ref: 37e0d4ab29c8483aab727b76effaec009b650153
dir: /sys/src/cmd/aux/antiword/chartrans.c/
/*
* chartrans.c
* Copyright (C) 1999-2004 A.J. van Os; Released under GNU GPL
*
* Description:
* Translate Word characters to local representation
*/
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#if defined(__STDC_ISO_10646__)
#include <wctype.h>
#endif /* __STDC_ISO_10646__ */
#include "antiword.h"
static const USHORT usCp850[] = { /* DOS implementation of Latin1 */
0x00c7, 0x00fc, 0x00e9, 0x00e2, 0x00e4, 0x00e0, 0x00e5, 0x00e7,
0x00ea, 0x00eb, 0x00e8, 0x00ef, 0x00ee, 0x00ec, 0x00c4, 0x00c5,
0x00c9, 0x00e6, 0x00c6, 0x00f4, 0x00f6, 0x00f2, 0x00fb, 0x00f9,
0x00ff, 0x00d6, 0x00dc, 0x00f8, 0x00a3, 0x00d8, 0x00d7, 0x0192,
0x00e1, 0x00ed, 0x00f3, 0x00fa, 0x00f1, 0x00d1, 0x00aa, 0x00ba,
0x00bf, 0x00ae, 0x00ac, 0x00bd, 0x00bc, 0x00a1, 0x00ab, 0x00bb,
0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00c1, 0x00c2, 0x00c0,
0x00a9, 0x2563, 0x2551, 0x2557, 0x255d, 0x00a2, 0x00a5, 0x2510,
0x2514, 0x2534, 0x252c, 0x251c, 0x2500, 0x253c, 0x00e3, 0x00c3,
0x255a, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256c, 0x00a4,
0x00f0, 0x00d0, 0x00ca, 0x00cb, 0x00c8, 0x0131, 0x00cd, 0x00ce,
0x00cf, 0x2518, 0x250c, 0x2588, 0x2584, 0x00a6, 0x00cc, 0x2580,
0x00d3, 0x00df, 0x00d4, 0x00d2, 0x00f5, 0x00d5, 0x00b5, 0x00fe,
0x00de, 0x00da, 0x00db, 0x00d9, 0x00fd, 0x00dd, 0x00af, 0x00b4,
0x00ad, 0x00b1, 0x2017, 0x00be, 0x00b6, 0x00a7, 0x00f7, 0x00b8,
0x00b0, 0x00a8, 0x00b7, 0x00b9, 0x00b3, 0x00b2, 0x25a0, 0x00a0,
};
static const USHORT usCp1250[] = { /* Windows implementation of Latin2 */
0x20ac, 0x003f, 0x201a, 0x003f, 0x201e, 0x2026, 0x2020, 0x2021,
0x003f, 0x2030, 0x0160, 0x2039, 0x015a, 0x0164, 0x017d, 0x0179,
0x003f, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
0x003f, 0x2122, 0x0161, 0x203a, 0x015b, 0x0165, 0x017e, 0x017a,
0x00a0, 0x02c7, 0x02d8, 0x0141, 0x00a4, 0x0104, 0x00a6, 0x00a7,
0x00a8, 0x00a9, 0x015e, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x017b,
0x00b0, 0x00b1, 0x02db, 0x0142, 0x00b4, 0x00b5, 0x00b6, 0x00b7,
0x00b8, 0x0105, 0x015f, 0x00bb, 0x013d, 0x02dd, 0x013e, 0x017c,
0x0154, 0x00c1, 0x00c2, 0x0102, 0x00c4, 0x0139, 0x0106, 0x00c7,
0x010c, 0x00c9, 0x0118, 0x00cb, 0x011a, 0x00cd, 0x00ce, 0x010e,
0x0110, 0x0143, 0x0147, 0x00d3, 0x00d4, 0x0150, 0x00d6, 0x00d7,
0x0158, 0x016e, 0x00da, 0x0170, 0x00dc, 0x00dd, 0x0162, 0x00df,
0x0155, 0x00e1, 0x00e2, 0x0103, 0x00e4, 0x013a, 0x0107, 0x00e7,
0x010d, 0x00e9, 0x0119, 0x00eb, 0x011b, 0x00ed, 0x00ee, 0x010f,
0x0111, 0x0144, 0x0148, 0x00f3, 0x00f4, 0x0151, 0x00f6, 0x00f7,
0x0159, 0x016f, 0x00fa, 0x0171, 0x00fc, 0x00fd, 0x0163, 0x02d9,
};
static const USHORT usCp1251[] = { /* Windows implementation of Cyrillic */
0x0402, 0x0403, 0x201a, 0x0453, 0x201e, 0x2026, 0x2020, 0x2021,
0x20ac, 0x2030, 0x0409, 0x2039, 0x040a, 0x040c, 0x040b, 0x040f,
0x0452, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
0x00f3, 0x2122, 0x0459, 0x203a, 0x045a, 0x045c, 0x045b, 0x045f,
0x00a0, 0x040e, 0x045e, 0x0408, 0x00a4, 0x0490, 0x00a6, 0x00a7,
0x0401, 0x00a9, 0x0404, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x0407,
0x00b0, 0x00b1, 0x0406, 0x0456, 0x0491, 0x00b5, 0x00b6, 0x00b7,
0x0451, 0x2116, 0x0454, 0x00bb, 0x0458, 0x0405, 0x0455, 0x0457,
0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417,
0x0418, 0x0419, 0x041a, 0x041b, 0x041c, 0x041d, 0x041e, 0x041f,
0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427,
0x0428, 0x0429, 0x042a, 0x042b, 0x042c, 0x042d, 0x042e, 0x042f,
0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437,
0x0438, 0x0439, 0x043a, 0x043b, 0x043c, 0x043d, 0x043e, 0x043f,
0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447,
0x0448, 0x0449, 0x044a, 0x044b, 0x044c, 0x044d, 0x044e, 0x044f,
};
static const USHORT usCp1252[] = { /* Windows implementation of Latin1 */
0x20ac, 0x003f, 0x201a, 0x0192, 0x201e, 0x2026, 0x2020, 0x2021,
0x02c6, 0x2030, 0x0160, 0x2039, 0x0152, 0x003f, 0x017d, 0x003f,
0x003f, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
0x02dc, 0x2122, 0x0161, 0x203a, 0x0153, 0x003f, 0x017e, 0x0178,
0x00a0, 0x00a1, 0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6, 0x00a7,
0x00a8, 0x00a9, 0x00aa, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00af,
0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x00b4, 0x00b5, 0x00b6, 0x00b7,
0x00b8, 0x00b9, 0x00ba, 0x00bb, 0x00bc, 0x00bd, 0x00be, 0x00bf,
0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6, 0x00c7,
0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce, 0x00cf,
0x00d0, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7,
0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x00de, 0x00df,
0x00e0, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6, 0x00e7,
0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef,
0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6, 0x00f7,
0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe, 0x00ff,
};
static const USHORT usMacRoman[] = { /* Apple implementation of Latin1 */
0x00c4, 0x00c5, 0x00c7, 0x00c9, 0x00d1, 0x00d6, 0x00dc, 0x00e1,
0x00e0, 0x00e2, 0x00e4, 0x00e3, 0x00e5, 0x00e7, 0x00e9, 0x00e8,
0x00ea, 0x00eb, 0x00ed, 0x00ec, 0x00ee, 0x00ef, 0x00f1, 0x00f3,
0x00f2, 0x00f4, 0x00f6, 0x00f5, 0x00fa, 0x00f9, 0x00fb, 0x00fc,
0x2020, 0x00b0, 0x00a2, 0x00a3, 0x00a7, 0x2022, 0x00b6, 0x00df,
0x00ae, 0x00a9, 0x2122, 0x00b4, 0x00a8, 0x2260, 0x00c6, 0x00d8,
0x221e, 0x00b1, 0x2264, 0x2265, 0x00a5, 0x00b5, 0x2202, 0x2211,
0x220f, 0x03c0, 0x222b, 0x00aa, 0x00ba, 0x2126, 0x00e6, 0x00f8,
0x00bf, 0x00a1, 0x00ac, 0x221a, 0x0192, 0x2248, 0x2206, 0x00ab,
0x00bb, 0x2026, 0x00a0, 0x00c0, 0x00c3, 0x00d5, 0x0152, 0x0153,
0x2013, 0x2014, 0x201c, 0x201d, 0x2018, 0x2019, 0x00f7, 0x25ca,
0x00ff, 0x0178, 0x2044, 0x00a4, 0x2039, 0x203a, 0xfb01, 0xfb02,
0x2021, 0x00b7, 0x201a, 0x201e, 0x2030, 0x00c2, 0x00ca, 0x00c1,
0x00cb, 0x00c8, 0x00cd, 0x00ce, 0x00cf, 0x00cc, 0x00d3, 0x00d4,
0x003f, 0x00d2, 0x00da, 0x00db, 0x00d9, 0x0131, 0x02c6, 0x02dc,
0x00af, 0x02d8, 0x02d9, 0x02da, 0x00b8, 0x02dd, 0x02db, 0x02c7,
};
static const USHORT usPrivateArea[] = {
0x0020, 0x0021, 0x2200, 0x0023, 0x2203, 0x0025, 0x0026, 0x220d,
0x0028, 0x0029, 0x2217, 0x002b, 0x002c, 0x2212, 0x002e, 0x002f,
0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,
0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x2019, 0x003e, 0x003f,
0x201d, 0x201c, 0x0392, 0x03a7, 0x0394, 0x0395, 0x03a6, 0x0393,
0x0397, 0x0399, 0x03d1, 0x039a, 0x039b, 0x039c, 0x039d, 0x039f,
0x03a0, 0x0398, 0x03a1, 0x03a3, 0x03a4, 0x03a5, 0x03c2, 0x03a9,
0x039e, 0x03a8, 0x0396, 0x005b, 0x2234, 0x005d, 0x22a5, 0x005f,
0x003f, 0x03b1, 0x03b2, 0x03c7, 0x03b4, 0x03b5, 0x03c6, 0x03b3,
0x03b7, 0x03b9, 0x03d5, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03bf,
0x03c0, 0x03b8, 0x03c1, 0x03c3, 0x03c4, 0x03c5, 0x03d6, 0x03c9,
0x03be, 0x03c8, 0x03b6, 0x007b, 0x007c, 0x007d, 0x223c, 0x003f,
0x003f, 0x003f, 0x003f, 0x003f, 0x003f, 0x003f, 0x003f, 0x003f,
0x003f, 0x003f, 0x003f, 0x003f, 0x003f, 0x003f, 0x003f, 0x003f,
0x003f, 0x003f, 0x003f, 0x2022, 0x003f, 0x003f, 0x003f, 0x003f,
0x003f, 0x003f, 0x003f, 0x003f, 0x003f, 0x003f, 0x003f, 0x003f,
0x20ac, 0x03d2, 0x2032, 0x2264, 0x2044, 0x221e, 0x0192, 0x2663,
0x2666, 0x2665, 0x2660, 0x2194, 0x2190, 0x2191, 0x2192, 0x2193,
0x00b0, 0x00b1, 0x2033, 0x2265, 0x00d7, 0x221d, 0x2202, 0x2022,
0x00f7, 0x2260, 0x2261, 0x2248, 0x2026, 0x007c, 0x23af, 0x21b5,
0x2135, 0x2111, 0x211c, 0x2118, 0x2297, 0x2295, 0x2205, 0x2229,
0x222a, 0x2283, 0x2287, 0x2284, 0x2282, 0x2286, 0x2208, 0x2209,
0x2220, 0x2207, 0x00ae, 0x00a9, 0x2122, 0x220f, 0x221a, 0x22c5,
0x00ac, 0x2227, 0x2228, 0x21d4, 0x21d0, 0x21d1, 0x21d2, 0x21d3,
0x22c4, 0x3008, 0x00ae, 0x00a9, 0x2122, 0x2211, 0x239b, 0x239c,
0x239d, 0x23a1, 0x23a2, 0x23a3, 0x23a7, 0x23a8, 0x23a9, 0x23aa,
0x003f, 0x3009, 0x222b, 0x2320, 0x23ae, 0x2321, 0x239e, 0x239f,
0x23a0, 0x23a4, 0x23a5, 0x23a6, 0x23ab, 0x23ac, 0x23ad, 0x003f,
};
typedef struct char_table_tag {
UCHAR ucLocal;
USHORT usUnicode;
} char_table_type;
static char_table_type atCharTable[256];
static size_t tNextPosFree = 0;
/*
* iCompare - compare two records
*
* Compares two records. For use by qsort(3C) and bsearch(3C).
*
* returns -1 if rec1 < rec2, 0 if rec1 == rec2, 1 if rec1 > rec2
*/
static int
iCompare(const void *pvRecord1, const void *pvRecord2)
{
USHORT usUnicode1, usUnicode2;
usUnicode1 = ((char_table_type *)pvRecord1)->usUnicode;
usUnicode2 = ((char_table_type *)pvRecord2)->usUnicode;
if (usUnicode1 < usUnicode2) {
return -1;
}
if (usUnicode1 > usUnicode2) {
return 1;
}
return 0;
} /* end of iCompare */
/*
* pGetCharTableRecord - get the character table record
*
* returns a pointer to the record when found, otherwise NULL
*/
static const char_table_type *
pGetCharTableRecord(USHORT usUnicode)
{
char_table_type tKey;
if (tNextPosFree == 0) {
return NULL;
}
tKey.usUnicode = usUnicode;
tKey.ucLocal = 0;
return (char_table_type *)bsearch(&tKey,
atCharTable,
tNextPosFree, sizeof(atCharTable[0]),
iCompare);
} /* end of pGetCharTableRecord */
/*
* ucGetBulletCharacter - get the local representation of the bullet
*/
UCHAR
ucGetBulletCharacter(conversion_type eConversionType, encoding_type eEncoding)
{
#if defined(__riscos)
return 0x8f;
#else
const char_table_type *pRec;
fail(eEncoding == encoding_utf_8);
if (eEncoding == encoding_latin_1 &&
(eConversionType == conversion_ps ||
eConversionType == conversion_pdf)) {
/* Ugly, but it makes the PostScript and PDF look better */
return (UCHAR)143;
}
if (eConversionType != conversion_text &&
eConversionType != conversion_fmt_text) {
pRec = pGetCharTableRecord(UNICODE_BULLET);
if (pRec != NULL) {
return pRec->ucLocal;
}
pRec = pGetCharTableRecord(UNICODE_BULLET_OPERATOR);
if (pRec != NULL) {
return pRec->ucLocal;
}
pRec = pGetCharTableRecord(UNICODE_MIDDLE_DOT);
if (pRec != NULL) {
return pRec->ucLocal;
}
}
return (UCHAR)'.';
#endif /* __riscos */
} /* end of ucGetBulletCharacter */
/*
* ucGetNbspCharacter - get the local representation of the non-breaking space
*/
UCHAR
ucGetNbspCharacter(void)
{
const char_table_type *pRec;
pRec = pGetCharTableRecord(0x00a0); /* Unicode non-breaking space */
if (pRec == NULL) {
DBG_MSG("Non-breaking space record not found");
/* No value found, use the best guess */
return (UCHAR)0xa0;
}
return pRec->ucLocal;
} /* end of ucGetNbspCharacter */
/*
* bReadCharacterMappingTable - read the mapping table
*
* Read the character mapping table from file and have the contents sorted
*
* returns TRUE if successful, otherwise FALSE
*/
BOOL
bReadCharacterMappingTable(FILE *pFile)
{
char *pcTmp;
ULONG ulUnicode;
UINT uiLocal;
int iFields;
char szLine[81];
if (pFile == NULL) {
return FALSE;
}
/* Clean the table first */
(void)memset(atCharTable, 0, sizeof(atCharTable));
/* Fill the table */
while (fgets(szLine, (int)sizeof(szLine), pFile)) {
if (szLine[0] == '#' ||
szLine[0] == '\r' ||
szLine[0] == '\n') {
/* Comment or empty line */
continue;
}
iFields = sscanf(szLine, "%x %lx %*s", &uiLocal, &ulUnicode);
if (iFields != 2) {
pcTmp = strchr(szLine, '\r');
if (pcTmp != NULL) {
*pcTmp = '\0';
}
pcTmp = strchr(szLine, '\n');
if (pcTmp != NULL) {
*pcTmp = '\0';
}
werr(0, "Syntax error in: '%s'", szLine);
continue;
}
if (uiLocal > 0xff || ulUnicode > 0xffff) {
werr(0, "Syntax error in: '%02x %04lx'",
uiLocal, ulUnicode);
continue;
}
/* Store only the relevant entries */
if (uiLocal != ulUnicode || uiLocal >= 0x80) {
atCharTable[tNextPosFree].ucLocal = (UCHAR)uiLocal;
atCharTable[tNextPosFree].usUnicode = (USHORT)ulUnicode;
tNextPosFree++;
}
if (tNextPosFree >= elementsof(atCharTable)) {
werr(0, "Too many entries in the character mapping "
"file. Ignoring the rest.");
break;
}
}
if (tNextPosFree != 0) {
DBG_HEX(atCharTable[0].usUnicode);
DBG_HEX(atCharTable[tNextPosFree - 1].usUnicode);
qsort(atCharTable,
tNextPosFree, sizeof(atCharTable[0]),
iCompare);
DBG_HEX(atCharTable[0].usUnicode);
DBG_HEX(atCharTable[tNextPosFree - 1].usUnicode);
}
return TRUE;
} /* end of bReadCharacterMappingTable */
/*
* ulTranslateCharacters - Translate characters to local representation
*
* Translate all characters to local representation
*
* returns the translated character
*/
ULONG
ulTranslateCharacters(USHORT usChar, ULONG ulFileOffset, int iWordVersion,
conversion_type eConversionType, encoding_type eEncoding,
BOOL bUseMacCharSet)
{
const char_table_type *pTmp;
const USHORT *usCharSet;
usCharSet = NULL;
if (bUseMacCharSet) {
/* Macintosh character set */
usCharSet = usMacRoman;
} else if (iWordVersion == 0) {
/* DOS character set */
usCharSet = usCp850;
} else {
/* Windows character set */
switch (eEncoding) {
case encoding_latin_2:
usCharSet = usCp1250;
break;
case encoding_cyrillic:
usCharSet = usCp1251;
break;
case encoding_latin_1:
default:
usCharSet = usCp1252;
break;
}
}
fail(usCharSet == NULL);
if (usChar >= 0x80 && usChar <= 0x9f) {
/* Translate implementation defined characters */
usChar = usCharSet[usChar - 0x80];
} else if (iWordVersion < 8 && usChar >= 0xa0 && usChar <= 0xff) {
/* Translate old character set to Unixcode */
usChar = usCharSet[usChar - 0x80];
}
/* Microsoft Unicode to real Unicode */
if (usChar >= 0xf020 && usChar <= 0xf0ff) {
DBG_HEX_C(usPrivateArea[usChar - 0xf020] == 0x003f, usChar);
usChar = usPrivateArea[usChar - 0xf020];
}
/* Characters with a special meaning in Word */
switch (usChar) {
case IGNORE_CHARACTER:
case FOOTNOTE_SEPARATOR:
case FOOTNOTE_CONTINUATION:
case ANNOTATION:
case FRAME:
case LINE_FEED:
case WORD_SOFT_HYPHEN:
case UNICODE_HYPHENATION_POINT:
return IGNORE_CHARACTER;
case PICTURE:
case TABLE_SEPARATOR:
case TAB:
case HARD_RETURN:
case PAGE_BREAK:
case PAR_END:
case COLUMN_FEED:
return (ULONG)usChar;
case FOOTNOTE_OR_ENDNOTE:
NO_DBG_HEX(ulFileOffset);
switch (eGetNotetype(ulFileOffset)) {
case notetype_is_footnote:
return FOOTNOTE_CHAR;
case notetype_is_endnote:
return ENDNOTE_CHAR;
default:
return UNKNOWN_NOTE_CHAR;
}
case WORD_UNBREAKABLE_JOIN:
return (ULONG)OUR_UNBREAKABLE_JOIN;
default:
break;
}
if (eEncoding != encoding_utf_8) {
/* Latin characters in an oriental text */
if (usChar >= 0xff01 && usChar <= 0xff5e) {
usChar -= 0xfee0;
}
}
if (eEncoding == encoding_latin_1 &&
(eConversionType == conversion_ps ||
eConversionType == conversion_pdf)) {
/* Ugly, but it makes the PostScript and PDF look better */
switch (usChar) {
case UNICODE_ELLIPSIS:
return 140;
case UNICODE_TRADEMARK_SIGN:
return 141;
case UNICODE_PER_MILLE_SIGN:
return 142;
case UNICODE_BULLET:
case UNICODE_BULLET_OPERATOR:
case UNICODE_BLACK_CLUB_SUIT:
return 143;
case UNICODE_LEFT_SINGLE_QMARK:
return 144;
case UNICODE_RIGHT_SINGLE_QMARK:
return 145;
case UNICODE_SINGLE_LEFT_ANGLE_QMARK:
return 146;
case UNICODE_SINGLE_RIGHT_ANGLE_QMARK:
return 147;
case UNICODE_LEFT_DOUBLE_QMARK:
return 148;
case UNICODE_RIGHT_DOUBLE_QMARK:
return 149;
case UNICODE_DOUBLE_LOW_9_QMARK:
return 150;
case UNICODE_EN_DASH:
return 151;
case UNICODE_EM_DASH:
return 152;
case UNICODE_MINUS_SIGN:
return 153;
case UNICODE_CAPITAL_LIGATURE_OE:
return 154;
case UNICODE_SMALL_LIGATURE_OE:
return 155;
case UNICODE_DAGGER:
return 156;
case UNICODE_DOUBLE_DAGGER:
return 157;
case UNICODE_SMALL_LIGATURE_FI:
return 158;
case UNICODE_SMALL_LIGATURE_FL:
return 159;
default:
break;
}
}
if (eConversionType == conversion_pdf) {
if (eEncoding == encoding_latin_1) {
switch (usChar) {
case UNICODE_EURO_SIGN:
return 128;
default:
break;
}
} else if (eEncoding == encoding_latin_2) {
switch (usChar) {
case UNICODE_CAPITAL_D_WITH_STROKE:
case UNICODE_SMALL_D_WITH_STROKE:
return 0x3f;
default:
break;
}
}
}
if (usChar < 0x80) {
/* US ASCII */
if (usChar < 0x20 || usChar == 0x7f) {
/* Ignore control characters */
DBG_HEX(usChar);
DBG_FIXME();
return IGNORE_CHARACTER;
}
return (ULONG)usChar;
}
if (eEncoding == encoding_utf_8) {
/* No need to convert Unicode characters */
return (ULONG)usChar;
}
/* Unicode to local representation */
pTmp = pGetCharTableRecord(usChar);
if (pTmp != NULL) {
DBG_HEX_C(usChar >= 0x7f && usChar <= 0x9f, usChar);
return (ULONG)pTmp->ucLocal;
}
/* Fancy characters to simple US ASCII */
switch (usChar) {
case UNICODE_SMALL_F_HOOK:
return (ULONG)'f';
case UNICODE_GREEK_CAPITAL_CHI:
return (ULONG)'X';
case UNICODE_GREEK_SMALL_UPSILON:
return (ULONG)'v';
case UNICODE_MODIFIER_CIRCUMFLEX:
case UNICODE_UPWARDS_ARROW:
return (ULONG)'^';
case UNICODE_SMALL_TILDE:
case UNICODE_TILDE_OPERATOR:
return (ULONG)'~';
case UNICODE_EN_QUAD:
case UNICODE_EM_QUAD:
case UNICODE_EN_SPACE:
case UNICODE_EM_SPACE:
case UNICODE_THREE_PER_EM_SPACE:
case UNICODE_FOUR_PER_EM_SPACE:
case UNICODE_SIX_PER_EM_SPACE:
case UNICODE_FIGURE_SPACE:
case UNICODE_PUNCTUATION_SPACE:
case UNICODE_THIN_SPACE:
case UNICODE_NARROW_NO_BREAK_SPACE:
case UNICODE_LIGHT_SHADE:
case UNICODE_MEDIUM_SHADE:
case UNICODE_DARK_SHADE:
return (ULONG)' ';
case UNICODE_LEFT_DOUBLE_QMARK:
case UNICODE_RIGHT_DOUBLE_QMARK:
case UNICODE_DOUBLE_LOW_9_QMARK:
case UNICODE_DOUBLE_HIGH_REV_9_QMARK:
case UNICODE_DOUBLE_PRIME:
return (ULONG)'"';
case UNICODE_LEFT_SINGLE_QMARK:
case UNICODE_RIGHT_SINGLE_QMARK:
case UNICODE_SINGLE_LOW_9_QMARK:
case UNICODE_SINGLE_HIGH_REV_9_QMARK:
case UNICODE_PRIME:
return (ULONG)'\'';
case UNICODE_HYPHEN:
case UNICODE_NON_BREAKING_HYPHEN:
case UNICODE_FIGURE_DASH:
case UNICODE_EN_DASH:
case UNICODE_EM_DASH:
case UNICODE_HORIZONTAL_BAR:
case UNICODE_MINUS_SIGN:
case UNICODE_BD_LIGHT_HORIZONTAL:
case UNICODE_BD_DOUBLE_HORIZONTAL:
return (ULONG)'-';
case UNICODE_DOUBLE_VERTICAL_LINE:
case UNICODE_BD_LIGHT_VERTICAL:
case UNICODE_BD_DOUBLE_VERTICAL:
return (ULONG)'|';
case UNICODE_DOUBLE_LOW_LINE:
return (ULONG)'_';
case UNICODE_DAGGER:
return (ULONG)'+';
case UNICODE_DOUBLE_DAGGER:
return (ULONG)'#';
case UNICODE_BULLET:
case UNICODE_BULLET_OPERATOR:
case UNICODE_BLACK_CLUB_SUIT:
return (ULONG)ucGetBulletCharacter(eConversionType, eEncoding);
case UNICODE_ONE_DOT_LEADER:
case UNICODE_TWO_DOT_LEADER:
return (ULONG)'.';
case UNICODE_ELLIPSIS:
#if defined(__riscos)
return (ULONG)OUR_ELLIPSIS;
#else
if (ulFileOffset == 0) {
return (ULONG)OUR_ELLIPSIS;
}
return UNICODE_ELLIPSIS;
#endif /* __riscos */
case UNICODE_DOUBLE_LEFT_ANGLE_QMARK:
case UNICODE_TRIANGULAR_BULLET:
case UNICODE_SINGLE_LEFT_ANGLE_QMARK:
case UNICODE_LEFTWARDS_ARROW:
return (ULONG)'<';
case UNICODE_DOUBLE_RIGHT_ANGLE_QMARK:
case UNICODE_SINGLE_RIGHT_ANGLE_QMARK:
case UNICODE_RIGHTWARDS_ARROW:
return (ULONG)'>';
case UNICODE_UNDERTIE:
return (ULONG)'-';
case UNICODE_N_ARY_SUMMATION:
return (ULONG)'S';
case UNICODE_EURO_SIGN:
return (ULONG)'E';
case UNICODE_CIRCLE:
case UNICODE_SQUARE:
return (ULONG)'O';
case UNICODE_DIAMOND:
return (ULONG)OUR_DIAMOND;
case UNICODE_NUMERO_SIGN:
return (ULONG)'N';
case UNICODE_KELVIN_SIGN:
return (ULONG)'K';
case UNICODE_DOWNWARDS_ARROW:
return (ULONG)'v';
case UNICODE_FRACTION_SLASH:
case UNICODE_DIVISION_SLASH:
return (ULONG)'/';
case UNICODE_ASTERISK_OPERATOR:
return (ULONG)'*';
case UNICODE_RATIO:
return (ULONG)':';
case UNICODE_BD_LIGHT_DOWN_RIGHT:
case UNICODE_BD_LIGHT_DOWN_AND_LEFT:
case UNICODE_BD_LIGHT_UP_AND_RIGHT:
case UNICODE_BD_LIGHT_UP_AND_LEFT:
case UNICODE_BD_LIGHT_VERTICAL_AND_RIGHT:
case UNICODE_BD_LIGHT_VERTICAL_AND_LEFT:
case UNICODE_BD_LIGHT_DOWN_AND_HORIZONTAL:
case UNICODE_BD_LIGHT_UP_AND_HORIZONTAL:
case UNICODE_BD_LIGHT_VERTICAL_AND_HORIZONTAL:
case UNICODE_BD_DOUBLE_DOWN_AND_RIGHT:
case UNICODE_BD_DOUBLE_DOWN_AND_LEFT:
case UNICODE_BD_DOUBLE_UP_AND_RIGHT:
case UNICODE_BD_DOUBLE_UP_AND_LEFT:
case UNICODE_BD_DOUBLE_VERTICAL_AND_RIGHT:
case UNICODE_BD_DOUBLE_VERTICAL_AND_LEFT:
case UNICODE_BD_DOUBLE_DOWN_AND_HORIZONTAL:
case UNICODE_BD_DOUBLE_UP_AND_HORIZONTAL:
case UNICODE_BD_DOUBLE_VERTICAL_AND_HORIZONTAL:
case UNICODE_BLACK_SQUARE:
return (ULONG)'+';
case UNICODE_HAIR_SPACE:
case UNICODE_ZERO_WIDTH_SPACE:
case UNICODE_ZERO_WIDTH_NON_JOINER:
case UNICODE_ZERO_WIDTH_JOINER:
case UNICODE_LEFT_TO_RIGHT_MARK:
case UNICODE_RIGHT_TO_LEFT_MARK:
case UNICODE_LEFT_TO_RIGHT_EMBEDDING:
case UNICODE_RIGHT_TO_LEFT_EMBEDDING:
case UNICODE_POP_DIRECTIONAL_FORMATTING:
case UNICODE_LEFT_TO_RIGHT_OVERRIDE:
case UNICODE_RIGHT_TO_LEFT_OVERRIDE:
case UNICODE_ZERO_WIDTH_NO_BREAK_SPACE:
return IGNORE_CHARACTER;
default:
break;
}
if (usChar == UNICODE_TRADEMARK_SIGN) {
/*
* No local representation, it doesn't look like anything in
* US-ASCII and a question mark does more harm than good.
*/
return IGNORE_CHARACTER;
}
if (usChar >= 0xa0 && usChar <= 0xff) {
/* Before Word 97, Word did't use Unicode */
return (ULONG)usChar;
}
DBG_HEX_C(usChar < 0x3000 || usChar >= 0xd800, ulFileOffset);
DBG_HEX_C(usChar < 0x3000 || usChar >= 0xd800, usChar);
DBG_MSG_C(usChar >= 0xe000 && usChar < 0xf900, "Private Use Area");
/* Untranslated Unicode character */
return 0x3f;
} /* end of ulTranslateCharacters */
/*
* ulToUpper - convert letter to upper case
*
* This function converts a letter to upper case. Unlike toupper(3) this
* function is independent from the settings of locale. This comes in handy
* for people who have to read Word documents in more than one language or
* contain more than one language.
*
* returns the converted letter, or ulChar if the conversion was not possible.
*/
ULONG
ulToUpper(ULONG ulChar)
{
if (ulChar < 0x80) {
/* US ASCII: use standard function */
return (ULONG)toupper((int)ulChar);
}
if (ulChar >= 0xe0 && ulChar <= 0xfe && ulChar != 0xf7) {
/*
* Lower case accented characters
* 0xf7 is Division sign; 0xd7 is Multiplication sign
* 0xff is y with diaeresis; 0xdf is Sharp s
*/
return ulChar & ~0x20;
}
#if defined(__STDC_ISO_10646__)
/*
* If this is ISO C99 and all locales have wchar_t = ISO 10646
* (e.g., glibc 2.2 or newer), then use standard function
*/
if (ulChar > 0xff) {
return (ULONG)towupper((wint_t)ulChar);
}
#endif /* __STDC_ISO_10646__ */
return ulChar;
} /* end of ulToUpper */