@Nullable
public static PsiElement searchNonSpaceNonCommentBack(PsiElement element) {
if (element == null || element.getNode() == null) return null;
ASTNode leftNeibour = TreeUtil.prevLeaf(element.getNode());
while (leftNeibour != null
&& (leftNeibour.getElementType() == TokenType.WHITE_SPACE
|| leftNeibour.getPsi() instanceof PsiComment)) {
leftNeibour = TreeUtil.prevLeaf(leftNeibour);
}
return leftNeibour != null ? leftNeibour.getPsi() : null;
}
@Override
protected String replaceWithPsiInLeaf(
final TextRange textRange, String whiteSpace, ASTNode leafElement) {
if (!myCanModifyAllWhiteSpaces) {
if (leafElement.getElementType() == TokenType.WHITE_SPACE) return null;
LOG.assertTrue(leafElement.getPsi().isValid());
ASTNode prevNode = TreeUtil.prevLeaf(leafElement);
if (prevNode != null) {
IElementType type = prevNode.getElementType();
if (type == TokenType.WHITE_SPACE) {
final String text = prevNode.getText();
final @NonNls String cdataStartMarker = "<![CDATA[";
final int cdataPos = text.indexOf(cdataStartMarker);
if (cdataPos != -1 && whiteSpace.indexOf(cdataStartMarker) == -1) {
whiteSpace = mergeWsWithCdataMarker(whiteSpace, text, cdataPos);
if (whiteSpace == null) return null;
}
prevNode = TreeUtil.prevLeaf(prevNode);
type = prevNode != null ? prevNode.getElementType() : null;
}
final @NonNls String cdataEndMarker = "]]>";
if (type == XmlTokenType.XML_CDATA_END && whiteSpace.indexOf(cdataEndMarker) == -1) {
final ASTNode at = findElementAt(prevNode.getStartOffset());
if (at != null && at.getPsi() instanceof PsiWhiteSpace) {
final String s = at.getText();
final int cdataEndPos = s.indexOf(cdataEndMarker);
whiteSpace = mergeWsWithCdataMarker(whiteSpace, s, cdataEndPos);
leafElement = at;
} else {
whiteSpace = null;
}
if (whiteSpace == null) return null;
}
}
}
FormatterUtil.replaceWhiteSpace(whiteSpace, leafElement, TokenType.WHITE_SPACE, textRange);
return whiteSpace;
}