javax.swing.text.Segment Java Examples
The following examples show how to use
javax.swing.text.Segment.
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Example #1
Source File: WrapEditorKit.java From PacketProxy with Apache License 2.0 | 6 votes |
@Override public void write(Writer out, Document doc, int pos, int len) throws IOException, BadLocationException { if ((pos < 0) || ((pos + len) > doc.getLength())) { throw new BadLocationException("DefaultEditorKit.write", pos); } Segment data = new Segment(); int nleft = len; int offs = pos; while (nleft > 0) { int n = Math.min(nleft, 4096); doc.getText(offs, n, data); out.write(data.array, data.offset, data.count); offs += n; nleft -= n; } }
Example #2
Source File: SyntaxDocument.java From jpexs-decompiler with GNU General Public License v3.0 | 6 votes |
/** * Parse the entire document and return list of tokens that do not already * exist in the tokens list. There may be overlaps, and replacements, which * we will cleanup later. * * @return list of tokens that do not exist in the tokens field */ private void parse() { // if we have no lexer, then we must have no tokens... if (lexer == null) { tokens = null; return; } int len = getLength(); List<Token> toks = new ArrayList<Token>(len / 10); long ts = System.nanoTime(); try { Segment seg = new Segment(); getText(0, len, seg); lexer.parse(seg, 0, toks); } catch (BadLocationException ex) { log.log(Level.SEVERE, null, ex); } finally { if (log.isLoggable(Level.FINEST)) { log.finest(String.format("Parsed %d in %d ms, giving %d tokens\n", len, (System.nanoTime() - ts) / 1000000, toks.size())); } tokens = toks; } }
Example #3
Source File: ThreadDumpWindow.java From visualvm with GNU General Public License v2.0 | 6 votes |
@Override public void getText(int offset, int length, Segment txt) throws BadLocationException { if (lastOffset == offset && lastLength == length) { txt.array = segArray; txt.offset = segOffset; txt.count = segCount; txt.setPartialReturn(segPartialReturn); return; } super.getText(offset, length, txt); if (length > CACHE_BOUNDARY || lastLength <= CACHE_BOUNDARY) { segArray = txt.array; segOffset = txt.offset; segCount = txt.count; segPartialReturn = txt.isPartialReturn(); lastOffset = offset; lastLength = length; } }
Example #4
Source File: ThreadDumpView.java From visualvm with GNU General Public License v2.0 | 6 votes |
@Override public void getText(int offset, int length, Segment txt) throws BadLocationException { if (lastOffset == offset && lastLength == length) { txt.array = segArray; txt.offset = segOffset; txt.count = segCount; txt.setPartialReturn(segPartialReturn); return; } super.getText(offset, length, txt); if (length > CACHE_BOUNDARY || lastLength <= CACHE_BOUNDARY) { segArray = txt.array; segOffset = txt.offset; segCount = txt.count; segPartialReturn = txt.isPartialReturn(); lastOffset = offset; lastLength = length; } }
Example #5
Source File: SyntaxDocument.java From visualvm with GNU General Public License v2.0 | 6 votes |
/** * Find the next position that matches <code>pattern</code> in the document. * returns -1 if the pattern is not found. * @param pattern the regex pattern to find * @param start The beginning index of search * @return * @deprecated use {@link getMatcher} instead */ @Deprecated public int getIndexOf(Pattern pattern, int start) { int ndx = -1; if (pattern == null || getLength() == 0) { return -1; } try { Segment segment = new Segment(); getText(start, getLength() - start, segment); Matcher m = pattern.matcher(segment); if (m.find()) { // remember that the index is relative to the document, so // always add the start position to it ndx = m.start() + start; } } catch (BadLocationException ex) { log.log(Level.SEVERE, null, ex); } return ndx; }
Example #6
Source File: OverviewControllerUI.java From visualvm with GNU General Public License v2.0 | 6 votes |
@Override public void getText(int offset, int length, Segment txt) throws BadLocationException { if (lastOffset == offset && lastLength == length) { txt.array = segArray; txt.offset = segOffset; txt.count = segCount; txt.setPartialReturn(segPartialReturn); return; } super.getText(offset, length, txt); if (length > CACHE_BOUNDARY || lastLength <= CACHE_BOUNDARY) { segArray = txt.array; segOffset = txt.offset; segCount = txt.count; segPartialReturn = txt.isPartialReturn(); lastOffset = offset; lastLength = length; } }
Example #7
Source File: HTMLTextComponent.java From visualvm with GNU General Public License v2.0 | 6 votes |
public void getText(int offset, int length, Segment txt) throws BadLocationException { if (lastOffset == offset && lastLength == length) { txt.array = segArray; txt.offset = segOffset; txt.count = segCount; txt.setPartialReturn(segPartialReturn); return; } super.getText(offset, length, txt); if (length > CACHE_BOUNDARY || lastLength <= CACHE_BOUNDARY) { segArray = txt.array; segOffset = txt.offset; segCount = txt.count; segPartialReturn = txt.isPartialReturn(); lastOffset = offset; lastLength = length; } }
Example #8
Source File: SyntaxStyle.java From visualvm with GNU General Public License v2.0 | 6 votes |
/** * Draw text. This can directly call the Utilities.drawTabbedText. * Sub-classes can override this method to provide any other decorations. * @param segment - the source of the text * @param x - the X origin >= 0 * @param y - the Y origin >= 0 * @param graphics - the graphics context * @param e - how to expand the tabs. If this value is null, tabs will be * expanded as a space character. * @param startOffset - starting offset of the text in the document >= 0 * @return */ public int drawText(Segment segment, int x, int y, Graphics graphics, TabExpander e, int startOffset) { graphics.setFont(graphics.getFont().deriveFont(getFontStyle())); FontMetrics fontMetrics = graphics.getFontMetrics(); int a = fontMetrics.getAscent(); int h = a + fontMetrics.getDescent(); int w = Utilities.getTabbedTextWidth(segment, fontMetrics, 0, e, startOffset); int rX = x - 1; int rY = y - a; int rW = w + 2; int rH = h; if ((getFontStyle() & 0x10) != 0) { graphics.setColor(Color.decode("#EEEEEE")); graphics.fillRect(rX, rY, rW, rH); } graphics.setColor(getColor()); x = Utilities.drawTabbedText(segment, x, y, graphics, e, startOffset); if ((getFontStyle() & 0x8) != 0) { graphics.setColor(Color.RED); graphics.drawRect(rX, rY, rW, rH); } return x; }
Example #9
Source File: SyntaxDocument.java From jpexs-decompiler with GNU General Public License v3.0 | 6 votes |
/** * Return a matcher that matches the given pattern in the part of the * document starting at offset start and ending at start + length. Note that * the matcher will have offset starting from <code>start</code> * * @param pattern * @param start * @param length * @return matcher that <b>MUST</b> be offset by start to get the proper * location within the document */ public Matcher getMatcher(Pattern pattern, int start, int length) { Matcher matcher = null; if (getLength() == 0) { return null; } if (start >= getLength()) { return null; } try { if (start < 0) { start = 0; } if (start + length > getLength()) { length = getLength() - start; } Segment seg = new Segment(); getText(start, length, seg); matcher = pattern.matcher(seg); } catch (BadLocationException ex) { log.log(Level.SEVERE, "Requested offset: " + ex.offsetRequested(), ex); } return matcher; }
Example #10
Source File: SerpentTokenMaker.java From ethereumj with MIT License | 6 votes |
/** * Checks the token to give it the exact ID it deserves before * being passed up to the super method. * * @param segment <code>Segment</code> to get text from. * @param start Start offset in <code>segment</code> of token. * @param end End offset in <code>segment</code> of token. * @param tokenType The token's type. * @param startOffset The offset in the document at which the token occurs. */ @Override public void addToken(Segment segment, int start, int end, int tokenType, int startOffset) { switch (tokenType) { // Since reserved words, functions, and data types are all passed // into here as "identifiers," we have to see what the token // really is... case Token.IDENTIFIER: int value = wordsToHighlight.get(segment, start,end); if (value!=-1) tokenType = value; break; case Token.ANNOTATION: value = wordsToHighlight.get(segment, start,end); if (value!=-1) tokenType = value; break; } super.addToken(segment, start, end, tokenType, startOffset); }
Example #11
Source File: RLangKeywordMap.java From Processing.R with GNU General Public License v3.0 | 6 votes |
/** * Looks up a key. * * @param text The text segment * @param offset The offset of the substring within the text segment * @param length The length of the substring */ public byte lookup(final Segment text, final int offset, final int length) { if (length == 0) { return Token.NULL; } Keyword k = map[getSegmentMapKey(text, offset, length)]; while (k != null) { if (length != k.keyword.length) { k = k.next; continue; } if (SyntaxUtilities.regionMatches(text, offset, k.keyword)) { return k.id; } k = k.next; } return Token.NULL; }
Example #12
Source File: ThreadDumpWindow.java From netbeans with Apache License 2.0 | 6 votes |
@Override public void getText(int offset, int length, Segment txt) throws BadLocationException { if (lastOffset == offset && lastLength == length) { txt.array = segArray; txt.offset = segOffset; txt.count = segCount; txt.setPartialReturn(segPartialReturn); return; } super.getText(offset, length, txt); if (length > CACHE_BOUNDARY || lastLength <= CACHE_BOUNDARY) { segArray = txt.array; segOffset = txt.offset; segCount = txt.count; segPartialReturn = txt.isPartialReturn(); lastOffset = offset; lastLength = length; } }
Example #13
Source File: ConsoleTextArea.java From astor with GNU General Public License v2.0 | 6 votes |
synchronized void returnPressed() { Document doc = getDocument(); int len = doc.getLength(); Segment segment = new Segment(); try { doc.getText(outputMark, len - outputMark, segment); } catch(javax.swing.text.BadLocationException ignored) { ignored.printStackTrace(); } if(segment.count > 0) { history.add(segment.toString()); } historyIndex = history.size(); inPipe.write(segment.array, segment.offset, segment.count); append("\n"); outputMark = doc.getLength(); inPipe.write("\n"); inPipe.flush(); console1.flush(); }
Example #14
Source File: UniTools.java From jpexs-decompiler with GNU General Public License v3.0 | 6 votes |
public static int getTabbedTextOffset(Segment segment, FontMetrics metrics, int tabBase,int x,TabExpander e, int startOffset){ List<Segment> segments=new ArrayList<Segment>(); List<Boolean> unis=new ArrayList<Boolean>(); Font origFont=metrics.getFont(); getSegments(origFont, segment, segments, unis); Graphics g=new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB).getGraphics(); Font uniFont = defaultUniFont.deriveFont(origFont.getStyle(),origFont.getSize2D()); int ofs=0; int totalto = 0; for(int i=0;i<segments.size();i++){ Segment seg=segments.get(i); FontMetrics fm=unis.get(i)?g.getFontMetrics(uniFont):metrics; int to = Utilities.getTabbedTextOffset(seg, fm, tabBase+ofs,x, e, startOffset); totalto += to; ofs+=fm.stringWidth(seg.toString()); if(to<seg.length()){ break; } } return totalto; }
Example #15
Source File: KeywordMap.java From rapidminer-studio with GNU Affero General Public License v3.0 | 6 votes |
/** * Looks up a key. * * @param text * The text segment * @param offset * The offset of the substring within the text segment * @param length * The length of the substring */ public byte lookup(Segment text, int offset, int length) { if (length == 0) { return Token.NULL; } Keyword k = map[getSegmentMapKey(text, offset, length)]; while (k != null) { if (length != k.keyword.length) { k = k.next; continue; } if (SyntaxUtilities.regionMatches(ignoreCase, text, offset, k.keyword)) { return k.id; } k = k.next; } return Token.NULL; }
Example #16
Source File: UniTools.java From jpexs-decompiler with GNU General Public License v3.0 | 6 votes |
public static int drawTabbedText(Segment segment, int x, int y, Graphics g, TabExpander e, int startOffset){ List<Segment> segments=new ArrayList<Segment>(); List<Boolean> unis=new ArrayList<Boolean>(); getSegments(g.getFont(), segment, segments, unis); Font origFont=g.getFont(); Font uniFont = defaultUniFont.deriveFont(origFont.getStyle(),origFont.getSize2D()); int ret=x; int pos=0; for(int i=0;i<segments.size();i++){ Segment seg=segments.get(i); if(unis.get(i)){ g.setFont(uniFont); }else{ g.setFont(origFont); } ret = Utilities.drawTabbedText(seg, ret, y, g, e, startOffset+pos); pos += seg.length(); } g.setFont(origFont); return ret; }
Example #17
Source File: KStreamsTopologyTokenMaker.java From netbeans-mmd-plugin with Apache License 2.0 | 6 votes |
/** * Returns the first token in the linked list of tokens generated * from <code>text</code>. This method must be implemented by * subclasses so they can correctly implement syntax highlighting. * * @param text The text from which to get tokens. * @param initialTokenType The token type we should start with. * @param startOffset The offset into the document at which * <code>text</code> starts. * @return The first <code>Token</code> in a linked list representing * the syntax highlighted text. */ public Token getTokenList(Segment text, int initialTokenType, int startOffset) { resetTokenList(); this.offsetShift = -text.offset + startOffset; // Start off in the proper state. int state = Token.NULL; switch (initialTokenType) { /* No multi-line comments */ /* No documentation comments */ default: state = Token.NULL; } s = text; try { yyreset(zzReader); yybegin(state); return yylex(); } catch (IOException ioe) { ioe.printStackTrace(); return new TokenImpl(); } }
Example #18
Source File: BDDTokenMaker.java From Cognizant-Intelligent-Test-Scripter with Apache License 2.0 | 6 votes |
/** * Returns the first token in the linked list of tokens generated * from <code>text</code>. This method must be implemented by * subclasses so they can correctly implement syntax highlighting. * * @param text The text from which to get tokens. * @param initialTokenType The token type we should start with. * @param startOffset The offset into the document at which * <code>text</code> starts. * @return The first <code>Token</code> in a linked list representing * the syntax highlighted text. */ public Token getTokenList(Segment text, int initialTokenType, int startOffset) { resetTokenList(); this.offsetShift = -text.offset + startOffset; // Start off in the proper state. s = text; try { yyreset(zzReader); yybegin(YYINITIAL); return yylex(); } catch (IOException ioe) { ioe.printStackTrace(); return new TokenImpl(); } }
Example #19
Source File: SyntaxUtilities.java From rapidminer-studio with GNU Affero General Public License v3.0 | 6 votes |
/** * Checks if a subregion of a <code>Segment</code> is equal to a string. * * @param ignoreCase * True if case should be ignored, false otherwise * @param text * The segment * @param offset * The offset into the segment * @param match * The string to match */ public static boolean regionMatches(boolean ignoreCase, Segment text, int offset, String match) { int length = offset + match.length(); char[] textArray = text.array; if (length > text.offset + text.count) { return false; } for (int i = offset, j = 0; i < length; i++, j++) { char c1 = textArray[i]; char c2 = match.charAt(j); if (ignoreCase) { c1 = Character.toUpperCase(c1); c2 = Character.toUpperCase(c2); } if (c1 != c2) { return false; } } return true; }
Example #20
Source File: DocumentUtilities.java From netbeans with Apache License 2.0 | 6 votes |
/** * Copy portion of the document into target character array. * * @param srcDoc document from which to copy. * @param srcStartOffset offset of the first character to copy. * @param srcEndOffset offset that follows the last character to copy. * @param dst destination character array into which the data will be copied. * @param dstOffset offset in the destination array at which the putting * of the characters starts. * * @throws javax.swing.text.BadLocationException */ public static void copyText(Document srcDoc, int srcStartOffset, int srcEndOffset, char[] dst, int dstOffset) throws BadLocationException { Segment text = new Segment(); int gapStart = getGapStart(srcDoc); if (gapStart != -1 && srcStartOffset < gapStart && gapStart < srcEndOffset) { // Get part below gap srcDoc.getText(srcStartOffset, gapStart - srcStartOffset, text); System.arraycopy(text.array, text.offset, dst, dstOffset, text.count); dstOffset += text.count; srcStartOffset = gapStart; } srcDoc.getText(srcStartOffset, srcEndOffset - srcStartOffset, text); System.arraycopy(text.array, text.offset, dst, dstOffset, srcEndOffset - srcStartOffset); }
Example #21
Source File: SyntaxUtilities.java From Processing.R with GNU General Public License v3.0 | 5 votes |
/** * Checks if a subregion of a <code>Segment</code> is equal to a character array. * * @param text The segment * @param offset The offset into the segment * @param match The character array to match */ public static boolean regionMatches(final Segment text, final int offset, final char[] match) { final int length = offset + match.length; final char[] textArray = text.array; if (length > text.offset + text.count) { return false; } for (int i = offset, j = 0; i < length; i++, j++) { if (textArray[i] != match[j]) { return false; } } return true; }
Example #22
Source File: LineMarkedEditorPane.java From jpexs-decompiler with GNU General Public License v3.0 | 5 votes |
@Override public void paint(Graphics g, int offs0, int offs1, Shape bounds, JTextComponent c) { try { // --- determine locations --- TextUI mapper = c.getUI(); Segment seg = new Segment(); ((SyntaxDocument) c.getDocument()).getText(offs0, offs1 - offs0, seg); Rectangle r = mapper.modelToView(c, offs0, Position.Bias.Forward); FontMetrics fm = g.getFontMetrics(); //int fh = fm.getHeight(); fgStyle.drawText(seg, r.x, r.y + fm.getAscent(), g, null, offs0); /*for (int i = offs0; i < offs1; i++) { Rectangle r = mapper.modelToView(c, i, Position.Bias.Forward); Rectangle r1 = mapper.modelToView(c, i + 1, Position.Bias.Forward); if (r1.y == r.y) { ((SyntaxDocument) c.getDocument()).getText(i, 1, seg); fgStyle.drawText(seg, r.x, r.y, g, null, i); //g.drawLine(r.x, r.y + r.height - 3, r1.x, r.y + r.height - 3); } }*/ } catch (BadLocationException e) { // can't render } }
Example #23
Source File: PHPTokenMarker.java From rapidminer-studio with GNU Affero General Public License v3.0 | 5 votes |
private boolean doKeyword(Segment line, int i, char c) { int i1 = i + 1; int len = i - lastKeyword; byte id = keywords.lookup(line, lastKeyword, len); if (id != Token.NULL) { if (lastKeyword != lastOffset) { addToken(lastKeyword - lastOffset, Token.KEYWORD3); } addToken(len, id); lastOffset = i; } lastKeyword = i1; return false; }
Example #24
Source File: ImageView.java From Bytecoder with Apache License 2.0 | 5 votes |
public Segment getText(int p0, int p1) { if (p0 < 0 || p1 > segment.array.length) { throw new RuntimeException("ImageLabelView: Stale view"); } segment.offset = p0; segment.count = p1 - p0; return segment; }
Example #25
Source File: DocumentCharacterIterator.java From spotbugs with GNU Lesser General Public License v2.1 | 5 votes |
DocumentCharacterIterator(Document doc) { this.doc = doc; text = new Segment(); text.setPartialReturn(true); try { doc.getText(0, doc.getLength(), text); } catch (BadLocationException e) { throw new RuntimeException(e); } segmentEnd = text.count; }
Example #26
Source File: PerlTokenMarker.java From rapidminer-studio with GNU Affero General Public License v3.0 | 5 votes |
private boolean doKeyword(Segment line, int i, char c) { int i1 = i + 1; if (token == S_END) { addToken(i - lastOffset, Token.LITERAL2); token = Token.NULL; lastOffset = i; lastKeyword = i1; return false; } int len = i - lastKeyword; byte id = keywords.lookup(line, lastKeyword, len); if (id == S_ONE || id == S_TWO) { if (lastKeyword != lastOffset) { addToken(lastKeyword - lastOffset, Token.NULL); } addToken(len, Token.LITERAL2); lastOffset = i; lastKeyword = i1; if (Character.isWhitespace(c)) { matchChar = '\0'; } else { matchChar = c; } matchSpacesAllowed = true; token = id; return true; } else if (id != Token.NULL) { if (lastKeyword != lastOffset) { addToken(lastKeyword - lastOffset, Token.NULL); } addToken(len, id); lastOffset = i; } lastKeyword = i1; return false; }
Example #27
Source File: TextAreaPainter.java From rapidminer-studio with GNU Affero General Public License v3.0 | 5 votes |
/** * Creates a new repaint manager. This should be not be called directly. */ public TextAreaPainter(JEditTextArea textArea, TextAreaDefaults defaults) { this.textArea = textArea; setAutoscrolls(true); setDoubleBuffered(true); setOpaque(true); ToolTipManager.sharedInstance().registerComponent(this); currentLine = new Segment(); currentLineIndex = -1; setCursor(Cursor.getPredefinedCursor(Cursor.TEXT_CURSOR)); setFont(FontTools.getFont(Font.MONOSPACED, Font.PLAIN, 14)); setForeground(Color.black); setBackground(Color.white); blockCaret = defaults.blockCaret; styles = defaults.styles; cols = defaults.cols; rows = defaults.rows; caretColor = defaults.caretColor; selectionColor = defaults.selectionColor; lineHighlightColor = defaults.lineHighlightColor; lineHighlight = defaults.lineHighlight; bracketHighlightColor = defaults.bracketHighlightColor; bracketHighlight = defaults.bracketHighlight; paintInvalid = defaults.paintInvalid; eolMarkerColor = defaults.eolMarkerColor; eolMarkers = defaults.eolMarkers; }
Example #28
Source File: SyntaxUtilities.java From rapidminer-studio with GNU Affero General Public License v3.0 | 5 votes |
/** * Paints the specified line onto the graphics context. Note that this method munges the offset * and count values of the segment. * * @param line * The line segment * @param tokens * The token list for the line * @param styles * The syntax style list * @param expander * The tab expander used to determine tab stops. May be null * @param gfx * The graphics context * @param x * The x co-ordinate * @param y * The y co-ordinate * @return The x co-ordinate, plus the width of the painted string */ public static int paintSyntaxLine(Segment line, Token tokens, SyntaxStyle[] styles, TabExpander expander, Graphics gfx, int x, int y) { Font defaultFont = gfx.getFont(); Color defaultColor = gfx.getColor(); for (;;) { byte id = tokens.id; if (id == Token.END) { break; } int length = tokens.length; if (id == Token.NULL) { if (!defaultColor.equals(gfx.getColor())) { gfx.setColor(defaultColor); } if (!defaultFont.equals(gfx.getFont())) { gfx.setFont(defaultFont); } } else { styles[id].setGraphicsFlags(gfx, defaultFont); } line.count = length; x = Utilities.drawTabbedText(line, x, y, gfx, expander, 0); line.offset += length; tokens = tokens.next; } return x; }
Example #29
Source File: MainPanel.java From java-swing-tips with MIT License | 5 votes |
/** * Returns a <code>Segment</code>. When done, the <code>Segment</code> * should be recycled by invoking <code>releaseSegment</code>. */ public Segment getSegment() { synchronized (this) { int size = segments.size(); if (size > 0) { return segments.remove(size - 1); } } return new CachedSegment(); }
Example #30
Source File: BytecodeTokenizer.java From java-disassembler with GNU General Public License v3.0 | 5 votes |
/** * Returns the first token in the linked list of tokens generated * from <code>text</code>. This method must be implemented by * subclasses so they can correctly implement syntax highlighting. * * @param text The text from which to get tokens. * @param initialTokenType The token type we should start with. * @param startOffset The offset into the document at which * <code>text</code> starts. * @return The first <code>Token</code> in a linked list representing * the syntax highlighted text. */ public Token getTokenList(Segment text, int initialTokenType, int startOffset) { resetTokenList(); this.offsetShift = startOffset; // Start off in the proper state. int state = Token.NULL; switch (initialTokenType) { case Token.COMMENT_MULTILINE: state = MLC; start = 0; break; case Token.COMMENT_DOCUMENTATION: state = DOCCOMMENT; start = 0; break; default: state = Token.NULL; } s = text; try { reset(text, 0, text.count, state); return yylex(); } catch (IOException ioe) { ioe.printStackTrace(); return new TokenImpl(); } }