Line data    Source code

       1             : // Protocol Buffers - Google's data interchange format
       2             : // Copyright 2008 Google Inc.  All rights reserved.
       3             : // https://developers.google.com/protocol-buffers/
       4             : //
       5             : // Redistribution and use in source and binary forms, with or without
       6             : // modification, are permitted provided that the following conditions are
       7             : // met:
       8             : //
       9             : //     * Redistributions of source code must retain the above copyright
      10             : // notice, this list of conditions and the following disclaimer.
      11             : //     * Redistributions in binary form must reproduce the above
      12             : // copyright notice, this list of conditions and the following disclaimer
      13             : // in the documentation and/or other materials provided with the
      14             : // distribution.
      15             : //     * Neither the name of Google Inc. nor the names of its
      16             : // contributors may be used to endorse or promote products derived from
      17             : // this software without specific prior written permission.
      18             : //
      19             : // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      20             : // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      21             : // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      22             : // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      23             : // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      24             : // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      25             : // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      26             : // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      27             : // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      28             : // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      29             : // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      30             : 
      31             : #include <map>
      32             : #include <string>
      33             : 
      34             : #include <google/protobuf/compiler/objectivec/objectivec_message_field.h>
      35             : #include <google/protobuf/compiler/objectivec/objectivec_helpers.h>
      36             : #include <google/protobuf/io/printer.h>
      37             : #include <google/protobuf/wire_format.h>
      38             : #include <google/protobuf/stubs/strutil.h>
      39             : 
      40             : namespace google {
      41             : namespace protobuf {
      42             : namespace compiler {
      43             : namespace objectivec {
      44             : 
      45             : namespace {
      46             : 
      47           0 : void SetMessageVariables(const FieldDescriptor* descriptor,
      48             :                          map<string, string>* variables) {
      49           0 :   const string& message_type = ClassName(descriptor->message_type());
      50           0 :   (*variables)["type"] = message_type;
      51           0 :   (*variables)["containing_class"] = ClassName(descriptor->containing_type());
      52           0 :   (*variables)["storage_type"] = message_type;
      53           0 :   (*variables)["group_or_message"] =
      54           0 :       (descriptor->type() == FieldDescriptor::TYPE_GROUP) ? "Group" : "Message";
      55             : 
      56           0 :   (*variables)["dataTypeSpecific_value"] = "GPBStringifySymbol(" + message_type + ")";
      57           0 : }
      58             : 
      59             : }  // namespace
      60             : 
      61           0 : MessageFieldGenerator::MessageFieldGenerator(const FieldDescriptor* descriptor)
      62           0 :     : ObjCObjFieldGenerator(descriptor) {
      63           0 :   SetMessageVariables(descriptor, &variables_);
      64           0 : }
      65             : 
      66           0 : MessageFieldGenerator::~MessageFieldGenerator() {}
      67             : 
      68           0 : void MessageFieldGenerator::DetermineForwardDeclarations(
      69             :     set<string>* fwd_decls) const {
      70             :   // Class name is already in "storage_type".
      71           0 :   fwd_decls->insert("@class " + variable("storage_type"));
      72           0 : }
      73             : 
      74           0 : bool MessageFieldGenerator::WantsHasProperty(void) const {
      75           0 :   if (descriptor_->containing_oneof() != NULL) {
      76             :     // If in a oneof, it uses the oneofcase instead of a has bit.
      77             :     return false;
      78             :   }
      79             :   // In both proto2 & proto3, message fields have a has* property to tell
      80             :   // when it is a non default value.
      81           0 :   return true;
      82             : }
      83             : 
      84           0 : RepeatedMessageFieldGenerator::RepeatedMessageFieldGenerator(
      85             :     const FieldDescriptor* descriptor)
      86           0 :     : RepeatedFieldGenerator(descriptor) {
      87           0 :   SetMessageVariables(descriptor, &variables_);
      88           0 :   variables_["array_storage_type"] = "NSMutableArray";
      89           0 : }
      90             : 
      91           0 : RepeatedMessageFieldGenerator::~RepeatedMessageFieldGenerator() {}
      92             : 
      93             : }  // namespace objectivec
      94             : }  // namespace compiler
      95             : }  // namespace protobuf
      96             : }  // namespace google