| /* |
| * Copyright 2000-2009 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 com.intellij.xml.util; |
| |
| import com.intellij.ide.highlighter.XmlFileType; |
| import com.intellij.openapi.fileTypes.FileType; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.psi.impl.include.FileIncludeInfo; |
| import com.intellij.psi.impl.include.FileIncludeProvider; |
| import com.intellij.util.Consumer; |
| import com.intellij.util.indexing.FileContent; |
| import com.intellij.util.text.CharArrayUtil; |
| import com.intellij.util.xml.NanoXmlUtil; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.ArrayList; |
| |
| /** |
| * @author Dmitry Avdeev |
| */ |
| public class XIncludeProvider extends FileIncludeProvider { |
| @NotNull |
| @Override |
| public String getId() { |
| return "XInclude"; |
| } |
| |
| @Override |
| public boolean acceptFile(VirtualFile file) { |
| return file.getFileType() == XmlFileType.INSTANCE; |
| } |
| |
| @Override |
| public void registerFileTypesUsedForIndexing(@NotNull Consumer<FileType> fileTypeSink) { |
| fileTypeSink.consume(XmlFileType.INSTANCE); |
| } |
| |
| @NotNull |
| @Override |
| public FileIncludeInfo[] getIncludeInfos(FileContent content) { |
| CharSequence contentAsText = content.getContentAsText(); |
| if (CharArrayUtil.indexOf(contentAsText, XmlUtil.XINCLUDE_URI, 0) == -1) return FileIncludeInfo.EMPTY; |
| final ArrayList<FileIncludeInfo> infos = new ArrayList<FileIncludeInfo>(); |
| NanoXmlUtil.parse(CharArrayUtil.readerFromCharSequence(contentAsText), new NanoXmlUtil.IXMLBuilderAdapter() { |
| |
| boolean isXInclude; |
| @Override |
| public void startElement(String name, String nsPrefix, String nsURI, String systemID, int lineNr) throws Exception { |
| isXInclude = XmlUtil.XINCLUDE_URI.equals(nsURI) && "include".equals(name); |
| } |
| |
| @Override |
| public void addAttribute(String key, String nsPrefix, String nsURI, String value, String type) throws Exception { |
| if (isXInclude && "href".equals(key)) { |
| infos.add(new FileIncludeInfo(value)); |
| } |
| } |
| |
| @Override |
| public void endElement(String name, String nsPrefix, String nsURI) throws Exception { |
| isXInclude = false; |
| } |
| }); |
| return infos.toArray(new FileIncludeInfo[infos.size()]); |
| } |
| } |