Move helper function out of QueryParser.h

They live in the new QueryParserUtils.{h,cpp} now.
2011-11-25 06:19:23 +01:00
parent 8fd0aea602
commit 6cc3dcdb9b
4 changed files with 392 additions and 323 deletions
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2001-2009, Axel Dörfler, [email protected].
+ * Copyright 2010, Clemens Zeidler <[email protected]>
+ * Copyright 2011, Ingo Weinhold, [email protected].
+ * This file may be used under the terms of the MIT License.
+ */
+#ifndef _FILE_SYSTEMS_QUERY_PARSER_UTILS_H
+#define _FILE_SYSTEMS_QUERY_PARSER_UTILS_H
+
+
+#include <sys/cdefs.h>
+
+#include <SupportDefs.h>
+
+
+namespace QueryParser {
+
+
+enum match {
+	NO_MATCH = 0,
+	MATCH_OK = 1,
+
+	MATCH_BAD_PATTERN = -2,
+	MATCH_INVALID_CHARACTER
+};
+
+// return values from isValidPattern()
+enum {
+	PATTERN_INVALID_ESCAPE = -3,
+	PATTERN_INVALID_RANGE,
+	PATTERN_INVALID_SET
+};
+
+
+__BEGIN_DECLS
+
+
+void		skipWhitespace(char** expr, int32 skip = 0);
+void		skipWhitespaceReverse(char** expr, char* stop);
+int			compareKeys(uint32 type, const void* key1, size_t length1,
+				const void* key2, size_t length2);
+uint32		utf8ToUnicode(char** string);
+int32		getFirstPatternSymbol(char* string);
+status_t	isValidPattern(char* pattern);
+status_t	matchString(char* pattern, char* string);
+
+
+__END_DECLS
+
+
+static inline bool
+isPattern(char* string)
+{
+	return getFirstPatternSymbol(string) >= 0 ? true : false;
+}
+
+
+}	// namespace QueryParser
+
+
+#endif	// _FILE_SYSTEMS_QUERY_PARSER_UTILS_H