test/testiconv.c

   1
   2 #include <stdio.h>
   3
   4 #include "SDL.h"
   5
   6 static size_t widelen(char *data)
   7 {
   8         size_t len = 0;
   9         Uint32 *p = (Uint32 *)data;
  10         while(*p++) {
  11                 ++len;
  12         }
  13         return len;
  14 }
  15
  16 int main(int argc, char *argv[])
  17 {
  18         const char * formats[] = {
  19                 "UTF8",
  20                 "UTF-8",
  21                 "UTF16BE",
  22                 "UTF-16BE",
  23                 "UTF16LE",
  24                 "UTF-16LE",
  25                 "UTF32BE",
  26                 "UTF-32BE",
  27                 "UTF32LE",
  28                 "UTF-32LE",
  29                 "UCS4",
  30                 "UCS-4",
  31         };
  32         char buffer[BUFSIZ];
  33         char *ucs4;
  34         char *test[2];
  35         int i, index = 0;
  36         FILE *file;
  37         int errors = 0;
  38
  39         if ( !argv[1] ) {
  40                 argv[1] = "utf8.txt";
  41         }
  42         file = fopen(argv[1], "rb");
  43         if ( !file ) {
  44                 fprintf(stderr, "Unable to open %s\n", argv[1]);
  45                 return (1);
  46         }
  47
  48         while ( fgets(buffer, sizeof(buffer), file) ) {
  49                 /* Convert to UCS-4 */
  50                 size_t len;
  51                 ucs4 = SDL_iconv_string("UCS-4", "UTF-8", buffer, SDL_strlen(buffer)+1);
  52                 len = (widelen(ucs4)+1)*4;
  53                 for ( i = 0; i < SDL_arraysize(formats); ++i ) {
  54                         test[0] = SDL_iconv_string(formats[i], "UCS-4", ucs4, len);
  55                         test[1] = SDL_iconv_string("UCS-4", formats[i], test[0], len);
  56                         if ( !test[1] || SDL_memcmp(test[1], ucs4, len) != 0 ) {
  57                                 fprintf(stderr, "FAIL: %s\n", formats[i]);
  58                                 ++errors;
  59                         }
  60                         if ( test[0] ) {
  61                                 SDL_free(test[0]);
  62                         }
  63                         if ( test[1] ) {
  64                                 SDL_free(test[1]);
  65                         }
  66                 }
  67                 test[0] = SDL_iconv_string("UTF-8", "UCS-4", ucs4, len);
  68                 SDL_free(ucs4);
  69                 fputs(test[0], stdout);
  70                 SDL_free(test[0]);
  71         }
  72         return (errors ? errors + 1 : 0);
  73 }