X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;ds=sidebyside;f=lib%2Futility.h;fp=lib%2Futility.h;h=7ad7ab1474ab9fb6a456e0051337c086cddb655f;hb=401e0b5e1d97ded0e2c7415c6dd0f94ee6bfb470;hp=0000000000000000000000000000000000000000;hpb=0f3083b8693bfaddc4bf3fd6ce7174ac06afa958;p=fides

diff --git a/lib/utility.h b/lib/utility.h
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+/* fides.h - Light-weight, decentralised trust and authorisation management
+   Copyright (C) 2008-2009  Guus Sliepen <guus@tinc-vpn.org>
+  
+   Fides is free software; you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of
+   the License, or (at your option) any later version.
+  
+   Fides 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 Lesser General Public License for more details.
+  
+   You should have received a copy of the GNU Lesser General Public
+   License along with this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __FIDES_UTILITY_H__
+#define __FIDES_UTILITY_H__
+
+#include <stdexcept>
+#include <string>
+#include <vector>
+#include <regex.h>
+
+namespace fides {
+	class regexp {
+		regex_t comp;
+
+		public:
+		static const int EXTENDED = REG_EXTENDED;
+		static const int ICASE = REG_ICASE;
+		static const int NOSUB = REG_NOSUB;
+		static const int NEWLINE = REG_NEWLINE;
+
+		static const int NOTBOL = REG_NOTBOL;
+		static const int NOTEOL = REG_NOTEOL;
+
+		/// Construct a compiled regular expression.
+		///
+		/// @param exp    Regular expression to compile.
+		/// @param cflags Bitwise OR of options to apply when compiling the regular expression:
+		///               - fides::regexp::EXTENDED
+		///                 Use POSIX Extended Regular Expression syntax when interpreting exp.
+		///               - fides::regexp::ICASE
+		///                 Make the expression case-insensitive.
+		///               - fides::regexp::NOSUB
+		///                 Disable support for substring addressing.
+		///               - fides::regexp::NEWLINE
+		///                 Do not treat the newline character as the start or end of a line.
+		regexp(const std::string &exp, int cflags = 0) {
+			int err = regcomp(&comp, exp.c_str(), cflags);
+			if(err)
+				throw std::runtime_error("Could not compile regular expression");
+		}
+
+		~regexp() {
+			regfree(&comp);
+		}
+
+		/// Test whether a string matches the regular expression.
+		///
+		/// @param in     String to test.
+		/// @param eflags Bitwise OR of options to apply when matching the string:
+		///               - fides::regexp::NOTBOL
+		///                 Do not treat the start of the string as the start of a line.
+		///               - fides::regexp::NOTEOL
+		///                 Do not treat the end of the string as the end of a line.
+		/// @return True if the string matches the regular expression, false otherwise.
+		bool match(const std::string &in, int eflags = 0) {
+			return regexec(&comp, in.c_str(), 0, 0, eflags) == 0;
+		}
+	};
+
+	std::string b64encode(const std::string &in);
+	std::string b64decode(const std::string &in);
+	std::string hexencode(const std::string &in);
+	std::string hexdecode(const std::string &in);
+
+	std::vector<std::string> dirlist(const std::string &path);
+}
+
+#endif