diff options
Diffstat (limited to 'bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/TextImpl.java')
| -rw-r--r-- | bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/TextImpl.java | 1182 |
1 files changed, 0 insertions, 1182 deletions
diff --git a/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/TextImpl.java b/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/TextImpl.java deleted file mode 100644 index b055732978..0000000000 --- a/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/TextImpl.java +++ /dev/null @@ -1,1182 +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 - * - * Balazs Banfai: Bug 154737 getUserData/setUserData support for Node - * https://bugs.eclipse.org/bugs/show_bug.cgi?id=154737 - * - *******************************************************************************/ -package org.eclipse.wst.xml.core.internal.document; - - - -import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; -import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion; -import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel; -import org.eclipse.wst.xml.core.internal.provisional.document.IDOMText; -import org.eclipse.wst.xml.core.internal.provisional.document.ISourceGenerator; -import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext; -import org.w3c.dom.DOMException; -import org.w3c.dom.Document; -import org.w3c.dom.Node; -import org.w3c.dom.Text; -import org.w3c.dom.UserDataHandler; - - -/** - * TextImpl class - */ -public class TextImpl extends CharacterDataImpl implements IDOMText { - - /** - */ - private class StringPair { - private String fFirst = null; - private String fSecond = null; - - StringPair(String first, String second) { - this.fFirst = first; - this.fSecond = second; - } - - String getFirst() { - return this.fFirst; - } - - String getSecond() { - return this.fSecond; - } - } - - private String fSource = null; - - /** - * TextImpl constructor - */ - protected TextImpl() { - super(); - } - - /** - * TextImpl constructor - * - * @param that - * TextImpl - */ - protected TextImpl(TextImpl that) { - super(that); - - if (that != null) { - this.fSource = that.getSource(); - } - } - - /** - * appendData method - * - * @param arg - * java.lang.String - */ - public void appendData(String arg) throws DOMException { - if (arg == null || arg.length() == 0) - return; - - if (!isDataEditable()) { - throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, new String()); - } - - String newSource = getSource(arg); - if (newSource == null) - return; - String source = getSource(); - if (source != null) - setTextSource(source + newSource); - else - setTextSource(newSource); - } - - /** - */ - IStructuredDocumentRegion appendStructuredDocumentRegion(IStructuredDocumentRegion newStructuredDocumentRegion) { - if (newStructuredDocumentRegion == null) - return null; - - IStructuredDocumentRegion flatNode = getStructuredDocumentRegion(); - if (flatNode == null) { - setStructuredDocumentRegion(newStructuredDocumentRegion); - return newStructuredDocumentRegion; - } - - if (flatNode instanceof StructuredDocumentRegionContainer) { - StructuredDocumentRegionContainer container = (StructuredDocumentRegionContainer) flatNode; - container.appendStructuredDocumentRegion(newStructuredDocumentRegion); - } - else { - StructuredDocumentRegionContainer container = new StructuredDocumentRegionContainer(); - container.appendStructuredDocumentRegion(flatNode); - container.appendStructuredDocumentRegion(newStructuredDocumentRegion); - setStructuredDocumentRegion(container); - } - - return newStructuredDocumentRegion; - } - - /** - * appendText method - * - * @param text - * org.w3c.dom.Text - */ - public void appendText(Text newText) { - if (newText == null) - return; - - if (!isDataEditable()) { - throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, new String()); - } - - TextImpl text = (TextImpl) newText; - String newSource = text.getSource(); - if (newSource == null && newSource.length() == 0) - return; - String source = getSource(); - if (source != null) - setTextSource(source + newSource); - else - setTextSource(newSource); - } - - /** - * cloneNode method - * - * @return org.w3c.dom.Node - * @param deep - * boolean - */ - public Node cloneNode(boolean deep) { - TextImpl cloned = new TextImpl(this); - notifyUserDataHandlers(UserDataHandler.NODE_CLONED, cloned); - return cloned; - } - - /** - * deleteData method - * - * @param offset - * int - * @param count - * int - */ - public void deleteData(int offset, int count) throws DOMException { - if (count == 0) - return; - if (!isDataEditable()) { - throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, new String()); - } - if (count < 0 || offset < 0) { - throw new DOMException(DOMException.INDEX_SIZE_ERR, new String()); - } - - String source = getSource(); - if (source == null || source.length() == 0) { - throw new DOMException(DOMException.INDEX_SIZE_ERR, new String()); - } - StringPair pair = substringSourceExcluded(source, offset, count); - if (pair == null) - return; - source = null; - String first = pair.getFirst(); - if (first != null) - source = first; - String second = pair.getSecond(); - if (second != null) { - if (source != null) - source += second; - else - source = second; - } - if (source == null) - source = new String(); // delete all - setTextSource(source); - } - - /** - * getData method - * - * @return java.lang.String - */ - public String getData() throws DOMException { - if (this.fSource != null) - return getData(this.fSource); - String data = super.getData(); - if (data != null) - return data; - return getData(getStructuredDocumentRegion()); - } - - /** - */ - private String getData(IStructuredDocumentRegion flatNode) { - if (flatNode == null) - return new String(); - - if (flatNode instanceof StructuredDocumentRegionContainer) { - StructuredDocumentRegionContainer container = (StructuredDocumentRegionContainer) flatNode; - int length = container.getLength(); - if (length < 16) - length = 16; // default - StringBuffer buffer = new StringBuffer(length); - int count = container.getStructuredDocumentRegionCount(); - for (int i = 0; i < count; i++) { - IStructuredDocumentRegion content = container.getStructuredDocumentRegion(i); - String data = getData(content); - if (data == null) - continue; - buffer.append(data); - } - return buffer.toString(); - } - - if (flatNode instanceof StructuredDocumentRegionProxy) { - return flatNode.getText(); - } - - ITextRegion region = StructuredDocumentRegionUtil.getFirstRegion(flatNode); - if (region != null) { - String regionType = region.getType(); - if (regionType == DOMRegionContext.XML_ENTITY_REFERENCE || regionType == DOMRegionContext.XML_CHAR_REFERENCE) { - String name = StructuredDocumentRegionUtil.getEntityRefName(flatNode, region); - if (name != null) { - DocumentImpl document = (DocumentImpl) getOwnerDocument(); - if (document != null) { - String value = document.getCharValue(name); - if (value != null) - return value; - } - } - } - } - - return flatNode.getText(); - } - - /** - * Returns data for the source - */ - private String getData(String source) { - if (source == null) - return null; - StringBuffer buffer = null; - int offset = 0; - int length = source.length(); - int ref = source.indexOf('&'); - while (ref >= 0) { - int end = source.indexOf(';', ref + 1); - if (end > ref + 1) { - String name = source.substring(ref + 1, end); - String value = getCharValue(name); - if (value != null) { - if (buffer == null) - buffer = new StringBuffer(length); - if (ref > offset) - buffer.append(source.substring(offset, ref)); - buffer.append(value); - offset = end + 1; - ref = end; - } - } - ref = source.indexOf('&', ref + 1); - } - if (buffer == null) - return source; - if (length > offset) - buffer.append(source.substring(offset)); - return buffer.toString(); - } - - /** - * getFirstStructuredDocumentRegion method - * - */ - public IStructuredDocumentRegion getFirstStructuredDocumentRegion() { - return StructuredDocumentRegionUtil.getFirstStructuredDocumentRegion(getStructuredDocumentRegion()); - } - - /** - * getLastStructuredDocumentRegion method - * - */ - public IStructuredDocumentRegion getLastStructuredDocumentRegion() { - return StructuredDocumentRegionUtil.getLastStructuredDocumentRegion(getStructuredDocumentRegion()); - } - - /** - * getNodeName method - * - * @return java.lang.String - */ - public String getNodeName() { - return "#text";//$NON-NLS-1$ - } - - /** - * getNodeType method - * - * @return short - */ - public short getNodeType() { - return TEXT_NODE; - } - - /** - */ - public String getSource() { - if (this.fSource != null) - return this.fSource; - String data = super.getData(); - if (data != null && data.length() > 0) { - String source = getSource(data); - if (source != null) - return source; - } - return super.getSource(); - } - - /** - * Returns source for the data - */ - private String getSource(String data) { - if (data == null) - return null; - IDOMModel model = getModel(); - if (model == null) - return null; // error - ISourceGenerator generator = model.getGenerator(); - if (generator == null) - return null; // error - return generator.generateTextData(this, data); - } - - /** - */ - String getTextSource() { - return this.fSource; - } - - /** - */ - public String getValueSource() { - return getSource(); - } - - /** - */ - boolean hasStructuredDocumentRegion(IStructuredDocumentRegion askedStructuredDocumentRegion) { - if (askedStructuredDocumentRegion == null) - return false; - - IStructuredDocumentRegion flatNode = getStructuredDocumentRegion(); - if (flatNode == null) - return false; - - if (flatNode == askedStructuredDocumentRegion) - return true; - - if (flatNode instanceof StructuredDocumentRegionProxy) { - StructuredDocumentRegionProxy proxy = (StructuredDocumentRegionProxy) flatNode; - if (proxy.getStructuredDocumentRegion() == askedStructuredDocumentRegion) - return true; - return false; - } - - 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; - if (content == askedStructuredDocumentRegion) - return true; - if (content instanceof StructuredDocumentRegionProxy) { - StructuredDocumentRegionProxy proxy = (StructuredDocumentRegionProxy) content; - if (proxy.getStructuredDocumentRegion() == askedStructuredDocumentRegion) - return true; - } - } - return false; - } - - return false; - } - - /** - * insertData method - * - * @param offset - * int - * @param arg - * java.lang.String - */ - public void insertData(int offset, String arg) throws DOMException { - if (arg == null || arg.length() == 0) - return; - if (!isDataEditable()) { - throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, new String()); - } - if (offset < 0) { - throw new DOMException(DOMException.INDEX_SIZE_ERR, new String()); - } - - String source = getSource(); - if (source == null || source.length() == 0) { - if (offset > 0) { - throw new DOMException(DOMException.INDEX_SIZE_ERR, new String()); - } - source = getSource(arg); - if (source != null) - setTextSource(source); - return; - } - - StringPair pair = substringSourceExcluded(source, offset, 0); - if (pair == null) - return; // error - StringBuffer buffer = new StringBuffer(source.length() + arg.length()); - String first = pair.getFirst(); - if (first != null) - buffer.append(first); - source = getSource(arg); - if (source != null) - buffer.append(source); - String second = pair.getSecond(); - if (second != null) - buffer.append(second); - setTextSource(buffer.toString()); - } - - /** - */ - IStructuredDocumentRegion insertStructuredDocumentRegion(IStructuredDocumentRegion newStructuredDocumentRegion, IStructuredDocumentRegion nextStructuredDocumentRegion) { - if (newStructuredDocumentRegion == null) - return null; - if (nextStructuredDocumentRegion == null) - return appendStructuredDocumentRegion(newStructuredDocumentRegion); - - IStructuredDocumentRegion flatNode = getStructuredDocumentRegion(); - if (flatNode == null) - return null; // error - - if (flatNode == nextStructuredDocumentRegion) { - StructuredDocumentRegionContainer container = new StructuredDocumentRegionContainer(); - container.appendStructuredDocumentRegion(newStructuredDocumentRegion); - container.appendStructuredDocumentRegion(flatNode); - setStructuredDocumentRegion(container); - return newStructuredDocumentRegion; - } - - 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 == nextStructuredDocumentRegion) { - container.insertStructuredDocumentRegion(newStructuredDocumentRegion, i); - return newStructuredDocumentRegion; - } - } - return null; // error - } - - return null; // error - } - - /** - * insertText method - * - * @param text - * org.w3c.dom.Text - * @param offset - * int - */ - public void insertText(Text newText, int offset) throws DOMException { - if (newText == null) - return; - if (!isDataEditable()) { - throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, new String()); - } - TextImpl text = (TextImpl) newText; - String newSource = text.getSource(); - if (newSource == null && newSource.length() == 0) - return; - if (offset < 0) { - throw new DOMException(DOMException.INDEX_SIZE_ERR, new String()); - } - - String source = getSource(); - if (source == null || source.length() == 0) { - if (offset > 0) { - throw new DOMException(DOMException.INDEX_SIZE_ERR, new String()); - } - setTextSource(newSource); - return; - } - - StringPair pair = substringSourceExcluded(source, offset, 0); - if (pair == null) - return; // error - StringBuffer buffer = new StringBuffer(source.length() + newSource.length()); - String first = pair.getFirst(); - if (first != null) - buffer.append(first); - buffer.append(newSource); - String second = pair.getSecond(); - if (second != null) - buffer.append(second); - setTextSource(buffer.toString()); - } - - /** - * isCDATAContent method - * - * @return boolean - */ - public boolean isCDATAContent() { - Node parent = getParentNode(); - if (parent == null || parent.getNodeType() != Node.ELEMENT_NODE) - return false; - ElementImpl element = (ElementImpl) parent; - return element.isCDATAContainer(); - } - - /** - */ - public boolean isInvalid() { - return isInvalid(getStructuredDocumentRegion()); - } - - /** - */ - private boolean isInvalid(IStructuredDocumentRegion flatNode) { - if (flatNode == null) - return false; - - 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 (isInvalid(content)) - return true; - } - return false; - } - - if (flatNode instanceof StructuredDocumentRegionProxy) { - StructuredDocumentRegionProxy proxy = (StructuredDocumentRegionProxy) flatNode; - return isInvalid(proxy.getStructuredDocumentRegion()); - } - - String regionType = StructuredDocumentRegionUtil.getFirstRegionType(flatNode); - if (regionType != DOMRegionContext.XML_CONTENT && isNotNestedContent(regionType) && regionType != DOMRegionContext.XML_ENTITY_REFERENCE && regionType != DOMRegionContext.XML_CHAR_REFERENCE && regionType != DOMRegionContext.BLOCK_TEXT && regionType != DOMRegionContext.WHITE_SPACE) { - return true; - } - - return false; - } - - protected boolean isNotNestedContent(String regionType) { - boolean result = true; - return result; - } - - /** - */ - boolean isSharingStructuredDocumentRegion(IStructuredDocumentRegion sharedStructuredDocumentRegion) { - if (sharedStructuredDocumentRegion == null) - return false; - - IStructuredDocumentRegion flatNode = getStructuredDocumentRegion(); - if (flatNode == null) - return false; - - if (flatNode == sharedStructuredDocumentRegion) - return false; - - if (flatNode instanceof StructuredDocumentRegionProxy) { - StructuredDocumentRegionProxy proxy = (StructuredDocumentRegionProxy) flatNode; - if (proxy.getStructuredDocumentRegion() == sharedStructuredDocumentRegion) - return true; - return false; - } - - 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; - if (content == sharedStructuredDocumentRegion) - return false; - if (content instanceof StructuredDocumentRegionProxy) { - StructuredDocumentRegionProxy proxy = (StructuredDocumentRegionProxy) content; - if (proxy.getStructuredDocumentRegion() == sharedStructuredDocumentRegion) - return true; - } - } - return false; - } - - return false; - } - - /** - * Returns whether this text node contains <a - * href='http://www.w3.org/TR/2004/REC-xml-infoset-20040204#infoitem.character'> - * element content whitespace</a>, often abusively called "ignorable - * whitespace". The text node is determined to contain whitespace in - * element content during the load of the document or if validation occurs - * while using <code>Document.normalizeDocument()</code>. - * - * @see DOM Level 3 - */ - public boolean isElementContentWhitespace() { - return isWhitespace(); - } - - /** - */ - public boolean isWhitespace() { - String data = getData(); - if (data == null) - return true; - int length = data.length(); - for (int i = 0; i < length; i++) { - if (!Character.isWhitespace(data.charAt(i))) - return false; - } - return true; - } - - /** - */ - IStructuredDocumentRegion removeStructuredDocumentRegion(IStructuredDocumentRegion oldStructuredDocumentRegion) { - if (oldStructuredDocumentRegion == null) - return null; - - IStructuredDocumentRegion flatNode = getStructuredDocumentRegion(); - if (flatNode == null) - return null; // error - - if (flatNode == oldStructuredDocumentRegion) { - setStructuredDocumentRegion(null); - return oldStructuredDocumentRegion; - } - - if (flatNode instanceof StructuredDocumentRegionProxy) { - StructuredDocumentRegionProxy proxy = (StructuredDocumentRegionProxy) flatNode; - if (proxy.getStructuredDocumentRegion() == oldStructuredDocumentRegion) { - // removed with proxy - setStructuredDocumentRegion(null); - return oldStructuredDocumentRegion; - } - return null; // error - } - - 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 == oldStructuredDocumentRegion) { - container.removeStructuredDocumentRegion(i); - if (container.getStructuredDocumentRegionCount() == 1) { - // get back to single IStructuredDocumentRegion - setStructuredDocumentRegion(container.getStructuredDocumentRegion(0)); - } - return oldStructuredDocumentRegion; - } - - if (content instanceof StructuredDocumentRegionProxy) { - StructuredDocumentRegionProxy proxy = (StructuredDocumentRegionProxy) content; - if (proxy.getStructuredDocumentRegion() == oldStructuredDocumentRegion) { - // removed with proxy - container.removeStructuredDocumentRegion(i); - if (container.getStructuredDocumentRegionCount() == 1) { - // get back to single IStructuredDocumentRegion - setStructuredDocumentRegion(container.getStructuredDocumentRegion(0)); - } - return oldStructuredDocumentRegion; - } - } - } - return null; // error - } - - return null; // error - } - - /** - * replaceData method - * - * @param offset - * int - * @param count - * int - * @param arg - * java.lang.String - */ - public void replaceData(int offset, int count, String arg) throws DOMException { - if (!isDataEditable()) { - throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, new String()); - } - if (arg == null || arg.length() == 0) { - deleteData(offset, count); - return; - } - if (count == 0) { - insertData(offset, arg); - return; - } - if (offset < 0 || count < 0) { - throw new DOMException(DOMException.INDEX_SIZE_ERR, new String()); - } - - String source = getSource(); - if (source == null || source.length() == 0) { - throw new DOMException(DOMException.INDEX_SIZE_ERR, new String()); - } - - StringPair pair = substringSourceExcluded(source, offset, count); - if (pair == null) - return; // error - StringBuffer buffer = new StringBuffer(source.length() + arg.length()); - String first = pair.getFirst(); - if (first != null) - buffer.append(first); - source = getSource(arg); - if (source != null) - buffer.append(source); - String second = pair.getSecond(); - if (second != null) - buffer.append(second); - setTextSource(buffer.toString()); - } - - /** - */ - IStructuredDocumentRegion replaceStructuredDocumentRegion(IStructuredDocumentRegion newStructuredDocumentRegion, IStructuredDocumentRegion oldStructuredDocumentRegion) { - if (oldStructuredDocumentRegion == null) - return null; - if (newStructuredDocumentRegion == null) - return removeStructuredDocumentRegion(oldStructuredDocumentRegion); - - IStructuredDocumentRegion flatNode = getStructuredDocumentRegion(); - if (flatNode == null) - return null; // error - - if (flatNode == oldStructuredDocumentRegion) { - setStructuredDocumentRegion(newStructuredDocumentRegion); - return oldStructuredDocumentRegion; - } - - if (flatNode instanceof StructuredDocumentRegionProxy) { - StructuredDocumentRegionProxy proxy = (StructuredDocumentRegionProxy) flatNode; - if (proxy.getStructuredDocumentRegion() == oldStructuredDocumentRegion) { - if (newStructuredDocumentRegion instanceof StructuredDocumentRegionProxy) { - // proxy must not be nested - setStructuredDocumentRegion(newStructuredDocumentRegion); - } - else { - proxy.setStructuredDocumentRegion(newStructuredDocumentRegion); - } - return oldStructuredDocumentRegion; - } - return null; // error - } - - 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) { - container.replaceStructuredDocumentRegion(newStructuredDocumentRegion, i); - return oldStructuredDocumentRegion; - } - - if (content instanceof StructuredDocumentRegionProxy) { - StructuredDocumentRegionProxy proxy = (StructuredDocumentRegionProxy) content; - if (proxy.getStructuredDocumentRegion() == oldStructuredDocumentRegion) { - if (newStructuredDocumentRegion instanceof StructuredDocumentRegionProxy) { - // proxy must not be nested - container.replaceStructuredDocumentRegion(newStructuredDocumentRegion, i); - } - else { - proxy.setStructuredDocumentRegion(newStructuredDocumentRegion); - } - return oldStructuredDocumentRegion; - } - } - } - return null; // error - } - - return null; // error - } - - /** - */ - void resetStructuredDocumentRegions() { - String source = getSource(); - if (source != null && source.length() > 0) - this.fSource = source; - super.resetStructuredDocumentRegions(); - } - - /** - * getData method - * - * @return java.lang.String - */ - public void setData(String data) throws DOMException { - if (!isDataEditable()) { - throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, new String()); - } - - this.fSource = null; - super.setData(data); - } - - /** - */ - public void setSource(String source) throws InvalidCharacterException { - if (!isDataEditable()) { - throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, new String()); - } - - SourceValidator validator = new SourceValidator(this); - if (validator.validateSource(source)) - setTextSource(source); - } - - /** - */ - void setStructuredDocumentRegion(IStructuredDocumentRegion flatNode) { - super.setStructuredDocumentRegion(flatNode); - if (flatNode != null) - this.fSource = null; - } - - /** - */ - public void setTextSource(String source) { - if (!isDataEditable()) { - throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, new String()); - } - - this.fSource = source; - - notifyValueChanged(); - } - - /** - */ - public void setValueSource(String source) { - if (!isDataEditable()) { - throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, new String()); - } - - SourceValidator validator = new SourceValidator(this); - setTextSource(validator.convertSource(source)); - } - - /** - * splitText method - * - * @return org.w3c.dom.Text - * @param offset - * int - */ - public Text splitText(int offset) throws DOMException { - if (!isDataEditable()) { - throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, new String()); - } - if (offset < 0) { - throw new DOMException(DOMException.INDEX_SIZE_ERR, new String()); - } - int length = getLength(); - if (offset > length) { - throw new DOMException(DOMException.INDEX_SIZE_ERR, new String()); - } - Document document = getOwnerDocument(); - if (document == null) - return null; - - String source = null; - if (offset < length) { - int count = length - offset; - source = substringSource(offset, count); - deleteData(offset, count); - } - TextImpl text = (TextImpl) document.createTextNode(null); - if (source != null) - text.setTextSource(source); - - Node parent = getParentNode(); - if (parent != null) - parent.insertBefore(text, getNextSibling()); - - return text; - } - - /** - */ - Text splitText(IStructuredDocumentRegion nextStructuredDocumentRegion) { - if (nextStructuredDocumentRegion == null) - return null; - - IStructuredDocumentRegion flatNode = getStructuredDocumentRegion(); - if (flatNode == null || !(flatNode instanceof StructuredDocumentRegionContainer)) - return null; // error - - StructuredDocumentRegionContainer container = (StructuredDocumentRegionContainer) flatNode; - int count = container.getStructuredDocumentRegionCount(); - int index = 0; - for (; index < count; index++) { - if (container.getStructuredDocumentRegion(index) == nextStructuredDocumentRegion) - break; - } - if (index >= count) { - // this is the case nextStructuredDocumentRegion is a new - // IStructuredDocumentRegion - // search gap by offset - int offset = nextStructuredDocumentRegion.getStart(); - for (index = 0; index < count; index++) { - IStructuredDocumentRegion content = container.getStructuredDocumentRegion(index); - if (content == null) - continue; // error - if (content.getStart() >= offset) - break; - } - if (index >= count) - return null; // error - } - if (index == 0) - return this; // nothing to do - - Document document = getOwnerDocument(); - if (document == null) - return null; // error - Node parent = getParentNode(); - if (parent == null) - return null; // error - TextImpl nextText = (TextImpl) document.createTextNode(null); - if (nextText == null) - return null; // error - - for (; index < count; count--) { - nextText.appendStructuredDocumentRegion(container.removeStructuredDocumentRegion(index)); - } - - // normalize IStructuredDocumentRegion - if (index == 1) { - setStructuredDocumentRegion(container.getStructuredDocumentRegion(0)); - } - - parent.insertBefore(nextText, getNextSibling()); - return nextText; - } - - /** - * Retruns data for the range - */ - private String substringData(String data, int offset, int count) throws DOMException { - // sure offset and count are non-negative - if (count == 0) - return new String(); - if (data == null) { - throw new DOMException(DOMException.INDEX_SIZE_ERR, new String()); - } - int length = data.length(); - if (offset > length) { - throw new DOMException(DOMException.INDEX_SIZE_ERR, new String()); - } - int end = offset + count; - if (end > length) { - throw new DOMException(DOMException.INDEX_SIZE_ERR, new String()); - } - return data.substring(offset, end); - } - - /** - * Returns source for the range specified by: offset: data offset count: - * data count - */ - private String substringSource(int offset, int count) throws DOMException { - // sure offset and count are non-negative - if (this.fSource != null) - return substringSource(this.fSource, offset, count); - - String data = super.getData(); - if (data != null && data.length() > 0) { - data = substringData(data, offset, count); - if (data == null) - return new String(); - String source = getSource(data); - if (source != null) - return source; - } - - return substringSource(getSource(), offset, count); - } - - /** - * Returns source for the range specified by: offset: data offset count: - * data count - */ - private String substringSource(String source, int offset, int count) throws DOMException { - // sure offset and count are non-negative - if (count == 0) - return new String(); - if (source == null) { - throw new DOMException(DOMException.INDEX_SIZE_ERR, new String()); - } - - int length = source.length(); - int end = offset + count; - - // find character reference - int ref = source.indexOf('&'); - while (ref >= 0) { - if (ref >= end) - break; - int refEnd = source.indexOf(';', ref + 1); - if (refEnd > ref + 1) { - String name = source.substring(ref + 1, refEnd); - if (getCharValue(name) != null) { - // found, shift for source offsets - int refCount = refEnd - ref; - if (ref < offset) - offset += refCount; - if (ref < end) - end += refCount; - ref = refEnd; - } - } - ref = source.indexOf('&', ref + 1); - } - - if (offset > length || end > length) { - throw new DOMException(DOMException.INDEX_SIZE_ERR, new String()); - } - - return source.substring(offset, end); - } - - /** - * Returns sources before and after the range specified by: offset: data - * offset count: data count - */ - private StringPair substringSourceExcluded(String source, int offset, int count) throws DOMException { - // sure offset and count are non-negative - if (source == null) { - if (offset == 0 && count == 0) - return new StringPair(null, null); - throw new DOMException(DOMException.INDEX_SIZE_ERR, new String()); - } - - int length = source.length(); - int end = offset + count; - - // find character reference - int ref = source.indexOf('&'); - while (ref >= 0) { - if (ref >= end) - break; - int refEnd = source.indexOf(';', ref + 1); - if (refEnd > ref + 1) { - String name = source.substring(ref + 1, refEnd); - if (getCharValue(name) != null) { - // found, shift for source offsets - int refCount = refEnd - ref; - if (ref < offset) - offset += refCount; - if (ref < end) - end += refCount; - ref = refEnd; - } - } - ref = source.indexOf('&', ref + 1); - } - - if (offset > length || end > length) { - throw new DOMException(DOMException.INDEX_SIZE_ERR, new String()); - } - - String first = (offset > 0 ? source.substring(0, offset) : null); - String second = (end < length ? source.substring(end, length) : null); - return new StringPair(first, second); - } - - public String getWholeText() { - throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "Not Implemented in this version."); //$NON-NLS-1$ - } - /** - * Replaces the text of the current node and all logically-adjacent text - * nodes with the specified text. All logically-adjacent text nodes are - * removed including the current node unless it was the recipient of the - * replacement text. <br> - * This method returns the node which received the replacement text. The - * returned node is: - * <ul> - * <li><code>null</code>, when the replacement text is the empty - * string; </li> - * <li>the current node, except when the current node is read-only; </li> - * <li> a new <code>Text</code> node of the same type ( - * <code>Text</code> or <code>CDATASection</code>) as the current - * node inserted at the location of the replacement. </li> - * </ul> - * <br> - * For instance, in the above example calling - * <code>replaceWholeText</code> on the <code>Text</code> node that - * contains "bar" with "yo" in argument results in the following: <br> - * Where the nodes to be removed are read-only descendants of an - * <code>EntityReference</code>, the <code>EntityReference</code> - * must be removed instead of the read-only nodes. If any - * <code>EntityReference</code> to be removed has descendants that are - * not <code>EntityReference</code>, <code>Text</code>, or - * <code>CDATASection</code> nodes, the <code>replaceWholeText</code> - * method must fail before performing any modification of the document, - * raising a <code>DOMException</code> with the code - * <code>NO_MODIFICATION_ALLOWED_ERR</code>. <br> - * For instance, in the example below calling - * <code>replaceWholeText</code> on the <code>Text</code> node that - * contains "bar" fails, because the <code>EntityReference</code> node - * "ent" contains an <code>Element</code> node which cannot be removed. - * - * @param content - * The content of the replacing <code>Text</code> node. - * @return The <code>Text</code> node created with the specified - * content. - * @exception DOMException - * NO_MODIFICATION_ALLOWED_ERR: Raised if one of the - * <code>Text</code> nodes being replaced is readonly. - * @see DOM Level 3 - */ - public Text replaceWholeText(String content) - throws DOMException { - throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "Not implemented"); //$NON-NLS-1$ - } -} |