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17702bc8dd
Asking for size_forward on an iterator that you haven't started reading from is just asking for the length of the original string, so use that instead.
51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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int NS_FASTCALL
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Compare(const nsTSubstring_CharT::base_string_type& aLhs,
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const nsTSubstring_CharT::base_string_type& aRhs,
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const nsTStringComparator_CharT& comp)
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{
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typedef nsTSubstring_CharT::size_type size_type;
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if (&aLhs == &aRhs) {
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return 0;
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}
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nsTSubstring_CharT::const_iterator leftIter, rightIter;
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aLhs.BeginReading(leftIter);
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aRhs.BeginReading(rightIter);
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size_type lLength = aLhs.Length();
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size_type rLength = aRhs.Length();
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size_type lengthToCompare = XPCOM_MIN(lLength, rLength);
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int result;
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if ((result = comp(leftIter.get(), rightIter.get(),
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lengthToCompare, lengthToCompare)) == 0) {
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if (lLength < rLength) {
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result = -1;
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} else if (rLength < lLength) {
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result = 1;
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} else {
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result = 0;
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}
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}
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return result;
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}
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int
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nsTDefaultStringComparator_CharT::operator()(const char_type* aLhs,
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const char_type* aRhs,
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uint32_t aLLength,
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uint32_t aRLength) const
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{
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return
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aLLength == aRLength ? nsCharTraits<CharT>::compare(aLhs, aRhs, aLLength) :
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(aLLength > aRLength) ? 1 : -1;
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}
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