TB9.2 Example Applications: examples/PIPS/antiword/src/chartrans.c Source File

00001 /*
+00002  * chartrans.c
+00003  * Copyright (C) 1999-2004 A.J. van Os; Released under GNU GPL
+00004  *
+00005  * Description:
+00006  * Translate Word characters to local representation
+00007  */
+00008 
+00009 #include <stdlib.h>
+00010 #include <string.h>
+00011 #include <ctype.h>
+00012 #if defined(__STDC_ISO_10646__)
+00013 #include <wctype.h>
+00014 #endif /* __STDC_ISO_10646__ */
+00015 #include "antiword.h"
+00016 
+00017 static const USHORT usCp850[] = {       /* DOS implementation of Latin1 */
+00018         0x00c7, 0x00fc, 0x00e9, 0x00e2, 0x00e4, 0x00e0, 0x00e5, 0x00e7,
+00019         0x00ea, 0x00eb, 0x00e8, 0x00ef, 0x00ee, 0x00ec, 0x00c4, 0x00c5,
+00020         0x00c9, 0x00e6, 0x00c6, 0x00f4, 0x00f6, 0x00f2, 0x00fb, 0x00f9,
+00021         0x00ff, 0x00d6, 0x00dc, 0x00f8, 0x00a3, 0x00d8, 0x00d7, 0x0192,
+00022         0x00e1, 0x00ed, 0x00f3, 0x00fa, 0x00f1, 0x00d1, 0x00aa, 0x00ba,
+00023         0x00bf, 0x00ae, 0x00ac, 0x00bd, 0x00bc, 0x00a1, 0x00ab, 0x00bb,
+00024         0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00c1, 0x00c2, 0x00c0,
+00025         0x00a9, 0x2563, 0x2551, 0x2557, 0x255d, 0x00a2, 0x00a5, 0x2510,
+00026         0x2514, 0x2534, 0x252c, 0x251c, 0x2500, 0x253c, 0x00e3, 0x00c3,
+00027         0x255a, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256c, 0x00a4,
+00028         0x00f0, 0x00d0, 0x00ca, 0x00cb, 0x00c8, 0x0131, 0x00cd, 0x00ce,
+00029         0x00cf, 0x2518, 0x250c, 0x2588, 0x2584, 0x00a6, 0x00cc, 0x2580,
+00030         0x00d3, 0x00df, 0x00d4, 0x00d2, 0x00f5, 0x00d5, 0x00b5, 0x00fe,
+00031         0x00de, 0x00da, 0x00db, 0x00d9, 0x00fd, 0x00dd, 0x00af, 0x00b4,
+00032         0x00ad, 0x00b1, 0x2017, 0x00be, 0x00b6, 0x00a7, 0x00f7, 0x00b8,
+00033         0x00b0, 0x00a8, 0x00b7, 0x00b9, 0x00b3, 0x00b2, 0x25a0, 0x00a0,
+00034 };
+00035 
+00036 static const USHORT usCp1250[] = {      /* Windows implementation of Latin2 */
+00037         0x20ac, 0x003f, 0x201a, 0x003f, 0x201e, 0x2026, 0x2020, 0x2021,
+00038         0x003f, 0x2030, 0x0160, 0x2039, 0x015a, 0x0164, 0x017d, 0x0179,
+00039         0x003f, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
+00040         0x003f, 0x2122, 0x0161, 0x203a, 0x015b, 0x0165, 0x017e, 0x017a,
+00041         0x00a0, 0x02c7, 0x02d8, 0x0141, 0x00a4, 0x0104, 0x00a6, 0x00a7,
+00042         0x00a8, 0x00a9, 0x015e, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x017b,
+00043         0x00b0, 0x00b1, 0x02db, 0x0142, 0x00b4, 0x00b5, 0x00b6, 0x00b7,
+00044         0x00b8, 0x0105, 0x015f, 0x00bb, 0x013d, 0x02dd, 0x013e, 0x017c,
+00045         0x0154, 0x00c1, 0x00c2, 0x0102, 0x00c4, 0x0139, 0x0106, 0x00c7,
+00046         0x010c, 0x00c9, 0x0118, 0x00cb, 0x011a, 0x00cd, 0x00ce, 0x010e,
+00047         0x0110, 0x0143, 0x0147, 0x00d3, 0x00d4, 0x0150, 0x00d6, 0x00d7,
+00048         0x0158, 0x016e, 0x00da, 0x0170, 0x00dc, 0x00dd, 0x0162, 0x00df,
+00049         0x0155, 0x00e1, 0x00e2, 0x0103, 0x00e4, 0x013a, 0x0107, 0x00e7,
+00050         0x010d, 0x00e9, 0x0119, 0x00eb, 0x011b, 0x00ed, 0x00ee, 0x010f,
+00051         0x0111, 0x0144, 0x0148, 0x00f3, 0x00f4, 0x0151, 0x00f6, 0x00f7,
+00052         0x0159, 0x016f, 0x00fa, 0x0171, 0x00fc, 0x00fd, 0x0163, 0x02d9,
+00053 };
+00054 
+00055 static const USHORT usCp1251[] = {      /* Windows implementation of Cyrillic */
+00056         0x0402, 0x0403, 0x201a, 0x0453, 0x201e, 0x2026, 0x2020, 0x2021,
+00057         0x20ac, 0x2030, 0x0409, 0x2039, 0x040a, 0x040c, 0x040b, 0x040f,
+00058         0x0452, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
+00059         0x00f3, 0x2122, 0x0459, 0x203a, 0x045a, 0x045c, 0x045b, 0x045f,
+00060         0x00a0, 0x040e, 0x045e, 0x0408, 0x00a4, 0x0490, 0x00a6, 0x00a7,
+00061         0x0401, 0x00a9, 0x0404, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x0407,
+00062         0x00b0, 0x00b1, 0x0406, 0x0456, 0x0491, 0x00b5, 0x00b6, 0x00b7,
+00063         0x0451, 0x2116, 0x0454, 0x00bb, 0x0458, 0x0405, 0x0455, 0x0457,
+00064         0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417,
+00065         0x0418, 0x0419, 0x041a, 0x041b, 0x041c, 0x041d, 0x041e, 0x041f,
+00066         0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427,
+00067         0x0428, 0x0429, 0x042a, 0x042b, 0x042c, 0x042d, 0x042e, 0x042f,
+00068         0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437,
+00069         0x0438, 0x0439, 0x043a, 0x043b, 0x043c, 0x043d, 0x043e, 0x043f,
+00070         0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447,
+00071         0x0448, 0x0449, 0x044a, 0x044b, 0x044c, 0x044d, 0x044e, 0x044f,
+00072 };
+00073 
+00074 static const USHORT usCp1252[] = {      /* Windows implementation of Latin1 */
+00075         0x20ac, 0x003f, 0x201a, 0x0192, 0x201e, 0x2026, 0x2020, 0x2021,
+00076         0x02c6, 0x2030, 0x0160, 0x2039, 0x0152, 0x003f, 0x017d, 0x003f,
+00077         0x003f, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
+00078         0x02dc, 0x2122, 0x0161, 0x203a, 0x0153, 0x003f, 0x017e, 0x0178,
+00079         0x00a0, 0x00a1, 0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6, 0x00a7,
+00080         0x00a8, 0x00a9, 0x00aa, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00af,
+00081         0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x00b4, 0x00b5, 0x00b6, 0x00b7,
+00082         0x00b8, 0x00b9, 0x00ba, 0x00bb, 0x00bc, 0x00bd, 0x00be, 0x00bf,
+00083         0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6, 0x00c7,
+00084         0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce, 0x00cf,
+00085         0x00d0, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7,
+00086         0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x00de, 0x00df,
+00087         0x00e0, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6, 0x00e7,
+00088         0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef,
+00089         0x00f0, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6, 0x00f7,
+00090         0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe, 0x00ff,
+00091 };
+00092 
+00093 static const USHORT usMacRoman[] = {    /* Apple implementation of Latin1 */
+00094         0x00c4, 0x00c5, 0x00c7, 0x00c9, 0x00d1, 0x00d6, 0x00dc, 0x00e1,
+00095         0x00e0, 0x00e2, 0x00e4, 0x00e3, 0x00e5, 0x00e7, 0x00e9, 0x00e8,
+00096         0x00ea, 0x00eb, 0x00ed, 0x00ec, 0x00ee, 0x00ef, 0x00f1, 0x00f3,
+00097         0x00f2, 0x00f4, 0x00f6, 0x00f5, 0x00fa, 0x00f9, 0x00fb, 0x00fc,
+00098         0x2020, 0x00b0, 0x00a2, 0x00a3, 0x00a7, 0x2022, 0x00b6, 0x00df,
+00099         0x00ae, 0x00a9, 0x2122, 0x00b4, 0x00a8, 0x2260, 0x00c6, 0x00d8,
+00100         0x221e, 0x00b1, 0x2264, 0x2265, 0x00a5, 0x00b5, 0x2202, 0x2211,
+00101         0x220f, 0x03c0, 0x222b, 0x00aa, 0x00ba, 0x2126, 0x00e6, 0x00f8,
+00102         0x00bf, 0x00a1, 0x00ac, 0x221a, 0x0192, 0x2248, 0x2206, 0x00ab,
+00103         0x00bb, 0x2026, 0x00a0, 0x00c0, 0x00c3, 0x00d5, 0x0152, 0x0153,
+00104         0x2013, 0x2014, 0x201c, 0x201d, 0x2018, 0x2019, 0x00f7, 0x25ca,
+00105         0x00ff, 0x0178, 0x2044, 0x00a4, 0x2039, 0x203a, 0xfb01, 0xfb02,
+00106         0x2021, 0x00b7, 0x201a, 0x201e, 0x2030, 0x00c2, 0x00ca, 0x00c1,
+00107         0x00cb, 0x00c8, 0x00cd, 0x00ce, 0x00cf, 0x00cc, 0x00d3, 0x00d4,
+00108         0x003f, 0x00d2, 0x00da, 0x00db, 0x00d9, 0x0131, 0x02c6, 0x02dc,
+00109         0x00af, 0x02d8, 0x02d9, 0x02da, 0x00b8, 0x02dd, 0x02db, 0x02c7,
+00110 };
+00111 
+00112 static const USHORT usPrivateArea[] = {
+00113         0x0020, 0x0021, 0x2200, 0x0023, 0x2203, 0x0025, 0x0026, 0x220d,
+00114         0x0028, 0x0029, 0x2217, 0x002b, 0x002c, 0x2212, 0x002e, 0x002f,
+00115         0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,
+00116         0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x2019, 0x003e, 0x003f,
+00117         0x201d, 0x201c, 0x0392, 0x03a7, 0x0394, 0x0395, 0x03a6, 0x0393,
+00118         0x0397, 0x0399, 0x03d1, 0x039a, 0x039b, 0x039c, 0x039d, 0x039f,
+00119         0x03a0, 0x0398, 0x03a1, 0x03a3, 0x03a4, 0x03a5, 0x03c2, 0x03a9,
+00120         0x039e, 0x03a8, 0x0396, 0x005b, 0x2234, 0x005d, 0x22a5, 0x005f,
+00121         0x003f, 0x03b1, 0x03b2, 0x03c7, 0x03b4, 0x03b5, 0x03c6, 0x03b3,
+00122         0x03b7, 0x03b9, 0x03d5, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03bf,
+00123         0x03c0, 0x03b8, 0x03c1, 0x03c3, 0x03c4, 0x03c5, 0x03d6, 0x03c9,
+00124         0x03be, 0x03c8, 0x03b6, 0x007b, 0x007c, 0x007d, 0x223c, 0x003f,
+00125         0x003f, 0x003f, 0x003f, 0x003f, 0x003f, 0x003f, 0x003f, 0x003f,
+00126         0x003f, 0x003f, 0x003f, 0x003f, 0x003f, 0x003f, 0x003f, 0x003f,
+00127         0x003f, 0x003f, 0x003f, 0x2022, 0x003f, 0x003f, 0x003f, 0x003f,
+00128         0x003f, 0x003f, 0x003f, 0x003f, 0x003f, 0x003f, 0x003f, 0x003f,
+00129         0x20ac, 0x03d2, 0x2032, 0x2264, 0x2044, 0x221e, 0x0192, 0x2663,
+00130         0x2666, 0x2665, 0x2660, 0x2194, 0x2190, 0x2191, 0x2192, 0x2193,
+00131         0x00b0, 0x00b1, 0x2033, 0x2265, 0x00d7, 0x221d, 0x2202, 0x2022,
+00132         0x00f7, 0x2260, 0x2261, 0x2248, 0x2026, 0x007c, 0x23af, 0x21b5,
+00133         0x2135, 0x2111, 0x211c, 0x2118, 0x2297, 0x2295, 0x2205, 0x2229,
+00134         0x222a, 0x2283, 0x2287, 0x2284, 0x2282, 0x2286, 0x2208, 0x2209,
+00135         0x2220, 0x2207, 0x00ae, 0x00a9, 0x2122, 0x220f, 0x221a, 0x22c5,
+00136         0x00ac, 0x2227, 0x2228, 0x21d4, 0x21d0, 0x21d1, 0x21d2, 0x21d3,
+00137         0x22c4, 0x3008, 0x00ae, 0x00a9, 0x2122, 0x2211, 0x239b, 0x239c,
+00138         0x239d, 0x23a1, 0x23a2, 0x23a3, 0x23a7, 0x23a8, 0x23a9, 0x23aa,
+00139         0x003f, 0x3009, 0x222b, 0x2320, 0x23ae, 0x2321, 0x239e, 0x239f,
+00140         0x23a0, 0x23a4, 0x23a5, 0x23a6, 0x23ab, 0x23ac, 0x23ad, 0x003f,
+00141 };
+00142 
+00143 typedef struct char_table_tag {
+00144         UCHAR   ucLocal;
+00145         USHORT  usUnicode;
+00146 } char_table_type;
+00147 
+00148 static char_table_type  atCharTable[256];
+00149 static size_t           tNextPosFree = 0;
+00150 
+00151 
+00152 /*
+00153  * iCompare - compare two records
+00154  *
+00155  * Compares two records. For use by qsort(3C) and bsearch(3C).
+00156  *
+00157  * returns -1 if rec1 < rec2, 0 if rec1 == rec2, 1 if rec1 > rec2
+00158  */
+00159 static int
+00160 iCompare(const void *pvRecord1, const void *pvRecord2)
+00161 {
+00162         USHORT  usUnicode1, usUnicode2;
+00163 
+00164         usUnicode1 = ((char_table_type *)pvRecord1)->usUnicode;
+00165         usUnicode2 = ((char_table_type *)pvRecord2)->usUnicode;
+00166 
+00167         if (usUnicode1 < usUnicode2) {
+00168                 return -1;
+00169         }
+00170         if (usUnicode1 > usUnicode2) {
+00171                 return 1;
+00172         }
+00173         return 0;
+00174 } /* end of iCompare */
+00175 
+00176 /*
+00177  * pGetCharTableRecord - get the character table record
+00178  *
+00179  * returns a pointer to the record when found, otherwise NULL
+00180  */
+00181 static const char_table_type *
+00182 pGetCharTableRecord(USHORT usUnicode)
+00183 {
+00184         char_table_type tKey;
+00185 
+00186         if (tNextPosFree == 0) {
+00187                 return NULL;
+00188         }
+00189         tKey.usUnicode = usUnicode;
+00190         tKey.ucLocal = 0;
+00191         return (char_table_type *)bsearch(&tKey,
+00192                         atCharTable,
+00193                         tNextPosFree, sizeof(atCharTable[0]),
+00194                         iCompare);
+00195 } /* end of pGetCharTableRecord */
+00196 
+00197 /*
+00198  * ucGetBulletCharacter - get the local representation of the bullet
+00199  */
+00200 UCHAR
+00201 ucGetBulletCharacter(conversion_type eConversionType, encoding_type eEncoding)
+00202 {
+00203 #if defined(__riscos)
+00204         return 0x8f;
+00205 #else
+00206         const char_table_type   *pRec;
+00207 
+00208         fail(eEncoding == encoding_utf_8);
+00209 
+00210         if (eEncoding == encoding_latin_1 &&
+00211             (eConversionType == conversion_ps ||
+00212              eConversionType == conversion_pdf)) {
+00213                 /* Ugly, but it makes the PostScript and PDF look better */
+00214                 return (UCHAR)143;
+00215         }
+00216         if (eConversionType != conversion_text &&
+00217             eConversionType != conversion_fmt_text) {
+00218                 pRec = pGetCharTableRecord(UNICODE_BULLET);
+00219                 if (pRec != NULL) {
+00220                         return pRec->ucLocal;
+00221                 }
+00222                 pRec = pGetCharTableRecord(UNICODE_BULLET_OPERATOR);
+00223                 if (pRec != NULL) {
+00224                         return pRec->ucLocal;
+00225                 }
+00226                 pRec = pGetCharTableRecord(UNICODE_MIDDLE_DOT);
+00227                 if (pRec != NULL) {
+00228                         return pRec->ucLocal;
+00229                 }
+00230         }
+00231         return (UCHAR)'.';
+00232 #endif /* __riscos */
+00233 } /* end of ucGetBulletCharacter */
+00234 
+00235 /*
+00236  * ucGetNbspCharacter - get the local representation of the non-breaking space
+00237  */
+00238 UCHAR
+00239 ucGetNbspCharacter(void)
+00240 {
+00241         const char_table_type   *pRec;
+00242 
+00243         pRec = pGetCharTableRecord(0x00a0);     /* Unicode non-breaking space */
+00244         if (pRec == NULL) {
+00245                 DBG_MSG("Non-breaking space record not found");
+00246                 /* No value found, use the best guess */
+00247                 return (UCHAR)0xa0;
+00248         }
+00249         return pRec->ucLocal;
+00250 } /* end of ucGetNbspCharacter */
+00251 
+00252 /*
+00253  * bReadCharacterMappingTable - read the mapping table
+00254  *
+00255  * Read the character mapping table from file and have the contents sorted
+00256  *
+00257  * returns TRUE if successful, otherwise FALSE
+00258  */
+00259 BOOL
+00260 bReadCharacterMappingTable(FILE *pFile)
+00261 {
+00262         char    *pcTmp;
+00263         ULONG   ulUnicode;
+00264         UINT    uiLocal;
+00265         int     iFields;
+00266         char    szLine[81];
+00267 
+00268         if (pFile == NULL) {
+00269                 return FALSE;
+00270         }
+00271 
+00272         /* Clean the table first */
+00273         (void)memset(atCharTable, 0, sizeof(atCharTable));
+00274 
+00275         /* Fill the table */
+00276         while (fgets(szLine, (int)sizeof(szLine), pFile)) {
+00277                 if (szLine[0] == '#' ||
+00278                     szLine[0] == '\r' ||
+00279                     szLine[0] == '\n') {
+00280                         /* Comment or empty line */
+00281                         continue;
+00282                 }
+00283                 iFields = sscanf(szLine, "%x %lx %*s", &uiLocal, &ulUnicode);
+00284                 if (iFields != 2) {
+00285                         pcTmp = strchr(szLine, '\r');
+00286                         if (pcTmp != NULL) {
+00287                                 *pcTmp = '\0';
+00288                         }
+00289                         pcTmp = strchr(szLine, '\n');
+00290                         if (pcTmp != NULL) {
+00291                                 *pcTmp = '\0';
+00292                         }
+00293                         werr(0, "Syntax error in: '%s'", szLine);
+00294                         continue;
+00295                 }
+00296                 if (uiLocal > 0xff || ulUnicode > 0xffff) {
+00297                         werr(0, "Syntax error in: '%02x %04lx'",
+00298                                         uiLocal, ulUnicode);
+00299                         continue;
+00300                 }
+00301                 /* Store only the relevant entries */
+00302                 if (uiLocal != ulUnicode || uiLocal >= 0x80) {
+00303                         atCharTable[tNextPosFree].ucLocal = (UCHAR)uiLocal;
+00304                         atCharTable[tNextPosFree].usUnicode = (USHORT)ulUnicode;
+00305                         tNextPosFree++;
+00306                 }
+00307                 if (tNextPosFree >= elementsof(atCharTable)) {
+00308                         werr(0, "Too many entries in the character mapping "
+00309                                 "file. Ignoring the rest.");
+00310                         break;
+00311                 }
+00312         }
+00313 
+00314         if (tNextPosFree != 0) {
+00315                 DBG_HEX(atCharTable[0].usUnicode);
+00316                 DBG_HEX(atCharTable[tNextPosFree - 1].usUnicode);
+00317 
+00318                 qsort(atCharTable,
+00319                         tNextPosFree, sizeof(atCharTable[0]),
+00320                         iCompare);
+00321 
+00322                 DBG_HEX(atCharTable[0].usUnicode);
+00323                 DBG_HEX(atCharTable[tNextPosFree - 1].usUnicode);
+00324         }
+00325 
+00326         return TRUE;
+00327 } /* end of bReadCharacterMappingTable */
+00328 
+00329 /*
+00330  * ulTranslateCharacters - Translate characters to local representation
+00331  *
+00332  * Translate all characters to local representation
+00333  *
+00334  * returns the translated character
+00335  */
+00336 ULONG
+00337 ulTranslateCharacters(USHORT usChar, ULONG ulFileOffset, int iWordVersion,
+00338         conversion_type eConversionType, encoding_type eEncoding,
+00339         BOOL bUseMacCharSet)
+00340 {
+00341         const char_table_type   *pTmp;
+00342         const USHORT    *usCharSet;
+00343 
+00344         usCharSet = NULL;
+00345         if (bUseMacCharSet) {
+00346                 /* Macintosh character set */
+00347                 usCharSet = usMacRoman;
+00348         } else if (iWordVersion == 0) {
+00349                 /* DOS character set */
+00350                 usCharSet = usCp850;
+00351         } else {
+00352                 /* Windows character set */
+00353                 switch (eEncoding) {
+00354                 case encoding_latin_2:
+00355                         usCharSet = usCp1250;
+00356                         break;
+00357                 case encoding_cyrillic:
+00358                         usCharSet = usCp1251;
+00359                         break;
+00360                 case encoding_latin_1:
+00361                 default:
+00362                         usCharSet = usCp1252;
+00363                         break;
+00364                 }
+00365         }
+00366         fail(usCharSet == NULL);
+00367         if (usChar >= 0x80 && usChar <= 0x9f) {
+00368                 /* Translate implementation defined characters */
+00369                 usChar = usCharSet[usChar - 0x80];
+00370         } else if (iWordVersion < 8 && usChar >= 0xa0 && usChar <= 0xff) {
+00371                 /* Translate old character set to Unixcode */
+00372                 usChar = usCharSet[usChar - 0x80];
+00373         }
+00374 
+00375         /* Microsoft Unicode to real Unicode */
+00376         if (usChar >= 0xf020 && usChar <= 0xf0ff) {
+00377                 DBG_HEX_C(usPrivateArea[usChar - 0xf020] == 0x003f, usChar);
+00378                 usChar = usPrivateArea[usChar - 0xf020];
+00379         }
+00380 
+00381         /* Characters with a special meaning in Word */
+00382         switch (usChar) {
+00383         case IGNORE_CHARACTER:
+00384         case FOOTNOTE_SEPARATOR:
+00385         case FOOTNOTE_CONTINUATION:
+00386         case ANNOTATION:
+00387         case FRAME:
+00388         case LINE_FEED:
+00389         case WORD_SOFT_HYPHEN:
+00390         case UNICODE_HYPHENATION_POINT:
+00391                 return IGNORE_CHARACTER;
+00392         case PICTURE:
+00393         case TABLE_SEPARATOR:
+00394         case TAB:
+00395         case HARD_RETURN:
+00396         case PAGE_BREAK:
+00397         case PAR_END:
+00398         case COLUMN_FEED:
+00399                 return (ULONG)usChar;
+00400         case FOOTNOTE_OR_ENDNOTE:
+00401                 NO_DBG_HEX(ulFileOffset);
+00402                 switch (eGetNotetype(ulFileOffset)) {
+00403                 case notetype_is_footnote:
+00404                         return FOOTNOTE_CHAR;
+00405                 case notetype_is_endnote:
+00406                         return ENDNOTE_CHAR;
+00407                 default:
+00408                         return UNKNOWN_NOTE_CHAR;
+00409                 }
+00410         case WORD_UNBREAKABLE_JOIN:
+00411                 return (ULONG)OUR_UNBREAKABLE_JOIN;
+00412         default:
+00413                 break;
+00414         }
+00415 
+00416         if (eEncoding != encoding_utf_8) {
+00417                 /* Latin characters in an oriental text */
+00418                 if (usChar >= 0xff01 && usChar <= 0xff5e) {
+00419                         usChar -= 0xfee0;
+00420                 }
+00421         }
+00422 
+00423         if (eEncoding == encoding_latin_1 &&
+00424             (eConversionType == conversion_ps ||
+00425              eConversionType == conversion_pdf)) {
+00426                 /* Ugly, but it makes the PostScript and PDF look better */
+00427                 switch (usChar) {
+00428                 case UNICODE_ELLIPSIS:
+00429                         return 140;
+00430                 case UNICODE_TRADEMARK_SIGN:
+00431                         return 141;
+00432                 case UNICODE_PER_MILLE_SIGN:
+00433                         return 142;
+00434                 case UNICODE_BULLET:
+00435                 case UNICODE_BULLET_OPERATOR:
+00436                 case UNICODE_BLACK_CLUB_SUIT:
+00437                         return 143;
+00438                 case UNICODE_LEFT_SINGLE_QMARK:
+00439                         return 144;
+00440                 case UNICODE_RIGHT_SINGLE_QMARK:
+00441                         return 145;
+00442                 case UNICODE_SINGLE_LEFT_ANGLE_QMARK:
+00443                         return 146;
+00444                 case UNICODE_SINGLE_RIGHT_ANGLE_QMARK:
+00445                         return 147;
+00446                 case UNICODE_LEFT_DOUBLE_QMARK:
+00447                         return 148;
+00448                 case UNICODE_RIGHT_DOUBLE_QMARK:
+00449                         return 149;
+00450                 case UNICODE_DOUBLE_LOW_9_QMARK:
+00451                         return 150;
+00452                 case UNICODE_EN_DASH:
+00453                         return 151;
+00454                 case UNICODE_EM_DASH:
+00455                         return 152;
+00456                 case UNICODE_MINUS_SIGN:
+00457                         return 153;
+00458                 case UNICODE_CAPITAL_LIGATURE_OE:
+00459                         return 154;
+00460                 case UNICODE_SMALL_LIGATURE_OE:
+00461                         return 155;
+00462                 case UNICODE_DAGGER:
+00463                         return 156;
+00464                 case UNICODE_DOUBLE_DAGGER:
+00465                         return 157;
+00466                 case UNICODE_SMALL_LIGATURE_FI:
+00467                         return 158;
+00468                 case UNICODE_SMALL_LIGATURE_FL:
+00469                         return 159;
+00470                 default:
+00471                         break;
+00472                 }
+00473         }
+00474 
+00475         if (eConversionType == conversion_pdf) {
+00476                 if (eEncoding == encoding_latin_1) {
+00477                         switch (usChar) {
+00478                         case UNICODE_EURO_SIGN:
+00479                                 return 128;
+00480                         default:
+00481                                 break;
+00482                         }
+00483                 } else if (eEncoding == encoding_latin_2) {
+00484                         switch (usChar) {
+00485                         case UNICODE_CAPITAL_D_WITH_STROKE:
+00486                         case UNICODE_SMALL_D_WITH_STROKE:
+00487                                 return 0x3f;
+00488                         default:
+00489                                 break;
+00490                         }
+00491                 }
+00492         }
+00493 
+00494         if (usChar < 0x80) {
+00495                 /* US ASCII */
+00496                 if (usChar < 0x20 || usChar == 0x7f) {
+00497                         /* Ignore control characters */
+00498                         DBG_HEX(usChar);
+00499                         DBG_FIXME();
+00500                         return IGNORE_CHARACTER;
+00501                 }
+00502                 return (ULONG)usChar;
+00503         }
+00504 
+00505         if (eEncoding == encoding_utf_8) {
+00506                 /* No need to convert Unicode characters */
+00507                 return (ULONG)usChar;
+00508         }
+00509 
+00510         /* Unicode to local representation */
+00511         pTmp = pGetCharTableRecord(usChar);
+00512         if (pTmp != NULL) {
+00513                 DBG_HEX_C(usChar >= 0x7f && usChar <= 0x9f, usChar);
+00514                 return (ULONG)pTmp->ucLocal;
+00515         }
+00516 
+00517         /* Fancy characters to simple US ASCII */
+00518         switch (usChar) {
+00519         case UNICODE_SMALL_F_HOOK:
+00520                 return (ULONG)'f';
+00521         case UNICODE_GREEK_CAPITAL_CHI:
+00522                 return (ULONG)'X';
+00523         case UNICODE_GREEK_SMALL_UPSILON:
+00524                 return (ULONG)'v';
+00525         case UNICODE_MODIFIER_CIRCUMFLEX:
+00526         case UNICODE_UPWARDS_ARROW:
+00527                 return (ULONG)'^';
+00528         case UNICODE_SMALL_TILDE:
+00529         case UNICODE_TILDE_OPERATOR:
+00530                 return (ULONG)'~';
+00531         case UNICODE_EN_QUAD:
+00532         case UNICODE_EM_QUAD:
+00533         case UNICODE_EN_SPACE:
+00534         case UNICODE_EM_SPACE:
+00535         case UNICODE_THREE_PER_EM_SPACE:
+00536         case UNICODE_FOUR_PER_EM_SPACE:
+00537         case UNICODE_SIX_PER_EM_SPACE:
+00538         case UNICODE_FIGURE_SPACE:
+00539         case UNICODE_PUNCTUATION_SPACE:
+00540         case UNICODE_THIN_SPACE:
+00541         case UNICODE_NARROW_NO_BREAK_SPACE:
+00542         case UNICODE_LIGHT_SHADE:
+00543         case UNICODE_MEDIUM_SHADE:
+00544         case UNICODE_DARK_SHADE:
+00545                 return (ULONG)' ';
+00546         case UNICODE_LEFT_DOUBLE_QMARK:
+00547         case UNICODE_RIGHT_DOUBLE_QMARK:
+00548         case UNICODE_DOUBLE_LOW_9_QMARK:
+00549         case UNICODE_DOUBLE_HIGH_REV_9_QMARK:
+00550         case UNICODE_DOUBLE_PRIME:
+00551                 return (ULONG)'"';
+00552         case UNICODE_LEFT_SINGLE_QMARK:
+00553         case UNICODE_RIGHT_SINGLE_QMARK:
+00554         case UNICODE_SINGLE_LOW_9_QMARK:
+00555         case UNICODE_SINGLE_HIGH_REV_9_QMARK:
+00556         case UNICODE_PRIME:
+00557                 return (ULONG)'\'';
+00558         case UNICODE_HYPHEN:
+00559         case UNICODE_NON_BREAKING_HYPHEN:
+00560         case UNICODE_FIGURE_DASH:
+00561         case UNICODE_EN_DASH:
+00562         case UNICODE_EM_DASH:
+00563         case UNICODE_HORIZONTAL_BAR:
+00564         case UNICODE_MINUS_SIGN:
+00565         case UNICODE_BD_LIGHT_HORIZONTAL:
+00566         case UNICODE_BD_DOUBLE_HORIZONTAL:
+00567                 return (ULONG)'-';
+00568         case UNICODE_DOUBLE_VERTICAL_LINE:
+00569         case UNICODE_BD_LIGHT_VERTICAL:
+00570         case UNICODE_BD_DOUBLE_VERTICAL:
+00571                 return (ULONG)'|';
+00572         case UNICODE_DOUBLE_LOW_LINE:
+00573                 return (ULONG)'_';
+00574         case UNICODE_DAGGER:
+00575                 return (ULONG)'+';
+00576         case UNICODE_DOUBLE_DAGGER:
+00577                 return (ULONG)'#';
+00578         case UNICODE_BULLET:
+00579         case UNICODE_BULLET_OPERATOR:
+00580         case UNICODE_BLACK_CLUB_SUIT:
+00581                 return (ULONG)ucGetBulletCharacter(eConversionType, eEncoding);
+00582         case UNICODE_ONE_DOT_LEADER:
+00583         case UNICODE_TWO_DOT_LEADER:
+00584                 return (ULONG)'.';
+00585         case UNICODE_ELLIPSIS:
+00586 #if defined(__riscos)
+00587                 return (ULONG)OUR_ELLIPSIS;
+00588 #else
+00589                 if (ulFileOffset == 0) {
+00590                         return (ULONG)OUR_ELLIPSIS;
+00591                 }
+00592                 return UNICODE_ELLIPSIS;
+00593 #endif /* __riscos */
+00594         case UNICODE_DOUBLE_LEFT_ANGLE_QMARK:
+00595         case UNICODE_TRIANGULAR_BULLET:
+00596         case UNICODE_SINGLE_LEFT_ANGLE_QMARK:
+00597         case UNICODE_LEFTWARDS_ARROW:
+00598                 return (ULONG)'<';
+00599         case UNICODE_DOUBLE_RIGHT_ANGLE_QMARK:
+00600         case UNICODE_SINGLE_RIGHT_ANGLE_QMARK:
+00601         case UNICODE_RIGHTWARDS_ARROW:
+00602                 return (ULONG)'>';
+00603         case UNICODE_UNDERTIE:
+00604                 return (ULONG)'-';
+00605         case UNICODE_N_ARY_SUMMATION:
+00606                 return (ULONG)'S';
+00607         case UNICODE_EURO_SIGN:
+00608                 return (ULONG)'E';
+00609         case UNICODE_CIRCLE:
+00610         case UNICODE_SQUARE:
+00611                 return (ULONG)'O';
+00612         case UNICODE_DIAMOND:
+00613                 return (ULONG)OUR_DIAMOND;
+00614         case UNICODE_NUMERO_SIGN:
+00615                 return (ULONG)'N';
+00616         case UNICODE_KELVIN_SIGN:
+00617                 return (ULONG)'K';
+00618         case UNICODE_DOWNWARDS_ARROW:
+00619                 return (ULONG)'v';
+00620         case UNICODE_FRACTION_SLASH:
+00621         case UNICODE_DIVISION_SLASH:
+00622                 return (ULONG)'/';
+00623         case UNICODE_ASTERISK_OPERATOR:
+00624                 return (ULONG)'*';
+00625         case UNICODE_RATIO:
+00626                 return (ULONG)':';
+00627         case UNICODE_BD_LIGHT_DOWN_RIGHT:
+00628         case UNICODE_BD_LIGHT_DOWN_AND_LEFT:
+00629         case UNICODE_BD_LIGHT_UP_AND_RIGHT:
+00630         case UNICODE_BD_LIGHT_UP_AND_LEFT:
+00631         case UNICODE_BD_LIGHT_VERTICAL_AND_RIGHT:
+00632         case UNICODE_BD_LIGHT_VERTICAL_AND_LEFT:
+00633         case UNICODE_BD_LIGHT_DOWN_AND_HORIZONTAL:
+00634         case UNICODE_BD_LIGHT_UP_AND_HORIZONTAL:
+00635         case UNICODE_BD_LIGHT_VERTICAL_AND_HORIZONTAL:
+00636         case UNICODE_BD_DOUBLE_DOWN_AND_RIGHT:
+00637         case UNICODE_BD_DOUBLE_DOWN_AND_LEFT:
+00638         case UNICODE_BD_DOUBLE_UP_AND_RIGHT:
+00639         case UNICODE_BD_DOUBLE_UP_AND_LEFT:
+00640         case UNICODE_BD_DOUBLE_VERTICAL_AND_RIGHT:
+00641         case UNICODE_BD_DOUBLE_VERTICAL_AND_LEFT:
+00642         case UNICODE_BD_DOUBLE_DOWN_AND_HORIZONTAL:
+00643         case UNICODE_BD_DOUBLE_UP_AND_HORIZONTAL:
+00644         case UNICODE_BD_DOUBLE_VERTICAL_AND_HORIZONTAL:
+00645         case UNICODE_BLACK_SQUARE:
+00646                 return (ULONG)'+';
+00647         case UNICODE_HAIR_SPACE:
+00648         case UNICODE_ZERO_WIDTH_SPACE:
+00649         case UNICODE_ZERO_WIDTH_NON_JOINER:
+00650         case UNICODE_ZERO_WIDTH_JOINER:
+00651         case UNICODE_LEFT_TO_RIGHT_MARK:
+00652         case UNICODE_RIGHT_TO_LEFT_MARK:
+00653         case UNICODE_LEFT_TO_RIGHT_EMBEDDING:
+00654         case UNICODE_RIGHT_TO_LEFT_EMBEDDING:
+00655         case UNICODE_POP_DIRECTIONAL_FORMATTING:
+00656         case UNICODE_LEFT_TO_RIGHT_OVERRIDE:
+00657         case UNICODE_RIGHT_TO_LEFT_OVERRIDE:
+00658         case UNICODE_ZERO_WIDTH_NO_BREAK_SPACE:
+00659                 return IGNORE_CHARACTER;
+00660         default:
+00661                 break;
+00662         }
+00663 
+00664         if (usChar == UNICODE_TRADEMARK_SIGN) {
+00665                 /*
+00666                  * No local representation, it doesn't look like anything in
+00667                  * US-ASCII and a question mark does more harm than good.
+00668                  */
+00669                 return IGNORE_CHARACTER;
+00670         }
+00671 
+00672         if (usChar >= 0xa0 && usChar <= 0xff) {
+00673                 /* Before Word 97, Word did't use Unicode */
+00674                 return (ULONG)usChar;
+00675         }
+00676 
+00677         DBG_HEX_C(usChar < 0x3000 || usChar >= 0xd800, ulFileOffset);
+00678         DBG_HEX_C(usChar < 0x3000 || usChar >= 0xd800, usChar);
+00679         DBG_MSG_C(usChar >= 0xe000 && usChar < 0xf900, "Private Use Area");
+00680 
+00681         /* Untranslated Unicode character */
+00682         return 0x3f;
+00683 } /* end of ulTranslateCharacters */
+00684 
+00685 /*
+00686  * ulToUpper - convert letter to upper case
+00687  *
+00688  * This function converts a letter to upper case. Unlike toupper(3) this
+00689  * function is independent from the settings of locale. This comes in handy
+00690  * for people who have to read Word documents in more than one language or
+00691  * contain more than one language.
+00692  *
+00693  * returns the converted letter, or ulChar if the conversion was not possible.
+00694  */
+00695 ULONG
+00696 ulToUpper(ULONG ulChar)
+00697 {
+00698         if (ulChar < 0x80) {
+00699                 /* US ASCII: use standard function */
+00700                 return (ULONG)toupper((int)ulChar);
+00701         }
+00702         if (ulChar >= 0xe0 && ulChar <= 0xfe && ulChar != 0xf7) {
+00703                 /*
+00704                  * Lower case accented characters
+00705                  * 0xf7 is Division sign; 0xd7 is Multiplication sign
+00706                  * 0xff is y with diaeresis; 0xdf is Sharp s
+00707                  */
+00708                 return ulChar & ~0x20;
+00709         }
+00710 #if defined(__STDC_ISO_10646__)
+00711         /*
+00712          * If this is ISO C99 and all locales have wchar_t = ISO 10646
+00713          * (e.g., glibc 2.2 or newer), then use standard function
+00714          */
+00715         if (ulChar > 0xff) {
+00716                 return (ULONG)towupper((wint_t)ulChar);
+00717         }
+00718 #endif /* __STDC_ISO_10646__ */
+00719         return ulChar;
+00720 } /* end of ulToUpper */
+