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// 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 <sstream>
#include <string>
#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>>(u_int8_t &u8);
binarystream &operator>>(u_int16_t &u16);
binarystream &operator>>(u_int32_t &u32);
binarystream &operator>>(u_int64_t &u64);
// Note: strings are truncated at 65535 characters
binarystream &operator<<(const string &str);
binarystream &operator<<(u_int8_t u8);
binarystream &operator<<(u_int16_t u16);
binarystream &operator<<(u_int32_t u32);
binarystream &operator<<(u_int64_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_
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