| /* |
| * 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.lang.psi.impl.statements.expressions.literals; |
| |
| import com.intellij.lang.ASTNode; |
| import com.intellij.psi.LiteralTextEscaper; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiLanguageInjectionHost; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.plugins.groovy.lang.lexer.GroovyTokenTypes; |
| import org.jetbrains.plugins.groovy.lang.psi.GroovyElementVisitor; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.literals.GrRegex; |
| import org.jetbrains.plugins.groovy.lang.psi.util.GrStringUtil; |
| |
| import java.util.List; |
| |
| /** |
| * @author ilyas |
| */ |
| public class GrRegexImpl extends GrStringImpl implements GrRegex { |
| |
| public GrRegexImpl(@NotNull ASTNode node) { |
| super(node); |
| } |
| |
| public String toString() { |
| return "Compound regular expression"; |
| } |
| |
| @Override |
| public boolean isPlainString() { |
| return false; |
| } |
| |
| @Override |
| public void accept(GroovyElementVisitor visitor) { |
| visitor.visitRegexExpression(this); |
| } |
| |
| @Override |
| public Object getValue() { |
| if (getInjections().length > 0) return null; |
| |
| PsiElement child = getFirstChild(); |
| if (child == null) return null; |
| |
| child = child.getNextSibling(); |
| if (child == null || |
| child.getNode().getElementType() != GroovyTokenTypes.mREGEX_CONTENT && |
| child.getNode().getElementType() != GroovyTokenTypes.mDOLLAR_SLASH_REGEX_CONTENT) { |
| return null; |
| } |
| |
| final StringBuilder chars = new StringBuilder(); |
| final boolean isDollarSlash = child.getNode().getElementType() == GroovyTokenTypes.mREGEX_CONTENT; |
| GrStringUtil.parseRegexCharacters(child.getText(), chars, null, isDollarSlash); |
| return chars.toString(); |
| } |
| |
| @Override |
| public String[] getTextParts() { |
| List<PsiElement> parts = findChildrenByType(GroovyTokenTypes.mREGEX_CONTENT); |
| |
| String[] result = new String[parts.size()]; |
| int i = 0; |
| for (PsiElement part : parts) { |
| result[i++] = part.getText(); |
| } |
| return result; |
| } |
| |
| @NotNull |
| @Override |
| public LiteralTextEscaper<? extends PsiLanguageInjectionHost> createLiteralTextEscaper() { |
| return new GrLiteralEscaper(this); |
| } |
| } |
| |