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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.filters;
import com.intellij.codeInsight.template.emmet.nodes.GenerationNode;
import com.intellij.codeInsight.template.emmet.tokens.TemplateToken;
import com.intellij.lang.xml.XMLLanguage;
import com.intellij.psi.PsiElement;
import com.intellij.psi.XmlElementVisitor;
import com.intellij.psi.xml.XmlDocument;
import com.intellij.psi.xml.XmlTag;
import com.intellij.psi.xml.XmlTagValue;
import org.jetbrains.annotations.NotNull;
import java.util.regex.Pattern;
/**
* @author Eugene.Kudelevsky
*/
public class TrimZenCodingFilter extends ZenCodingFilter {
private static final Pattern PATTERN = Pattern.compile("^([\\s|\u00a0])?[\\d|#|\\-|\\*|\u2022]+\\.?\\s*");
@NotNull
@Override
public String getSuffix() {
return "t";
}
@Override
public boolean isMyContext(@NotNull PsiElement context) {
return context.getLanguage() instanceof XMLLanguage;
}
@NotNull
@Override
public String getDisplayName() {
return "Trim line markers";
}
@NotNull
@Override
public String filterText(@NotNull String text, @NotNull TemplateToken token) {
XmlDocument document = token.getFile().getDocument();
if (document != null) {
XmlTag tag = document.getRootTag();
if (tag != null && !tag.getText().isEmpty()) {
new XmlElementVisitor() {
@Override
public void visitXmlTag(XmlTag tag) {
if(!tag.isEmpty()) {
XmlTagValue tagValue = tag.getValue();
tagValue.setText(PATTERN.matcher(tagValue.getText()).replaceAll(""));
}
tag.acceptChildren(this);
}
}.visitXmlTag(tag);
return tag.getText();
} else {
return PATTERN.matcher(document.getText()).replaceAll("");
}
}
return text;
}
@NotNull
@Override
public GenerationNode filterNode(@NotNull GenerationNode node) {
doFilter(node);
return node;
}
private static void doFilter(GenerationNode node) {
final String surroundedText = node.getSurroundedText();
if (surroundedText != null) {
node.setSurroundedText(PATTERN.matcher(surroundedText).replaceAll(""));
}
for (GenerationNode child : node.getChildren()) {
doFilter(child);
}
}
}
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