1 | /* |
2 | * |
3 | * Copyright 2015 gRPC authors. |
4 | * |
5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
6 | * you may not use this file except in compliance with the License. |
7 | * You may obtain a copy of the License at |
8 | * |
9 | * http://www.apache.org/licenses/LICENSE-2.0 |
10 | * |
11 | * Unless required by applicable law or agreed to in writing, software |
12 | * distributed under the License is distributed on an "AS IS" BASIS, |
13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
14 | * See the License for the specific language governing permissions and |
15 | * limitations under the License. |
16 | * |
17 | */ |
18 | |
19 | #ifndef GRPC_INTERNAL_COMPILER_OBJECTIVE_C_GENERATOR_HELPERS_H |
20 | #define GRPC_INTERNAL_COMPILER_OBJECTIVE_C_GENERATOR_HELPERS_H |
21 | |
22 | #include <map> |
23 | #include "src/compiler/config.h" |
24 | #include "src/compiler/generator_helpers.h" |
25 | |
26 | #include <google/protobuf/compiler/objectivec/objectivec_helpers.h> |
27 | |
28 | namespace grpc_objective_c_generator { |
29 | |
30 | using ::grpc::protobuf::FileDescriptor; |
31 | using ::grpc::protobuf::ServiceDescriptor; |
32 | using ::grpc::string; |
33 | |
34 | inline string (const FileDescriptor* file) { |
35 | return google::protobuf::compiler::objectivec::FilePath(file) + ".pbobjc.h" ; |
36 | } |
37 | |
38 | inline string ServiceClassName(const ServiceDescriptor* service) { |
39 | const FileDescriptor* file = service->file(); |
40 | string prefix = file->options().objc_class_prefix(); |
41 | return prefix + service->name(); |
42 | } |
43 | |
44 | inline ::grpc::string LocalImport(const ::grpc::string& import) { |
45 | return ::grpc::string("#import \"" + import + "\"\n" ); |
46 | } |
47 | |
48 | inline ::grpc::string FrameworkImport(const ::grpc::string& import, |
49 | const ::grpc::string& framework) { |
50 | // Flattens the directory structure: grab the file name only |
51 | std::size_t pos = import.rfind("/" ); |
52 | // If pos is npos, pos + 1 is 0, which gives us the entire string, |
53 | // so there's no need to check that |
54 | ::grpc::string filename = import.substr(pos + 1, import.size() - (pos + 1)); |
55 | return ::grpc::string("#import <" + framework + "/" + filename + ">\n" ); |
56 | } |
57 | |
58 | inline ::grpc::string SystemImport(const ::grpc::string& import) { |
59 | return ::grpc::string("#import <" + import + ">\n" ); |
60 | } |
61 | |
62 | inline ::grpc::string PreprocConditional(::grpc::string symbol, bool invert) { |
63 | return invert ? "!defined(" + symbol + ") || !" + symbol |
64 | : "defined(" + symbol + ") && " + symbol; |
65 | } |
66 | |
67 | inline ::grpc::string PreprocIf(const ::grpc::string& symbol, |
68 | const ::grpc::string& if_true) { |
69 | return ::grpc::string("#if " + PreprocConditional(symbol, false) + "\n" + |
70 | if_true + "#endif\n" ); |
71 | } |
72 | |
73 | inline ::grpc::string PreprocIfNot(const ::grpc::string& symbol, |
74 | const ::grpc::string& if_true) { |
75 | return ::grpc::string("#if " + PreprocConditional(symbol, true) + "\n" + |
76 | if_true + "#endif\n" ); |
77 | } |
78 | |
79 | inline ::grpc::string PreprocIfElse(const ::grpc::string& symbol, |
80 | const ::grpc::string& if_true, |
81 | const ::grpc::string& if_false) { |
82 | return ::grpc::string("#if " + PreprocConditional(symbol, false) + "\n" + |
83 | if_true + "#else\n" + if_false + "#endif\n" ); |
84 | } |
85 | |
86 | inline ::grpc::string PreprocIfNotElse(const ::grpc::string& symbol, |
87 | const ::grpc::string& if_true, |
88 | const ::grpc::string& if_false) { |
89 | return ::grpc::string("#if " + PreprocConditional(symbol, true) + "\n" + |
90 | if_true + "#else\n" + if_false + "#endif\n" ); |
91 | } |
92 | |
93 | } // namespace grpc_objective_c_generator |
94 | #endif // GRPC_INTERNAL_COMPILER_OBJECTIVE_C_GENERATOR_HELPERS_H |
95 | |