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Diffstat (limited to 'bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/java/JSPTranslationExtension.java')
-rw-r--r--bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/java/JSPTranslationExtension.java465
1 files changed, 0 insertions, 465 deletions
diff --git a/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/java/JSPTranslationExtension.java b/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/java/JSPTranslationExtension.java
deleted file mode 100644
index b18c3984dc..0000000000
--- a/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/java/JSPTranslationExtension.java
+++ /dev/null
@@ -1,465 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2004, 2007 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.jst.jsp.core.internal.java;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-
-import org.eclipse.core.runtime.Platform;
-import org.eclipse.jdt.core.IJavaProject;
-import org.eclipse.jdt.core.ToolFactory;
-import org.eclipse.jdt.core.formatter.CodeFormatter;
-import org.eclipse.jface.text.BadLocationException;
-import org.eclipse.jface.text.IDocument;
-import org.eclipse.jface.text.IRegion;
-import org.eclipse.jface.text.Position;
-import org.eclipse.jface.text.TextUtilities;
-import org.eclipse.jst.jsp.core.internal.Logger;
-import org.eclipse.jst.jsp.core.internal.regions.DOMJSPRegionContexts;
-import org.eclipse.text.edits.DeleteEdit;
-import org.eclipse.text.edits.InsertEdit;
-import org.eclipse.text.edits.MalformedTreeException;
-import org.eclipse.text.edits.MultiTextEdit;
-import org.eclipse.text.edits.ReplaceEdit;
-import org.eclipse.text.edits.TextEdit;
-import org.eclipse.text.edits.UndoEdit;
-import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument;
-import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion;
-import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext;
-
-import com.ibm.icu.util.StringTokenizer;
-
-
-/**
- * Adds the notion of IDocuments (jsp Document and java Document) Used for
- * TextEdit translation
- *
- * @author pavery
- */
-public class JSPTranslationExtension extends JSPTranslation {
-
- // for debugging
- private static final boolean DEBUG;
- static {
- String value = Platform.getDebugOption("org.eclipse.jst.jsp.core/debug/jsptranslation"); //$NON-NLS-1$
- DEBUG = value != null && value.equalsIgnoreCase("true"); //$NON-NLS-1$
- }
-
- // just a convenience data structure
- // to keep track of java position deltas
- private class PositionDelta {
-
- public boolean isDeleted = false;
- public int preOffset = 0;
- public int preLength = 0;
- public int postOffset = 0;
- public int postLength = 0;
-
- public PositionDelta(int preOffset, int preLength) {
- this.preOffset = preOffset;
- this.preLength = preLength;
- }
-
- public void setPostEditData(int postOffset, int postLength, boolean isDeleted) {
- this.postOffset = postOffset;
- this.postLength = postLength;
- this.isDeleted = isDeleted;
- }
- }
-
- private IDocument fJspDocument = null;
- private IDocument fJavaDocument = null;
- private CodeFormatter fCodeFormatter = null;
-
- public JSPTranslationExtension(IDocument jspDocument, IDocument javaDocument, IJavaProject javaProj, JSPTranslator translator) {
- super(javaProj, translator);
- fJspDocument = jspDocument;
- fJavaDocument = javaDocument;
-
- // make sure positions are added to Java and JSP documents
- // this is necessary for text edits
- addPositionsToDocuments();
- }
-
- public IDocument getJspDocument() {
- return fJspDocument;
- }
-
- public IDocument getJavaDocument() {
- return fJavaDocument;
- }
-
- public String getJavaText() {
- return getJavaDocument() != null ? getJavaDocument().get() : ""; //$NON-NLS-1$
- }
-
- /**
- * Returns a corresponding TextEdit for the JSP file given a TextEdit for
- * a Java file.
- *
- * @param javaEdit
- * @return the corresponding JSP edits (not applied to the document yet)
- */
- public TextEdit getJspEdit(TextEdit javaEdit) {
-
- if (javaEdit == null)
- return null;
-
- List jspEdits = new ArrayList();
-
- int offset = javaEdit.getOffset();
- int length = javaEdit.getLength();
-
- if (javaEdit instanceof MultiTextEdit && javaEdit.getChildren().length > 0) {
-
- IRegion r = TextEdit.getCoverage(getAllEdits(javaEdit));
- offset = r.getOffset();
- length = r.getLength();
- }
-
- // get java ranges that will be affected by the edit
- Position[] javaPositions = getJavaRanges(offset, length);
-
- // record position data before the change
- Position[] jspPositions = new Position[javaPositions.length];
- PositionDelta[] deltas = new PositionDelta[javaPositions.length];
- for (int i = 0; i < javaPositions.length; i++) {
- deltas[i] = new PositionDelta(javaPositions[i].offset, javaPositions[i].length);
- // isIndirect means the position doesn't actually exist as exact
- // text
- // mapping from java <-> jsp (eg. an import statement)
- if (!isIndirect(javaPositions[i].offset))
- jspPositions[i] = (Position) getJava2JspMap().get(javaPositions[i]);
- }
-
- if (DEBUG) {
- System.out.println("================================================"); //$NON-NLS-1$
- System.out.println("deltas:"); //$NON-NLS-1$
- String javaText = getJavaText();
- for (int i = 0; i < deltas.length; i++)
- System.out.println("pos[" + deltas[i].preOffset + ":" + deltas[i].preLength + "]" + javaText.substring(deltas[i].preOffset, deltas[i].preOffset + deltas[i].preLength)); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
- System.out.println("==============================================="); //$NON-NLS-1$
- }
- UndoEdit undo = null;
- // apply the edit to the java document
- try {
- undo = javaEdit.apply(getJavaDocument());
- }
- catch (MalformedTreeException e) {
- Logger.logException(e);
- }
- catch (BadLocationException e) {
- Logger.logException(e);
- }
- // now at this point Java positions are unreliable since they were
- // updated after applying java edit.
-
- String newJavaText = getJavaDocument().get();
- if (DEBUG)
- System.out.println("java post format text:\n" + newJavaText); //$NON-NLS-1$
-
- // record post edit data
- for (int i = 0; i < javaPositions.length; i++)
- deltas[i].setPostEditData(javaPositions[i].offset, javaPositions[i].length, javaPositions[i].isDeleted);
-
- // create appropriate text edits for deltas
- Position jspPos = null;
- String replaceText = ""; //$NON-NLS-1$
- for (int i = 0; i < deltas.length; i++) {
- jspPos = jspPositions[i];
- // can be null if it's an indirect mapping position
- // or if something was added into java that was not originally in
- // JSP (like a new import...)
-
- if (jspPos != null) {
- if (deltas[i].isDeleted) {
- jspEdits.add(new DeleteEdit(jspPos.offset, jspPos.length));
- }
- else {
- replaceText = newJavaText.substring(deltas[i].postOffset, deltas[i].postOffset + deltas[i].postLength);
-
- // get rid of pre and post white space or fine tuned
- // adjustment later.
- // fix text here...
- replaceText = fixJspReplaceText(replaceText, jspPos.offset);
-
- jspEdits.add(new ReplaceEdit(jspPos.offset, jspPos.length, replaceText));
- }
- if (DEBUG)
- debugReplace(deltas, jspPos, replaceText, i);
- }
- else {
- // the new Java text has no corresponding JSP position
- // possible new import?
- if (isImport(javaPositions[i].getOffset()) && replaceText.lastIndexOf("import ") != -1) { //$NON-NLS-1$
- replaceText = newJavaText.substring(deltas[i].postOffset, deltas[i].postOffset + deltas[i].postLength);
- String importText = replaceText.substring(replaceText.lastIndexOf("import "), replaceText.indexOf(";")); //$NON-NLS-1$ //$NON-NLS-2$
- // evenutally need to check if it's XML-JSP
- importText = "<%@page import=\"" + importText + "\" %>\n"; //$NON-NLS-1$ //$NON-NLS-2$
- jspEdits.add(new InsertEdit(0, importText));
- }
- }
- }
- TextEdit allJspEdits = createMultiTextEdit((TextEdit[]) jspEdits.toArray(new TextEdit[jspEdits.size()]));
-
- // https://bugs.eclipse.org/bugs/show_bug.cgi?id=105632
- // undo the java edit
- // (so the underlying Java document still represents what's in the
- // editor)
- if (undo != null) {
- try {
- undo.apply(getJavaDocument());
- }
- catch (MalformedTreeException e) {
- Logger.logException(e);
- }
- catch (BadLocationException e) {
- Logger.logException(e);
- }
- }
-
- return allJspEdits;
- }
-
- private String fixJspReplaceText(String replaceText, int jspOffset) {
-
- // result is the text inbetween the delimiters
- // eg.
- //
- // <% result
- // %>
- String result = replaceText.trim();
- String preDelimiterWhitespace = ""; //$NON-NLS-1$
-
- IDocument jspDoc = getJspDocument();
- if (jspDoc instanceof IStructuredDocument) {
- IStructuredDocument sDoc = (IStructuredDocument) jspDoc;
- IStructuredDocumentRegion[] regions = sDoc.getStructuredDocumentRegions(0, jspOffset);
- IStructuredDocumentRegion lastRegion = regions[regions.length - 1];
-
- // only specifically modify scriptlets
- if (lastRegion != null && lastRegion.getType() == DOMJSPRegionContexts.JSP_SCRIPTLET_OPEN) {
- for (int i = regions.length - 1; i >= 0; i--) {
- IStructuredDocumentRegion region = regions[i];
-
- // is there a better way to check whitespace?
- if (region.getType() == DOMRegionContext.XML_CONTENT && region.getFullText().trim().equals("")) { //$NON-NLS-1$
-
- preDelimiterWhitespace = region.getFullText();
- preDelimiterWhitespace = preDelimiterWhitespace.replaceAll("\r", ""); //$NON-NLS-1$ //$NON-NLS-2$
- preDelimiterWhitespace = preDelimiterWhitespace.replaceAll("\n", ""); //$NON-NLS-1$ //$NON-NLS-2$
-
- // need to determine indent for that first line...
- String initialIndent = getInitialIndent(result);
-
- // fix the first line of java code
- result = TextUtilities.getDefaultLineDelimiter(sDoc) + initialIndent + result;
-
- result = adjustIndent(result, preDelimiterWhitespace, TextUtilities.getDefaultLineDelimiter(sDoc));
-
- // add whitespace before last delimiter to match
- // it w/ the opening delimiter
- result = result + TextUtilities.getDefaultLineDelimiter(sDoc) + preDelimiterWhitespace;
- break;
- }
- }
- }
- }
- return result;
- }
-
- private String adjustIndent(String textBefore, String indent, String delim) {
-
- // first replace multiple indent with single indent
- // the triple indent occurs because the scriptlet code
- // actually occurs under:
- //
- // class
- // method
- // code
- //
- // in the translated java document
- // BUG188636 - just get indent info from code formatter
- String level1 = getCodeFormatter().createIndentationString(1);
- String level3 = getCodeFormatter().createIndentationString(3);
- String theOld = "\n" + level3; //$NON-NLS-1$
- String theNew = "\n" + level1; //$NON-NLS-1$
- textBefore = textBefore.replaceAll(theOld, theNew);
-
- // get indent after 2nd line break
- StringBuffer textAfter = new StringBuffer();
- // will this work on mac?
- textBefore = textBefore.replaceAll("\r", ""); //$NON-NLS-1$ //$NON-NLS-2$
- StringTokenizer st = new StringTokenizer(textBefore, "\n", true); //$NON-NLS-1$
- while (st.hasMoreTokens()) {
- String tok = st.nextToken();
- if (tok.equals("\n")) { //$NON-NLS-1$
- textAfter.append(delim);
- }
- else {
- // prepend each line w/ specified indent
- textAfter.append(indent);
- textAfter.append(tok);
- }
- }
- return textAfter.toString();
-
- }
-
- private String getInitialIndent(String result) {
- // BUG188636 - just get initial indent from code formatter
- String indent = getCodeFormatter().createIndentationString(1);
- // // get indent after 2nd line break
- // String indent = ""; //$NON-NLS-1$
- // StringTokenizer st = new StringTokenizer(result, "\r\n", false);
- // //$NON-NLS-1$
- // if (st.countTokens() > 1) {
- // String tok = st.nextToken();
- // tok = st.nextToken();
- // int index = 0;
- // if (tok != null) {
- // while (tok.charAt(index) == ' ' || tok.charAt(index) == '\t') {
- // indent += tok.charAt(index);
- // index++;
- // }
- // }
- // }
- return indent;
- }
-
- private CodeFormatter getCodeFormatter() {
- if (fCodeFormatter == null)
- fCodeFormatter = ToolFactory.createCodeFormatter(null);
- return fCodeFormatter;
- }
-
-
- /**
- * Combines an array of edits into one MultiTextEdit (with the appropriate
- * coverage region)
- *
- * @param edits
- * @return
- */
- private TextEdit createMultiTextEdit(TextEdit[] edits) {
-
- if (edits.length == 0)
- return new MultiTextEdit();
-
- /* should not specify a limited region because other edits outside
- * these original edits might be added later.
- */
- MultiTextEdit multiEdit = new MultiTextEdit();
- for (int i = 0; i < edits.length; i++) {
- addToMultiEdit(edits[i], multiEdit);
- }
- return multiEdit;
- }
-
-
- private void addToMultiEdit(TextEdit edit, MultiTextEdit multiEdit) {
-
- // check for overlap here
- // discard overlapping edits..
- // possible exponential performance hit... need a better way...
- TextEdit[] children = multiEdit.getChildren();
- for (int i = 0; i < children.length; i++) {
- if (children[i].covers(edit))
- // don't add
- return;
- }
- multiEdit.addChild(edit);
- }
-
-
- /**
- * @param translation
- */
- private void addPositionsToDocuments() {
-
- // can be null if it's a NullJSPTranslation
- if (getJavaDocument() != null && getJspDocument() != null) {
-
- HashMap java2jsp = getJava2JspMap();
- Iterator it = java2jsp.keySet().iterator();
- Position javaPos = null;
- while (it.hasNext()) {
- javaPos = (Position) it.next();
- try {
-
- fJavaDocument.addPosition(javaPos);
-
- }
- catch (BadLocationException e) {
- if (DEBUG) {
- System.out.println("tyring to add Java Position:[" + javaPos.offset + ":" + javaPos.length + "] to " + getJavaPath()); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
- // System.out.println("substring :[" +
- // fJavaDocument.get().substring(javaPos.offset) +
- // "]"); //$NON-NLS-1$ //$NON-NLS-2$
- Logger.logException(e);
- }
- }
-
- try {
-
- fJspDocument.addPosition((Position) java2jsp.get(javaPos));
-
- }
- catch (BadLocationException e) {
- if (DEBUG) {
- System.out.println("tyring to add JSP Position:[" + ((Position) java2jsp.get(javaPos)).offset + ":" + ((Position) java2jsp.get(javaPos)).length + "] to " + getJavaPath()); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
- Logger.logException(e);
- }
- }
- }
- }
- }
-
- /**
- * Recursively gets all child edits
- *
- * @param javaEdit
- * @return all child edits
- */
- private TextEdit[] getAllEdits(TextEdit javaEdit) {
-
- List result = new ArrayList();
- if (javaEdit instanceof MultiTextEdit) {
- TextEdit[] children = javaEdit.getChildren();
- for (int i = 0; i < children.length; i++)
- result.addAll(Arrays.asList(getAllEdits(children[i])));
- }
- else
- result.add(javaEdit);
- return (TextEdit[]) result.toArray(new TextEdit[result.size()]);
- }
-
- /**
- * @param deltas
- * @param jspPos
- * @param replaceText
- * @param jspText
- * @param i
- */
- private void debugReplace(PositionDelta[] deltas, Position jspPos, String replaceText, int i) {
- String jspChunk;
- jspChunk = getJspDocument().get().substring(jspPos.offset, jspPos.offset + jspPos.length);
- if (!deltas[i].isDeleted) {
- System.out.println("replacing:"); //$NON-NLS-1$
- System.out.println("jsp:[" + jspChunk + "]"); //$NON-NLS-1$ //$NON-NLS-2$
- System.out.println("w/ :[" + replaceText + "]"); //$NON-NLS-1$ //$NON-NLS-2$
- System.out.println("--------------------------------"); //$NON-NLS-1$
- }
- }
-}

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