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Diffstat (limited to 'bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/AttrImpl.java')
| -rw-r--r-- | bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/AttrImpl.java | 746 |
1 files changed, 0 insertions, 746 deletions
diff --git a/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/AttrImpl.java b/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/AttrImpl.java deleted file mode 100644 index ab29bca248..0000000000 --- a/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/AttrImpl.java +++ /dev/null @@ -1,746 +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.Iterator; - -import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; -import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion; -import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionContainer; -import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionList; -import org.eclipse.wst.xml.core.internal.contentmodel.CMAttributeDeclaration; -import org.eclipse.wst.xml.core.internal.contentmodel.CMElementDeclaration; -import org.eclipse.wst.xml.core.internal.contentmodel.CMNamedNodeMap; -import org.eclipse.wst.xml.core.internal.provisional.IXMLCharEntity; -import org.eclipse.wst.xml.core.internal.provisional.IXMLNamespace; -import org.eclipse.wst.xml.core.internal.provisional.document.IDOMAttr; -import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext; -import org.w3c.dom.Attr; -import org.w3c.dom.DOMException; -import org.w3c.dom.Element; -import org.w3c.dom.Node; - - -/** - * AttrImpl class - */ -public class AttrImpl extends NodeImpl implements IDOMAttr { - private ITextRegion equalRegion = null; - - private String name = null; - private ITextRegion nameRegion = null; - private String namespaceURI = null; - private ElementImpl ownerElement = null; - private ITextRegion valueRegion = null; - private String valueSource = null; - - /** - * AttrImpl constructor - */ - protected AttrImpl() { - super(); - } - - /** - * AttrImpl constructor - * - * @param that - * AttrImpl - */ - protected AttrImpl(AttrImpl that) { - super(that); - - if (that != null) { - this.name = that.name; - this.valueSource = that.getValueSource(); - } - } - - /** - * cloneNode method - * - * @return org.w3c.dom.Node - */ - public Node cloneNode(boolean deep) { - AttrImpl cloned = new AttrImpl(this); - return cloned; - } - - /** - */ - protected CMAttributeDeclaration getDeclaration() { - ElementImpl element = (ElementImpl) getOwnerElement(); - if (element == null) - return null; - CMElementDeclaration elementDecl = element.getDeclaration(); - if (elementDecl == null) - return null; - CMNamedNodeMap attributes = elementDecl.getAttributes(); - if (attributes == null) - return null; - return (CMAttributeDeclaration) attributes.getNamedItem(getName()); - } - - /** - * getEndOffset method - * - * @return int - */ - public int getEndOffset() { - if (this.ownerElement == null) - return 0; - int offset = this.ownerElement.getStartOffset(); - if (this.valueRegion != null) { - return (offset + this.valueRegion.getEnd()); - } - if (this.equalRegion != null) { - return (offset + this.equalRegion.getEnd()); - } - if (this.nameRegion != null) { - return (offset + this.nameRegion.getEnd()); - } - return 0; - } - - - public ITextRegion getEqualRegion() { - return this.equalRegion; - } - - /** - */ - public String getLocalName() { - if (this.name == null) - return null; - int index = this.name.indexOf(':'); - if (index < 0) - return this.name; - return this.name.substring(index + 1); - } - - /** - * getName method - * - * @return java.lang.String - */ - public String getName() { - if (this.name == null) - return new String(); - return this.name; - } - - - public ITextRegion getNameRegion() { - return this.nameRegion; - } - - public int getNameRegionEndOffset() { - if (this.ownerElement == null) - return 0; - // assuming the firstStructuredDocumentRegion is the one that contains - // attributes - IStructuredDocumentRegion flatNode = this.ownerElement.getFirstStructuredDocumentRegion(); - if (flatNode == null) - return 0; - return flatNode.getEndOffset(this.nameRegion); - } - - public int getNameRegionStartOffset() { - if (this.ownerElement == null) - return 0; - // assuming the firstStructuredDocumentRegion is the one that contains - // attributes - IStructuredDocumentRegion flatNode = this.ownerElement.getFirstStructuredDocumentRegion(); - if (flatNode == null) - return 0; - return flatNode.getStartOffset(this.nameRegion); - } - - public String getNameRegionText() { - if (this.ownerElement == null) - return null; - // assuming the firstStructuredDocumentRegion is the one that contains - // attributes - IStructuredDocumentRegion flatNode = this.ownerElement.getFirstStructuredDocumentRegion(); - if (flatNode == null) - return null; - return flatNode.getText(this.nameRegion); - } - - public int getNameRegionTextEndOffset() { - if (this.ownerElement == null) - return 0; - // assuming the firstStructuredDocumentRegion is the one that contains - // attributes - IStructuredDocumentRegion flatNode = this.ownerElement.getFirstStructuredDocumentRegion(); - if (flatNode == null) - return 0; - return flatNode.getTextEndOffset(this.nameRegion); - } - - /** - */ - public String getNamespaceURI() { - String nsAttrName = null; - String prefix = getPrefix(); - if (prefix != null && prefix.length() > 0) { - if (prefix.equals(IXMLNamespace.XMLNS)) { - // fixed URI - return IXMLNamespace.XMLNS_URI; - } - nsAttrName = IXMLNamespace.XMLNS_PREFIX + prefix; - } - else { - String name = getName(); - if (name != null && name.equals(IXMLNamespace.XMLNS)) { - // fixed URI - return IXMLNamespace.XMLNS_URI; - } - // does not inherit namespace from owner element - // if (this.ownerElement != null) return - // this.ownerElement.getNamespaceURI(); - return this.namespaceURI; - } - - for (Node node = this.ownerElement; node != null; node = node.getParentNode()) { - if (node.getNodeType() != ELEMENT_NODE) - break; - Element element = (Element) node; - Attr attr = element.getAttributeNode(nsAttrName); - if (attr != null) - return attr.getValue(); - } - - return this.namespaceURI; - } - - /** - * getNodeName method - * - * @return java.lang.String - */ - public String getNodeName() { - return getName(); - } - - /** - * getNodeType method - * - * @return short - */ - public short getNodeType() { - return ATTRIBUTE_NODE; - } - - /** - * getNodeValue method - * - * @return java.lang.String - */ - public String getNodeValue() { - return getValue(); - } - - /** - * getOwnerElement method - * - * @return org.w3c.dom.Element - */ - public Element getOwnerElement() { - return this.ownerElement; - } - - /** - */ - public String getPrefix() { - if (this.name == null) - return null; - int index = this.name.indexOf(':'); - if (index <= 0) - return null; - // exclude JSP tag in name - if (this.name.charAt(0) == '<') - return null; - return this.name.substring(0, index); - } - - /** - * getSpecified method - * - * @return boolean - */ - public boolean getSpecified() { - return true; - } - - /** - * getStartOffset method - * - * @return int - */ - public int getStartOffset() { - if (this.ownerElement == null) - return 0; - int offset = this.ownerElement.getStartOffset(); - if (this.nameRegion != null) { - return (offset + this.nameRegion.getStart()); - } - if (this.equalRegion != null) { - return (offset + this.equalRegion.getStart()); - } - if (this.valueRegion != null) { - return (offset + this.valueRegion.getStart()); - } - return 0; - } - - /** - * getValue method - * - * @return java.lang.String - */ - public String getValue() { - return getValue(getValueSource()); - } - - /** - * Returns value for the source - */ - private String getValue(String source) { - if (source == null) - return new String(); - if (source.length() == 0) - return source; - 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(); - } - - public ITextRegion getValueRegion() { - return this.valueRegion; - } - - /** - * ISSUE: what should behavior be if this.value == null? - * It's an "error" to be in that state, but seems to - * occur relatively easily ... probably due to threading - * bugs ... but this just shows its needs to be spec'd. - * - */ - public int getValueRegionStartOffset() { - if (this.ownerElement == null) - return 0; - // assuming the firstStructuredDocumentRegion is the one that contains - // the valueRegion -- should make smarter? - IStructuredDocumentRegion structuredDocumentRegion = this.ownerElement.getFirstStructuredDocumentRegion(); - if (structuredDocumentRegion == null) - return 0; - // ensure we never pass null to getStartOffset. - if (this.valueRegion == null) { - return 0; - } - return structuredDocumentRegion.getStartOffset(this.valueRegion); - } - - public String getValueRegionText() { - if (this.ownerElement == null) - return null; - // assuming the firstStructuredDocumentRegion is the one that contains - // attributes - IStructuredDocumentRegion flatNode = this.ownerElement.getFirstStructuredDocumentRegion(); - if (flatNode == null) - return null; - if (this.valueRegion == null) - return null; - return flatNode.getText(this.valueRegion); - } - - /** - */ - public String getValueSource() { - if (this.valueSource != null) - return this.valueSource; - // 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. - // DW: 4/30/2003 For some reason, this method is getting called a lot - // Not sure if its a threading problem, or a fundamental error - // elsewhere. - // It needs more investigation, but in the use cases I've seen, - // doesn't - // seem to hurt to simply return null in those cases. I saw this null - // case, - // when tryint go format an XML file. - if (this.ownerElement == null) - return null; - IStructuredDocumentRegion ownerRegion = this.ownerElement.getFirstStructuredDocumentRegion(); - if (ownerRegion == null) - return null; - if (this.valueRegion != null) - return StructuredDocumentRegionUtil.getAttrValue(ownerRegion, this.valueRegion); - return new String(); - } - - private String getValueSource(ElementImpl ownerElement) { - if (this.valueSource != null) - return this.valueSource; - // 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. - if (this.valueRegion != null) - return StructuredDocumentRegionUtil.getAttrValue(ownerElement.getStructuredDocumentRegion(), this.valueRegion); - return new String(); - } - - /** - */ - private String getValueSource(String value) { - if (value == null) - return null; - if (value.length() == 0) - return value; - StringBuffer buffer = null; - int offset = 0; - int length = value.length(); - int amp = value.indexOf('&'); - while (amp >= 0) { - if (buffer == null) - buffer = new StringBuffer(length + 4); - if (amp > offset) - buffer.append(value.substring(offset, amp)); - buffer.append(IXMLCharEntity.AMP_REF); - offset = amp + 1; - amp = value.indexOf('&', offset); - } - if (buffer == null) - return value; - if (length > offset) - buffer.append(value.substring(offset)); - return buffer.toString(); - } - - /** - * Check if Attr has JSP in value - */ -public boolean hasNestedValue() { - if (this.valueRegion == null) - return false; - if (!(this.valueRegion instanceof ITextRegionContainer)) - return false; - ITextRegionList regions = ((ITextRegionContainer) this.valueRegion).getRegions(); - if (regions == null) - return false; - Iterator e = regions.iterator(); - while (e.hasNext()) { - ITextRegion region = (ITextRegion) e.next(); - if (region == null) - continue; - String regionType = region.getType(); - if (regionType == DOMRegionContext.XML_TAG_OPEN || isNestedLanguageOpening(regionType)) - return true; - } - return false; - } - - /** - * Check if Attr has only name but not equal sign nor value - */ - public boolean hasNameOnly() { - return (this.nameRegion != null && this.equalRegion == null && this.valueRegion == null); - } - - /** - */ - protected final boolean hasPrefix() { - if (this.name == null) - return false; - if (this.name.indexOf(':') <= 0) - return false; - // exclude JSP tag in name - if (this.name.charAt(0) == '<') - return false; - return true; - } - - /** - */ - protected final boolean ignoreCase() { - if (this.ownerElement != null) { - if (this.ownerElement.ignoreCase()) { - return !hasPrefix(); - } - } - else { - DocumentImpl document = (DocumentImpl) getOwnerDocument(); - if (document != null && document.ignoreCase()) { - // even in case insensitive document, if having prefix, it's - // case sensitive - return !hasPrefix(); - } - } - return false; - } - - /** - */ - public boolean isGlobalAttr() { - if (hasPrefix()) - return false; - if (this.ownerElement == null) - return false; - return this.ownerElement.isGlobalTag(); - } - - /** - */ - public final boolean isXMLAttr() { - if (this.ownerElement != null) { - if (!this.ownerElement.isXMLTag()) { - return hasPrefix(); - } - } - else { - DocumentImpl document = (DocumentImpl) getOwnerDocument(); - if (document != null && !document.isXMLType()) { - // even in non-XML document, if having prefix, it's XML tag - return hasPrefix(); - } - } - return true; - } - - /** - * matchName method - * - * @return boolean - * @param name - * java.lang.String - */ - protected boolean matchName(String name) { - if (name == null) - return (this.name == null); - if (this.name == null) - return false; - if (!ignoreCase()) - return this.name.equals(name); - return this.name.equalsIgnoreCase(name); - } - - /** - * notifyValueChanged method - */ - protected void notifyNameChanged() { - if (this.ownerElement == null) - return; - DocumentImpl document = (DocumentImpl) this.ownerElement.getContainerDocument(); - if (document == null) - return; - DOMModelImpl model = (DOMModelImpl) document.getModel(); - if (model == null) - return; - model.nameChanged(this); - } - - /** - * notifyValueChanged method - */ - protected void notifyValueChanged() { - if (this.ownerElement == null) - return; - DocumentImpl document = (DocumentImpl) this.ownerElement.getContainerDocument(); - if (document == null) - return; - DOMModelImpl model = (DOMModelImpl) document.getModel(); - if (model == null) - return; - model.valueChanged(this); - } - - /** - * removeRegions method - */ - void removeRegions() { - this.nameRegion = null; - this.valueRegion = null; - this.equalRegion = null; - } - - /** - */ - void resetRegions() { - this.valueSource = getValueSource(); - removeRegions(); - } - - /** - */ - void resetRegions(ElementImpl ownerElement) { - this.valueSource = getValueSource(ownerElement); - removeRegions(); - } - - void setEqualRegion(ITextRegion equalRegion) { - this.equalRegion = equalRegion; - } - - /** - * setName method - * - * @param name - * java.lang.String - */ - protected void setName(String name) { - String value = null; - int startOffset = 0; - if (this.ownerElement != null) { - value = getValue(); - startOffset = this.ownerElement.getStartOffset(); - this.ownerElement.notify(CHANGE, this, value, null, startOffset); - } - this.name = name; - if (this.ownerElement != null) { - this.ownerElement.notify(CHANGE, this, null, value, startOffset); - } - } - - void setNameRegion(ITextRegion nameRegion) { - this.nameRegion = nameRegion; - } - - protected void setNamespaceURI(String namespaceURI) { - this.namespaceURI = namespaceURI; - } - - /** - * setNodeValue method - * - * @param nodeValue - * java.lang.String - */ - public void setNodeValue(String nodeValue) throws DOMException { - setValue(nodeValue); - } - - /** - * setOwnerElement method - * - * @param ownerElement - * org.w3c.dom.Element - */ - protected void setOwnerElement(Element ownerElement) { - this.ownerElement = (ElementImpl) ownerElement; - } - - /** - */ - public void setPrefix(String prefix) throws DOMException { - if (this.ownerElement != null && !this.ownerElement.isDataEditable()) { - throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, new String()); - } - int prefixLength = (prefix != null ? prefix.length() : 0); - String localName = getLocalName(); - if (prefixLength == 0) { - setName(localName); - return; - } - if (localName == null) - localName = new String(); - int localLength = localName.length(); - StringBuffer buffer = new StringBuffer(prefixLength + 1 + localLength); - buffer.append(prefix); - buffer.append(':'); - buffer.append(localName); - setName(buffer.toString()); - - notifyNameChanged(); - } - - /** - * setValue method - * - * @param value - * java.lang.String - */ - public void setValue(String value) { - // Remember: as we account for "floaters" in - // future, remember that some are created - // in the natural process of implementing - // DOM apis. - // this "self notification" of about/changed, - // is added for this case, because it known to - // be called from properties pages. Should be a - // added to all DOM Modifiying APIs eventually. - try { - getModel().aboutToChangeModel(); - setValueSource(getValueSource(value)); - } - finally { - getModel().changedModel(); - } - } - - void setValueRegion(ITextRegion valueRegion) { - this.valueRegion = valueRegion; - if (valueRegion != null) - this.valueSource = null; - } - - public void setValueSource(String source) { - if (this.ownerElement != null && !this.ownerElement.isDataEditable()) { - throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, new String()); - } - this.valueSource = source; - - notifyValueChanged(); - } - - /** - * Subclasses must override - * @param regionType - * @return - */ - protected boolean isNestedLanguageOpening(String regionType) { - boolean result = false; - return result; - } -} |