public override bool Parse(byte[] chars, int offset, out ControlFunctionParserResult result, out int funcEndIdx)
{
result.ControlFunction = chars[offset];
result.FeChar = 0;
if (!FunctionContentMap.TryGetValue(chars[offset], out result.FunctionContent))
{
result.FunctionContent = new byte[] { chars[offset] };
FunctionContentMap[chars[offset]] = new byte[] { chars[offset] };
}
funcEndIdx = offset;
return(true);
}
public override bool Parse(byte[] chars, int offset, out ControlFunctionParserResult result, out int funcEndIdx)
{
result.FeChar = 0;
result.FunctionContent = null;
result.ControlFunction = 0;
funcEndIdx = 0;
int length = chars.Length;
byte fe = chars[offset + 1];
if (!Fe.Is7bitFe(fe))
{
return(false);
}
if (fe == Fe.CSI_7BIT)
{
#region 解析CSI命令
if (fe == Fe.CSI_7BIT)
{
int charsSize = 0;
bool privateUse = false;
bool withIntermediateByte0200 = false;
for (int idx = offset + 1; idx < length; idx++)
{
charsSize++;
if (FinalByte.IsFinalByte(chars[idx], out privateUse, out withIntermediateByte0200))
{
result.FeChar = fe;
result.FunctionContent = new byte[charsSize];
Array.Copy(chars, offset + 1, result.FunctionContent, 0, result.FunctionContent.Length);
funcEndIdx = idx;
return(true);
}
}
}
#endregion
}
else if (fe == Fe.OSC_7BIT)
{
#region 解析OSC命令
int charsSize = 0;
for (int idx = offset + 1; idx < length; idx++)
{
charsSize++;
if (OSC.IsTerminatedChar(chars[idx]))
{
result.FeChar = fe;
result.FunctionContent = new byte[charsSize];
Array.Copy(chars, offset + 1, result.FunctionContent, 0, result.FunctionContent.Length);
funcEndIdx = idx;
return(true);
}
}
#endregion
}
logger.ErrorFormat("解析7位编码Fe'{0}'失败", fe);
return(false);
}
/// <summary> /// 从一串字符中解析出ControlFunction的所有内容 /// </summary> /// <param name="chars"></param> /// <param name="offset">要解析的数据的偏移位置，从offset处开始解析，第offset位是ControlFunction</param> /// <param name="result"></param> /// <param name="funcEndIdx">ControlFunction在chars里的最后一个字符的索引</param> /// <returns></returns> public abstract bool Parse(byte[] chars, int offset, out ControlFunctionParserResult result, out int funcEndIdx);
