Class DefaultDamagerRepairer2
java.lang.Object
org.eclipse.epsilon.common.dt.editor.DefaultDamagerRepairer2
- All Implemented Interfaces:
org.eclipse.jface.text.presentation.IPresentationDamager
,org.eclipse.jface.text.presentation.IPresentationRepairer
public class DefaultDamagerRepairer2
extends Object
implements org.eclipse.jface.text.presentation.IPresentationDamager, org.eclipse.jface.text.presentation.IPresentationRepairer
A standard implementation of a syntax driven presentation damager
and presentation repairer. It uses a token scanner to scan
the document and to determine its damage and new text presentation.
The tokens returned by the scanner are supposed to return text attributes
as their data.
- Since:
- 2.0
- See Also:
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ITokenScanner
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Field Summary
FieldsModifier and TypeFieldDescriptionorg.eclipse.jface.text.TextAttribute
The default text attribute if non is returned as data by the current tokenprotected org.eclipse.jface.text.IDocument
The document this object works onprotected org.eclipse.jface.text.rules.ITokenScanner
The scanner it uses -
Constructor Summary
ConstructorsConstructorDescriptionDefaultDamagerRepairer2
(org.eclipse.jface.text.rules.ITokenScanner scanner) Creates a damager/repairer that uses the given scanner.DefaultDamagerRepairer2
(org.eclipse.jface.text.rules.ITokenScanner scanner, org.eclipse.jface.text.TextAttribute defaultTextAttribute) Deprecated.use DefaultDamagerRepairer(ITokenScanner) instead -
Method Summary
Modifier and TypeMethodDescriptionprotected void
addRange
(org.eclipse.jface.text.TextPresentation presentation, int offset, int length, org.eclipse.jface.text.TextAttribute attr) Adds style information to the given text presentation.void
createPresentation
(org.eclipse.jface.text.TextPresentation presentation, org.eclipse.jface.text.ITypedRegion region) protected int
endOfLineOf
(int offset) Returns the end offset of the line that contains the specified offset or if the offset is inside a line delimiter, the end offset of the next line.org.eclipse.jface.text.IRegion
getDamageRegion
(org.eclipse.jface.text.ITypedRegion partition, org.eclipse.jface.text.DocumentEvent e, boolean documentPartitioningChanged) protected org.eclipse.jface.text.TextAttribute
getTokenTextAttribute
(org.eclipse.jface.text.rules.IToken token) Returns a text attribute encoded in the given token.void
setDocument
(org.eclipse.jface.text.IDocument document)
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Field Details
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fDocument
protected org.eclipse.jface.text.IDocument fDocumentThe document this object works on -
fScanner
protected org.eclipse.jface.text.rules.ITokenScanner fScannerThe scanner it uses -
fDefaultTextAttribute
public org.eclipse.jface.text.TextAttribute fDefaultTextAttributeThe default text attribute if non is returned as data by the current token
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Constructor Details
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DefaultDamagerRepairer2
@Deprecated public DefaultDamagerRepairer2(org.eclipse.jface.text.rules.ITokenScanner scanner, org.eclipse.jface.text.TextAttribute defaultTextAttribute) Deprecated.use DefaultDamagerRepairer(ITokenScanner) insteadCreates a damager/repairer that uses the given scanner and returns the given default text attribute if the current token does not carry a text attribute.- Parameters:
scanner
- the token scanner to be useddefaultTextAttribute
- the text attribute to be returned if non is specified by the current token, may not benull
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DefaultDamagerRepairer2
public DefaultDamagerRepairer2(org.eclipse.jface.text.rules.ITokenScanner scanner) Creates a damager/repairer that uses the given scanner. The scanner may not benull
and is assumed to return only token that carry text attributes.- Parameters:
scanner
- the token scanner to be used, may not benull
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Method Details
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setDocument
public void setDocument(org.eclipse.jface.text.IDocument document) - Specified by:
setDocument
in interfaceorg.eclipse.jface.text.presentation.IPresentationDamager
- Specified by:
setDocument
in interfaceorg.eclipse.jface.text.presentation.IPresentationRepairer
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endOfLineOf
protected int endOfLineOf(int offset) throws org.eclipse.jface.text.BadLocationException Returns the end offset of the line that contains the specified offset or if the offset is inside a line delimiter, the end offset of the next line.- Parameters:
offset
- the offset whose line end offset must be computed- Returns:
- the line end offset for the given offset
- Throws:
org.eclipse.jface.text.BadLocationException
- if offset is invalid in the current document
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getDamageRegion
public org.eclipse.jface.text.IRegion getDamageRegion(org.eclipse.jface.text.ITypedRegion partition, org.eclipse.jface.text.DocumentEvent e, boolean documentPartitioningChanged) - Specified by:
getDamageRegion
in interfaceorg.eclipse.jface.text.presentation.IPresentationDamager
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createPresentation
public void createPresentation(org.eclipse.jface.text.TextPresentation presentation, org.eclipse.jface.text.ITypedRegion region) - Specified by:
createPresentation
in interfaceorg.eclipse.jface.text.presentation.IPresentationRepairer
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getTokenTextAttribute
protected org.eclipse.jface.text.TextAttribute getTokenTextAttribute(org.eclipse.jface.text.rules.IToken token) Returns a text attribute encoded in the given token. If the token's data is notnull
and a text attribute it is assumed that it is the encoded text attribute. It returns the default text attribute if there is no encoded text attribute found.- Parameters:
token
- the token whose text attribute is to be determined- Returns:
- the token's text attribute
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addRange
protected void addRange(org.eclipse.jface.text.TextPresentation presentation, int offset, int length, org.eclipse.jface.text.TextAttribute attr) Adds style information to the given text presentation.- Parameters:
presentation
- the text presentation to be extendedoffset
- the offset of the range to be styledlength
- the length of the range to be styledattr
- the attribute describing the style of the range to be styled
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