-static unsigned long yaz_read_ISO8859_1 (yaz_iconv_t cd, unsigned char *inp,
- size_t inbytesleft, size_t *no_read)
-{
- unsigned long x = inp[0];
- *no_read = 1;
- return x;
-}
-
-
-static size_t yaz_init_UTF8 (yaz_iconv_t cd, unsigned char *inp,
- size_t inbytesleft, size_t *no_read)
-{
- if (inp[0] != 0xef)
- {
- *no_read = 0;
- return 0;
- }
- if (inbytesleft < 3)
- {
- cd->my_errno = YAZ_ICONV_EINVAL;
- return (size_t) -1;
- }
- if (inp[1] != 0xbb && inp[2] == 0xbf)
- *no_read = 3;
- else
- *no_read = 0;
- return 0;
-}
-
-unsigned long yaz_read_UTF8_char(unsigned char *inp,
- size_t inbytesleft, size_t *no_read,
- int *error)
-{
- unsigned long x = 0;
-
- *no_read = 0; /* by default */
- if (inp[0] <= 0x7f)
- {
- x = inp[0];
- *no_read = 1;
- }
- else if (inp[0] <= 0xbf || inp[0] >= 0xfe)
- {
- *error = YAZ_ICONV_EILSEQ;
- }
- else if (inp[0] <= 0xdf && inbytesleft >= 2)
- {
- if ((inp[1] & 0xc0) == 0x80)
- {
- x = ((inp[0] & 0x1f) << 6) | (inp[1] & 0x3f);
- if (x >= 0x80)
- *no_read = 2;
- else
- *error = YAZ_ICONV_EILSEQ;
- }
- else
- *error = YAZ_ICONV_EILSEQ;
- }
- else if (inp[0] <= 0xef && inbytesleft >= 3)
- {
- if ((inp[1] & 0xc0) == 0x80 && (inp[2] & 0xc0) == 0x80)
- {
- x = ((inp[0] & 0x0f) << 12) | ((inp[1] & 0x3f) << 6) |
- (inp[2] & 0x3f);
- if (x >= 0x800)
- *no_read = 3;
- else
- *error = YAZ_ICONV_EILSEQ;
- }
- else
- *error = YAZ_ICONV_EILSEQ;
- }
- else if (inp[0] <= 0xf7 && inbytesleft >= 4)
- {
- if ((inp[1] & 0xc0) == 0x80 && (inp[2] & 0xc0) == 0x80
- && (inp[3] & 0xc0) == 0x80)
- {
- x = ((inp[0] & 0x07) << 18) | ((inp[1] & 0x3f) << 12) |
- ((inp[2] & 0x3f) << 6) | (inp[3] & 0x3f);
- if (x >= 0x10000)
- *no_read = 4;
- else
- *error = YAZ_ICONV_EILSEQ;
- }
- else
- *error = YAZ_ICONV_EILSEQ;
- }
- else if (inp[0] <= 0xfb && inbytesleft >= 5)
- {
- if ((inp[1] & 0xc0) == 0x80 && (inp[2] & 0xc0) == 0x80
- && (inp[3] & 0xc0) == 0x80 && (inp[4] & 0xc0) == 0x80)
- {
- x = ((inp[0] & 0x03) << 24) | ((inp[1] & 0x3f) << 18) |
- ((inp[2] & 0x3f) << 12) | ((inp[3] & 0x3f) << 6) |
- (inp[4] & 0x3f);
- if (x >= 0x200000)
- *no_read = 5;
- else
- *error = YAZ_ICONV_EILSEQ;
- }
- else
- *error = YAZ_ICONV_EILSEQ;
- }
- else if (inp[0] <= 0xfd && inbytesleft >= 6)
- {
- if ((inp[1] & 0xc0) == 0x80 && (inp[2] & 0xc0) == 0x80
- && (inp[3] & 0xc0) == 0x80 && (inp[4] & 0xc0) == 0x80
- && (inp[5] & 0xc0) == 0x80)
- {
- x = ((inp[0] & 0x01) << 30) | ((inp[1] & 0x3f) << 24) |
- ((inp[2] & 0x3f) << 18) | ((inp[3] & 0x3f) << 12) |
- ((inp[4] & 0x3f) << 6) | (inp[5] & 0x3f);
- if (x >= 0x4000000)
- *no_read = 6;
- else
- *error = YAZ_ICONV_EILSEQ;
- }
- else
- *error = YAZ_ICONV_EILSEQ;
- }
- else
- *error = YAZ_ICONV_EINVAL; /* incomplete sentence */
-
- return x;
-}
-
-static unsigned long yaz_read_UTF8 (yaz_iconv_t cd, unsigned char *inp,
- size_t inbytesleft, size_t *no_read)
-{
- return yaz_read_UTF8_char(inp, inbytesleft, no_read, &cd->my_errno);
-}
-
-static unsigned long yaz_read_UCS4 (yaz_iconv_t cd, unsigned char *inp,
- size_t inbytesleft, size_t *no_read)
-{
- unsigned long x = 0;
-
- if (inbytesleft < 4)
- {
- cd->my_errno = YAZ_ICONV_EINVAL; /* incomplete input */
- *no_read = 0;
- }
- else
- {
- x = (inp[0]<<24) | (inp[1]<<16) | (inp[2]<<8) | inp[3];
- *no_read = 4;
- }
- return x;
-}
-
-static unsigned long yaz_read_UCS4LE (yaz_iconv_t cd, unsigned char *inp,
- size_t inbytesleft, size_t *no_read)
-{
- unsigned long x = 0;
-
- if (inbytesleft < 4)
- {
- cd->my_errno = YAZ_ICONV_EINVAL; /* incomplete input */
- *no_read = 0;
- }
- else
- {
- x = (inp[3]<<24) | (inp[2]<<16) | (inp[1]<<8) | inp[0];
- *no_read = 4;
- }
- return x;
-}
-
-#if HAVE_WCHAR_H
-static unsigned long yaz_read_wchar_t (yaz_iconv_t cd, unsigned char *inp,
- size_t inbytesleft, size_t *no_read)
-{
- unsigned long x = 0;
-
- if (inbytesleft < sizeof(wchar_t))
- {
- cd->my_errno = YAZ_ICONV_EINVAL; /* incomplete input */
- *no_read = 0;
- }
- else
- {
- wchar_t wch;
- memcpy (&wch, inp, sizeof(wch));
- x = wch;
- *no_read = sizeof(wch);
- }
- return x;
-}
-#endif
-
-static unsigned long yaz_read_iso5428_1984(yaz_iconv_t cd, unsigned char *inp,
- size_t inbytesleft, size_t *no_read)
-{
- unsigned long x = 0;
- int tonos = 0;
- int dialitika = 0;
-
- *no_read = 0;
- while (inbytesleft > 0)
- {
- if (*inp == 0xa2)
- {
- tonos = 1;
- }
- else if (*inp == 0xa3)
- {
- dialitika = 1;
- }
- else
- break;
- inp++;
- --inbytesleft;
- (*no_read)++;
- }
- if (inbytesleft == 0)
- {
- cd->my_errno = YAZ_ICONV_EINVAL; /* incomplete input */
- *no_read = 0;
- return 0;
- }
- switch (*inp) {
- case 0xe1: /* alpha small */
- if (tonos)
- x = 0x03ac;
- else
- x = 0x03b1;
- break;
- case 0xc1: /* alpha capital */
- if (tonos)
- x = 0x0386;
- else
- x = 0x0391;
- break;
-
- case 0xe2: /* Beta small */
- x = 0x03b2;
- break;
- case 0xc2: /* Beta capital */
- x = 0x0392;
- break;
-
- case 0xe4: /* Gamma small */
- x = 0x03b3;
- break;
- case 0xc4: /* Gamma capital */
- x = 0x0393;
- break;
-
- case 0xe5: /* Delta small */
- x = 0x03b4;
- break;
- case 0xc5: /* Delta capital */
- x = 0x0394;
- break;
- case 0xe6: /* epsilon small */
- if (tonos)
- x = 0x03ad;
- else
- x = 0x03b5;
- break;
- case 0xc6: /* epsilon capital */
- if (tonos)
- x = 0x0388;
- else
- x = 0x0395;
- break;
- case 0xe9: /* Zeta small */
- x = 0x03b6;
- break;
- case 0xc9: /* Zeta capital */
- x = 0x0396;
- break;
- case 0xea: /* Eta small */
- if (tonos)
- x = 0x03ae;
- else
- x = 0x03b7;
- break;
- case 0xca: /* Eta capital */
- if (tonos)
- x = 0x0389;
- else
- x = 0x0397;
- break;
- case 0xeb: /* Theta small */
- x = 0x03b8;
- break;
- case 0xcb: /* Theta capital */
- x = 0x0398;
- break;
- case 0xec: /* Iota small */
- if (tonos)
- if (dialitika)
- x = 0x0390;
- else
- x = 0x03af;
- else
- if (dialitika)
- x = 0x03ca;
- else
- x = 0x03b9;
- break;
- case 0xcc: /* Iota capital */
- if (tonos)
- x = 0x038a;
- else
- if (dialitika)
- x = 0x03aa;
- else
- x = 0x0399;
- break;
- case 0xed: /* Kappa small */
- x = 0x03ba;
- break;
- case 0xcd: /* Kappa capital */
- x = 0x039a;
- break;
- case 0xee: /* Lambda small */
- x = 0x03bb;
- break;
- case 0xce: /* Lambda capital */
- x = 0x039b;
- break;
- case 0xef: /* Mu small */
- x = 0x03bc;
- break;
- case 0xcf: /* Mu capital */
- x = 0x039c;
- break;
- case 0xf0: /* Nu small */
- x = 0x03bd;
- break;
- case 0xd0: /* Nu capital */
- x = 0x039d;
- break;
- case 0xf1: /* Xi small */
- x = 0x03be;
- break;
- case 0xd1: /* Xi capital */
- x = 0x039e;
- break;
- case 0xf2: /* Omicron small */
- if (tonos)
- x = 0x03cc;
- else
- x = 0x03bf;
- break;
- case 0xd2: /* Omicron capital */
- if (tonos)
- x = 0x038c;
- else
- x = 0x039f;
- break;
- case 0xf3: /* Pi small */
- x = 0x03c0;
- break;
- case 0xd3: /* Pi capital */
- x = 0x03a0;
- break;
- case 0xf5: /* Rho small */
- x = 0x03c1;
- break;
- case 0xd5: /* Rho capital */
- x = 0x03a1;
- break;
- case 0xf7: /* Sigma small (end of words) */
- x = 0x03c2;
- break;
- case 0xf6: /* Sigma small */
- x = 0x03c3;
- break;
- case 0xd6: /* Sigma capital */
- x = 0x03a3;
- break;
- case 0xf8: /* Tau small */
- x = 0x03c4;
- break;
- case 0xd8: /* Tau capital */
- x = 0x03a4;
- break;
- case 0xf9: /* Upsilon small */
- if (tonos)
- if (dialitika)
- x = 0x03b0;
- else
- x = 0x03cd;
- else
- if (dialitika)
- x = 0x03cb;
- else
- x = 0x03c5;
- break;
- case 0xd9: /* Upsilon capital */
- if (tonos)
- x = 0x038e;
- else
- if (dialitika)
- x = 0x03ab;
- else
- x = 0x03a5;
- break;
- case 0xfa: /* Phi small */
- x = 0x03c6;
- break;
- case 0xda: /* Phi capital */
- x = 0x03a6;
- break;
- case 0xfb: /* Chi small */
- x = 0x03c7;
- break;
- case 0xdb: /* Chi capital */
- x = 0x03a7;
- break;
- case 0xfc: /* Psi small */
- x = 0x03c8;
- break;
- case 0xdc: /* Psi capital */
- x = 0x03a8;
- break;
- case 0xfd: /* Omega small */
- if (tonos)
- x = 0x03ce;
- else
- x = 0x03c9;
- break;
- case 0xdd: /* Omega capital */
- if (tonos)
- x = 0x038f;
- else
- x = 0x03a9;
- break;
- default:
- x = *inp;
- break;
- }
- (*no_read)++;
-
- return x;
-}
-
-static size_t yaz_write_iso5428_1984(yaz_iconv_t cd, unsigned long x,
- char **outbuf, size_t *outbytesleft)
-{
- size_t k = 0;
- unsigned char *out = (unsigned char*) *outbuf;
- if (*outbytesleft < 3)
- {
- cd->my_errno = YAZ_ICONV_E2BIG; /* not room for output */
- return (size_t)(-1);
- }
- switch (x)
- {
- case 0x03ac : out[k++]=0xa2; out[k++]=0xe1; break;
- case 0x03b1 : out[k++]=0xe1; break;
- case 0x0386 : out[k++]=0xa2; out[k++]=0xc1; break;
- case 0x0391 : out[k++]=0xc1; break;
- case 0x03b2 : out[k++]=0xe2; break;
- case 0x0392 : out[k++]=0xc2; break;
- case 0x03b3 : out[k++]=0xe4; break;
- case 0x0393 : out[k++]=0xc4; break;
- case 0x03b4 : out[k++]=0xe5; break;
- case 0x0394 : out[k++]=0xc5; break;
- case 0x03ad : out[k++]=0xa2; out[k++]=0xe6; break;
- case 0x03b5 : out[k++]=0xe6; break;
- case 0x0388 : out[k++]=0xa2; out[k++]=0xc6; break;
- case 0x0395 : out[k++]=0xc6; break;
- case 0x03b6 : out[k++]=0xe9; break;
- case 0x0396 : out[k++]=0xc9; break;
- case 0x03ae : out[k++]=0xa2; out[k++]=0xea; break;
- case 0x03b7 : out[k++]=0xea; break;
- case 0x0389 : out[k++]=0xa2; out[k++]=0xca; break;
- case 0x0397 : out[k++]=0xca; break;
- case 0x03b8 : out[k++]=0xeb; break;
- case 0x0398 : out[k++]=0xcb; break;
- case 0x0390 : out[k++]=0xa2; out[k++]=0xa3; out[k++]=0xec; break;
- case 0x03af : out[k++]=0xa2; out[k++]=0xec; break;
- case 0x03ca : out[k++]=0xa3; out[k++]=0xec; break;
- case 0x03b9 : out[k++]=0xec; break;
- case 0x038a : out[k++]=0xa2; out[k++]=0xcc; break;
- case 0x03aa : out[k++]=0xa3; out[k++]=0xcc; break;
- case 0x0399 : out[k++]=0xcc; break;
- case 0x03ba : out[k++]=0xed; break;
- case 0x039a : out[k++]=0xcd; break;
- case 0x03bb : out[k++]=0xee; break;
- case 0x039b : out[k++]=0xce; break;
- case 0x03bc : out[k++]=0xef; break;
- case 0x039c : out[k++]=0xcf; break;
- case 0x03bd : out[k++]=0xf0; break;
- case 0x039d : out[k++]=0xd0; break;
- case 0x03be : out[k++]=0xf1; break;
- case 0x039e : out[k++]=0xd1; break;
- case 0x03cc : out[k++]=0xa2; out[k++]=0xf2; break;
- case 0x03bf : out[k++]=0xf2; break;
- case 0x038c : out[k++]=0xa2; out[k++]=0xd2; break;
- case 0x039f : out[k++]=0xd2; break;
- case 0x03c0 : out[k++]=0xf3; break;
- case 0x03a0 : out[k++]=0xd3; break;
- case 0x03c1 : out[k++]=0xf5; break;
- case 0x03a1 : out[k++]=0xd5; break;
- case 0x03c2 : out[k++]=0xf7; break;
- case 0x03c3 : out[k++]=0xf6; break;
- case 0x03a3 : out[k++]=0xd6; break;
- case 0x03c4 : out[k++]=0xf8; break;
- case 0x03a4 : out[k++]=0xd8; break;
- case 0x03b0 : out[k++]=0xa2; out[k++]=0xa3; out[k++]=0xf9; break;
- case 0x03cd : out[k++]=0xa2; out[k++]=0xf9; break;
- case 0x03cb : out[k++]=0xa3; out[k++]=0xf9; break;
- case 0x03c5 : out[k++]=0xf9; break;
- case 0x038e : out[k++]=0xa2; out[k++]=0xd9; break;
- case 0x03ab : out[k++]=0xa3; out[k++]=0xd9; break;
- case 0x03a5 : out[k++]=0xd9; break;
- case 0x03c6 : out[k++]=0xfa; break;
- case 0x03a6 : out[k++]=0xda; break;
- case 0x03c7 : out[k++]=0xfb; break;
- case 0x03a7 : out[k++]=0xdb; break;
- case 0x03c8 : out[k++]=0xfc; break;
- case 0x03a8 : out[k++]=0xdc; break;
- case 0x03ce : out[k++]=0xa2; out[k++]=0xfd; break;
- case 0x03c9 : out[k++]=0xfd; break;
- case 0x038f : out[k++]=0xa2; out[k++]=0xdd; break;
- case 0x03a9 : out[k++]=0xdd; break;
- default:
- if (x > 255)
- {
- cd->my_errno = YAZ_ICONV_EILSEQ;
- return (size_t) -1;
- }
- out[k++] = x;
- break;
- }
- *outbytesleft -= k;
- (*outbuf) += k;
- return 0;
-}
-
-static unsigned long yaz_read_advancegreek(yaz_iconv_t cd, unsigned char *inp,
- size_t inbytesleft, size_t *no_read)
-{
- unsigned long x = 0;
- int shift = 0;
- int tonos = 0;
- int dialitika = 0;
-
- *no_read = 0;
- while (inbytesleft > 0)
- {
- if (*inp == 0x9d)
- {
- tonos = 1;
- }
- else if (*inp == 0x9e)
- {
- dialitika = 1;
- }
- else if (*inp == 0x9f)
- {
- shift = 1;
- }
- else
- break;
- inp++;
- --inbytesleft;
- (*no_read)++;
- }
- if (inbytesleft == 0)
- {
- cd->my_errno = YAZ_ICONV_EINVAL; /* incomplete input */
- *no_read = 0;
- return 0;
- }
- switch (*inp) {
- case 0x81:
- if (shift)
- if (tonos)
- x = 0x0386;
- else
- x = 0x0391;
- else
- if (tonos)
- x = 0x03ac;
- else
- x = 0x03b1;
- break;
- case 0x82:
- if (shift)
- x = 0x0392;
- else
- x = 0x03b2;
-
- break;
- case 0x83:
- if (shift)
- x = 0x0393;
- else
- x = 0x03b3;
- break;
- case 0x84:
- if (shift)
- x = 0x0394;
- else
- x = 0x03b4;
- break;
- case 0x85:
- if (shift)
- if (tonos)
- x = 0x0388;
- else
- x = 0x0395;
- else
- if (tonos)
- x = 0x03ad;
- else
- x = 0x03b5;
- break;
- case 0x86:
- if (shift)
- x = 0x0396;
- else
- x = 0x03b6;
- break;
- case 0x87:
- if (shift)
- if (tonos)
- x = 0x0389;
- else
- x = 0x0397;
- else
- if (tonos)
- x = 0x03ae;
- else
- x = 0x03b7;
- break;
- case 0x88:
- if (shift)
- x = 0x0398;
- else
- x = 0x03b8;
- break;
- case 0x89:
- if (shift)
- if (tonos)
- x = 0x038a;
- else
- if (dialitika)
- x = 0x03aa;
- else
- x = 0x0399;
- else
- if (tonos)
- if (dialitika)
- x = 0x0390;
- else
- x = 0x03af;
-
- else
- if (dialitika)
- x = 0x03ca;
- else
- x = 0x03b9;
- break;
- case 0x8a:
- if (shift)
- x = 0x039a;
- else
- x = 0x03ba;
-
- break;
- case 0x8b:
- if (shift)
- x = 0x039b;
- else
- x = 0x03bb;
- break;
- case 0x8c:
- if (shift)
- x = 0x039c;
- else
- x = 0x03bc;
-
- break;
- case 0x8d:
- if (shift)
- x = 0x039d;
- else
- x = 0x03bd;
- break;
- case 0x8e:
- if (shift)
- x = 0x039e;
- else
- x = 0x03be;
- break;
- case 0x8f:
- if (shift)
- if (tonos)
- x = 0x038c;
- else
- x = 0x039f;
- else
- if (tonos)
- x = 0x03cc;
- else
- x = 0x03bf;
- break;
- case 0x90:
- if (shift)
- x = 0x03a0;
- else
- x = 0x03c0;
- break;
- case 0x91:
- if (shift)
- x = 0x03a1;
- else
- x = 0x03c1;
- break;
- case 0x92:
- x = 0x03c2;
- break;
- case 0x93:
- if (shift)
- x = 0x03a3;
- else
- x = 0x03c3;
- break;
- case 0x94:
- if (shift)
- x = 0x03a4;
- else
- x = 0x03c4;
- break;
- case 0x95:
- if (shift)
- if (tonos)
- x = 0x038e;
- else
- if (dialitika)
- x = 0x03ab;
- else
- x = 0x03a5;
- else
- if (tonos)
- if (dialitika)
- x = 0x03b0;
- else
- x = 0x03cd;
-
- else
- if (dialitika)
- x = 0x03cb;
- else
- x = 0x03c5;
- break;
- case 0x96:
- if (shift)
- x = 0x03a6;
- else
- x = 0x03c6;
- break;
- case 0x97:
- if (shift)
- x = 0x03a7;
- else
- x = 0x03c7;
- break;
- case 0x98:
- if (shift)
- x = 0x03a8;
- else
- x = 0x03c8;
-
- break;
-
- case 0x99:
- if (shift)
- if (tonos)
- x = 0x038f;
- else
- x = 0x03a9;
- else
- if (tonos)
- x = 0x03ce;
- else
- x = 0x03c9;
- break;
- default:
- x = *inp;
- break;
- }
- (*no_read)++;
-
- return x;
-}
-
-static size_t yaz_write_advancegreek(yaz_iconv_t cd, unsigned long x,
- char **outbuf, size_t *outbytesleft)
-{
- size_t k = 0;
- unsigned char *out = (unsigned char*) *outbuf;
- if (*outbytesleft < 3)
- {
- cd->my_errno = YAZ_ICONV_E2BIG; /* not room for output */
- return (size_t)(-1);
- }
- switch (x)
- {
- case 0x03ac : out[k++]=0x9d; out[k++]=0x81; break;
- case 0x03ad : out[k++]=0x9d; out[k++]=0x85; break;
- case 0x03ae : out[k++]=0x9d; out[k++]=0x87; break;
- case 0x03af : out[k++]=0x9d; out[k++]=0x89; break;
- case 0x03cc : out[k++]=0x9d; out[k++]=0x8f; break;
- case 0x03cd : out[k++]=0x9d; out[k++]=0x95; break;
- case 0x03ce : out[k++]=0x9d; out[k++]=0x99; break;
- case 0x0390 : out[k++]=0x9d; out[k++]=0x9e; out[k++]=0x89; break;
- case 0x03b0 : out[k++]=0x9d; out[k++]=0x9e; out[k++]=0x95; break;
- case 0x0386 : out[k++]=0x9d; out[k++]=0x9f; out[k++]=0x81; break;
- case 0x0388 : out[k++]=0x9d; out[k++]=0x9f; out[k++]=0x85; break;
- case 0x0389 : out[k++]=0x9d; out[k++]=0x9f; out[k++]=0x87; break;
- case 0x038a : out[k++]=0x9d; out[k++]=0x9f; out[k++]=0x89; break;
- case 0x038c : out[k++]=0x9d; out[k++]=0x9f; out[k++]=0x8f; break;
- case 0x038e : out[k++]=0x9d; out[k++]=0x9f; out[k++]=0x95; break;
- case 0x038f : out[k++]=0x9d; out[k++]=0x9f; out[k++]=0x99; break;
- case 0x03ca : out[k++]=0x9e; out[k++]=0x89; break;
- case 0x03cb : out[k++]=0x9e; out[k++]=0x95; break;
- case 0x03aa : out[k++]=0x9e; out[k++]=0x9f; out[k++]=0x89; break;
- case 0x03ab : out[k++]=0x9e; out[k++]=0x9f; out[k++]=0x95; break;
- case 0x0391 : out[k++]=0x9f; out[k++]=0x81; break;
- case 0x0392 : out[k++]=0x9f; out[k++]=0x82; break;
- case 0x0393 : out[k++]=0x9f; out[k++]=0x83; break;
- case 0x0394 : out[k++]=0x9f; out[k++]=0x84; break;
- case 0x0395 : out[k++]=0x9f; out[k++]=0x85; break;
- case 0x0396 : out[k++]=0x9f; out[k++]=0x86; break;
- case 0x0397 : out[k++]=0x9f; out[k++]=0x87; break;
- case 0x0398 : out[k++]=0x9f; out[k++]=0x88; break;
- case 0x0399 : out[k++]=0x9f; out[k++]=0x89; break;
- case 0x039a : out[k++]=0x9f; out[k++]=0x8a; break;
- case 0x039b : out[k++]=0x9f; out[k++]=0x8b; break;
- case 0x039c : out[k++]=0x9f; out[k++]=0x8c; break;
- case 0x039d : out[k++]=0x9f; out[k++]=0x8d; break;
- case 0x039e : out[k++]=0x9f; out[k++]=0x8e; break;
- case 0x039f : out[k++]=0x9f; out[k++]=0x8f; break;
- case 0x03a0 : out[k++]=0x9f; out[k++]=0x90; break;
- case 0x03a1 : out[k++]=0x9f; out[k++]=0x91; break;
- case 0x03a3 : out[k++]=0x9f; out[k++]=0x93; break;
- case 0x03a4 : out[k++]=0x9f; out[k++]=0x94; break;
- case 0x03a5 : out[k++]=0x9f; out[k++]=0x95; break;
- case 0x03a6 : out[k++]=0x9f; out[k++]=0x96; break;
- case 0x03a7 : out[k++]=0x9f; out[k++]=0x97; break;
- case 0x03a8 : out[k++]=0x9f; out[k++]=0x98; break;
- case 0x03a9 : out[k++]=0x9f; out[k++]=0x99; break;
- case 0x03b1 : out[k++]=0x81; break;
- case 0x03b2 : out[k++]=0x82; break;
- case 0x03b3 : out[k++]=0x83; break;
- case 0x03b4 : out[k++]=0x84; break;
- case 0x03b5 : out[k++]=0x85; break;
- case 0x03b6 : out[k++]=0x86; break;
- case 0x03b7 : out[k++]=0x87; break;
- case 0x03b8 : out[k++]=0x88; break;
- case 0x03b9 : out[k++]=0x89; break;
- case 0x03ba : out[k++]=0x8a; break;
- case 0x03bb : out[k++]=0x8b; break;
- case 0x03bc : out[k++]=0x8c; break;
- case 0x03bd : out[k++]=0x8d; break;
- case 0x03be : out[k++]=0x8e; break;
- case 0x03bf : out[k++]=0x8f; break;
- case 0x03c0 : out[k++]=0x90; break;
- case 0x03c1 : out[k++]=0x91; break;
- case 0x03c2 : out[k++]=0x92; break;
- case 0x03c3 : out[k++]=0x93; break;
- case 0x03c4 : out[k++]=0x94; break;
- case 0x03c5 : out[k++]=0x95; break;
- case 0x03c6 : out[k++]=0x96; break;
- case 0x03c7 : out[k++]=0x96; break;
- case 0x03c8 : out[k++]=0x98; break;
- case 0x03c9 : out[k++]=0x99; break;
- default:
- if (x > 255)
- {
- cd->my_errno = YAZ_ICONV_EILSEQ;
- return (size_t) -1;
- }
- out[k++] = x;
- break;
- }
- *outbytesleft -= k;
- (*outbuf) += k;
- return 0;
-}
-
-
-static unsigned long yaz_read_marc8_comb (yaz_iconv_t cd, unsigned char *inp,
- size_t inbytesleft, size_t *no_read,
- int *comb);
-
-static unsigned long yaz_read_marc8 (yaz_iconv_t cd, unsigned char *inp,
- size_t inbytesleft, size_t *no_read)
-{
- unsigned long x;
- if (cd->comb_offset < cd->comb_size)
- {
- *no_read = cd->comb_no_read[cd->comb_offset];
- x = cd->comb_x[cd->comb_offset];
-
- /* special case for double-diacritic combining characters,
- INVERTED BREVE and DOUBLE TILDE.
- We'll increment the no_read counter by 1, since we want to skip over
- the processing of the closing ligature character
- */
- /* this code is no longer necessary.. our handlers code in
- yaz_marc8_?_conv (generated by charconv.tcl) now returns
- 0 and no_read=1 when a sequence does not match the input.
- The SECOND HALFs in codetables.xml produces a non-existant
- entry in the conversion trie.. Hence when met, the input byte is
- skipped as it should (in yaz_iconv)
- */
-#if 0
- if (x == 0x0361 || x == 0x0360)
- *no_read += 1;
-#endif
- cd->comb_offset++;
- return x;
- }
-
- cd->comb_offset = 0;
- for (cd->comb_size = 0; cd->comb_size < 8; cd->comb_size++)
- {
- int comb = 0;
-
- if (inbytesleft == 0 && cd->comb_size)
- {
- cd->my_errno = YAZ_ICONV_EINVAL;
- x = 0;
- *no_read = 0;
- break;
- }
- x = yaz_read_marc8_comb(cd, inp, inbytesleft, no_read, &comb);
- if (!comb || !x)
- break;
- cd->comb_x[cd->comb_size] = x;
- cd->comb_no_read[cd->comb_size] = *no_read;
- inp += *no_read;
- inbytesleft = inbytesleft - *no_read;
- }
- return x;
-}
-
-static unsigned long yaz_read_marc8s(yaz_iconv_t cd, unsigned char *inp,
- size_t inbytesleft, size_t *no_read)
-{
- unsigned long x = yaz_read_marc8(cd, inp, inbytesleft, no_read);
- if (x && cd->comb_size == 1)
- {
- /* For MARC8s we try to get a Latin-1 page code out of it */
- int i;
- for (i = 0; latin1_comb[i].x1; i++)
- if (cd->comb_x[0] == latin1_comb[i].x2 && x == latin1_comb[i].x1)
- {
- *no_read += cd->comb_no_read[0];
- cd->comb_size = 0;
- x = latin1_comb[i].y;
- break;
- }
- }
- return x;
-}
-
-static unsigned long yaz_read_marc8_comb(yaz_iconv_t cd, unsigned char *inp,
- size_t inbytesleft, size_t *no_read,
- int *comb)
-{
- *no_read = 0;
- while(inbytesleft >= 1 && inp[0] == 27)
- {
- size_t inbytesleft0 = inbytesleft;
- inp++;
- inbytesleft--;
- while(inbytesleft > 0 && strchr("(,$!)-", *inp))
- {
- inbytesleft--;
- inp++;
- }
- if (inbytesleft <= 0)
- {
- *no_read = 0;
- cd->my_errno = YAZ_ICONV_EINVAL;
- return 0;
- }
- cd->marc8_esc_mode = *inp++;
- inbytesleft--;
- (*no_read) += inbytesleft0 - inbytesleft;
- }
- if (inbytesleft <= 0)
- return 0;
- else
- {
- unsigned long x;
- size_t no_read_sub = 0;
- *comb = 0;
-
- switch(cd->marc8_esc_mode)
- {
- case 'B': /* Basic ASCII */
- case 'E': /* ANSEL */
- case 's': /* ASCII */
- x = yaz_marc8_1_conv(inp, inbytesleft, &no_read_sub, comb);
- break;
- case 'g': /* Greek */
- x = yaz_marc8_2_conv(inp, inbytesleft, &no_read_sub, comb);
- break;
- case 'b': /* Subscripts */
- x = yaz_marc8_3_conv(inp, inbytesleft, &no_read_sub, comb);
- break;
- case 'p': /* Superscripts */
- x = yaz_marc8_4_conv(inp, inbytesleft, &no_read_sub, comb);
- break;
- case '2': /* Basic Hebrew */
- x = yaz_marc8_5_conv(inp, inbytesleft, &no_read_sub, comb);
- break;
- case 'N': /* Basic Cyrillic */
- case 'Q': /* Extended Cyrillic */
- x = yaz_marc8_6_conv(inp, inbytesleft, &no_read_sub, comb);
- break;
- case '3': /* Basic Arabic */
- case '4': /* Extended Arabic */
- x = yaz_marc8_7_conv(inp, inbytesleft, &no_read_sub, comb);
- break;
- case 'S': /* Greek */
- x = yaz_marc8_8_conv(inp, inbytesleft, &no_read_sub, comb);
- break;
- case '1': /* Chinese, Japanese, Korean (EACC) */
- x = yaz_marc8_9_conv(inp, inbytesleft, &no_read_sub, comb);
- break;
- default:
- *no_read = 0;
- cd->my_errno = YAZ_ICONV_EILSEQ;
- return 0;
- }
- *no_read += no_read_sub;
- return x;
- }
-}
-
-static size_t yaz_write_UTF8(yaz_iconv_t cd, unsigned long x,
- char **outbuf, size_t *outbytesleft)
-{
- return yaz_write_UTF8_char(x, outbuf, outbytesleft, &cd->my_errno);
-}
-
-size_t yaz_write_UTF8_char(unsigned long x,
- char **outbuf, size_t *outbytesleft,
- int *error)
-{
- unsigned char *outp = (unsigned char *) *outbuf;
-
- if (x <= 0x7f && *outbytesleft >= 1)
- {
- *outp++ = (unsigned char) x;
- (*outbytesleft)--;
- }
- else if (x <= 0x7ff && *outbytesleft >= 2)
- {
- *outp++ = (unsigned char) ((x >> 6) | 0xc0);
- *outp++ = (unsigned char) ((x & 0x3f) | 0x80);
- (*outbytesleft) -= 2;
- }
- else if (x <= 0xffff && *outbytesleft >= 3)
- {
- *outp++ = (unsigned char) ((x >> 12) | 0xe0);
- *outp++ = (unsigned char) (((x >> 6) & 0x3f) | 0x80);
- *outp++ = (unsigned char) ((x & 0x3f) | 0x80);
- (*outbytesleft) -= 3;
- }
- else if (x <= 0x1fffff && *outbytesleft >= 4)
- {
- *outp++ = (unsigned char) ((x >> 18) | 0xf0);
- *outp++ = (unsigned char) (((x >> 12) & 0x3f) | 0x80);
- *outp++ = (unsigned char) (((x >> 6) & 0x3f) | 0x80);
- *outp++ = (unsigned char) ((x & 0x3f) | 0x80);
- (*outbytesleft) -= 4;
- }
- else if (x <= 0x3ffffff && *outbytesleft >= 5)
- {
- *outp++ = (unsigned char) ((x >> 24) | 0xf8);
- *outp++ = (unsigned char) (((x >> 18) & 0x3f) | 0x80);
- *outp++ = (unsigned char) (((x >> 12) & 0x3f) | 0x80);
- *outp++ = (unsigned char) (((x >> 6) & 0x3f) | 0x80);
- *outp++ = (unsigned char) ((x & 0x3f) | 0x80);
- (*outbytesleft) -= 5;
- }
- else if (*outbytesleft >= 6)
- {
- *outp++ = (unsigned char) ((x >> 30) | 0xfc);
- *outp++ = (unsigned char) (((x >> 24) & 0x3f) | 0x80);
- *outp++ = (unsigned char) (((x >> 18) & 0x3f) | 0x80);
- *outp++ = (unsigned char) (((x >> 12) & 0x3f) | 0x80);
- *outp++ = (unsigned char) (((x >> 6) & 0x3f) | 0x80);
- *outp++ = (unsigned char) ((x & 0x3f) | 0x80);
- (*outbytesleft) -= 6;
- }
- else
- {
- *error = YAZ_ICONV_E2BIG; /* not room for output */
- return (size_t)(-1);
- }
- *outbuf = (char *) outp;
- return 0;
-}