| /* |
| * Copyright 2005 Sascha Weinreuter |
| * |
| * 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.intellij.lang.xpath.psi.impl; |
| |
| import com.intellij.lang.ASTNode; |
| import org.intellij.lang.xpath.context.XPathVersion; |
| import org.intellij.lang.xpath.psi.XPathElementVisitor; |
| import org.intellij.lang.xpath.psi.XPathString; |
| import org.intellij.lang.xpath.psi.XPathType; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class XPathStringImpl extends XPathElementImpl implements XPathString { |
| public XPathStringImpl(ASTNode node) { |
| super(node); |
| } |
| |
| @NotNull |
| public XPathType getType() { |
| return XPathType.STRING; |
| } |
| |
| public boolean isWellFormed() { |
| final String text = getUnescapedText(); |
| final char quoteChar = getQuoteChar(); |
| if (!text.endsWith(String.valueOf(quoteChar)) || text.indexOf(quoteChar) == text.lastIndexOf(quoteChar)) { |
| return false; |
| } |
| |
| if (getXPathVersion() == XPathVersion.V2) { |
| final String value = getStringBetweenQuotes(); |
| final String unescaped = unescape(quoteChar, value); |
| return escape(quoteChar, unescaped).equals(value); |
| } else { |
| if (getValue().indexOf(quoteChar) != -1) { |
| return false; |
| } |
| } |
| |
| return !textContains('\n') && !textContains('\r'); |
| } |
| |
| public String getValue() { |
| final String value = getStringBetweenQuotes(); |
| if (getXPathVersion() == XPathVersion.V2) { |
| return unescape(getQuoteChar(), value); |
| } |
| return value; |
| } |
| |
| private String getStringBetweenQuotes() { |
| final String text = getUnescapedText(); |
| if (text.endsWith(String.valueOf(getQuoteChar())) && text.length() > 1) { |
| return text.substring(1, text.length() - 1); |
| } else { |
| return text.substring(1, text.length()); |
| } |
| } |
| |
| private char getQuoteChar() { |
| return getUnescapedText().charAt(0); |
| } |
| |
| private static String unescape(char quote, String value) { |
| final String singleQuote = String.valueOf(quote); |
| final String escapedQuote = singleQuote + quote; |
| return value.replaceAll(escapedQuote, singleQuote); |
| } |
| |
| private static String escape(char quote, String value) { |
| final String singleQuote = String.valueOf(quote); |
| final String escapedQuote = singleQuote + quote; |
| return value.replaceAll(singleQuote, escapedQuote); |
| } |
| |
| public void accept(XPathElementVisitor visitor) { |
| visitor.visitXPathString(this); |
| } |
| } |