| // 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; |
| // For non repeated fields, if it was defined in a different file, the |
| // property decls need to use "enum NAME" rather than just "NAME" to support |
| // the forward declaration of the enums. |
| if (!descriptor->is_repeated() && |
| (descriptor->file() != descriptor->enum_type()->file())) { |
| (*variables)["property_type"] = "enum " + type; |
| } |
| (*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, |
| const Options& options) |
| : SingleFieldGenerator(descriptor, options) { |
| SetEnumVariables(descriptor, &variables_); |
| } |
| |
| EnumFieldGenerator::~EnumFieldGenerator() {} |
| |
| void EnumFieldGenerator::GenerateFieldDescriptionTypeSpecific( |
| io::Printer* printer) const { |
| printer->Print( |
| variables_, |
| " .dataTypeSpecific.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 GPBGetMessageInt32Field(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"); |
| } |
| |
| void EnumFieldGenerator::DetermineForwardDeclarations( |
| set<string>* fwd_decls) const { |
| SingleFieldGenerator::DetermineForwardDeclarations(fwd_decls); |
| // If it is an enum defined in a different file, then we'll need a forward |
| // declaration for it. When it is in our file, all the enums are output |
| // before the message, so it will be declared before it is needed. |
| if (descriptor_->file() != descriptor_->enum_type()->file()) { |
| // Enum name is already in "storage_type". |
| const string& name = variable("storage_type"); |
| fwd_decls->insert("GPB_ENUM_FWD_DECLARE(" + name + ")"); |
| } |
| } |
| |
| RepeatedEnumFieldGenerator::RepeatedEnumFieldGenerator( |
| const FieldDescriptor* descriptor, const Options& options) |
| : RepeatedFieldGenerator(descriptor, options) { |
| SetEnumVariables(descriptor, &variables_); |
| variables_["array_storage_type"] = "GPBEnumArray"; |
| } |
| |
| RepeatedEnumFieldGenerator::~RepeatedEnumFieldGenerator() {} |
| |
| void RepeatedEnumFieldGenerator::FinishInitialization(void) { |
| RepeatedFieldGenerator::FinishInitialization(); |
| variables_["array_comment"] = |
| "// |" + variables_["name"] + "| contains |" + variables_["storage_type"] + "|\n"; |
| } |
| |
| void RepeatedEnumFieldGenerator::GenerateFieldDescriptionTypeSpecific( |
| io::Printer* printer) const { |
| printer->Print( |
| variables_, |
| " .dataTypeSpecific.enumDescFunc = $enum_desc_func$,\n"); |
| } |
| |
| } // namespace objectivec |
| } // namespace compiler |
| } // namespace protobuf |
| } // namespace google |