bundles/org.eclipse.wst.dtd.core/src/org/eclipse/wst/dtd/core/internal/Entity.java - sourceediting/webtools.sourceediting - Git at Google

 /*******************************************************************************
  * Copyright (c) 2001, 2005 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.dtd.core.internal;

 import org.eclipse.swt.graphics.Image;
 import org.eclipse.wst.dtd.core.internal.parser.DTDRegionTypes;
 import org.eclipse.wst.dtd.core.internal.text.RegionIterator;
 import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion;
 import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion;


 // external node contains code to help set and get public ids
 public class Entity extends ExternalNode {

 	private static String setExternalEntity = DTDCoreMessages._UI_LABEL_ENTITY_SET_EXT_ENTITY; //$NON-NLS-1$
 	private static String setGeneralEntity = DTDCoreMessages._UI_LABEL_ENTITY_SET_GENERAL_ENTITY; //$NON-NLS-1$
 	private static String setInternalEntity = DTDCoreMessages._UI_LABEL_ENTITY_SET_INT_ENTITY; //$NON-NLS-1$

 	private static String setParameterEntity = DTDCoreMessages._UI_LABEL_ENTITY_SET_PARM_ENTITY; //$NON-NLS-1$

 	public Entity(DTDFile file, IStructuredDocumentRegion flatNode) {
 		super(file, flatNode, DTDRegionTypes.ENTITY_TAG);
 	}

 	public Image getImage() {
 		return DTDCorePlugin.getInstance().getImage(DTDResource.ENTITYICON);
 	}


 	/**
 	 * Get the value of notationName.
 	 *
 	 * @return value of notationName.
 	 */
 	public String getNotationName() {
 		ITextRegion ndataRegion = getNextRegion(iterator(), DTDRegionTypes.NDATA_VALUE);
 		if (ndataRegion != null) {
 			return getStructuredDTDDocumentRegion().getText(ndataRegion);
 		}
 		return ""; //$NON-NLS-1$
 	}

 	public ITextRegion getPercentRegion() {
 		return getNextRegion(iterator(), DTDRegionTypes.PERCENT);
 	}

 	/**
 	 * Get the value of value.
 	 *
 	 * @return value of value.
 	 */
 	public String getValue() {
 		if (!isExternalEntity()) {
 			ITextRegion valueRegion = getNextQuotedLiteral(iterator());
 			if (valueRegion != null) {
 				return getValueFromQuotedRegion(valueRegion);
 			}
 		}
 		return ""; //$NON-NLS-1$
 	}

 	/**
 	 * Get the value of externalEntity.
 	 *
 	 * @return value of externalEntity.
 	 */
 	public boolean isExternalEntity() {
 		return getPublicKeywordRegion(iterator()) != null || getSystemKeywordRegion(iterator()) != null;
 	}

 	/**
 	 * Get the value of isParameterEntity.
 	 *
 	 * @return value of isParameterEntity.
 	 */
 	public boolean isParameterEntity() {
 		return getPercentRegion() != null;
 	}

 	private void removeNData(Object requestor) {
 		ITextRegion ndataRegion = null;

 		// see if we have an NDATA keyword
 		ndataRegion = getNextRegion(iterator(), DTDRegionTypes.NDATA_KEYWORD);
 		int startOffset = 0, endOffset = 0;
 		if (ndataRegion != null) {
 			startOffset = getStructuredDTDDocumentRegion().getStartOffset(ndataRegion);
 			endOffset = getStructuredDTDDocumentRegion().getEndOffset(ndataRegion);
 		}
 		ITextRegion value = getNextRegion(iterator(), DTDRegionTypes.NDATA_VALUE);
 		if (value != null) {
 			if (startOffset == 0) {
 				startOffset = getStructuredDTDDocumentRegion().getStartOffset(value);
 			}
 			endOffset = getStructuredDTDDocumentRegion().getEndOffset(value);
 		}
 		replaceText(requestor, startOffset, endOffset - startOffset, ""); //$NON-NLS-1$
 	}

 	/**
 	 * Set the value of externalEntity.
 	 *
 	 * @param v
 	 *            Value to assign to externalEntity.
 	 */
 	public void setExternalEntity(boolean isExternalEntity) {
 		if (isExternalEntity() != isExternalEntity) {
 			// externalEntity = v;
 			beginRecording(this, isExternalEntity ? setExternalEntity : setInternalEntity);
 			if (isExternalEntity) {
 				// we need to get rid of the value literal
 				ITextRegion quote = getNextRegion(iterator(), DTDRegionTypes.SINGLEQUOTED_LITERAL);
 				if (quote == null) {
 					quote = getNextRegion(iterator(), DTDRegionTypes.DOUBLEQUOTED_LITERAL);
 				}
 				if (quote != null) {
 					replaceText(this, getStructuredDTDDocumentRegion().getStartOffset(quote), quote.getLength(), ""); //$NON-NLS-1$
 				}
 				setSystemID(""); //$NON-NLS-1$
 			}
 			else {
 				// we need to get rid of text between end of name region and
 				// the last double quoted literal
 				RegionIterator iter = iterator();
 				ITextRegion keyword = getSystemKeywordRegion(iter);
 				int startOffset = 0;
 				int length = 0;
 				if (keyword == null) {
 					// reset the iterator
 					iter = iterator();
 					keyword = getPublicKeywordRegion(iter);
 				}
 				if (keyword != null) {
 					startOffset = getStructuredDTDDocumentRegion().getStartOffset(keyword);
 					// start with a length just equal to the keyword for now
 					length = keyword.getLength();
 				}
 				else {
 					// reset the iterator since we didn't find the keyword
 					iter = iterator();
 					// just go from after the name
 					startOffset = getStructuredDTDDocumentRegion().getEndOffset(getNameRegion());
 				}

 				// now that we have the start, look for the end
 				ITextRegion lastRegion = null;

 				if (lastRegion == null) {
 					// then look for last quoted literal
 					while (iter.hasNext()) {
 						ITextRegion literal = getNextQuotedLiteral(iter);
 						if (literal != null) {
 							lastRegion = literal;
 						}
 					}
 				}

 				if (lastRegion != null) {
 					length = getStructuredDTDDocumentRegion().getEndOffset(lastRegion) - startOffset;
 				}
 				replaceText(this, startOffset, length, "\"\""); //$NON-NLS-1$
 				removeNData(this);
 			}
 			endRecording(this);
 		}
 	}

 	public void setNotationName(Object requestor, String newNotation) {
 		if (!getNotationName().equals(newNotation)) {
 			if (!newNotation.equals("")) { //$NON-NLS-1$
 				//
 				ITextRegion ndataRegion = getNextRegion(iterator(), DTDRegionTypes.NDATA_VALUE);
 				if (ndataRegion != null) {
 					replaceText(requestor, getStructuredDTDDocumentRegion().getStartOffset(ndataRegion), ndataRegion.getLength(), newNotation);
 				}
 				else {
 					// time to create one
 					int startOffset = 0;
 					String string = ""; //$NON-NLS-1$
 					RegionIterator iter = iterator();
 					ITextRegion ndataKeyword = getNextRegion(iter, DTDRegionTypes.NDATA_KEYWORD);
 					if (ndataKeyword == null) {
 						// we'll need to create one after the last quoted
 						// literal
 						// Reset iterator
 						string += " NDATA "; //$NON-NLS-1$
 						iter = iterator();
 						ITextRegion lastQuotedLiteral = null;
 						while (iter.hasNext()) {
 							ITextRegion literal = getNextQuotedLiteral(iter);
 							if (literal != null) {
 								lastQuotedLiteral = literal;
 							}
 						}
 						if (lastQuotedLiteral != null) {
 							startOffset = getStructuredDTDDocumentRegion().getEndOffset(lastQuotedLiteral);
 						}
 						else {
 							// created after the system or public keyword
 							ITextRegion keyword = getPublicKeywordRegion(iterator());
 							if (keyword == null) {
 								keyword = getSystemKeywordRegion(iterator());
 							}
 							// we shouldn't be null here since we check if we
 							// were external already
 							startOffset = getStructuredDTDDocumentRegion().getEndOffset(keyword);
 						}

 					}
 					else {
 						startOffset = getStructuredDTDDocumentRegion().getEndOffset(ndataKeyword);
 					}
 					replaceText(requestor, startOffset, 0, string + newNotation);
 				}
 			}
 			else {
 				// need to remove the ndata stuff
 				removeNData(requestor);
 			}
 		}
 	}

 	/**
 	 * Set the value of notationName.
 	 *
 	 * @param newNotation
 	 *            Value to assign to notationName.
 	 */
 	public void setNotationName(String newNotation) {
 		beginRecording(this, "NDATA " + DTDCoreMessages._UI_LABEL_ENTITY_NDATA_CHANGE); //$NON-NLS-1$ //$NON-NLS-2$
 		setNotationName(this, newNotation);
 		endRecording(this);
 	}

 	/**
 	 * Set the value of isParameterEntity.
 	 *
 	 * @param v
 	 *            Value to assign to isParameterEntity.
 	 */
 	public void setParameterEntity(boolean v) {
 		if (isParameterEntity() != v) {
 			beginRecording(this, v ? setParameterEntity : setGeneralEntity);
 			if (v) {
 				RegionIterator iter = iterator();
 				ITextRegion startTag = getNextRegion(iter, DTDRegionTypes.ENTITY_TAG);
 				int startOffset = 0, length = 0;

 				if (iter.hasNext()) {
 					ITextRegion region = iter.next();
 					startOffset = getStructuredDTDDocumentRegion().getStartOffset(region);
 					if (region.getType() == DTDRegionTypes.WHITESPACE && region.getLength() > 1) {
 						length = 1;
 					}
 				}
 				else {
 					startOffset = getStructuredDTDDocumentRegion().getEndOffset(startTag);
 				}
 				replaceText(this, startOffset, length, " %"); //$NON-NLS-1$
 				// now get rid of any NData since it is only allowed if the
 				// entity is a general entity and not a parameter entity
 				removeNData(this);
 			}
 			else {
 				// get rid of percent region
 				ITextRegion percentRegion = getPercentRegion();
 				replaceText(this, getStructuredDTDDocumentRegion().getStartOffset(percentRegion), percentRegion.getLength(), ""); //$NON-NLS-1$
 			}

 			endRecording(this);
 		}
 	}

 	/**
 	 * Set the value of value.
 	 *
 	 * @param v
 	 *            Value to assign to value.
 	 */
 	public void setValue(Object requestor, String v) {
 		if (!isExternalEntity()) {
 			if (!getValue().equals(v)) {
 				// then it makes sense to change the value
 				ITextRegion valueRegion = getNextQuotedLiteral(iterator());
 				String quoteChar = v.indexOf("\"") == -1 ? "\"" : "'"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 				if (valueRegion != null) {
 					replaceText(requestor, getStructuredDTDDocumentRegion().getStartOffset(valueRegion), valueRegion.getLength(), quoteChar + v + quoteChar);
 				}
 				else {
 					int startOffset = 0;
 					RegionIterator iter = iterator();
 					ITextRegion region = getNextRegion(iter, DTDRegionTypes.NAME);
 					if (region == null) {
 						// create it after the percent if there is one
 						region = getPercentRegion();
 					}
 					if (region == null) {
 						// if still null, then create it after the element tag
 						region = getStartTag(iterator());
 					}

 					if (region != null) {
 						startOffset = getStructuredDTDDocumentRegion().getEndOffset(region);
 						replaceText(requestor, startOffset, 0, quoteChar + v + quoteChar);
 					}
 				}
 			}
 		}
 	}

 	/**
 	 * Set the value of value.
 	 *
 	 * @param v
 	 *            Value to assign to value.
 	 */
 	public void setValue(String v) {
 		beginRecording(this, DTDCoreMessages._UI_LABEL_ENTITY_VALUE_CHG); //$NON-NLS-1$
 		setValue(this, v);
 		endRecording(this);
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2001, 2005 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.dtd.core.internal;

	import org.eclipse.swt.graphics.Image;
	import org.eclipse.wst.dtd.core.internal.parser.DTDRegionTypes;
	import org.eclipse.wst.dtd.core.internal.text.RegionIterator;
	import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion;
	import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion;


	// external node contains code to help set and get public ids
	public class Entity extends ExternalNode {

	private static String setExternalEntity = DTDCoreMessages._UI_LABEL_ENTITY_SET_EXT_ENTITY; //$NON-NLS-1$
	private static String setGeneralEntity = DTDCoreMessages._UI_LABEL_ENTITY_SET_GENERAL_ENTITY; //$NON-NLS-1$
	private static String setInternalEntity = DTDCoreMessages._UI_LABEL_ENTITY_SET_INT_ENTITY; //$NON-NLS-1$

	private static String setParameterEntity = DTDCoreMessages._UI_LABEL_ENTITY_SET_PARM_ENTITY; //$NON-NLS-1$

	public Entity(DTDFile file, IStructuredDocumentRegion flatNode) {
	super(file, flatNode, DTDRegionTypes.ENTITY_TAG);
	}

	public Image getImage() {
	return DTDCorePlugin.getInstance().getImage(DTDResource.ENTITYICON);
	}


	/**
	* Get the value of notationName.
	*
	* @return value of notationName.
	*/
	public String getNotationName() {
	ITextRegion ndataRegion = getNextRegion(iterator(), DTDRegionTypes.NDATA_VALUE);
	if (ndataRegion != null) {
	return getStructuredDTDDocumentRegion().getText(ndataRegion);
	}
	return ""; //$NON-NLS-1$
	}

	public ITextRegion getPercentRegion() {
	return getNextRegion(iterator(), DTDRegionTypes.PERCENT);
	}

	/**
	* Get the value of value.
	*
	* @return value of value.
	*/
	public String getValue() {
	if (!isExternalEntity()) {
	ITextRegion valueRegion = getNextQuotedLiteral(iterator());
	if (valueRegion != null) {
	return getValueFromQuotedRegion(valueRegion);
	}
	}
	return ""; //$NON-NLS-1$
	}

	/**
	* Get the value of externalEntity.
	*
	* @return value of externalEntity.
	*/
	public boolean isExternalEntity() {
	return getPublicKeywordRegion(iterator()) != null \|\| getSystemKeywordRegion(iterator()) != null;
	}

	/**
	* Get the value of isParameterEntity.
	*
	* @return value of isParameterEntity.
	*/
	public boolean isParameterEntity() {
	return getPercentRegion() != null;
	}

	private void removeNData(Object requestor) {
	ITextRegion ndataRegion = null;

	// see if we have an NDATA keyword
	ndataRegion = getNextRegion(iterator(), DTDRegionTypes.NDATA_KEYWORD);
	int startOffset = 0, endOffset = 0;
	if (ndataRegion != null) {
	startOffset = getStructuredDTDDocumentRegion().getStartOffset(ndataRegion);
	endOffset = getStructuredDTDDocumentRegion().getEndOffset(ndataRegion);
	}
	ITextRegion value = getNextRegion(iterator(), DTDRegionTypes.NDATA_VALUE);
	if (value != null) {
	if (startOffset == 0) {
	startOffset = getStructuredDTDDocumentRegion().getStartOffset(value);
	}
	endOffset = getStructuredDTDDocumentRegion().getEndOffset(value);
	}
	replaceText(requestor, startOffset, endOffset - startOffset, ""); //$NON-NLS-1$
	}

	/**
	* Set the value of externalEntity.
	*
	* @param v
	* Value to assign to externalEntity.
	*/
	public void setExternalEntity(boolean isExternalEntity) {
	if (isExternalEntity() != isExternalEntity) {
	// externalEntity = v;
	beginRecording(this, isExternalEntity ? setExternalEntity : setInternalEntity);
	if (isExternalEntity) {
	// we need to get rid of the value literal
	ITextRegion quote = getNextRegion(iterator(), DTDRegionTypes.SINGLEQUOTED_LITERAL);
	if (quote == null) {
	quote = getNextRegion(iterator(), DTDRegionTypes.DOUBLEQUOTED_LITERAL);
	}
	if (quote != null) {
	replaceText(this, getStructuredDTDDocumentRegion().getStartOffset(quote), quote.getLength(), ""); //$NON-NLS-1$
	}
	setSystemID(""); //$NON-NLS-1$
	}
	else {
	// we need to get rid of text between end of name region and
	// the last double quoted literal
	RegionIterator iter = iterator();
	ITextRegion keyword = getSystemKeywordRegion(iter);
	int startOffset = 0;
	int length = 0;
	if (keyword == null) {
	// reset the iterator
	iter = iterator();
	keyword = getPublicKeywordRegion(iter);
	}
	if (keyword != null) {
	startOffset = getStructuredDTDDocumentRegion().getStartOffset(keyword);
	// start with a length just equal to the keyword for now
	length = keyword.getLength();
	}
	else {
	// reset the iterator since we didn't find the keyword
	iter = iterator();
	// just go from after the name
	startOffset = getStructuredDTDDocumentRegion().getEndOffset(getNameRegion());
	}

	// now that we have the start, look for the end
	ITextRegion lastRegion = null;

	if (lastRegion == null) {
	// then look for last quoted literal
	while (iter.hasNext()) {
	ITextRegion literal = getNextQuotedLiteral(iter);
	if (literal != null) {
	lastRegion = literal;
	}
	}
	}

	if (lastRegion != null) {
	length = getStructuredDTDDocumentRegion().getEndOffset(lastRegion) - startOffset;
	}
	replaceText(this, startOffset, length, "\"\""); //$NON-NLS-1$
	removeNData(this);
	}
	endRecording(this);
	}
	}

	public void setNotationName(Object requestor, String newNotation) {
	if (!getNotationName().equals(newNotation)) {
	if (!newNotation.equals("")) { //$NON-NLS-1$
	//
	ITextRegion ndataRegion = getNextRegion(iterator(), DTDRegionTypes.NDATA_VALUE);
	if (ndataRegion != null) {
	replaceText(requestor, getStructuredDTDDocumentRegion().getStartOffset(ndataRegion), ndataRegion.getLength(), newNotation);
	}
	else {
	// time to create one
	int startOffset = 0;
	String string = ""; //$NON-NLS-1$
	RegionIterator iter = iterator();
	ITextRegion ndataKeyword = getNextRegion(iter, DTDRegionTypes.NDATA_KEYWORD);
	if (ndataKeyword == null) {
	// we'll need to create one after the last quoted
	// literal
	// Reset iterator
	string += " NDATA "; //$NON-NLS-1$
	iter = iterator();
	ITextRegion lastQuotedLiteral = null;
	while (iter.hasNext()) {
	ITextRegion literal = getNextQuotedLiteral(iter);
	if (literal != null) {
	lastQuotedLiteral = literal;
	}
	}
	if (lastQuotedLiteral != null) {
	startOffset = getStructuredDTDDocumentRegion().getEndOffset(lastQuotedLiteral);
	}
	else {
	// created after the system or public keyword
	ITextRegion keyword = getPublicKeywordRegion(iterator());
	if (keyword == null) {
	keyword = getSystemKeywordRegion(iterator());
	}
	// we shouldn't be null here since we check if we
	// were external already
	startOffset = getStructuredDTDDocumentRegion().getEndOffset(keyword);
	}

	}
	else {
	startOffset = getStructuredDTDDocumentRegion().getEndOffset(ndataKeyword);
	}
	replaceText(requestor, startOffset, 0, string + newNotation);
	}
	}
	else {
	// need to remove the ndata stuff
	removeNData(requestor);
	}
	}
	}

	/**
	* Set the value of notationName.
	*
	* @param newNotation
	* Value to assign to notationName.
	*/
	public void setNotationName(String newNotation) {
	beginRecording(this, "NDATA " + DTDCoreMessages._UI_LABEL_ENTITY_NDATA_CHANGE); //$NON-NLS-1$ //$NON-NLS-2$
	setNotationName(this, newNotation);
	endRecording(this);
	}

	/**
	* Set the value of isParameterEntity.
	*
	* @param v
	* Value to assign to isParameterEntity.
	*/
	public void setParameterEntity(boolean v) {
	if (isParameterEntity() != v) {
	beginRecording(this, v ? setParameterEntity : setGeneralEntity);
	if (v) {
	RegionIterator iter = iterator();
	ITextRegion startTag = getNextRegion(iter, DTDRegionTypes.ENTITY_TAG);
	int startOffset = 0, length = 0;

	if (iter.hasNext()) {
	ITextRegion region = iter.next();
	startOffset = getStructuredDTDDocumentRegion().getStartOffset(region);
	if (region.getType() == DTDRegionTypes.WHITESPACE && region.getLength() > 1) {
	length = 1;
	}
	}
	else {
	startOffset = getStructuredDTDDocumentRegion().getEndOffset(startTag);
	}
	replaceText(this, startOffset, length, " %"); //$NON-NLS-1$
	// now get rid of any NData since it is only allowed if the
	// entity is a general entity and not a parameter entity
	removeNData(this);
	}
	else {
	// get rid of percent region
	ITextRegion percentRegion = getPercentRegion();
	replaceText(this, getStructuredDTDDocumentRegion().getStartOffset(percentRegion), percentRegion.getLength(), ""); //$NON-NLS-1$
	}

	endRecording(this);
	}
	}

	/**
	* Set the value of value.
	*
	* @param v
	* Value to assign to value.
	*/
	public void setValue(Object requestor, String v) {
	if (!isExternalEntity()) {
	if (!getValue().equals(v)) {
	// then it makes sense to change the value
	ITextRegion valueRegion = getNextQuotedLiteral(iterator());
	String quoteChar = v.indexOf("\"") == -1 ? "\"" : "'"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
	if (valueRegion != null) {
	replaceText(requestor, getStructuredDTDDocumentRegion().getStartOffset(valueRegion), valueRegion.getLength(), quoteChar + v + quoteChar);
	}
	else {
	int startOffset = 0;
	RegionIterator iter = iterator();
	ITextRegion region = getNextRegion(iter, DTDRegionTypes.NAME);
	if (region == null) {
	// create it after the percent if there is one
	region = getPercentRegion();
	}
	if (region == null) {
	// if still null, then create it after the element tag
	region = getStartTag(iterator());
	}

	if (region != null) {
	startOffset = getStructuredDTDDocumentRegion().getEndOffset(region);
	replaceText(requestor, startOffset, 0, quoteChar + v + quoteChar);
	}
	}
	}
	}
	}

	/**
	* Set the value of value.
	*
	* @param v
	* Value to assign to value.
	*/
	public void setValue(String v) {
	beginRecording(this, DTDCoreMessages._UI_LABEL_ENTITY_VALUE_CHG); //$NON-NLS-1$
	setValue(this, v);
	endRecording(this);
	}

	}