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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 "compile/XmlIdCollector.h"
#include <algorithm>
#include <vector>
#include "ResourceUtils.h"
#include "ResourceValues.h"
#include "text/Unicode.h"
#include "trace/TraceBuffer.h"
#include "xml/XmlDom.h"
namespace aapt {
namespace {
static bool cmp_name(const SourcedResourceName& a, const ResourceNameRef& b) {
return a.name < b;
}
struct IdCollector : public xml::Visitor {
public:
using xml::Visitor::Visit;
explicit IdCollector(std::vector<SourcedResourceName>* out_symbols,
SourcePathDiagnostics* source_diag) : out_symbols_(out_symbols),
source_diag_(source_diag) {}
void Visit(xml::Element* element) override {
for (xml::Attribute& attr : element->attributes) {
ResourceNameRef name;
bool create = false;
if (ResourceUtils::ParseReference(attr.value, &name, &create, nullptr)) {
if (create && name.type == ResourceType::kId) {
if (!text::IsValidResourceEntryName(name.entry)) {
source_diag_->Error(DiagMessage(element->line_number)
<< "id '" << name << "' has an invalid entry name");
} else {
auto iter = std::lower_bound(out_symbols_->begin(),
out_symbols_->end(), name, cmp_name);
if (iter == out_symbols_->end() || iter->name != name) {
out_symbols_->insert(iter, SourcedResourceName{name.ToResourceName(),
element->line_number});
}
}
}
}
}
xml::Visitor::Visit(element);
}
private:
std::vector<SourcedResourceName>* out_symbols_;
SourcePathDiagnostics* source_diag_;
};
} // namespace
bool XmlIdCollector::Consume(IAaptContext* context, xml::XmlResource* xmlRes) {
TRACE_CALL();
xmlRes->file.exported_symbols.clear();
SourcePathDiagnostics source_diag(xmlRes->file.source, context->GetDiagnostics());
IdCollector collector(&xmlRes->file.exported_symbols, &source_diag);
xmlRes->root->Accept(&collector);
return !source_diag.HadError();
}
} // namespace aapt
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