467f171315
Also moved some XML specific stuff into its own directory, and refactored ReferenceLinker a bit. Change-Id: I912247a82023c1bbf72dc191fbdaf62858cbec0c
126 lines
4.1 KiB
C++
126 lines
4.1 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "Source.h"
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#include "java/AnnotationProcessor.h"
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#include "java/ClassDefinitionWriter.h"
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#include "java/ManifestClassGenerator.h"
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#include "util/Maybe.h"
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#include "xml/XmlDom.h"
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#include <algorithm>
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namespace aapt {
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static Maybe<StringPiece16> extractJavaIdentifier(IDiagnostics* diag, const Source& source,
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const StringPiece16& value) {
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const StringPiece16 sep = u".";
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auto iter = std::find_end(value.begin(), value.end(), sep.begin(), sep.end());
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StringPiece16 result;
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if (iter != value.end()) {
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result.assign(iter + sep.size(), value.end() - (iter + sep.size()));
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} else {
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result = value;
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}
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if (result.empty()) {
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diag->error(DiagMessage(source) << "empty symbol");
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return {};
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}
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iter = util::findNonAlphaNumericAndNotInSet(result, u"_");
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if (iter != result.end()) {
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diag->error(DiagMessage(source)
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<< "invalid character '" << StringPiece16(iter, 1)
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<< "' in '" << result << "'");
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return {};
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}
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if (*result.begin() >= u'0' && *result.begin() <= u'9') {
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diag->error(DiagMessage(source) << "symbol can not start with a digit");
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return {};
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}
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return result;
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}
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static bool writeSymbol(IDiagnostics* diag, ClassDefinitionWriter* outClassDef, const Source& source,
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xml::Element* el) {
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xml::Attribute* attr = el->findAttribute(xml::kSchemaAndroid, u"name");
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if (!attr) {
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diag->error(DiagMessage(source) << "<" << el->name << "> must define 'android:name'");
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return false;
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}
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Maybe<StringPiece16> result = extractJavaIdentifier(diag, source.withLine(el->lineNumber),
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attr->value);
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if (!result) {
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return false;
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}
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AnnotationProcessor processor;
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processor.appendComment(el->comment);
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outClassDef->addStringMember(result.value(), &processor, attr->value);
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return true;
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}
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bool ManifestClassGenerator::generate(IDiagnostics* diag, const StringPiece16& package,
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xml::XmlResource* res, std::ostream* out) {
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xml::Element* el = xml::findRootElement(res->root.get());
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if (!el) {
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return false;
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}
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if (el->name != u"manifest" && !el->namespaceUri.empty()) {
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diag->error(DiagMessage(res->file.source) << "no <manifest> root tag defined");
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return false;
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}
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*out << "package " << package << ";\n\n"
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<< "public final class Manifest {\n";
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bool error = false;
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std::vector<xml::Element*> children = el->getChildElements();
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ClassDefinitionWriterOptions classOptions;
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classOptions.useFinalQualifier = true;
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classOptions.forceCreationIfEmpty = false;
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// First write out permissions.
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ClassDefinitionWriter classDef("permission", classOptions);
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for (xml::Element* childEl : children) {
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if (childEl->namespaceUri.empty() && childEl->name == u"permission") {
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error |= !writeSymbol(diag, &classDef, res->file.source, childEl);
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}
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}
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classDef.writeToStream(out, " ");
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// Next write out permission groups.
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classDef = ClassDefinitionWriter("permission_group", classOptions);
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for (xml::Element* childEl : children) {
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if (childEl->namespaceUri.empty() && childEl->name == u"permission-group") {
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error |= !writeSymbol(diag, &classDef, res->file.source, childEl);
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}
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}
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classDef.writeToStream(out, " ");
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*out << "}\n";
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return !error;
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}
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} // namespace aapt
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