barrier/base/CString.cpp

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#include "CString.h"
#include <cctype>
#include <algorithm>
//
// CStringUtil::CaselessCmp
//
bool
CStringUtil::CaselessCmp::cmpEqual(
const CString::value_type& a,
const CString::value_type& b)
{
// FIXME -- use std::tolower but not in all versions of libstdc++
return tolower(a) == tolower(b);
}
bool
CStringUtil::CaselessCmp::cmpLess(
const CString::value_type& a,
const CString::value_type& b)
{
// FIXME -- use std::tolower but not in all versions of libstdc++
return tolower(a) < tolower(b);
}
bool
CStringUtil::CaselessCmp::less(
const CString& a,
const CString& b)
{
return std::lexicographical_compare(
a.begin(), a.end(),
b.begin(), b.end(),
&CStringUtil::CaselessCmp::cmpLess);
}
bool
CStringUtil::CaselessCmp::equal(
const CString& a,
const CString& b)
{
return !(less(a, b) || less(b, a));
}
bool
CStringUtil::CaselessCmp::operator()(
const CString& a,
const CString& b) const
{
return less(a, b);
}