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Diffstat (limited to 'third_party/protobuf/3.6.0/src/google/protobuf/util/internal/object_source.h')
-rw-r--r-- | third_party/protobuf/3.6.0/src/google/protobuf/util/internal/object_source.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/third_party/protobuf/3.6.0/src/google/protobuf/util/internal/object_source.h b/third_party/protobuf/3.6.0/src/google/protobuf/util/internal/object_source.h new file mode 100644 index 0000000000..2c31cfb09e --- /dev/null +++ b/third_party/protobuf/3.6.0/src/google/protobuf/util/internal/object_source.h @@ -0,0 +1,79 @@ +// 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_OBJECT_SOURCE_H__ +#define GOOGLE_PROTOBUF_UTIL_CONVERTER_OBJECT_SOURCE_H__ + +#include <google/protobuf/stubs/common.h> +#include <google/protobuf/stubs/stringpiece.h> +#include <google/protobuf/stubs/status.h> + +namespace google { +namespace protobuf { +namespace util { +namespace converter { + +class ObjectWriter; + +// An ObjectSource is anything that can write to an ObjectWriter. +// Implementation of this interface typically provide constructors or +// factory methods to create an instance based on some source data, for +// example, a character stream, or protobuf. +// +// Derived classes could be thread-unsafe. +class LIBPROTOBUF_EXPORT ObjectSource { + public: + virtual ~ObjectSource() {} + + // Writes to the ObjectWriter + virtual util::Status WriteTo(ObjectWriter* ow) const { + return NamedWriteTo("", ow); + } + + // Writes to the ObjectWriter with a custom name for the message. + // This is useful when you chain ObjectSource together by embedding one + // within another. + virtual util::Status NamedWriteTo(StringPiece name, + ObjectWriter* ow) const = 0; + + protected: + ObjectSource() {} + + private: + // Do not add any data members to this class. + GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ObjectSource); +}; + +} // namespace converter +} // namespace util +} // namespace protobuf + +} // namespace google +#endif // GOOGLE_PROTOBUF_UTIL_CONVERTER_OBJECT_SOURCE_H__ |