diff options
Diffstat (limited to 'third_party/protobuf/3.0.0/src/google/protobuf/compiler/javanano/javanano_extension.cc')
-rw-r--r-- | third_party/protobuf/3.0.0/src/google/protobuf/compiler/javanano/javanano_extension.cc | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/third_party/protobuf/3.0.0/src/google/protobuf/compiler/javanano/javanano_extension.cc b/third_party/protobuf/3.0.0/src/google/protobuf/compiler/javanano/javanano_extension.cc new file mode 100644 index 0000000000..0b9d1d8de7 --- /dev/null +++ b/third_party/protobuf/3.0.0/src/google/protobuf/compiler/javanano/javanano_extension.cc @@ -0,0 +1,150 @@ +// 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: bduff@google.com (Brian Duff) + +#include <google/protobuf/compiler/javanano/javanano_extension.h> +#include <google/protobuf/compiler/javanano/javanano_helpers.h> +#include <google/protobuf/io/printer.h> +#include <google/protobuf/stubs/strutil.h> +#include <google/protobuf/wire_format.h> + +namespace google { +namespace protobuf { +namespace compiler { +namespace javanano { + +using internal::WireFormat; +using internal::WireFormatLite; + +namespace { + +const char* GetTypeConstantName(const FieldDescriptor::Type type) { + switch (type) { + case FieldDescriptor::TYPE_INT32 : return "TYPE_INT32" ; + case FieldDescriptor::TYPE_UINT32 : return "TYPE_UINT32" ; + case FieldDescriptor::TYPE_SINT32 : return "TYPE_SINT32" ; + case FieldDescriptor::TYPE_FIXED32 : return "TYPE_FIXED32" ; + case FieldDescriptor::TYPE_SFIXED32: return "TYPE_SFIXED32"; + case FieldDescriptor::TYPE_INT64 : return "TYPE_INT64" ; + case FieldDescriptor::TYPE_UINT64 : return "TYPE_UINT64" ; + case FieldDescriptor::TYPE_SINT64 : return "TYPE_SINT64" ; + case FieldDescriptor::TYPE_FIXED64 : return "TYPE_FIXED64" ; + case FieldDescriptor::TYPE_SFIXED64: return "TYPE_SFIXED64"; + case FieldDescriptor::TYPE_FLOAT : return "TYPE_FLOAT" ; + case FieldDescriptor::TYPE_DOUBLE : return "TYPE_DOUBLE" ; + case FieldDescriptor::TYPE_BOOL : return "TYPE_BOOL" ; + case FieldDescriptor::TYPE_STRING : return "TYPE_STRING" ; + case FieldDescriptor::TYPE_BYTES : return "TYPE_BYTES" ; + case FieldDescriptor::TYPE_ENUM : return "TYPE_ENUM" ; + case FieldDescriptor::TYPE_GROUP : return "TYPE_GROUP" ; + case FieldDescriptor::TYPE_MESSAGE : return "TYPE_MESSAGE" ; + + // No default because we want the compiler to complain if any new + // types are added. + } + + GOOGLE_LOG(FATAL) << "Can't get here."; + return NULL; +} + +} // namespace + +void SetVariables(const FieldDescriptor* descriptor, const Params params, + map<string, string>* variables) { + (*variables)["extends"] = ClassName(params, descriptor->containing_type()); + (*variables)["name"] = RenameJavaKeywords(UnderscoresToCamelCase(descriptor)); + bool repeated = descriptor->is_repeated(); + (*variables)["repeated"] = repeated ? "Repeated" : ""; + (*variables)["type"] = GetTypeConstantName(descriptor->type()); + JavaType java_type = GetJavaType(descriptor->type()); + string tag = SimpleItoa(WireFormat::MakeTag(descriptor)); + if (java_type == JAVATYPE_MESSAGE) { + (*variables)["ext_type"] = "MessageTyped"; + string message_type = ClassName(params, descriptor->message_type()); + if (repeated) { + message_type += "[]"; + } + (*variables)["class"] = message_type; + // For message typed extensions, tags_params contains a single tag + // for both singular and repeated cases. + (*variables)["tag_params"] = tag; + } else { + (*variables)["ext_type"] = "PrimitiveTyped"; + if (!repeated) { + (*variables)["class"] = BoxedPrimitiveTypeName(java_type); + (*variables)["tag_params"] = tag; + } else { + (*variables)["class"] = PrimitiveTypeName(java_type) + "[]"; + if (!descriptor->is_packable()) { + // Non-packable: nonPackedTag == tag, packedTag == 0 + (*variables)["tag_params"] = tag + ", " + tag + ", 0"; + } else if (descriptor->options().packed()) { + // Packable and packed: tag == packedTag + string non_packed_tag = SimpleItoa(WireFormatLite::MakeTag( + descriptor->number(), + WireFormat::WireTypeForFieldType(descriptor->type()))); + (*variables)["tag_params"] = tag + ", " + non_packed_tag + ", " + tag; + } else { + // Packable and not packed: tag == nonPackedTag + string packed_tag = SimpleItoa(WireFormatLite::MakeTag( + descriptor->number(), WireFormatLite::WIRETYPE_LENGTH_DELIMITED)); + (*variables)["tag_params"] = tag + ", " + tag + ", " + packed_tag; + } + } + } +} + +ExtensionGenerator:: +ExtensionGenerator(const FieldDescriptor* descriptor, const Params& params) + : params_(params), descriptor_(descriptor) { + SetVariables(descriptor, params, &variables_); +} + +ExtensionGenerator::~ExtensionGenerator() {} + +void ExtensionGenerator::Generate(io::Printer* printer) const { + printer->Print("\n"); + PrintFieldComment(printer, descriptor_); + printer->Print(variables_, + "public static final com.google.protobuf.nano.Extension<\n" + " $extends$,\n" + " $class$> $name$ =\n" + " com.google.protobuf.nano.Extension.create$repeated$$ext_type$(\n" + " com.google.protobuf.nano.Extension.$type$,\n" + " $class$.class,\n" + " $tag_params$L);\n"); +} + +} // namespace javanano +} // namespace compiler +} // namespace protobuf +} // namespace google + |