Add function to decompse UTF to 7 bit ascii.

diff --git a/gpsbabel/util.c b/gpsbabel/util.c
index a4a45767134dd4a05fa1cc39f924e26f2e6e7eec..45612bd3e9002d753d49704c3f68e2b4aff94e27 100644 (file)
--- a/gpsbabel/util.c
+++ b/gpsbabel/util.c
@@ -691,6 +691,60 @@ char * str_utf8_to_cp1252( const char * str )
        return result;
 }
 
+char * str_utf8_to_ascii( const char * str )
+{
+       char *result = xstrdup( str );
+       char *cur = result;
+       
+       while ( cur && *cur ) {
+               if ( *cur & 0x80 ) {
+                       int bytes;
+                       int value;
+                       utf8_to_int( cur, &bytes, &value );
+
+                       switch (value) {
+                               case 0x201c: value = '\"'; break;
+                               case 0x201d: value = '\"'; break;
+                               case 0xb4:
+                               case 0x2018: value = '`'; break;
+                               case 0x2019: value = '\''; break;
+                                           
+                               case 0xf2: 
+                               case 0xf3: 
+                               case 0xf4: 
+                               case 0xf5: 
+                               case 0xf6: value = 'o'; break;
+
+                               case 0xe0:
+                               case 0xe1:
+                               case 0xe2:
+                               case 0xe3:
+                               case 0xe4:
+                               case 0xe5: value = 'a'; break;
+
+                               case 0xe8:
+                               case 0xe9:
+                               case 0xea:
+                               case 0xeb: value = 'e'; break;
+
+                               case 0xc0:
+                               case 0xc1:
+                               case 0xc2:
+                               case 0xc3:
+                               case 0xc4:
+                               case 0xc5: value = 'A'; break;
+
+                               case 0xf8: value = '0'; break;
+                               default: value='?'; break;;
+                       }
+                       *cur = (char)value;
+                       strcpy( cur+1, cur+bytes );
+               }
+               cur++;
+       }
+       return result;
+}
+
 char * xml_entitize(const char * str) 
 {
        int elen, ecount, nsecount;