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Diffstat (limited to 'third_party/protobuf/3.0.0/src/google/protobuf/compiler/javanano/javanano_field.h')
-rw-r--r-- | third_party/protobuf/3.0.0/src/google/protobuf/compiler/javanano/javanano_field.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/third_party/protobuf/3.0.0/src/google/protobuf/compiler/javanano/javanano_field.h b/third_party/protobuf/3.0.0/src/google/protobuf/compiler/javanano/javanano_field.h new file mode 100644 index 0000000000..57c221f47c --- /dev/null +++ b/third_party/protobuf/3.0.0/src/google/protobuf/compiler/javanano/javanano_field.h @@ -0,0 +1,130 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. All rights reserved. +// http://code.google.com/p/protobuf/ +// +// 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. + +// Author: kenton@google.com (Kenton Varda) +// Based on original Protocol Buffers design by +// Sanjay Ghemawat, Jeff Dean, and others. + +#ifndef GOOGLE_PROTOBUF_COMPILER_JAVANANO_FIELD_H__ +#define GOOGLE_PROTOBUF_COMPILER_JAVANANO_FIELD_H__ + +#include <map> +#include <string> +#include <google/protobuf/stubs/common.h> +#include <google/protobuf/descriptor.h> +#include <google/protobuf/compiler/javanano/javanano_params.h> + +namespace google { +namespace protobuf { + namespace io { + class Printer; // printer.h + } +} + +namespace protobuf { +namespace compiler { +namespace javanano { + +class FieldGenerator { + public: + FieldGenerator(const Params& params) : params_(params) {} + virtual ~FieldGenerator(); + + virtual bool SavedDefaultNeeded() const; + virtual void GenerateInitSavedDefaultCode(io::Printer* printer) const; + + // Generates code for Java fields and methods supporting this field. + // If this field needs a saved default (SavedDefaultNeeded() is true), + // then @lazy_init controls how the static field for that default value + // and its initialization code should be generated. If @lazy_init is + // true, the static field is not declared final and the initialization + // code is generated only when GenerateInitSavedDefaultCode is called; + // otherwise, the static field is declared final and initialized inline. + // GenerateInitSavedDefaultCode will not be called in the latter case. + virtual void GenerateMembers( + io::Printer* printer, bool lazy_init) const = 0; + + virtual void GenerateClearCode(io::Printer* printer) const = 0; + virtual void GenerateMergingCode(io::Printer* printer) const = 0; + + // Generates code to merge from packed serialized form. The default + // implementation will fail; subclasses which can handle packed serialized + // forms will override this and print appropriate code to the printer. + virtual void GenerateMergingCodeFromPacked(io::Printer* printer) const; + + virtual void GenerateSerializationCode(io::Printer* printer) const = 0; + virtual void GenerateSerializedSizeCode(io::Printer* printer) const = 0; + virtual void GenerateEqualsCode(io::Printer* printer) const = 0; + virtual void GenerateHashCodeCode(io::Printer* printer) const = 0; + virtual void GenerateFixClonedCode(io::Printer* printer) const {} + + protected: + const Params& params_; + private: + GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FieldGenerator); +}; + +// Convenience class which constructs FieldGenerators for a Descriptor. +class FieldGeneratorMap { + public: + explicit FieldGeneratorMap(const Descriptor* descriptor, const Params ¶ms); + ~FieldGeneratorMap(); + + const FieldGenerator& get(const FieldDescriptor* field) const; + int total_bits() const { return total_bits_; } + bool saved_defaults_needed() const { return saved_defaults_needed_; } + + private: + const Descriptor* descriptor_; + scoped_array<scoped_ptr<FieldGenerator> > field_generators_; + int total_bits_; + bool saved_defaults_needed_; + + static FieldGenerator* MakeGenerator(const FieldDescriptor* field, + const Params ¶ms, int* next_has_bit_index); + + GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(FieldGeneratorMap); +}; + +void SetCommonOneofVariables(const FieldDescriptor* descriptor, + map<string, string>* variables); +void GenerateOneofFieldEquals(const FieldDescriptor* descriptor, + const map<string, string>& variables, + io::Printer* printer); +void GenerateOneofFieldHashCode(const FieldDescriptor* descriptor, + const map<string, string>& variables, + io::Printer* printer); + +} // namespace javanano +} // namespace compiler +} // namespace protobuf + +} // namespace google +#endif // GOOGLE_PROTOBUF_COMPILER_JAVANANO_FIELD_H__ |