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https://github.com/mozilla/gecko-dev.git
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cb0e6b4512
This is needed for patch 4. MozReview-Commit-ID: 4BFlTtQdtoN --HG-- extra : transplant_source : %7C%F7%FDN%E5%7Df%0C%7D%10%EF%C0%25%B9%D6%18%1E%93%BE%A0
84 lines
2.9 KiB
C++
84 lines
2.9 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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void
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nsTDependentSubstring_CharT::Rebind(const substring_type& str,
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uint32_t startPos, uint32_t length)
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{
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// If we currently own a buffer, release it.
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Finalize();
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size_type strLength = str.Length();
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if (startPos > strLength) {
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startPos = strLength;
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}
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char_type* newData =
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const_cast<char_type*>(static_cast<const char_type*>(str.Data())) + startPos;
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size_type newLength = XPCOM_MIN(length, strLength - startPos);
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DataFlags newDataFlags = DataFlags(0);
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SetData(newData, newLength, newDataFlags);
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}
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void
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nsTDependentSubstring_CharT::Rebind(const char_type* data, size_type length)
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{
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NS_ASSERTION(data, "nsTDependentSubstring must wrap a non-NULL buffer");
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// If we currently own a buffer, release it.
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Finalize();
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char_type* newData =
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const_cast<char_type*>(static_cast<const char_type*>(data));
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size_type newLength = length;
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DataFlags newDataFlags = DataFlags(0);
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SetData(newData, newLength, newDataFlags);
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}
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void
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nsTDependentSubstring_CharT::Rebind(const char_type* aStart, const char_type* aEnd)
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{
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MOZ_RELEASE_ASSERT(aStart <= aEnd, "Overflow!");
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Rebind(aStart, size_type(aEnd - aStart));
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}
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nsTDependentSubstring_CharT::nsTDependentSubstring_CharT(const char_type* aStart,
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const char_type* aEnd)
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: substring_type(const_cast<char_type*>(aStart), uint32_t(aEnd - aStart),
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DataFlags(0), ClassFlags(0))
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{
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MOZ_RELEASE_ASSERT(aStart <= aEnd, "Overflow!");
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}
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#if defined(CharT_is_PRUnichar) && defined(MOZ_USE_CHAR16_WRAPPER)
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nsTDependentSubstring_CharT::nsTDependentSubstring_CharT(char16ptr_t aStart,
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char16ptr_t aEnd)
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: nsTDependentSubstring_CharT(static_cast<const char16_t*>(aStart),
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static_cast<const char16_t*>(aEnd))
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{
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MOZ_RELEASE_ASSERT(static_cast<const char16_t*>(aStart) <=
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static_cast<const char16_t*>(aEnd),
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"Overflow!");
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}
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#endif
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nsTDependentSubstring_CharT::nsTDependentSubstring_CharT(const const_iterator& aStart,
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const const_iterator& aEnd)
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: substring_type(const_cast<char_type*>(aStart.get()),
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uint32_t(aEnd.get() - aStart.get()),
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DataFlags(0), ClassFlags(0))
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{
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MOZ_RELEASE_ASSERT(aStart.get() <= aEnd.get(), "Overflow!");
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}
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const nsTDependentSubstring_CharT
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Substring(const CharT* aStart, const CharT* aEnd)
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{
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MOZ_RELEASE_ASSERT(aStart <= aEnd, "Overflow!");
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return nsTDependentSubstring_CharT(aStart, aEnd);
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}
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