| /* |
| * 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.xml.behavior; |
| |
| import com.intellij.lang.ASTFactory; |
| import com.intellij.lang.ASTNode; |
| import com.intellij.psi.impl.GeneratedMarkerVisitor; |
| import com.intellij.psi.impl.source.DummyHolderFactory; |
| import com.intellij.psi.impl.source.tree.FileElement; |
| import com.intellij.psi.impl.source.tree.TreeElement; |
| import com.intellij.psi.impl.source.tree.SharedImplUtil; |
| import com.intellij.psi.xml.XmlTokenType; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.util.CharTable; |
| |
| public class EncodeEachSymbolPolicy extends DefaultXmlPsiPolicy{ |
| @Override |
| public ASTNode encodeXmlTextContents(String displayText, PsiElement text) { |
| if(!toCode(displayText)) return super.encodeXmlTextContents(displayText, text); |
| final FileElement dummyParent = DummyHolderFactory.createHolder(text.getManager(), null, SharedImplUtil.findCharTableByTree(text.getNode())).getTreeElement(); |
| int sectionStartOffset = 0; |
| int offset = 0; |
| while (offset < displayText.length()) { |
| if (toCode(displayText.charAt(offset))) { |
| final String plainSection = displayText.substring(sectionStartOffset, offset); |
| if (!plainSection.isEmpty()) { |
| dummyParent.rawAddChildren((TreeElement)super.encodeXmlTextContents(plainSection, text)); |
| } |
| dummyParent.rawAddChildren(createCharEntity(displayText.charAt(offset), dummyParent.getCharTable())); |
| sectionStartOffset = offset + 1; |
| } |
| offset++; |
| } |
| final String plainSection = displayText.substring(sectionStartOffset, offset); |
| if (!plainSection.isEmpty()) { |
| dummyParent.rawAddChildren((TreeElement)super.encodeXmlTextContents(plainSection, text)); |
| } |
| |
| dummyParent.acceptTree(new GeneratedMarkerVisitor()); |
| return dummyParent.getFirstChildNode(); |
| } |
| |
| @SuppressWarnings({"HardCodedStringLiteral"}) |
| private static TreeElement createCharEntity(char ch, CharTable charTable) { |
| switch (ch) { |
| case '<': |
| return ASTFactory.leaf(XmlTokenType.XML_CHAR_ENTITY_REF, "<"); |
| case '\'': |
| return ASTFactory.leaf(XmlTokenType.XML_CHAR_ENTITY_REF, "'"); |
| case '"': |
| return ASTFactory.leaf(XmlTokenType.XML_CHAR_ENTITY_REF, """); |
| case '>': |
| return ASTFactory.leaf(XmlTokenType.XML_CHAR_ENTITY_REF, ">"); |
| case '&': |
| return ASTFactory.leaf(XmlTokenType.XML_CHAR_ENTITY_REF, "&"); |
| case '\u00a0': |
| return ASTFactory.leaf(XmlTokenType.XML_CHAR_ENTITY_REF, " "); |
| |
| default: |
| final String charEncoding = "&#" + (int)ch + ";"; |
| return ASTFactory.leaf(XmlTokenType.XML_CHAR_ENTITY_REF, charTable.intern(charEncoding)); |
| } |
| } |
| |
| private static boolean toCode(String str) { |
| for (int i = 0; i < str.length(); i++) { |
| final char ch = str.charAt(i); |
| if ( toCode(ch)) return true; |
| } |
| return false; |
| } |
| |
| private static boolean toCode(final char ch) { |
| return "<&>\u00a0'\"".indexOf(ch) >= 0; |
| } |
| |
| } |