edu.stanford.nlp.ling.tokensregex

Class SequencePattern.PatternExpr

java.lang.Object

edu.stanford.nlp.ling.tokensregex.SequencePattern.PatternExpr

Direct Known Subclasses:

SequencePattern.AndPatternExpr, SequencePattern.BackRefPatternExpr, SequencePattern.GroupPatternExpr, SequencePattern.MultiNodePatternExpr, SequencePattern.NodePatternExpr, SequencePattern.OrPatternExpr, SequencePattern.RepeatPatternExpr, SequencePattern.SequencePatternExpr, SequencePattern.SpecialNodePatternExpr, SequencePattern.ValuePatternExpr

Enclosing class:

SequencePattern<T>

public abstract static class SequencePattern.PatternExpr
extends Object

Represents a sequence pattern expressions (before translating into NFA).

Constructor Summary

Constructors

Constructor and Description
PatternExpr()

Method Summary

Modifier and Type	Method and Description
protected abstract int	assignGroupIds(int start) Assigns group ids to groups embedded in this patterns starting with at the specified number, returns the next available group id.
protected abstract edu.stanford.nlp.ling.tokensregex.SequencePattern.Frag	build()
protected abstract SequencePattern.PatternExpr	copy() Make a deep copy of the sequence pattern expressions
protected SequencePattern.PatternExpr	optimize() Returns an optimized version of this pattern - default is a noop
protected abstract SequencePattern.PatternExpr	transform(NodePatternTransformer transformer)
protected abstract void	updateBindings(edu.stanford.nlp.ling.tokensregex.SequencePattern.VarGroupBindings bindings) Updates the binding of group to variable name
protected Object	value()

Methods inherited from class java.lang.Object

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

Constructor Detail

PatternExpr

public PatternExpr()

Method Detail

build

protected abstract edu.stanford.nlp.ling.tokensregex.SequencePattern.Frag build()

assignGroupIds

protected abstract int assignGroupIds(int start)

Assigns group ids to groups embedded in this patterns starting with at the specified number, returns the next available group id.

Parameters:

start - Group id to start with

Returns:

The next available group id

copy

protected abstract SequencePattern.PatternExpr copy()

Make a deep copy of the sequence pattern expressions

updateBindings

protected abstract void updateBindings(edu.stanford.nlp.ling.tokensregex.SequencePattern.VarGroupBindings bindings)

Updates the binding of group to variable name

Parameters:

bindings -

value

protected Object value()

optimize

protected SequencePattern.PatternExpr optimize()

Returns an optimized version of this pattern - default is a noop

transform

protected abstract SequencePattern.PatternExpr transform(NodePatternTransformer transformer)