зеркало из https://github.com/mozilla/gecko-dev.git
82 строки
2.0 KiB
C++
82 строки
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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#include "SVGLengthList.h"
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#include "nsCharSeparatedTokenizer.h"
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#include "nsError.h"
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#include "nsString.h"
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#include "nsSVGElement.h"
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#include "SVGAnimatedLengthList.h"
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#include "SVGContentUtils.h"
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#include "SVGLength.h"
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namespace mozilla {
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nsresult
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SVGLengthList::CopyFrom(const SVGLengthList& rhs)
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{
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if (!mLengths.SetCapacity(rhs.Length())) {
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// Yes, we do want fallible alloc here
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return NS_ERROR_OUT_OF_MEMORY;
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}
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mLengths = rhs.mLengths;
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return NS_OK;
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}
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void
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SVGLengthList::GetValueAsString(nsAString& aValue) const
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{
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aValue.Truncate();
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uint32_t last = mLengths.Length() - 1;
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for (uint32_t i = 0; i < mLengths.Length(); ++i) {
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nsAutoString length;
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mLengths[i].GetValueAsString(length);
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// We ignore OOM, since it's not useful for us to return an error.
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aValue.Append(length);
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if (i != last) {
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aValue.Append(' ');
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}
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}
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}
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nsresult
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SVGLengthList::SetValueFromString(const nsAString& aValue)
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{
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SVGLengthList temp;
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nsCharSeparatedTokenizerTemplate<IsSVGWhitespace>
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tokenizer(aValue, ',', nsCharSeparatedTokenizer::SEPARATOR_OPTIONAL);
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while (tokenizer.hasMoreTokens()) {
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SVGLength length;
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if (!length.SetValueFromString(tokenizer.nextToken())) {
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return NS_ERROR_DOM_SYNTAX_ERR;
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}
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if (!temp.AppendItem(length)) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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}
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if (tokenizer.separatorAfterCurrentToken()) {
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return NS_ERROR_DOM_SYNTAX_ERR; // trailing comma
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}
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return CopyFrom(temp);
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}
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bool
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SVGLengthList::operator==(const SVGLengthList& rhs) const
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{
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if (Length() != rhs.Length()) {
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return false;
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}
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for (uint32_t i = 0; i < Length(); ++i) {
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if (!(mLengths[i] == rhs.mLengths[i])) {
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return false;
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}
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}
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return true;
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}
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} // namespace mozilla
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