Remove no longer used MARC-8 conversion code

[yaz-moved-to-github.git] / src / siconv.c

diff --git a/src/siconv.c b/src/siconv.c
index 285d644..9e5393b 100644 (file)
--- a/src/siconv.c
+++ b/src/siconv.c
@@ -2,7 +2,7 @@
  * Copyright (C) 1995-2005, Index Data ApS
  * See the file LICENSE for details.
  *
- * $Id: siconv.c,v 1.14 2005-10-28 18:36:58 adam Exp $
+ * $Id: siconv.c,v 1.15 2005-11-06 01:28:09 adam Exp $
  */
 /**
  * \file siconv.c
@@ -50,8 +50,6 @@ unsigned long yaz_marc8_8_conv (unsigned char *inp, size_t inbytesleft,
 unsigned long yaz_marc8_9_conv (unsigned char *inp, size_t inbytesleft,
                                 size_t *no_read, int *combining);
     
-#define NEW_COMB 1
-
 struct yaz_iconv_struct {
     int my_errno;
     int init_flag;
@@ -63,15 +61,11 @@ struct yaz_iconv_struct {
                            char **outbuf, size_t *outbytesleft,
                            int last);
     int marc8_esc_mode;
-#if NEW_COMB
+
     int comb_offset;
     int comb_size;
     unsigned long comb_x[8];
     size_t comb_no_read[8];
-#else
-    int marc8_comb_x;
-    int marc8_comb_no_read;
-#endif
     size_t no_read_x;
     unsigned long unget_x;
 #if HAVE_ICONV_H
@@ -253,7 +247,6 @@ static unsigned long yaz_read_wchar_t (yaz_iconv_t cd, unsigned char *inp,
 #endif
 
 
-#if NEW_COMB
 static unsigned long yaz_read_marc8_comb (yaz_iconv_t cd, unsigned char *inp,
                                           size_t inbytesleft, size_t *no_read,
                                           int *comb);
@@ -272,8 +265,10 @@ static unsigned long yaz_read_marc8 (yaz_iconv_t cd, unsigned char *inp,
            We'll increment the no_read counter by 1, since we want to skip over
            the processing of the closing ligature character
         */
+#if 0
         if (x == 0x0361 || x == 0x0360)
             *no_read += 1;
+#endif
         cd->comb_offset++;
         return x;
     }
@@ -368,108 +363,6 @@ static unsigned long yaz_read_marc8_comb (yaz_iconv_t cd, unsigned char *inp,
         return x;
     }
 }
-#else
-static unsigned long yaz_read_marc8 (yaz_iconv_t cd, unsigned char *inp,
-                                     size_t inbytesleft, size_t *no_read)
-{
-    if (cd->marc8_comb_x)
-    {
-        unsigned long x = cd->marc8_comb_x;
-        *no_read = cd->marc8_comb_no_read;
-        cd->marc8_comb_x = 0;
-        return x;
-    }
-    *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;
-        int comb = 0;
-        size_t no_read_sub = 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;
-        }
-#if 0
-        printf ("esc mode=%c x=%04lX comb=%d\n", cd->marc8_esc_mode, x, comb);
-#endif
-        *no_read += no_read_sub;
-
-        if (comb && cd->marc8_comb_x == 0)
-        {
-            size_t tmp_read = 0;
-            unsigned long next_x;
-
-            /* read next char .. */
-            next_x = yaz_read_marc8(cd, inp + *no_read,
-                                    inbytesleft - *no_read, &tmp_read);
-            /* save this x for later .. */
-            cd->marc8_comb_x = x;
-            /* save next read for later .. */
-            cd->marc8_comb_no_read = tmp_read;
-            /* return next x - thereby swap */
-            x = next_x;
-        }
-        return x;
-    }
-}
-#endif
 
 static size_t yaz_write_UTF8 (yaz_iconv_t cd, unsigned long x,
                               char **outbuf, size_t *outbytesleft,
@@ -752,11 +645,7 @@ yaz_iconv_t yaz_iconv_open (const char *tocode, const char *fromcode)
     cd->init_handle = 0;
     cd->my_errno = YAZ_ICONV_UNKNOWN;
     cd->marc8_esc_mode = 'B';
-#if NEW_COMB
     cd->comb_offset = cd->comb_size = 0;
-#else
-    cd->marc8_comb_x = 0;
-#endif
     cd->compose_char = 0;
 
     /* a useful hack: if fromcode has leading @,