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+/* svn_token.h : 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.
+ * ====================================================================
+ */
+
+#ifndef SVN_TOKEN_H
+#define SVN_TOKEN_H
+
+
+#include "svn_error.h"
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+/** A mapping between a string STR and an enumeration value VAL.
+ *
+ * Maps are an array of these, terminated with a struct where STR == NULL.
+ */
+typedef struct svn_token_map_t
+{
+ const char *str;
+ int val;
+} svn_token_map_t;
+
+
+/* A value used by some token functions to indicate an unrecognized token. */
+#define SVN_TOKEN_UNKNOWN (-9999)
+
+
+/* Return the string form of the given VALUE as found in MAP. If the value
+ is not recognized, then a MALFUNCTION will occur. */
+const char *
+svn_token__to_word(const svn_token_map_t *map,
+ int value);
+
+
+/* NOTE: in the following functions, if WORD is NULL, then SVN_TOKEN_UNKNOWN
+ will be returned, or will cause the appropriate MALFUNCTION or ERROR. */
+
+/* Return the integer value of the given token WORD, as found in MAP. If the
+ string is not recognized, then a MALFUNCTION will occur.
+
+ Note: this function is for persisted string values. Because this function
+ will throw a MALFUNCTION, it should not be used for network input or
+ user input. */
+int
+svn_token__from_word_strict(const svn_token_map_t *map,
+ const char *word);
+
+
+/* Store the integer value of WORD into *VALUE. If the string is not
+ recognized, then SVN_ERR_BAD_TOKEN is returned. */
+svn_error_t *
+svn_token__from_word_err(int *value,
+ const svn_token_map_t *map,
+ const char *word);
+
+
+/* Return the integer value of the given token WORD as found in MAP. If the
+ string is not recognized, then SVN_TOKEN_UNKNOWN will be returned. */
+int
+svn_token__from_word(const svn_token_map_t *map,
+ const char *word);
+
+
+/* Return the integer value of the given token WORD/LEN as found in MAP. If
+ the string is not recognized, then SVN_TOKEN_UNKNOWN will be returned. */
+int
+svn_token__from_mem(const svn_token_map_t *map,
+ const char *word,
+ apr_size_t len);
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* SVN_TOKEN_H */
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