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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "AppInfo.h"
#include "Logger.h"
#include "ManifestParser.h"
#include "Source.h"
#include "XmlPullParser.h"
#include <string>
namespace aapt {
bool ManifestParser::parse(const Source& source, std::shared_ptr<XmlPullParser> parser,
AppInfo* outInfo) {
SourceLogger logger = { source };
int depth = 0;
while (XmlPullParser::isGoodEvent(parser->next())) {
XmlPullParser::Event event = parser->getEvent();
if (event == XmlPullParser::Event::kEndElement) {
depth--;
continue;
} else if (event != XmlPullParser::Event::kStartElement) {
continue;
}
depth++;
const std::u16string& element = parser->getElementName();
if (depth == 1) {
if (element == u"manifest") {
if (!parseManifest(logger, parser, outInfo)) {
return false;
}
} else {
logger.error()
<< "unexpected top-level element '"
<< element
<< "'."
<< std::endl;
return false;
}
} else {
XmlPullParser::skipCurrentElement(parser.get());
}
}
if (parser->getEvent() == XmlPullParser::Event::kBadDocument) {
logger.error(parser->getLineNumber())
<< "failed to parse manifest: "
<< parser->getLastError()
<< "."
<< std::endl;
return false;
}
return true;
}
bool ManifestParser::parseManifest(SourceLogger& logger, std::shared_ptr<XmlPullParser> parser,
AppInfo* outInfo) {
auto attrIter = parser->findAttribute(u"", u"package");
if (attrIter == parser->endAttributes() || attrIter->value.empty()) {
logger.error() << "no 'package' attribute found for element <manifest>." << std::endl;
return false;
}
outInfo->package = attrIter->value;
return true;
}
} // namespace aapt
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