toolkit/crashreporter/google-breakpad/src/processor/binarystream.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/toolkit/crashreporter/google-breakpad/src/processor/binarystream.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,92 @@
     1.4 +// Copyright (c) 2010, Google Inc.
     1.5 +// All rights reserved.
     1.6 +//
     1.7 +// Redistribution and use in source and binary forms, with or without
     1.8 +// modification, are permitted provided that the following conditions are
     1.9 +// met:
    1.10 +//
    1.11 +//     * Redistributions of source code must retain the above copyright
    1.12 +// notice, this list of conditions and the following disclaimer.
    1.13 +//     * Redistributions in binary form must reproduce the above
    1.14 +// copyright notice, this list of conditions and the following disclaimer
    1.15 +// in the documentation and/or other materials provided with the
    1.16 +// distribution.
    1.17 +//     * Neither the name of Google Inc. nor the names of its
    1.18 +// contributors may be used to endorse or promote products derived from
    1.19 +// this software without specific prior written permission.
    1.20 +//
    1.21 +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    1.22 +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    1.23 +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    1.24 +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    1.25 +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    1.26 +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    1.27 +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    1.28 +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    1.29 +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    1.30 +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    1.31 +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    1.32 +
    1.33 +// binarystream implements part of the std::iostream interface as a
    1.34 +// wrapper around std::stringstream to allow reading and writing strings
    1.35 +// and integers of known size.
    1.36 +
    1.37 +#ifndef GOOGLE_BREAKPAD_PROCESSOR_BINARYSTREAM_H_
    1.38 +#define GOOGLE_BREAKPAD_PROCESSOR_BINARYSTREAM_H_
    1.39 +
    1.40 +#include <sstream>
    1.41 +#include <string>
    1.42 +
    1.43 +#include "common/using_std_string.h"
    1.44 +#include "google_breakpad/common/breakpad_types.h"
    1.45 +
    1.46 +namespace google_breakpad {
    1.47 +using std::ios_base;
    1.48 +using std::ios;
    1.49 +
    1.50 +class binarystream {
    1.51 + public:
    1.52 +  explicit binarystream(ios_base::openmode which = ios_base::out|ios_base::in)
    1.53 +    : stream_(which) {}
    1.54 +  explicit binarystream(const string &str,
    1.55 +                        ios_base::openmode which = ios_base::out|ios_base::in)
    1.56 +    : stream_(str, which) {}
    1.57 +  explicit binarystream(const char *str, size_t size,
    1.58 +                        ios_base::openmode which = ios_base::out|ios_base::in)
    1.59 +    : stream_(string(str, size), which) {}
    1.60 +
    1.61 +  binarystream &operator>>(string &str);
    1.62 +  binarystream &operator>>(uint8_t &u8);
    1.63 +  binarystream &operator>>(uint16_t &u16);
    1.64 +  binarystream &operator>>(uint32_t &u32);
    1.65 +  binarystream &operator>>(uint64_t &u64);
    1.66 +
    1.67 +  // Note: strings are truncated at 65535 characters
    1.68 +  binarystream &operator<<(const string &str);
    1.69 +  binarystream &operator<<(uint8_t u8);
    1.70 +  binarystream &operator<<(uint16_t u16);
    1.71 +  binarystream &operator<<(uint32_t u32);
    1.72 +  binarystream &operator<<(uint64_t u64);
    1.73 +
    1.74 +  // Forward a few methods directly from the stream object
    1.75 +  bool eof() const { return stream_.eof(); }
    1.76 +  void clear() { stream_.clear(); }
    1.77 +  string str() const { return stream_.str(); }
    1.78 +  void str(const string &s) { stream_.str(s); }
    1.79 +    
    1.80 +  // Seek both read and write pointers to the beginning of the stream.
    1.81 +  void rewind() {
    1.82 +    stream_.seekg (0, ios::beg);
    1.83 +    stream_.seekp (0, ios::beg);
    1.84 +    // This is to clear all the error flags, since only the EOF flag is cleared
    1.85 +    // with seekg().
    1.86 +    stream_.clear();
    1.87 +  }
    1.88 +
    1.89 + private:
    1.90 +  std::stringstream stream_;
    1.91 +};
    1.92 +
    1.93 +}  // namespace google_breakpad
    1.94 +
    1.95 +#endif  // GOOGLE_BREAKPAD_PROCESSOR_BINARYSTREAM_H_

mercurial