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 : // Author: kenton@google.com (Kenton Varda)
32 : // Based on original Protocol Buffers design by
33 : // Sanjay Ghemawat, Jeff Dean, and others.
34 :
35 : #include <google/protobuf/compiler/java/java_generator.h>
36 :
37 : #include <memory>
38 : #ifndef _SHARED_PTR_H
39 : #include <google/protobuf/stubs/shared_ptr.h>
40 : #endif
41 :
42 : #include <google/protobuf/compiler/java/java_file.h>
43 : #include <google/protobuf/compiler/java/java_generator_factory.h>
44 : #include <google/protobuf/compiler/java/java_helpers.h>
45 : #include <google/protobuf/compiler/java/java_shared_code_generator.h>
46 : #include <google/protobuf/io/printer.h>
47 : #include <google/protobuf/io/zero_copy_stream.h>
48 : #include <google/protobuf/descriptor.pb.h>
49 : #include <google/protobuf/stubs/strutil.h>
50 :
51 : namespace google {
52 : namespace protobuf {
53 : namespace compiler {
54 : namespace java {
55 :
56 :
57 34 : JavaGenerator::JavaGenerator() {}
58 17 : JavaGenerator::~JavaGenerator() {}
59 :
60 0 : bool JavaGenerator::Generate(const FileDescriptor* file,
61 : const string& parameter,
62 : GeneratorContext* context,
63 : string* error) const {
64 : // -----------------------------------------------------------------
65 : // parse generator options
66 :
67 : // Name a file where we will write a list of generated file names, one
68 : // per line.
69 : string output_list_file;
70 :
71 :
72 0 : vector<pair<string, string> > options;
73 0 : ParseGeneratorParameter(parameter, &options);
74 :
75 : bool generate_immutable_code = false;
76 : bool generate_mutable_code = false;
77 : bool generate_shared_code = false;
78 0 : for (int i = 0; i < options.size(); i++) {
79 0 : if (options[i].first == "output_list_file") {
80 0 : output_list_file = options[i].second;
81 0 : } else if (options[i].first == "immutable") {
82 : generate_immutable_code = true;
83 0 : } else if (options[i].first == "mutable") {
84 : generate_mutable_code = true;
85 0 : } else if (options[i].first == "shared") {
86 : generate_shared_code = true;
87 : } else {
88 0 : *error = "Unknown generator option: " + options[i].first;
89 0 : return false;
90 : }
91 : }
92 :
93 : // By default we generate immutable code and shared code for immutable API.
94 0 : if (!generate_immutable_code && !generate_mutable_code &&
95 : !generate_shared_code) {
96 0 : generate_immutable_code = true;
97 0 : generate_shared_code = true;
98 : }
99 :
100 : // -----------------------------------------------------------------
101 :
102 :
103 0 : vector<string> all_files;
104 :
105 :
106 : vector<FileGenerator*> file_generators;
107 0 : if (generate_immutable_code) {
108 0 : file_generators.push_back(new FileGenerator(file, /* immutable = */ true));
109 : }
110 0 : if (generate_mutable_code) {
111 0 : file_generators.push_back(new FileGenerator(file, /* mutable = */ false));
112 : }
113 0 : for (int i = 0; i < file_generators.size(); ++i) {
114 0 : if (!file_generators[i]->Validate(error)) {
115 0 : for (int j = 0; j < file_generators.size(); ++j) {
116 0 : delete file_generators[j];
117 : }
118 : return false;
119 : }
120 : }
121 :
122 0 : for (int i = 0; i < file_generators.size(); ++i) {
123 0 : FileGenerator* file_generator = file_generators[i];
124 :
125 0 : string package_dir = JavaPackageToDir(file_generator->java_package());
126 :
127 0 : string java_filename = package_dir;
128 0 : java_filename += file_generator->classname();
129 : java_filename += ".java";
130 0 : all_files.push_back(java_filename);
131 :
132 : // Generate main java file.
133 : google::protobuf::scoped_ptr<io::ZeroCopyOutputStream> output(
134 0 : context->Open(java_filename));
135 0 : io::Printer printer(output.get(), '$');
136 0 : file_generator->Generate(&printer);
137 :
138 : // Generate sibling files.
139 0 : file_generator->GenerateSiblings(package_dir, context, &all_files);
140 : }
141 :
142 0 : for (int i = 0; i < file_generators.size(); ++i) {
143 0 : delete file_generators[i];
144 : }
145 : file_generators.clear();
146 :
147 : // Generate output list if requested.
148 0 : if (!output_list_file.empty()) {
149 : // Generate output list. This is just a simple text file placed in a
150 : // deterministic location which lists the .java files being generated.
151 : google::protobuf::scoped_ptr<io::ZeroCopyOutputStream> srclist_raw_output(
152 0 : context->Open(output_list_file));
153 0 : io::Printer srclist_printer(srclist_raw_output.get(), '$');
154 0 : for (int i = 0; i < all_files.size(); i++) {
155 0 : srclist_printer.Print("$filename$\n", "filename", all_files[i]);
156 : }
157 : }
158 :
159 : return true;
160 : }
161 :
162 : } // namespace java
163 : } // namespace compiler
164 : } // namespace protobuf
165 : } // namespace google
|
