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Diffstat (limited to 'src/core/librcscripts/api/simple-regex.h')
-rw-r--r--src/core/librcscripts/api/simple-regex.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/src/core/librcscripts/api/simple-regex.h b/src/core/librcscripts/api/simple-regex.h
new file mode 100644
index 0000000..1ae746f
--- /dev/null
+++ b/src/core/librcscripts/api/simple-regex.h
@@ -0,0 +1,87 @@
+/*
+ * simple_regex.h
+ *
+ * Simle regex library.
+ *
+ * Copyright (C) 2004,2005 Martin Schlemmer <azarah@nosferatu.za.org>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * $Header$
+ */
+
+#ifndef __SIMPLE_REGEX_H__
+#define __SIMPLE_REGEX_H__
+
+#define REGEX_NO_MATCH 0 /* We have no match */
+#define REGEX_PARTIAL_MATCH 1 /* Some of the string matches the regex */
+#define REGEX_FULL_MATCH 2 /* The whole string matches the regex */
+
+/* Macro to fill in .data and .regex */
+#define FILL_REGEX_DATA(_regex_data, _string, _regex) \
+ do { \
+ _regex_data.data = _string; \
+ _regex_data.regex = _regex; \
+ } while (0)
+
+/* Fill in _regex_data with _data and _regex, on failure goto _error */
+#define DO_REGEX(_regex_data, _data, _regex, _error) \
+ do { \
+ FILL_REGEX_DATA(_regex_data, _data, _regex); \
+ if (-1 == match(&_regex_data)) \
+ { \
+ DBG_MSG("Could not do regex match!\n"); \
+ goto _error; \
+ } \
+ } while (0)
+
+/* Evaluate to true if we have some kind of match */
+#define REGEX_MATCH(_regex_data) \
+ ((REGEX_FULL_MATCH == _regex_data.match) \
+ || (REGEX_PARTIAL_MATCH == _regex_data.match))
+
+/* Same as above, but for use when _regex_data is a pointer */
+#define REGEX_MATCH_P(_regex_data) \
+ ((REGEX_FULL_MATCH == _regex_data->match) \
+ || (REGEX_PARTIAL_MATCH == _regex_data->match))
+
+typedef struct
+{
+ char *data; /* String to perform regex operation on */
+ char *regex; /* String containing regex to use */
+ int match; /* Will be set if there was a match. Check
+ * REGEX_*_MATCH above for possible values */
+ char *where; /* Pointer to where match starts in data */
+ size_t count; /* Count characters from data matched by regex */
+ size_t r_count; /* Count characters of regex used for match. This
+ * should normally be the lenght of regex, but might
+ * not be for some internal functions ... */
+} regex_data_t;
+
+/*
+ * Return:
+ *
+ * 0 - There was no error. If there was a match, regex_data->match
+ * - will be > 0 (this is the definitive check - if not true, the
+ * - other values of the struct may be bogus), regex_data->count
+ * - will be the amount of data that was matched (might be 0 for
+ * - some wildcards), and regex_data->r_count will be > 0.
+ *
+ * -1 - An error occured. Check errno for more info.
+ *
+ */
+int match (regex_data_t * regex_data);
+
+#endif /* __SIMPLE_REGEX_H__ */