locale/po2strings.c

   1 /*
   2  * "$Id: po2strings.c 6921 2007-09-06 13:38:37Z mike $"
   3  *
   4  * Convert GNU gettext .po files to Apple .strings file (UTF-16 BE text file).
   5  *
   6  * Usage:
   7  *
   8  *   po2strings filename.strings filename.po
   9  *
  10  * Compile with:
  11  *
  12  *   gcc -o po2strings po2strings.c `cups-config --libs`
  13  *
  14  * Contents:
  15  *
  16  *   main()         - Convert .po file to .strings.
  17  *   write_string() - Write a string to the .strings file.
  18  */
  19
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <cups/i18n.h>
  23
  24
  25 /*
  26  * The .strings file format is simple:
  27  *
  28  * // comment
  29  * "id" = "str";
  30  *
  31  * Both the id and str strings use standard C quoting for special characters
  32  * like newline and the double quote character.
  33  */
  34
  35 /*
  36  * Local functions...
  37  */
  38
  39 static void     write_string(FILE *strings, const char *s);
  40
  41
  42 /*
  43  *   main() - Convert .po file to .strings.
  44  */
  45
  46 int                                     /* O - Exit code */
  47 main(int  argc,                         /* I - Number of command-line args */
  48      char *argv[])                      /* I - Command-line arguments */
  49 {
  50   FILE                  *strings;       /* .strings file */
  51   cups_array_t          *po;            /* .po file */
  52   char                  iconv[1024];    /* iconv command */
  53   _cups_message_t       *msg;           /* Current message */
  54
  55
  56   if (argc != 3)
  57   {
  58     puts("Usage: po2strings filename.po filename.strings");
  59     return (1);
  60   }
  61
  62  /*
  63   * Use the CUPS .po loader to get the message strings...
  64   */
  65
  66   if ((po = _cupsMessageLoad(argv[1])) == NULL)
  67   {
  68     perror(argv[1]);
  69     return (1);
  70   }
  71
  72  /*
  73   * Cheat by using iconv to write the .strings file with a UTF-16 encoding.
  74   * The .po file uses UTF-8...
  75   */
  76
  77   snprintf(iconv, sizeof(iconv), "iconv -f utf-8 -t utf-16 >'%s'", argv[2]);
  78   if ((strings = popen(iconv, "w")) == NULL)
  79   {
  80     perror(argv[2]);
  81     _cupsMessageFree(po);
  82     return (1);
  83   }
  84
  85   for (msg = (_cups_message_t *)cupsArrayFirst(po);
  86        msg;
  87        msg = (_cups_message_t *)cupsArrayNext(po))
  88   {
  89     write_string(strings, msg->id);
  90     fputs(" = ", strings);
  91     write_string(strings, msg->str);
  92     fputs(";\n", strings);
  93   }
  94
  95   printf("%s: %d messages.\n", argv[2], cupsArrayCount(po));
  96
  97   pclose(strings);
  98   _cupsMessageFree(po);
  99
 100   return (0);
 101 }
 102
 103
 104 /*
 105  * 'write_string()' - Write a string to the .strings file.
 106  */
 107
 108 static void
 109 write_string(FILE       *strings,       /* I - .strings file */
 110              const char *s)             /* I - String to write */
 111 {
 112   putc('\"', strings);
 113
 114   while (*s)
 115   {
 116     switch (*s)
 117     {
 118       case '\n' :
 119           fputs("\\n", strings);
 120           break;
 121       case '\t' :
 122           fputs("\\t", strings);
 123           break;
 124       case '\\' :
 125           fputs("\\\\", strings);
 126           break;
 127       case '\"' :
 128           fputs("\\\"", strings);
 129           break;
 130       default :
 131           putc(*s, strings);
 132           break;
 133     }
 134
 135     s ++;
 136   }
 137
 138   putc('\"', strings);
 139 }
 140
 141
 142 /*
 143  * End of "$Id: po2strings.c 6921 2007-09-06 13:38:37Z mike $".
 144  */