/// <summary>
/// 根据状态转移函数获取结果信息
/// </summary>
/// <param name="statue">当前状态</param>
/// <param name="read">读取字符</param>
/// <param name="write">写入字符</param>
/// <param name="direction">转移方向</param>
/// <param name="nextstatue">下一个状态</param>
/// <returns></returns>
public int GetJmpInfo(int statue, char read, ref char write, ref int direction, ref int nextstatue)
{
if (statue < 0 || statue > length)
{
return(-1);
}
JmpTab jmp = jmpTabs[statue];
while (jmp.next != null)
{
if (jmp.read == read)
{
write = jmp.write;
direction = jmp.direction;
nextstatue = jmp.statue;
return(0);
}
jmp = jmp.next;
}
return(-1);
}
/// <summary>
/// 构建跳转函数表
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
private int BuildJmpTab()
{
jmpTabs = new JmpTab[length];
for (int i = 0; i < length; i++)
{
jmpTabs[i] = new JmpTab();
}
for (int i = 0; i < Jmpfuncs.Length; i += 6)
{
int x = GetOrder(Jmpfuncs[i + 1]);
if (x < 0 || x > length)
{
return(-1);
}
JmpTab jmp = jmpTabs[x];
while (jmp.next != null)
{
jmp = jmp.next;
}
jmp.read = Jmpfuncs[i + 2][0];
jmp.write = Jmpfuncs[i + 4][0];
if (Jmpfuncs[i + 5][0] == 'l' || Jmpfuncs[i + 5][0] == 'L')
{
jmp.direction = -1;
}
else if (Jmpfuncs[i + 5][0] == 'r' || Jmpfuncs[i + 5][0] == 'R')
{
jmp.direction = 1;
}
else
{
jmp.direction = 0;
}
jmp.statue = GetOrder(Jmpfuncs[i + 3]);
jmp.next = new JmpTab();
}
return(0);
}
public JmpTab()
{
next = null;
}