Import trimmed svn-1.8.0-rc3

1 files changed, 98 insertions, 0 deletions

diff --git a/subversion/libsvn_subr/token.c b/subversion/libsvn_subr/token.c
new file mode 100644
index 0000000..d4fc725
--- /dev/null
+++ b/subversion/libsvn_subr/token.c
@@ -0,0 +1,98 @@
+/*
+ * token.c :  value/string-token functions
+ *
+ * ====================================================================
+ *    Licensed to the Apache Software Foundation (ASF) under one
+ *    or more contributor license agreements.  See the NOTICE file
+ *    distributed with this work for additional information
+ *    regarding copyright ownership.  The ASF licenses this file
+ *    to you under the Apache License, Version 2.0 (the
+ *    "License"); you may not use this file except in compliance
+ *    with the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing,
+ *    software distributed under the License is distributed on an
+ *    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *    KIND, either express or implied.  See the License for the
+ *    specific language governing permissions and limitations
+ *    under the License.
+ * ====================================================================
+ */
+
+#include "svn_types.h"
+#include "svn_error.h"
+
+#include "private/svn_token.h"
+#include "svn_private_config.h"
+
+
+const char *
+svn_token__to_word(const svn_token_map_t *map,
+                   int value)
+{
+  for (; map->str != NULL; ++map)
+    if (map->val == value)
+      return map->str;
+
+  /* Internal, numeric values should always be found.  */
+  SVN_ERR_MALFUNCTION_NO_RETURN();
+}
+
+
+int
+svn_token__from_word_strict(const svn_token_map_t *map,
+                            const char *word)
+{
+  int value = svn_token__from_word(map, word);
+
+  if (value == SVN_TOKEN_UNKNOWN)
+    SVN_ERR_MALFUNCTION_NO_RETURN();
+
+  return value;
+}
+
+
+svn_error_t *
+svn_token__from_word_err(int *value,
+                         const svn_token_map_t *map,
+                         const char *word)
+{
+  *value = svn_token__from_word(map, word);
+
+  if (*value == SVN_TOKEN_UNKNOWN)
+    return svn_error_createf(SVN_ERR_BAD_TOKEN, NULL,
+                             _("Token '%s' is unrecognized"),
+                             word);
+
+  return SVN_NO_ERROR;
+}
+
+
+int
+svn_token__from_word(const svn_token_map_t *map,
+                     const char *word)
+{
+  if (word == NULL)
+    return SVN_TOKEN_UNKNOWN;
+
+  for (; map->str != NULL; ++map)
+    if (strcmp(map->str, word) == 0)
+      return map->val;
+
+  return SVN_TOKEN_UNKNOWN;
+}
+
+
+int
+svn_token__from_mem(const svn_token_map_t *map,
+                    const char *word,
+                    apr_size_t len)
+{
+  for (; map->str != NULL; ++map)
+    if (strncmp(map->str, word, len) == 0 && map->str[len] == '\0')
+      return map->val;
+
+  return SVN_TOKEN_UNKNOWN;
+}