Class Node
- java.lang.Object
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- com.google.auto.value.processor.escapevelocity.Node
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- Direct Known Subclasses:
DirectiveNode
,ExpressionNode
,Node.Cons
,TokenNode
abstract class Node extends java.lang.Object
A node in the parse tree.
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Nested Class Summary
Nested Classes Modifier and Type Class Description private static class
Node.Cons
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Field Summary
Fields Modifier and Type Field Description (package private) int
lineNumber
(package private) java.lang.String
resourceName
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Constructor Summary
Constructors Constructor Description Node(java.lang.String resourceName, int lineNumber)
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Method Summary
All Methods Static Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description (package private) static Node
cons(java.lang.String resourceName, int lineNumber, com.google.common.collect.ImmutableList<Node> nodes)
Create a new parse tree node that is the concatenation of the given ones.(package private) static Node
emptyNode(java.lang.String resourceName, int lineNumber)
Returns an empty node in the parse tree.(package private) abstract java.lang.Object
evaluate(EvaluationContext context)
Returns the result of evaluating this node in the given context.(package private) EvaluationException
evaluationException(java.lang.String message)
(package private) EvaluationException
evaluationException(java.lang.Throwable cause)
private java.lang.String
where()
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Method Detail
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evaluate
abstract java.lang.Object evaluate(EvaluationContext context)
Returns the result of evaluating this node in the given context. This result may be used as part of a further operation, for example evaluating2 + 3
to 5 in order to set$x
to 5 in#set ($x = 2 + 3)
. Or it may be used directly as part of the template output, for example evaluating replacingname
byFred
inMy name is $name.
.
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where
private java.lang.String where()
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evaluationException
EvaluationException evaluationException(java.lang.String message)
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evaluationException
EvaluationException evaluationException(java.lang.Throwable cause)
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emptyNode
static Node emptyNode(java.lang.String resourceName, int lineNumber)
Returns an empty node in the parse tree. This is used for example to represent the trivial "else" part of an#if
that does not have an explicit#else
.
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cons
static Node cons(java.lang.String resourceName, int lineNumber, com.google.common.collect.ImmutableList<Node> nodes)
Create a new parse tree node that is the concatenation of the given ones. Evaluating the new node produces the same string as evaluating each of the given nodes and concatenating the result.
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