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  1. /*
  2.  * Copyright (c) 2013 Stefano Sabatini
  3.  *
  4.  * This file is part of FFmpeg.
  5.  *
  6.  * FFmpeg is free software; you can redistribute it and/or
  7.  * modify it under the terms of the GNU Lesser General Public
  8.  * License as published by the Free Software Foundation; either
  9.  * version 2.1 of the License, or (at your option) any later version.
  10.  *
  11.  * FFmpeg is distributed in the hope that it will be useful,
  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14.  * Lesser General Public License for more details.
  15.  *
  16.  * You should have received a copy of the GNU Lesser General Public
  17.  * License along with FFmpeg; if not, write to the Free Software
  18.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19.  */
  20.  
  21. #ifdef TEST
  22. #include <stdio.h>
  23.  
  24. #include "libavutil/avstring.h"
  25. #include "libavutil/file.h"
  26.  
  27. static void print_sequence(const char *p, int l, int indent)
  28. {
  29.     int i;
  30.     for (i = 0; i < l; i++)
  31.         printf("%02X", (uint8_t)p[i]);
  32.     printf("%*s", indent-l*2, "");
  33. }
  34.  
  35. int main(int argc, char **argv)
  36. {
  37.     int ret;
  38.     char *filename = argv[1];
  39.     uint8_t *file_buf;
  40.     size_t file_buf_size;
  41.     uint32_t code;
  42.     const uint8_t *p, *endp;
  43.  
  44.     ret = av_file_map(filename, &file_buf, &file_buf_size, 0, NULL);
  45.     if (ret < 0)
  46.         return 1;
  47.  
  48.     p = file_buf;
  49.     endp = file_buf + file_buf_size;
  50.     while (p < endp) {
  51.         int l, r;
  52.         const uint8_t *p0 = p;
  53.         code = UINT32_MAX;
  54.         r = av_utf8_decode(&code, &p, endp, 0);
  55.         l = (int)(p-p0);
  56.         print_sequence(p0, l, 20);
  57.         if (code != UINT32_MAX) {
  58.             printf("%-10d 0x%-10X %-5d ", code, code, l);
  59.             if (r >= 0) {
  60.                 if (*p0 == '\n') printf("\\n\n");
  61.                 else             printf ("%.*s\n", l, p0);
  62.             } else {
  63.                 printf("invalid code range\n");
  64.             }
  65.         } else {
  66.             printf("invalid sequence\n");
  67.         }
  68.     }
  69.  
  70.     av_file_unmap(file_buf, file_buf_size);
  71.     return 0;
  72. }
  73. #endif
  74.