/*******************************************************************************
* 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.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;
// base class for nodes that can contain external content
public abstract class ExternalNode extends NamedTopLevelNode {
String publicID;
String systemID;
public ExternalNode(DTDFile file, IStructuredDocumentRegion flatNode, String tagType) {
super(file, flatNode, tagType);
}
public ITextRegion getNextQuotedLiteral(RegionIterator iter) {
while (iter.hasNext()) {
ITextRegion region = iter.next();
if (region.getType().equals(DTDRegionTypes.SINGLEQUOTED_LITERAL) || region.getType().equals(DTDRegionTypes.DOUBLEQUOTED_LITERAL)) {
return region;
}
}
return null;
}
/**
* Get the value of publicID.
*
* @return value of publicID.
*/
public String getPublicID() {
ITextRegion publicValue = getPublicValueRegion();
if (publicValue != null) {
return getValueFromQuotedRegion(publicValue);
}
return ""; //$NON-NLS-1$
}
public ITextRegion getPublicKeywordRegion(RegionIterator iter) {
return getNextRegion(iter, DTDRegionTypes.PUBLIC_KEYWORD);
}
public ITextRegion getPublicValueRegion() {
RegionIterator iter = iterator();
ITextRegion publicKeyword = getPublicKeywordRegion(iter);
if (publicKeyword != null && iter.hasNext()) {
ITextRegion quotedLiteral = getNextQuotedLiteral(iter);
if (quotedLiteral != null) {
return quotedLiteral;
}
}
return null;
}
/**
* Get the value of systemID.
*
* @return value of systemID.
*/
public String getSystemID() {
ITextRegion systemValue = getSystemValueRegion();
if (systemValue != null) {
return getValueFromQuotedRegion(systemValue);
}
return ""; //$NON-NLS-1$
}
public ITextRegion getSystemKeywordRegion(RegionIterator iter) {
return getNextRegion(iter, DTDRegionTypes.SYSTEM_KEYWORD);
}
public ITextRegion getSystemValueRegion() {
RegionIterator iter = iterator();
ITextRegion systemKeyword = getSystemKeywordRegion(iter);
if (systemKeyword != null && iter.hasNext()) {
ITextRegion quotedLiteral = getNextQuotedLiteral(iter);
if (quotedLiteral != null) {
return quotedLiteral;
}
}
else {
// try and see if there is a second quoted literal after a public
// keyword
iter = iterator();
ITextRegion publicKeyword = getPublicKeywordRegion(iter);
if (publicKeyword != null && iter.hasNext()) {
ITextRegion quotedLiteral = getNextQuotedLiteral(iter);
if (quotedLiteral != null && iter.hasNext()) {
// now get the second quoted literal
quotedLiteral = getNextQuotedLiteral(iter);
if (quotedLiteral != null) {
// got it!
return quotedLiteral;
}
}
}
}
return null;
}
public String getValueFromQuotedRegion(ITextRegion region) {
String type = region.getType();
if (type.equals(DTDRegionTypes.SINGLEQUOTED_LITERAL) || type.equals(DTDRegionTypes.DOUBLEQUOTED_LITERAL)) {
String text = getStructuredDTDDocumentRegion().getText(region);
return text.substring(1, text.length() - 1);
}
return ""; //$NON-NLS-1$
}
/**
* Set the value of publicID.
*
* @param v
* Value to assign to publicID.
*/
public void setPublicID(Object requestor, String v) {
if (!v.equals(publicID)) {
publicID = v;
ITextRegion publicValue = getPublicValueRegion();
ITextRegion publicKeyword = getPublicKeywordRegion(iterator());
ITextRegion systemKeyword = getSystemKeywordRegion(iterator());
ITextRegion systemValue = getSystemValueRegion();
if (v.equals("")) { //$NON-NLS-1$
if (publicKeyword != null) {
// time to get rid of the public keyword and value
// and replace it with the system one
int startOffset = getStructuredDTDDocumentRegion().getStartOffset(publicKeyword);
String newString = "SYSTEM"; //$NON-NLS-1$
if (systemValue == null) {
newString += " \"\""; //$NON-NLS-1$
}
replaceText(requestor, startOffset, getStructuredDTDDocumentRegion().getEndOffset(publicValue) - startOffset, newString);
}
}
else {
// here were setting a non empty value
String quoteChar = v.indexOf("\"") == -1 ? "\"" : "'"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
if (publicValue != null) {
replaceText(requestor, getStructuredDTDDocumentRegion().getStartOffset(publicValue), publicValue.getLength(), quoteChar + publicID + quoteChar);
}
else {
// time to create stuff
if (publicKeyword != null) {
// then just put our new value after the keyword
replaceText(requestor, getStructuredDTDDocumentRegion().getEndOffset(publicKeyword), 0, " " + quoteChar + v + quoteChar); //$NON-NLS-1$
}
else {
// we need the public keyword as well
if (systemKeyword != null) {
replaceText(requestor, getStructuredDTDDocumentRegion().getStartOffset(systemKeyword), systemKeyword.getLength(), "PUBLIC " + quoteChar + v + quoteChar); //$NON-NLS-1$
}
else {
ITextRegion nameRegion = getNameRegion();
replaceText(requestor, getStructuredDTDDocumentRegion().getEndOffset(nameRegion), 0, " PUBLIC " + quoteChar + v + quoteChar); //$NON-NLS-1$
}
}
}
}
}
}
/**
* Set the value of publicID.
*
* @param v
* Value to assign to publicID.
*/
public void setPublicID(String v) {
beginRecording(this, DTDCoreMessages._UI_LABEL_EXT_NODE_PUBLIC_ID_CHG); //$NON-NLS-1$
setPublicID(this, v);
endRecording(this);
}
/**
* Set the value of systemID.
*
* @param v
* Value to assign to systemID.
*/
public void setSystemID(Object requestor, String v) {
if (!v.equals(systemID) || (getPublicKeywordRegion(iterator()) == null && getSystemKeywordRegion(iterator()) == null)) {
systemID = v;
String quoteChar = v.indexOf("\"") == -1 ? "\"" : "'"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
ITextRegion systemValue = getSystemValueRegion();
if (systemValue != null) {
replaceText(requestor, getStructuredDTDDocumentRegion().getStartOffset(systemValue), systemValue.getLength(), quoteChar + systemID + quoteChar);
}
else {
ITextRegion systemKeyword = getSystemKeywordRegion(iterator());
// time to create stuff
if (systemKeyword != null) {
// then just put our new value after the keyword
replaceText(requestor, getStructuredDTDDocumentRegion().getEndOffset(systemKeyword), 0, " " + quoteChar + v + quoteChar); //$NON-NLS-1$
}
else {
// see if we have a public keyword
ITextRegion publicKeyword = getPublicKeywordRegion(iterator());
if (publicKeyword == null) {
ITextRegion nameRegion = getNameRegion();
replaceText(requestor, getStructuredDTDDocumentRegion().getEndOffset(nameRegion), 0, " SYSTEM " + quoteChar + v + quoteChar); //$NON-NLS-1$
}
else {
// put it after the public value region
ITextRegion publicValueRegion = getPublicValueRegion();
replaceText(requestor, getStructuredDTDDocumentRegion().getEndOffset(publicValueRegion), 0, " " + quoteChar + v + quoteChar); //$NON-NLS-1$
}
}
}
}
}
/**
* Set the value of systemID.
*
* @param v
* Value to assign to systemID.
*/
public void setSystemID(String v) {
beginRecording(this, DTDCoreMessages._UI_LABEL_EXT_NODE_SYSTEM_ID_CHG); //$NON-NLS-1$
setSystemID(this, v);
endRecording(this);
}
}