protected CompoundRegion[] getOutsideRegions(IStructuredDocument model, IRegion reg) {
CompoundRegion[] ret = new CompoundRegion[2];
RegionIterator it = new RegionIterator(model, reg.getOffset());
it.prev();
if (it.hasPrev()) {
ITextRegion textRegion = it.prev();
IStructuredDocumentRegion documentRegion = it.getStructuredDocumentRegion();
ret[0] = new CompoundRegion(documentRegion, textRegion);
} else {
ret[0] = null;
}
it.reset(model, reg.getOffset() + reg.getLength());
if (it.hasNext()) {
ITextRegion textRegion = it.next();
IStructuredDocumentRegion documentRegion = it.getStructuredDocumentRegion();
ret[1] = new CompoundRegion(documentRegion, textRegion);
} else {
ret[1] = null;
}
return ret;
}
/**
* @return int
* @param node org.eclipse.wst.css.core.model.interfaces.ICSSNode
* @param insertPos int
*/
public int getLengthToReformatBefore(ICSSNode node, int insertPos) {
if (node == null) return 0;
IndexedRegion nnode = (IndexedRegion) node;
if (insertPos <= 0 || !nnode.contains(insertPos - 1)) return 0;
IStructuredDocumentRegion flatNode =
node.getOwnerDocument()
.getModel()
.getStructuredDocument()
.getRegionAtCharacterOffset(insertPos - 1);
if (flatNode == null) return 0;
ITextRegion region = flatNode.getRegionAtCharacterOffset(insertPos - 1);
if (region == null) return 0;
RegionIterator it = new RegionIterator(flatNode, region);
boolean found = false;
while (it.hasPrev()) {
region = it.prev();
// 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 =
insertPos
- (found
? it.getStructuredDocumentRegion().getTextEndOffset(region)
: it.getStructuredDocumentRegion().getStartOffset(region));
// flatNode = it.getStructuredDocumentRegion();
// if (found) {
// if (region.getLength() != region.getTextLength()) {
// pos = insertPos - flatNode.getTextEndOffset(region);
// } else {
// pos = insertPos - flatNode.getEndOffset(region);
// }
// } else {
// pos = insertPos - flatNode.getStartOffset(region);
// }
return (pos >= 0) ? pos : 0;
}
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);
}