diff -r 000000000000 -r 6474c204b198 toolkit/crashreporter/google-breakpad/src/processor/binarystream.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toolkit/crashreporter/google-breakpad/src/processor/binarystream.h Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,92 @@ +// Copyright (c) 2010, Google Inc. +// All rights reserved. +// +// 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. + +// binarystream implements part of the std::iostream interface as a +// wrapper around std::stringstream to allow reading and writing strings +// and integers of known size. + +#ifndef GOOGLE_BREAKPAD_PROCESSOR_BINARYSTREAM_H_ +#define GOOGLE_BREAKPAD_PROCESSOR_BINARYSTREAM_H_ + +#include +#include + +#include "common/using_std_string.h" +#include "google_breakpad/common/breakpad_types.h" + +namespace google_breakpad { +using std::ios_base; +using std::ios; + +class binarystream { + public: + explicit binarystream(ios_base::openmode which = ios_base::out|ios_base::in) + : stream_(which) {} + explicit binarystream(const string &str, + ios_base::openmode which = ios_base::out|ios_base::in) + : stream_(str, which) {} + explicit binarystream(const char *str, size_t size, + ios_base::openmode which = ios_base::out|ios_base::in) + : stream_(string(str, size), which) {} + + binarystream &operator>>(string &str); + binarystream &operator>>(uint8_t &u8); + binarystream &operator>>(uint16_t &u16); + binarystream &operator>>(uint32_t &u32); + binarystream &operator>>(uint64_t &u64); + + // Note: strings are truncated at 65535 characters + binarystream &operator<<(const string &str); + binarystream &operator<<(uint8_t u8); + binarystream &operator<<(uint16_t u16); + binarystream &operator<<(uint32_t u32); + binarystream &operator<<(uint64_t u64); + + // Forward a few methods directly from the stream object + bool eof() const { return stream_.eof(); } + void clear() { stream_.clear(); } + string str() const { return stream_.str(); } + void str(const string &s) { stream_.str(s); } + + // Seek both read and write pointers to the beginning of the stream. + void rewind() { + stream_.seekg (0, ios::beg); + stream_.seekp (0, ios::beg); + // This is to clear all the error flags, since only the EOF flag is cleared + // with seekg(). + stream_.clear(); + } + + private: + std::stringstream stream_; +}; + +} // namespace google_breakpad + +#endif // GOOGLE_BREAKPAD_PROCESSOR_BINARYSTREAM_H_