Rocco Rutte:

[apps/madmutt.git] / lib / rx.h

diff --git a/lib/rx.h b/lib/rx.h
new file mode 100644 (file)
index 0000000..f098311
--- /dev/null
+++ b/lib/rx.h
@@ -0,0 +1,47 @@
+/*
+ * This file is part of mutt-ng, see http://www.muttng.org/.
+ * It's licensed under the GNU General Public License,
+ * please see the file GPL in the top level source directory.
+ */
+
+/*
+ * this is an internal abstraction layer for regular expressions
+ */
+
+#ifndef _LIB_RX_H
+#define _LIB_RX_H
+
+#include <sys/types.h>
+#ifdef USE_GNU_REGEX
+#include "_regex.h"
+#else
+#include <regex.h>
+#endif
+
+#include "list.h"
+
+/* this is a non-standard option supported by Solaris 2.5.x which allows
+ * patterns of the form \<...\>
+ */
+#ifndef REG_WORDS
+#define REG_WORDS 0
+#endif
+
+typedef struct rx_t {
+  char *pattern;                /* printable version */
+  regex_t *rx;                  /* compiled expression */
+  int not : 1;                  /* do not match */
+} rx_t;
+
+void rx_free (rx_t**);
+rx_t* rx_compile (const char*, int);
+
+/* for handling lists */
+int rx_compare (const rx_t*, const rx_t*);      /* compare two patterns */
+int rx_list_match (list2_t*, const char*);      /* match all items list agains string */
+int rx_lookup (list2_t*, const char*);          /* lookup pattern */
+
+#define REGCOMP(X,Y,Z) regcomp(X, Y, REG_WORDS|REG_EXTENDED|(Z))
+#define REGEXEC(X,Y) regexec(X, Y, (size_t)0, (regmatch_t *)0, (int)0)
+
+#endif /* !_LIB_RX_H */