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/*
* KANJI Code conversion routines.
* (for upTeX and e-upTeX)
*/
#include "kanji.h"
#define CS_TOKEN_FLAG 0x1FFFFFFF
#define CJK_CHAR_LIMIT 0x1000000
#define CJK_TOKEN_FLAG 0xFFFFFF
#define KCAT_KANJI 16
#define KCAT_HANGUL 19
#if !defined(WIN32)
int sjisterminal;
#endif
/* TOKEN */
boolean check_kanji (integer c)
{
if (c > CS_TOKEN_FLAG) return false;
else if (!(XXHi(c)>=KCAT_KANJI && XXHi(c)<=KCAT_HANGUL)) return false;
else return is_char_kanji(c);
}
boolean is_char_ascii(integer c)
{
return (0 <= c && c < 0x100);
}
boolean is_char_kanji(integer c)
{
if (is_internalUPTEX())
return (c>=0&&(c & CJK_TOKEN_FLAG) < CJK_CHAR_LIMIT);
else
return iskanji1(Hi(c)) && iskanji2(Lo(c));
}
boolean ismultiprn(integer c)
{
int i, j;
for (i=2; i<=4; i++) for (j=1; j<=i; j++) {
if (ismultichr(i,j,c)) return true;
}
return false;
}
integer calc_pos(integer c)
{
unsigned char c1, c2;
if(c>=0 && c<=255) return(c);
c1 = Hi(c);
c2 = Lo(c);
c1 = (c1 % 4) * 64; /* c1 = 0, 64, 128, 192 */
c2 = c2 % 64; /* c2 = 0..63 */
return(c1 + c2); /* ret = 0..255 */
}
/* Ref. http://www.unicode.org/Public/UNIDATA/Blocks.txt */
/* # Blocks-6.0.0.txt */
/* # Date: 2010-06-04, 11:12:00 PDT [KW] */
static long ucs_range[]={
0x0000, /* Basic Latin 0x00 */
0x0080, /* Latin-1 Supplement 0x01 */
0x0100, /* Latin Extended-A 0x02 */
0x0180, /* Latin Extended-B 0x03 */
0x0250, /* IPA Extensions 0x04 */
0x02B0, /* Spacing Modifier Letters 0x05 */
0x0300, /* Combining Diacritical Marks 0x06 */
0x0370, /* Greek and Coptic 0x07 */
0x0400, /* Cyrillic 0x08 */
0x0500, /* Cyrillic Supplement 0x09 */
0x0530, /* Armenian 0x0a */
0x0590, /* Hebrew 0x0b */
0x0600, /* Arabic 0x0c */
0x0700, /* Syriac 0x0d */
0x0750, /* Arabic Supplement 0x0e */
0x0780, /* Thaana 0x0f */
0x07C0, /* NKo 0x10 */
0x0800, /* Samaritan 0x11 */
0x0840, /* Mandaic 0x12 */
0x0900, /* Devanagari 0x13 */
0x0980, /* Bengali 0x14 */
0x0A00, /* Gurmukhi 0x15 */
0x0A80, /* Gujarati 0x16 */
0x0B00, /* Oriya 0x17 */
0x0B80, /* Tamil 0x18 */
0x0C00, /* Telugu 0x19 */
0x0C80, /* Kannada 0x1a */
0x0D00, /* Malayalam 0x1b */
0x0D80, /* Sinhala 0x1c */
0x0E00, /* Thai 0x1d */
0x0E80, /* Lao 0x1e */
0x0F00, /* Tibetan 0x1f */
0x1000, /* Myanmar 0x20 */
0x10A0, /* Georgian 0x21 */
0x1100, /* Hangul Jamo 0x22 */
0x1200, /* Ethiopic 0x23 */
0x1380, /* Ethiopic Supplement 0x24 */
0x13A0, /* Cherokee 0x25 */
0x1400, /* Unified Canadian Aboriginal Syllabics 0x26 */
0x1680, /* Ogham 0x27 */
0x16A0, /* Runic 0x28 */
0x1700, /* Tagalog 0x29 */
0x1720, /* Hanunoo 0x2a */
0x1740, /* Buhid 0x2b */
0x1760, /* Tagbanwa 0x2c */
0x1780, /* Khmer 0x2d */
0x1800, /* Mongolian 0x2e */
0x18B0, /* Unified Canadian Aboriginal Syllabics Extended 0x2f */
0x1900, /* Limbu 0x30 */
0x1950, /* Tai Le 0x31 */
0x1980, /* New Tai Lue 0x32 */
0x19E0, /* Khmer Symbols 0x33 */
0x1A00, /* Buginese 0x34 */
0x1A20, /* Tai Tham 0x35 */
0x1B00, /* Balinese 0x36 */
0x1B80, /* Sundanese 0x37 */
0x1BC0, /* Batak 0x38 */
0x1C00, /* Lepcha 0x39 */
0x1C50, /* Ol Chiki 0x3a */
0x1CD0, /* Vedic Extensions 0x3b */
0x1D00, /* Phonetic Extensions 0x3c */
0x1D80, /* Phonetic Extensions Supplement 0x3d */
0x1DC0, /* Combining Diacritical Marks Supplement 0x3e */
0x1E00, /* Latin Extended Additional 0x3f */
0x1F00, /* Greek Extended 0x40 */
0x2000, /* General Punctuation 0x41 */
0x2070, /* Superscripts and Subscripts 0x42 */
0x20A0, /* Currency Symbols 0x43 */
0x20D0, /* Combining Diacritical Marks for Symbols 0x44 */
0x2100, /* Letterlike Symbols 0x45 */
0x2150, /* Number Forms 0x46 */
0x2190, /* Arrows 0x47 */
0x2200, /* Mathematical Operators 0x48 */
0x2300, /* Miscellaneous Technical 0x49 */
0x2400, /* Control Pictures 0x4a */
0x2440, /* Optical Character Recognition 0x4b */
0x2460, /* Enclosed Alphanumerics 0x4c */
0x2500, /* Box Drawing 0x4d */
0x2580, /* Block Elements 0x4e */
0x25A0, /* Geometric Shapes 0x4f */
0x2600, /* Miscellaneous Symbols 0x50 */
0x2700, /* Dingbats 0x51 */
0x27C0, /* Miscellaneous Mathematical Symbols-A 0x52 */
0x27F0, /* Supplemental Arrows-A 0x53 */
0x2800, /* Braille Patterns 0x54 */
0x2900, /* Supplemental Arrows-B 0x55 */
0x2980, /* Miscellaneous Mathematical Symbols-B 0x56 */
0x2A00, /* Supplemental Mathematical Operators 0x57 */
0x2B00, /* Miscellaneous Symbols and Arrows 0x58 */
0x2C00, /* Glagolitic 0x59 */
0x2C60, /* Latin Extended-C 0x5a */
0x2C80, /* Coptic 0x5b */
0x2D00, /* Georgian Supplement 0x5c */
0x2D30, /* Tifinagh 0x5d */
0x2D80, /* Ethiopic Extended 0x5e */
0x2DE0, /* Cyrillic Extended-A 0x5f */
0x2E00, /* Supplemental Punctuation 0x60 */
0x2E80, /* CJK Radicals Supplement 0x61 */
0x2F00, /* Kangxi Radicals 0x62 */
0x2FF0, /* Ideographic Description Characters 0x63 */
0x3000, /* CJK Symbols and Punctuation 0x64 */
0x3040, /* Hiragana 0x65 */
0x30A0, /* Katakana 0x66 */
0x3100, /* Bopomofo 0x67 */
0x3130, /* Hangul Compatibility Jamo 0x68 */
0x3190, /* Kanbun 0x69 */
0x31A0, /* Bopomofo Extended 0x6a */
0x31C0, /* CJK Strokes 0x6b */
0x31F0, /* Katakana Phonetic Extensions 0x6c */
0x3200, /* Enclosed CJK Letters and Months 0x6d */
0x3300, /* CJK Compatibility 0x6e */
0x3400, /* CJK Unified Ideographs Extension A 0x6f */
0x4DC0, /* Yijing Hexagram Symbols 0x70 */
0x4E00, /* CJK Unified Ideographs 0x71 */
0xA000, /* Yi Syllables 0x72 */
0xA490, /* Yi Radicals 0x73 */
0xA4D0, /* Lisu 0x74 */
0xA500, /* Vai 0x75 */
0xA640, /* Cyrillic Extended-B 0x76 */
0xA6A0, /* Bamum 0x77 */
0xA700, /* Modifier Tone Letters 0x78 */
0xA720, /* Latin Extended-D 0x79 */
0xA800, /* Syloti Nagri 0x7a */
0xA830, /* Common Indic Number Forms 0x7b */
0xA840, /* Phags-pa 0x7c */
0xA880, /* Saurashtra 0x7d */
0xA8E0, /* Devanagari Extended 0x7e */
0xA900, /* Kayah Li 0x7f */
0xA930, /* Rejang 0x80 */
0xA960, /* Hangul Jamo Extended-A 0x81 */
0xA980, /* Javanese 0x82 */
0xAA00, /* Cham 0x83 */
0xAA60, /* Myanmar Extended-A 0x84 */
0xAA80, /* Tai Viet 0x85 */
0xAB00, /* Ethiopic Extended-A 0x86 */
0xABC0, /* Meetei Mayek 0x87 */
0xAC00, /* Hangul Syllables 0x88 */
0xD7B0, /* Hangul Jamo Extended-B 0x89 */
0xD800, /* High Surrogates 0x8a */
0xDB80, /* High Private Use Surrogates 0x8b */
0xDC00, /* Low Surrogates 0x8c */
0xE000, /* Private Use Area 0x8d */
0xF900, /* CJK Compatibility Ideographs 0x8e */
0xFB00, /* Alphabetic Presentation Forms 0x8f */
0xFB50, /* Arabic Presentation Forms-A 0x90 */
0xFE00, /* Variation Selectors 0x91 */
0xFE10, /* Vertical Forms 0x92 */
0xFE20, /* Combining Half Marks 0x93 */
0xFE30, /* CJK Compatibility Forms 0x94 */
0xFE50, /* Small Form Variants 0x95 */
0xFE70, /* Arabic Presentation Forms-B 0x96 */
0xFF00, /* Halfwidth and Fullwidth Forms 0x97 */
0xFFF0, /* Specials 0x98 */
0x10000, /* Linear B Syllabary 0x99 */
0x10080, /* Linear B Ideograms 0x9a */
0x10100, /* Aegean Numbers 0x9b */
0x10140, /* Ancient Greek Numbers 0x9c */
0x10190, /* Ancient Symbols 0x9d */
0x101D0, /* Phaistos Disc 0x9e */
0x10280, /* Lycian 0x9f */
0x102A0, /* Carian 0xa0 */
0x10300, /* Old Italic 0xa1 */
0x10330, /* Gothic 0xa2 */
0x10380, /* Ugaritic 0xa3 */
0x103A0, /* Old Persian 0xa4 */
0x10400, /* Deseret 0xa5 */
0x10450, /* Shavian 0xa6 */
0x10480, /* Osmanya 0xa7 */
0x10800, /* Cypriot Syllabary 0xa8 */
0x10840, /* Imperial Aramaic 0xa9 */
0x10900, /* Phoenician 0xaa */
0x10920, /* Lydian 0xab */
0x10A00, /* Kharoshthi 0xac */
0x10A60, /* Old South Arabian 0xad */
0x10B00, /* Avestan 0xae */
0x10B40, /* Inscriptional Parthian 0xaf */
0x10B60, /* Inscriptional Pahlavi 0xb0 */
0x10C00, /* Old Turkic 0xb1 */
0x10E60, /* Rumi Numeral Symbols 0xb2 */
0x11000, /* Brahmi 0xb3 */
0x11080, /* Kaithi 0xb4 */
0x12000, /* Cuneiform 0xb5 */
0x12400, /* Cuneiform Numbers and Punctuation 0xb6 */
0x13000, /* Egyptian Hieroglyphs 0xb7 */
0x16800, /* Bamum Supplement 0xb8 */
0x1B000, /* Kana Supplement 0xb9 */
0x1D000, /* Byzantine Musical Symbols 0xba */
0x1D100, /* Musical Symbols 0xbb */
0x1D200, /* Ancient Greek Musical Notation 0xbc */
0x1D300, /* Tai Xuan Jing Symbols 0xbd */
0x1D360, /* Counting Rod Numerals 0xbe */
0x1D400, /* Mathematical Alphanumeric Symbols 0xbf */
0x1F000, /* Mahjong Tiles 0xc0 */
0x1F030, /* Domino Tiles 0xc1 */
0x1F0A0, /* Playing Cards 0xc2 */
0x1F100, /* Enclosed Alphanumeric Supplement 0xc3 */
0x1F200, /* Enclosed Ideographic Supplement 0xc4 */
0x1F300, /* Miscellaneous Symbols And Pictographs 0xc5 */
0x1F600, /* Emoticons 0xc6 */
0x1F680, /* Transport And Map Symbols 0xc7 */
0x1F700, /* Alchemical Symbols 0xc8 */
0x20000, /* CJK Unified Ideographs Extension B 0xc9 */
0x2A700, /* CJK Unified Ideographs Extension C 0xca */
0x2B740, /* CJK Unified Ideographs Extension D 0xcb */
0x2F800, /* CJK Compatibility Ideographs Supplement 0xcc */
0x30000, /* reserved 0xcd */
0x40000, /* reserved 0xce */
0x50000, /* reserved 0xcf */
0x60000, /* reserved 0xd0 */
0x70000, /* reserved 0xd1 */
0x80000, /* reserved 0xd2 */
0x90000, /* reserved 0xd3 */
0xA0000, /* reserved 0xd4 */
0xB0000, /* reserved 0xd5 */
0xC0000, /* reserved 0xd6 */
0xD0000, /* reserved 0xd7 */
0xE0000, /* Tags 0xd8 */
0xE0100, /* Variation Selectors Supplement 0xd9 */
0xF0000, /* Supplementary Private Use Area-A 0xda */
0x100000, /* Supplementary Private Use Area-B 0xdb */
/* Value over 0x10FFFF is illegal under Unicode,
They are for some special use. *** experimental *** */
0x110000, /* Reserved 0xdc */
0x120000, /* Reserved 0xdd */
0x130000, /* Reserved 0xde */
0x140000, /* Reserved 0xdf */
0x150000, /* Reserved 0xe0 */
0x160000, /* Reserved 0xe1 */
0x170000, /* Reserved 0xe2 */
0x180000, /* Reserved 0xe3 */
0x190000, /* Reserved 0xe4 */
0x1A0000, /* Reserved 0xe5 */
0x1B0000, /* Reserved 0xe6 */
0x1C0000, /* Reserved 0xe7 */
0x1D0000, /* Reserved 0xe8 */
0x1E0000, /* Reserved 0xe9 */
0x1F0000, /* Reserved 0xea */
0x200000, /* Reserved 0xeb */
0x210000, /* Reserved 0xec */
0x220000, /* Reserved 0xed */
CJK_CHAR_LIMIT
};
#define NUCS_RANGE (sizeof(ucs_range)/sizeof(ucs_range[0]))
/* Return i, which satisfies a[i] <= x < a[i+1]. */
/* 'i' is serached between left <= i <= right. */
/* If no i satisfies such condition, return left-1. */
/* [Okumura et al.] An algorithm encyclopedia in Java, p.236. */
static int
binary_search (long x, long *a, int left, int right)
{
right++;
while (left < right) {
int mid = (left + right) / 2;
if (a[mid] <= x ) left = mid + 1;
else right = mid;
}
return left - 1;
}
#define FULLWIDTH_DIGIT_0 0xFF10
#define FULLWIDTH_DIGIT_9 0xFF19
#define FULLWIDTH_CAPITAL_A 0xFF21
#define FULLWIDTH_CAPITAL_Z 0xFF3A
#define FULLWIDTH_SMALL_A 0xFF41
#define FULLWIDTH_SMALL_Z 0xFF5A
#define HALFWIDTH_KATAKANA_WO 0xFF66
#define HALFWIDTH_KATAKANA_SMALL_TSU 0xFF6F
#define HALFWIDTH_KATAKANA_A 0xFF71
#define HALFWIDTH_KATAKANA_N 0xFF9D
integer kcatcodekey(integer c)
{
if (is_internalUPTEX()) {
if ( (FULLWIDTH_DIGIT_0 <=c && c<=FULLWIDTH_DIGIT_9 )
|| (FULLWIDTH_CAPITAL_A<=c && c<=FULLWIDTH_CAPITAL_Z)
|| (FULLWIDTH_SMALL_A <=c && c<=FULLWIDTH_SMALL_Z ) )
return 0xFE;
if ( (HALFWIDTH_KATAKANA_WO <=c && c<=HALFWIDTH_KATAKANA_SMALL_TSU )
|| (HALFWIDTH_KATAKANA_A <=c && c<=HALFWIDTH_KATAKANA_N ) )
return 0xFF;
return binary_search((long)c, ucs_range, 0, NUCS_RANGE-1);
} else {
return Hi(toDVI(c));
}
}
integer multilenbuffchar(integer c)
{
c=toBUFF(c);
if (BYTE1(c)) return 4;
if (BYTE2(c)) return 3;
if (BYTE3(c)) return 2;
if (BYTE4(c)) return 1;
return 0;
}
void init_kanji (const_string file_str, const_string internal_str)
{
if (!set_enc_string (file_str, internal_str)) {
fprintf (stderr, "Bad kanji encoding \"%s\" or \"%s\".\n",
file_str ? file_str : "NULL",
internal_str ? internal_str : "NULL");
uexit(1);
}
}
void init_default_kanji (const_string file_str, const_string internal_str)
{
char *p;
enable_UPTEX (true); /* enable */
p = getenv ("PTEX_KANJI_ENC");
if (p) {
if (!set_enc_string (p, NULL))
fprintf (stderr, "Ignoring bad kanji encoding \"%s\".\n", p);
}
#ifdef WIN32
p = kpse_var_value ("guess_input_kanji_encoding");
if (p) {
if (*p == '1' || *p == 'y' || *p == 't')
infile_enc_auto = 1;
free(p);
}
#endif
init_kanji (file_str, internal_str);
}
|