mirror of
https://github.com/mozilla/gecko-dev.git
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66 lines
2.0 KiB
C++
66 lines
2.0 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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#include "SVGNumberList.h"
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#include "mozilla/ArrayUtils.h"
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#include "nsCharSeparatedTokenizer.h"
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#include "nsContentUtils.h"
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#include "nsString.h"
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#include "nsTextFormatter.h"
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#include "SVGContentUtils.h"
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namespace mozilla {
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nsresult SVGNumberList::CopyFrom(const SVGNumberList& rhs) {
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if (!mNumbers.Assign(rhs.mNumbers, fallible)) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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return NS_OK;
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}
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void SVGNumberList::GetValueAsString(nsAString& aValue) const {
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aValue.Truncate();
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char16_t buf[24];
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uint32_t last = mNumbers.Length() - 1;
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for (uint32_t i = 0; i < mNumbers.Length(); ++i) {
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// Would like to use aValue.AppendPrintf("%f", mNumbers[i]), but it's not
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// possible to always avoid trailing zeros.
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nsTextFormatter::snprintf(buf, ArrayLength(buf), u"%g",
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double(mNumbers[i]));
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// We ignore OOM, since it's not useful for us to return an error.
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aValue.Append(buf);
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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 SVGNumberList::SetValueFromString(const nsAString& aValue) {
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SVGNumberList temp;
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nsCharSeparatedTokenizerTemplate<nsContentUtils::IsHTMLWhitespace,
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nsTokenizerFlags::SeparatorOptional>
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tokenizer(aValue, ',');
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while (tokenizer.hasMoreTokens()) {
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float num;
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if (!SVGContentUtils::ParseNumber(tokenizer.nextToken(), num)) {
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return NS_ERROR_DOM_SYNTAX_ERR;
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}
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if (!temp.AppendItem(num)) {
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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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mNumbers = std::move(temp.mNumbers);
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return NS_OK;
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}
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} // namespace mozilla
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