X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=include%2Fhashcomp.h;h=2d6be15a9be097d09d40c2f0e362fde5bf3991fa;hb=5e9a6b9186a8cbaaf65ae7d9cd9c0c033c91b497;hp=bf1996fac5734c946868574396071ce4d817ebb9;hpb=8827eca1daf82ac647a87b10f2aa1104faf17ef9;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/include/hashcomp.h b/include/hashcomp.h
index bf1996fac..2d6be15a9 100644
--- a/include/hashcomp.h
+++ b/include/hashcomp.h
@@ -2,12 +2,9 @@
  *       | Inspire Internet Relay Chat Daemon |
  *       +------------------------------------+
  *
- *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- *                       E-mail:
- *                <brain@chatspike.net>
- *                <Craig@chatspike.net>
+ *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
  *
- * Written by Craig Edwards, Craig McLure, and others.
  * This program is free but copyrighted software; see
  *            the file COPYING for details.
  *
@@ -378,6 +375,49 @@ namespace irc
 	 * bit values in a bitmap dynamically, rather than having to define
 	 * costs in a fixed size unsigned integer and having the possibility
 	 * of collisions of values in different third party modules.
+	 *
+	 * IMPORTANT NOTE:
+	 *
+	 * To use this class, you must derive from it.
+	 * This is because each derived instance has its own freebits array
+	 * which can determine what bitfields are allocated on a TYPE BY TYPE
+	 * basis, e.g. an irc::dynamicbitmask type for userrecs, and one for
+	 * chanrecs, etc. You should inheret it in a very simple way as follows.
+	 * The base class will resize and maintain freebits as required, you are
+	 * just required to make the pointer static and specific to this class
+	 * type.
+	 *
+	 * \code
+	 * class mydbitmask : public irc::dynamicbitmask
+	 * {
+	 *  private:
+	 *
+	 *      static unsigned char* freebits;
+	 *
+	 *  public:
+	 *
+	 *      mydbitmask() : irc::dynamicbitmask()
+	 *      {
+	 *          freebits = new unsigned char[this->bits_size];
+	 *          memset(freebits, 0, this->bits_size);
+	 *      }
+	 *
+	 *      ~mydbitmask()
+	 *      {
+	 *          delete[] freebits;
+	 *      }
+	 *
+	 *      unsigned char* GetFreeBits()
+	 *      {
+	 *          return freebits;
+	 *      }
+	 *
+	 *      void SetFreeBits(unsigned char* freebt)
+	 *      {
+	 *          freebits = freebt;
+	 *      }
+	 * };
+	 * \endcode
 	 */
 	class dynamicbitmask : public classbase
 	{
@@ -387,17 +427,12 @@ namespace irc
 		 * more than 32 entries with Allocate().
 		 */
 		unsigned char* bits;
-		/** A bitmask containing 1's for allocated
-		 * bits and 0's for free bits. When we
-		 * allocate a bit using Allocate(), we OR
-		 * its position in here to 1.
-		 */
-		unsigned char* freebits;
+	 protected:
 		/** Current set size (size of freebits and bits).
 		 * Both freebits and bits will ALWAYS be the
 		 * same length.
 		 */
-		size_t bits_size;
+		unsigned char bits_size;
 	 public:
 		/** Allocate the initial memory for bits and
 		 * freebits and zero the memory.
@@ -406,7 +441,7 @@ namespace irc
 
 		/** Free the memory used by bits and freebits
 		 */
-		~dynamicbitmask();
+		virtual ~dynamicbitmask();
 
 		/** Allocate an irc::bitfield.
 		 * @return An irc::bitfield which can be used
@@ -446,7 +481,11 @@ namespace irc
 		 * as there are an equal number of bytes allocated
 		 * for the freebits array.
 		 */
-		size_t GetSize();
+		unsigned char GetSize();
+
+		virtual unsigned char* GetFreeBits() { return NULL; }
+
+		virtual void SetFreeBits(unsigned char* freebits) { }
 	};
 
 	/** The irc_char_traits class is used for RFC-style comparison of strings.
@@ -482,7 +521,7 @@ namespace irc
 	 */
 	typedef basic_string<char, irc_char_traits, allocator<char> > string;
 
-	const char* Spacify(char* n);
+	const char* Spacify(const char* n);
 }
 
 /* Define operators for using >> and << with irc::string to an ostream on an istream. */
@@ -499,4 +538,17 @@ irc::string operator+ (irc::string& leftval, std::string& rightval);
 bool operator== (std::string& leftval, irc::string& rightval);
 bool operator== (irc::string& leftval, std::string& rightval);
 
+std::string assign(const irc::string &other);
+irc::string assign(const std::string &other);
+
+namespace nspace
+{
+	/** Hashing function to hash irc::string
+	 */
+	template<> struct hash<irc::string>
+	{
+		size_t operator()(const irc::string &s) const;
+	};
+}
+
 #endif