chrome/test/logging/win/mof_data_parser.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/test/logging/win/mof_data_parser.h"
   6
   7 namespace logging_win {
   8
   9 MofDataParser::MofDataParser(const EVENT_TRACE* event)
  10     : scan_(reinterpret_cast<const uint8*>(event->MofData)),
  11       length_(event->MofLength) {
  12 }
  13
  14 bool MofDataParser::ReadString(base::StringPiece* value) {
  15   const uint8* str_scan = scan_;
  16   const uint8* const str_end = str_scan + length_;
  17   while (str_scan < str_end && *str_scan != 0)
  18     ++str_scan;
  19   if (str_scan == str_end)
  20     return false;
  21   size_t string_length = str_scan - scan_;
  22   bool has_trailing_newline = (string_length > 0 && str_scan[-1] == '\n');
  23   value->set(reinterpret_cast<const char*>(scan_),
  24     has_trailing_newline ? string_length - 1 : string_length);
  25   Advance(string_length + 1);
  26   return true;
  27 }
  28
  29 }  // namespace logging_win