| /*******************************************************************************
|
| * Copyright (c) 2009, 2010 IBM Corporation and others.
|
| * All rights reserved. This program and the accompanying materials
|
| * are made available under the terms of the Eclipse Public License 2.0
|
| * which accompanies this distribution, and is available at
|
| * https://www.eclipse.org/legal/epl-2.0/
|
| *
|
| * SPDX-License-Identifier: EPL-2.0
|
| *
|
| * Contributors:
|
| * IBM Corporation - initial API and implementation
|
| *******************************************************************************/ |
| package org.eclipse.jst.jsp.ui.internal.text;
|
|
|
| import org.eclipse.jface.preference.IPreferenceStore;
|
| import org.eclipse.jface.text.BadLocationException;
|
| import org.eclipse.jface.text.IDocument;
|
| import org.eclipse.jface.text.IRegion;
|
| import org.eclipse.jface.text.source.ISourceViewer;
|
| import org.eclipse.jface.util.IPropertyChangeListener;
|
| import org.eclipse.jface.util.PropertyChangeEvent;
|
| import org.eclipse.jst.jsp.ui.internal.JSPUIPlugin;
|
| import org.eclipse.jst.jsp.ui.internal.preferences.JSPUIPreferenceNames;
|
| import org.eclipse.swt.graphics.Point;
|
| import org.eclipse.wst.sse.ui.typing.AbstractCharacterPairInserter;
|
|
|
| public class JavaCharacterPairInserter extends AbstractCharacterPairInserter implements IPropertyChangeListener {
|
|
|
| private boolean fCloseBrackets = true;
|
| private boolean fCloseStrings = true;
|
|
|
| protected boolean shouldPair(ISourceViewer viewer, char c) {
|
| IDocument document = viewer.getDocument();
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| final Point selection = viewer.getSelectedRange();
|
| final int offset = selection.x;
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| final int length = selection.y;
|
|
|
| try {
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| IRegion startLine= document.getLineInformationOfOffset(offset);
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| IRegion endLine= document.getLineInformationOfOffset(offset + length);
|
|
|
| JavaHeuristicScanner scanner = new JavaHeuristicScanner(document);
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| int nextToken = scanner.nextToken(offset + length, endLine.getOffset() + endLine.getLength());
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| String next = nextToken == Symbols.TokenEOF ? null : document.get(offset, scanner.getPosition() - offset).trim();
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| int prevToken = scanner.previousToken(offset - 1, startLine.getOffset());
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| int prevTokenOffset = scanner.getPosition() + 1;
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| String previous = prevToken == Symbols.TokenEOF ? null : document.get(prevTokenOffset, offset - prevTokenOffset).trim();
|
|
|
| switch (c) {
|
| case '(':
|
| if (!fCloseBrackets || nextToken == Symbols.TokenLPAREN || nextToken == Symbols.TokenIDENT || next != null && next.length() > 1)
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| return false;
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| break;
|
|
|
| case '<':
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| if (!fCloseBrackets || nextToken == Symbols.TokenLESSTHAN
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| || prevToken != Symbols.TokenLBRACE
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| && prevToken != Symbols.TokenRBRACE
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| && prevToken != Symbols.TokenSEMICOLON
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| && prevToken != Symbols.TokenSYNCHRONIZED
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| && prevToken != Symbols.TokenSTATIC
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| && (prevToken != Symbols.TokenIDENT || !isAngularIntroducer(previous))
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| && prevToken != Symbols.TokenEOF)
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| return false;
|
| break;
|
|
|
| case '[':
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| if (!fCloseBrackets || nextToken == Symbols.TokenIDENT || next != null && next.length() > 1)
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| return false;
|
| break;
|
|
|
| case '\'':
|
| case '"':
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| if (!fCloseStrings || nextToken == Symbols.TokenIDENT
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| || prevToken == Symbols.TokenIDENT
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| || prevToken == Symbols.TokenSQUOTE
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| || nextToken == Symbols.TokenSQUOTE
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| || prevToken == Symbols.TokenDQUOTE
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| || nextToken == Symbols.TokenDQUOTE
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| || next != null && next.length() > 1
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| || previous != null && previous.length() > 1)
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| return false;
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| break;
|
|
|
| default:
|
| return false;
|
| }
|
| } catch (BadLocationException e) {
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| return false;
|
| }
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| return true;
|
| }
|
|
|
| private boolean isAngularIntroducer(String identifier) {
|
| return identifier.length() > 0
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| && (Character.isUpperCase(identifier.charAt(0))
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| || identifier.startsWith("final") //$NON-NLS-1$
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| || identifier.startsWith("public") //$NON-NLS-1$
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| || identifier.startsWith("public") //$NON-NLS-1$
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| || identifier.startsWith("protected") //$NON-NLS-1$
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| || identifier.startsWith("private")); //$NON-NLS-1$
|
| }
|
|
|
| protected char getPair(char c) {
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| switch (c) {
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| case '\'':
|
| case '"':
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| return c;
|
| case '(':
|
| return ')';
|
| case '[':
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| return ']';
|
| case '<':
|
| return '>';
|
| default:
|
| throw new IllegalArgumentException();
|
| }
|
| }
|
|
|
| protected char getEscapeChar(char c) {
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| switch (c) {
|
| case '\'':
|
| case '"':
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| return '\\';
|
| default:
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| return 0;
|
| }
|
| }
|
|
|
| public boolean hasPair(char c) {
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| switch (c) {
|
| case '"':
|
| case '\'':
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| case '[':
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| case '(':
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| case '<':
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| return true;
|
| default:
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| return false;
|
| }
|
| }
|
|
|
| public void initialize() {
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| IPreferenceStore store = JSPUIPlugin.getInstance().getPreferenceStore();
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| fCloseStrings = store.getBoolean(JSPUIPreferenceNames.TYPING_CLOSE_STRINGS);
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| fCloseBrackets = store.getBoolean(JSPUIPreferenceNames.TYPING_CLOSE_BRACKETS);
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| store.addPropertyChangeListener(this);
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| }
|
|
|
| public void dispose() {
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| JSPUIPlugin.getInstance().getPreferenceStore().removePropertyChangeListener(this);
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| }
|
|
|
| public void propertyChange(PropertyChangeEvent event) {
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| if (JSPUIPreferenceNames.TYPING_CLOSE_BRACKETS.equals(event.getProperty()))
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| fCloseBrackets = ((Boolean) event.getNewValue()).booleanValue();
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| else if (JSPUIPreferenceNames.TYPING_CLOSE_STRINGS.equals(event.getProperty()))
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| fCloseStrings = ((Boolean) event.getNewValue()).booleanValue();
|
| }
|
| }
|