/// <summary>
/// 识别算符和界符
/// </summary>
/// <param name="input">输入内容</param>
/// <param name="index">位置索引</param>
/// <param name="builder">临时存储变量</param>
/// <param name="result">返回结果</param>
private static bool identifyOperatorsOrSeparators(string input, ref int index, StringBuilder builder, List <KeyValuePair <string, int> > result)
{
bool returnValue = false;
while (Tools.IsBelongToSeparatorsOrOperators(input, index))
{
builder.Append(input[index]);
if (input[index] == '>' || input[index] == '<' || input[index] == '!' || input[index] == '=')
{
if (input[index + 1] == '=')
{
builder.Append(input[index + 1]);
index = index + 1;
}
}
else if (input[index] == '|')
{
if (input[index + 1] == '|')
{
builder.Append(input[index + 1]);
index = index + 1;
}
}
else if (input[index] == '&')
{
if (input[index + 1] == '&')
{
builder.Append(input[index + 1]);
index = index + 1;
}
}
if (input[index] == '*')
{
if (input[index + 1] == '/')
{
builder.Append(input[index + 1]);
index = index + 1;
}
}
else if (input[index] == '/')
{
if (input[index + 1] == '*')
{
builder.Append(input[index + 1]);
index = index + 1;
}
}
string str = builder.ToString();
builder.Clear();
index++;
returnValue = true;
if (Operators.ContainsKey(str))
{
int value;
Operators.TryGetValue(str, out value);
result.Add(new KeyValuePair <string, int>(str, value));//返回关键字的种别编码
}
if (Separators.ContainsKey(str))
{
int value;
Separators.TryGetValue(str, out value);
result.Add(new KeyValuePair <string, int>(str, value));//返回关键字的种别编码
}
}
return(returnValue);
}