1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// http://code.google.com/p/protobuf/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Author: kenton@google.com (Kenton Varda)
// Based on original Protocol Buffers design by
// Sanjay Ghemawat, Jeff Dean, and others.
#ifndef GOOGLE_PROTOBUF_COMPILER_JAVA_HELPERS_H__
#define GOOGLE_PROTOBUF_COMPILER_JAVA_HELPERS_H__
#include <string>
#include <google/protobuf/descriptor.pb.h>
#include <google/protobuf/descriptor.h>
namespace google {
namespace protobuf {
namespace compiler {
namespace java {
// Commonly-used separator comments. Thick is a line of '=', thin is a line
// of '-'.
extern const char kThickSeparator[];
extern const char kThinSeparator[];
// Converts the field's name to camel-case, e.g. "foo_bar_baz" becomes
// "fooBarBaz" or "FooBarBaz", respectively.
string UnderscoresToCamelCase(const FieldDescriptor* field);
string UnderscoresToCapitalizedCamelCase(const FieldDescriptor* field);
// Similar, but for method names. (Typically, this merely has the effect
// of lower-casing the first letter of the name.)
string UnderscoresToCamelCase(const MethodDescriptor* method);
// Strips ".proto" or ".protodevel" from the end of a filename.
string StripProto(const string& filename);
// Gets the unqualified class name for the file. Each .proto file becomes a
// single Java class, with all its contents nested in that class.
string FileClassName(const FileDescriptor* file);
// Returns the file's Java package name.
string FileJavaPackage(const FileDescriptor* file);
// Converts the given fully-qualified name in the proto namespace to its
// fully-qualified name in the Java namespace, given that it is in the given
// file.
string ToJavaName(const string& full_name, const FileDescriptor* file);
// These return the fully-qualified class name corresponding to the given
// descriptor.
inline string ClassName(const Descriptor* descriptor) {
return ToJavaName(descriptor->full_name(), descriptor->file());
}
inline string ClassName(const EnumDescriptor* descriptor) {
return ToJavaName(descriptor->full_name(), descriptor->file());
}
inline string ClassName(const ServiceDescriptor* descriptor) {
return ToJavaName(descriptor->full_name(), descriptor->file());
}
inline string ExtensionIdentifierName(const FieldDescriptor* descriptor) {
return ToJavaName(descriptor->full_name(), descriptor->file());
}
string ClassName(const FileDescriptor* descriptor);
// Get the unqualified name that should be used for a field's field
// number constant.
string FieldConstantName(const FieldDescriptor *field);
// Returns the type of the FieldDescriptor.
// This does nothing interesting for the open source release, but is used for
// hacks that improve compatability with version 1 protocol buffers at Google.
FieldDescriptor::Type GetType(const FieldDescriptor* field);
enum JavaType {
JAVATYPE_INT,
JAVATYPE_LONG,
JAVATYPE_FLOAT,
JAVATYPE_DOUBLE,
JAVATYPE_BOOLEAN,
JAVATYPE_STRING,
JAVATYPE_BYTES,
JAVATYPE_ENUM,
JAVATYPE_MESSAGE
};
JavaType GetJavaType(const FieldDescriptor* field);
// Get the fully-qualified class name for a boxed primitive type, e.g.
// "java.lang.Integer" for JAVATYPE_INT. Returns NULL for enum and message
// types.
const char* BoxedPrimitiveTypeName(JavaType type);
string DefaultValue(const FieldDescriptor* field);
// Does this message class keep track of unknown fields?
inline bool HasUnknownFields(const Descriptor* descriptor) {
return descriptor->file()->options().optimize_for() !=
FileOptions::LITE_RUNTIME;
}
// Does this message class have generated parsing, serialization, and other
// standard methods for which reflection-based fallback implementations exist?
inline bool HasGeneratedMethods(const Descriptor* descriptor) {
return descriptor->file()->options().optimize_for() !=
FileOptions::CODE_SIZE;
}
// Does this message class have descriptor and reflection methods?
inline bool HasDescriptorMethods(const Descriptor* descriptor) {
return descriptor->file()->options().optimize_for() !=
FileOptions::LITE_RUNTIME;
}
inline bool HasDescriptorMethods(const EnumDescriptor* descriptor) {
return descriptor->file()->options().optimize_for() !=
FileOptions::LITE_RUNTIME;
}
inline bool HasDescriptorMethods(const FileDescriptor* descriptor) {
return descriptor->options().optimize_for() !=
FileOptions::LITE_RUNTIME;
}
// Should we generate generic services for this file?
inline bool HasGenericServices(const FileDescriptor *file) {
return file->service_count() > 0 &&
file->options().optimize_for() != FileOptions::LITE_RUNTIME &&
file->options().java_generic_services();
}
} // namespace java
} // namespace compiler
} // namespace protobuf
} // namespace google
#endif // GOOGLE_PROTOBUF_COMPILER_JAVA_HELPERS_H__
|