1 // Protocol Buffers - Google's data interchange format
2 // Copyright 2008 Google Inc. All rights reserved.
3 // http://code.google.com/p/protobuf/
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 //
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30
31 // Author: bduff@google.com (Brian Duff)
32
33 #include <google/protobuf/compiler/javanano/javanano_extension.h>
34 #include <google/protobuf/compiler/javanano/javanano_helpers.h>
35 #include <google/protobuf/io/printer.h>
36 #include <google/protobuf/stubs/strutil.h>
37 #include <google/protobuf/wire_format.h>
38
39 namespace google {
40 namespace protobuf {
41 namespace compiler {
42 namespace javanano {
43
44 using internal::WireFormat;
45
SetVariables(const FieldDescriptor * descriptor,const Params params,map<string,string> * variables)46 void SetVariables(const FieldDescriptor* descriptor, const Params params,
47 map<string, string>* variables) {
48 (*variables)["name"] =
49 RenameJavaKeywords(UnderscoresToCamelCase(descriptor));
50 (*variables)["number"] = SimpleItoa(descriptor->number());
51 (*variables)["extends"] = ClassName(params, descriptor->containing_type());
52
53 string type;
54 JavaType java_type = GetJavaType(descriptor->type());
55 switch (java_type) {
56 case JAVATYPE_ENUM:
57 type = "java.lang.Integer";
58 break;
59 case JAVATYPE_MESSAGE:
60 type = ClassName(params, descriptor->message_type());
61 break;
62 default:
63 type = BoxedPrimitiveTypeName(java_type);
64 break;
65 }
66 (*variables)["type"] = type;
67 }
68
69 ExtensionGenerator::
ExtensionGenerator(const FieldDescriptor * descriptor,const Params & params)70 ExtensionGenerator(const FieldDescriptor* descriptor, const Params& params)
71 : params_(params), descriptor_(descriptor) {
72 SetVariables(descriptor, params, &variables_);
73 }
74
~ExtensionGenerator()75 ExtensionGenerator::~ExtensionGenerator() {}
76
Generate(io::Printer * printer) const77 void ExtensionGenerator::Generate(io::Printer* printer) const {
78 if (descriptor_->is_repeated()) {
79 printer->Print(variables_,
80 "// Extends $extends$\n"
81 "public static final com.google.protobuf.nano.Extension<java.util.List<$type$>> $name$ = \n"
82 " com.google.protobuf.nano.Extension.createRepeated($number$,\n"
83 " new com.google.protobuf.nano.Extension.TypeLiteral<java.util.List<$type$>>(){});\n");
84 } else {
85 printer->Print(variables_,
86 "// Extends $extends$\n"
87 "public static final com.google.protobuf.nano.Extension<$type$> $name$ =\n"
88 " com.google.protobuf.nano.Extension.create($number$,\n"
89 " new com.google.protobuf.nano.Extension.TypeLiteral<$type$>(){});\n");
90 }
91 }
92
93 } // namespace javanano
94 } // namespace compiler
95 } // namespace protobuf
96 } // namespace google
97
98