private static FileDetailInfo StringToFileDetailInfo(string content, out FileListParseError errorType)
{
errorType = FileListParseError.Null;
string[] detailInfos = content.Split(VariableSeparator);
if (detailInfos.Length != 4)
{
errorType = FileListParseError.DetailInfoElementCountError;
return(null);
}
FileDetailInfo info = new FileDetailInfo();
info.fileName = detailInfos[0];
info.filePath = detailInfos[1];
info.fileMd5 = detailInfos[2];
if (!long.TryParse(detailInfos [3], out info.fileLength))
{
errorType = FileListParseError.DetailInfoLengthError;
return(null);
}
return(info);
}
public static Dictionary <string, FileDetailInfo> StringToFileList(string content, out FileListParseError error)
{
error = FileListParseError.Null;
Dictionary <string, FileDetailInfo> retList = new Dictionary <string, FileDetailInfo> ();
string[] detailInfos = content.Split(DetailSeparator);
//因为在序列化时，每一条信息后边都追加了一个DetailSeparator，所以detailInfos数组最后一条回事null
for (int i = 0; i < detailInfos.Length - 1; ++i)
{
if (string.IsNullOrEmpty(detailInfos [i]))
{
error = FileListParseError.DetailInfoIsNull;
return(null);
}
FileDetailInfo info = StringToFileDetailInfo(detailInfos [i], out error);
if (null == info)
{
return(null);
}
if (retList.ContainsKey(info.fileName))
{
error = FileListParseError.FileRepeat;
return(null);
}
retList.Add(info.fileName, info);
}
return(retList);
}
