/// <summary>
/// 接受格式:命令([列表])+
/// 列表分隔用","
/// 特殊字符集:{(),}
/// </summary>
/// <param name="str"></param>
/// <param name="ESCAPE"></param>
/// <returns></returns>
public static int cmd(string str, string ESCAPE)
{
str = str.Trim();
if (str.Length == 0)
{
return 0;
}
if (ESCAPE == null)
{
ESCAPE = Apq.Shell.Common.ESCAPE;
}
State state = new State();
ParseResult obj = new ParseResult();
obj.cmd = Apq.Shell.Common.GetCmd(str, state, ESCAPE);
if (state.Index < str.Length)
{
Apq.Shell.Common.GetPars(str, state, ESCAPE, obj.Pars);
}
//return Apq.Shell.exec( obj );
return 0;
}
/// <summary>
/// 获取命令
/// </summary>
/// <param name="str"></param>
/// <param name="state"></param>
/// <param name="ESCAPE"></param>
/// <returns></returns>
public static string GetCmd(string str, State state, string ESCAPE)
{
System.Collections.ArrayList ary = new System.Collections.ArrayList();
for (Char c = Apq.Shell.Char.GetChar(str, state, ESCAPE); c != null; state.Index++, c = Apq.Shell.Char.GetChar(str, state, ESCAPE))
{
if (c.Type == 2)
{
if (c.Value == "(") break;
throw new ArgumentException("命令中不能含有特殊字符!");
}
ary.Add(c);
}
StringBuilder cmd = new StringBuilder();
for (int i = 0; i < ary.Count; i++)
{
cmd.Append((ary[i] as Char).Value);
}
return cmd.ToString();
}
/// <summary>
/// 获取指定位置的字符[若为转义符自动取下一位置]
/// </summary>
/// <param name="str"></param>
/// <param name="state"></param>
/// <param name="ESCAPE"></param>
/// <returns></returns>
public static Char GetChar(string str, State state, string ESCAPE)
{
if (state.Index >= str.Length)
{
return null;
}
Char c = new Char();
c.Value = str[state.Index].ToString();
if (c.Value == ESCAPE)
{
try
{
c.Value = Transform(str[++state.Index].ToString());
}
catch { }
c.Type = 1;
}
else
{
c.Type = Apq.Collections.IList.Contains(Apq.Shell.Common.SpecialChars, c.Value) ? 2 : 1;
}
return c;
}
/// <summary>
/// 获取括号对
/// </summary>
/// <param name="str"></param>
/// <param name="state"></param>
/// <param name="ESCAPE"></param>
/// <param name="Pars"></param>
public static void GetPars(string str, State state, string ESCAPE, System.Collections.ArrayList Pars)
{
System.Collections.ArrayList Chars = new System.Collections.ArrayList(); // 字符数组
int index = 0; // 待解析的起始位置
for (Char c = Apq.Shell.Char.GetChar(str, state, ESCAPE); c != null; state.Index++, c = Apq.Shell.Char.GetChar(str, state, ESCAPE))
{
Chars.Add(c);
if (c.Type == 2)
{
if (c.Value == ")")
{
Pars.Add(Apq.Shell.Common.BuildSym(Chars, index));
index = state.Index + 1;
}
}
}
}