| /* |
| * 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.psi.impl.source.tree.injected; |
| |
| import com.intellij.psi.impl.source.xml.XmlAttributeValueImpl; |
| import com.intellij.psi.xml.XmlAttribute; |
| import com.intellij.psi.LiteralTextEscaper; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.openapi.util.ProperTextRange; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * @author cdr |
| */ |
| public class XmlAttributeLiteralEscaper extends LiteralTextEscaper<XmlAttributeValueImpl> { |
| private final XmlAttribute myXmlAttribute; |
| |
| public XmlAttributeLiteralEscaper(XmlAttributeValueImpl host) { |
| super(host); |
| myXmlAttribute = (XmlAttribute)host.getParent(); |
| } |
| |
| @Override |
| public boolean decode(@NotNull final TextRange rangeInsideHost, @NotNull StringBuilder outChars) { |
| ProperTextRange.assertProperRange(rangeInsideHost); |
| TextRange valueTextRange = myXmlAttribute.getValueTextRange(); |
| int startInDecoded = myXmlAttribute.physicalToDisplay(rangeInsideHost.getStartOffset() - valueTextRange.getStartOffset()); |
| int endInDecoded = myXmlAttribute.physicalToDisplay(rangeInsideHost.getEndOffset() - valueTextRange.getStartOffset()); |
| String displayValue = myXmlAttribute.getDisplayValue(); |
| //todo investigate IIOB http://www.jetbrains.net/jira/browse/IDEADEV-16796 |
| startInDecoded = startInDecoded < 0 ? 0 : startInDecoded > displayValue.length() ? displayValue.length() : startInDecoded; |
| endInDecoded = endInDecoded < 0 ? 0 : endInDecoded > displayValue.length() ? displayValue.length() : endInDecoded; |
| if (startInDecoded > endInDecoded) endInDecoded = startInDecoded; |
| outChars.append(displayValue, startInDecoded, endInDecoded); |
| return true; |
| } |
| |
| @Override |
| public int getOffsetInHost(final int offsetInDecoded, @NotNull final TextRange rangeInsideHost) { |
| TextRange valueTextRange = myXmlAttribute.getValueTextRange(); |
| int displayStart = myXmlAttribute.physicalToDisplay(rangeInsideHost.getStartOffset()); |
| |
| int dp = myXmlAttribute.displayToPhysical(offsetInDecoded + displayStart - valueTextRange.getStartOffset()); |
| if (dp == -1) return -1; |
| return dp + valueTextRange.getStartOffset(); |
| } |
| |
| @Override |
| public boolean isOneLine() { |
| return true; |
| } |
| } |