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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_FIELD_H__
#define GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_FIELD_H__
#include <map>
#include <string>
#include <google/protobuf/compiler/objectivec/objectivec_helpers.h>
#include <google/protobuf/stubs/common.h>
#include <google/protobuf/descriptor.h>
namespace google {
namespace protobuf {
namespace io {
class Printer; // printer.h
} // namespace io
namespace compiler {
namespace objectivec {
class FieldGenerator {
public:
static FieldGenerator* Make(const FieldDescriptor* field);
virtual ~FieldGenerator();
virtual void GenerateFieldStorageDeclaration(io::Printer* printer) const = 0;
virtual void GeneratePropertyDeclaration(io::Printer* printer) const = 0;
virtual void GeneratePropertyImplementation(io::Printer* printer) const = 0;
virtual void GenerateFieldDescription(io::Printer* printer) const;
virtual void GenerateFieldDescriptionTypeSpecific(io::Printer* printer) const;
virtual void GenerateFieldNumberConstant(io::Printer* printer) const;
virtual void GenerateCFunctionDeclarations(io::Printer* printer) const;
virtual void GenerateCFunctionImplementations(io::Printer* printer) const;
virtual void DetermineForwardDeclarations(set<string>* fwd_decls) const;
void SetOneofIndexBase(int index_base);
string variable(const char* key) const {
return variables_.find(key)->second;
}
bool needs_textformat_name_support() const {
const string& field_flags = variable("fieldflags");
return field_flags.find("GPBFieldTextFormatNameCustom") != string::npos;
}
string generated_objc_name() const { return variable("name"); }
string raw_field_name() const { return variable("raw_field_name"); }
protected:
explicit FieldGenerator(const FieldDescriptor* descriptor);
virtual void FinishInitialization(void);
virtual bool WantsHasProperty(void) const = 0;
const FieldDescriptor* descriptor_;
map<string, string> variables_;
private:
GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FieldGenerator);
};
class SingleFieldGenerator : public FieldGenerator {
public:
virtual ~SingleFieldGenerator();
virtual void GenerateFieldStorageDeclaration(io::Printer* printer) const;
virtual void GeneratePropertyDeclaration(io::Printer* printer) const;
virtual void GeneratePropertyImplementation(io::Printer* printer) const;
protected:
explicit SingleFieldGenerator(const FieldDescriptor* descriptor);
virtual bool WantsHasProperty(void) const;
private:
GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(SingleFieldGenerator);
};
// Subclass with common support for when the field ends up as an ObjC Object.
class ObjCObjFieldGenerator : public SingleFieldGenerator {
public:
virtual ~ObjCObjFieldGenerator();
virtual void GenerateFieldStorageDeclaration(io::Printer* printer) const;
virtual void GeneratePropertyDeclaration(io::Printer* printer) const;
protected:
explicit ObjCObjFieldGenerator(const FieldDescriptor* descriptor);
private:
GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ObjCObjFieldGenerator);
};
class RepeatedFieldGenerator : public ObjCObjFieldGenerator {
public:
virtual ~RepeatedFieldGenerator();
virtual void GenerateFieldStorageDeclaration(io::Printer* printer) const;
virtual void GeneratePropertyDeclaration(io::Printer* printer) const;
virtual void GeneratePropertyImplementation(io::Printer* printer) const;
protected:
explicit RepeatedFieldGenerator(const FieldDescriptor* descriptor);
virtual void FinishInitialization(void);
virtual bool WantsHasProperty(void) const;
private:
GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(RepeatedFieldGenerator);
};
// Convenience class which constructs FieldGenerators for a Descriptor.
class FieldGeneratorMap {
public:
explicit FieldGeneratorMap(const Descriptor* descriptor);
~FieldGeneratorMap();
const FieldGenerator& get(const FieldDescriptor* field) const;
const FieldGenerator& get_extension(int index) const;
void SetOneofIndexBase(int index_base);
private:
const Descriptor* descriptor_;
scoped_array<scoped_ptr<FieldGenerator> > field_generators_;
scoped_array<scoped_ptr<FieldGenerator> > extension_generators_;
GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FieldGeneratorMap);
};
} // namespace objectivec
} // namespace compiler
} // namespace protobuf
} // namespace google
#endif // GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_FIELD_H__
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