/*
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* Copyright (C) 2016 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 "java/ClassDefinition.h"
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#include "androidfw/StringPiece.h"
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using ::aapt::text::Printer;
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using ::android::StringPiece;
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namespace aapt {
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void ClassMember::Print(bool /*final*/, Printer* printer) const {
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processor_.Print(printer);
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}
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void MethodDefinition::AppendStatement(const StringPiece& statement) {
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statements_.push_back(statement.to_string());
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}
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void MethodDefinition::Print(bool final, Printer* printer) const {
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printer->Print(signature_).Println(" {");
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printer->Indent();
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for (const auto& statement : statements_) {
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printer->Println(statement);
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}
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printer->Undent();
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printer->Print("}");
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}
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ClassDefinition::Result ClassDefinition::AddMember(std::unique_ptr<ClassMember> member) {
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Result result = Result::kAdded;
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auto iter = indexed_members_.find(member->GetName());
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if (iter != indexed_members_.end()) {
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// Overwrite the entry. Be careful, as the key in indexed_members_ is actually memory owned
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// by the value at ordered_members_[index]. Since overwriting a value for a key doesn't replace
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// the key (the initial key inserted into the unordered_map is kept), we must erase and then
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// insert a new key, whose memory is being kept around. We do all this to avoid using more
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// memory for each key.
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size_t index = iter->second;
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// Erase the key + value from the map.
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indexed_members_.erase(iter);
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// Now clear the memory that was backing the key (now erased).
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ordered_members_[index].reset();
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result = Result::kOverridden;
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}
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indexed_members_[member->GetName()] = ordered_members_.size();
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ordered_members_.push_back(std::move(member));
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return result;
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}
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bool ClassDefinition::empty() const {
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for (const std::unique_ptr<ClassMember>& member : ordered_members_) {
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if (member != nullptr && !member->empty()) {
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return false;
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}
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}
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return true;
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}
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void ClassDefinition::Print(bool final, Printer* printer) const {
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if (empty() && !create_if_empty_) {
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return;
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}
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ClassMember::Print(final, printer);
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printer->Print("public ");
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if (qualifier_ == ClassQualifier::kStatic) {
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printer->Print("static ");
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}
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printer->Print("final class ").Print(name_).Println(" {");
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printer->Indent();
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for (const std::unique_ptr<ClassMember>& member : ordered_members_) {
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// There can be nullptr members when a member is added to the ClassDefinition
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// and takes precedence over a previous member with the same name. The overridden member is
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// set to nullptr.
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if (member != nullptr) {
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member->Print(final, printer);
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printer->Println();
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}
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}
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printer->Undent();
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printer->Print("}");
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}
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constexpr static const char* sWarningHeader =
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"/* AUTO-GENERATED FILE. DO NOT MODIFY.\n"
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" *\n"
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" * This class was automatically generated by the\n"
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" * aapt tool from the resource data it found. It\n"
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" * should not be modified by hand.\n"
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" */\n\n";
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void ClassDefinition::WriteJavaFile(const ClassDefinition* def, const StringPiece& package,
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bool final, io::OutputStream* out) {
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Printer printer(out);
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printer.Print(sWarningHeader).Print("package ").Print(package).Println(";");
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printer.Println();
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def->Print(final, &printer);
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}
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} // namespace aapt
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