gecko-dev/xpcom/string/nsStringComparator.cpp

40 строки
1.3 KiB
C++
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
2012-05-21 15:12:37 +04:00
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <ctype.h>
#include "nsAString.h"
#include "plstr.h"
// define nsStringComparator
#include "string-template-def-unichar.h"
#include "nsTStringComparator.cpp"
#include "string-template-undef.h"
// define nsCStringComparator
#include "string-template-def-char.h"
#include "nsTStringComparator.cpp"
#include "string-template-undef.h"
int
nsCaseInsensitiveCStringComparator::operator()(const char_type* aLhs,
const char_type* aRhs,
uint32_t aLhsLength,
uint32_t aRhsLength) const
{
if (aLhsLength != aRhsLength) {
return (aLhsLength > aRhsLength) ? 1 : -1;
}
int32_t result = int32_t(PL_strncasecmp(aLhs, aRhs, aLhsLength));
//Egads. PL_strncasecmp is returning *very* negative numbers.
//Some folks expect -1,0,1, so let's temper its enthusiasm.
if (result < 0) {
result = -1;
}
return result;
}