diff options
Diffstat (limited to 'src/google/protobuf/compiler/java/java_name_resolver.cc')
-rw-r--r-- | src/google/protobuf/compiler/java/java_name_resolver.cc | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/java/java_name_resolver.cc b/src/google/protobuf/compiler/java/java_name_resolver.cc new file mode 100644 index 00000000..7f52d234 --- /dev/null +++ b/src/google/protobuf/compiler/java/java_name_resolver.cc @@ -0,0 +1,266 @@ +// 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. + +#include <google/protobuf/compiler/java/java_name_resolver.h> + +#include <map> +#include <string> + +#include <google/protobuf/compiler/java/java_helpers.h> +#include <google/protobuf/stubs/substitute.h> + +namespace google { +namespace protobuf { +namespace compiler { +namespace java { + +namespace { +// A suffix that will be appended to the file's outer class name if the name +// conflicts with some other types defined in the file. +const char* kOuterClassNameSuffix = "OuterClass"; + +// Strip package name from a descriptor's full name. +// For example: +// Full name : foo.Bar.Baz +// Package name: foo +// After strip : Bar.Baz +string StripPackageName(const string& full_name, + const FileDescriptor* file) { + if (file->package().empty()) { + return full_name; + } else { + // Strip package name + return full_name.substr(file->package().size() + 1); + } +} + +// Get the name of a message's Java class without package name prefix. +string ClassNameWithoutPackage(const Descriptor* descriptor, + bool immutable) { + return StripPackageName(descriptor->full_name(), + descriptor->file()); +} + +// Get the name of an enum's Java class without package name prefix. +string ClassNameWithoutPackage(const EnumDescriptor* descriptor, + bool immutable) { + // Doesn't append "Mutable" for enum type's name. + const Descriptor* message_descriptor = descriptor->containing_type(); + if (message_descriptor == NULL) { + return descriptor->name(); + } else { + return ClassNameWithoutPackage(message_descriptor, immutable) + + "." + descriptor->name(); + } +} + +// Get the name of a service's Java class without package name prefix. +string ClassNameWithoutPackage(const ServiceDescriptor* descriptor, + bool immutable) { + string full_name = StripPackageName(descriptor->full_name(), + descriptor->file()); + // We don't allow nested service definitions. + GOOGLE_CHECK(full_name.find('.') == string::npos); + return full_name; +} + +// Check whether a given message or its nested types has the given class name. +bool MessageHasConflictingClassName(const Descriptor* message, + const string& classname) { + if (message->name() == classname) return true; + for (int i = 0; i < message->nested_type_count(); ++i) { + if (MessageHasConflictingClassName(message->nested_type(i), classname)) { + return true; + } + } + for (int i = 0; i < message->enum_type_count(); ++i) { + if (message->enum_type(i)->name() == classname) { + return true; + } + } + return false; +} + +} // namespace + +ClassNameResolver::ClassNameResolver() { +} + +ClassNameResolver::~ClassNameResolver() { +} + +string ClassNameResolver::GetFileDefaultImmutableClassName( + const FileDescriptor* file) { + string basename; + string::size_type last_slash = file->name().find_last_of('/'); + if (last_slash == string::npos) { + basename = file->name(); + } else { + basename = file->name().substr(last_slash + 1); + } + return UnderscoresToCamelCase(StripProto(basename), true); +} + +string ClassNameResolver::GetFileImmutableClassName( + const FileDescriptor* file) { + string& class_name = file_immutable_outer_class_names_[file]; + if (class_name.empty()) { + if (file->options().has_java_outer_classname()) { + class_name = file->options().java_outer_classname(); + } else { + class_name = GetFileDefaultImmutableClassName(file); + if (HasConflictingClassName(file, class_name)) { + class_name += kOuterClassNameSuffix; + } + } + } + return class_name; +} + +string ClassNameResolver::GetFileClassName(const FileDescriptor* file, + bool immutable) { + if (immutable) { + return GetFileImmutableClassName(file); + } else { + return "Mutable" + GetFileImmutableClassName(file); + } +} + +// Check whether there is any type defined in the proto file that has +// the given class name. +bool ClassNameResolver::HasConflictingClassName( + const FileDescriptor* file, const string& classname) { + for (int i = 0; i < file->enum_type_count(); i++) { + if (file->enum_type(i)->name() == classname) { + return true; + } + } + for (int i = 0; i < file->service_count(); i++) { + if (file->service(i)->name() == classname) { + return true; + } + } + for (int i = 0; i < file->message_type_count(); i++) { + if (MessageHasConflictingClassName(file->message_type(i), classname)) { + return true; + } + } + return false; +} + +string ClassNameResolver::GetDescriptorClassName( + const FileDescriptor* descriptor) { + return GetFileImmutableClassName(descriptor) + "InternalDescriptors"; +} + +string ClassNameResolver::GetClassName(const FileDescriptor* descriptor, + bool immutable) { + string result = FileJavaPackage(descriptor, immutable); + if (!result.empty()) result += '.'; + result += GetFileClassName(descriptor, immutable); + return result; +} + +// Get the full name of a Java class by prepending the Java package name +// or outer class name. +string ClassNameResolver::GetClassFullName(const string& name_without_package, + const FileDescriptor* file, + bool immutable, + bool multiple_files) { + string result; + if (multiple_files) { + result = FileJavaPackage(file, immutable); + } else { + result = GetClassName(file, immutable); + } + if (!result.empty()) { + result += '.'; + } + result += name_without_package; + return result; +} + +string ClassNameResolver::GetClassName(const Descriptor* descriptor, + bool immutable) { + return GetClassFullName(ClassNameWithoutPackage(descriptor, immutable), + descriptor->file(), immutable, + MultipleJavaFiles(descriptor->file(), immutable)); +} + +string ClassNameResolver::GetClassName(const EnumDescriptor* descriptor, + bool immutable) { + return GetClassFullName(ClassNameWithoutPackage(descriptor, immutable), + descriptor->file(), immutable, + MultipleJavaFiles(descriptor->file(), immutable)); +} + +string ClassNameResolver::GetClassName(const ServiceDescriptor* descriptor, + bool immutable) { + return GetClassFullName(ClassNameWithoutPackage(descriptor, immutable), + descriptor->file(), immutable, + MultipleJavaFiles(descriptor->file(), immutable)); +} + +// Get the Java Class style full name of a message. +string ClassNameResolver::GetJavaClassFullName( + const string& name_without_package, + const FileDescriptor* file, + bool immutable) { + string result; + if (MultipleJavaFiles(file, immutable)) { + result = FileJavaPackage(file, immutable); + if (!result.empty()) result += '.'; + } else { + result = GetClassName(file, immutable); + if (!result.empty()) result += '$'; + } + result += StringReplace(name_without_package, ".", "$", true); + return result; +} + +string ClassNameResolver::GetExtensionIdentifierName( + const FieldDescriptor* descriptor, bool immutable) { + return GetClassName(descriptor->containing_type(), immutable) + "." + + descriptor->name(); +} + + +string ClassNameResolver::GetJavaImmutableClassName( + const Descriptor* descriptor) { + return GetJavaClassFullName( + ClassNameWithoutPackage(descriptor, true), + descriptor->file(), true); +} + + +} // namespace java +} // namespace compiler +} // namespace protobuf +} // namespace google |