File: unaccent.c

package info (click to toggle)
unac 1.8.0-6
  • links: PTS
  • area: main
  • in suites: jessie, jessie-kfreebsd, stretch, wheezy
  • size: 3,076 kB
  • ctags: 310
  • sloc: sh: 10,575; ansic: 2,748; makefile: 43; perl: 4
file content (137 lines) | stat: -rw-r--r-- 3,872 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
/*
 * Copyright (C) 2000, 2001, 2002, 2003 Loic Dachary
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */

#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <getopt.h>

#include "unac.h"

static int usage(const char* message)
{
  fprintf(stderr,
	  "%s"
	  "usage: unaccent [--debug_low] [--debug_high] [--help|-h]\n"
          "\t\t<charset> [<string>] [<expected>]\n"
	  "\tVersion "UNAC_VERSION"\n"
	  "\tReads input from stdin and remove accents from each line,\n"
	  "\tassuming it is encoded in <charset> (iconv -l shows a list of\n"
	  "\tall available charsets).\n"
	  "\tIf <string> is provided, remove accents from <string>.\n"
	  "\tIf <expected> is provided, compare the result and exit on error\n"
	  "\tif not equal. \n"
	  "\tThe unaccented result is always output on stdout.\n",
	  message);
  exit(1);
}

int main(int argc, char** argv) {
  int c;
  static int debug_level = UNAC_DEBUG_NONE;

  while (1) {
    int option_index = 0;
    static struct option long_options[] = {
      {"debug_low", no_argument, &debug_level, UNAC_DEBUG_LOW},
      {"debug_high", no_argument, &debug_level, UNAC_DEBUG_HIGH},
      {"help", no_argument, 0, 0},
      {0, 0, 0, 0}
    };

    c = getopt_long (argc, argv, "h",
		     long_options, &option_index);
    if (c == -1)
      break;

    switch (c) {
    case 0:
      break;

    case '?':
      break;

    default:
      usage("");
      break;
    }
  }

#ifdef UNAC_DEBUG_AVAILABLE
  unac_debug(debug_level);
#else /* UNAC_DEBUG_AVAILABLE */
  if(debug_level > UNAC_DEBUG_NONE)
    fprintf(stderr, "debug is not available, means vsnprintf was not found by configure\n");
#endif /* UNAC_DEBUG_AVAILABLE */

  if(optind >= argc)
    usage("missing <charset>\n");
  else {
    const char* charset = argv[optind++];

    char* unaccented = 0;
    int unaccented_length = 0;

    if(optind >= argc) {
#define BUFFER_SIZE 10240
      char buffer[BUFFER_SIZE];
      while(fgets(buffer, BUFFER_SIZE, stdin)) {
	if(unac_string(charset, buffer, strlen(buffer), &unaccented, &unaccented_length) < 0) {
	  fprintf(stderr, "unac_string attempt to unaccent %s with charset %s failed: ", buffer, charset);
	  perror("");
	  exit(1);
	}
	printf("%.*s", unaccented_length, unaccented);
      }
    } else {
      const char* string = argv[optind++];

      if(unac_string(charset, string, strlen(string), &unaccented, &unaccented_length) < 0) {
	fprintf(stderr, "unac_string attempt to unaccent %s with charset %s failed: ", string, charset);
	perror("");
	exit(1);
      }

      if(debug_level > UNAC_DEBUG_NONE)
	fprintf(stderr, "unaccented version is ");
      printf("%.*s\n", unaccented_length, unaccented);

      if(optind < argc) {
	const char* expected = argv[optind++];

	if(unaccented_length != strlen(expected) ||
	   !memcpy(unaccented, expected, unaccented_length)) {
	  if(debug_level > UNAC_DEBUG_NONE)
	    fprintf(stderr, "attempt to unaccent %s with charset %s does not match expected string %s\n", string, charset, expected);
      
	  free(unaccented);
	  return 1;
	}
      }
    }

    free(unaccented);
  }

  return 0;
}