public Dictionary <string, PD_LineObj> textline_dict = new Dictionary <string, PD_LineObj>(); //文本协议字典
public void formJson(Dictionary <string, object> v) //初始化
{
if (v.ContainsKey("para_dict"))
{
ArrayList list = v["para_dict"] as ArrayList;
foreach (var item in list)
{
var tv = item as Dictionary <string, object>;
string s = tv["name"] as string;
para_dict[s] = ParaValue.factory(tv); //构建参数
}
}
if (v.ContainsKey("prot_root"))
{
prot_root = MC_Prot.factory(v["prot_root"] as Dictionary <string, object>, this); //递归创建自己的子协议域
}
//文本行协议
if (v.ContainsKey("textline_dict"))
{
ArrayList list = v["textline_dict"] as ArrayList;
foreach (var item in list)
{
var tv = item as Dictionary <string, object>;
string s = "";
if (tv.ContainsKey("name"))
{
s = tv["name"] as string;
}
int col_n = (int)tv["col_n"]; //必须描述此协议的列数
s += "-" + col_n.ToString();
textline_dict[s] = new PD_LineObj(tv, DataType.str, this);
}
}
}
public override void pro(byte[] b, ref int off, int n)
{
int pre_off = off; //上次偏移位置
for (int i = 0; i < prot_list.Count; i++)
{
ProtDom pd = prot_dict[prot_list[i]]; //当前子协议域
pd.pro(b, ref off, n); //递归调用
n -= off - pre_off; //增加了多少字节，总字节数相应减掉
pre_off = off;
}
}
public override void set_val(double d)
{
switch (type) //根据输出的类型给输出
{
case DataType.f: data.f = (float)d; break;
case DataType.df: data.df = d; break;
default:
data.ds64 = ProtDom.double_2_s64(d); //转换成整数，四舍五入
break;
}
update_cb(this); //需要调参数的回调函数
}
public void clear()
{
prot_root = null;
textline_dict.Clear();
para_dict.Clear();
}