diff options
Diffstat (limited to 'src/google/protobuf/compiler/objectivec/objectivec_enum_field.cc')
-rw-r--r-- | src/google/protobuf/compiler/objectivec/objectivec_enum_field.cc | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/objectivec/objectivec_enum_field.cc b/src/google/protobuf/compiler/objectivec/objectivec_enum_field.cc new file mode 100644 index 00000000..739282b2 --- /dev/null +++ b/src/google/protobuf/compiler/objectivec/objectivec_enum_field.cc @@ -0,0 +1,129 @@ +// 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 |