com.centit.support.compiler

类 VariableFormula

java.lang.Object

com.centit.support.compiler.VariableFormula

public class VariableFormula
extends Object

构造器概要

构造器

构造器和说明
VariableFormula()

方法概要

限定符和类型	方法和说明
void	addExtendFunc(String funcName, Function<Object[],Object> extendFunc)
static Set<String>	attainFormulaVariable(String szExpress)
static Set<String>	attainFormulaVariable(String szExpress, Map<String,Function<Object[],Object>> extendFuncMap)
Object	calcFormula()
Object	calcFormula(String szExpress)
static List<Object>	calcMultiFormula(String szExpress, VariableTranslate varTrans, Map<String,Function<Object[],Object>> extendFuncMap)
static Object	calculate(String szExpress)
static Object	calculate(String szExpress, Object varMap)
static Object	calculate(String szExpress, VariableTranslate varTrans)
static Object	calculate(String szExpress, VariableTranslate varTrans, Map<String,Function<Object[],Object>> extendFuncMap)
int	checkFormula()
static int	checkFormula(String szExpress)
static int	getOptID(String sOptName)
static boolean	isKeyWord(String sWord)
boolean	seekToRightBracket()
void	setExtendFuncMap(Map<String,Function<Object[],Object>> extendFuncMap)
void	setFormula(String formula)
void	setTrans(VariableTranslate trans)
void	skipAOperand()
String	skipAWord() 暴露Lexer的 四个基础方法
void	writeBackAWord(String preWord)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

VariableFormula

public VariableFormula()

方法详细资料

getOptID

public static int getOptID(String sOptName)

isKeyWord

public static boolean isKeyWord(String sWord)

calculate

public static Object calculate(String szExpress)

calculate

public static Object calculate(String szExpress,
                               VariableTranslate varTrans,
                               Map<String,Function<Object[],Object>> extendFuncMap)

calculate

public static Object calculate(String szExpress,
                               VariableTranslate varTrans)

calculate

public static Object calculate(String szExpress,
                               Object varMap)

checkFormula

public static int checkFormula(String szExpress)

参数:

szExpress - 表达式

返回:

返回出错的位置，0 表示表达式格式检查通过

attainFormulaVariable

public static Set<String> attainFormulaVariable(String szExpress,
                                                Map<String,Function<Object[],Object>> extendFuncMap)

attainFormulaVariable

public static Set<String> attainFormulaVariable(String szExpress)

setTrans

public void setTrans(VariableTranslate trans)

setFormula

public void setFormula(String formula)

setExtendFuncMap

public void setExtendFuncMap(Map<String,Function<Object[],Object>> extendFuncMap)

addExtendFunc

public void addExtendFunc(String funcName,
                          Function<Object[],Object> extendFunc)

skipAWord

public String skipAWord()

暴露Lexer的 四个基础方法

返回:

当前单词

writeBackAWord

public void writeBackAWord(String preWord)

skipAOperand

public void skipAOperand()

seekToRightBracket

public boolean seekToRightBracket()

calcFormula

public Object calcFormula()

calcFormula

public Object calcFormula(String szExpress)

checkFormula

public int checkFormula()

返回:

返回出错的位置，0 表示表达式格式检查通过

calcMultiFormula

public static List<Object> calcMultiFormula(String szExpress,
                                            VariableTranslate varTrans,
                                            Map<String,Function<Object[],Object>> extendFuncMap)