vcs.maemo.org Git - navit-package/blob - navit/linguistics.c

   1 #include <string.h>
   2 #include <stdio.h>
   3 #include <glib.h>
   4 #include "debug.h"
   5 #include "linguistics.h"
   6
   7 static const char *special[][3]={
   8 {"Ä","A","AE"},
   9 {"Ö","O","OE"},
  10 {"Ü","U","UE"},
  11 {"Ő","O"},
  12 {"Ű","U"},
  13 {"Á","A"},
  14 {"Ć","C"},
  15 {"É","E"},
  16 {"Í","I"},
  17 {"Ń","N"},
  18 {"Ó","O"},
  19 {"Ś","S"},
  20 {"Ú","U"},
  21 {"Ź","Z"},
  22 {"Ą","A"},
  23 {"Ę","E"},
  24 {"Ż","Z"},
  25 {"Ł","L"},
  26 {"ä","a","ae"},
  27 {"ö","o","oe"},
  28 {"ü","u","ue"},
  29 {"ő","o"},
  30 {"ű","u"},
  31 {"á","a"},
  32 {"ć","c"},
  33 {"é","e"},
  34 {"í","i"},
  35 {"ń","n"},
  36 {"ó","o"},
  37 {"ś","s"},
  38 {"ú","u"},
  39 {"ź","z"},
  40 {"ą","a"},
  41 {"ę","e"},
  42 {"ż","z"},
  43 {"ł","l"},
  44 {"ß","s","ss"},
  45 };
  46
  47 char *
  48 linguistics_expand_special(char *str, int mode)
  49 {
  50         char *in=str;
  51         char *out,*ret;
  52         int found=0;
  53         out=ret=g_strdup(str);
  54         if (!mode)
  55                 return ret;
  56         while (*in) {
  57                 char *next=g_utf8_find_next_char(in, NULL);
  58                 int i,len=next-in;
  59                 int match=0;
  60                 if (len > 1) {
  61                         for (i = 0 ; i < sizeof(special)/sizeof(special[0]); i++) {
  62                                 const char *search=special[i][0];
  63                                 if (!strncmp(in,search,len)) {
  64                                         const char *replace=special[i][mode];
  65                                         if (replace) {
  66                                                 int replace_len=strlen(replace);
  67                                                 dbg_assert(replace_len <= len);
  68                                                 dbg(1,"found %s %s %s\n",in,search,replace);
  69                                                 strcpy(out, replace);
  70                                                 out+=replace_len;
  71                                                 match=1;
  72                                                 break;
  73                                         }
  74                                 }
  75                         }
  76                         in=next;
  77                 }
  78                 if (match)
  79                         found=1;
  80                 else {
  81                         while (len-- > 0)
  82                                 *out++=*in++;
  83                 }
  84         }
  85         *out++='\0';
  86         if (!found) {
  87                 g_free(ret);
  88                 ret=NULL;
  89         }
  90         return ret;
  91 }