Exemple #1
0
int
DictLL_ReadLine(FILE *stream, // IN: stream to read
                char **line,  // OUT: malloc()'d line or null pointer
                char **name,  // OUT: malloc()'d name or null pointer
                char **value) // OUT: malloc()'d value or null pointer
{
   char *myLine;
   size_t myLineLen;

   ASSERT(stream);
   ASSERT(line);
   ASSERT(name);
   ASSERT(value);

   *line = NULL;
   *name = NULL;
   *value = NULL;

   switch (StdIO_ReadNextLine(stream, &myLine, 0, &myLineLen)) {
   case StdIO_Error:
      return 0;

   case StdIO_EOF:
      return 1;

   case StdIO_Success:
      if (DictLL_UnmarshalLine(myLine, myLineLen,
                               line, name, value) == NULL) {
         *line = BufDup("", 0);
      }
      free(myLine);
      return 2;

   default:
      NOT_IMPLEMENTED();
   }
   NOT_REACHED();
}
Exemple #2
0
static MsgCatalog *
MsgLoadCatalog(const char *path)
{
   gchar *localPath;
   GError *err = NULL;
   GIOChannel *stream;
   gboolean error = FALSE;
   MsgCatalog *catalog = NULL;
   GHashTable *dict;

   localPath = GET_FILENAME_LOCAL(path, NULL);
   ASSERT(localPath != NULL);

   stream = g_io_channel_new_file(localPath, "r", &err);
   RELEASE_FILENAME_LOCAL(localPath);

   if (err != NULL) {
      g_debug("Unable to open '%s': %s\n", path, err->message);
      g_clear_error(&err);
      return NULL;
   }

   dict = g_hash_table_new_full(g_str_hash,
                                g_str_equal,
                                g_free,
                                g_free);
   for (;;) {
      gboolean eof = FALSE;
      char *name = NULL;
      char *value = NULL;
      gchar *line;

      /* Read the next key / value pair. */
      for (;;) {
         gsize i;
         gsize len;
         gsize term;
         char *unused = NULL;
         gboolean cont = FALSE;

         g_io_channel_read_line(stream, &line, &len, &term, &err);

         if (err != NULL) {
            g_warning("Unable to read a line from '%s': %s\n",
                      path, err->message);
            g_clear_error(&err);
            error = TRUE;
            g_free(line);
            break;
         }

         if (line == NULL) {
            eof = TRUE;
            break;
         }

         /*
          * Fix the line break to always be Unix-style, to make lib/dict
          * happy.
          */
         if (line[term] == '\r') {
            line[term] = '\n';
            if (len > term) {
               line[term + 1] = '\0';
            }
         }

         /*
          * If currently name is not NULL, then check if this is a continuation
          * line and, if it is, just append the contents to the current value.
          */
         if (name != NULL && term > 0 && line[term - 1] == '"') {
            for (i = 0; i < len; i++) {
               if (line[i] == '"') {
                  /* OK, looks like a continuation line. */
                  char *tmp;

                  line[term - 1] = '\0';
                  tmp = g_strdup_printf("%s%s", value, line + i + 1);
                  g_free(value);
                  value = tmp;
                  cont = TRUE;
                  break;
               } else if (line[i] != ' ' && line[i] != '\t') {
                  break;
               }
            }
         }

         /*
          * If not a continuation line and we have a name, break out of the
          * inner loop to update the dictionaty.
          */
         if (!cont && name != NULL) {
            g_free(line);
            break;
         }

         /*
          * Finally, try to parse the string using the dictionary library.
          */
         if (!cont && DictLL_UnmarshalLine(line, len, &unused, &name, &value) == NULL) {
            g_warning("Couldn't parse line from catalog: %s", line);
            error = TRUE;
         }

         g_free(line);
         g_free(unused);
      }

      if (error) {
         break;
      }

      if (name != NULL) {
         gchar *val;
         ASSERT(value);

         if (!g_utf8_validate(name, -1, NULL) ||
             !g_utf8_validate(value, -1, NULL)) {
            g_warning("Invalid UTF-8 string in message catalog (key = %s)\n", name);
            error = TRUE;
            break;
         }

         // remove any escaped chars
         val = g_strcompress(value);
         g_free(value);

         // the hashtable takes ownership of the memory for 'name' and 'value'
         g_hash_table_insert(dict, name, val);
         name = NULL;
         value = NULL;
      }

      if (eof) {
         break;
      }
   }

   g_io_channel_unref(stream);

   if (error) {
      g_hash_table_unref(dict);
      dict = NULL;
   } else {
      catalog = g_new0(MsgCatalog, 1);
      catalog->utf8 = dict;
   }

   return catalog;
}
Exemple #3
0
static MsgCatalog *
MsgLoadCatalog(const char *path)
{
   gchar *localPath;
   GError *err = NULL;
   GIOChannel *stream;
   gboolean error = FALSE;
   MsgCatalog *catalog = NULL;
   HashTable *dict;

   ASSERT(path != NULL);
   localPath = VMTOOLS_GET_FILENAME_LOCAL(path, NULL);
   ASSERT(localPath != NULL);

   stream = g_io_channel_new_file(localPath, "r", &err);
   VMTOOLS_RELEASE_FILENAME_LOCAL(localPath);

   if (err != NULL) {
      g_debug("Unable to open '%s': %s\n", path, err->message);
      g_clear_error(&err);
      return NULL;
   }

   dict = HashTable_Alloc(8, HASH_STRING_KEY | HASH_FLAG_COPYKEY, g_free);
   ASSERT_MEM_ALLOC(dict);

   for (;;) {
      gboolean eof = FALSE;
      char *name = NULL;
      char *value = NULL;
      gchar *line;

      /* Read the next key / value pair. */
      for (;;) {
         gsize i;
         gsize len;
         gsize term;
         char *unused = NULL;
         gboolean cont = FALSE;

         g_io_channel_read_line(stream, &line, &len, &term, &err);

         if (err != NULL) {
            g_warning("Unable to read a line from '%s': %s\n",
                      path, err->message);
            g_clear_error(&err);
            error = TRUE;
            g_free(line);
            break;
         }

         if (line == NULL) {
            eof = TRUE;
            break;
         }

         /*
          * Fix the line break to always be Unix-style, to make lib/dict
          * happy.
          */
         if (line[term] == '\r') {
            line[term] = '\n';
            if (len > term) {
               line[term + 1] = '\0';
            }
         }

         /*
          * If currently name is not NULL, then check if this is a continuation
          * line and, if it is, just append the contents to the current value.
          */
         if (term > 0 && name != NULL && line[term - 1] == '"') {
            for (i = 0; i < len; i++) {
               if (line[i] == '"') {
                  /* OK, looks like a continuation line. */
                  char *tmp;
                  char *unescaped;

                  line[term - 1] = '\0';
                  unescaped = Escape_Undo('|', line + i + 1, len - i, NULL);
                  tmp = Str_Asprintf(NULL, "%s%s", value, unescaped);
                  free(unescaped);
                  free(value);
                  value = tmp;
                  cont = TRUE;
                  break;
               } else if (line[i] != ' ' && line[i] != '\t') {
                  break;
               }
            }
         }

         /*
          * If not a continuation line and we have a name, break out of the
          * inner loop to update the dictionaty.
          */
         if (!cont && name != NULL) {
            g_free(line);
            break;
         }

         /*
          * Finally, try to parse the string using the dictionary library.
          */
         if (!cont && DictLL_UnmarshalLine(line, len, &unused, &name, &value) == NULL) {
            g_warning("Couldn't parse line from catalog: %s", line);
            error = TRUE;
         }

         g_free(line);
         free(unused);
      }

      if (error) {
         break;
      }

      if (name != NULL) {
         ASSERT(value);

         if (!Unicode_IsBufferValid(name, strlen(name) + 1, STRING_ENCODING_UTF8) ||
             !Unicode_IsBufferValid(value, strlen(value) + 1, STRING_ENCODING_UTF8)) {
            g_warning("Invalid UTF-8 string in message catalog (key = %s)\n", name);
            error = TRUE;
            break;
         }

         MsgUnescape(value);
         HashTable_ReplaceOrInsert(dict, name, g_strdup(value));
         free(name);
         free(value);
         name = NULL;
         value = NULL;
      }

      if (eof) {
         break;
      }
   }

   g_io_channel_unref(stream);

   if (error) {
      HashTable_Free(dict);
      dict = NULL;
   } else {
      catalog = g_new0(MsgCatalog, 1);
      catalog->utf8 = dict;
   }

   return catalog;
}