| /* |
| * 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 com.intellij.xml.util; |
| |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.util.JDOMUtil; |
| import com.intellij.openapi.util.io.FileUtilRt; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.openapi.vfs.CharsetToolkit; |
| import com.intellij.util.io.UnsyncByteArrayInputStream; |
| import com.intellij.util.xmlb.Converter; |
| import com.intellij.util.xmlb.XmlSerializer; |
| import com.intellij.util.xmlb.annotations.Attribute; |
| import com.intellij.util.xmlb.annotations.Tag; |
| import gnu.trove.THashSet; |
| import org.jdom.Document; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.io.InputStream; |
| import java.util.Collections; |
| import java.util.Locale; |
| import java.util.Set; |
| |
| /** |
| * @author Dennis.Ushakov |
| */ |
| public class HTMLControls { |
| private static final Logger LOG = Logger.getInstance(HTMLControls.class); |
| private static Control[] ourControls; |
| |
| public static Control[] getControls() { |
| if (ourControls == null) { |
| ourControls = loadControls(); |
| } |
| return ourControls; |
| } |
| |
| @SuppressWarnings("IOResourceOpenedButNotSafelyClosed") |
| private static Control[] loadControls() { |
| Document document; |
| try { |
| // use temporary bytes stream because otherwise inputStreamSkippingBOM will fail |
| // on ZipFileInputStream used in jar files |
| final InputStream stream = HTMLControls.class.getResourceAsStream("HtmlControls.xml"); |
| final byte[] bytes = FileUtilRt.loadBytes(stream); |
| stream.close(); |
| final UnsyncByteArrayInputStream bytesStream = new UnsyncByteArrayInputStream(bytes); |
| document = JDOMUtil.loadDocument(CharsetToolkit.inputStreamSkippingBOM(bytesStream)); |
| bytesStream.close(); |
| } catch (Exception e) { |
| LOG.error(e); |
| return new Control[0]; |
| } |
| if (!document.getRootElement().getName().equals("htmlControls")) { |
| LOG.error("HTMLControls storage is broken"); |
| return new Control[0]; |
| } |
| return XmlSerializer.deserialize(document, Control[].class); |
| } |
| |
| public enum TagState { REQUIRED, OPTIONAL, FORBIDDEN } |
| |
| @Tag("control") |
| public static class Control { |
| @Attribute("name") |
| public String name; |
| @Attribute(value = "startTag", converter = TagStateConverter.class) |
| public TagState startTag; |
| @Attribute(value = "endTag", converter = TagStateConverter.class) |
| public TagState endTag; |
| @Attribute("emptyAllowed") |
| public boolean emptyAllowed; |
| @Attribute(value = "autoClosedBy", converter = AutoCloseConverter.class) |
| public Set<String> autoClosedBy = Collections.emptySet(); |
| } |
| |
| private static class TagStateConverter extends Converter<TagState> { |
| @Nullable |
| @Override |
| public TagState fromString(@NotNull String value) { |
| return TagState.valueOf(value.toUpperCase(Locale.US)); |
| } |
| |
| @NotNull |
| @Override |
| public String toString(@NotNull TagState state) { |
| return state.name().toLowerCase(Locale.US); |
| } |
| } |
| |
| private static class AutoCloseConverter extends Converter<Set<String>> { |
| @Nullable |
| @Override |
| public Set<String> fromString(@NotNull String value) { |
| final THashSet<String> result = new THashSet<String>(); |
| for (String closingTag : StringUtil.split(value, ",")) { |
| result.add(closingTag.trim()); |
| } |
| return result; |
| } |
| |
| @NotNull |
| @Override |
| public String toString(@NotNull Set<String> o) { |
| return StringUtil.join(o, ", "); |
| } |
| } |
| } |