212 lines
8.2 KiB
C++
212 lines
8.2 KiB
C++
// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// http://code.google.com/p/protobuf/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Author: kenton@google.com (Kenton Varda)
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// Based on original Protocol Buffers design by
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// Sanjay Ghemawat, Jeff Dean, and others.
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// Copyright (c) 2008-2013, Dave Benson. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Modified to implement C code by Dave Benson.
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#include <protoc-c/c_primitive_field.h>
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#include <protoc-c/c_helpers.h>
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#include <google/protobuf/io/printer.h>
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#include <google/protobuf/wire_format.h>
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namespace google {
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namespace protobuf {
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namespace compiler {
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namespace c {
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PrimitiveFieldGenerator::
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PrimitiveFieldGenerator(const FieldDescriptor* descriptor)
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: FieldGenerator(descriptor) {
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}
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PrimitiveFieldGenerator::~PrimitiveFieldGenerator() {}
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void PrimitiveFieldGenerator::GenerateStructMembers(io::Printer* printer) const
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{
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string c_type;
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std::map<string, string> vars;
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switch (descriptor_->type()) {
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case FieldDescriptor::TYPE_SINT32 :
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case FieldDescriptor::TYPE_SFIXED32:
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case FieldDescriptor::TYPE_INT32 : c_type = "int32_t"; break;
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case FieldDescriptor::TYPE_SINT64 :
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case FieldDescriptor::TYPE_SFIXED64:
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case FieldDescriptor::TYPE_INT64 : c_type = "int64_t"; break;
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case FieldDescriptor::TYPE_UINT32 :
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case FieldDescriptor::TYPE_FIXED32 : c_type = "uint32_t"; break;
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case FieldDescriptor::TYPE_UINT64 :
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case FieldDescriptor::TYPE_FIXED64 : c_type = "uint64_t"; break;
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case FieldDescriptor::TYPE_FLOAT : c_type = "float"; break;
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case FieldDescriptor::TYPE_DOUBLE : c_type = "double"; break;
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case FieldDescriptor::TYPE_BOOL : c_type = "protobuf_c_boolean"; break;
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case FieldDescriptor::TYPE_ENUM :
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case FieldDescriptor::TYPE_STRING :
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case FieldDescriptor::TYPE_BYTES :
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case FieldDescriptor::TYPE_GROUP :
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case FieldDescriptor::TYPE_MESSAGE : GOOGLE_LOG(FATAL) << "not a primitive type"; break;
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// No default because we want the compiler to complain if any new
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// types are added.
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}
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vars["c_type"] = c_type;
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vars["name"] = FieldName(descriptor_);
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vars["deprecated"] = FieldDeprecated(descriptor_);
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switch (descriptor_->label()) {
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case FieldDescriptor::LABEL_REQUIRED:
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printer->Print(vars, "$c_type$ $name$$deprecated$;\n");
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break;
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case FieldDescriptor::LABEL_OPTIONAL:
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if (descriptor_->containing_oneof() == NULL && FieldSyntax(descriptor_) == 2)
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printer->Print(vars, "protobuf_c_boolean has_$name$$deprecated$;\n");
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printer->Print(vars, "$c_type$ $name$$deprecated$;\n");
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break;
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case FieldDescriptor::LABEL_REPEATED:
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printer->Print(vars, "size_t n_$name$$deprecated$;\n");
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printer->Print(vars, "$c_type$ *$name$$deprecated$;\n");
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break;
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}
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}
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string PrimitiveFieldGenerator::GetDefaultValue() const
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{
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/* XXX: SimpleItoa seems woefully inadequate for anything but int32,
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* but that's what protobuf uses. */
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switch (descriptor_->cpp_type()) {
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case FieldDescriptor::CPPTYPE_INT32:
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return SimpleItoa(descriptor_->default_value_int32());
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case FieldDescriptor::CPPTYPE_INT64:
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return SimpleItoa(descriptor_->default_value_int64()) + "ll";
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case FieldDescriptor::CPPTYPE_UINT32:
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return SimpleItoa(descriptor_->default_value_uint32()) + "u";
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case FieldDescriptor::CPPTYPE_UINT64:
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return SimpleItoa(descriptor_->default_value_uint64()) + "ull";
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case FieldDescriptor::CPPTYPE_FLOAT:
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return SimpleFtoa(descriptor_->default_value_float());
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case FieldDescriptor::CPPTYPE_DOUBLE:
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return SimpleDtoa(descriptor_->default_value_double());
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case FieldDescriptor::CPPTYPE_BOOL:
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return descriptor_->default_value_bool() ? "1" : "0";
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default:
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GOOGLE_LOG(DFATAL) << "unexpected CPPTYPE in c_primitive_field";
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return "UNEXPECTED_CPPTYPE";
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}
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}
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void PrimitiveFieldGenerator::GenerateStaticInit(io::Printer* printer) const
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{
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std::map<string, string> vars;
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if (descriptor_->has_default_value()) {
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vars["default_value"] = GetDefaultValue();
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} else {
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vars["default_value"] = "0";
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}
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switch (descriptor_->label()) {
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case FieldDescriptor::LABEL_REQUIRED:
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printer->Print(vars, "$default_value$");
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break;
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case FieldDescriptor::LABEL_OPTIONAL:
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if (FieldSyntax(descriptor_) == 2)
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printer->Print(vars, "0, ");
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printer->Print(vars, "$default_value$");
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break;
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case FieldDescriptor::LABEL_REPEATED:
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printer->Print("0,NULL");
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break;
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}
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}
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void PrimitiveFieldGenerator::GenerateDescriptorInitializer(io::Printer* printer) const
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{
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string c_type_macro;
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switch (descriptor_->type()) {
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#define WRITE_CASE(shortname) case FieldDescriptor::TYPE_##shortname: c_type_macro = #shortname; break;
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WRITE_CASE(INT32)
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WRITE_CASE(SINT32)
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WRITE_CASE(UINT32)
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WRITE_CASE(SFIXED32)
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WRITE_CASE(FIXED32)
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WRITE_CASE(INT64)
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WRITE_CASE(SINT64)
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WRITE_CASE(UINT64)
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WRITE_CASE(FIXED64)
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WRITE_CASE(SFIXED64)
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WRITE_CASE(FLOAT)
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WRITE_CASE(DOUBLE)
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WRITE_CASE(BOOL)
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#undef WRITE_CASE
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case FieldDescriptor::TYPE_ENUM :
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case FieldDescriptor::TYPE_STRING :
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case FieldDescriptor::TYPE_BYTES :
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case FieldDescriptor::TYPE_GROUP :
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case FieldDescriptor::TYPE_MESSAGE : GOOGLE_LOG(FATAL) << "not a primitive type"; break;
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// No default because we want the compiler to complain if any new
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// types are added.
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}
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GenerateDescriptorInitializerGeneric(printer, true, c_type_macro, "NULL");
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}
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} // namespace c
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} // namespace compiler
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} // namespace protobuf
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} // namespace google
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