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/*
* Copyright 2000-2013 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.codeInsight.template.emmet.generators;
import com.intellij.application.options.emmet.EmmetOptions;
import com.intellij.application.options.emmet.XmlEmmetConfigurable;
import com.intellij.codeInsight.template.HtmlTextContextType;
import com.intellij.codeInsight.template.emmet.ZenCodingUtil;
import com.intellij.lang.ASTNode;
import com.intellij.lang.Language;
import com.intellij.lang.xml.XMLLanguage;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.fileEditor.FileDocumentManager;
import com.intellij.openapi.fileTypes.FileType;
import com.intellij.openapi.fileTypes.StdFileTypes;
import com.intellij.openapi.options.UnnamedConfigurable;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Pair;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.*;
import com.intellij.psi.xml.XmlChildRole;
import com.intellij.psi.xml.XmlTag;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
* @author Eugene.Kudelevsky
*/
public class XmlZenCodingGeneratorImpl extends XmlZenCodingGenerator {
public static final XmlZenCodingGeneratorImpl INSTANCE = new XmlZenCodingGeneratorImpl();
private static boolean isTrueXml(FileType type) {
return type == StdFileTypes.XHTML || type == StdFileTypes.JSPX || type == StdFileTypes.XML;
}
@NotNull
public String toString(@NotNull XmlTag tag,
@NotNull List<Pair<String, String>> attribute2Value,
boolean hasChildren,
@NotNull PsiElement context) {
FileType fileType = context.getContainingFile().getFileType();
if (isTrueXml(fileType)) {
closeUnclosingTags(tag);
}
return tag.getContainingFile().getText();
}
@NotNull
public String buildAttributesString(@NotNull List<Pair<String, String>> attribute2value,
boolean hasChildren,
int numberInIteration,
int totalIterations, @Nullable String surroundedText) {
StringBuilder result = new StringBuilder();
for (Iterator<Pair<String, String>> it = attribute2value.iterator(); it.hasNext();) {
Pair<String, String> pair = it.next();
String name = pair.first;
String value = ZenCodingUtil.getValue(pair.second, numberInIteration, totalIterations, surroundedText);
result.append(getAttributeString(name, value));
if (it.hasNext()) {
result.append(' ');
}
}
return result.toString();
}
public boolean isMyContext(@NotNull PsiElement context, boolean wrapping) {
return isMyLanguage(context.getLanguage()) && (wrapping || HtmlTextContextType.isInContext(context));
}
protected boolean isMyLanguage(Language language) {
return language instanceof XMLLanguage;
}
public String getSuffix() {
return "html";
}
@Override
public boolean isEnabled() {
return EmmetOptions.getInstance().isEmmetEnabled();
}
public boolean isAppliedByDefault(@NotNull PsiElement context) {
return true;
}
private static String getAttributeString(String name, String value) {
return name + "=\"" + value + '"';
}
@SuppressWarnings({"ConstantConditions"})
private static void closeUnclosingTags(@NotNull XmlTag root) {
final List<SmartPsiElementPointer<XmlTag>> tagToClose = new ArrayList<SmartPsiElementPointer<XmlTag>>();
Project project = root.getProject();
final SmartPointerManager pointerManager = SmartPointerManager.getInstance(project);
root.accept(new XmlRecursiveElementVisitor() {
@Override
public void visitXmlTag(final XmlTag tag) {
if (!isTagClosed(tag)) {
tagToClose.add(pointerManager.createSmartPsiElementPointer(tag));
}
}
});
PsiDocumentManager documentManager = PsiDocumentManager.getInstance(project);
for (final SmartPsiElementPointer<XmlTag> pointer : tagToClose) {
final XmlTag tag = pointer.getElement();
if (tag != null) {
final ASTNode child = XmlChildRole.START_TAG_END_FINDER.findChild(tag.getNode());
if (child != null) {
final int offset = child.getTextRange().getStartOffset();
VirtualFile file = tag.getContainingFile().getVirtualFile();
if (file != null) {
final Document document = FileDocumentManager.getInstance().getDocument(file);
documentManager.doPostponedOperationsAndUnblockDocument(document);
ApplicationManager.getApplication().runWriteAction(new Runnable() {
public void run() {
document.replaceString(offset, tag.getTextRange().getEndOffset(), "/>");
}
});
}
}
}
}
documentManager.commitAllDocuments();
}
private static boolean isTagClosed(@NotNull XmlTag tag) {
ASTNode node = tag.getNode();
assert node != null;
final ASTNode emptyTagEnd = XmlChildRole.EMPTY_TAG_END_FINDER.findChild(node);
final ASTNode endTagEnd = XmlChildRole.CLOSING_TAG_START_FINDER.findChild(node);
return emptyTagEnd != null || endTagEnd != null;
}
@Nullable
@Override
public UnnamedConfigurable createConfigurable() {
return new XmlEmmetConfigurable();
}
}
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