private void ComSymbolList()
{
int i, j, a1, a2, b1, b2;
mysymbol p1, p2, ps1, ps2;
mysymbol symbol;
ps1 = new mysymbol();
ps1.flag = 0;
ps1.value = "+";
symbol = ps1;
for (i = 0; i <= mSblList.Count - 1; i++)
{
p1 = mSblList[i];
p1.used = 0;
}
for (i = 0; i <= mSblList.Count - 1; i++)
{
p1 = mSblList[i];
if (p1.used == 1)
{
continue;
}
if (p1.flag == 0)
{
ps1 = p1;
continue;
}
if (p1.flag != 2)
{
continue;
}
}
}
public void SimpleParse(string str)
{
ClearSblList();
if (str == null)
{
return;
}
char[] buf = str.ToCharArray();
int len = Length(str);
int i = 0;
int j = 0;
int flag = 0;
char[] tmp = new char[64];
char[] OpSymbolArray = { '.', '*', '/', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' };
mysymbol p;
myvariable v;
while (i < len)
{
if (buf[i] == '+' || buf[i] == '-')
{
p = new mysymbol();
tmp[0] = buf[i];
p.value = new string(tmp);
p.flag = 0;
mSblList.Add(p);
i = i + 1;
continue;
}
j = i;
while (j <= len)
{
if ((buf[i] == '+' || buf[i] == '-') || (j == len))
{
p = new mysymbol();
p.value = new string(tmp);
GetVariantValueSign(p.value, ref p);
p.flag = flag;
mSblList.Add(p);
i = j;
break;
}
if (!OpSymbolArray.Contains(buf[i]))
{
p.flag = 2;
}
tmp[j - i] = buf[j];
j = j + 1;
}
}
}
private void GetVariantValueSign(string str, ref mysymbol p)
{
char[] OpSymbolArray = { '.', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' };
int i = 0, j = 0, len = 0, flag = 0;
string lastsign = "";
char[] tmp = new char[64];
char[] buf = new char[512];
p.value = "";
p.var1 = "";
p.var2 = "";
p.value2 = "";
lastsign = "*";
buf = str.ToCharArray();
len = Length(str);
i = 0;
while (i < len)
{
if (buf[i] == '*' || buf[i] == '/')
{
tmp[0] = buf[i];
lastsign = new string(tmp);
i = i + 1;
continue;
}
j = i;
flag = 1;
while (j <= len)
{
if ((buf[i] == '*' || buf[i] == '/') || (j == len))
{
if (flag == 1) //数值
{
if (lastsign == "*")
{
if (p.value == "")
{
p.value = new string(tmp);
}
else
{
p.value = IntToStr(MyStrToInt(p.value, 1) * MyStrToInt(new string(tmp), 1));
}
}
if (lastsign == "/")
{
if (p.value2 == "")
{
p.value2 = new string(tmp);
}
else
{
p.value2 = IntToStr(MyStrToInt(p.value2, 1) * MyStrToInt(new string(tmp), 1));
}
}
}
if (flag == 2) //数值
{
if (lastsign == "*")
{
if (p.var1 == "")
{
p.var1 = new string(tmp);
}
else
{
p.var1 = p.var1 + '*' + new string(tmp);
}
}
if (lastsign == "/")
{
if (p.var2 == "")
{
p.var2 = new string(tmp);
}
else
{
p.var2 = p.var2 + '*' + new string(tmp);
}
}
}
i = j;
break;
}
if (!(OpSymbolArray.Contains(buf[j])))
{
flag = 2;
}
tmp[j - i] = buf[j];
j = j + 1;
}
}
if ((p.value != "") && (p.value2 != ""))
{
i = MyStrToInt(p.value, 1);
j = MyStrToInt(p.value2, 1);
if ((i % j) == 0)
{
p.value = IntToStr(i / j);
p.value2 = "";
}
}
if ((p.var1 != "1") && (p.var2 != ""))
{
p.value = "";
}
if (p.value == "1")
{
p.value2 = "";
}
if ((p.var1 == "") && (p.var2 == "") && (p.value == "") && (p.value2 == ""))
{
p.value = str;
}
}
private void Parse(string str)
{
ClearSblList();
if (str == null)
{
return;
}
char[] buf = str.ToCharArray();
int len = Length(str);
int i = 0;
int j = 0;
char[] tmp = new char[64];
char[] OpSymbolArray = { '+', '-', '*', '/', '(', ')' };
mysymbol p;
myvariable v;
while (i < len)
{
if (buf[i] == ' ' || buf[i] == '\r' || buf[i] == '\n')
{
i = i + 1;
continue;
}
if (OpSymbolArray.Contains(buf[i]))
{
p = new mysymbol();
tmp[0] = buf[i];
p.value = new string(tmp);
p.flag = 0;
mSblList.Add(p);
i = i + 1;
continue;
}
j = i;
while (j <= len)
{
if ((OpSymbolArray.Contains(buf[i])) || (j == len))
{
p = new mysymbol();
p.value = new string(tmp);
p.flag = 1;
if (!IsNumeric(tmp))
{
p.flag = 2;
}
mSblList.Add(p);
i = j;
break;
}
tmp[j - i] = buf[j];
j = j + 1;
}
}
for (i = 0; i <= mSblList.Count - 1; i++)
{
p = mSblList[i];
for (j = 0; j <= mVarList.Count - 1; j++)
{
v = mVarList[j];
if (v.value == "")
{
continue;
}
if (p.value == v.name)
{
p.value = v.value;
if (v.value == "-10001") //特殊变量
{
p.value = IntToStr(mBHValue);
}
break;
}
}
}
}
