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

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 // Copyright (c) 2010, Google Inc.
michael@0 2 // All rights reserved.
michael@0 3 //
michael@0 4 // Redistribution and use in source and binary forms, with or without
michael@0 5 // modification, are permitted provided that the following conditions are
michael@0 6 // met:
michael@0 7 //
michael@0 8 // * Redistributions of source code must retain the above copyright
michael@0 9 // notice, this list of conditions and the following disclaimer.
michael@0 10 // * Redistributions in binary form must reproduce the above
michael@0 11 // copyright notice, this list of conditions and the following disclaimer
michael@0 12 // in the documentation and/or other materials provided with the
michael@0 13 // distribution.
michael@0 14 // * Neither the name of Google Inc. nor the names of its
michael@0 15 // contributors may be used to endorse or promote products derived from
michael@0 16 // this software without specific prior written permission.
michael@0 17 //
michael@0 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
michael@0 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
michael@0 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
michael@0 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
michael@0 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
michael@0 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
michael@0 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
michael@0 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0 29
michael@0 30 // binarystream implements part of the std::iostream interface as a
michael@0 31 // wrapper around std::stringstream to allow reading and writing strings
michael@0 32 // and integers of known size.
michael@0 33
michael@0 34 #ifndef GOOGLE_BREAKPAD_PROCESSOR_BINARYSTREAM_H_
michael@0 35 #define GOOGLE_BREAKPAD_PROCESSOR_BINARYSTREAM_H_
michael@0 36
michael@0 37 #include <sstream>
michael@0 38 #include <string>
michael@0 39
michael@0 40 #include "common/using_std_string.h"
michael@0 41 #include "google_breakpad/common/breakpad_types.h"
michael@0 42
michael@0 43 namespace google_breakpad {
michael@0 44 using std::ios_base;
michael@0 45 using std::ios;
michael@0 46
michael@0 47 class binarystream {
michael@0 48 public:
michael@0 49 explicit binarystream(ios_base::openmode which = ios_base::out|ios_base::in)
michael@0 50 : stream_(which) {}
michael@0 51 explicit binarystream(const string &str,
michael@0 52 ios_base::openmode which = ios_base::out|ios_base::in)
michael@0 53 : stream_(str, which) {}
michael@0 54 explicit binarystream(const char *str, size_t size,
michael@0 55 ios_base::openmode which = ios_base::out|ios_base::in)
michael@0 56 : stream_(string(str, size), which) {}
michael@0 57
michael@0 58 binarystream &operator>>(string &str);
michael@0 59 binarystream &operator>>(uint8_t &u8);
michael@0 60 binarystream &operator>>(uint16_t &u16);
michael@0 61 binarystream &operator>>(uint32_t &u32);
michael@0 62 binarystream &operator>>(uint64_t &u64);
michael@0 63
michael@0 64 // Note: strings are truncated at 65535 characters
michael@0 65 binarystream &operator<<(const string &str);
michael@0 66 binarystream &operator<<(uint8_t u8);
michael@0 67 binarystream &operator<<(uint16_t u16);
michael@0 68 binarystream &operator<<(uint32_t u32);
michael@0 69 binarystream &operator<<(uint64_t u64);
michael@0 70
michael@0 71 // Forward a few methods directly from the stream object
michael@0 72 bool eof() const { return stream_.eof(); }
michael@0 73 void clear() { stream_.clear(); }
michael@0 74 string str() const { return stream_.str(); }
michael@0 75 void str(const string &s) { stream_.str(s); }
michael@0 76
michael@0 77 // Seek both read and write pointers to the beginning of the stream.
michael@0 78 void rewind() {
michael@0 79 stream_.seekg (0, ios::beg);
michael@0 80 stream_.seekp (0, ios::beg);
michael@0 81 // This is to clear all the error flags, since only the EOF flag is cleared
michael@0 82 // with seekg().
michael@0 83 stream_.clear();
michael@0 84 }
michael@0 85
michael@0 86 private:
michael@0 87 std::stringstream stream_;
michael@0 88 };
michael@0 89
michael@0 90 } // namespace google_breakpad
michael@0 91
michael@0 92 #endif // GOOGLE_BREAKPAD_PROCESSOR_BINARYSTREAM_H_

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