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/*
* 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.codeInsight.template.emmet.generators;
import com.intellij.codeInsight.template.CustomTemplateCallback;
import com.intellij.codeInsight.template.emmet.ZenCodingTemplate;
import com.intellij.codeInsight.template.emmet.tokens.TemplateToken;
import com.intellij.codeInsight.template.impl.TemplateImpl;
import com.intellij.diagnostic.AttachmentFactory;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.util.Couple;
import com.intellij.openapi.util.TextRange;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.PsiElement;
import com.intellij.psi.tree.IElementType;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.psi.xml.XmlDocument;
import com.intellij.psi.xml.XmlFile;
import com.intellij.psi.xml.XmlTag;
import com.intellij.psi.xml.XmlTokenType;
import com.intellij.xml.util.HtmlUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.List;
/**
* @author Eugene.Kudelevsky
*/
public abstract class XmlZenCodingGenerator extends ZenCodingGenerator {
@Override
public TemplateImpl generateTemplate(@NotNull TemplateToken token, boolean hasChildren, @NotNull PsiElement context) {
String s = toString(token, hasChildren, context);
TemplateImpl tokenTemplate = token.getTemplate();
assert tokenTemplate != null;
TemplateImpl template = tokenTemplate.copy();
template.setString(s);
return template;
}
@Override
public TemplateImpl createTemplateByKey(@NotNull String key) {
StringBuilder builder = new StringBuilder("<");
builder.append(key).append('>');
if (!HtmlUtil.isSingleHtmlTag(key)) {
builder.append("$END$</").append(key).append('>');
}
return new TemplateImpl("", builder.toString(), "");
}
@NotNull
private String toString(@NotNull TemplateToken token, boolean hasChildren, @NotNull PsiElement context) {
XmlFile file = token.getFile();
XmlDocument document = file.getDocument();
if (document != null) {
XmlTag tag = document.getRootTag();
if (tag != null) {
return toString(tag, token.getAttribute2Value(), hasChildren, context);
}
}
return file.getText();
}
public abstract String toString(@NotNull XmlTag tag,
@NotNull List<Couple<String>> attribute2Value,
boolean hasChildren,
@NotNull PsiElement context);
@NotNull
public abstract String buildAttributesString(@NotNull List<Couple<String>> attribute2value,
boolean hasChildren,
int numberInIteration,
int totalIterations, @Nullable String surroundedText);
@Override
public abstract boolean isMyContext(@NotNull PsiElement context, boolean wrapping);
@Nullable
@Override
public String computeTemplateKey(@NotNull CustomTemplateCallback callback) {
Editor editor = callback.getEditor();
int currentOffset = editor.getCaretModel().getOffset();
int startOffset = Math.min(editor.getDocument().getLineStartOffset(editor.getDocument().getLineNumber(currentOffset)), currentOffset);
CharSequence documentText = editor.getDocument().getCharsSequence();
PsiElement prevVisibleLeaf = callback.getContext();
while (prevVisibleLeaf != null) {
TextRange textRange = prevVisibleLeaf.getTextRange();
final int endOffset = textRange.getEndOffset();
if (endOffset <= currentOffset) {
if (endOffset <= startOffset) {
break;
}
IElementType prevType = prevVisibleLeaf.getNode().getElementType();
if (prevType == XmlTokenType.XML_TAG_END || prevType == XmlTokenType.XML_EMPTY_ELEMENT_END) {
startOffset = endOffset;
break;
}
}
prevVisibleLeaf = PsiTreeUtil.prevVisibleLeaf(prevVisibleLeaf);
}
if (startOffset < 0 || currentOffset > documentText.length() || currentOffset < startOffset) {
Logger.getInstance(getClass()).error("Error while calculating emmet abbreviation. Offset: " + currentOffset + "; Start: " + startOffset,
AttachmentFactory.createAttachment(editor.getDocument()));
return null;
}
String key = computeKey(documentText.subSequence(startOffset, currentOffset));
return !StringUtil.isEmpty(key) && ZenCodingTemplate.checkTemplateKey(key, callback, this) ? key : null;
}
}
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