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Diffstat (limited to 'src/google/protobuf/util/internal/type_info.h')
-rw-r--r-- | src/google/protobuf/util/internal/type_info.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/google/protobuf/util/internal/type_info.h b/src/google/protobuf/util/internal/type_info.h new file mode 100644 index 00000000..67403fff --- /dev/null +++ b/src/google/protobuf/util/internal/type_info.h @@ -0,0 +1,87 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. All rights reserved. +// https://developers.google.com/protocol-buffers/ +// +// 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. + +#ifndef GOOGLE_PROTOBUF_UTIL_CONVERTER_TYPE_INFO_H__ +#define GOOGLE_PROTOBUF_UTIL_CONVERTER_TYPE_INFO_H__ + +#include <google/protobuf/stubs/common.h> +#include <google/protobuf/type.pb.h> +#include <google/protobuf/util/type_resolver.h> +#include <google/protobuf/stubs/stringpiece.h> +#include <google/protobuf/stubs/status.h> +#include <google/protobuf/stubs/statusor.h> + +namespace google { +namespace protobuf { +namespace util { +namespace converter { +// Internal helper class for type resolving. Note that this class is not +// thread-safe and should only be accessed in one thread. +class LIBPROTOBUF_EXPORT TypeInfo { + public: + TypeInfo() {} + virtual ~TypeInfo() {} + + // Resolves a type url into a Type. If the type url is invalid, returns + // INVALID_ARGUMENT error status. If the type url is valid but the + // corresponding type cannot be found, returns a NOT_FOUND error status. + // + // This TypeInfo class retains the ownership of the returned pointer. + virtual util::StatusOr<const google::protobuf::Type*> ResolveTypeUrl( + StringPiece type_url) = 0; + + // Resolves a type url into a Type. Like ResolveTypeUrl() but returns + // NULL if the type url is invalid or the type cannot be found. + // + // This TypeInfo class retains the ownership of the returned pointer. + virtual const google::protobuf::Type* GetType(StringPiece type_url) = 0; + + // Resolves a type url for an enum. Returns NULL if the type url is + // invalid or the type cannot be found. + // + // This TypeInfo class retains the ownership of the returned pointer. + virtual const google::protobuf::Enum* GetEnum(StringPiece type_url) = 0; + + // Looks up a field in the specified type given a CamelCase name. + virtual const google::protobuf::Field* FindField( + const google::protobuf::Type* type, StringPiece camel_case_name) = 0; + + static TypeInfo* NewTypeInfo(TypeResolver* type_resolver); + + private: + GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(TypeInfo); +}; + +} // namespace converter +} // namespace util +} // namespace protobuf + +} // namespace google +#endif // GOOGLE_PROTOBUF_UTIL_CONVERTER_TYPE_INFO_H__ |