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groovy.ui.text
[Java] Class StructuredSyntaxDocumentFilter

java.lang.Object
  javax.swing.text.DocumentFilter
      groovy.ui.text.StructuredSyntaxDocumentFilter

public class StructuredSyntaxDocumentFilter
extends DocumentFilter

Authors:
Evan "Hippy" Slatis

Nested Class Summary
class StructuredSyntaxDocumentFilter.LexerNode

protected class StructuredSyntaxDocumentFilter.MultiLineRun

 
Field Summary
static String TAB_REPLACEMENT

protected StructuredSyntaxDocumentFilter.LexerNode lexer

The root of the lexical parsing tree.
protected SortedSet mlTextRunSet

The position tree of multi-line comments.
protected DefaultStyledDocument styledDocument

 
Constructor Summary
StructuredSyntaxDocumentFilter(DefaultStyledDocument document)

Creates a new instance of StructuredSyntaxDocumentFilter
 
Method Summary
StructuredSyntaxDocumentFilter.LexerNode createLexerNode()

Create a new LexerNode for adding to root.
StructuredSyntaxDocumentFilter.LexerNode getRootNode()

Get the root node for lexing the document.

void insertString(DocumentFilter.FilterBypass fb, int offset, String text, AttributeSet attrs)

protected void parseDocument(int offset, int length)

Parse the Document to update the character styles given an initial start position.

void remove(DocumentFilter.FilterBypass fb, int offset, int length)

Remove a string from the document, and then parse it if the parser has been set.
void replace(DocumentFilter.FilterBypass fb, int offset, int length, String text, AttributeSet attrs)

Replace a string in the document, and then parse it if the parser has been set.
 
Methods inherited from class DocumentFilter
insertString, remove, replace, wait, wait, wait, equals, toString, hashCode, getClass, notify, notifyAll
 
Methods inherited from class Object
wait, wait, wait, equals, toString, hashCode, getClass, notify, notifyAll
 

Field Detail

TAB_REPLACEMENT

public static final String TAB_REPLACEMENT

lexer

protected StructuredSyntaxDocumentFilter.LexerNode lexer
The root of the lexical parsing tree.

mlTextRunSet

protected SortedSet mlTextRunSet
The position tree of multi-line comments.

styledDocument

protected DefaultStyledDocument styledDocument

 
Constructor Detail

StructuredSyntaxDocumentFilter

public StructuredSyntaxDocumentFilter(DefaultStyledDocument document)
Creates a new instance of StructuredSyntaxDocumentFilter
Parameters:
document - the styled document to parse

 
Method Detail

createLexerNode

public StructuredSyntaxDocumentFilter.LexerNode createLexerNode()
Create a new LexerNode for adding to root.
Returns:
a new LexerNode

getRootNode

public StructuredSyntaxDocumentFilter.LexerNode getRootNode()
Get the root node for lexing the document. Children can be added such that matching patterns can be further parsed if required.
Returns:
the root lexing node.

insertString

public void insertString(DocumentFilter.FilterBypass fb, int offset, String text, AttributeSet attrs)

parseDocument

protected void parseDocument(int offset, int length)
Parse the Document to update the character styles given an initial start position. Called by the filter after it has updated the text.
throws:
BadLocationException
Parameters:
offset
length

remove

public void remove(DocumentFilter.FilterBypass fb, int offset, int length)
Remove a string from the document, and then parse it if the parser has been set.
throws:
BadLocationException
Parameters:
fb
offset
length

replace

public void replace(DocumentFilter.FilterBypass fb, int offset, int length, String text, AttributeSet attrs)
Replace a string in the document, and then parse it if the parser has been set.
throws:
BadLocationException
Parameters:
fb
offset
length
text
attrs

 

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