bool Breakpad::ExtractParameters()

in src/client/mac/Framework/Breakpad.mm [437:644]
168 lines of code
38 McCabe index (conditional complexity)

bool Breakpad::ExtractParameters(NSDictionary *parameters) {
  NSUserDefaults *stdDefaults = [NSUserDefaults standardUserDefaults];
  NSString *skipConfirm = [stdDefaults stringForKey:@BREAKPAD_SKIP_CONFIRM];
  NSString *sendAndExit = [stdDefaults stringForKey:@BREAKPAD_SEND_AND_EXIT];

  NSString *serverType = [parameters objectForKey:@BREAKPAD_SERVER_TYPE];
  NSString *display = [parameters objectForKey:@BREAKPAD_PRODUCT_DISPLAY];
  NSString *product = [parameters objectForKey:@BREAKPAD_PRODUCT];
  NSString *version = [parameters objectForKey:@BREAKPAD_VERSION];
  NSString *urlStr = [parameters objectForKey:@BREAKPAD_URL];
  NSString *interval = [parameters objectForKey:@BREAKPAD_REPORT_INTERVAL];
  NSString *inspectorPathString =
      [parameters objectForKey:@BREAKPAD_INSPECTOR_LOCATION];
  NSString *reporterPathString =
      [parameters objectForKey:@BREAKPAD_REPORTER_EXE_LOCATION];
  NSString *timeout = [parameters objectForKey:@BREAKPAD_CONFIRM_TIMEOUT];
  NSArray  *logFilePaths = [parameters objectForKey:@BREAKPAD_LOGFILES];
  NSString *logFileTailSize =
      [parameters objectForKey:@BREAKPAD_LOGFILE_UPLOAD_SIZE];
  NSString *requestUserText =
      [parameters objectForKey:@BREAKPAD_REQUEST_COMMENTS];
  NSString *requestEmail = [parameters objectForKey:@BREAKPAD_REQUEST_EMAIL];
  NSString *vendor =
      [parameters objectForKey:@BREAKPAD_VENDOR];
  NSString *dumpSubdirectory =
      [parameters objectForKey:@BREAKPAD_DUMP_DIRECTORY];

  NSDictionary *serverParameters =
      [parameters objectForKey:@BREAKPAD_SERVER_PARAMETER_DICT];

  // These may have been set above as user prefs, which take priority.
  if (!skipConfirm) {
    skipConfirm = [parameters objectForKey:@BREAKPAD_SKIP_CONFIRM];
  }
  if (!sendAndExit) {
    sendAndExit = [parameters objectForKey:@BREAKPAD_SEND_AND_EXIT];
  }

  if (!product)
    product = [parameters objectForKey:@"CFBundleName"];

  if (!display) {
    display = [parameters objectForKey:@"CFBundleDisplayName"];
    if (!display) {
      display = product;
    }
  }

  if (!version)
    version = [parameters objectForKey:@"CFBundleVersion"];

  if (!interval)
    interval = @"3600";

  if (!timeout)
    timeout = @"300";

  if (!logFileTailSize)
    logFileTailSize = @"200000";

  if (!vendor) {
    vendor = @"Vendor not specified";
  }

  // Normalize the values.
  if (skipConfirm) {
    skipConfirm = [skipConfirm uppercaseString];

    if ([skipConfirm isEqualToString:@"YES"] ||
        [skipConfirm isEqualToString:@"TRUE"] ||
        [skipConfirm isEqualToString:@"1"])
      skipConfirm = @"YES";
    else
      skipConfirm = @"NO";
  } else {
    skipConfirm = @"NO";
  }

  send_and_exit_ = true;
  if (sendAndExit) {
    sendAndExit = [sendAndExit uppercaseString];

    if ([sendAndExit isEqualToString:@"NO"] ||
        [sendAndExit isEqualToString:@"FALSE"] ||
        [sendAndExit isEqualToString:@"0"])
      send_and_exit_ = false;
  }

  if (requestUserText) {
    requestUserText = [requestUserText uppercaseString];

    if ([requestUserText isEqualToString:@"YES"] ||
        [requestUserText isEqualToString:@"TRUE"] ||
        [requestUserText isEqualToString:@"1"])
      requestUserText = @"YES";
    else
      requestUserText = @"NO";
  } else {
    requestUserText = @"NO";
  }

  // Find the helper applications if not specified in user config.
  NSString *resourcePath = nil;
  if (!inspectorPathString || !reporterPathString) {
    resourcePath = GetResourcePath();
    if (!resourcePath) {
      return false;
    }
  }

  // Find Inspector.
  if (!inspectorPathString) {
    inspectorPathString =
        [resourcePath stringByAppendingPathComponent:@"Inspector"];
  }

  // Verify that there is an Inspector tool.
  if (![[NSFileManager defaultManager] fileExistsAtPath:inspectorPathString]) {
    return false;
  }

  // Find Reporter.
  if (!reporterPathString) {
    reporterPathString =
        [resourcePath
         stringByAppendingPathComponent:@"crash_report_sender.app"];
    reporterPathString =
        [[NSBundle bundleWithPath:reporterPathString] executablePath];
  }

  // Verify that there is a Reporter application.
  if (![[NSFileManager defaultManager]
             fileExistsAtPath:reporterPathString]) {
    return false;
  }

  if (!dumpSubdirectory) {
    dumpSubdirectory = @"";
  }

  // The product, version, and URL are required values.
  if (![product length]) {
    return false;
  }

  if (![version length]) {
    return false;
  }

  if (![urlStr length]) {
    return false;
  }

  config_params_ =
      new (gKeyValueAllocator->Allocate(sizeof(SimpleStringDictionary)) )
        SimpleStringDictionary();

  SimpleStringDictionary &dictionary = *config_params_;

  dictionary.SetKeyValue(BREAKPAD_SERVER_TYPE,     [serverType UTF8String]);
  dictionary.SetKeyValue(BREAKPAD_PRODUCT_DISPLAY, [display UTF8String]);
  dictionary.SetKeyValue(BREAKPAD_PRODUCT,         [product UTF8String]);
  dictionary.SetKeyValue(BREAKPAD_VERSION,         [version UTF8String]);
  dictionary.SetKeyValue(BREAKPAD_URL,             [urlStr UTF8String]);
  dictionary.SetKeyValue(BREAKPAD_REPORT_INTERVAL, [interval UTF8String]);
  dictionary.SetKeyValue(BREAKPAD_SKIP_CONFIRM,    [skipConfirm UTF8String]);
  dictionary.SetKeyValue(BREAKPAD_CONFIRM_TIMEOUT, [timeout UTF8String]);
  dictionary.SetKeyValue(BREAKPAD_INSPECTOR_LOCATION,
                         [inspectorPathString fileSystemRepresentation]);
  dictionary.SetKeyValue(BREAKPAD_REPORTER_EXE_LOCATION,
                         [reporterPathString fileSystemRepresentation]);
  dictionary.SetKeyValue(BREAKPAD_LOGFILE_UPLOAD_SIZE,
                         [logFileTailSize UTF8String]);
  dictionary.SetKeyValue(BREAKPAD_REQUEST_COMMENTS,
                         [requestUserText UTF8String]);
  dictionary.SetKeyValue(BREAKPAD_REQUEST_EMAIL, [requestEmail UTF8String]);
  dictionary.SetKeyValue(BREAKPAD_VENDOR, [vendor UTF8String]);
  dictionary.SetKeyValue(BREAKPAD_DUMP_DIRECTORY,
                         [dumpSubdirectory UTF8String]);

  struct timeval tv;
  gettimeofday(&tv, NULL);
  char timeStartedString[32];
  sprintf(timeStartedString, "%zd", tv.tv_sec);
  dictionary.SetKeyValue(BREAKPAD_PROCESS_START_TIME,
                         timeStartedString);

  if (logFilePaths) {
    char logFileKey[255];
    for(unsigned int i = 0; i < [logFilePaths count]; i++) {
      sprintf(logFileKey,"%s%d", BREAKPAD_LOGFILE_KEY_PREFIX, i);
      dictionary.SetKeyValue(logFileKey,
                             [[logFilePaths objectAtIndex:i]
                               fileSystemRepresentation]);
    }
  }

  if (serverParameters) {
    // For each key-value pair, call BreakpadAddUploadParameter()
    NSEnumerator *keyEnumerator = [serverParameters keyEnumerator];
    NSString *aParameter;
    while ((aParameter = [keyEnumerator nextObject])) {
      BreakpadAddUploadParameter(this, aParameter,
				 [serverParameters objectForKey:aParameter]);
    }
  }
  return true;
}