/// <summary>
/// 解析协议包描述文件
/// </summary>
/// <param name="File">待解析文件的路径及文件名</param>
/// <returns>成功解析的条数</returns>
public int LoadDescribesFile(string File)
{
ZPackageDescribes.Clear(); //清空
StreamReader SR = new StreamReader(File); //描述文件对象
//循环读取解析
while (SR.EndOfStream == false)
{
string s = SR.ReadLine(); //读取一行
if (s.Length == 0) //忽略空行
{
continue;
}
if (s[0] == '#')//忽略注释行
{
continue;
}
char[] c1 = { '$' };
string[] s1 = s.Split(c1, StringSplitOptions.RemoveEmptyEntries);
int k = 0; //记录读取的Part个数
ZBlockDescribe zpd = new ZBlockDescribe(); //描述信息结构
zpd.ZParts = new ZPartDescribe[s1.Length - 1]; //初始化Part储存空间
//循环解析每一段
for (int i = 0; i < s1.Length; i++)
{
ZPartDescribe z = GetPartInfo(s1[i]); //解析段信息
if (i == 0) //保存头信息
{
zpd.BlockWord = z.BlockWord;
zpd.BlockName = z.Name;
}
else//保存保留位及数据区信息
{
z.BlockWord = zpd.BlockWord;
z.Index = (byte)k;
zpd.ZParts[k] = z;
k++;
}
}
//zpd.ZPartNum = k;//储存Part个数信息
ZPackageDescribes.Add(zpd.BlockWord, zpd);//添加到字典中
}
SR.Close();
return(ZPackageDescribes.Count);
}
//解析Part信息
private ZPartDescribe GetPartInfo(string s)
{
ZPartDescribe z = new ZPartDescribe();//储存Part信息
char[] c2 = { '=' };
string[] s2 = s.Split(c2, StringSplitOptions.RemoveEmptyEntries);
for (int i = 0; i < s2.Length; i++)
{
StringType st = GetStringType(s2[i]);//获取节类型
switch (st)
{
case StringType.Word:
z.BlockWord = byte.Parse(s2[i].Substring(2), System.Globalization.NumberStyles.HexNumber);
break;
case StringType.Name:
z.Name = SubString(s2[i]);
break;
case StringType.Show:
if (s2[i] == "<X>")
{
z.ShowType = ShowTypeEnum.X;
}
if (s2[i] == "<D>")
{
z.ShowType = ShowTypeEnum.D;
}
if (s2[i] == "<C>")
{
z.ShowType = ShowTypeEnum.C;
}
break;
case StringType.MinMax:
char[] c3 = { ',' };
string[] s3 = SubString(s2[i]).Split(c3, StringSplitOptions.None);
if (s3.Length == 2) //TODO:考虑其他可能
{
if (s3[0].Length == 0) //无穷小
{
z.Min = float.MinValue;
}
else
{
z.Min = float.Parse(s3[0]);
}
if (s3[1].Length == 0) //无穷大
{
z.Max = float.MaxValue;
}
else
{
z.Max = float.Parse(s3[1]);
}
}
break;
case StringType.DataType:
if (s2[i] == "U8")
{
z.DataType = DataTypeEnum.U8;
}
else if (s2[i] == "U16")
{
z.DataType = DataTypeEnum.U16;
}
else if (s2[i] == "U32")
{
z.DataType = DataTypeEnum.U32;
}
else if (s2[i] == "S16")
{
z.DataType = DataTypeEnum.S16;
}
else if (s2[i] == "S32")
{
z.DataType = DataTypeEnum.S32;
}
else if (s2[i] == "F32")
{
z.DataType = DataTypeEnum.F32;
}
else if (s2[i][0] == 'C')
{
z.DataType = DataTypeEnum.C;
z.CharLength = int.Parse(s2[i].Substring(1, s2[i].Length - 1));
}
else if (s2[i] == "@") //保留位
{
z.DataType = DataTypeEnum.Reserve;
}
break;
case StringType.Error:
//UNDONE
break;
default:
break;
}
}
return(z);
}
