/// <summary>
/// 在Exp1的子序列上加入 op exp2的操作
/// </summary>
/// <example>
/// 即，原为 exp1
/// 此操作相当于 exp1=exp1 op exp2
/// </example>
/// <param name="Exp1"></param>
/// <param name="Op"></param>
/// <param name="Exp2"></param>
public void AddBoolExpression(BoolExpression Exp1, BoolOp Op, BoolExpression Exp2)
{
var Exp = Exp1.Exp;
var ComplexExp = Exp as ComplexBoolExpression;
if (ComplexExp == null)
{
ComplexExp = new ComplexBoolExpression(this.Ins);
ComplexExp.First = new BoolExpression()
{
Exp = Exp1.Exp
};
}
ComplexExp.Sequeces.Add(new AddBoolExpression(Op, Exp2));
Exp1.Exp = ComplexExp;
}
/// <summary>
/// 完成类似于exp1 = exp1 op col comop vlaue操作
/// </summary>
/// <param name="Exp1"></param>
/// <param name="Op"></param>
/// <param name="Col"></param>
/// <param name="ComOp"></param>
/// <param name="Value"></param>
/// <param name="ShowValue"></param>
public void AddBoolExpression(BoolExpression Exp1,
BoolOp Op, CompareCol Col, CompareOp ComOp, String Value, String ShowValue, String paramName)
{
var Exp2 = new BoolExpression()
{
Exp = new SimpleBoolExpression(Col, ComOp, Value, ShowValue, Exp1.QueryIns, paramName)
};
var Exp = Exp1.Exp;
var ComplexExp = Exp as ComplexBoolExpression;
if (ComplexExp == null)
{
ComplexExp = new ComplexBoolExpression(this.Ins);
ComplexExp.First = new BoolExpression()
{
Exp = Exp1.Exp
};
}
ComplexExp.Sequeces.Add(new AddBoolExpression(Op, Exp2));
Exp1.Exp = ComplexExp;
}
/// <summary>
///
/// </summary>
/// <param name="op">布尔运算符</param>
/// <param name="exp">要组合的表达式</param>
public AddBoolExpression(BoolOp op, BoolExpression exp)
{
BoolOp = op;
BoolExpression = exp;
}
