/// <summary>
/// 解析普通文本文档
/// </summary>
/// <param name="fs"></param>
/// <param name="encoding"></param>
/// <returns></returns>
private static RuleDataModel CreatFromTextFile(Stream fs, Encoding encoding)
{
List <string> lines = new List <string>();
fs.Position = 0L;
using (StreamReader streamReader = new StreamReader(fs, encoding))
{
while (streamReader.Peek() >= 0)
{
string str = streamReader.ReadLine();
if (!string.IsNullOrEmpty(str))
{
lines.Add(str);
}
}
}
RuleDataModel data = new RuleDataModel()
{
OriginalFilePath = "",
FileHander = lines[0],
FgLarge = LineDataModel.CreatFromLineString(lines[1])
};
for (int i = 2; i < lines.Count; i++)
{
data.TextData.Add(LineDataModel.CreatFromLineString(lines[i]));
}
fs.Close();
return(data);
}
/// <summary>
/// 解析被ZLIB压缩的文本内容
/// </summary>
/// <param name="fs"></param>
/// <param name="br"></param>
/// <returns></returns>
private static RuleDataModel CreatFromeZlibFile(FileStream fs, BinaryReader br)
{
List <string> lines = new List <string>();
var dataLength = br.ReadInt32();
fs.Position = fs.Length - dataLength;
int b1 = br.ReadByte();
int b2 = br.ReadByte();
if ((0x78 != b1 && 0x58 != b1) || 0 != (b1 << 8 | b2) % 31)
{
throw new InvalidDataException("Data not recoginzed as zlib-compressed stream");
}
using (var deStream = new DeflateStream(new MemoryStream(br.ReadBytes(dataLength - 2)), CompressionMode.Decompress, true))
{
using (var sr = new StreamReader(deStream, Encoding.Unicode))
{
while (sr.Peek() >= 0)
{
string str = sr.ReadLine();
if (!string.IsNullOrEmpty(str))
{
lines.Add(str);
}
}
}
}
RuleDataModel data = new RuleDataModel()
{
OriginalFilePath = fs.Name,
FileHander = lines[0],
FgLarge = LineDataModel.CreatFromLineString(lines[1])
};
for (int i = 2; i < lines.Count; i++)
{
data.TextData.Add(LineDataModel.CreatFromLineString(lines[i]));
}
br.Close();
fs.Close();
return(data);
}