* Copyright (C) 1995-2007, Index Data ApS
* See the file LICENSE for details.
*
- * $Id: siconv.c,v 1.41 2007-05-23 08:50:11 adam Exp $
+ * $Id: siconv.c,v 1.48 2007-10-15 20:45:05 adam Exp $
*/
/**
* \file siconv.c
#include <yaz/yaz-util.h>
-unsigned long yaz_marc8_1_conv(unsigned char *inp, size_t inbytesleft,
+unsigned long yaz_marc8_42_conv(unsigned char *inp, size_t inbytesleft,
size_t *no_read, int *combining);
-unsigned long yaz_marc8_2_conv(unsigned char *inp, size_t inbytesleft,
+unsigned long yaz_marc8_45_conv(unsigned char *inp, size_t inbytesleft,
size_t *no_read, int *combining);
-unsigned long yaz_marc8_3_conv(unsigned char *inp, size_t inbytesleft,
+unsigned long yaz_marc8_67_conv(unsigned char *inp, size_t inbytesleft,
size_t *no_read, int *combining);
-unsigned long yaz_marc8_4_conv(unsigned char *inp, size_t inbytesleft,
+unsigned long yaz_marc8_62_conv(unsigned char *inp, size_t inbytesleft,
size_t *no_read, int *combining);
-unsigned long yaz_marc8_5_conv(unsigned char *inp, size_t inbytesleft,
+unsigned long yaz_marc8_70_conv(unsigned char *inp, size_t inbytesleft,
size_t *no_read, int *combining);
-unsigned long yaz_marc8_6_conv(unsigned char *inp, size_t inbytesleft,
+unsigned long yaz_marc8_32_conv(unsigned char *inp, size_t inbytesleft,
size_t *no_read, int *combining);
-unsigned long yaz_marc8_7_conv(unsigned char *inp, size_t inbytesleft,
+unsigned long yaz_marc8_4E_conv(unsigned char *inp, size_t inbytesleft,
size_t *no_read, int *combining);
-unsigned long yaz_marc8_8_conv(unsigned char *inp, size_t inbytesleft,
+unsigned long yaz_marc8_51_conv(unsigned char *inp, size_t inbytesleft,
size_t *no_read, int *combining);
-unsigned long yaz_marc8_9_conv(unsigned char *inp, size_t inbytesleft,
+unsigned long yaz_marc8_33_conv(unsigned char *inp, size_t inbytesleft,
+ size_t *no_read, int *combining);
+unsigned long yaz_marc8_34_conv(unsigned char *inp, size_t inbytesleft,
+ size_t *no_read, int *combining);
+unsigned long yaz_marc8_53_conv(unsigned char *inp, size_t inbytesleft,
+ size_t *no_read, int *combining);
+unsigned long yaz_marc8_31_conv(unsigned char *inp, size_t inbytesleft,
size_t *no_read, int *combining);
-unsigned long yaz_marc8r_1_conv(unsigned char *inp, size_t inbytesleft,
- size_t *no_read, int *combining);
-unsigned long yaz_marc8r_2_conv(unsigned char *inp, size_t inbytesleft,
- size_t *no_read, int *combining);
-unsigned long yaz_marc8r_3_conv(unsigned char *inp, size_t inbytesleft,
- size_t *no_read, int *combining);
-unsigned long yaz_marc8r_4_conv(unsigned char *inp, size_t inbytesleft,
- size_t *no_read, int *combining);
-unsigned long yaz_marc8r_5_conv(unsigned char *inp, size_t inbytesleft,
- size_t *no_read, int *combining);
-unsigned long yaz_marc8r_6_conv(unsigned char *inp, size_t inbytesleft,
- size_t *no_read, int *combining);
-unsigned long yaz_marc8r_7_conv(unsigned char *inp, size_t inbytesleft,
- size_t *no_read, int *combining);
-unsigned long yaz_marc8r_8_conv(unsigned char *inp, size_t inbytesleft,
- size_t *no_read, int *combining);
-unsigned long yaz_marc8r_9_conv(unsigned char *inp, size_t inbytesleft,
- size_t *no_read, int *combining);
+unsigned long yaz_marc8r_42_conv(unsigned char *inp, size_t inbytesleft,
+ size_t *no_read, int *combining);
+unsigned long yaz_marc8r_45_conv(unsigned char *inp, size_t inbytesleft,
+ size_t *no_read, int *combining);
+unsigned long yaz_marc8r_67_conv(unsigned char *inp, size_t inbytesleft,
+ size_t *no_read, int *combining);
+unsigned long yaz_marc8r_62_conv(unsigned char *inp, size_t inbytesleft,
+ size_t *no_read, int *combining);
+unsigned long yaz_marc8r_70_conv(unsigned char *inp, size_t inbytesleft,
+ size_t *no_read, int *combining);
+unsigned long yaz_marc8r_32_conv(unsigned char *inp, size_t inbytesleft,
+ size_t *no_read, int *combining);
+unsigned long yaz_marc8r_4E_conv(unsigned char *inp, size_t inbytesleft,
+ size_t *no_read, int *combining);
+unsigned long yaz_marc8r_51_conv(unsigned char *inp, size_t inbytesleft,
+ size_t *no_read, int *combining);
+unsigned long yaz_marc8r_33_conv(unsigned char *inp, size_t inbytesleft,
+ size_t *no_read, int *combining);
+unsigned long yaz_marc8r_34_conv(unsigned char *inp, size_t inbytesleft,
+ size_t *no_read, int *combining);
+unsigned long yaz_marc8r_53_conv(unsigned char *inp, size_t inbytesleft,
+ size_t *no_read, int *combining);
+unsigned long yaz_marc8r_31_conv(unsigned char *inp, size_t inbytesleft,
+ size_t *no_read, int *combining);
+
+#define ESC "\033"
struct yaz_iconv_struct {
int my_errno;
#endif
unsigned long compose_char;
- unsigned long write_marc8_comb_ch[8];
- size_t write_marc8_comb_no;
unsigned write_marc8_second_half_char;
unsigned long write_marc8_last;
- const char *write_marc8_page_chr;
+ const char *write_marc8_lpage;
+ const char *write_marc8_g0;
+ const char *write_marc8_g1;
};
static struct {
{ 0, 0, 0}
};
+static size_t yaz_write_marc8_page_chr(yaz_iconv_t cd,
+ char **outbuf, size_t *outbytesleft,
+ const char *page_chr);
+
static unsigned long yaz_read_ISO8859_1 (yaz_iconv_t cd, unsigned char *inp,
size_t inbytesleft, size_t *no_read)
{
}
if (inbytesleft <= 0)
return 0;
+ else if (*inp == ' ')
+ {
+ *no_read += 1;
+ return ' ';
+ }
else
{
unsigned long x;
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);
+ case 'E': /* ANSEL */
+ x = yaz_marc8_42_conv(inp, inbytesleft, &no_read_sub, comb);
+ if (!x)
+ {
+ no_read_sub = 0;
+ x = yaz_marc8_45_conv(inp, inbytesleft, &no_read_sub, comb);
+ }
break;
case 'g': /* Greek */
- x = yaz_marc8_2_conv(inp, inbytesleft, &no_read_sub, comb);
+ x = yaz_marc8_67_conv(inp, inbytesleft, &no_read_sub, comb);
break;
case 'b': /* Subscripts */
- x = yaz_marc8_3_conv(inp, inbytesleft, &no_read_sub, comb);
+ x = yaz_marc8_62_conv(inp, inbytesleft, &no_read_sub, comb);
break;
case 'p': /* Superscripts */
- x = yaz_marc8_4_conv(inp, inbytesleft, &no_read_sub, comb);
+ x = yaz_marc8_70_conv(inp, inbytesleft, &no_read_sub, comb);
break;
case '2': /* Basic Hebrew */
- x = yaz_marc8_5_conv(inp, inbytesleft, &no_read_sub, comb);
+ x = yaz_marc8_32_conv(inp, inbytesleft, &no_read_sub, comb);
break;
case 'N': /* Basic Cyrillic */
+ x = yaz_marc8_4E_conv(inp, inbytesleft, &no_read_sub, comb);
+ break;
case 'Q': /* Extended Cyrillic */
- x = yaz_marc8_6_conv(inp, inbytesleft, &no_read_sub, comb);
+ x = yaz_marc8_51_conv(inp, inbytesleft, &no_read_sub, comb);
break;
case '3': /* Basic Arabic */
+ x = yaz_marc8_33_conv(inp, inbytesleft, &no_read_sub, comb);
+ break;
case '4': /* Extended Arabic */
- x = yaz_marc8_7_conv(inp, inbytesleft, &no_read_sub, comb);
+ x = yaz_marc8_34_conv(inp, inbytesleft, &no_read_sub, comb);
break;
case 'S': /* Greek */
- x = yaz_marc8_8_conv(inp, inbytesleft, &no_read_sub, comb);
+ x = yaz_marc8_53_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);
+ x = yaz_marc8_31_conv(inp, inbytesleft, &no_read_sub, comb);
break;
default:
*no_read = 0;
*utf8_outbuf = '\0';
inp = (unsigned char *) utf8_buf;
inbytesleft = strlen(utf8_buf);
-
- x = yaz_marc8r_1_conv(inp, inbytesleft, &no_read_sub, comb);
+
+ x = yaz_marc8r_42_conv(inp, inbytesleft, &no_read_sub, comb);
+ if (x)
+ {
+ *page_chr = ESC "(B";
+ return x;
+ }
+ x = yaz_marc8r_45_conv(inp, inbytesleft, &no_read_sub, comb);
+ if (x)
+ {
+ *page_chr = ESC "(B";
+ return x;
+ }
+ x = yaz_marc8r_67_conv(inp, inbytesleft, &no_read_sub, comb);
if (x)
{
- *page_chr = "\033(B";
+ *page_chr = ESC "g";
return x;
}
- x = yaz_marc8r_2_conv(inp, inbytesleft, &no_read_sub, comb);
+ x = yaz_marc8r_62_conv(inp, inbytesleft, &no_read_sub, comb);
if (x)
{
- *page_chr = "\033g";
+ *page_chr = ESC "b";
return x;
}
- x = yaz_marc8r_3_conv(inp, inbytesleft, &no_read_sub, comb);
+ x = yaz_marc8r_70_conv(inp, inbytesleft, &no_read_sub, comb);
if (x)
{
- *page_chr = "\033b";
+ *page_chr = ESC "p";
return x;
}
- x = yaz_marc8r_4_conv(inp, inbytesleft, &no_read_sub, comb);
+ x = yaz_marc8r_32_conv(inp, inbytesleft, &no_read_sub, comb);
if (x)
{
- *page_chr = "\033p";
+ *page_chr = ESC "(2";
return x;
}
- x = yaz_marc8r_5_conv(inp, inbytesleft, &no_read_sub, comb);
+ x = yaz_marc8r_4E_conv(inp, inbytesleft, &no_read_sub, comb);
if (x)
{
- *page_chr = "\033(2";
+ *page_chr = ESC "(N";
return x;
}
- x = yaz_marc8r_6_conv(inp, inbytesleft, &no_read_sub, comb);
+ x = yaz_marc8r_51_conv(inp, inbytesleft, &no_read_sub, comb);
if (x)
{
- *page_chr = "\033(N";
+ *page_chr = ESC "(Q";
return x;
}
- x = yaz_marc8r_7_conv(inp, inbytesleft, &no_read_sub, comb);
+ x = yaz_marc8r_33_conv(inp, inbytesleft, &no_read_sub, comb);
if (x)
{
- *page_chr = "\033(3";
+ *page_chr = ESC "(3";
return x;
}
- x = yaz_marc8r_8_conv(inp, inbytesleft, &no_read_sub, comb);
+ x = yaz_marc8r_34_conv(inp, inbytesleft, &no_read_sub, comb);
if (x)
{
- *page_chr = "\033(S";
+ *page_chr = ESC "(4";
return x;
}
- x = yaz_marc8r_9_conv(inp, inbytesleft, &no_read_sub, comb);
+ x = yaz_marc8r_53_conv(inp, inbytesleft, &no_read_sub, comb);
if (x)
{
- *page_chr = "\033$1";
+ *page_chr = ESC "(S";
+ return x;
+ }
+ x = yaz_marc8r_31_conv(inp, inbytesleft, &no_read_sub, comb);
+ if (x)
+ {
+ *page_chr = ESC "$1";
return x;
}
cd->my_errno = YAZ_ICONV_EILSEQ;
{
unsigned long y = cd->write_marc8_last;
unsigned char byte;
- char out_buf[10];
- size_t i, out_no = 0;
+ char out_buf[4];
+ size_t out_no = 0;
if (!y)
return 0;
+ assert(cd->write_marc8_lpage);
+ if (cd->write_marc8_lpage)
+ {
+ size_t r = yaz_write_marc8_page_chr(cd, outbuf, outbytesleft,
+ cd->write_marc8_lpage);
+ if (r)
+ return r;
+ }
+
byte = (unsigned char )((y>>16) & 0xff);
if (byte)
out_buf[out_no++] = byte;
if (byte)
out_buf[out_no++] = byte;
- if (out_no + cd->write_marc8_comb_no + 1 > *outbytesleft)
+ if (out_no + 2 >= *outbytesleft)
{
cd->my_errno = YAZ_ICONV_E2BIG;
return (size_t) (-1);
}
- for (i = 0; i < cd->write_marc8_comb_no; i++)
- {
- /* all MARC-8 combined characters are simple bytes */
- byte = (unsigned char )(cd->write_marc8_comb_ch[i]);
- *(*outbuf)++ = byte;
- (*outbytesleft)--;
- }
memcpy(*outbuf, out_buf, out_no);
*outbuf += out_no;
(*outbytesleft) -= out_no;
}
cd->write_marc8_last = 0;
- cd->write_marc8_comb_no = 0;
+ cd->write_marc8_lpage = 0;
cd->write_marc8_second_half_char = 0;
return 0;
}
char **outbuf, size_t *outbytesleft,
const char *page_chr)
{
- const char *old_page_chr = cd->write_marc8_page_chr;
- if (strcmp(page_chr, old_page_chr))
+ const char **old_page_chr = &cd->write_marc8_g0;
+
+ /* are we going to a G1-set (such as such as ESC ")!E") */
+ if (page_chr && page_chr[1] == ')')
+ old_page_chr = &cd->write_marc8_g1;
+
+ if (!*old_page_chr || strcmp(page_chr, *old_page_chr))
{
size_t plen = 0;
const char *page_out = page_chr;
return (size_t) (-1);
}
- cd->write_marc8_page_chr = page_chr;
-
- if (!strcmp(old_page_chr, "\033p")
- || !strcmp(old_page_chr, "\033g")
- || !strcmp(old_page_chr, "\033b"))
+
+ if (*old_page_chr)
{
- /* Technique 1 leave */
- page_out = "\033s";
- if (strcmp(page_chr, "\033(B")) /* Not going ASCII page? */
+ if (!strcmp(*old_page_chr, ESC "p")
+ || !strcmp(*old_page_chr, ESC "g")
+ || !strcmp(*old_page_chr, ESC "b"))
{
- /* Must leave script + enter new page */
- plen = strlen(page_out);
- memcpy(*outbuf, page_out, plen);
- (*outbuf) += plen;
- (*outbytesleft) -= plen;
- page_out = page_chr;
+ page_out = ESC "s";
+ /* Technique 1 leave */
+ if (strcmp(page_chr, ESC "(B")) /* Not going ASCII page? */
+ {
+ /* Must leave script + enter new page */
+ plen = strlen(page_out);
+ memcpy(*outbuf, page_out, plen);
+ (*outbuf) += plen;
+ (*outbytesleft) -= plen;
+ page_out = ESC "(B";
+ }
}
}
+ *old_page_chr = page_chr;
plen = strlen(page_out);
memcpy(*outbuf, page_out, plen);
(*outbuf) += plen;
if (comb)
{
+ if (page_chr)
+ {
+ size_t r = yaz_write_marc8_page_chr(cd, outbuf, outbytesleft,
+ page_chr);
+ if (r)
+ return r;
+ }
if (x == 0x0361)
cd->write_marc8_second_half_char = 0xEC;
else if (x == 0x0360)
cd->write_marc8_second_half_char = 0xFB;
- if (cd->write_marc8_comb_no < 6)
- cd->write_marc8_comb_ch[cd->write_marc8_comb_no++] = y;
+ if (*outbytesleft <= 1)
+ {
+ cd->my_errno = YAZ_ICONV_E2BIG;
+ return (size_t) (-1);
+ }
+ *(*outbuf)++ = y;
+ (*outbytesleft)--;
}
else
{
if (r)
return r;
- r = yaz_write_marc8_page_chr(cd, outbuf, outbytesleft, page_chr);
- if (r)
- return r;
cd->write_marc8_last = y;
+ cd->write_marc8_lpage = page_chr;
}
return 0;
}
size_t r = flush_combos(cd, outbuf, outbytesleft);
if (r)
return r;
- return yaz_write_marc8_page_chr(cd, outbuf, outbytesleft, "\033(B");
+ cd->write_marc8_g1 = 0;
+ return yaz_write_marc8_page_chr(cd, outbuf, outbytesleft, ESC "(B");
}
static size_t yaz_write_marc8(yaz_iconv_t cd, unsigned long x,
char *outbuf0 = *outbuf;
size_t outbytesleft0 = *outbytesleft;
int last_ch = cd->write_marc8_last;
+ const char *lpage = cd->write_marc8_lpage;
r = yaz_write_marc8_2(cd, latin1_comb[i].x1,
outbuf, outbytesleft);
*outbuf = outbuf0;
*outbytesleft = outbytesleft0;
cd->write_marc8_last = last_ch;
+ cd->write_marc8_lpage = lpage;
}
return r;
}
cd->read_handle = yaz_read_advancegreek;
else if (!yaz_matchstr(fromcode, "iso54281984"))
cd->read_handle = yaz_read_iso5428_1984;
+ else if (!yaz_matchstr(fromcode, "iso5428:1984"))
+ cd->read_handle = yaz_read_iso5428_1984;
#if HAVE_WCHAR_H
else if (!yaz_matchstr(fromcode, "WCHAR_T"))
cd->read_handle = yaz_read_wchar_t;
{
cd->write_handle = yaz_write_iso5428_1984;
}
+ else if (!yaz_matchstr(tocode, "iso5428:1984"))
+ {
+ cd->write_handle = yaz_write_iso5428_1984;
+ }
#if HAVE_WCHAR_H
else if (!yaz_matchstr(tocode, "WCHAR_T"))
cd->write_handle = yaz_write_wchar_t;
cd->comb_offset = cd->comb_size = 0;
cd->compose_char = 0;
- cd->write_marc8_comb_no = 0;
cd->write_marc8_second_half_char = 0;
cd->write_marc8_last = 0;
- cd->write_marc8_page_chr = "\033(B";
+ cd->write_marc8_lpage = 0;
+ cd->write_marc8_g0 = ESC "(B";
+ cd->write_marc8_g1 = 0;
cd->unget_x = 0;
cd->no_read_x = 0;
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