String getLineDelimiter(ICSSNode node) {
ICSSModel model = (node != null) ? node.getOwnerDocument().getModel() : null;
return (model != null) ? model.getStructuredDocument().getLineDelimiter() : "\n"; // $NON-NLS-1$
// TODO : check whether to use model.getLineDelimiter() or
// model.getStructuredDocument().getLineDelimiter()
}
/**
* @return int
* @param node org.eclipse.wst.css.core.model.interfaces.ICSSNode
* @param insertPos int
*/
public int getLengthToReformatAfter(ICSSNode node, int insertPos) {
if (node == null) return 0;
IndexedRegion nnode = (IndexedRegion) node;
if (insertPos < 0 || !nnode.contains(insertPos)) return 0;
IStructuredDocumentRegion flatNode =
node.getOwnerDocument()
.getModel()
.getStructuredDocument()
.getRegionAtCharacterOffset(insertPos);
if (flatNode == null) return 0;
ITextRegion region = flatNode.getRegionAtCharacterOffset(insertPos);
if (region == null) return 0;
RegionIterator it = new RegionIterator(flatNode, region);
boolean found = false;
while (it.hasNext()) {
region = it.next();
// if (region.getType() != CSSRegionContexts.CSS_S &&
// region.getType() != CSSRegionContexts.CSS_DELIMITER &&
// region.getType() !=
// CSSRegionContexts.CSS_DECLARATION_DELIMITER) {
if (region.getType() != CSSRegionContexts.CSS_S) {
found = true;
break;
}
}
int pos =
(found
? it.getStructuredDocumentRegion().getStartOffset(region)
: it.getStructuredDocumentRegion().getTextEndOffset(region))
- insertPos;
return (pos >= 0) ? pos : 0;
}
protected void appendSpaceBefore(ICSSNode node, String toAppend, StringBuffer source) {
if (node == null || source == null) return;
if (isCleanup() && !getCleanupStrategy(node).isFormatSource())
return; // for not formatting case on cleanup action
Preferences preferences = CSSCorePlugin.getDefault().getPluginPreferences();
if (toAppend != null
&& toAppend.startsWith("{")
&& preferences.getBoolean(
CSSCorePreferenceNames.WRAPPING_NEWLINE_ON_OPEN_BRACE)) { // $NON-NLS-1$
source.append(getLineDelimiter(node));
source.append(getIndent(node));
return;
} else if (
/* ! mgr.isOnePropertyPerLine() && */ preferences.getInt(CSSCorePreferenceNames.LINE_WIDTH) > 0
&& (!preferences.getBoolean(CSSCorePreferenceNames.WRAPPING_PROHIBIT_WRAP_ON_ATTR)
|| node.getOwnerDocument().getNodeType() != ICSSNode.STYLEDECLARATION_NODE)) {
int n = getLastLineLength(node, source);
int append =
(toAppend != null)
? TextUtilities.indexOf(DefaultLineTracker.DELIMITERS, toAppend, 0)[0]
: 0;
if (toAppend != null) append = (append < 0) ? toAppend.length() : append;
if (n + append + 1 > preferences.getInt(CSSCorePreferenceNames.LINE_WIDTH)) {
source.append(getLineDelimiter(node));
source.append(getIndent(node));
source.append(getIndentString());
return;
}
}
source.append(" "); // $NON-NLS-1$
}
/**
* Insert the method's description here.
*
* @return org.eclipse.wst.css.core.internal.cleanup.CSSCleanupStrategy
* @param node org.eclipse.wst.css.core.model.interfaces.ICSSNode
*/
protected CSSCleanupStrategy getCleanupStrategy(ICSSNode node) {
CSSCleanupStrategy currentStrategy = CSSCleanupStrategyImpl.getInstance();
ICSSDocument doc = node.getOwnerDocument();
if (doc == null) return currentStrategy;
ICSSModel model = doc.getModel();
if (model == null) return currentStrategy;
if (model.getStyleSheetType() != ICSSModel.EXTERNAL) {
// TODO - TRANSITION Nakamori-san, or Kit, how can we move to
// "HTML" plugin?
// can we subclass?
// currentStrategy = CSSInHTMLCleanupStrategyImpl.getInstance();
}
return currentStrategy;
}
protected void appendDelimBefore(ICSSNode node, CompoundRegion toAppend, StringBuffer source) {
if (node == null || source == null) return;
if (isCleanup() && !getCleanupStrategy(node).isFormatSource())
return; // for not formatting case on cleanup action
String delim = getLineDelimiter(node);
boolean needIndent = !(node instanceof ICSSStyleSheet);
if (toAppend == null) {
source.append(delim);
source.append(getIndent(node));
if (needIndent) source.append(getIndentString());
} else {
String type = toAppend.getType();
if (type == CSSRegionContexts.CSS_COMMENT) {
RegionIterator it =
new RegionIterator(toAppend.getDocumentRegion(), toAppend.getTextRegion());
it.prev();
ITextRegion prev = it.prev();
int[] result = null;
if (prev == null
|| (prev.getType() == CSSRegionContexts.CSS_S
&& (result =
TextUtilities.indexOf(
DefaultLineTracker.DELIMITERS,
it.getStructuredDocumentRegion().getText(prev),
0))
[0]
>= 0)) {
// Collapse to one empty line if there's more than one.
int offset = result[0] + DefaultLineTracker.DELIMITERS[result[1]].length();
if (offset < it.getStructuredDocumentRegion().getText(prev).length()) {
if (TextUtilities.indexOf(
DefaultLineTracker.DELIMITERS,
it.getStructuredDocumentRegion().getText(prev),
offset)[0]
>= 0) {
source.append(delim);
}
}
source.append(delim);
source.append(getIndent(node));
if (needIndent) source.append(getIndentString());
} else if (prev.getType() == CSSRegionContexts.CSS_COMMENT) {
String fullText = toAppend.getDocumentRegion().getFullText(prev);
String trimmedText = toAppend.getDocumentRegion().getText(prev);
String whiteSpaces = ""; // $NON-NLS-1$
if (fullText != null && trimmedText != null)
whiteSpaces = fullText.substring(trimmedText.length());
int[] delimiterFound =
TextUtilities.indexOf(DefaultLineTracker.DELIMITERS, whiteSpaces, 0);
if (delimiterFound[0] != -1) {
source.append(delim);
} else {
appendSpaceBefore(node, toAppend.getText(), source);
/*If two comments can't be adjusted in one line(combined length exceeds line width),
* a tab is also appended along with next line delimiter , we need to remove that.
*/
if (source.toString().endsWith(getIndentString())) {
source.delete((source.length() - getIndentString().length()), source.length());
}
}
} else {
appendSpaceBefore(node, toAppend.getText(), source);
}
} else if (type == CSSRegionContexts.CSS_DELIMITER
|| type == CSSRegionContexts.CSS_DECLARATION_DELIMITER) {
RegionIterator it =
new RegionIterator(toAppend.getDocumentRegion(), toAppend.getTextRegion());
it.prev();
ITextRegion prev = it.prev();
Preferences preferences = CSSCorePlugin.getDefault().getPluginPreferences();
if (prev.getType() == CSSRegionContexts.CSS_S
&& TextUtilities.indexOf(
DefaultLineTracker.DELIMITERS,
it.getStructuredDocumentRegion().getText(prev),
0)[0]
>= 0) {
source.append(delim);
source.append(getIndent(node));
if (needIndent) source.append(getIndentString());
} else if (preferences.getInt(CSSCorePreferenceNames.LINE_WIDTH) > 0
&& (!preferences.getBoolean(CSSCorePreferenceNames.WRAPPING_PROHIBIT_WRAP_ON_ATTR)
|| node.getOwnerDocument().getNodeType() != ICSSNode.STYLEDECLARATION_NODE)) {
int length = getLastLineLength(node, source);
int append = 1;
if (length + append > preferences.getInt(CSSCorePreferenceNames.LINE_WIDTH)) {
source.append(getLineDelimiter(node));
source.append(getIndent(node));
if (needIndent) source.append(getIndentString());
}
}
} else if (type == CSSRegionContexts.CSS_RBRACE || type == CSSRegionContexts.CSS_LBRACE) {
source.append(delim);
source.append(getIndent(node));
} else {
source.append(delim);
source.append(getIndent(node));
if (needIndent) source.append(getIndentString());
}
}
}
protected void appendSpaceBefore(ICSSNode node, CompoundRegion toAppend, StringBuffer source) {
if (node == null || toAppend == null || source == null) return;
if (isCleanup() && !getCleanupStrategy(node).isFormatSource())
return; // for not formatting case on cleanup action
String type = toAppend.getType();
Preferences preferences = CSSCorePlugin.getDefault().getPluginPreferences();
boolean needIndent = !(node instanceof ICSSStyleSheet);
if (type == CSSRegionContexts.CSS_COMMENT) {
// check whether previous region is 'S' and has CR-LF
String delim = getLineDelimiter(node);
RegionIterator it =
new RegionIterator(toAppend.getDocumentRegion(), toAppend.getTextRegion());
it.prev();
ITextRegion prev = it.prev();
// bug390904
if (prev.getType() == CSSRegionContexts.CSS_LBRACE
&& TextUtilities.indexOf(
DefaultLineTracker.DELIMITERS,
it.getStructuredDocumentRegion().getFullText(prev),
0)[0]
> 0) {
source.append(delim);
source.append(getIndent(node));
source.append(getIndentString());
} else if (prev.getType() == CSSRegionContexts.CSS_S
&& TextUtilities.indexOf(
DefaultLineTracker.DELIMITERS, it.getStructuredDocumentRegion().getText(prev), 0)[
0]
>= 0) {
source.append(delim);
source.append(getIndent(node));
if (needIndent) source.append(getIndentString());
} else {
appendSpaceBefore(node, toAppend.getText(), source);
}
} else if (type == CSSRegionContexts.CSS_LBRACE
&& preferences.getBoolean(CSSCorePreferenceNames.WRAPPING_NEWLINE_ON_OPEN_BRACE)) {
String delim = getLineDelimiter(node);
source.append(delim);
source.append(getIndent(node));
// } else if (type == CSSRegionContexts.CSS_CURLY_BRACE_CLOSE) {
// } else if (type == CSSRegionContexts.CSS_INCLUDES || type ==
// CSSRegionContexts.CSS_DASHMATCH) {
} else if (type == CSSRegionContexts.CSS_DECLARATION_SEPARATOR
&& node instanceof ICSSStyleDeclItem) {
int n = preferences.getInt(CSSCorePreferenceNames.FORMAT_PROP_PRE_DELIM);
// no delimiter case
while (n-- > 0) source.append(" "); // $NON-NLS-1$
} else if (type == CSSRegionContexts.CSS_DECLARATION_VALUE_OPERATOR
|| type == CSSRegionContexts.CSS_DECLARATION_VALUE_PARENTHESIS_CLOSE) {
if (preferences.getInt(CSSCorePreferenceNames.LINE_WIDTH) > 0
&& (!preferences.getBoolean(CSSCorePreferenceNames.WRAPPING_PROHIBIT_WRAP_ON_ATTR)
|| node.getOwnerDocument().getNodeType() != ICSSNode.STYLEDECLARATION_NODE)) {
int length = getLastLineLength(node, source);
int append = 1;
if (length + append > preferences.getInt(CSSCorePreferenceNames.LINE_WIDTH)) {
source.append(getLineDelimiter(node));
source.append(getIndent(node));
if (needIndent) source.append(getIndentString());
}
}
} else if (CSSRegionContexts.CSS_FOREIGN_ELEMENT == type
|| CSSRegionContexts.CSS_DECLARATION_DELIMITER == type) {
return;
} else appendSpaceBefore(node, toAppend.getText(), source);
}
