Decide that it wasn't quite appropriate :(

[user/henk/code/inspircd.git] / src / hashcomp.cpp

diff --git a/src/hashcomp.cpp b/src/hashcomp.cpp
index a216792ddd59e0464f967dac25e139e5947b87c3..e948134205827e3f2380189273ca311d2576a464 100644 (file)
--- a/src/hashcomp.cpp
+++ b/src/hashcomp.cpp
@@ -2,7 +2,7 @@
  *       | Inspire Internet Relay Chat Daemon |
  *       +------------------------------------+
  *
- *  Inspire is copyright (C) 2002-2005 ChatSpike-Dev.
+ *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
  *                       E-mail:
  *                <brain@chatspike.net>
  *                <Craig@chatspike.net>
@@ -14,8 +14,11 @@
  * ---------------------------------------------------
  */
 
-#include <string>
+using namespace std;
+
+#include "inspircd_config.h"
 #include "inspircd.h"
+#include <string>
 #include "hashcomp.h"
 #include "helperfuncs.h"
 #ifdef GCC3
@@ -30,6 +33,9 @@
 #define nspace std
 #endif
 
+// from helperfuncs.cpp
+extern const char lowermap[255];
+
 /******************************************************
  *
  * The hash functions of InspIRCd are the centrepoint
@@ -77,24 +83,102 @@ size_t nspace::hash<string>::operator()(const string &s) const
         return strhash(a);
 }
 
-bool StrHashComp::operator()(const string& s1, const string& s2) const
+bool irc::StrHashComp::operator()(const std::string& s1, const std::string& s2) const
 {
-        char a[MAXBUF],b[MAXBUF];
-        strlcpy(a,s1.c_str(),MAXBUF);
-        strlcpy(b,s2.c_str(),MAXBUF);
-        strlower(a);
-        strlower(b);
-        return (strcasecmp(a,b) == 0);
+       irc::string a = s1.c_str();
+       irc::string b = s2.c_str();
+        return (a == b);
 }
 
-bool InAddr_HashComp::operator()(const in_addr &s1, const in_addr &s2) const
+bool irc::InAddr_HashComp::operator()(const in_addr &s1, const in_addr &s2) const
 {
-        size_t q;
-        size_t p;
+        return (s1.s_addr == s1.s_addr);
+}
+
+/******************************************************
+ *
+ * This is the implementation of our special irc::string
+ * class which is a case-insensitive equivalent to
+ * std::string which is not only case-insensitive but
+ * can also do scandanavian comparisons, e.g. { = [, etc.
+ *
+ * This class depends on the global 'lowermap' which is
+ * initialized at startup by inspircd.cpp, and contains
+ * the 'scandanavian' casemappings for fast irc compare.
+ *
+ ******************************************************/
+
+bool irc::irc_char_traits::eq(char c1st, char c2nd)
+{
+       return lowermap[(unsigned)c1st] == lowermap[(unsigned)c2nd];
+}
+
+bool irc::irc_char_traits::ne(char c1st, char c2nd)
+{
+       return lowermap[(unsigned)c1st] != lowermap[(unsigned)c2nd];
+}
+
+bool irc::irc_char_traits::lt(char c1st, char c2nd)
+{
+       return lowermap[(unsigned)c1st] < lowermap[(unsigned)c2nd];
+}
 
-        memcpy(&q,&s1,sizeof(size_t));
-        memcpy(&p,&s2,sizeof(size_t));
+int irc::irc_char_traits::compare(const char* str1, const char* str2, size_t n)
+{
+       for(unsigned int i = 0; i < n; i++)
+       {
+               if(lowermap[(unsigned)*str1] > lowermap[(unsigned)*str2])
+                               return 1;
+
+               if(lowermap[(unsigned)*str1] < lowermap[(unsigned)*str2])
+                       return -1;
+
+               if(*str1 == 0 || *str2 == 0)
+                       return 0;
+
+               str1++;
+               str2++;
+       }
+       return 0;
+}
+
+std::string operator+ (std::string& leftval, irc::string& rightval)
+{
+       return leftval + std::string(rightval.c_str());
+}
+
+irc::string operator+ (irc::string& leftval, std::string& rightval)
+{
+       return leftval + irc::string(rightval.c_str());
+}
 
-        return (q == p);
+bool operator== (std::string& leftval, irc::string& rightval)
+{
+       return (leftval == std::string(rightval.c_str()));
 }
 
+bool operator== (irc::string& leftval, std::string& rightval)
+{
+       return (rightval == std::string(leftval.c_str()));
+}
+
+const char* irc::irc_char_traits::find(const char* s1, int  n, char c)
+{
+       while(n-- > 0 && lowermap[(unsigned)*s1] != lowermap[(unsigned)c])
+               s1++;
+       return s1;
+}
+
+/* See hashcomp.h if you care about these... */
+std::ostream& operator<<(std::ostream &os, const irc::string &str)
+{
+       return os << str.c_str();
+}
+
+std::istream& operator>>(std::istream &is, irc::string &str)
+{
+       std::string tmp;
+       is >> tmp;
+       str = tmp.c_str();
+       return is;
+}