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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace Mesnac.Basic
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{
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class Analyzer
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{
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}
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/// <summary>
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/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<28><><EFBFBD>ϵ<EFBFBD><CFB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD><C8BC><EFBFBD><EFBFBD>εݼ<CEB5>)
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/// </summary>
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public enum OperatorType
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{
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/// <summary>
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/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:(,left bracket
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/// </summary>
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LB = 10,
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/// <summary>
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/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>),right bracket
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/// </summary>
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RB = 11,
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/// <summary>
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/// <20><EFBFBD><DFBC><EFBFBD>,!,NOT
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/// </summary>
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NOT = 20,
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/// <summary>
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/// <20><><EFBFBD><EFBFBD>,+,positive sign
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/// </summary>
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PS = 21,
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/// <summary>
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/// <20><><EFBFBD><EFBFBD>,-,negative sign
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/// </summary>
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NS = 22,
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/// <summary>
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/// <20><>,*,multiplication
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/// </summary>
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MUL = 30,
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/// <summary>
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/// <20><>,/,division
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/// </summary>
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DIV = 31,
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/// <summary>
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/// <20><>,%,modulus
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/// </summary>
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MOD = 32,
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/// <summary>
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/// <20><>,+,Addition
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/// </summary>
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ADD = 40,
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/// <summary>
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/// <20><>,-,subtraction
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/// </summary>
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SUB = 41,
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/// <summary>
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/// С<><D0A1>,less than
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/// </summary>
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LT = 50,
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/// <summary>
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/// С<>ڻ<EFBFBD><DABB><EFBFBD><EFBFBD><EFBFBD>,less than or equal to
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/// </summary>
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LE = 51,
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/// <summary>
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/// <20><><EFBFBD><EFBFBD>,>,greater than
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/// </summary>
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GT = 52,
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/// <summary>
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/// <20><><EFBFBD>ڻ<EFBFBD><DABB><EFBFBD><EFBFBD><EFBFBD>,>=,greater than or equal to
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/// </summary>
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GE = 53,
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/// <summary>
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/// <20><><EFBFBD><EFBFBD>,=,equal to
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/// </summary>
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ET = 60,
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/// <summary>
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/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,unequal to
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/// </summary>
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UT = 61,
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/// <summary>
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/// <20><EFBFBD><DFBC><EFBFBD>,&,AND
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/// </summary>
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AND = 70,
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/// <summary>
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/// <20><EFBFBD><DFBC><EFBFBD>,|,OR
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/// </summary>
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OR = 71,
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/// <summary>
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/// <20><><EFBFBD><EFBFBD>,comma
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/// </summary>
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CA = 80,
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/// <summary>
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/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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/// </summary>
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END = 255,
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/// <summary>
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/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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/// </summary>
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ERR = 256
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}
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/// <summary>
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/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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/// </summary>
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public class Operator
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{
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private OperatorType type = OperatorType.END;
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private string value = "";
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public Operator(OperatorType type, string value)
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{
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this.type = type;
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this.value = value;
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}
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/// <summary>
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/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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/// </summary>
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public OperatorType Type
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{
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get
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{
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return this.type;
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}
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set
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{
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this.type = value;
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}
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}
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/// <summary>
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/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
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/// </summary>
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public string Value
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{
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get
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{
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return this.value;
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}
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set
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{
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this.value = value;
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}
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}
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}
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/// <summary>
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/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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/// </summary>
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public enum OperandType
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{
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/// <summary>
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/// <20><><EFBFBD><EFBFBD>
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/// </summary>
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FUNC = 1,
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/// <summary>
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/// <20><><EFBFBD><EFBFBD>
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/// </summary>
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DATE = 2,
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/// <summary>
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/// <20><><EFBFBD><EFBFBD>
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/// </summary>
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NUMBER = 3,
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/// <summary>
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/// <20><><EFBFBD><EFBFBD>
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/// </summary>
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BOOLEAN = 4,
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/// <summary>
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/// <20>ַ<EFBFBD><D6B7><EFBFBD>
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/// </summary>
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STRING = 5
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}
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/// <summary>
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/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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/// </summary>
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public class Operand
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{
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private OperandType type = OperandType.STRING;
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private string key = "";
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private object value = null;
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public Operand(OperandType type, object value)
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{
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this.type = type;
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this.value = value;
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}
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/// <summary>
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/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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/// </summary>
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public OperandType Type
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{
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get
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{
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return this.type;
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}
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set
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{
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this.type = value;
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}
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}
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/// <summary>
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/// <20>ؼ<EFBFBD><D8BC><EFBFBD>
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/// </summary>
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public string Key
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{
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get
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{
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return this.key;
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}
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set
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{
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this.key = value;
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}
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}
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/// <summary>
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/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
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/// </summary>
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public object Value
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{
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get
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{
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return this.value;
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}
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set
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{
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this.value = value;
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}
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}
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}
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/// <summary>
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/// <20><EFBFBD><EFB7A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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/// </summary>
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public class AccidenceAnalyzer
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{
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private string m_Operator = "()!*/%+-<>=&|,"; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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private Stack<object> m_tokens = null; //<2F><EFBFBD><EFB7A8>Ԫ<EFBFBD><D4AA>ջ
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private string m_Message = ""; //<2F><>Ϣ
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/// <summary>
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///
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/// </summary>
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public AccidenceAnalyzer()
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{
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m_tokens = new Stack<object>();
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}
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/// <summary>
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/// <20><>Ϣ
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/// </summary>
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public string Message
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{
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get
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{
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return m_Message;
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}
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}
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/// <summary>
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/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFB7A8>Ԫ<EFBFBD><D4AA><EFBFBD><EFBFBD>
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/// </summary>
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public Stack<object> Tokens
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{
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get
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{
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return m_tokens;
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}
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}
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/// <summary>
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/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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/// </summary>
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public string Inclusive
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{
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set
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{
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char[] cs = value.ToCharArray();
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foreach (char c in cs)
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{
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if (m_Operator.IndexOf(c) == -1)
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{
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m_Operator += c.ToString();
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}
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}
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}
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}
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/// <summary>
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/// <20>ų<EFBFBD><C5B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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/// </summary>
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public string Repulsive
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{
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set
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{
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char[] cs = value.ToCharArray();
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int pos = 0;
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foreach (char c in cs)
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{
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pos = m_Operator.IndexOf(c);
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if (pos > -1)
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{
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m_Operator = m_Operator.Remove(pos, 1);
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}
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}
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}
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}
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/// <summary>
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/// <20><EFBFBD><EFB7A8><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD>
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/// </summary>
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/// <param name="opd"><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD></param>
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/// <returns></returns>
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public delegate bool AccidenceAnalysis(ref Operand opd);
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/// <summary>
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/// <20><EFBFBD><EFB7A8><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD>
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/// </summary>
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/// <param name="opd"><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD></param>
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/// <returns></returns>
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public event AccidenceAnalysis OnAccidenceAnalysis;
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/// <summary>
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/// <20>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD>
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/// </summary>
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/// <param name="opd"><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD></param>
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/// <param name="msg"><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ</param>
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public delegate object CallBack(string funcName, object[] param, ref bool isOk);
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/// <summary>
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/// <20>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD>
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/// </summary>
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/// <param name="opd"><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD></param>
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/// <param name="msg"><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ</param>
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public event CallBack OnCallBack;
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/// <summary>
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/// <20><EFBFBD><EFB7A8><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><D7BA><EFBFBD><EFBFBD>ʽת<CABD><D7AA><EFBFBD>ɺ<EFBFBD><EFBFBD><D7BA><EFBFBD><EFBFBD>ʽ(<28><><EFBFBD>沨<EFBFBD><E6B2A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ)
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/// </summary>
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/// <param name="exp">һ<><D2BB><EFBFBD><EFBFBD><EFBFBD><D7BA><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD><EFBFBD>磺a+b*c</param>
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/// <returns></returns>
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public bool Parse(string exp)
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{
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/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽת<EFBFBD><EFBFBD><EFBFBD>ɺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD>㷨<EFBFBD><EFBFBD>
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1<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɨ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD>
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2<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD>Dz<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϸò<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ò<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ
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3<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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(1) <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>"("<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD>Ӵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD>
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(2) <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>")"<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD>е<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊֹ<EFBFBD><EFBFBD>
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(3) <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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(a) <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջջ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD>ţ<EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD>Ӵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD>
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(b) <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջջ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD>Ӵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD>
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(c) <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջջ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD><EFBFBD>ͣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD>
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4<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD>ɺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջΪ<EFBFBD>ա<EFBFBD>
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*/
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m_tokens.Clear();//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFB7A8>Ԫ<EFBFBD><D4AA>ջ
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if (exp.Trim() == "")//<2F><><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>
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{
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|
return false;
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|
}
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|
else if (!this.IsMatching(exp))//<2F><><EFBFBD>š<EFBFBD><C5A1><EFBFBD><EFBFBD>š<EFBFBD><C5A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ŵȱ<C5B5><C8B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
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|
{
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|
|
return false;
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|
}
|
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|
else
|
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|
{
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Stack<object> tokens = new Stack<object>(); //<2F><EFBFBD><EFB7A8>Ԫ<EFBFBD><D4AA>ջ
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Stack<Operator> operators = new Stack<Operator>(); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ
|
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OperandType operandType = OperandType.STRING; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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|
OperatorType operatorType = OperatorType.ERR; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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string currentOpd = ""; //<2F><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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string currentOpt = ""; //<2F><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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int currentPos = 0; //<2F><>ǰλ<C7B0><CEBB>
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|
int funcCount = 0; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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|
exp += "";//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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|
while (exp != "")
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|
{
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|
currentPos = FindOperator(exp);
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|
if (currentPos == -1)
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|
{
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|
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFB7A8><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD>
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Operand opd = new Operand(ConvertOperand(exp), exp);
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if (this.OnAccidenceAnalysis == null)
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{
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tokens.Push(opd);
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}
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else
|
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{
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|
|
if (OnAccidenceAnalysis(ref opd))
|
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|
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|
{
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|
tokens.Push(opd);
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|
}
|
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else
|
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|
|
{
|
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|
m_Message = "<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:" + Convert.ToString(opd.Value) + "ʧ<><CAA7>";
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|
tokens.Clear();
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|
return false;
|
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|
|
}
|
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|
|
}
|
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|
|
break;
|
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|
|
}
|
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|
|
else
|
|
|
|
|
|
{
|
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|
|
bool isNS = false;
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|
|
currentOpd = exp.Substring(0, currentPos);
|
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|
|
if ((currentPos == 0) && (currentOpt != ")") & (exp.Substring(currentPos, 1) == "-"))
|
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|
{
|
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|
|
isNS = true;
|
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|
|
|
}
|
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|
|
currentOpt = exp.Substring(currentPos, 1);
|
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|
|
|
currentOpd = currentOpd.Trim();
|
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|
|
if (currentOpt == "(")
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|
{
|
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|
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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|
|
|
|
if (currentOpd != "")
|
|
|
|
|
|
{
|
|
|
|
|
|
funcCount++;
|
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|
|
|
|
}
|
|
|
|
|
|
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƴ<EFBFBD><C6B4><EFBFBD><EFBFBD><EFBFBD><EFB7A8>Ԫ<EFBFBD><D4AA>ջ
|
|
|
|
|
|
if (currentOpd != "")
|
|
|
|
|
|
{
|
|
|
|
|
|
tokens.Push(new Operand(ConvertOperand(currentOpd + "("), currentOpd));
|
|
|
|
|
|
}
|
|
|
|
|
|
//<2F><><EFBFBD><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><>ֱ<EFBFBD>Ӵ<EFBFBD><D3B4><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><D5BB>
|
|
|
|
|
|
operators.Push(new Operator(OperatorType.LB, "("));
|
|
|
|
|
|
}
|
|
|
|
|
|
else if (currentOpt == ")")
|
|
|
|
|
|
{
|
|
|
|
|
|
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFB7A8>Ԫ<EFBFBD><D4AA>ջ
|
|
|
|
|
|
if (currentOpd != "")
|
|
|
|
|
|
{
|
|
|
|
|
|
operandType = this.ConvertOperand(currentOpd);
|
|
|
|
|
|
if ((operandType != OperandType.STRING) || (funcCount > 0))
|
|
|
|
|
|
{
|
|
|
|
|
|
//lizheng add
|
|
|
|
|
|
if (operandType == OperandType.STRING)
|
|
|
|
|
|
{
|
|
|
|
|
|
Operand opd = new Operand(ConvertOperand(currentOpd), currentOpd);
|
|
|
|
|
|
if (this.OnAccidenceAnalysis == null)
|
|
|
|
|
|
{
|
|
|
|
|
|
tokens.Push(opd);
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
if (OnAccidenceAnalysis(ref opd))
|
|
|
|
|
|
{
|
|
|
|
|
|
tokens.Push(opd);
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
m_Message = "<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:" + Convert.ToString(opd.Value) + "ʧ<><CAA7>";
|
|
|
|
|
|
tokens.Clear();
|
|
|
|
|
|
return false;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
//
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
tokens.Push(new Operand(ConvertOperand(currentOpd), currentOpd));
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
Operand opd = new Operand(ConvertOperand(currentOpd), currentOpd);
|
|
|
|
|
|
if (this.OnAccidenceAnalysis == null)
|
|
|
|
|
|
{
|
|
|
|
|
|
tokens.Push(opd);
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
if (OnAccidenceAnalysis(ref opd))
|
|
|
|
|
|
{
|
|
|
|
|
|
tokens.Push(opd);
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
m_Message = "<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:" + Convert.ToString(opd.Value) + "ʧ<><CAA7>";
|
|
|
|
|
|
tokens.Clear();
|
|
|
|
|
|
return false;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
//<2F><><EFBFBD><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD>ε<EFBFBD><CEB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뵽<EFBFBD><EFBFBD><EFB7A8>Ԫ<EFBFBD><D4AA>ջ,ֱ<><D6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊֹ.
|
|
|
|
|
|
while (operators.Count > 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
if (operators.Peek().Type != OperatorType.LB)
|
|
|
|
|
|
{
|
|
|
|
|
|
tokens.Push(operators.Pop());
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
tokens.Push(operators.Pop());
|
|
|
|
|
|
tokens.Push(new Operator(OperatorType.RB, ")"));
|
|
|
|
|
|
break;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|
|
|
|
|
if (funcCount > 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
funcCount--;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFB7A8>Ԫ<EFBFBD><D4AA>ջ
|
|
|
|
|
|
if (currentOpd != "")
|
|
|
|
|
|
{
|
|
|
|
|
|
operandType = this.ConvertOperand(currentOpd);
|
|
|
|
|
|
if ((operandType != OperandType.STRING) || (funcCount > 0))
|
|
|
|
|
|
{
|
|
|
|
|
|
//lizheng add
|
|
|
|
|
|
if (operandType == OperandType.STRING)
|
|
|
|
|
|
{
|
|
|
|
|
|
Operand opd = new Operand(ConvertOperand(currentOpd), currentOpd);
|
|
|
|
|
|
if (this.OnAccidenceAnalysis == null)
|
|
|
|
|
|
{
|
|
|
|
|
|
tokens.Push(opd);
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
if (OnAccidenceAnalysis(ref opd))
|
|
|
|
|
|
{
|
|
|
|
|
|
tokens.Push(opd);
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
m_Message = "<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:" + Convert.ToString(opd.Value) + "ʧ<><CAA7>";
|
|
|
|
|
|
tokens.Clear();
|
|
|
|
|
|
return false;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
//
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
tokens.Push(new Operand(ConvertOperand(currentOpd), currentOpd));
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
Operand opd = new Operand(ConvertOperand(currentOpd), currentOpd);
|
|
|
|
|
|
if (this.OnAccidenceAnalysis == null)
|
|
|
|
|
|
{
|
|
|
|
|
|
tokens.Push(opd);
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
if (OnAccidenceAnalysis(ref opd))
|
|
|
|
|
|
{
|
|
|
|
|
|
tokens.Push(opd);
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
m_Message = "<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:" + Convert.ToString(opd.Value) + "ʧ<><CAA7>";
|
|
|
|
|
|
tokens.Clear();
|
|
|
|
|
|
return false;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|
|
|
|
|
currentOpt = this.AdjustOperator(currentOpt, exp, currentPos, out currentPos);
|
|
|
|
|
|
if (isNS)
|
|
|
|
|
|
{
|
|
|
|
|
|
operatorType = this.ConvertOperator(currentOpt, false);
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
operatorType = this.ConvertOperator(currentOpt, this.IsDyadicOperator(ref tokens, ref operators, currentOpd));
|
|
|
|
|
|
}
|
|
|
|
|
|
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ
|
|
|
|
|
|
if (operatorType == OperatorType.ERR)
|
|
|
|
|
|
{
|
|
|
|
|
|
m_Message = "<22><>Ч<EFBFBD><D0A7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:" + currentOpt;
|
|
|
|
|
|
tokens.Clear();
|
|
|
|
|
|
return false;
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
if (operators.Count == 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջΪ<D5BB><CEAA>,<2C><>ֱ<EFBFBD>Ӵ<EFBFBD><D3B4><EFBFBD>.
|
|
|
|
|
|
operators.Push(new Operator(operatorType, currentOpt));
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
if (operators.Peek().Type == OperatorType.LB)
|
|
|
|
|
|
{
|
|
|
|
|
|
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջջ<D5BB><D5BB>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD>Ӵ<EFBFBD><D3B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ.
|
|
|
|
|
|
operators.Push(new Operator(operatorType, currentOpt));
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
if (OperatorPriority(operatorType, operators.Peek().Type) > 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
//<2F><><EFBFBD><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><D5BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD><C8BC><EFBFBD>,<2C><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD>Ӵ<EFBFBD><D3B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ.
|
|
|
|
|
|
operators.Push(new Operator(operatorType, currentOpt));
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
//<2F><><EFBFBD><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջջ<D5BB><D5BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD><C8BC>ͻ<EFBFBD><CDBB><EFBFBD><EFBFBD><EFBFBD>,<2C><EFBFBD><F2B5AFB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջջ<D5BB><D5BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뵽<EFBFBD><EFBFBD><EFB7A8>Ԫ<EFBFBD><D4AA>ջ,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ.
|
|
|
|
|
|
tokens.Push(operators.Pop());
|
|
|
|
|
|
operators.Push(new Operator(operatorType, currentOpt));
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
exp = exp.Substring(currentPos + 1).Trim();
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
//ת<><D7AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><D5BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ,
|
|
|
|
|
|
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFB7A8>Ԫ<EFBFBD><D4AA>ջ,ֱ<><D6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջΪ<D5BB><CEAA>
|
|
|
|
|
|
while (operators.Count > 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
tokens.Push(operators.Pop());
|
|
|
|
|
|
}
|
|
|
|
|
|
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFB7A8>Ԫ<EFBFBD>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD>˳<EFBFBD><CBB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFB7A8>Ԫ
|
|
|
|
|
|
while (tokens.Count > 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
m_tokens.Push(tokens.Pop());
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
return true;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// <20><><EFBFBD>沨<EFBFBD><E6B2A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD>ֵ
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="isOk"><3E>Ƿ<EFBFBD><C7B7>ɹ<EFBFBD></param>
|
|
|
|
|
|
/// <returns><3E><><EFBFBD><EFBFBD>ֵ</returns>
|
|
|
|
|
|
public object Evaluate(ref bool isOk)
|
|
|
|
|
|
{
|
|
|
|
|
|
/*
|
|
|
|
|
|
<EFBFBD>沨<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD>ֵ<EFBFBD>㷨<EFBFBD><EFBFBD>
|
|
|
|
|
|
1<EFBFBD><EFBFBD>ѭ<EFBFBD><EFBFBD>ɨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD>
|
|
|
|
|
|
2<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD>Dz<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD>
|
|
|
|
|
|
3<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD>Ķ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>и<EFBFBD><EFBFBD><EFBFBD><EFBFBD>㡣
|
|
|
|
|
|
4<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>һԪ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>и<EFBFBD><EFBFBD><EFBFBD><EFBFBD>㡣
|
|
|
|
|
|
5<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD>
|
|
|
|
|
|
6<EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>2-5<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD>м<EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>
|
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
if (m_tokens.Count == 0) return null;
|
|
|
|
|
|
|
|
|
|
|
|
isOk = false;
|
|
|
|
|
|
object value = null;
|
|
|
|
|
|
bool existFunc = false;
|
|
|
|
|
|
Stack<Operand> opds = new Stack<Operand>();
|
|
|
|
|
|
Stack<object> pars = new Stack<object>();
|
|
|
|
|
|
Operand opd, opdA, opdB;
|
|
|
|
|
|
|
|
|
|
|
|
foreach (object item in m_tokens)
|
|
|
|
|
|
{
|
|
|
|
|
|
if (item is Operand)
|
|
|
|
|
|
{
|
|
|
|
|
|
//<2F><><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ<EFBFBD><D1B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ
|
|
|
|
|
|
opds.Push((Operand)item);
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
switch (((Operator)item).Type)
|
|
|
|
|
|
{
|
|
|
|
|
|
#region <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|
|
|
|
|
case OperatorType.LB:
|
|
|
|
|
|
|
|
|
|
|
|
if (opds.Count > 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ
|
|
|
|
|
|
pars.Clear();
|
|
|
|
|
|
//<2F><><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7>к<EFBFBD><D0BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|
|
|
|
|
existFunc = false;
|
|
|
|
|
|
foreach (Operand opdItem in opds)
|
|
|
|
|
|
{
|
|
|
|
|
|
if (opdItem.Type == OperandType.FUNC)
|
|
|
|
|
|
{
|
|
|
|
|
|
existFunc = true;
|
|
|
|
|
|
break;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ<EFBFBD><D1B9><EFBFBD><EFBFBD>ջ
|
|
|
|
|
|
if (existFunc)
|
|
|
|
|
|
{
|
|
|
|
|
|
while (opds.Count > 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
opd = opds.Peek();
|
|
|
|
|
|
if (opd.Type != OperandType.FUNC)
|
|
|
|
|
|
{
|
|
|
|
|
|
opd = opds.Pop();
|
|
|
|
|
|
pars.Push(opd.Value);
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
break;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
#region <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|
|
|
|
|
case OperatorType.RB:
|
|
|
|
|
|
if (pars.Count > 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
object val;
|
|
|
|
|
|
bool ok = false;
|
|
|
|
|
|
if (this.OnCallBack != null)
|
|
|
|
|
|
{
|
|
|
|
|
|
val = OnCallBack(Convert.ToString(opds.Pop().Value), pars.ToArray(), ref ok);
|
|
|
|
|
|
if (ok)
|
|
|
|
|
|
{
|
|
|
|
|
|
opds.Push(new Operand(OperandType.NUMBER, val));
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
pars.Clear();
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
#region <20><EFBFBD><DFBC><EFBFBD>,!,NOT
|
|
|
|
|
|
case OperatorType.NOT:
|
|
|
|
|
|
opdA = opds.Pop();
|
|
|
|
|
|
if (IsCanConvertToNumber(opdA.Value))
|
|
|
|
|
|
{
|
|
|
|
|
|
opds.Push(new Operand(OperandType.BOOLEAN, !ConvertToBoolean(opdA.Value)));
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
#region <20><><EFBFBD><EFBFBD>,+,positive sign
|
|
|
|
|
|
case OperatorType.PS:
|
|
|
|
|
|
opdA = opds.Pop();
|
|
|
|
|
|
if (IsNumber(opdA.Value))
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
opds.Push(new Operand(OperandType.NUMBER, +ConvertToNumber(opdA.Value)));
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
#region <20><><EFBFBD><EFBFBD>,-,negative sign
|
|
|
|
|
|
case OperatorType.NS:
|
|
|
|
|
|
opdA = opds.Pop();
|
|
|
|
|
|
if (IsNumber(opdA.Value))
|
|
|
|
|
|
{
|
|
|
|
|
|
opds.Push(new Operand(OperandType.NUMBER, -ConvertToNumber(opdA.Value)));
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
#region <20><>,*,multiplication
|
|
|
|
|
|
case OperatorType.MUL:
|
|
|
|
|
|
opdA = opds.Pop();
|
|
|
|
|
|
opdB = opds.Pop();
|
|
|
|
|
|
if (IsNumber(opdA.Value) && IsNumber(opdB.Value))
|
|
|
|
|
|
{
|
|
|
|
|
|
opds.Push(new Operand(OperandType.NUMBER, ConvertToNumber(opdB.Value) * ConvertToNumber(opdA.Value)));
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
#region <20><>,/,division
|
|
|
|
|
|
case OperatorType.DIV:
|
|
|
|
|
|
opdA = opds.Pop();
|
|
|
|
|
|
opdB = opds.Pop();
|
|
|
|
|
|
if (IsNumber(opdA.Value) && IsNumber(opdB.Value))
|
|
|
|
|
|
{
|
|
|
|
|
|
opds.Push(new Operand(OperandType.NUMBER, ConvertToNumber(opdB.Value) / ConvertToNumber(opdA.Value)));
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
#region <20><>,%,modulus
|
|
|
|
|
|
case OperatorType.MOD:
|
|
|
|
|
|
opdA = opds.Pop();
|
|
|
|
|
|
opdB = opds.Pop();
|
|
|
|
|
|
if (IsNumber(opdA.Value) && IsNumber(opdB.Value))
|
|
|
|
|
|
{
|
|
|
|
|
|
opds.Push(new Operand(OperandType.NUMBER, ConvertToNumber(opdB.Value) % ConvertToNumber(opdA.Value)));
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
#region <20><>,+,Addition
|
|
|
|
|
|
case OperatorType.ADD:
|
|
|
|
|
|
opdA = opds.Pop();
|
|
|
|
|
|
opdB = opds.Pop();
|
|
|
|
|
|
if (IsNumber(opdA.Value) && IsNumber(opdB.Value))//<2F><><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱֱ<CAB1><D6B1><EFBFBD><EFBFBD><EFBFBD>㣬<EFBFBD><E3A3AC><EFBFBD><EFBFBD><EFBFBD>б<EFBFBD><D0B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>else<73><65><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>أ<EFBFBD><D8A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|
|
|
|
|
{
|
|
|
|
|
|
opds.Push(new Operand(OperandType.NUMBER, ConvertToNumber(opdB.Value) + ConvertToNumber(opdA.Value)));
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
#region <20><>,-,subtraction
|
|
|
|
|
|
case OperatorType.SUB:
|
|
|
|
|
|
opdA = opds.Pop();
|
|
|
|
|
|
opdB = opds.Pop();
|
|
|
|
|
|
if (IsNumber(opdA.Value) && IsNumber(opdB.Value))
|
|
|
|
|
|
{
|
|
|
|
|
|
opds.Push(new Operand(OperandType.NUMBER, ConvertToNumber(opdB.Value) - ConvertToNumber(opdA.Value)));
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
#region С<><D0A1>,less than
|
|
|
|
|
|
case OperatorType.LT:
|
|
|
|
|
|
opdA = opds.Pop();
|
|
|
|
|
|
opdB = opds.Pop();
|
|
|
|
|
|
if (IsCanConvertToNumber(opdA.Value) && IsCanConvertToNumber(opdB.Value))
|
|
|
|
|
|
{
|
|
|
|
|
|
opds.Push(new Operand(OperandType.NUMBER, ConvertToNumber(opdB.Value) < ConvertToNumber(opdA.Value)));
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
#region С<>ڻ<EFBFBD><DABB><EFBFBD><EFBFBD><EFBFBD>,less than or equal to
|
|
|
|
|
|
case OperatorType.LE:
|
|
|
|
|
|
opdA = opds.Pop();
|
|
|
|
|
|
opdB = opds.Pop();
|
|
|
|
|
|
if (IsCanConvertToNumber(opdA.Value) && IsCanConvertToNumber(opdB.Value))
|
|
|
|
|
|
{
|
|
|
|
|
|
opds.Push(new Operand(OperandType.NUMBER, ConvertToNumber(opdB.Value) <= ConvertToNumber(opdA.Value)));
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
#region <20><><EFBFBD><EFBFBD>,>,greater than
|
|
|
|
|
|
case OperatorType.GT:
|
|
|
|
|
|
opdA = opds.Pop();
|
|
|
|
|
|
opdB = opds.Pop();
|
|
|
|
|
|
if (IsCanConvertToNumber(opdA.Value) && IsCanConvertToNumber(opdB.Value))
|
|
|
|
|
|
{
|
|
|
|
|
|
opds.Push(new Operand(OperandType.NUMBER, ConvertToNumber(opdB.Value) > ConvertToNumber(opdA.Value)));
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
#region <20><><EFBFBD>ڻ<EFBFBD><DABB><EFBFBD><EFBFBD><EFBFBD>,>=,greater than or equal to
|
|
|
|
|
|
case OperatorType.GE:
|
|
|
|
|
|
opdA = opds.Pop();
|
|
|
|
|
|
opdB = opds.Pop();
|
|
|
|
|
|
if (IsCanConvertToNumber(opdA.Value) && IsCanConvertToNumber(opdB.Value))
|
|
|
|
|
|
{
|
|
|
|
|
|
opds.Push(new Operand(OperandType.NUMBER, ConvertToNumber(opdB.Value) >= ConvertToNumber(opdA.Value)));
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
#region <20><><EFBFBD><EFBFBD>,=,equal to
|
|
|
|
|
|
case OperatorType.ET:
|
|
|
|
|
|
opdA = opds.Pop();
|
|
|
|
|
|
opdB = opds.Pop();
|
|
|
|
|
|
if (IsCanConvertToNumber(opdA.Value) && IsCanConvertToNumber(opdB.Value))
|
|
|
|
|
|
{
|
|
|
|
|
|
opds.Push(new Operand(OperandType.NUMBER, ConvertToNumber(opdB.Value) == ConvertToNumber(opdA.Value)));
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
#region <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,unequal to
|
|
|
|
|
|
case OperatorType.UT:
|
|
|
|
|
|
opdA = opds.Pop();
|
|
|
|
|
|
opdB = opds.Pop();
|
|
|
|
|
|
if (IsCanConvertToNumber(opdA.Value) && IsCanConvertToNumber(opdB.Value))
|
|
|
|
|
|
{
|
|
|
|
|
|
opds.Push(new Operand(OperandType.NUMBER, ConvertToNumber(opdB.Value) != ConvertToNumber(opdA.Value)));
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
#region <20><EFBFBD><DFBC><EFBFBD>,&,AND
|
|
|
|
|
|
case OperatorType.AND:
|
|
|
|
|
|
opdA = opds.Pop();
|
|
|
|
|
|
opdB = opds.Pop();
|
|
|
|
|
|
if (IsCanConvertToNumber(opdA.Value) && IsCanConvertToNumber(opdB.Value))
|
|
|
|
|
|
{
|
|
|
|
|
|
opds.Push(new Operand(OperandType.NUMBER, ConvertToBoolean(opdB.Value) && ConvertToBoolean(opdA.Value)));
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
#region <20><EFBFBD><DFBC><EFBFBD>,|,OR
|
|
|
|
|
|
case OperatorType.OR:
|
|
|
|
|
|
opdA = opds.Pop();
|
|
|
|
|
|
opdB = opds.Pop();
|
|
|
|
|
|
if (IsCanConvertToNumber(opdA.Value) && IsCanConvertToNumber(opdB.Value))
|
|
|
|
|
|
{
|
|
|
|
|
|
opds.Push(new Operand(OperandType.NUMBER, ConvertToBoolean(opdB.Value) || ConvertToBoolean(opdA.Value)));
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
break;
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
#region <20><><EFBFBD><EFBFBD>,comma
|
|
|
|
|
|
case OperatorType.CA:
|
|
|
|
|
|
opdA = opds.Pop();
|
|
|
|
|
|
opdB = opds.Pop();
|
|
|
|
|
|
opds.Push(new Operand(opdB.Type, opdB.Value));
|
|
|
|
|
|
opds.Push(new Operand(opdA.Type, opdA.Value));
|
|
|
|
|
|
break;
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
#region <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|
|
|
|
|
case OperatorType.END:
|
|
|
|
|
|
break;
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
|
|
|
|
#region <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|
|
|
|
|
case OperatorType.ERR:
|
|
|
|
|
|
break;
|
|
|
|
|
|
#endregion
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
if (opds.Count > 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
if (opds.Count == 1)
|
|
|
|
|
|
{
|
|
|
|
|
|
isOk = true;
|
|
|
|
|
|
value = opds.Pop().Value;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
return value;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// <20>ӱ<EFBFBD><D3B1><EFBFBD>ʽ<EFBFBD>в<EFBFBD><D0B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="exp"><3E><><EFBFBD><EFBFBD>ʽ</param>
|
|
|
|
|
|
/// <returns><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB></returns>
|
|
|
|
|
|
private int FindOperator(string exp)
|
|
|
|
|
|
{
|
|
|
|
|
|
return FindOperator(exp, "");
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// <20>ӱ<EFBFBD><D3B1><EFBFBD>ʽ<EFBFBD>в<EFBFBD><D0B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="exp"><3E><><EFBFBD><EFBFBD>ʽ</param>
|
|
|
|
|
|
/// <param name="findOpt">Ҫ<><D2AA><EFBFBD>ҵ<EFBFBD><D2B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></param>
|
|
|
|
|
|
/// <returns><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB></returns>
|
|
|
|
|
|
private int FindOperator(string exp, string findOpt)
|
|
|
|
|
|
{
|
|
|
|
|
|
string opt = "";
|
|
|
|
|
|
string chr = "";
|
|
|
|
|
|
|
|
|
|
|
|
for (int i = 0; i < exp.Length; i++)
|
|
|
|
|
|
{
|
|
|
|
|
|
chr = exp.Substring(i, 1);
|
|
|
|
|
|
if ("\"'#".Contains(chr))//<2F><><EFBFBD><EFBFBD>˫<EFBFBD><CBAB><EFBFBD>š<EFBFBD><C5A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>š<EFBFBD><C5A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|
|
|
|
|
{
|
|
|
|
|
|
if (opt.Contains(chr))
|
|
|
|
|
|
{
|
|
|
|
|
|
opt = opt.Remove(opt.IndexOf(chr), 1);
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
opt += chr;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
if (opt == "")
|
|
|
|
|
|
{
|
|
|
|
|
|
if (findOpt != "")
|
|
|
|
|
|
{
|
|
|
|
|
|
if (findOpt == chr)
|
|
|
|
|
|
{
|
|
|
|
|
|
return i;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
if (m_Operator.IndexOf(chr) > -1)
|
|
|
|
|
|
{
|
|
|
|
|
|
return i;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
return -1;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>ƥ<EFBFBD><C6A5>
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <returns>ƥ<>䷵<EFBFBD><E4B7B5><EFBFBD><EFBFBD></returns>
|
|
|
|
|
|
private bool IsMatching(string exp)
|
|
|
|
|
|
{
|
|
|
|
|
|
string opt = "";
|
|
|
|
|
|
string chr = "";
|
|
|
|
|
|
|
|
|
|
|
|
for (int i = 0; i < exp.Length; i++)
|
|
|
|
|
|
{
|
|
|
|
|
|
chr = exp.Substring(i, 1);
|
|
|
|
|
|
if ("\"'#".Contains(chr))//<2F><><EFBFBD><EFBFBD>˫<EFBFBD><CBAB><EFBFBD>š<EFBFBD><C5A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>š<EFBFBD><C5A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|
|
|
|
|
{
|
|
|
|
|
|
if (opt.Contains(chr))
|
|
|
|
|
|
{
|
|
|
|
|
|
opt = opt.Remove(opt.IndexOf(chr), 1);
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
opt += chr;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
else if ("()".Contains(chr))//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>ɶ<EFBFBD>ƥ<EFBFBD><C6A5>
|
|
|
|
|
|
{
|
|
|
|
|
|
if (chr == "(")
|
|
|
|
|
|
{
|
|
|
|
|
|
opt += chr;
|
|
|
|
|
|
}
|
|
|
|
|
|
else if (chr == ")")
|
|
|
|
|
|
{
|
|
|
|
|
|
if (opt.Contains("("))
|
|
|
|
|
|
{
|
|
|
|
|
|
opt = opt.Remove(opt.IndexOf("("), 1);
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
return (opt == "");
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// ת<><D7AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="opd"><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD></param>
|
|
|
|
|
|
/// <returns><3E><><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD><C6B6>IJ<EFBFBD><C4B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></returns>
|
|
|
|
|
|
private OperandType ConvertOperand(string opd)
|
|
|
|
|
|
{
|
|
|
|
|
|
if (opd.IndexOf("(") > -1)
|
|
|
|
|
|
{
|
|
|
|
|
|
return OperandType.FUNC;
|
|
|
|
|
|
}
|
|
|
|
|
|
else if (this.IsNumber(opd))
|
|
|
|
|
|
{
|
|
|
|
|
|
return OperandType.NUMBER;
|
|
|
|
|
|
}
|
|
|
|
|
|
else if (this.IsDate(opd))
|
|
|
|
|
|
{
|
|
|
|
|
|
return OperandType.DATE;
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
return OperandType.STRING;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// ת<><D7AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="opt"><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD></param>
|
|
|
|
|
|
/// <param name="isDyadicOperator"><3E>Ƿ<EFBFBD>Ϊ<EFBFBD><CEAA>Ԫ<EFBFBD><D4AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD></param>
|
|
|
|
|
|
/// <returns><3E><><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></returns>
|
|
|
|
|
|
private OperatorType ConvertOperator(string opt, bool isDyadicOperator)
|
|
|
|
|
|
{
|
|
|
|
|
|
switch (opt)
|
|
|
|
|
|
{
|
|
|
|
|
|
case "!": return OperatorType.NOT;
|
|
|
|
|
|
case "+": return isDyadicOperator ? OperatorType.ADD : OperatorType.PS;
|
|
|
|
|
|
case "-": return isDyadicOperator ? OperatorType.SUB : OperatorType.NS;
|
|
|
|
|
|
case "*": return isDyadicOperator ? OperatorType.MUL : OperatorType.ERR;
|
|
|
|
|
|
case "/": return isDyadicOperator ? OperatorType.DIV : OperatorType.ERR;
|
|
|
|
|
|
case "%": return isDyadicOperator ? OperatorType.MOD : OperatorType.ERR;
|
|
|
|
|
|
case "<": return isDyadicOperator ? OperatorType.LT : OperatorType.ERR;
|
|
|
|
|
|
case ">": return isDyadicOperator ? OperatorType.GT : OperatorType.ERR;
|
|
|
|
|
|
case "<=": return isDyadicOperator ? OperatorType.LE : OperatorType.ERR;
|
|
|
|
|
|
case ">=": return isDyadicOperator ? OperatorType.GE : OperatorType.ERR;
|
|
|
|
|
|
case "<>": return isDyadicOperator ? OperatorType.UT : OperatorType.ERR;
|
|
|
|
|
|
case "=": return isDyadicOperator ? OperatorType.ET : OperatorType.ERR;
|
|
|
|
|
|
case "&": return isDyadicOperator ? OperatorType.AND : OperatorType.ERR;
|
|
|
|
|
|
case "|": return isDyadicOperator ? OperatorType.OR : OperatorType.ERR;
|
|
|
|
|
|
case ",": return isDyadicOperator ? OperatorType.CA : OperatorType.ERR;
|
|
|
|
|
|
case "": return isDyadicOperator ? OperatorType.END : OperatorType.ERR;
|
|
|
|
|
|
default: return OperatorType.ERR;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>Ϊ<EFBFBD><CEAA>Ԫ<EFBFBD><D4AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="tokens"><3E><EFBFBD><EFB7A8>Ԫ<EFBFBD><D4AA>ջ</param>
|
|
|
|
|
|
/// <param name="operators"><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ջ</param>
|
|
|
|
|
|
/// <param name="currentOpd"><3E><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD></param>
|
|
|
|
|
|
/// <returns><3E>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>,<2C>ؼ<F1B7B5BB></returns>
|
|
|
|
|
|
private bool IsDyadicOperator(ref Stack<object> tokens, ref Stack<Operator> operators, string currentOpd)
|
|
|
|
|
|
{
|
|
|
|
|
|
if (currentOpd != "")
|
|
|
|
|
|
{
|
|
|
|
|
|
return true;
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
if (tokens.Count == 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
return false;
|
|
|
|
|
|
}
|
|
|
|
|
|
object token = tokens.Peek();
|
|
|
|
|
|
if (token is Operand)
|
|
|
|
|
|
{
|
|
|
|
|
|
if (operators.Peek().Type != OperatorType.LB)
|
|
|
|
|
|
{
|
|
|
|
|
|
return true;
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
return false;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
if (((Operator)token).Type == OperatorType.RB)
|
|
|
|
|
|
{
|
|
|
|
|
|
return true;
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
return false;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="currentOpt"><3E><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD></param>
|
|
|
|
|
|
/// <param name="currentExp"><3E><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>ʽ</param>
|
|
|
|
|
|
/// <param name="currentOptPos"><3E><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB></param>
|
|
|
|
|
|
/// <param name="adjustOptPos"><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB></param>
|
|
|
|
|
|
/// <returns><3E><><EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></returns>
|
|
|
|
|
|
private string AdjustOperator(string currentOpt, string currentExp, int currentOptPos, out int adjustOptPos)
|
|
|
|
|
|
{
|
|
|
|
|
|
switch (currentOpt)
|
|
|
|
|
|
{
|
|
|
|
|
|
case "<":
|
|
|
|
|
|
if (currentExp.Substring(currentOptPos, 2) == "<=")
|
|
|
|
|
|
{
|
|
|
|
|
|
adjustOptPos = currentOptPos + 1;
|
|
|
|
|
|
return "<=";
|
|
|
|
|
|
}
|
|
|
|
|
|
else if (currentExp.Substring(currentOptPos, 2) == "<>")
|
|
|
|
|
|
{
|
|
|
|
|
|
adjustOptPos = currentOptPos + 1;
|
|
|
|
|
|
return "<>";
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
adjustOptPos = currentOptPos;
|
|
|
|
|
|
return "<";
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
case ">":
|
|
|
|
|
|
if (currentExp.Substring(currentOptPos, 2) == ">=")
|
|
|
|
|
|
{
|
|
|
|
|
|
adjustOptPos = currentOptPos + 1;
|
|
|
|
|
|
return ">=";
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
adjustOptPos = currentOptPos;
|
|
|
|
|
|
return ">";
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
|
adjustOptPos = currentOptPos;
|
|
|
|
|
|
return currentOpt;
|
|
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}
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}
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/// <summary>
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/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD><C8BC>Ƚ<EFBFBD>
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/// </summary>
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/// <param name="optA"><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>A</param>
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/// <param name="optB"><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>B</param>
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/// <returns>-1<><31><EFBFBD>ͣ<EFBFBD>0,<2C><><EFBFBD>ȣ<EFBFBD>1<EFBFBD><31><EFBFBD><EFBFBD></returns>
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private int OperatorPriority(OperatorType optA, OperatorType optB)
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{
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if (optA == optB)
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{
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//A<><41>B<EFBFBD><42><EFBFBD>ȼ<EFBFBD><C8BC><EFBFBD><EFBFBD><EFBFBD>
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return 0;
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}
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else if (optA > optB)
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{
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//A<><41><EFBFBD>ȼ<EFBFBD><C8BC><EFBFBD><EFBFBD><EFBFBD>B
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return -1;
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}
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else
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{
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//<2F><>,<2C><>,<2C><>(*,/,%)
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if ((optA >= OperatorType.MUL && optA <= OperatorType.MOD) &&
|
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(optB >= OperatorType.MUL && optB <= OperatorType.MOD))
|
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|
|
{
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|
return 0;
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|
}
|
|
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|
|
//<2F><>,<2C><>(+,-)
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if ((optA >= OperatorType.ADD && optA <= OperatorType.SUB) &&
|
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|
(optB >= OperatorType.ADD && optB <= OperatorType.SUB))
|
|
|
|
|
|
{
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|
|
return 0;
|
|
|
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|
|
}
|
|
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|
|
//С<><D0A1>,С<>ڻ<EFBFBD><DABB><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD>,<2C><><EFBFBD>ڻ<EFBFBD><DABB><EFBFBD><EFBFBD><EFBFBD>(<,<=,>,>=)
|
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|
|
if ((optA >= OperatorType.LT && optA <= OperatorType.GE) &&
|
|
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|
|
|
(optB >= OperatorType.LT && optB <= OperatorType.GE))
|
|
|
|
|
|
{
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
}
|
|
|
|
|
|
//<2F><><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(=,<>)
|
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|
|
if ((optA >= OperatorType.ET && optA <= OperatorType.UT) &&
|
|
|
|
|
|
(optB >= OperatorType.ET && optB <= OperatorType.UT))
|
|
|
|
|
|
{
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
}
|
|
|
|
|
|
//A<><41><EFBFBD>ȼ<EFBFBD><C8BC><EFBFBD><EFBFBD><EFBFBD>B
|
|
|
|
|
|
return 1;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// <20>ж϶<D0B6><CFB6><EFBFBD><EFBFBD>Ƿ<EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="value"><3E><><EFBFBD><EFBFBD>ֵ</param>
|
|
|
|
|
|
/// <returns><3E>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>,<2C>ؼ<F1B7B5BB></returns>
|
|
|
|
|
|
private bool IsNumber(object value)
|
|
|
|
|
|
{
|
|
|
|
|
|
decimal dec;
|
|
|
|
|
|
return decimal.TryParse(Convert.ToString(value), out dec);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// <20>ж϶<D0B6><CFB6><EFBFBD><EFBFBD>Ƿ<EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="value"><3E><><EFBFBD><EFBFBD>ֵ</param>
|
|
|
|
|
|
/// <returns><3E>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>,<2C>ؼ<F1B7B5BB></returns>
|
|
|
|
|
|
private bool IsDate(object value)
|
|
|
|
|
|
{
|
|
|
|
|
|
DateTime dt;
|
|
|
|
|
|
return DateTime.TryParse(Convert.ToString(value), out dt);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// <20>ж϶<D0B6><CFB6><EFBFBD><EFBFBD>Ƿ<EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="value"><3E><><EFBFBD><EFBFBD>ֵ</param>
|
|
|
|
|
|
/// <returns><3E>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>,<2C>ؼ<F1B7B5BB></returns>
|
|
|
|
|
|
private bool IsBoolean(object value)
|
|
|
|
|
|
{
|
|
|
|
|
|
bool b = false;
|
|
|
|
|
|
return Boolean.TryParse(Convert.ToString(value), out b);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// <20>ж϶<D0B6><CFB6><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD>ת<EFBFBD><D7AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="value"></param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
private bool IsCanConvertToNumber(object value)
|
|
|
|
|
|
{
|
|
|
|
|
|
return (IsNumber(value) || IsBoolean(value));
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><D7AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="value"></param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
private decimal ConvertToNumber(object value)
|
|
|
|
|
|
{
|
|
|
|
|
|
return Convert.ToDecimal(value);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><D7AA><EFBFBD>ɲ<EFBFBD><C9B2><EFBFBD><EFBFBD><EFBFBD>
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="value"></param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
private bool ConvertToBoolean(object value)
|
|
|
|
|
|
{
|
|
|
|
|
|
if (value is bool)
|
|
|
|
|
|
{
|
|
|
|
|
|
return (bool)value;
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
if (Convert.ToDecimal(value) != 0)
|
|
|
|
|
|
{
|
|
|
|
|
|
return true;
|
|
|
|
|
|
}
|
|
|
|
|
|
else
|
|
|
|
|
|
{
|
|
|
|
|
|
return false;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
