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java.lang.Objectcom.caucho.xpath.Expr
com.caucho.xpath.expr.StringExpr
public class StringExpr
Implements the builtin XPath string expressions.
Field Summary |
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Fields inherited from class com.caucho.xpath.Expr |
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ADD, AND, ATTRIBUTE, BASE_URI, BOOLEAN, BOOLEAN_EQ, BOOLEAN_NEQ, CEILING, CONCAT, CONST, CONTAINS, COUNT, DIV, ELEMENT, EQ, FALSE, FLOOR, FORMAT_NUMBER, FUNCTION_AVAILABLE, GE, GENERATE_ID, GT, ID, IF, LANG, LAST, LAST_FUN, LE, LOCAL_PART, LT, MOD, MUL, NAMESPACE, NEG, NEQ, NODE_SET, NORMALIZE, NOT, NUMBER, NUMBER_EQ, NUMBER_GE, NUMBER_GT, NUMBER_LE, NUMBER_LT, NUMBER_NEQ, OR, POSITION, QNAME, QUO, ROUND, SELF, SELF_NAME, STARTS_WITH, STRING, STRING_EQ, STRING_LENGTH, STRING_NEQ, SUB, SUBSTRING, SUBSTRING_AFTER, SUBSTRING_BEFORE, SUM, SYSTEM_PROPERTY, TRANSLATE, TRUE |
Constructor Summary | |
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StringExpr(int code,
java.util.ArrayList args)
Creates a string expression from a list of arguments. |
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StringExpr(int code,
Expr expr)
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StringExpr(int code,
Expr left,
Expr right)
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StringExpr(int code,
Expr left,
Expr right,
Expr third)
Create a StringExpression with three arguments. |
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StringExpr(java.lang.String value)
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Method Summary | |
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boolean |
evalBoolean(org.w3c.dom.Node node,
ExprEnvironment env)
Evaluate the expression as a boolean, i.e. |
double |
evalNumber(org.w3c.dom.Node node,
ExprEnvironment env)
Evaluate the expression as a double, i.e. |
java.lang.Object |
evalObject(org.w3c.dom.Node node,
ExprEnvironment env)
Evaluate the expression as an object, i.e. |
java.lang.String |
evalString(org.w3c.dom.Node node,
ExprEnvironment env)
Evaluates the expression as an string. |
java.lang.String |
getValue()
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boolean |
isString()
The StringExpr returns a string value. |
java.lang.String |
toString()
Return the expression as a string. |
Methods inherited from class com.caucho.xpath.Expr |
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addParam, addVar, evalBoolean, evalNodeSet, evalNodeSet, evalNumber, evalObject, evalString, evalString, evalString, evalVar, getListContext, isBoolean, isNodeSet, isNumber, setListContext, setVar, stringToNumber, toBoolean, toDouble, toNode, toNodeList, toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public StringExpr(int code, Expr left, Expr right, Expr third)
code
- the Expr code of the expression.left
- the first argument.right
- the second argument.third
- the third argument.public StringExpr(int code, Expr left, Expr right)
public StringExpr(int code, Expr expr)
public StringExpr(java.lang.String value)
public StringExpr(int code, java.util.ArrayList args)
code
- Expr code for the function.args
- array list of the arguments.Method Detail |
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public boolean isString()
isString
in class Expr
public java.lang.String getValue()
public java.lang.String evalString(org.w3c.dom.Node node, ExprEnvironment env) throws XPathException
evalString
in class Expr
node
- the current nodeenv
- the variable environment.
XPathException
public boolean evalBoolean(org.w3c.dom.Node node, ExprEnvironment env) throws XPathException
evalBoolean
in class Expr
node
- the current nodeenv
- the variable environment.
XPathException
public double evalNumber(org.w3c.dom.Node node, ExprEnvironment env) throws XPathException
evalNumber
in class Expr
node
- the current nodeenv
- the variable environment.
XPathException
public java.lang.Object evalObject(org.w3c.dom.Node node, ExprEnvironment env) throws XPathException
evalObject
in class Expr
node
- the current nodeenv
- the variable environment.
XPathException
public java.lang.String toString()
toString
in class java.lang.Object
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