gecko-dev/dom/svg/SVGStringList.cpp
Simon Giesecke 9758d919eb Bug 1583109 - Use StringJoin(Append) where easily possible. r=nika
Bug 1583109 introduced new function templates StringJoin and StringJoinAppend.
These are now used to replace several custom loops across the codebase that
implement string-joining algorithms to simplify the code.

Differential Revision: https://phabricator.services.mozilla.com/D98750
2020-12-17 14:58:18 +00:00

60 lines
1.6 KiB
C++

/* -*- 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 "SVGStringList.h"
#include "nsError.h"
#include "nsCharSeparatedTokenizer.h"
#include "nsContentUtils.h"
#include "nsReadableUtils.h"
#include "nsString.h"
#include "nsWhitespaceTokenizer.h"
#include "SVGContentUtils.h"
namespace mozilla {
nsresult SVGStringList::CopyFrom(const SVGStringList& rhs) {
if (!mStrings.Assign(rhs.mStrings, fallible)) {
return NS_ERROR_OUT_OF_MEMORY;
}
mIsSet = true;
return NS_OK;
}
void SVGStringList::GetValue(nsAString& aValue) const {
aValue = StringJoin(mIsCommaSeparated ? u", "_ns : u" "_ns, mStrings);
}
nsresult SVGStringList::SetValue(const nsAString& aValue) {
SVGStringList temp;
if (mIsCommaSeparated) {
nsCharSeparatedTokenizerTemplate<nsContentUtils::IsHTMLWhitespace>
tokenizer(aValue, ',');
while (tokenizer.hasMoreTokens()) {
if (!temp.AppendItem(tokenizer.nextToken())) {
return NS_ERROR_OUT_OF_MEMORY;
}
}
if (tokenizer.separatorAfterCurrentToken()) {
return NS_ERROR_DOM_SYNTAX_ERR; // trailing comma
}
} else {
nsWhitespaceTokenizerTemplate<nsContentUtils::IsHTMLWhitespace> tokenizer(
aValue);
while (tokenizer.hasMoreTokens()) {
if (!temp.AppendItem(tokenizer.nextToken())) {
return NS_ERROR_OUT_OF_MEMORY;
}
}
}
return CopyFrom(temp);
}
} // namespace mozilla