--- /dev/null
+/*
+ * Copyright (C) 1995-2008, Index Data ApS
+ * See the file LICENSE for details.
+ *
+ * $Id: siconv.c,v 1.50 2008-03-12 08:53:28 adam Exp $
+ */
+/**
+ * \file
+ * \brief ISO-5428 character mapping (iconv)
+ */
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <assert.h>
+#include <errno.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "iconv-p.h"
+
+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)
+ {
+ yaz_iconv_set_errno(cd, 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;
+}
+
+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)
+ {
+ yaz_iconv_set_errno(cd, 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)
+ {
+ yaz_iconv_set_errno(cd, YAZ_ICONV_EILSEQ);
+ return (size_t) -1;
+ }
+ out[k++] = x;
+ break;
+ }
+ *outbytesleft -= k;
+ (*outbuf) += k;
+ return 0;
+}
+
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
projects / yaz-moved-to-github.git / blobdiff