Package groovy.console.ui.text

Class StructuredSyntaxDocumentFilter.LexerNode

java.lang.Object

groovy.console.ui.text.StructuredSyntaxDocumentFilter.LexerNode

Enclosing class:

StructuredSyntaxDocumentFilter

public final class StructuredSyntaxDocumentFilter.LexerNode
extends Object

Regex-driven lexer node that applies styles and nested lexers.

Method Summary

Modifier and Type	Method	Description
Style	getDefaultStyle()	Returns the fallback style for unmatched text.
boolean	isInitialized()
void	parse(CharBuffer buffer, int offset, int length)	Parses the supplied buffer and applies styles to matching ranges.
void	putChild(String[] regexps, StructuredSyntaxDocumentFilter.LexerNode node)	Registers a child lexer for matches of any supplied expression.
void	putChild(String regexp, StructuredSyntaxDocumentFilter.LexerNode node)	Registers a child lexer for matches of the supplied expression.
void	putStyle(String[] regexps, Style style)	Associates a style with matches of any supplied expression.
void	putStyle(String regexp, Style style)	Associates a style with matches of the supplied expression.
void	removeChild(String regexp)	Removes the child lexer registered for the supplied expression.
void	removeStyle(String regexp)	Removes the style associated with the supplied expression.
void	removeStyle(String[] regexps)	Removes the style associated with any of the supplied expressions.
void	setDefaultStyle(Style style)	Sets the fallback style for unmatched text.

Methods inherited from class java.lang.Object

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

Method Details

getDefaultStyle

public Style getDefaultStyle()

Returns the fallback style for unmatched text.

Returns:

the default style

isInitialized

public boolean isInitialized()

Returns:

true if initialised

parse

public void parse(CharBuffer buffer,
 int offset,
 int length)
           throws BadLocationException

Parses the supplied buffer and applies styles to matching ranges.

Parameters:

buffer - the character buffer to parse

offset - the starting offset

length - the number of characters to parse

Throws:

BadLocationException - if document positions cannot be resolved

putChild

public void putChild(String regexp,
 StructuredSyntaxDocumentFilter.LexerNode node)

Registers a child lexer for matches of the supplied expression.

Parameters:

regexp - the expression to match

node - the child lexer to apply within matching text

putChild

public void putChild(String[] regexps,
 StructuredSyntaxDocumentFilter.LexerNode node)

Registers a child lexer for matches of any supplied expression.

Parameters:

regexps - the expressions to match

node - the child lexer to apply within matching text

putStyle

public void putStyle(String regexp,
 Style style)

Associates a style with matches of the supplied expression.

Parameters:

regexp - the expression to match

style - the style to apply

putStyle

public void putStyle(String[] regexps,
 Style style)

Associates a style with matches of any supplied expression.

Parameters:

regexps - the expressions to match

style - the style to apply

removeChild

public void removeChild(String regexp)

Removes the child lexer registered for the supplied expression.

Parameters:

regexp - the expression whose child lexer should be removed

removeStyle

public void removeStyle(String regexp)

Removes the style associated with the supplied expression.

Parameters:

regexp - the expression whose style should be removed

removeStyle

public void removeStyle(String[] regexps)

Removes the style associated with any of the supplied expressions.

Parameters:

regexps - the expressions whose combined style should be removed

setDefaultStyle

public void setDefaultStyle(Style style)

Sets the fallback style for unmatched text.

Parameters:

style - the default style to use