48 my $slightly_forbidden_after = '￥¥＄$〒♯＃#￠¢￡£＠@§';
  49
  50 # $strictly_forbidden_before
  51 # All these characters are allowed to protrude
  52 # in the right margin
  53 my $strictly_forbidden_before=
  54     '!,.:;?、。！，．：；？。\)\]}’”〉》」』】〕〗）］｝」';
  55
  56 my $forbidden_before
  57     = 'ー々ぁぃぅぇぉゃゅょっゎァィゥェォャュョッヮヵヶ';
  58
  59 my $slightly_forbidden_before
  60     = '\x{000a}\#\-‐−‰′″℃゛゜ゝゞヽヾ＂％－ﾞﾟ';
  61
  62 #my $asian = '\x{1100}-\x{11FF}\x{2E80}-\x{D7AF}\x{F900}-\x{FAFF}\x{FE30}-\x{FE4F}\x{FF00}-\x{FFFFFF}'; # need to be fixed.
  63 my $asian = '\x{2E80}-\x{312f}\x{3190}-\x{ABFF}\x{F900}-\x{FAFF}\x{FE30}-\x{FE4F}\x{FF00}-\x{FFFFFF}'; # need to be fixed.
  64
  65 my $space = '\x{0020}\x{0009}\x{000A}\x{000C}\x{000D}';
  66
  67 my $hangul='\x{1100}-\x{11ff}\x{3130}-\x{318f}\x{AC00}-\x{D7AF}';
  68
  69 my %tex_meta=('#'=>'\#',
  70               '$'=>'\\textdollar{}',
  71               '%'=>'\%',
  72               '&'=>'\&',
  73               '{'=>'\\textbraceleft{}',
  74               '}'=>'\\textbraceright{}',
  75               '\\'=>'\\textbackslash{}',
  76               '_'=>'\\textunderscore',
  77              );
  78
  79 my $tex_meta_re=join('|',map {quotemeta($_)} keys %tex_meta);
  80
  81 &GetOptions("in=s"=>\$opt_in_cs,
  82             "out=s"=>\$opt_out_cs,
  83             "help",\$opt_help);
  84
  85 $usage=<<EOF;
  86 Usage: $0 -i <input coding system> -o <cmap encoding>
  87     input coding system:
  88       Utf8mcs, Utf8cns, Utf8gb, Utf8jis, Utf8ks, Utf8big5
  89     cmap encoding:
  90       UniCNS, UniGB, UniJIS, UniKS, UniMulti
  91 EOF
  92
  93 if($opt_in_cs or $opt_out_cs){
  94     $in_cs=$opt_in_cs;
  95     $out_cs=$opt_out_cs;
  96 }elsif(@ARGV==0){
  97     ($in_cs
  98      ,$out_cs
  99      ,$opt_preserve_spaces)
 100         =($0=~/(Utf8mcs|Utf8cns|Utf8gb|Utf8jis|Utf8ks|Utf8big5)
 101           To (UniCNS|UniGB|UniJIS|UniKS|UniMulti)
 102           (Sp)?/ox);
 103 }
 104
 105 # $in_cs:
 106 #   Utf8mcs,Utf8cns,Utf8gb,Utf8jis,Utf8ks,Utf8big5
 107 # $out_cs:
 108 #   UniCNS,UniGB,UniJIS,UniKS,UniMulti
 109
 110 $in_cs=~s/Utf8/ucs\@/;
 111
 112 if($opt_help
 113    or not defined($in_cs)
 114    or not defined($out_cs)){
 115     print $usage;
 116     exit 1;
 117 }
 118
 119 $omegadb_path=~s!/$!!;
 120
 121 $idsdata_file="$omegadb_path/idsdata.txt";
 122 $ids_start=0x00;
 123 $font_start=0;
 124
 125 if(-e $idsdata_file){
 126     open(IDSDATA,"+<:utf8",$idsdata_file) or die;
 127     flock(IDSDATA,LOCK_EX);
 128     seek(IDSDATA,0,0);
 129     while(<IDSDATA>){
 130         utf8::decode($_);
 131         if(m/^START\t(\d+)\t(\d+)/){
 132             $font_start=$1,$ids_start=$2;
 133         }elsif(m/^(.*?)\t(\d+)\t(\d+)/){
 134             $ids{$1}=[$2,$3,];
 135         }
 136     }
 137     seek(IDSDATA,0,0);
 138     truncate(IDSDATA,0);
 139 }else{
 140     open(IDSDATA,">:utf8",$idsdata_file) or die;
 141     flock(IDSDATA,LOCK_EX);
 142     seek(IDSDATA,0,0);
 143 }
 144
 145 $ids_argc=0;
 146 $ids="";
 147
 148 #$geta=pack("U",0x3013);
 149 $geta=pack("U",0xfffd);
 150
 151 @GT=(#"=gt","=gt-k",
 152      "=gt-pj-1","=gt-pj-2","=gt-pj-3","=gt-pj-4","=gt-pj-5",
 153      "=gt-pj-6","=gt-pj-7","=gt-pj-8","=gt-pj-9","=gt-pj-10",
 154      "=gt-pj-11"
 155      #,"=gt-pj-k1","=gt-pj-k2"
 156      );
 157 @HZK=("=hanziku-1","=hanziku-2","=hanziku-3","=hanziku-4",
 158       "=hanziku-5","=hanziku-6","=hanziku-7","=hanziku-8",
 159       "=hanziku-9","=hanziku-10","=hanziku-11","=hanziku-12");
 160 @CDP=("=big5-cdp");
 161
 162 %order_map=('c'=>'UniCNS',
 163             'g'=>'UniGB',
 164             'j'=>'UniJIS',
 165             'k'=>'UniKS',
 166             'G'=>'GT',
 167             'H'=>'HZK',
 168             'C'=>'CDP',
 169             );
 170
 171 foreach $out_cs ('UniCNS','UniGB','UniJIS','UniKS','UniMulti'){
 172     if(defined($opt_order{$out_cs})){
 173         if($opt_order{$out_cs}=~/^[cgjkGHC]+$/){
 174             @{$order{$out_cs}}=map {$order_map{$_}}
 175             (split(//,$opt_order{$out_cs}));
 176         }else{
 177             print STDERR "Invalid order for $out_cs!\n";
 178             exit 1;
 179         }
 180     }
 181 }
 182
 183 $/="";
 184
 185 while(<>){
 186     utf8::decode($_);
 187
 188     print '{\relax{}';
 189
 190     if($in_cs ne 'ucs@mcs'){
 191         s/(.)/&get_char_in_mcs($1,$in_cs)/ge;
 192     }
 193     s/(amp.+?;)/&de_tex_er($1)/ge;
 194 #    s/(&.+?;)/&de_tex_er($1)/ge;
 195     s/([$asian])[$space]+/$1/go unless($opt_preserve_spaces);
 196     s/[$space]+([$asian])/$1/go unless($opt_preserve_spaces);
 197     s/([$asian])\s*([^$asian$space])/$1 $2/go;
 198     s/([^$asian$idc])\s*([$asian])/$1 $2/go;
 199     s/\-\-\-/pack("U",0x2014)/geo;# EM DASH
 200     s/\-\-/pack("U",0x2013)/geo;# EN DASH
 201 #    s/\`\`/pack("U",0x201f)/geo;# DOUBLE HIGH-REVERSED-9 QUOTATION MARK
 202     s/\`\`/pack("U",0x201c)/geo;# _TeX compatible_
 203 #    s/\`/pack("U",0x201b)/geo;# SINGLE HIGH-REVERSED-9 QUOTATION MARK
 204     s/\`/pack("U",0x2018)/geo;# _TeX compatible_
 205     s/\'\'/pack("U",0x201d)/geo;# RIGHT DOUBLE QUOTATION MARK
 206     s/\'/pack("U",0x2019)/geo;# RIGHT DOUBLE QUOTATION MARK
 207     @chars=split(//);
 208
 209   CHAR:
 210     for($i=0;$i<=$#chars;$i++){
 211         $char=$chars[$i];
 212         if($char_id=&get_char_attribute($char,'=ucs@unicode')){
 213             $char=pack("U",$char_id);
 214         }else{
 215             $char_id=unpack("U",$char);
 216         }
 217
 218         if($char_id<=0x20){
 219             # add quarter space between asian and non-asian.
 220             if($i>0 and $i<$#chars){
 221                 if(($chars[$i-1]=~/[$asian]/
 222                     and $chars[$i+1]=~/[^$asian]/
 223                       and $chars[$i+1]=~/[$strictly_forbidden_before$slightly_forbidden_before]/)
 224                    or($chars[$i-1]=~/[^$asian]/
 225                       and $chars[$i+1]=~/[$asian]/
 226                       and $chars[$i-1]=~/[$strictly_forbidden_after$slightly_forbidden_after]/)
 227                    ){
 228                     print '';
 229                 }elsif(($chars[$i-1]=~/[$asian]/
 230                         and $chars[$i+1]=~/[^$asian]/)){
 231                     print '\unskip\kern.25ex';
 232                 }elsif($chars[$i-1]=~/[^$asian]/
 233                        and $chars[$i+1]=~/[$asian]/){
 234                     print '\kern.25ex';
 235                 }else{
 236                     print ' ';
 237                 }
 238             }else{
 239                 print ' ';
 240             }
 241             next CHAR;
 242         }elsif(($char_id>0x20 and $char_id<=0x021f)
 243                # Basic Latin
 244                # Latin-1 Supplement
 245                # Latin Extended-A
 246                # Latin Extended-B (not all)
 247                or($char_id>=0x0250 and $char_id<=0x02af)
 248                # IPA Extensions
 249                or($char_id>=0x0300 and $char_id<=0x033f)
 250                or($char_id>=0x0360 and $char_id<=0x036f)
 251                # Combining Diacritical Marks
 252                or($char_id>=0x1e00 and $char_id<=0x1eff)
 253                # Latin Extended Additional
 254                or($char_id>=0x0370 and $char_id<=0x03ff)
 255                # Greek and Coptic
 256                or($char_id>=0x0400 and $char_id<=0x04ff)
 257                # Cyrillic
 258                or($char_id>=0x0530 and $char_id<=0x058f)
 259                # Armenian
 260                or($char_id>=0x2010 and $char_id<=0x2046)
 261                # General Punctuation (partial)
 262                ){
 263             print &latin_parse();
 264             next CHAR;
 265         }elsif($char_id>=0x2ff0 and $char_id<=0x2fff){
 266             # Ideographic Description Characters
 267             print &ids_parse();
 268             next CHAR;
 269         }else{
 270             if(($out_char=&get_output_char($char,$out_cs))){
 271                 print $out_char,&add_break($i);
 272             }else{
 273                 if($opt_allow_unify){
 274                     @chars_unified=&get_chars_unified($char);
 275                     if(@chars_unified>0){
 276                         foreach $char_unified (@chars_unified){
 277                             if(($out_char
 278                                 =&get_output_char($char_unified,$out_cs))){
 279                                 print $out_char,&add_break($i);
 280                                 next CHAR;
 281                             }
 282                         }
 283                     }
 284                 }
 285                 if($opt_use_kage_for_Ext_B){
 286                     if($char_id >= 0x20000 && $char_id <=0x2a6df){
 287                         # CJK Unified Ideographs Extension B
 288                         if(not defined($ids{$char}) and $ids{$char}[1]>=0){
 289                             $ids{$char}[0]=$font_start;
 290                             $ids{$char}[1]=$ids_start;
 291                             $ids_start++;
 292                             if($ids_start>255){
 293                                 $ids_start=0;
 294                                 $font_start++;
 295                             }
 296                         }
 297                         print "{\\fontencoding{OT1}\\fontfamily{",
 298                             sprintf("chise%03d",$ids{$char}[0]) ,
 299                                 "}\\selectfont\\char$ids{$char}[1]}",&add_break($i);
 300                         next CHAR;
 301                     }
 302                 }
 303                 if($ids=&get_ids($char)){
 304                     print &get_macro_for_ids($ids),&add_break($i);
 305                 }else{
 306                     print '\rule{1ex}{1ex}',&add_break($i);
 307                 }
 308             }
 309         }
 310     }
 311     print '}';
 312 }
 313
 314 print IDSDATA 'START',"\t",$font_start,"\t",$ids_start,"\n";
 315 foreach $ids (keys %ids){
 316     print IDSDATA $ids,"\t",join("\t",@{$ids{$ids}}),"\n";
 317 }
 318 flock(IDSDATA,LOCK_UN);
 319
 320 exit 0;
 321
 322 sub de_tex_er{
 323     my($er)=@_;
 324     my($prefix,$suffix);
 325     my($output_char,$atr,$value);
 326     $er=~/^(amp)(.*)(;)$/
 327         and $prefix=$1,$er=$2,$suffix=$3;
 328     $prefix or $prefix="",$suffix or $suffix="";
 329     if($er=~/^U[\+|\-]([a-fA-F\d]+)/){
 330         $output_char=pack("U",hex($1));
 331     }elsif($er=~/^(?:I\-)?($er_prefix_re)\-?([0-9a-fA-F]+)$/){
 332         ($atr,$value)=($1,$2);
 333         unless($er_alias{$atr}=~/daikanwa|gt/){
 334             $value=hex($value);
 335         }
 336         ($output_char)=&get_chars_matching($er_alias{$atr},$value);
 337     }
 338     if($output_char){
 339         return $output_char;
 340     }else{
 341         return $prefix.$er.$suffix;
 342     }
 343 }
 344
 345 sub add_break{
 346     my($i)=@_;
 347
 348     if($i<($#chars-1)){
 349         if(($chars[$i+1]=~m/[$strictly_forbidden_before]/o)
 350            and($chars[$i+2]=~m/[$strictly_forbidden_before]/o)){
 351             return "\\CJKunbreakablekernone{}";
 352         }elsif($opt_protrude){
 353             if(($chars[$i+1]=~m/[$strictly_forbidden_before]/o)
 354                and($chars[$i+2]=~m/[^$strictly_forbidden_before]/o)){
 355                 return "\\CJKunbreakablekernone \\CJKprotrude{}";
 356             }
 357         }
 358     }
 359     if(($i<$#chars)
 360        and($chars[$i+1]eq" ")){
 361        # preserve space.
 362         return "";
 363     }
 364     if(($i<$#chars)
 365        and($chars[$i+1]=~m/[$strictly_forbidden_before]/o)){
 366         return "\\CJKunbreakablekernone{}";
 367     }
 368     if($chars[$i]=~m/[$strictly_forbidden_after]/o){
 369         return "\\CJKunbreakablekernone{}";
 370     }
 371     if(($i<$#chars)
 372        and($chars[$i+1]=~m/[$forbidden_before]/o)){
 373         return "\\CJKunbreakablekerntwo{}";
 374
 375     }
 376     if($chars[$i]=~m/[$forbidden_after]/o){
 377         return "\\CJKunbreakablekerntwo{}";
 378     }
 379     if(($i<$#chars)
 380        and($chars[$i+1]=~m/[$slightly_forbidden_before]/o)){
 381         return "\\CJKunbreakablekernthree{}";
 382     }
 383     if($chars[$i]=~m/[$slightly_forbidden_after]/o){
 384         return "\\CJKunbreakablekernthree{}";
 385     }
 386     if($chars[$i]=~m/[$asian]/o){
 387         return "\\CJKbreakablekern{}";
 388     }
 389     if(($i<$#chars)and($chars[$i+1]=~m/[$asian]/o)){
 390         return "\\CJKbreakablekern{}";
 391     }
 392 }
 393
 394 sub latin_parse{
 395     # arguments: none
 396     # return: string for output with TeX macro.
 397     my($char_id);
 398     my $out_str="";
 399     while($i<=$#chars){
 400         $char_id=unpack("U",$chars[$i]);
 401         if($chars[$i]=~m/($tex_meta_re)/o){
 402             $out_str.=$tex_meta{$chars[$i]};
 403         }elsif(($char_id>0x20 and $char_id<=0x021f)
 404            or($char_id>=0x0250 and $char_id<=0x02af)# IPA Extensions
 405            or($char_id>=0x0300 and $char_id<=0x033f)# Combining Diacritical Marks
 406            or($char_id>=0x0360 and $char_id<=0x036f)
 407            or($char_id>=0x0370 and $char_id<=0x03ff)# Greek and Coptic
 408            or($char_id>=0x0400 and $char_id<=0x04ff)# Cyrillic
 409            or($char_id>=0x0530 and $char_id<=0x058f)# Armenian
 410            ){
 411             $out_str.=$chars[$i];
 412         }elsif($char_id>=0x1e00 and $char_id<=0x1eff){
 413             # Latin Extended Additional
 414             # 0x1e00 -> 0x0600, etc.
 415             $out_str.=pack("U",$char_id-0x1800);
 416         }elsif($char_id>=0x2010 and $char_id<=0x2046){
 417             # General Punctuation (partial)
 418             $out_str.=pack("U",$char_id-0x1000);
 419         }else{
 420             $i--;
 421             last;
 422         }
 423         $i++;
 424     }
 425     return '{\fontencoding{OT1}\fontfamily{omlgc}\selectfont '.$out_str.'}';###UT1?
 426 }
 427
 428 sub ids_parse{
 429     # arguments: none
 430     # return: character for output,
 431     #          TeX macro for ids,
 432     #          or GETA character if ids is invalid.
 433     my($ids,$ids_argc)=&ids_rest("",0,$chars[$i]);
 434
 435     while($ids_argc>0){
 436         # We are in IDS.
 437         $i++;
 438         if($i>$#chars){
 439             print STDERR "IDS parse error: $ids\n";
 440             return $geta;
 441         }
 442
 443         ($ids,$ids_argc)=&ids_rest($ids,$ids_argc,$chars[$i]);
 444         if($ids_argc==0){
 445             if(($char=&get_char_for_ids($ids))
 446                and($out_char=&get_output_char($char,$out_cs))){
 447                 return $out_char;
 448             }else{
 449                 return &get_macro_for_ids($ids);
 450             }
 451         }
 452     }
 453 }
 454
 455 sub ids_rest{
 456     # arguments: <ids>, <rest number of arguments for ids>, <character>
 457     # return: ids and rest number of arguments for ids.
 458     my($ids,$ids_argc,$char)=@_;
 459     my($argc);
 460     $argc=&ids_argc($char);
 461     if($argc){
 462         $ids_argc+=$ids_argc==0?$argc:$argc-1;
 463     }else{
 464         $ids_argc--;
 465     }
 466     $ids.=$char;
 467     return ($ids,$ids_argc);
 468 }
 469
 470 sub get_macro_for_ids{
 471     # argument: <ids>
 472     # return: TeX macro for ids
 473     #          or GETA character if ids is invalid for KAGE.
 474     my($ids)=@_;
 475     # $ids=&normalize_ids($ids,"UniJIS");
 476     return $geta if(($ids!~/[$idc]/)
 477                     or($ids=~/[\x{10000}-]/));
 478                     #irregular for KAGE.
 479     if(not defined($ids{$ids})){
 480         $ids{$ids}[0]=$font_start;
 481         $ids{$ids}[1]=$ids_start;
 482         $ids_start++;
 483     }
 484     if($ids_start>255){
 485         $ids_start=0;
 486         $font_start++;
 487     }
 488     return "{\\fontencoding{OT1}\\fontfamily{"
 489         .sprintf("chise%03d",$ids{$ids}[0])
 490         ."}\\selectfont\\char$ids{$ids}[1]}\\relax{}";
 491 }
 492
 493 sub normalize_ids{
 494     # argument: <ids>, <output coding system>
 495     # return: ids or GETA character if ids is invalid for KAGE.
 496     my($ids,$out_cs)=@_;
 497     $out_cs=~s/Uni(.+)/'ucs@'.lc($1)/e;
 498
 499     my $output_ids="";
 500     my($char,$output_char_id);
 501     while($ids=~m/(.)/g){
 502         $char=$1;
 503         if($char=~/[$idc]/){
 504             $output_ids.=$char;
 505         }elsif($output_char_id=&get_char_attribute($char,"=$out_cs")
 506            or $output_char_id=&get_char_attribute($char,"=ucs")
 507            or $output_char_id=&get_char_attribute($char,"=>$out_cs")
 508            or $output_char_id=&get_char_attribute($char,"=>ucs")
 509            or $output_char_id=&get_char_attribute($char,"=>ucs*")
 510               ){
 511             $output_ids.=pack("U",$output_char_id);
 512         }else{
 513             return $geta;
 514         }
 515     }
 516     return $output_ids;
 517 }
 518
 519 sub get_output_char{
 520     # argument: <char>
 521     # return: character in output coding system or TeX macro or undef.
 522     my($char,$out_cs)=@_;
 523     my($out_char_id,$suffix);
 524     my($gt,$hzk,$cdp);
 525
 526     foreach $out_cs (@{$order{$out_cs}}){
 527         if($out_cs eq 'UniJIS'
 528            and &get_char_attribute($char,"vnd-adobe-cid-unijis-utf16-h")){
 529             if($out_char_id=&get_char_attribute($char,'=ucs@jis')
 530                or $out_char_id=&get_char_attribute($char,'=ucs')
 531                or $out_char_id=&get_char_attribute($char,'=>ucs@jis')
 532                or $out_char_id=&get_char_attribute($char,'=>ucs')
 533                or $out_char_id=&get_char_attribute($char,'=>ucs*')
 534                ){
 535                 return "{\\selectjisfont\\char$out_char_id}";
 536             }
 537         }elsif($out_cs eq 'UniGB'
 538                and &get_char_attribute($char,"vnd-adobe-cid-unigb-ucs2-h")){
 539             if($out_char_id=&get_char_attribute($char,'=ucs@gb')
 540                or $out_char_id=&get_char_attribute($char,'=ucs')
 541                or $out_char_id=&get_char_attribute($char,'=>ucs@gb')
 542                or $out_char_id=&get_char_attribute($char,'=>ucs')
 543                or $out_char_id=&get_char_attribute($char,'=>ucs*')
 544                ){
 545                 return "{\\selectgbsfont\\char$out_char_id}";
 546             }
 547         }elsif($out_cs eq 'UniCNS'
 548                and &get_char_attribute($char,"vnd-adobe-cid-unicns-ucs2-h")){
 549             if($out_char_id=&get_char_attribute($char,'=ucs@cns')
 550                or $out_char_id=&get_char_attribute($char,'=ucs')
 551                or $out_char_id=&get_char_attribute($char,'=>ucs@cns')
 552                or $out_char_id=&get_char_attribute($char,'=>ucs')
 553                or $out_char_id=&get_char_attribute($char,'=>ucs*')
 554                ){
 555                 return "{\\selectcnsfont\\char$out_char_id}";
 556             }
 557         }elsif($out_cs eq 'UniKS'
 558                and &get_char_attribute($char,"vnd-adobe-cid-uniks-ucs2-h")){
 559             if($out_char_id=&get_char_attribute($char,'=ucs@ks')
 560                or $out_char_id=&get_char_attribute($char,'=ucs')
 561                or $out_char_id=&get_char_attribute($char,'=>ucs@ks')
 562                or $out_char_id=&get_char_attribute($char,'=>ucs')
 563                or $out_char_id=&get_char_attribute($char,'=>ucs*')
 564                ){
 565                 return "{\\selectksxfont\\char$out_char_id}";
 566             }
 567         }elsif($out_cs eq 'GT'){
 568             return $gt if($gt=&get_macro_for_GT($char));
 569         }elsif($out_cs eq 'HZK'){
 570             return $hzk if($hzk=&get_macro_for_HZK($char));
 571         }elsif($out_cs eq 'CDP'){
 572             return $cdp if($cdp=&get_macro_for_CDP($char));
 573         }
 574     }
 575     return undef;
 576 }
 577
 578 sub get_ids{
 579     # argument: <character>
 580     # return: ids
 581     my($char)=@_;
 582     my $ids="";
 583 #    $ids=&get_char_attribute($char,"ids-aggregated")
 584 #       or $ids=&get_char_attribute($char,"ids");
 585     $ids=&get_char_attribute($char,"ids-decomposed")
 586         or $ids=&get_char_attribute($char,"ids")
 587           or $ids=&get_char_attribute($char,"ideographic-structure");
 588     $ids=~s/[? ()]//g;
 589     return $ids;
 590 }
 591
 592 sub get_char_for_ids{
 593     # argument: <ideographic description sequence>
 594     # return: char or undef.
 595     my($ids)=@_;
 596     my($output_char);
 597
 598     if(($output_char)=&get_chars_matching("ids",$ids)){
 599         return $output_char;
 600     }else{
 601         return undef;
 602     }
 603 }
 604
 605 sub get_char_in_mcs{
 606     # argument: <char>, <input coding system>
 607     # return:   char in ucs@mcs.
 608     my($char,$in_cs)=@_;
 609     my($output_char);
 610
 611     return $char if($in_cs eq 'ucs@mcs');
 612
 613     if(($output_char)=&get_chars_matching("=$in_cs",unpack("U",$char))){
 614         return $output_char;
 615     }else{
 616         return $char;
 617     }
 618 }
 619
 620 sub get_chars_unified{
 621     my($char)=@_;
 622     my($chars,$ucs,$char_ucs,$char_sub);
 623     my(@chars);
 624
 625     if($chars=&get_char_attribute($char,'->ucs-unified')){
 626         $chars=~s/^\((.*)\)$/$1/;
 627         return (split(/\s*\?/,$chars));
 628     }elsif($ucs=&get_char_attribute($char,'=>ucs*')
 629            or $ucs=&get_char_attribute($char,'=>ucs')){
 630         $char_ucs=pack("U",$ucs);
 631         if($chars=&get_char_attribute($char_ucs,'->ucs-unified')){
 632             $chars=~s/^\((.*)\)$/$1/;
 633             @chars=grep {not /^$char$/}
 634                 (split(/\s*\?/,$chars));
 635             push(@chars,$char_ucs);
 636             return @chars;
 637         }
 638     }elsif($char_sub=&get_char_attribute($char,'<-subsumptive')){
 639         $char_sub=~s/[? ()]//g;
 640         $chars=&get_char_attribute($char_sub,'->subsumptive');
 641         @chars=grep {not /^$char$/} (split(/\s*\?/,$chars));
 642         push(@chars,$char_sub);
 643         return @chars;
 644     }else{
 645         return ();
 646     }
 647 }
 648
 649 sub get_macro_for_GT{
 650     # argument: <char>
 651     # return: TeX macro for GT fonts or undef.
 652     my($char)=@_;
 653     my($gt,$GT);
 654     foreach (@GT){
 655         if($gt=&get_char_attribute($char,$_)){
 656             m/gt\-pj\-(\d+)/ and $GT=$1;
 657             last;
 658         }
 659     }
 660     if($gt){
 661         return "{\\fontencoding{OT1}\\fontfamily{"
 662             .sprintf("gt%02d",$GT)
 663             ."}\\selectfont\\char".($gt|0x8080)."}";
 664     }else{
 665         return undef;
 666     }
 667 }
 668
 669 sub get_macro_for_HZK{
 670     # argument: <char>
 671     # return: TeX macro for Hanziku fonts or undef.
 672     my($char)=@_;
 673     my($hzk,$HZK);
 674     foreach (@HZK){
 675         if($hzk=&get_char_attribute($char,$_)){
 676             m/hanziku\-(\d+)/ and $HZK=$1;
 677             last;
 678         }
 679     }
 680     if($hzk){
 681         return "{\\fontencoding{OT1}\\fontfamily{"
 682             .sprintf("hzk%02d",$HZK)
 683             ."}\\selectfont\\char".$hzk."}";
 684     }else{
 685         return undef;
 686     }
 687 }
 688
 689 sub get_macro_for_CDP{
 690     # argument: <char>
 691     # return: TeX macro for CDP fonts or undef.
 692     my($char)=@_;
 693     my($cdp,$ucs);
 694     foreach (@CDP){
 695         if($cdp=&get_char_attribute($char,$_)){
 696             last;
 697         }
 698     }
 699     if($cdp){
 700         $ucs=&get_char_attribute(&get_chars_matching("=big5-pua",$cdp),"=ucs");
 701         if($ucs){
 702             return "{\\fontencoding{OT1}\\fontfamily{cdp}\\selectfont\\char$ucs}";
 703         }else{
 704             print STDERR "This should not happen.\n";
 705             print STDERR "ucs code point of CDP: $cdp not found.\n";
 706         }
 707     }else{
 708         return undef;
 709     }
 710 }