/*******************************************************************************
* Copyright (c) 2004, 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
*******************************************************************************/
package org.eclipse.wst.css.core.internal.formatter;
import org.eclipse.core.runtime.Preferences;
import org.eclipse.jface.text.IRegion;
import org.eclipse.wst.css.core.internal.CSSCorePlugin;
import org.eclipse.wst.css.core.internal.cleanup.CSSCleanupStrategy;
import org.eclipse.wst.css.core.internal.parserz.CSSRegionContexts;
import org.eclipse.wst.css.core.internal.preferences.CSSCorePreferenceNames;
import org.eclipse.wst.css.core.internal.provisional.document.ICSSAttr;
import org.eclipse.wst.css.core.internal.provisional.document.ICSSNode;
import org.eclipse.wst.css.core.internal.provisional.document.ICounter;
import org.eclipse.wst.css.core.internal.util.CSSUtil;
import org.eclipse.wst.css.core.internal.util.RegionIterator;
import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion;
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.ITextRegion;
/**
*
*/
public class CounterFormatter extends DefaultCSSSourceFormatter {
private static CounterFormatter instance;
/**
*
*/
CounterFormatter() {
super();
}
/**
*
*/
public StringBuffer formatAttrChanged(ICSSNode node, ICSSAttr attr, boolean insert, AttrChangeContext context) {
Preferences preferences = CSSCorePlugin.getDefault().getPluginPreferences();
StringBuffer source = new StringBuffer();
if (node == null || attr == null)
return source;
if (!ICounter.IDENTIFIER.equalsIgnoreCase(attr.getName()) && !ICounter.LISTSTYLE.equalsIgnoreCase(attr.getName()) && !ICounter.SEPARATOR.equalsIgnoreCase(attr.getName()))
return source;
// get region to replace
IndexedRegion iNode = (IndexedRegion) node;
context.start = iNode.getStartOffset();
context.end = iNode.getEndOffset();
ICounter counter = (ICounter) node;
String quote = preferences.getString(CSSCorePreferenceNames.FORMAT_QUOTE);
String sep = counter.getSeparator();
String ident = counter.getIdentifier();
String style = counter.getListStyle();
if (ICounter.IDENTIFIER.equalsIgnoreCase(attr.getName())) {
if (insert)
ident = attr.getValue();
else
ident = "";//$NON-NLS-1$
}
else if (ICounter.LISTSTYLE.equalsIgnoreCase(attr.getName())) {
if (insert)
style = attr.getValue();
else
style = null;
}
else if (ICounter.SEPARATOR.equalsIgnoreCase(attr.getName())) {
if (insert)
sep = attr.getValue();
else
sep = null;
}
quote = CSSUtil.detectQuote(sep, quote);
sep = (sep == null || sep.length() == 0) ? null : (quote + sep + quote);
String func = (sep == null || sep.length() == 0) ? "counter(" : "counters(";//$NON-NLS-2$//$NON-NLS-1$
if (preferences.getInt(CSSCorePreferenceNames.CASE_PROPERTY_VALUE) == CSSCorePreferenceNames.UPPER) {
ident = ident.toUpperCase();
style = style.toUpperCase();
func = func.toUpperCase();
}
else {
ident = ident.toLowerCase();
style = style.toLowerCase();
}
if (sep == null || sep.length() == 0) {
source.append(func);
appendSpaceBefore(node, ident, source);
source.append(ident);
}
else {
source.append(func);
appendSpaceBefore(node, ident, source);
source.append(ident);
source.append(",");//$NON-NLS-1$
appendSpaceBefore(node, sep, source);
source.append(sep);
}
if (style != null && style.length() != 0) {
source.append(",");//$NON-NLS-1$
appendSpaceBefore(node, style, source);
}
source.append(")");//$NON-NLS-1$
/*
* IStructuredDocument structuredDocument =
* node.getOwnerDocument().getModel().getStructuredDocument();
* ITextRegion[] regions =
* getRegionsWithoutWhiteSpaces(structuredDocument, new
* FormatRegion(context.start, context.end - context.start + 1)); int
* commas[2]; int numComma = 0; for(int j = 0; j <regions.length; j++) {
* if (regions[j].getType() == CSSRegionContexts.COMMA) {
* commas[numComma++] = j; if (numComma > 1) break; } }
*
* if (ICounter.IDENTIFIER.equalsIgnoreCase(attr.getName())) { } else
* if (ICounter.LISTSTYLE.equalsIgnoreCase(attr.getName())) { } else
* if (ICounter.SEPARATOR.equalsIgnoreCase(attr.getName())) { boolean
* skipSpace = false; String func = insert ? "counters(" : "counter(";
* if (mgr.isPropValueUpperCase()) func = func.toUpperCase();
*
* for(int i=0; i <regions.length; i++) { if (regions[i].getType() ==
* CSSRegionContexts.CSS_DECLARATION_VALUE_FUNCTION)
* source.append(func); else { if (numComma == 2 && commas[1] < i) {
* } else if (numComma == 1 && commas[0] < i && insert) {
* } else if (numComma == 1 && commas[0] < i && ! insert) { } else if
* (numComma == 0 && insert && regions[i].getType ==
* CSSRegionContexts.PARENTHESIS_CLOSE) { source.append(",");
* appendSpaceBefore(node,attr.getValue(),source);
* source.append(attr.getValue()); }
*
* if (i != 0 && !skipSpace)
* appendSpaceBefore(node,regions[i],source);
* source.append(decoratedPropValueRegion(regions[i])); } skipSpace =
* false;
*
* if (regions[i].getType() ==
* CSSRegionContexts.CSS_DECLARATION_VALUE_FUNCTION) skipSpace = true; } }
*/
return source;
}
/**
*
*/
protected void formatPre(ICSSNode node, StringBuffer source) {
int start = ((IndexedRegion) node).getStartOffset();
int end = ((IndexedRegion) node).getEndOffset();
Preferences preferences = CSSCorePlugin.getDefault().getPluginPreferences();
CSSCleanupStrategy stgy = getCleanupStrategy(node);
if (end > 0) { // format source
IStructuredDocument structuredDocument = node.getOwnerDocument().getModel().getStructuredDocument();
CompoundRegion[] regions = getRegionsWithoutWhiteSpaces(structuredDocument, new FormatRegion(start, end - start), stgy);
boolean skipSpace = false;
for (int i = 0; i < regions.length; i++) {
if (i != 0 && !skipSpace)
appendSpaceBefore(node, regions[i], source);
skipSpace = false;
source.append(decoratedPropValueRegion(regions[i], stgy));
if (regions[i].getType() == CSSRegionContexts.CSS_DECLARATION_VALUE_FUNCTION)
skipSpace = true;
}
}
else { // generate source
ICounter counter = (ICounter) node;
String quote = preferences.getString(CSSCorePreferenceNames.FORMAT_QUOTE);
String separator = counter.getSeparator();
quote = CSSUtil.detectQuote(separator, quote);
String sep = (separator == null || separator.length() == 0) ? null : (quote + separator + quote);
String ident = counter.getIdentifier();
String style = counter.getListStyle();
String func = (sep == null || sep.length() == 0) ? "counter(" : "counters(";//$NON-NLS-2$//$NON-NLS-1$
// normalize
if (ident == null)
ident = "";//$NON-NLS-1$
if (style == null)
style = "";//$NON-NLS-1$
if (preferences.getInt(CSSCorePreferenceNames.CASE_PROPERTY_VALUE) == CSSCorePreferenceNames.UPPER) {
ident = ident.toUpperCase();
style = style.toUpperCase();
func = func.toUpperCase();
}
else {
ident = ident.toLowerCase();
style = style.toLowerCase();
}
if (sep == null || sep.length() == 0) {
source.append(func);
appendSpaceBefore(node, ident, source);
source.append(ident);
}
else {
source.append(func);
appendSpaceBefore(node, ident, source);
source.append(ident);
source.append(",");//$NON-NLS-1$
appendSpaceBefore(node, sep, source);
source.append(sep);
}
if (style != null && style.length() != 0) {
source.append(",");//$NON-NLS-1$
appendSpaceBefore(node, style, source);
}
source.append(")");//$NON-NLS-1$
}
}
/**
*
*/
protected void formatPre(ICSSNode node, IRegion region, StringBuffer source) {
IStructuredDocument structuredDocument = node.getOwnerDocument().getModel().getStructuredDocument();
CSSCleanupStrategy stgy = getCleanupStrategy(node);
CompoundRegion[] regions = getRegionsWithoutWhiteSpaces(structuredDocument, region, stgy);
CompoundRegion[] outside = getOutsideRegions(structuredDocument, region);
for (int i = 0; i < regions.length; i++) {
if (i != 0 || needS(outside[0]))
appendSpaceBefore(node, regions[i], source);
source.append(decoratedPropValueRegion(regions[i], stgy));
}
if (needS(outside[1]) && !isIncludesPreEnd(node, region))
appendSpaceBefore(node, outside[1], source);
}
/**
*
*/
public int getAttrInsertPos(ICSSNode node, String attrName) {
if (node == null || attrName == null || attrName.length() == 0)
return -1;
IndexedRegion iNode = (IndexedRegion) node;
if (ICounter.IDENTIFIER.equalsIgnoreCase(attrName)) {
ICSSAttr attr = (ICSSAttr) node.getAttributes().getNamedItem(ICounter.IDENTIFIER);
if (attr != null && ((IndexedRegion) attr).getEndOffset() > 0)
return ((IndexedRegion) attr).getStartOffset();
if (iNode.getEndOffset() <= 0)
return -1;
IStructuredDocumentRegion flatNode = node.getOwnerDocument().getModel().getStructuredDocument().getRegionAtCharacterOffset(iNode.getEndOffset() - 1);
RegionIterator it = new RegionIterator(flatNode, flatNode.getRegionAtCharacterOffset(iNode.getEndOffset() - 1));
while (it.hasPrev()) {
ITextRegion region = it.prev();
if (region.getType() == CSSRegionContexts.CSS_DECLARATION_VALUE_FUNCTION)
return it.getStructuredDocumentRegion().getEndOffset(region);
}
return ((IndexedRegion) node).getEndOffset();
}
else if (ICounter.LISTSTYLE.equalsIgnoreCase(attrName)) {
ICSSAttr attr = (ICSSAttr) node.getAttributes().getNamedItem(ICounter.LISTSTYLE);
if (attr != null && ((IndexedRegion) attr).getEndOffset() > 0)
return ((IndexedRegion) attr).getStartOffset();
IStructuredDocumentRegion flatNode = node.getOwnerDocument().getModel().getStructuredDocument().getRegionAtCharacterOffset(iNode.getEndOffset() - 1);
RegionIterator it = new RegionIterator(flatNode, flatNode.getRegionAtCharacterOffset(iNode.getEndOffset() - 1));
while (it.hasPrev()) {
ITextRegion region = it.prev();
if (region.getType() == CSSRegionContexts.CSS_DECLARATION_VALUE_OPERATOR)
return it.getStructuredDocumentRegion().getEndOffset(region);
else if (region.getType() == CSSRegionContexts.CSS_DECLARATION_VALUE_FUNCTION)
return it.getStructuredDocumentRegion().getEndOffset(region);
}
return ((IndexedRegion) node).getEndOffset();
}
else if (ICounter.SEPARATOR.equalsIgnoreCase(attrName)) {
ICSSAttr attr = (ICSSAttr) node.getAttributes().getNamedItem(ICounter.SEPARATOR);
if (attr != null && ((IndexedRegion) attr).getEndOffset() > 0)
return ((IndexedRegion) attr).getStartOffset();
IStructuredDocumentRegion flatNode = node.getOwnerDocument().getModel().getStructuredDocument().getRegionAtCharacterOffset(iNode.getEndOffset() - 1);
RegionIterator it = new RegionIterator(flatNode, flatNode.getRegionAtCharacterOffset(iNode.getEndOffset() - 1));
boolean hasComma = false;
while (it.hasPrev()) {
ITextRegion region = it.prev();
if (region.getType() == CSSRegionContexts.CSS_DECLARATION_VALUE_OPERATOR) {
if (!hasComma)
hasComma = true;
else
return it.getStructuredDocumentRegion().getEndOffset(region);
}
else if (region.getType() == CSSRegionContexts.CSS_DECLARATION_VALUE_FUNCTION)
return it.getStructuredDocumentRegion().getEndOffset(region);
}
return ((IndexedRegion) node).getEndOffset();
}
else
return -1;
}
/**
*
*/
public synchronized static CounterFormatter getInstance() {
if (instance == null)
instance = new CounterFormatter();
return instance;
}
}