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Diffstat (limited to 'third_party/protobuf/3.0.0/src/google/protobuf/io/coded_stream_inl.h')
-rw-r--r-- | third_party/protobuf/3.0.0/src/google/protobuf/io/coded_stream_inl.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/third_party/protobuf/3.0.0/src/google/protobuf/io/coded_stream_inl.h b/third_party/protobuf/3.0.0/src/google/protobuf/io/coded_stream_inl.h new file mode 100644 index 0000000000..d95b06e04e --- /dev/null +++ b/third_party/protobuf/3.0.0/src/google/protobuf/io/coded_stream_inl.h @@ -0,0 +1,90 @@ +// 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. + +// Author: jasonh@google.com (Jason Hsueh) +// +// Implements methods of coded_stream.h that need to be inlined for performance +// reasons, but should not be defined in a public header. + +#ifndef GOOGLE_PROTOBUF_IO_CODED_STREAM_INL_H__ +#define GOOGLE_PROTOBUF_IO_CODED_STREAM_INL_H__ + +#include <google/protobuf/stubs/logging.h> +#include <google/protobuf/stubs/common.h> +#include <google/protobuf/io/coded_stream.h> +#include <google/protobuf/io/zero_copy_stream_impl_lite.h> +#include <string> +#include <google/protobuf/stubs/stl_util.h> + +namespace google { +namespace protobuf { +namespace io { + +inline bool CodedInputStream::InternalReadStringInline(string* buffer, + int size) { + if (size < 0) return false; // security: size is often user-supplied + + if (BufferSize() >= size) { + STLStringResizeUninitialized(buffer, size); + std::pair<char*, bool> z = as_string_data(buffer); + if (z.second) { + // Oddly enough, memcpy() requires its first two args to be non-NULL even + // if we copy 0 bytes. So, we have ensured that z.first is non-NULL here. + GOOGLE_DCHECK(z.first != NULL); + memcpy(z.first, buffer_, size); + Advance(size); + } + return true; + } + + return ReadStringFallback(buffer, size); +} + +inline bool CodedInputStream::InternalReadRawInline(void* buffer, int size) { + int current_buffer_size; + while ((current_buffer_size = BufferSize()) < size) { + // Reading past end of buffer. Copy what we have, then refresh. + memcpy(buffer, buffer_, current_buffer_size); + buffer = reinterpret_cast<uint8*>(buffer) + current_buffer_size; + size -= current_buffer_size; + Advance(current_buffer_size); + if (!Refresh()) return false; + } + + memcpy(buffer, buffer_, size); + Advance(size); + + return true; +} + +} // namespace io +} // namespace protobuf +} // namespace google +#endif // GOOGLE_PROTOBUF_IO_CODED_STREAM_INL_H__ |