Split the libary into multiple files, in general one per class.

[fides] / lib / utility.h

diff --git a/lib/utility.h b/lib/utility.h
new file mode 100644 (file)
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+++ 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