1 // Protocol Buffers - Google's data interchange format
2 // Copyright 2015 Google Inc. All rights reserved.
3 // https://developers.google.com/protocol-buffers/
4 //
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6 // modification, are permitted provided that the following conditions are
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8 //
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10 // notice, this list of conditions and the following disclaimer.
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13 // in the documentation and/or other materials provided with the
14 // distribution.
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18 //
19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
31 #include <sstream>
32
33 #include <google/protobuf/compiler/code_generator.h>
34 #include <google/protobuf/descriptor.h>
35 #include <google/protobuf/descriptor.pb.h>
36 #include <google/protobuf/io/printer.h>
37 #include <google/protobuf/io/zero_copy_stream.h>
38 #include <google/protobuf/stubs/strutil.h>
39
40 #include <google/protobuf/compiler/csharp/csharp_doc_comment.h>
41 #include <google/protobuf/compiler/csharp/csharp_helpers.h>
42 #include <google/protobuf/compiler/csharp/csharp_map_field.h>
43
44 namespace google {
45 namespace protobuf {
46 namespace compiler {
47 namespace csharp {
48
MapFieldGenerator(const FieldDescriptor * descriptor,int presenceIndex,const Options * options)49 MapFieldGenerator::MapFieldGenerator(const FieldDescriptor* descriptor,
50 int presenceIndex,
51 const Options* options)
52 : FieldGeneratorBase(descriptor, presenceIndex, options) {
53 }
54
~MapFieldGenerator()55 MapFieldGenerator::~MapFieldGenerator() {
56 }
57
GenerateMembers(io::Printer * printer)58 void MapFieldGenerator::GenerateMembers(io::Printer* printer) {
59 const FieldDescriptor* key_descriptor =
60 descriptor_->message_type()->FindFieldByName("key");
61 const FieldDescriptor* value_descriptor =
62 descriptor_->message_type()->FindFieldByName("value");
63 variables_["key_type_name"] = type_name(key_descriptor);
64 variables_["value_type_name"] = type_name(value_descriptor);
65 std::unique_ptr<FieldGeneratorBase> key_generator(
66 CreateFieldGenerator(key_descriptor, 1, this->options()));
67 std::unique_ptr<FieldGeneratorBase> value_generator(
68 CreateFieldGenerator(value_descriptor, 2, this->options()));
69
70 printer->Print(
71 variables_,
72 "private static readonly pbc::MapField<$key_type_name$, $value_type_name$>.Codec _map_$name$_codec\n"
73 " = new pbc::MapField<$key_type_name$, $value_type_name$>.Codec(");
74 key_generator->GenerateCodecCode(printer);
75 printer->Print(", ");
76 value_generator->GenerateCodecCode(printer);
77 printer->Print(
78 variables_,
79 ", $tag$);\n"
80 "private readonly pbc::MapField<$key_type_name$, $value_type_name$> $name$_ = new pbc::MapField<$key_type_name$, $value_type_name$>();\n");
81 WritePropertyDocComment(printer, descriptor_);
82 AddPublicMemberAttributes(printer);
83 printer->Print(
84 variables_,
85 "$access_level$ pbc::MapField<$key_type_name$, $value_type_name$> $property_name$ {\n"
86 " get { return $name$_; }\n"
87 "}\n");
88 }
89
GenerateMergingCode(io::Printer * printer)90 void MapFieldGenerator::GenerateMergingCode(io::Printer* printer) {
91 printer->Print(
92 variables_,
93 "$name$_.Add(other.$name$_);\n");
94 }
95
GenerateParsingCode(io::Printer * printer)96 void MapFieldGenerator::GenerateParsingCode(io::Printer* printer) {
97 printer->Print(
98 variables_,
99 "$name$_.AddEntriesFrom(input, _map_$name$_codec);\n");
100 }
101
GenerateSerializationCode(io::Printer * printer)102 void MapFieldGenerator::GenerateSerializationCode(io::Printer* printer) {
103 printer->Print(
104 variables_,
105 "$name$_.WriteTo(output, _map_$name$_codec);\n");
106 }
107
GenerateSerializedSizeCode(io::Printer * printer)108 void MapFieldGenerator::GenerateSerializedSizeCode(io::Printer* printer) {
109 printer->Print(
110 variables_,
111 "size += $name$_.CalculateSize(_map_$name$_codec);\n");
112 }
113
WriteHash(io::Printer * printer)114 void MapFieldGenerator::WriteHash(io::Printer* printer) {
115 printer->Print(
116 variables_,
117 "hash ^= $property_name$.GetHashCode();\n");
118 }
WriteEquals(io::Printer * printer)119 void MapFieldGenerator::WriteEquals(io::Printer* printer) {
120 printer->Print(
121 variables_,
122 "if (!$property_name$.Equals(other.$property_name$)) return false;\n");
123 }
124
WriteToString(io::Printer * printer)125 void MapFieldGenerator::WriteToString(io::Printer* printer) {
126 // TODO: If we ever actually use ToString, we'll need to impleme this...
127 }
128
GenerateCloningCode(io::Printer * printer)129 void MapFieldGenerator::GenerateCloningCode(io::Printer* printer) {
130 printer->Print(variables_,
131 "$name$_ = other.$name$_.Clone();\n");
132 }
133
GenerateFreezingCode(io::Printer * printer)134 void MapFieldGenerator::GenerateFreezingCode(io::Printer* printer) {
135 }
136
137 } // namespace csharp
138 } // namespace compiler
139 } // namespace protobuf
140 } // namespace google
141