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path: root/library/cpp/charset/ci_string.cpp
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#include "ci_string.h" 
 
int TCiString::compare(const TCiString& s1, const TCiString& s2, const CodePage& cp) { 
    return cp.stricmp(s1.data(), s2.data());
} 
 
int TCiString::compare(const char* p, const TCiString& s2, const CodePage& cp) { 
    return cp.stricmp(p, s2.data());
} 
 
int TCiString::compare(const TCiString& s1, const char* p, const CodePage& cp) { 
    return cp.stricmp(s1.data(), p);
} 
 
int TCiString::compare(const TStringBuf& p1, const TStringBuf& p2, const CodePage& cp) {
    int rv = cp.strnicmp(p1.data(), p2.data(), Min(p1.size(), p2.size()));
    return rv ? rv : p1.size() < p2.size() ? -1 : p1.size() == p2.size() ? 0 : 1;
} 
 
bool TCiString::is_prefix(const TStringBuf& what, const TStringBuf& of, const CodePage& cp) {
    size_t len = what.size();
    return len <= of.size() && cp.strnicmp(what.data(), of.data(), len) == 0;
} 
 
bool TCiString::is_suffix(const TStringBuf& what, const TStringBuf& of, const CodePage& cp) {
    size_t len = what.size();
    size_t slen = of.size();
    return (len <= slen) && (0 == cp.strnicmp(what.data(), of.data() + slen - len, len));
} 
 
size_t TCiString::hashVal(const char* s, size_t len, const CodePage& cp) { 
    size_t h = len; 
    for (; /* (*s) && */ len--; ++s) 
        h = 5 * h + cp.ToLower(*s); 
    return h; 
} 
 
template <> 
void Out<TCiString>(IOutputStream& o, const TCiString& p) {
    o.Write(p.data(), p.size());
}