boolean (XPathExpression expression, Set<XPathExpression> matchingExpressions, List<XmlTag> otherMatches, RefactoringOptions dlg) { final XmlAttribute attribute = PsiTreeUtil.getContextOfType(expression, XmlAttribute.class, true); assert attribute != null; try { final String name = dlg.getName(); final XmlTag rootTag = ((XmlFile)attribute.getParent().getContainingFile()).getRootTag(); final XmlTag[] templates = rootTag.findSubTags("template", XsltSupport.XSLT_NS); final XmlTag insertionPoint = templates.length > 0 ? templates[0] : rootTag.getSubTags()[0]; final XmlTag parentTag = insertionPoint.getParentTag(); assert parentTag != null : "Could not locate position to create function at"; final XmlTag xmlTag = parentTag.createChildTag("function", XsltSupport.XSLT_NS, null, false); xmlTag.setAttribute("name", name); final XPathType type = ExpectedTypeUtil.mapType(expression, expression.getType()); xmlTag.setAttribute("as", prefixedName(type, insertionPoint)); final StringBuilder argList = new StringBuilder(); final List<XPathVariableReference> references = RefactoringUtil.collectVariableReferences(expression); for (XPathVariableReference reference : references) { final XPathVariable variable = reference.resolve(); if (variable instanceof XsltVariable) { // don't pass through global parameters and variables if (XsltCodeInsightUtil.getTemplateTag(variable, false) != null) { final XmlTag param = parentTag.createChildTag("param", XsltSupport.XSLT_NS, null, false); param.setAttribute("name", variable.getName()); if (!variable.getType().isAbstract()) { param.setAttribute("as", prefixedName(ExpectedTypeUtil.mapType(expression, variable.getType()), parentTag)); } RefactoringUtil.addParameter(xmlTag, param); if (argList.length() > 0) { argList.append(", "); } argList.append("$").append(variable.getName()); } } } final XmlTag seqTag = parentTag.createChildTag("sequence", XsltSupport.XSLT_NS, null, false); seqTag.setAttribute("select", expression.getText()); xmlTag.add(seqTag); // TODO: revisit the formatting final PsiElement element = parentTag.addBefore(xmlTag, insertionPoint); final ASTNode node1 = parentTag.getNode(); assert node1 != null; final ASTNode node2 = element.getNode(); assert node2 != null; CodeStyleManager.getInstance(xmlTag.getManager().getProject()).reformatNewlyAddedElement(node1, node2); final XPathExpression var = XPathChangeUtil.createExpression(expression, name + "(" + argList + ")"); expression.replace(var); return true; } catch (IncorrectOperationException e) { Logger.getInstance(getClass().getName()).error(e); return false; } }