private PsiCodeBlock getCodeBlock() throws IncorrectOperationException { if (codeBlock == null) { codeBlock = (PsiCodeBlock) MatcherImplUtil .createTreeFromText( myContext.getOptions().getMatchOptions().getSearchPattern(), PatternTreeContext.Block, myContext.getOptions().getMatchOptions().getFileType(), myContext.getProject())[0] .getParent(); } return codeBlock; }
public void replace(final ReplacementInfo info, ReplaceOptions options) { PsiElement elementToReplace = info.getMatch(0); PsiElement elementParent = elementToReplace.getParent(); String replacementToMake = info.getReplacement(); Project project = myContext.getProject(); PsiElement el = findRealSubstitutionElement(elementToReplace); boolean listContext = isListContext(el); if (el instanceof PsiAnnotation && !StringUtil.startsWithChar(replacementToMake, '@')) { replacementToMake = "@" + replacementToMake; } PsiElement[] statements = ReplacerUtil.createTreeForReplacement( replacementToMake, el instanceof PsiMember && !isSymbolReplacement(el) ? PatternTreeContext.Class : PatternTreeContext.Block, myContext); if (listContext) { if (statements.length > 1) { elementParent.addRangeBefore( statements[0], statements[statements.length - 1], elementToReplace); } else if (statements.length == 1) { PsiElement replacement = getMatchExpr(statements[0], elementToReplace); handleModifierList(el, replacement); replacement = handleSymbolReplacement(replacement, el); if (replacement instanceof PsiTryStatement) { final List<PsiCatchSection> unmatchedCatchSections = el.getUserData(JavaMatchingVisitor.UNMATCHED_CATCH_SECTION_CONTENT_VAR_KEY); final PsiCatchSection[] catches = ((PsiTryStatement) replacement).getCatchSections(); if (unmatchedCatchSections != null) { for (int i = unmatchedCatchSections.size() - 1; i >= 0; --i) { final PsiParameter parameter = unmatchedCatchSections.get(i).getParameter(); final PsiElementFactory elementFactory = JavaPsiFacade.getInstance(project).getElementFactory(); final PsiCatchSection catchSection = elementFactory.createCatchSection(parameter.getType(), parameter.getName(), null); catchSection.getCatchBlock().replace(unmatchedCatchSections.get(i).getCatchBlock()); replacement.addAfter(catchSection, catches[catches.length - 1]); replacement.addBefore(createWhiteSpace(replacement), replacement.getLastChild()); } } } try { final PsiElement inserted = elementParent.addBefore(replacement, elementToReplace); if (replacement instanceof PsiComment && (elementParent instanceof PsiIfStatement || elementParent instanceof PsiLoopStatement)) { elementParent.addAfter(createSemicolon(replacement), inserted); } } catch (IncorrectOperationException e) { elementToReplace.replace(replacement); } } } else if (statements.length > 0) { PsiElement replacement = ReplacerUtil.copySpacesAndCommentsBefore( elementToReplace, statements, replacementToMake, elementParent); replacement = getMatchExpr(replacement, elementToReplace); if (replacement instanceof PsiStatement && !(replacement.getLastChild() instanceof PsiJavaToken) && !(replacement.getLastChild() instanceof PsiComment)) { // assert w/o ; final PsiElement prevLastChildInParent = replacement.getLastChild().getPrevSibling(); if (prevLastChildInParent != null) { elementParent.addRangeBefore(replacement.getFirstChild(), prevLastChildInParent, el); } else { elementParent.addBefore(replacement.getFirstChild(), el); } el.getNode().getTreeParent().removeChild(el.getNode()); } else { // preserve comments handleModifierList(el, replacement); if (replacement instanceof PsiClass) { // modifier list final PsiStatement[] searchStatements = getCodeBlock().getStatements(); if (searchStatements.length > 0 && searchStatements[0] instanceof PsiDeclarationStatement && ((PsiDeclarationStatement) searchStatements[0]).getDeclaredElements()[0] instanceof PsiClass) { final PsiClass replaceClazz = (PsiClass) replacement; final PsiClass queryClazz = (PsiClass) ((PsiDeclarationStatement) searchStatements[0]).getDeclaredElements()[0]; final PsiClass clazz = (PsiClass) el; if (replaceClazz.getExtendsList().getTextLength() == 0 && queryClazz.getExtendsList().getTextLength() == 0 && clazz.getExtendsList().getTextLength() != 0) { replaceClazz.addBefore( clazz.getExtendsList().getPrevSibling(), replaceClazz.getExtendsList()); // whitespace replaceClazz .getExtendsList() .addRange( clazz.getExtendsList().getFirstChild(), clazz.getExtendsList().getLastChild()); } if (replaceClazz.getImplementsList().getTextLength() == 0 && queryClazz.getImplementsList().getTextLength() == 0 && clazz.getImplementsList().getTextLength() != 0) { replaceClazz.addBefore( clazz.getImplementsList().getPrevSibling(), replaceClazz.getImplementsList()); // whitespace replaceClazz .getImplementsList() .addRange( clazz.getImplementsList().getFirstChild(), clazz.getImplementsList().getLastChild()); } if (replaceClazz.getTypeParameterList().getTextLength() == 0 && queryClazz.getTypeParameterList().getTextLength() == 0 && clazz.getTypeParameterList().getTextLength() != 0) { // skip < and > replaceClazz.getTypeParameterList().replace(clazz.getTypeParameterList()); } } } replacement = handleSymbolReplacement(replacement, el); el.replace(replacement); } } else { final PsiElement nextSibling = el.getNextSibling(); el.delete(); if (nextSibling instanceof PsiWhiteSpace && nextSibling.isValid()) { nextSibling.delete(); } } if (listContext) { final int matchSize = info.getMatchesCount(); for (int i = 0; i < matchSize; ++i) { PsiElement matchElement = info.getMatch(i); PsiElement element = findRealSubstitutionElement(matchElement); if (element == null) continue; PsiElement firstToDelete = element; PsiElement lastToDelete = element; PsiElement prevSibling = element.getPrevSibling(); PsiElement nextSibling = element.getNextSibling(); if (prevSibling instanceof PsiWhiteSpace) { firstToDelete = prevSibling; prevSibling = prevSibling != null ? prevSibling.getPrevSibling() : null; } else if (prevSibling == null && nextSibling instanceof PsiWhiteSpace) { lastToDelete = nextSibling; } if (nextSibling instanceof XmlText && i + 1 < matchSize) { final PsiElement next = info.getMatch(i + 1); if (next != null && next == nextSibling.getNextSibling()) { lastToDelete = nextSibling; } } if (element instanceof PsiExpression) { final PsiElement parent = element.getParent().getParent(); if ((parent instanceof PsiCall || parent instanceof PsiAnonymousClass) && prevSibling instanceof PsiJavaToken && ((PsiJavaToken) prevSibling).getTokenType() == JavaTokenType.COMMA) { firstToDelete = prevSibling; } } else if (element instanceof PsiParameter && prevSibling instanceof PsiJavaToken && ((PsiJavaToken) prevSibling).getTokenType() == JavaTokenType.COMMA) { firstToDelete = prevSibling; } element.getParent().deleteChildRange(firstToDelete, lastToDelete); } } }
@Override public StructuralReplaceHandler getReplaceHandler(@NotNull ReplacementContext context) { return new DocumentBasedReplaceHandler(context.getProject()); }