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