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Diffstat (limited to 'bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/XMLModelUpdater.java')
-rw-r--r--bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/XMLModelUpdater.java1700
1 files changed, 0 insertions, 1700 deletions
diff --git a/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/XMLModelUpdater.java b/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/XMLModelUpdater.java
deleted file mode 100644
index 1cbbc255a4..0000000000
--- a/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/XMLModelUpdater.java
+++ /dev/null
@@ -1,1700 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2001, 2004 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
- * Jens Lukowski/Innoopract - initial renaming/restructuring
- *
- *******************************************************************************/
-package org.eclipse.wst.xml.core.internal.document;
-
-
-
-import java.util.Enumeration;
-import java.util.Iterator;
-
-import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument;
-import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion;
-import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegionList;
-import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion;
-import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionList;
-import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement;
-import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode;
-import org.eclipse.wst.xml.core.internal.provisional.document.ISourceGenerator;
-import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext;
-import org.w3c.dom.Attr;
-import org.w3c.dom.Element;
-import org.w3c.dom.NamedNodeMap;
-import org.w3c.dom.Node;
-import org.w3c.dom.Text;
-
-
-/**
- * XMLModelUpdater class
- */
-public class XMLModelUpdater {
- private int diff = 0;
- private int gapLength = 0;
- private int gapOffset = 0;
- private IStructuredDocumentRegion gapStructuredDocumentRegion = null;
- private ISourceGenerator generator = null;
- private DOMModelImpl model = null;
- private NodeImpl nextNode = null;
- private NodeImpl parentNode = null;
-
- protected XMLModelUpdater(DOMModelImpl model) {
- super();
-
- if (model != null) {
- this.model = model;
- this.generator = model.getGenerator();
- }
- }
-
- /**
- * changeAttrValue method
- *
- * @param attrNode
- * org.w3c.dom.Attr
- */
- private void changeAttrName(Attr attrNode) {
- if (attrNode == null)
- return;
-
- AttrImpl attr = (AttrImpl) attrNode;
- ElementImpl element = (ElementImpl) attr.getOwnerElement();
- if (element == null)
- return;
-
- if (element.isCommentTag()) {
- changeStartTag(element);
- return;
- }
-
- int offset = element.getStartOffset();
- int start = offset;
- int end = offset;
-
- String name = attr.getName();
- if (name == null)
- name = new String();
- ITextRegion nameRegion = attr.getNameRegion();
- if (nameRegion == null)
- return; // error
- start += nameRegion.getStart();
- // use getTextEnd() because getEnd() may include the tailing spaces
- end += nameRegion.getTextEnd();
-
- replaceSource(name, start, end);
- }
-
- /**
- * changeAttrValue method
- *
- * @param attrNode
- * org.w3c.dom.Attr
- */
- private void changeAttrValue(Attr attrNode) {
- if (attrNode == null)
- return;
-
- AttrImpl attr = (AttrImpl) attrNode;
- ElementImpl element = (ElementImpl) attr.getOwnerElement();
- if (element == null)
- return;
-
- if (element.isCommentTag()) {
- changeStartTag(element);
- return;
- }
-
- int offset = element.getStartOffset();
- int start = offset;
- int end = offset;
-
- String value = null;
- ITextRegion valueRegion = attr.getValueRegion();
- if (valueRegion != null) {
- char quote = 0; // no quote preference
- // DW: 4/16/2003 due to change in structuredDocument ... we need a
- // flatnode to
- // get at region values. For now I'll assume this is always the
- // first
- // flatnode .. may need to make smarter later (e.g. to search for
- // the flatnode that this.valueRegion belongs to.
- IStructuredDocumentRegion documentRegion = element.getFirstStructuredDocumentRegion();
- String oldValue = documentRegion.getText(valueRegion);
- if (oldValue != null && oldValue.length() > 0) {
- char firstChar = oldValue.charAt(0);
- if (firstChar == '"' || firstChar == '\'') {
- quote = firstChar;
- }
- }
-
- ITextRegion startRegion = valueRegion;
-
- value = this.generator.generateAttrValue(attr, quote);
- if (value == null) {
- value = new String();
- // remove equal too
- ITextRegion equalRegion = attr.getEqualRegion();
- if (equalRegion != null)
- startRegion = equalRegion;
- }
- attr.setValueRegion(valueRegion); // reset value
-
- start += startRegion.getStart();
- // use getTextEnd() because getEnd() may include the tailing
- // spaces
- end += valueRegion.getTextEnd();
- }
- else {
- ITextRegion equalRegion = attr.getEqualRegion();
-
- value = this.generator.generateAttrValue(attr);
- if (value == null) {
- if (equalRegion == null)
- return; // nothng to do
- value = new String();
- // remove equal
- start += equalRegion.getStart();
- end += equalRegion.getTextEnd();
- }
- else {
- if (equalRegion != null) {
- // use getTextEnd() because getEnd() may include the
- // tailing spaces
- start += equalRegion.getTextEnd();
- }
- else {
- ITextRegion nameRegion = attr.getNameRegion();
- if (nameRegion == null)
- return; // must never happen
- // use getTextEnd() because getEnd() may include the
- // tailing spaces
- start += nameRegion.getTextEnd();
- value = '=' + value;
- }
- end = start;
- }
- }
-
- replaceSource(value, start, end);
- }
-
- /**
- */
- void changeEndTag(Element element) {
- String source = this.generator.generateEndTag(element);
- if (source == null)
- return;
- int length = source.length();
- if (length == 0)
- return;
-
- ElementImpl impl = (ElementImpl) element;
- int offset = impl.getEndStartOffset();
- int start = offset;
- int end = offset;
- if (impl.hasEndTag()) {
- end = impl.getEndOffset();
- this.gapStructuredDocumentRegion = impl.getEndStructuredDocumentRegion();
- impl.setEndStructuredDocumentRegion(new StructuredDocumentRegionProxy(offset, length));
- }
-
- replaceSource(source, start, end);
- }
-
- /**
- * changeName method
- *
- * @param node
- * org.w3c.dom.Node
- */
- void changeName(Node node) {
- if (node == null)
- return;
- if (getStructuredDocument() == null)
- return;
-
- // support changing name of attribute for setPrefix()
- short nodeType = node.getNodeType();
- if (nodeType == Node.ATTRIBUTE_NODE) {
- changeAttrName((Attr) node);
- return;
- }
-
- // not supported
- return;
- }
-
- void changeRegion(IStructuredDocumentRegion flatNode, ITextRegion region) {
- // future_TODO: optimize
-
- NodeImpl root = (NodeImpl) this.model.getDocument();
- this.parentNode = root;
- this.nextNode = (NodeImpl) root.getFirstChild();
-
- removeGapStructuredDocumentRegion(flatNode);
- insertGapStructuredDocumentRegionBefore(flatNode.getStart());
- changeStructuredDocumentRegion(flatNode);
- insertGapStructuredDocumentRegionAfter(flatNode.getEnd());
- }
-
- /**
- * This is a fallback method to regenerate the start tag.
- */
- void changeStartTag(Element element) {
- if (element == null)
- return;
- ElementImpl impl = (ElementImpl) element;
-
- if (!impl.hasStartTag() && !impl.hasEndTag()) {
- // need to generate the start and the end tags
- Node parent = element.getParentNode();
- if (parent != null) {
- replaceChild(parent, element, element);
- return;
- }
- // else error
- }
-
- String source = this.generator.generateStartTag(element);
- if (source == null)
- return;
- int length = source.length();
- if (length == 0)
- return;
-
- int offset = impl.getStartOffset();
- int start = offset;
- int end = offset;
- if (impl.hasStartTag()) {
- end = impl.getStartEndOffset();
- this.gapStructuredDocumentRegion = impl.getStartStructuredDocumentRegion();
- }
- impl.setStartStructuredDocumentRegion(new StructuredDocumentRegionProxy(offset, length));
-
- replaceSource(source, start, end);
- }
-
- private void changeStructuredDocumentRegion(IStructuredDocumentRegion oldStructuredDocumentRegion) {
- if (oldStructuredDocumentRegion == null)
- return; // error
- if (this.parentNode == null)
- return; // error
-
- int oldOffset = oldStructuredDocumentRegion.getStart();
- int oldEnd = oldStructuredDocumentRegion.getEnd();
- boolean isEndTag = false;
-
- // find owner node
- NodeImpl ownerNode = null;
- while (this.parentNode != null) {
- if (this.nextNode != null) {
- IStructuredDocumentRegion nextStructuredDocumentRegion = this.nextNode.getStructuredDocumentRegion();
- if (nextStructuredDocumentRegion != null) {
- if (nextStructuredDocumentRegion == oldStructuredDocumentRegion) {
- ownerNode = this.nextNode;
- break;
- }
- int nextOffset = nextStructuredDocumentRegion.getStart();
- if (nextOffset == oldOffset) { // found
- ownerNode = this.nextNode;
- break;
- }
- if (this.nextNode.getNodeType() == Node.TEXT_NODE) {
- TextImpl text = (TextImpl) this.nextNode;
- if (text.hasStructuredDocumentRegion(oldStructuredDocumentRegion)) {
- ownerNode = this.nextNode;
- break;
- }
- int nextEnd = nextStructuredDocumentRegion.getEnd();
- if (nextOffset < oldEnd && nextEnd > oldOffset) {
- ownerNode = this.nextNode;
- break;
- }
- }
- }
-
- Node child = this.nextNode.getFirstChild();
- if (child != null) {
- this.parentNode = this.nextNode;
- this.nextNode = (NodeImpl) child;
- continue;
- }
-
- if (this.nextNode.getNodeType() == Node.ELEMENT_NODE) {
- this.parentNode = this.nextNode;
- this.nextNode = null;
- continue;
- }
-
- this.nextNode = (NodeImpl) this.nextNode.getNextSibling();
- if (this.nextNode != null)
- continue;
- }
-
- if (this.parentNode.getNodeType() == Node.ELEMENT_NODE) {
- ElementImpl element = (ElementImpl) this.parentNode;
- IStructuredDocumentRegion endStructuredDocumentRegion = element.getEndStructuredDocumentRegion();
- if (endStructuredDocumentRegion != null) {
- if (endStructuredDocumentRegion == oldStructuredDocumentRegion) {
- ownerNode = this.parentNode;
- isEndTag = true;
- break;
- }
- int endOffset = endStructuredDocumentRegion.getStart();
- if (endOffset == oldOffset) { // found
- ownerNode = this.parentNode;
- isEndTag = true;
- break;
- }
- }
- }
-
- this.nextNode = (NodeImpl) this.parentNode.getNextSibling();
- this.parentNode = (NodeImpl) this.parentNode.getParentNode();
- }
- if (ownerNode == null)
- throw new StructuredDocumentRegionManagementException();
-
- short nodeType = ownerNode.getNodeType();
- if (nodeType == Node.ELEMENT_NODE) {
- ElementImpl element = (ElementImpl) ownerNode;
- if (isEndTag) {
- element.setEndStructuredDocumentRegion(oldStructuredDocumentRegion);
- }
- else {
- element.setStartStructuredDocumentRegion(oldStructuredDocumentRegion);
- updateAttrRegions(element, oldStructuredDocumentRegion);
- }
- }
- else if (nodeType == Node.TEXT_NODE) {
- TextImpl text = (TextImpl) ownerNode;
-
- IStructuredDocumentRegion flatNode = text.getStructuredDocumentRegion();
- if (flatNode == oldStructuredDocumentRegion) {
- int newOffset = oldOffset;
- int newEnd = oldEnd;
- if (oldOffset == this.gapOffset) {
- newOffset += this.diff;
- }
- else {
- newEnd = this.gapOffset;
- }
- int newLength = newEnd - newOffset;
- IStructuredDocumentRegion newStructuredDocumentRegion = new StructuredDocumentRegionProxy(newOffset, newLength, oldStructuredDocumentRegion);
- text.setStructuredDocumentRegion(newStructuredDocumentRegion);
-
- if (oldEnd > newEnd) {
- this.nextNode = (NodeImpl) text.getNextSibling();
- changeStructuredDocumentRegion(oldStructuredDocumentRegion);
- }
- return;
- }
-
- if (flatNode instanceof StructuredDocumentRegionProxy) {
- StructuredDocumentRegionProxy proxy = (StructuredDocumentRegionProxy) flatNode;
- int offset = proxy.getOffset();
- int end = offset + proxy.getLength();
- if (proxy.getStructuredDocumentRegion() == null) {
- if (offset == oldOffset && end == oldEnd) {
- text.setStructuredDocumentRegion(oldStructuredDocumentRegion);
- }
- else {
- if (end > oldEnd) {
- StructuredDocumentRegionContainer container = new StructuredDocumentRegionContainer();
- container.appendStructuredDocumentRegion(oldStructuredDocumentRegion);
- proxy.setOffset(oldEnd);
- proxy.setLength(end - oldEnd);
- container.appendStructuredDocumentRegion(proxy);
- text.setStructuredDocumentRegion(container);
- }
- else {
- proxy.setStructuredDocumentRegion(oldStructuredDocumentRegion);
-
- if (end < oldEnd) { // to be shared
- this.nextNode = (NodeImpl) text.getNextSibling();
- changeStructuredDocumentRegion(oldStructuredDocumentRegion);
- }
- }
- }
- return;
- }
-
- if (offset >= this.gapOffset) {
- proxy.setOffset(offset + this.diff);
- end += this.diff;
- }
- if (end < oldEnd) { // to be shared
- this.nextNode = (NodeImpl) text.getNextSibling();
- changeStructuredDocumentRegion(oldStructuredDocumentRegion);
- return;
- }
- }
- else if (flatNode instanceof StructuredDocumentRegionContainer) {
- StructuredDocumentRegionContainer container = (StructuredDocumentRegionContainer) flatNode;
- int count = container.getStructuredDocumentRegionCount();
- for (int i = 0; i < count; i++) {
- IStructuredDocumentRegion content = container.getStructuredDocumentRegion(i);
- if (content == null)
- continue; // error
- if (content == oldStructuredDocumentRegion) {
- int newOffset = oldOffset;
- int newEnd = oldEnd;
- if (oldOffset == this.gapOffset) {
- newOffset += this.diff;
- }
- else {
- newEnd = this.gapOffset;
- }
- int newLength = newEnd - newOffset;
- IStructuredDocumentRegion newStructuredDocumentRegion = new StructuredDocumentRegionProxy(newOffset, newLength, oldStructuredDocumentRegion);
- container.replaceStructuredDocumentRegion(newStructuredDocumentRegion, i);
-
- if (oldEnd > newEnd) { // to be shared
- this.nextNode = (NodeImpl) text.getNextSibling();
- changeStructuredDocumentRegion(oldStructuredDocumentRegion);
- }
- return;
- }
-
- if (content instanceof StructuredDocumentRegionProxy) {
- StructuredDocumentRegionProxy proxy = (StructuredDocumentRegionProxy) content;
- int offset = proxy.getOffset();
- int end = offset + proxy.getLength();
- if (end <= oldOffset)
- continue;
- if (proxy.getStructuredDocumentRegion() == null) {
- if (offset == oldOffset && end == oldEnd) {
- container.replaceStructuredDocumentRegion(oldStructuredDocumentRegion, i);
- }
- else {
- if (end > oldEnd) {
- container.insertStructuredDocumentRegion(oldStructuredDocumentRegion, i);
- proxy.setOffset(oldEnd);
- proxy.setLength(end - oldEnd);
- }
- else {
- proxy.setStructuredDocumentRegion(oldStructuredDocumentRegion);
-
- if (end < oldEnd) { // to be shared
- this.nextNode = (NodeImpl) text.getNextSibling();
- changeStructuredDocumentRegion(oldStructuredDocumentRegion);
- }
- }
- }
- return;
- }
-
- if (offset >= this.gapOffset) {
- proxy.setOffset(offset + this.diff);
- end += this.diff;
- }
- if (end < oldEnd) { // to be shared
- this.nextNode = (NodeImpl) text.getNextSibling();
- changeStructuredDocumentRegion(oldStructuredDocumentRegion);
- return;
- }
- }
- }
- }
- else {
- throw new StructuredDocumentRegionManagementException();
- }
- }
- else {
- ownerNode.setStructuredDocumentRegion(oldStructuredDocumentRegion);
- }
- }
-
- /**
- */
- private void changeTextData(Text text) {
- if (text == null)
- return;
-
- String source = this.generator.generateSource(text);
- if (source == null)
- source = new String();
- int length = source.length();
-
- TextImpl impl = (TextImpl) text;
- int start = impl.getStartOffset();
- int end = impl.getEndOffset();
- int offset = start;
-
- // make sure previous tag is closed
- Node prev = text.getPreviousSibling();
- if (prev != null) {
- String preTag = getCloseTag((IDOMNode) prev);
- if (preTag != null && preTag.length() > 0) {
- offset += preTag.length();
- source = preTag + source;
- }
- }
- else {
- Node parent = text.getParentNode();
- if (parent != null && parent.getNodeType() == Node.ELEMENT_NODE) {
- ElementImpl element = (ElementImpl) parent;
- String preTag = getStartCloseTag(element);
- if (preTag != null && preTag.length() > 0) {
- offset += preTag.length();
- StringBuffer buffer = new StringBuffer();
- buffer.append(preTag);
- buffer.append(source);
- if (text.getNextSibling() == null && !element.hasEndTag() && (element.isJSPContainer() || element.isCDATAContainer())) {
- // need to generate the end tag
- String postTag = this.generator.generateEndTag(element);
- if (postTag != null) {
- int postLength = postTag.length();
- if (postLength > 0) {
- buffer.append(postTag);
- int postOffset = offset + length;
- IStructuredDocumentRegion flatNode = new StructuredDocumentRegionProxy(postOffset, postLength);
- element.setEndStructuredDocumentRegion(flatNode);
- }
- }
- }
- source = buffer.toString();
- }
- }
- }
-
- this.gapStructuredDocumentRegion = impl.getStructuredDocumentRegion();
- IStructuredDocumentRegion newStructuredDocumentRegion = null;
- if (length > 0)
- newStructuredDocumentRegion = new StructuredDocumentRegionProxy(offset, length);
- impl.setStructuredDocumentRegion(newStructuredDocumentRegion);
-
- replaceSource(source, start, end);
- }
-
- /**
- * changeValue method
- *
- * @param node
- * org.w3c.dom.Node
- */
- void changeValue(Node node) {
- if (node == null)
- return;
- if (getStructuredDocument() == null)
- return;
-
- short nodeType = node.getNodeType();
- if (nodeType == Node.TEXT_NODE) {
- changeTextData((Text) node);
- return;
- }
- if (nodeType == Node.ATTRIBUTE_NODE) {
- changeAttrValue((Attr) node);
- return;
- }
- if (nodeType == Node.ELEMENT_NODE) {
- changeStartTag((Element) node);
- return;
- }
-
- String source = this.generator.generateSource(node);
- if (source == null)
- source = new String();
- int length = source.length();
-
- NodeImpl impl = (NodeImpl) node;
- int start = impl.getStartOffset();
- int end = impl.getEndOffset();
-
- this.gapStructuredDocumentRegion = impl.getStructuredDocumentRegion();
- IStructuredDocumentRegion flatNode = null;
- if (length > 0)
- flatNode = new StructuredDocumentRegionProxy(start, length);
- impl.setStructuredDocumentRegion(flatNode);
-
- replaceSource(source, start, end);
- }
-
- /**
- */
- private String getAttrValueClose(IDOMElement element) {
- if (element == null)
- return null;
-
- IStructuredDocumentRegion flatNode = element.getStartStructuredDocumentRegion();
- if (flatNode == null)
- return null;
- ITextRegion region = StructuredDocumentRegionUtil.getLastRegion(flatNode);
- if (region == null || region.getType() != DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE)
- return null;
- String value = flatNode.getText(region);
- if (value == null)
- return null;
- int length = value.length();
- if (length == 0)
- return null;
-
- // check open JSP tag
- boolean closeJSPTag = false;
- int offset = value.indexOf(JSPTag.TAG_OPEN);
- while (offset >= 0) {
- offset = value.indexOf(JSPTag.TAG_CLOSE, offset + 2);
- if (offset < 0) {
- closeJSPTag = true;
- break;
- }
- offset = value.indexOf(JSPTag.TAG_OPEN, offset + 2);
- }
-
- // check quote
- boolean closeQuote = false;
- char firstChar = value.charAt(0);
- if (firstChar == '"' || firstChar == '\'') {
- if (closeJSPTag || length == 1 || value.charAt(length - 1) != firstChar) {
- closeQuote = true;
- }
- }
-
- if (!closeJSPTag && !closeQuote)
- return null;
-
- StringBuffer buffer = new StringBuffer();
- if (closeJSPTag)
- buffer.append(JSPTag.TAG_CLOSE);
- if (closeQuote)
- buffer.append(firstChar);
- return buffer.toString();
- }
-
- /**
- * Gather close tags recursively.
- */
- private String getCloseTag(IDOMNode node) {
- if (node == null || node.isClosed())
- return null;
-
- if (node.getNodeType() != Node.ELEMENT_NODE) {
- return this.generator.generateCloseTag(node);
- }
-
- ElementImpl element = (ElementImpl) node;
- if (element.hasEndTag()) {
- // end tag is not closed
- return this.generator.generateCloseTag(element);
- }
-
- // no end tag
- int offset = element.getEndOffset();
- StringBuffer buffer = new StringBuffer();
-
- IDOMNode lastChild = (IDOMNode) element.getLastChild();
- if (lastChild == null) {
- if (!element.isStartTagClosed()) {
- if (element.preferEmptyTag())
- element.setEmptyTag(true);
- String closeTag = getStartCloseTag(element);
- if (closeTag != null) {
- int length = closeTag.length();
- if (length > 0) {
- buffer.append(closeTag);
- offset += length;
- }
- }
- }
- }
- else {
- String closeTag = getCloseTag(lastChild);
- if (closeTag != null) {
- int length = closeTag.length();
- if (length > 0) {
- buffer.append(closeTag);
- offset += length;
- }
- }
- }
-
- String endTag = this.generator.generateEndTag(element);
- if (endTag != null) {
- int length = endTag.length();
- if (length > 0) {
- buffer.append(endTag);
- IStructuredDocumentRegion flatNode = new StructuredDocumentRegionProxy(offset, length);
- element.setEndStructuredDocumentRegion(flatNode);
- }
- }
-
- return buffer.toString();
- }
-
- /**
- */
- private String getStartCloseTag(IDOMElement element) {
- if (element == null || element.isStartTagClosed())
- return null;
-
- StringBuffer buffer = new StringBuffer();
- String attrValueClose = getAttrValueClose(element);
- if (attrValueClose != null)
- buffer.append(attrValueClose);
- String closeTag = this.generator.generateCloseTag(element);
- if (closeTag != null)
- buffer.append(closeTag);
- return buffer.toString();
- }
-
- private IStructuredDocument getStructuredDocument() {
- if (model == null)
- return null;
- return model.getStructuredDocument();
- }
-
- /**
- */
- void initialize() {
- this.gapStructuredDocumentRegion = null;
- this.gapOffset = 0;
- this.gapLength = 0;
- this.diff = 0;
- this.parentNode = null;
- this.nextNode = null;
- }
-
- private void insertGapStructuredDocumentRegionAfter(int endOffset) {
- if (this.gapStructuredDocumentRegion == null)
- return;
-
- if (this.gapStructuredDocumentRegion instanceof StructuredDocumentRegionProxy) {
- StructuredDocumentRegionProxy proxy = (StructuredDocumentRegionProxy) this.gapStructuredDocumentRegion;
- IStructuredDocumentRegion flatNode = proxy.getStructuredDocumentRegion();
- if (flatNode != null)
- insertStructuredDocumentRegion(flatNode);
- }
- else if (this.gapStructuredDocumentRegion instanceof StructuredDocumentRegionContainer) {
- StructuredDocumentRegionContainer container = (StructuredDocumentRegionContainer) this.gapStructuredDocumentRegion;
- int count = container.getStructuredDocumentRegionCount();
- for (int i = 0; i < count; i++) {
- IStructuredDocumentRegion content = container.getStructuredDocumentRegion(i);
- if (content == null)
- continue;
- if (content.getStart() < endOffset)
- continue;
- if (content instanceof StructuredDocumentRegionProxy) {
- StructuredDocumentRegionProxy proxy = (StructuredDocumentRegionProxy) content;
- IStructuredDocumentRegion flatNode = proxy.getStructuredDocumentRegion();
- if (flatNode != null)
- insertStructuredDocumentRegion(flatNode);
- }
- else {
- insertStructuredDocumentRegion(content);
- }
- }
- }
- else {
- insertStructuredDocumentRegion(this.gapStructuredDocumentRegion);
- }
- }
-
- private void insertGapStructuredDocumentRegionBefore(int startOffset) {
- if (this.gapStructuredDocumentRegion == null)
- return;
-
- if (this.gapStructuredDocumentRegion instanceof StructuredDocumentRegionProxy) {
- StructuredDocumentRegionProxy proxy = (StructuredDocumentRegionProxy) this.gapStructuredDocumentRegion;
- IStructuredDocumentRegion flatNode = proxy.getStructuredDocumentRegion();
- if (flatNode != null)
- insertStructuredDocumentRegion(flatNode);
- }
- else if (this.gapStructuredDocumentRegion instanceof StructuredDocumentRegionContainer) {
- StructuredDocumentRegionContainer container = (StructuredDocumentRegionContainer) this.gapStructuredDocumentRegion;
- int count = container.getStructuredDocumentRegionCount();
- for (int i = 0; i < count; i++) {
- IStructuredDocumentRegion content = container.getStructuredDocumentRegion(i);
- if (content == null)
- continue;
- if (content.getStart() >= startOffset)
- return;
- if (content instanceof StructuredDocumentRegionProxy) {
- StructuredDocumentRegionProxy proxy = (StructuredDocumentRegionProxy) content;
- IStructuredDocumentRegion flatNode = proxy.getStructuredDocumentRegion();
- if (flatNode != null)
- insertStructuredDocumentRegion(flatNode);
- }
- else {
- insertStructuredDocumentRegion(content);
- }
- }
- }
- else {
- insertStructuredDocumentRegion(this.gapStructuredDocumentRegion);
- }
- }
-
- /**
- */
- private void insertStructuredDocumentRegion(IStructuredDocumentRegion newStructuredDocumentRegion) {
- if (newStructuredDocumentRegion == null)
- return; // error
- if (this.parentNode == null)
- return; // error
-
- int newOffset = newStructuredDocumentRegion.getStart();
- int newEnd = newStructuredDocumentRegion.getEnd();
- boolean isEndTag = false;
-
- // find owner node
- NodeImpl ownerNode = null;
- while (this.parentNode != null) {
- if (this.nextNode != null) {
- IStructuredDocumentRegion nextStructuredDocumentRegion = this.nextNode.getStructuredDocumentRegion();
- if (nextStructuredDocumentRegion != null) {
- int nextOffset = nextStructuredDocumentRegion.getStart();
- if (nextOffset == newOffset) { // found
- ownerNode = this.nextNode;
- break;
- }
- if (this.nextNode.getNodeType() == Node.TEXT_NODE) {
- int nextEnd = nextStructuredDocumentRegion.getEnd();
- if (nextOffset < newEnd && nextEnd > newOffset) {
- ownerNode = this.nextNode;
- break;
- }
- }
- }
-
- Node child = this.nextNode.getFirstChild();
- if (child != null) {
- this.parentNode = this.nextNode;
- this.nextNode = (NodeImpl) child;
- continue;
- }
-
- if (this.nextNode.getNodeType() == Node.ELEMENT_NODE) {
- this.parentNode = this.nextNode;
- this.nextNode = null;
- continue;
- }
-
- this.nextNode = (NodeImpl) this.nextNode.getNextSibling();
- if (this.nextNode != null)
- continue;
- }
-
- if (this.parentNode.getNodeType() == Node.ELEMENT_NODE) {
- ElementImpl element = (ElementImpl) this.parentNode;
- IStructuredDocumentRegion endStructuredDocumentRegion = element.getEndStructuredDocumentRegion();
- if (endStructuredDocumentRegion != null) {
- int endOffset = endStructuredDocumentRegion.getStart();
- if (endOffset == newOffset) { // found
- ownerNode = this.parentNode;
- isEndTag = true;
- break;
- }
- }
- }
-
- this.nextNode = (NodeImpl) this.parentNode.getNextSibling();
- this.parentNode = (NodeImpl) this.parentNode.getParentNode();
- }
- if (ownerNode == null)
- throw new StructuredDocumentRegionManagementException();
-
- short nodeType = ownerNode.getNodeType();
- if (nodeType == Node.ELEMENT_NODE) {
- ElementImpl element = (ElementImpl) ownerNode;
- if (isEndTag) {
- element.setEndStructuredDocumentRegion(newStructuredDocumentRegion);
- }
- else {
- element.setStartStructuredDocumentRegion(newStructuredDocumentRegion);
- updateAttrRegions(element, newStructuredDocumentRegion);
- }
- }
- else if (nodeType == Node.TEXT_NODE) {
- TextImpl text = (TextImpl) ownerNode;
- IStructuredDocumentRegion oldStructuredDocumentRegion = text.getStructuredDocumentRegion();
- if (oldStructuredDocumentRegion == null) {
- throw new StructuredDocumentRegionManagementException();
- }
- int oldOffset = oldStructuredDocumentRegion.getStart();
- int oldEnd = oldStructuredDocumentRegion.getEnd();
- if (oldOffset == newOffset && oldEnd == newEnd) {
- text.setStructuredDocumentRegion(newStructuredDocumentRegion);
- return;
- }
-
- if (oldStructuredDocumentRegion instanceof StructuredDocumentRegionProxy) {
- StructuredDocumentRegionProxy proxy = (StructuredDocumentRegionProxy) oldStructuredDocumentRegion;
- if (oldEnd > newEnd) {
- StructuredDocumentRegionContainer container = new StructuredDocumentRegionContainer();
- if (oldOffset == newOffset) {
- container.appendStructuredDocumentRegion(newStructuredDocumentRegion);
- }
- else {
- StructuredDocumentRegionProxy newProxy = new StructuredDocumentRegionProxy();
- newProxy.setOffset(oldOffset);
- newProxy.setLength(newEnd - oldOffset);
- newProxy.setStructuredDocumentRegion(newStructuredDocumentRegion);
- container.appendStructuredDocumentRegion(newProxy);
- }
- proxy.setOffset(newEnd);
- proxy.setLength(oldEnd - newEnd);
- container.appendStructuredDocumentRegion(proxy);
- text.setStructuredDocumentRegion(container);
- }
- else {
- proxy.setStructuredDocumentRegion(newStructuredDocumentRegion);
-
- if (oldEnd < newEnd) { // to be shared
- this.nextNode = (NodeImpl) text.getNextSibling();
- insertStructuredDocumentRegion(newStructuredDocumentRegion);
- }
- }
- return;
- }
-
- if (oldStructuredDocumentRegion instanceof StructuredDocumentRegionContainer) {
- StructuredDocumentRegionContainer container = (StructuredDocumentRegionContainer) oldStructuredDocumentRegion;
- int count = container.getStructuredDocumentRegionCount();
- for (int i = 0; i < count; i++) {
- IStructuredDocumentRegion content = container.getStructuredDocumentRegion(i);
- if (content == null)
- continue; // error
- int offset = content.getStart();
- int end = content.getEnd();
- if (end <= newOffset)
- continue;
- if (offset == newOffset && end == newEnd) {
- container.replaceStructuredDocumentRegion(newStructuredDocumentRegion, i);
- return;
- }
-
- if (content instanceof StructuredDocumentRegionProxy) {
- StructuredDocumentRegionProxy proxy = (StructuredDocumentRegionProxy) content;
- if (end > newEnd) {
- if (offset == newOffset) {
- container.insertStructuredDocumentRegion(newStructuredDocumentRegion, i);
- }
- else {
- StructuredDocumentRegionProxy newProxy = new StructuredDocumentRegionProxy();
- newProxy.setOffset(offset);
- newProxy.setLength(newEnd - offset);
- newProxy.setStructuredDocumentRegion(newStructuredDocumentRegion);
- container.insertStructuredDocumentRegion(newProxy, i);
- }
- proxy.setOffset(newEnd);
- proxy.setLength(end - newEnd);
- return;
- }
- else {
- proxy.setStructuredDocumentRegion(newStructuredDocumentRegion);
- if (end == newEnd)
- return;
- }
- }
- }
-
- if (oldEnd < newEnd) { // to be shared
- this.nextNode = (NodeImpl) text.getNextSibling();
- insertStructuredDocumentRegion(newStructuredDocumentRegion);
- }
- return;
- }
- else {
- throw new StructuredDocumentRegionManagementException();
- }
- }
- else {
- ownerNode.setStructuredDocumentRegion(newStructuredDocumentRegion);
- }
- }
-
- private void removeGapStructuredDocumentRegion(IStructuredDocumentRegion oldStructuredDocumentRegion) {
- if (this.gapStructuredDocumentRegion == null)
- return;
-
- if (this.gapStructuredDocumentRegion == oldStructuredDocumentRegion) {
- this.gapStructuredDocumentRegion = null;
- return;
- }
-
- if (this.gapStructuredDocumentRegion instanceof StructuredDocumentRegionProxy) {
- StructuredDocumentRegionProxy proxy = (StructuredDocumentRegionProxy) this.gapStructuredDocumentRegion;
- IStructuredDocumentRegion flatNode = proxy.getStructuredDocumentRegion();
- if (flatNode == oldStructuredDocumentRegion)
- this.gapStructuredDocumentRegion = null;
- }
- else if (this.gapStructuredDocumentRegion instanceof StructuredDocumentRegionContainer) {
- StructuredDocumentRegionContainer container = (StructuredDocumentRegionContainer) this.gapStructuredDocumentRegion;
- int count = container.getStructuredDocumentRegionCount();
- for (int i = 0; i < count; i++) {
- IStructuredDocumentRegion content = container.getStructuredDocumentRegion(i);
- if (content == null)
- continue;
- if (content == oldStructuredDocumentRegion) {
- if (count > 1)
- container.removeStructuredDocumentRegion(i);
- else
- this.gapStructuredDocumentRegion = null;
- return;
- }
- if (content instanceof StructuredDocumentRegionProxy) {
- StructuredDocumentRegionProxy proxy = (StructuredDocumentRegionProxy) content;
- if (proxy.getStructuredDocumentRegion() == oldStructuredDocumentRegion) {
- if (count > 1)
- container.removeStructuredDocumentRegion(i);
- else
- this.gapStructuredDocumentRegion = null;
- return;
- }
- }
- }
- }
- }
-
- private void removeStructuredDocumentRegion(IStructuredDocumentRegion oldStructuredDocumentRegion) {
- if (oldStructuredDocumentRegion == null)
- return; // error
- if (this.parentNode == null)
- return; // error
-
- int gapEnd = this.gapOffset + this.gapLength;
- int oldOffset = oldStructuredDocumentRegion.getStart();
- int oldEnd = oldStructuredDocumentRegion.getEnd();
- if (oldOffset >= this.gapOffset && oldEnd <= gapEnd)
- return; // do nothing
- int oldLength = oldEnd - oldOffset;
- if (oldOffset >= gapEnd)
- oldOffset += this.diff;
-
- // find owner node
- NodeImpl ownerNode = null;
- ElementImpl ownerEndTag = null;
- TextImpl ownerText = null;
- while (this.parentNode != null) {
- if (this.nextNode != null) {
- if (this.nextNode.getStructuredDocumentRegion() == oldStructuredDocumentRegion) {
- ownerNode = this.nextNode;
- break;
- }
- if (this.nextNode.getNodeType() == Node.TEXT_NODE) {
- TextImpl text = (TextImpl) this.nextNode;
- if (text.hasStructuredDocumentRegion(oldStructuredDocumentRegion)) {
- ownerNode = this.nextNode;
- ownerText = text;
- break;
- }
- }
-
- Node child = this.nextNode.getFirstChild();
- if (child != null) {
- this.parentNode = this.nextNode;
- this.nextNode = (NodeImpl) child;
- continue;
- }
-
- if (this.nextNode.getNodeType() == Node.ELEMENT_NODE) {
- this.parentNode = this.nextNode;
- this.nextNode = null;
- continue;
- }
-
- this.nextNode = (NodeImpl) this.nextNode.getNextSibling();
- if (this.nextNode != null)
- continue;
- }
-
- if (this.parentNode.getNodeType() == Node.ELEMENT_NODE) {
- ElementImpl element = (ElementImpl) this.parentNode;
- if (element.getEndStructuredDocumentRegion() == oldStructuredDocumentRegion) {
- ownerNode = this.parentNode;
- ownerEndTag = element;
- break;
- }
- }
-
- this.nextNode = (NodeImpl) this.parentNode.getNextSibling();
- this.parentNode = (NodeImpl) this.parentNode.getParentNode();
- }
- if (ownerNode == null)
- throw new StructuredDocumentRegionManagementException();
-
- if (ownerText != null) {
- IStructuredDocumentRegion flatNode = ownerText.getStructuredDocumentRegion();
- if (flatNode == oldStructuredDocumentRegion) {
- IStructuredDocumentRegion newStructuredDocumentRegion = new StructuredDocumentRegionProxy(oldOffset, oldLength);
- ownerText.setStructuredDocumentRegion(newStructuredDocumentRegion);
- return;
- }
-
- if (flatNode instanceof StructuredDocumentRegionProxy) {
- StructuredDocumentRegionProxy proxy = (StructuredDocumentRegionProxy) flatNode;
- if (proxy.getStructuredDocumentRegion() != oldStructuredDocumentRegion) {
- throw new StructuredDocumentRegionManagementException();
- }
- int offset = proxy.getOffset();
- int end = offset + proxy.getLength();
- if (offset >= this.gapOffset) {
- proxy.setOffset(offset + this.diff);
- }
- proxy.setStructuredDocumentRegion(null);
- if (end < oldEnd && (end < this.gapOffset || oldEnd > gapEnd)) { // has
- // shared
- removeStructuredDocumentRegion(oldStructuredDocumentRegion);
- return;
- }
- }
- else if (flatNode instanceof StructuredDocumentRegionContainer) {
- StructuredDocumentRegionContainer container = (StructuredDocumentRegionContainer) flatNode;
- int count = container.getStructuredDocumentRegionCount();
- for (int i = 0; i < count; i++) {
- IStructuredDocumentRegion content = container.getStructuredDocumentRegion(i);
- if (content == null)
- continue; // error
- if (content == oldStructuredDocumentRegion) {
- IStructuredDocumentRegion newStructuredDocumentRegion = new StructuredDocumentRegionProxy(oldOffset, oldLength);
- container.replaceStructuredDocumentRegion(newStructuredDocumentRegion, i);
- return;
- }
-
- if (content instanceof StructuredDocumentRegionProxy) {
- StructuredDocumentRegionProxy proxy = (StructuredDocumentRegionProxy) content;
- if (proxy.getStructuredDocumentRegion() == oldStructuredDocumentRegion) {
- int offset = proxy.getOffset();
- int end = offset + proxy.getLength();
- if (offset >= this.gapOffset) {
- proxy.setOffset(offset + this.diff);
- }
- proxy.setStructuredDocumentRegion(null);
- if (end < oldEnd && (end < this.gapOffset || oldEnd > gapEnd)) { // has
- // shared
- removeStructuredDocumentRegion(oldStructuredDocumentRegion);
- return;
- }
- }
- }
- }
- }
- else {
- throw new StructuredDocumentRegionManagementException();
- }
- }
- else {
- IStructuredDocumentRegion newStructuredDocumentRegion = new StructuredDocumentRegionProxy(oldOffset, oldLength);
- if (ownerEndTag != null) {
- ownerEndTag.setEndStructuredDocumentRegion(newStructuredDocumentRegion);
- }
- else {
- ownerNode.setStructuredDocumentRegion(newStructuredDocumentRegion);
- }
- }
- }
-
- /**
- * replaceAttr method
- *
- * @param ownerElement
- * org.w3c.dom.Element
- * @param newAttr
- * org.w3c.dom.Attr
- * @param oldAttr
- * org.w3c.dom.Attr
- */
- void replaceAttr(Element ownerElement, Attr newAttr, Attr oldAttr) {
- if (ownerElement == null)
- return;
- if (getStructuredDocument() == null)
- return;
-
- ElementImpl element = (ElementImpl) ownerElement;
- if (!element.hasStartTag()) {
- changeStartTag(element);
- return;
- }
- if (element.isCommentTag()) {
- changeStartTag(element);
- return;
- }
-
- int offset = element.getStartOffset();
- int start = offset;
- int end = offset;
-
- boolean insertSpace = false;
- String attrValueClose = null;
- if (oldAttr != null) {
- AttrImpl impl = (AttrImpl) oldAttr;
- ITextRegion nameRegion = impl.getNameRegion();
- if (nameRegion == null)
- return; // must never happen
- ITextRegion lastRegion = impl.getValueRegion();
- if (lastRegion != null) {
- end += lastRegion.getEnd();
- }
- else {
- lastRegion = impl.getEqualRegion();
- if (lastRegion != null) {
- end += lastRegion.getEnd();
- }
- else {
- end += nameRegion.getEnd();
- lastRegion = nameRegion;
- }
- }
- // check there are extra space before the last attribute
- IStructuredDocumentRegion flatNode = element.getStartStructuredDocumentRegion();
- if (flatNode == null)
- return; // must never happen
- ITextRegionList regions = flatNode.getRegions();
- if (regions == null)
- return; // must never happen
- ITextRegion prevRegion = null;
- ITextRegion nextRegion = null;
- for (int i = 0; i < regions.size(); i++) {
- ITextRegion region = regions.get(i);
- if (region == nameRegion) {
- if (i > 0) {
- prevRegion = regions.get(i - 1);
- }
- }
- if (region == lastRegion) {
- if (i + 1 < regions.size()) {
- nextRegion = regions.get(i + 1);
- }
- break;
- }
- }
- boolean isLastAttr = false;
- if (nextRegion != null) {
- String regionType = nextRegion.getType();
- if (regionType == DOMRegionContext.XML_TAG_CLOSE || regionType == DOMRegionContext.XML_EMPTY_TAG_CLOSE || isNestedTagClose(regionType)) {
- isLastAttr = true;
- }
- }
- if (isLastAttr && prevRegion != null) {
- start += prevRegion.getTextEnd();
- }
- else {
- start += nameRegion.getStart();
- }
-
- // impl.resetRegions(ownerElement);
- impl.resetRegions(element);
- }
- else { // append attribute
- IStructuredDocumentRegion flatNode = element.getStartStructuredDocumentRegion();
- if (flatNode == null)
- return; // must never happen
-
- attrValueClose = getAttrValueClose(element);
- if (attrValueClose != null && attrValueClose.length() > 0) {
- insertSpace = true;
- start = flatNode.getEndOffset();
- end = start;
- }
- else {
- ITextRegionList regions = flatNode.getRegions();
- if (regions == null)
- return; // must never happen
- int attrStart = 0;
- for (int i = regions.size() - 1; i >= 0; i--) {
- ITextRegion region = regions.get(i);
- String regionType = region.getType();
- if (regionType == DOMRegionContext.XML_TAG_CLOSE || regionType == DOMRegionContext.XML_EMPTY_TAG_CLOSE || isNestedTagClose(regionType))
- continue;
- int regionEnd = region.getEnd();
- if (regionEnd == region.getTextEnd())
- insertSpace = true;
- attrStart = regionEnd;
- break;
- }
- if (attrStart == 0)
- return; // not found, must never happen
- start += attrStart;
- end = start;
- }
- }
-
- String source = null;
- if (newAttr != null) {
- int size = 2;
- if (attrValueClose != null)
- size += attrValueClose.length();
- String name = this.generator.generateAttrName(newAttr);
- if (name != null)
- size += name.length();
- String value = this.generator.generateAttrValue(newAttr);
- if (value != null)
- size += value.length();
- StringBuffer buffer = new StringBuffer(size);
- if (attrValueClose != null)
- buffer.append(attrValueClose);
- if (insertSpace)
- buffer.append(' ');
- buffer.append(name);
- if (value != null) {
- buffer.append('=');
- buffer.append(value);
- }
- source = buffer.toString();
- }
-
- replaceSource(source, start, end);
- }
-
- protected boolean isNestedTagClose(String regionType) {
- boolean result = false;
- return result;
- }
-
- /**
- * replaceChild method
- *
- * @param parentNode
- * org.w3c.dom.Node
- * @param newChild
- * org.w3c.dom.Node
- * @param oldChild
- * org.w3c.dom.Node
- */
- void replaceChild(Node parentNode, Node newChild, Node oldChild) {
- if (parentNode == null)
- return;
- if (newChild == null && oldChild == null)
- return;
- if (getStructuredDocument() == null)
- return;
-
- int start = 0;
- int end = 0;
- String preTag = null;
- String postTag = null;
- ElementImpl postElement = null;
- if (oldChild != null) {
- NodeImpl node = (NodeImpl) oldChild;
- start = node.getStartOffset();
- end = node.getEndOffset();
- if (oldChild.getNodeType() == Node.TEXT_NODE) {
- this.gapStructuredDocumentRegion = node.getStructuredDocumentRegion();
- }
- node.resetStructuredDocumentRegions(); // reset values from
- // IStructuredDocumentRegion
- }
- else {
- NodeImpl prev = (NodeImpl) newChild.getPreviousSibling();
- if (prev != null) {
- start = prev.getEndOffset();
- end = start;
- preTag = getCloseTag(prev);
- }
- else {
- // first child
- NodeImpl next = (NodeImpl) newChild.getNextSibling();
- if (next != null) {
- start = next.getStartOffset();
- end = start;
- if (parentNode.getNodeType() == Node.ELEMENT_NODE) {
- preTag = getStartCloseTag((IDOMElement) parentNode);
- }
- }
- else {
- // newly having a child
- if (parentNode.getNodeType() == Node.ELEMENT_NODE) {
- ElementImpl element = (ElementImpl) parentNode;
- if (element.isEmptyTag()) { // empty tag format
- // need to generate the start and the end tags
- end = element.getEndOffset();
- start = end - 2; // for "/>"
- element.setEmptyTag(false);
- preTag = this.generator.generateCloseTag(element);
- postTag = this.generator.generateEndTag(element);
- postElement = element;
- }
- else if (!element.hasStartTag()) {
- start = element.getStartOffset();
- end = start;
- // invalid end tag or implicit tag
- // need to generate the start tag
- preTag = this.generator.generateStartTag(element);
- if (preTag != null) {
- int length = preTag.length();
- if (length > 0) {
- IStructuredDocumentRegion flatNode = new StructuredDocumentRegionProxy(start, length);
- element.setStartStructuredDocumentRegion(flatNode);
- }
- }
- if (!element.hasEndTag()) {
- // implicit tag
- // need to generate the end tags
- postTag = this.generator.generateEndTag(element);
- postElement = element;
- }
- }
- else {
- start = element.getStartEndOffset();
- end = start;
- preTag = getStartCloseTag(element);
- if (preTag != null && preTag.length() > 0) {
- if (!element.hasEndTag() && (element.isJSPContainer() || element.isCDATAContainer())) {
- // need to generate the end tag
- postTag = this.generator.generateEndTag(element);
- postElement = element;
- }
- }
- }
- }
- // else might DOCUMENT_NODE, start and end are 0
- }
- }
- }
-
- String source = null;
- if (newChild != null) {
- StringBuffer buffer = new StringBuffer();
- int offset = start;
- if (preTag != null) {
- int length = preTag.length();
- if (length > 0) {
- offset += length;
- buffer.append(preTag);
- }
- }
-
- NodeImpl node = (NodeImpl) newChild;
- while (node != null) {
- if (node.getNodeType() == Node.ELEMENT_NODE) {
- ElementImpl element = (ElementImpl) node;
- if (element.preferEmptyTag())
- element.setEmptyTag(true);
- IStructuredDocumentRegion flatNode = null;
- String startTag = this.generator.generateStartTag(element);
- if (startTag != null) {
- int length = startTag.length();
- if (length > 0) {
- buffer.append(startTag);
- flatNode = new StructuredDocumentRegionProxy(offset, length);
- offset += length;
- }
- }
- element.setStartStructuredDocumentRegion(flatNode);
- }
- else {
- String content = this.generator.generateSource(node);
- if (content == null)
- content = new String();
- int length = content.length();
- IStructuredDocumentRegion flatNode = null;
- if (length > 0) {
- buffer.append(content);
- flatNode = new StructuredDocumentRegionProxy(offset, length);
- offset += length;
- }
- node.setStructuredDocumentRegion(flatNode);
- }
-
- NodeImpl child = (NodeImpl) node.getFirstChild();
- if (child != null) {
- node = child;
- continue;
- }
-
- if (node.getNodeType() == Node.ELEMENT_NODE) {
- ElementImpl element = (ElementImpl) node;
- IStructuredDocumentRegion flatNode = null;
- String endTag = this.generator.generateEndTag(element);
- if (endTag != null) {
- int length = endTag.length();
- if (length > 0) {
- buffer.append(endTag);
- flatNode = new StructuredDocumentRegionProxy(offset, length);
- offset += length;
- }
- }
- element.setEndStructuredDocumentRegion(flatNode);
- }
-
- while (node != null) {
- if (node == newChild) {
- node = null;
- break;
- }
- NodeImpl next = (NodeImpl) node.getNextSibling();
- if (next != null) {
- node = next;
- break;
- }
-
- node = (NodeImpl) node.getParentNode();
- if (node.getNodeType() != Node.ELEMENT_NODE)
- continue;
- ElementImpl element = (ElementImpl) node;
- IStructuredDocumentRegion flatNode = null;
- String endTag = this.generator.generateEndTag(element);
- if (endTag != null) {
- int length = endTag.length();
- if (length > 0) {
- buffer.append(endTag);
- flatNode = new StructuredDocumentRegionProxy(offset, length);
- offset += length;
- }
- }
- element.setEndStructuredDocumentRegion(flatNode);
- }
- }
-
- if (postTag != null) {
- int length = postTag.length();
- if (length > 0) {
- buffer.append(postTag);
- if (postElement != null) {
- IStructuredDocumentRegion flatNode = new StructuredDocumentRegionProxy(offset, length);
- postElement.setEndStructuredDocumentRegion(flatNode);
- }
- }
- }
- source = buffer.toString();
- }
-
- if (start == end && (source == null || source.length() == 0)) {
- // no thing changed
- return;
- }
-
- replaceSource(source, start, end);
- }
-
- void replaceRegions(IStructuredDocumentRegion flatNode, ITextRegionList newRegions, ITextRegionList oldRegions) {
- // future_TODO: optimize
-
- NodeImpl root = (NodeImpl) this.model.getDocument();
- this.parentNode = root;
- this.nextNode = (NodeImpl) root.getFirstChild();
-
- removeGapStructuredDocumentRegion(flatNode);
- insertGapStructuredDocumentRegionBefore(flatNode.getStart());
- changeStructuredDocumentRegion(flatNode);
- insertGapStructuredDocumentRegionAfter(flatNode.getEnd());
- }
-
- /**
- * Wraps IStructuredDocumentRegion.replaceText() and sets contextual
- * information.
- */
- private void replaceSource(String source, int start, int end) {
- int inserted = 0;
- if (source == null)
- source = new String();
- else
- inserted = source.length();
- int removed = end - start;
- if (inserted == 0 && removed == 0)
- return;
-
- this.gapOffset = start;
- this.gapLength = removed;
- this.diff = inserted - removed;
- // Note: due to bug
- // https://w3.opensource.ibm.com/bugzilla/show_bug.cgi?id=3619
- // for now assume "ignore readonly" region is ok -- assume DOM itself
- // checks if
- // ok to insert or not. In reality, we may have to make or "contains"
- // method more
- // better. Or, we may have to "perculate up" the parameter for clients
- // to tell us programatically
- // that its ok to insert/format in a read-only region.
- getStructuredDocument().replaceText(this.model, this.gapOffset, this.gapLength, source, true);
- }
-
- void replaceStructuredDocumentRegions(IStructuredDocumentRegionList newStructuredDocumentRegions, IStructuredDocumentRegionList oldStructuredDocumentRegions) {
- NodeImpl root = (NodeImpl) this.model.getDocument();
-
- if (oldStructuredDocumentRegions != null) {
- this.parentNode = root;
- this.nextNode = (NodeImpl) root.getFirstChild();
-
- Enumeration e = oldStructuredDocumentRegions.elements();
- while (e.hasMoreElements()) {
- IStructuredDocumentRegion flatNode = (IStructuredDocumentRegion) e.nextElement();
- if (flatNode == null)
- continue;
- removeStructuredDocumentRegion(flatNode);
- removeGapStructuredDocumentRegion(flatNode);
- }
- }
-
- if (newStructuredDocumentRegions != null) {
- this.parentNode = root;
- this.nextNode = (NodeImpl) root.getFirstChild();
-
- IStructuredDocumentRegion lastStructuredDocumentRegion = null;
- Enumeration e = newStructuredDocumentRegions.elements();
- while (e.hasMoreElements()) {
- IStructuredDocumentRegion flatNode = (IStructuredDocumentRegion) e.nextElement();
- if (flatNode == null)
- continue;
- if (lastStructuredDocumentRegion == null)
- insertGapStructuredDocumentRegionBefore(flatNode.getStart());
- insertStructuredDocumentRegion(flatNode);
- lastStructuredDocumentRegion = flatNode;
- }
- if (lastStructuredDocumentRegion != null) {
- insertGapStructuredDocumentRegionAfter(lastStructuredDocumentRegion.getEnd());
- }
- else {
- insertGapStructuredDocumentRegionBefore(this.gapOffset);
- // make sure to restore all backuped StructuredDocumentRegions
- insertGapStructuredDocumentRegionAfter(this.gapOffset);
- }
- }
- else {
- this.parentNode = root;
- this.nextNode = (NodeImpl) root.getFirstChild();
-
- insertGapStructuredDocumentRegionBefore(this.gapOffset);
- // make sure to restore all backuped StructuredDocumentRegions
- insertGapStructuredDocumentRegionAfter(this.gapOffset);
- }
- }
-
- /**
- */
- private void updateAttrRegions(Element element, IStructuredDocumentRegion flatNode) {
-
- // update attributes
- ITextRegionList regions = flatNode.getRegions();
- if (regions == null)
- return;
- NamedNodeMap attributes = element.getAttributes();
- if (attributes == null)
- return;
- int index = -1;
- AttrImpl attr = null;
- Iterator e = regions.iterator();
- while (e.hasNext()) {
- ITextRegion region = (ITextRegion) e.next();
- String regionType = region.getType();
- if (regionType == DOMRegionContext.XML_TAG_ATTRIBUTE_NAME) {
- attr = (AttrImpl) attributes.item(++index);
- if (attr != null) {
- attr.setNameRegion(region);
- // reset other regions
- attr.setEqualRegion(null);
- attr.setValueRegion(null);
- }
- }
- else if (regionType == DOMRegionContext.XML_TAG_ATTRIBUTE_EQUALS) {
- if (attr != null)
- attr.setEqualRegion(region);
- }
- else if (regionType == DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE) {
- if (attr != null) {
- attr.setValueRegion(region);
- attr = null;
- }
- }
- }
- }
-}

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