- initial checkin

1 files changed, 79 insertions, 0 deletions

diff --git a/httpd/tnt/regex.h b/httpd/tnt/regex.h
new file mode 100644
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+++ b/httpd/tnt/regex.h
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+/* tnt/regex.h
+ * Copyright (C) 2005 Tommi Maekitalo
+ *
+ * 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; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * is provided AS IS, WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, and
+ * NON-INFRINGEMENT.  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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ *
+ */
+
+#ifndef TNT_REGEX_H
+#define TNT_REGEX_H
+
+#include <string>
+#include <sys/types.h>
+#include <regex.h>
+
+namespace tnt
+{
+  /// collects matches in a regex
+  class regex_smatch
+  {
+      friend class regex;
+
+      std::string str;
+      regmatch_t matchbuf[10];
+
+    public:
+      unsigned size() const;
+      std::string get(unsigned n) const;
+      std::string format(const std::string& s) const;
+  };
+
+  /// regex(3)-wrapper.
+  /// Warning: incomplete, but sufficient for tntnet.
+  /// Regular expression is not automatically freed. Tntnet needs to
+  /// put regex into a stl-container, so it needs to be copyable.
+  /// For this class to be complete, the regex_t needs to be
+  /// reference-counted. This is unneeded for tntnet, because the regex is
+  /// never freed anyway.
+  class regex
+  {
+      regex_t expr;
+
+      void checkerr(int ret) const;
+
+    public:
+      explicit regex(const char* ex, int cflags = REG_EXTENDED)
+      {
+        checkerr(::regcomp(&expr, ex, cflags));
+      }
+
+      explicit regex(const std::string& ex, int cflags = REG_EXTENDED)
+      {
+        checkerr(::regcomp(&expr, ex.c_str(), cflags));
+      }
+
+      bool match(const std::string& str_, regex_smatch& smatch, int eflags = 0) const;
+      bool match(const std::string& str_, int eflags = 0) const;
+
+      void free();
+
+    private:
+      friend class value_type;
+  };
+
+}
+
+#endif // TNT_REGEX_H
+