X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fhashcomp.cpp;h=ca7394baa7172fe16642f15159ebae87b5dc8eea;hb=636f32fcd0ac8bdd5bb70e04b6205d9980ef344e;hp=a216792ddd59e0464f967dac25e139e5947b87c3;hpb=a10024d9e354a2c5567976fd4ee8e5469e939302;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/hashcomp.cpp b/src/hashcomp.cpp index a216792dd..ca7394baa 100644 --- a/src/hashcomp.cpp +++ b/src/hashcomp.cpp @@ -30,6 +30,9 @@ #define nspace std #endif +// from helperfuncs.cpp +extern char lowermap[255]; + /****************************************************** * * The hash functions of InspIRCd are the centrepoint @@ -77,7 +80,7 @@ size_t nspace::hash::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); @@ -87,7 +90,7 @@ bool StrHashComp::operator()(const string& s1, const string& s2) const return (strcasecmp(a,b) == 0); } -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; @@ -98,3 +101,56 @@ bool InAddr_HashComp::operator()(const in_addr &s1, const in_addr &s2) const return (q == p); } +/****************************************************** + * + * 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[c1st] == lowermap[c2nd]; +} + +bool irc::irc_char_traits::ne(char c1st, char c2nd) +{ + return lowermap[c1st] != lowermap[c2nd]; +} + +bool irc::irc_char_traits::lt(char c1st, char c2nd) +{ + return lowermap[c1st] < lowermap[c2nd]; +} + +int irc::irc_char_traits::compare(const char* str1, const char* str2, size_t n) +{ + for(int i = 0; i < n; i++) + { + if(lowermap[*str1] > lowermap[*str2]) + return 1; + + if(lowermap[*str1] < lowermap[*str2]) + return -1; + + if(*str1 == 0 || *str2 == 0) + return 0; + + str1++; + str2++; + } + return 0; +} + +const char* irc::irc_char_traits::find(const char* s1, int n, char c) +{ + while(n-- > 0 && lowermap[*s1] != lowermap[c]) + s1++; + return s1; +}