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Diffstat (limited to 'src/google/protobuf/compiler/java/java_helpers.h')
-rw-r--r-- | src/google/protobuf/compiler/java/java_helpers.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/java/java_helpers.h b/src/google/protobuf/compiler/java/java_helpers.h new file mode 100644 index 00000000..74376330 --- /dev/null +++ b/src/google/protobuf/compiler/java/java_helpers.h @@ -0,0 +1,102 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. +// http://code.google.com/p/protobuf/ +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// 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.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()); +} +string ClassName(const FileDescriptor* descriptor); + +enum JavaType { + JAVATYPE_INT, + JAVATYPE_LONG, + JAVATYPE_FLOAT, + JAVATYPE_DOUBLE, + JAVATYPE_BOOLEAN, + JAVATYPE_STRING, + JAVATYPE_BYTES, + JAVATYPE_ENUM, + JAVATYPE_MESSAGE +}; + +JavaType GetJavaType(FieldDescriptor::Type field_type); + +inline JavaType GetJavaType(const FieldDescriptor* field) { + return GetJavaType(field->type()); +} + +// 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); + +} // namespace java +} // namespace compiler +} // namespace protobuf + +} // namespace google +#endif // GOOGLE_PROTOBUF_COMPILER_JAVA_HELPERS_H__ |