changed output to be non-cascarding when using -n switch
[yaz-moved-to-github.git] / src / siconv.c
index cc90210..b040729 100644 (file)
@@ -1,8 +1,8 @@
 /*
- * Copyright (C) 1995-2006, Index Data ApS
+ * Copyright (C) 1995-2007, Index Data ApS
  * See the file LICENSE for details.
  *
- * $Id: siconv.c,v 1.26 2006-08-27 19:04:03 adam Exp $
+ * $Id: siconv.c,v 1.32 2007-01-03 08:42:15 adam Exp $
  */
 /**
  * \file siconv.c
@@ -100,6 +100,7 @@ struct yaz_iconv_struct {
 
     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;
 };
@@ -183,6 +184,7 @@ static unsigned long yaz_read_ISO8859_1 (yaz_iconv_t cd, unsigned char *inp,
     return x;
 }
 
+
 static size_t yaz_init_UTF8 (yaz_iconv_t cd, unsigned char *inp,
                              size_t inbytesleft, size_t *no_read)
 {
@@ -431,7 +433,7 @@ static unsigned long yaz_read_marc8_comb(yaz_iconv_t cd, unsigned char *inp,
         size_t inbytesleft0 = inbytesleft;
         inp++;
         inbytesleft--;
-        while(inbytesleft > 0 && strchr("(,$!", *inp))
+        while(inbytesleft > 0 && strchr("(,$!)-", *inp))
         {
             inbytesleft--;
             inp++;
@@ -743,7 +745,7 @@ static unsigned long lookup_marc8(yaz_iconv_t cd,
         x = yaz_marc8r_9_conv(inp, inbytesleft, &no_read_sub, comb);
         if (x)
         {
-            *page_chr = "\033(1";
+            *page_chr = "\033$1";
             return x;
         }
         cd->my_errno = YAZ_ICONV_EILSEQ;
@@ -755,7 +757,7 @@ static size_t flush_combos(yaz_iconv_t cd,
                            char **outbuf, size_t *outbytesleft)
 {
     unsigned long y = cd->write_marc8_last;
-    unsigned char byte, second_half = 0;
+    unsigned char byte;
     char out_buf[10];
     size_t i, out_no = 0;
 
@@ -782,25 +784,21 @@ static size_t flush_combos(yaz_iconv_t cd,
     {
         /* all MARC-8 combined characters are simple bytes */
         byte = (unsigned char )(cd->write_marc8_comb_ch[i]);
-        if (byte == 0xEB)
-            second_half = 0xEC;
-        else if (byte == 0xFA)
-            second_half = 0xFB;
-
         *(*outbuf)++ = byte;
         (*outbytesleft)--;
     }
     memcpy(*outbuf, out_buf, out_no);
     *outbuf += out_no;
     (*outbytesleft) -= out_no;
-    if (second_half)
+    if (cd->write_marc8_second_half_char)
     {
-        *(*outbuf)++ = second_half;
+        *(*outbuf)++ = cd->write_marc8_second_half_char;
         (*outbytesleft)--;
     }        
 
     cd->write_marc8_last = 0;
     cd->write_marc8_comb_no = 0;
+    cd->write_marc8_second_half_char = 0;
     return 0;
 }
 
@@ -817,6 +815,11 @@ static size_t yaz_write_marc8_2(yaz_iconv_t cd, unsigned long x,
 
     if (comb)
     {
+        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;
     }
@@ -949,13 +952,6 @@ yaz_iconv_t yaz_iconv_open (const char *tocode, const char *fromcode)
     cd->read_handle = 0;
     cd->init_handle = 0;
     cd->my_errno = YAZ_ICONV_UNKNOWN;
-    cd->marc8_esc_mode = 'B';
-    cd->comb_offset = cd->comb_size = 0;
-    cd->compose_char = 0;
-
-    cd->write_marc8_comb_no = 0;
-    cd->write_marc8_last = 0;
-    cd->write_marc8_page_chr = "\033(B";
 
     /* a useful hack: if fromcode has leading @,
        the library not use YAZ's own conversions .. */
@@ -1065,7 +1061,7 @@ size_t yaz_iconv(yaz_iconv_t cd, char **inbuf, size_t *inbytesleft,
     {
         if (cd->init_handle)
         {
-            size_t no_read;
+            size_t no_read = 0;
             size_t r = (cd->init_handle)(cd, (unsigned char *) *inbuf,
                                          *inbytesleft, &no_read);
             if (r)
@@ -1078,6 +1074,16 @@ size_t yaz_iconv(yaz_iconv_t cd, char **inbuf, size_t *inbytesleft,
             *inbytesleft -= no_read;
             *inbuf += no_read;
         }
+        cd->marc8_esc_mode = 'B';
+        
+        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->init_flag = 0;
         cd->unget_x = 0;
         cd->no_read_x = 0;