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/*******************************************************************************
* Copyright (c) 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
*******************************************************************************/
package org.eclipse.wst.css.core.internal.formatter;
import org.eclipse.jface.text.IRegion;
import org.eclipse.wst.css.core.internal.parser.CSSRegionUtil;
import org.eclipse.wst.css.core.internal.parserz.CSSRegionContexts;
import org.eclipse.wst.css.core.internal.provisional.document.ICSSNode;
import org.eclipse.wst.sse.core.IndexedRegion;
/**
*
*/
public class DefaultCSSSourceFormatter extends AbstractCSSSourceFormatter {
/**
*
*/
DefaultCSSSourceFormatter() {
super();
}
/**
*
*/
protected void appendSpaceBetween(ICSSNode node, CompoundRegion prev, CompoundRegion next, StringBuffer source) {
if (isCleanup() && !getCleanupStrategy(node).isFormatSource())
return; // for not formatting case on cleanup action
// in selector
String prevType = prev.getType();
String nextType = next.getType();
if (CSSRegionUtil.isSelectorBegginingType(prevType) && CSSRegionUtil.isSelectorBegginingType(nextType)) {
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=73990
// Formatting CSS file splits element.class into element . class
if ((prevType == CSSRegionContexts.CSS_SELECTOR_ELEMENT_NAME && (nextType == CSSRegionContexts.CSS_SELECTOR_CLASS || nextType == CSSRegionContexts.CSS_SELECTOR_ID)) || ((prevType == CSSRegionContexts.CSS_SELECTOR_ELEMENT_NAME || prevType == CSSRegionContexts.CSS_SELECTOR_CLASS) && nextType == CSSRegionContexts.CSS_SELECTOR_PSEUDO)) {
// Individually, SELECTOR_ELEMENT_NAME, SELECTOR_CLASS, and SELECTOR_ID can all be beginning types.
// But, we should not insert a space in between when SELECTOR_ELEMENT_NAME is followed by SELECTOR_CLASS, or when
// SELECTOR_ELEMENT_NAME is followed by SELECTOR_ID.
// For example: H1.pastoral and H1#z98y
//
// Also, space is now not inserted in between when SELECTOR_ELEMENT_NAME is followed by SELECTOR_PSEUDO, or when
// SELECTOR_CLASS is followed by SELECTOR_PSEUDO.
// For example: P:first-letter and A.external:visited
}
else
appendSpaceBefore(node, next, source);
return;
}
if (prevType == CSSRegionContexts.CSS_PAGE || prevType == CSSRegionContexts.CSS_CHARSET || prevType == CSSRegionContexts.CSS_ATKEYWORD || prevType == CSSRegionContexts.CSS_FONT_FACE || prevType == CSSRegionContexts.CSS_IMPORT || prevType == CSSRegionContexts.CSS_MEDIA) {
appendSpaceBefore(node, next, source);
return;
}
if (prevType == CSSRegionContexts.CSS_UNKNOWN && nextType != CSSRegionContexts.CSS_COMMENT) {
if (prev.getEndOffset() != next.getStartOffset()) { // not
// sequential
appendSpaceBefore(node, next, source);
}
return;
}
if (prevType == CSSRegionContexts.CSS_DECLARATION_VALUE_OPERATOR || prevType == CSSRegionContexts.CSS_COMMENT || nextType == CSSRegionContexts.CSS_COMMENT || nextType == CSSRegionContexts.CSS_LBRACE || nextType == CSSRegionContexts.CSS_UNKNOWN) {
appendSpaceBefore(node, next, source);
return;
}
}
/**
*
*/
protected void formatBefore(ICSSNode node, ICSSNode child, String toAppend, StringBuffer source, IRegion exceptFor) {
}
/**
*
*/
protected void formatBefore(ICSSNode node, ICSSNode child, IRegion region, String toAppend, StringBuffer source) {
}
/**
*
*/
protected void formatPost(ICSSNode node, StringBuffer source) {
}
/**
*
*/
protected void formatPost(ICSSNode node, IRegion region, StringBuffer source) {
}
/**
*
*/
protected void formatPre(ICSSNode node, StringBuffer source) {
}
/**
*
*/
protected void formatPre(ICSSNode node, IRegion region, StringBuffer source) {
}
/**
*
*/
public int getChildInsertPos(ICSSNode node) {
int n = ((IndexedRegion) node).getEndOffset();
if (n > 0)
return n;
return -1;
}
}
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