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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.
*/
#ifndef AAPT_JAVA_CLASSDEFINITION_H
#define AAPT_JAVA_CLASSDEFINITION_H
#include "Resource.h"
#include "java/AnnotationProcessor.h"
#include "util/StringPiece.h"
#include "util/Util.h"
#include <android-base/macros.h>
#include <sstream>
#include <string>
namespace aapt {
// The number of attributes to emit per line in a Styleable array.
constexpr static size_t kAttribsPerLine = 4;
constexpr static const char* kIndent = " ";
class ClassMember {
public:
virtual ~ClassMember() = default;
AnnotationProcessor* getCommentBuilder() {
return &mProcessor;
}
virtual bool empty() const = 0;
virtual void writeToStream(const StringPiece& prefix, bool final, std::ostream* out) const {
mProcessor.writeToStream(out, prefix);
}
private:
AnnotationProcessor mProcessor;
};
template <typename T>
class PrimitiveMember : public ClassMember {
public:
PrimitiveMember(const StringPiece& name, const T& val) :
mName(name.toString()), mVal(val) {
}
bool empty() const override {
return false;
}
void writeToStream(const StringPiece& prefix, bool final, std::ostream* out) const override {
ClassMember::writeToStream(prefix, final, out);
*out << prefix << "public static " << (final ? "final " : "")
<< "int " << mName << "=" << mVal << ";";
}
private:
std::string mName;
T mVal;
DISALLOW_COPY_AND_ASSIGN(PrimitiveMember);
};
/**
* Specialization for strings so they get the right type and are quoted with "".
*/
template <>
class PrimitiveMember<std::string> : public ClassMember {
public:
PrimitiveMember(const StringPiece& name, const std::string& val) :
mName(name.toString()), mVal(val) {
}
bool empty() const override {
return false;
}
void writeToStream(const StringPiece& prefix, bool final, std::ostream* out) const override {
ClassMember::writeToStream(prefix, final, out);
*out << prefix << "public static " << (final ? "final " : "")
<< "String " << mName << "=\"" << mVal << "\";";
}
private:
std::string mName;
std::string mVal;
DISALLOW_COPY_AND_ASSIGN(PrimitiveMember);
};
using IntMember = PrimitiveMember<uint32_t>;
using ResourceMember = PrimitiveMember<ResourceId>;
using StringMember = PrimitiveMember<std::string>;
template <typename T>
class PrimitiveArrayMember : public ClassMember {
public:
PrimitiveArrayMember(const StringPiece& name) :
mName(name.toString()) {
}
void addElement(const T& val) {
mElements.push_back(val);
}
bool empty() const override {
return false;
}
void writeToStream(const StringPiece& prefix, bool final, std::ostream* out) const override {
ClassMember::writeToStream(prefix, final, out);
*out << prefix << "public static final int[] " << mName << "={";
const auto begin = mElements.begin();
const auto end = mElements.end();
for (auto current = begin; current != end; ++current) {
if (std::distance(begin, current) % kAttribsPerLine == 0) {
*out << "\n" << prefix << kIndent << kIndent;
}
*out << *current;
if (std::distance(current, end) > 1) {
*out << ", ";
}
}
*out << "\n" << prefix << kIndent <<"};";
}
private:
std::string mName;
std::vector<T> mElements;
DISALLOW_COPY_AND_ASSIGN(PrimitiveArrayMember);
};
using ResourceArrayMember = PrimitiveArrayMember<ResourceId>;
enum class ClassQualifier {
None,
Static
};
class ClassDefinition : public ClassMember {
public:
static bool writeJavaFile(const ClassDefinition* def,
const StringPiece& package,
bool final,
std::ostream* out);
ClassDefinition(const StringPiece& name, ClassQualifier qualifier, bool createIfEmpty) :
mName(name.toString()), mQualifier(qualifier), mCreateIfEmpty(createIfEmpty) {
}
void addMember(std::unique_ptr<ClassMember> member) {
mMembers.push_back(std::move(member));
}
bool empty() const override;
void writeToStream(const StringPiece& prefix, bool final, std::ostream* out) const override;
private:
std::string mName;
ClassQualifier mQualifier;
bool mCreateIfEmpty;
std::vector<std::unique_ptr<ClassMember>> mMembers;
DISALLOW_COPY_AND_ASSIGN(ClassDefinition);
};
} // namespace aapt
#endif /* AAPT_JAVA_CLASSDEFINITION_H */
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