| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.jetbrains.plugins.groovy.intentions.conversions.strings; |
| |
| import com.intellij.lang.ASTNode; |
| import com.intellij.openapi.editor.Document; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.tree.IElementType; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.plugins.groovy.intentions.base.Intention; |
| import org.jetbrains.plugins.groovy.intentions.base.PsiElementPredicate; |
| import org.jetbrains.plugins.groovy.lang.lexer.GroovyTokenTypes; |
| import org.jetbrains.plugins.groovy.lang.parser.GroovyElementTypes; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.literals.GrLiteral; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.literals.GrString; |
| import org.jetbrains.plugins.groovy.lang.psi.util.GrStringUtil; |
| |
| /** |
| * @author Max Medvedev |
| */ |
| public class RemoveUnnecessaryEscapeCharactersIntention extends Intention { |
| public static final String HINT = "Remove unnecessary escape characters"; |
| |
| @Override |
| protected void processIntention(@NotNull PsiElement element, Project project, Editor editor) throws IncorrectOperationException { |
| final Document document = editor.getDocument(); |
| final TextRange range = element.getTextRange(); |
| |
| document.replaceString(range.getStartOffset(), range.getEndOffset(), removeUnnecessaryEscapeSymbols((GrLiteral)element)); |
| } |
| |
| @NotNull |
| @Override |
| protected PsiElementPredicate getElementPredicate() { |
| return new PsiElementPredicate() { |
| @Override |
| public boolean satisfiedBy(PsiElement element) { |
| if (!(element instanceof GrLiteral)) return false; |
| |
| String text = element.getText(); |
| return GrStringUtil.getStartQuote(text) != null && !removeUnnecessaryEscapeSymbols((GrLiteral)element).equals(text); |
| } |
| }; |
| } |
| |
| private static String removeUnnecessaryEscapeSymbols(final GrLiteral literal) { |
| final String text = literal.getText(); |
| final String quote = GrStringUtil.getStartQuote(text); |
| final String value = GrStringUtil.removeQuotes(text); |
| |
| final StringBuilder buffer = new StringBuilder(); |
| buffer.append(quote); |
| |
| if (quote == "'") { |
| GrStringUtil.escapeAndUnescapeSymbols(value, "", "\"$", buffer); |
| } |
| else if (quote == "'''") { |
| int position = buffer.length(); |
| GrStringUtil.escapeAndUnescapeSymbols(value, "", "\"'$n", buffer); |
| GrStringUtil.fixAllTripleQuotes(buffer, position); |
| } |
| else if (quote == "\"") { |
| if (literal instanceof GrString) { |
| final ASTNode node = literal.getNode(); |
| for (ASTNode child = node.getFirstChildNode(); child != null; child = child.getTreeNext()) { |
| final IElementType type = child.getElementType(); |
| if (type == GroovyTokenTypes.mGSTRING_BEGIN || type == GroovyTokenTypes.mGSTRING_END) continue; |
| if (type == GroovyElementTypes.GSTRING_INJECTION) { |
| buffer.append(child.getText()); |
| } |
| else { |
| GrStringUtil.escapeAndUnescapeSymbols(child.getText(), "", "'", buffer); |
| } |
| } |
| } |
| else { |
| GrStringUtil.escapeAndUnescapeSymbols(value, "", "'", buffer); |
| } |
| } |
| else if (quote == "\"\"\"") { |
| if (literal instanceof GrString) { |
| final ASTNode node = literal.getNode(); |
| for (ASTNode child = node.getFirstChildNode(); child != null; child = child.getTreeNext()) { |
| final IElementType type = child.getElementType(); |
| if (type == GroovyTokenTypes.mGSTRING_BEGIN || type == GroovyTokenTypes.mGSTRING_END) continue; |
| if (type == GroovyElementTypes.GSTRING_INJECTION) { |
| buffer.append(child.getText()); |
| } |
| else { |
| final int position = buffer.length(); |
| GrStringUtil.escapeAndUnescapeSymbols(child.getText(), "", "\"'n", buffer); |
| GrStringUtil.fixAllTripleDoubleQuotes(buffer, position); |
| } |
| } |
| } |
| else { |
| final int position = buffer.length(); |
| GrStringUtil.escapeAndUnescapeSymbols(value, "", "\"'n", buffer); |
| GrStringUtil.fixAllTripleDoubleQuotes(buffer, position); |
| } |
| } |
| else { |
| return text; |
| } |
| |
| buffer.append(quote); |
| |
| return buffer.toString(); |
| } |
| } |