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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.
#include <map>
#include <string>
#include <google/protobuf/compiler/objectivec/objectivec_enum_field.h>
#include <google/protobuf/stubs/common.h>
#include <google/protobuf/compiler/objectivec/objectivec_helpers.h>
#include <google/protobuf/io/printer.h>
#include <google/protobuf/wire_format.h>
#include <google/protobuf/stubs/strutil.h>
namespace google {
namespace protobuf {
namespace compiler {
namespace objectivec {
namespace {
void SetEnumVariables(const FieldDescriptor* descriptor,
map<string, string>* variables) {
string type = EnumName(descriptor->enum_type());
(*variables)["storage_type"] = type;
// TODO(thomasvl): Make inclusion of descriptor compile time and output
// both of these. Note: Extensions currently have to have the EnumDescription.
(*variables)["enum_verifier"] = type + "_IsValidValue";
(*variables)["enum_desc_func"] = type + "_EnumDescriptor";
const Descriptor* msg_descriptor = descriptor->containing_type();
(*variables)["owning_message_class"] = ClassName(msg_descriptor);
}
} // namespace
EnumFieldGenerator::EnumFieldGenerator(const FieldDescriptor* descriptor)
: SingleFieldGenerator(descriptor) {
SetEnumVariables(descriptor, &variables_);
}
EnumFieldGenerator::~EnumFieldGenerator() {}
void EnumFieldGenerator::GenerateFieldDescriptionTypeSpecific(
io::Printer* printer) const {
// TODO(thomasvl): Output the CPP check to use descFunc or validator based
// on final compile.
printer->Print(
variables_,
" .typeSpecific.enumDescFunc = $enum_desc_func$,\n");
}
void EnumFieldGenerator::GenerateCFunctionDeclarations(
io::Printer* printer) const {
if (!HasPreservingUnknownEnumSemantics(descriptor_->file())) return;
printer->Print(
variables_,
"int32_t $owning_message_class$_$capitalized_name$_RawValue($owning_message_class$ *message);\n"
"void Set$owning_message_class$_$capitalized_name$_RawValue($owning_message_class$ *message, int32_t value);\n"
"\n");
}
void EnumFieldGenerator::GenerateCFunctionImplementations(
io::Printer* printer) const {
if (!HasPreservingUnknownEnumSemantics(descriptor_->file())) return;
printer->Print(
variables_,
"int32_t $owning_message_class$_$capitalized_name$_RawValue($owning_message_class$ *message) {\n"
" GPBDescriptor *descriptor = [$owning_message_class$ descriptor];\n"
" GPBFieldDescriptor *field = [descriptor fieldWithNumber:$field_number_name$];\n"
" return GPBGetInt32IvarWithField(message, field);\n"
"}\n"
"\n"
"void Set$owning_message_class$_$capitalized_name$_RawValue($owning_message_class$ *message, int32_t value) {\n"
" GPBDescriptor *descriptor = [$owning_message_class$ descriptor];\n"
" GPBFieldDescriptor *field = [descriptor fieldWithNumber:$field_number_name$];\n"
" GPBSetInt32IvarWithFieldInternal(message, field, value, descriptor.file.syntax);\n"
"}\n"
"\n");
}
RepeatedEnumFieldGenerator::RepeatedEnumFieldGenerator(
const FieldDescriptor* descriptor)
: RepeatedFieldGenerator(descriptor) {
SetEnumVariables(descriptor, &variables_);
variables_["array_storage_type"] = "GPBEnumArray";
}
RepeatedEnumFieldGenerator::~RepeatedEnumFieldGenerator() {}
void RepeatedEnumFieldGenerator::GenerateFieldDescriptionTypeSpecific(
io::Printer* printer) const {
// TODO(thomasvl): Output the CPP check to use descFunc or validator based
// on final compile.
printer->Print(
variables_,
" .typeSpecific.enumDescFunc = $enum_desc_func$,\n");
}
} // namespace objectivec
} // namespace compiler
} // namespace protobuf
} // namespace google
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