| /* |
| * Copyright 2000-2009 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; |
| |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiWhiteSpace; |
| import com.intellij.psi.PsiErrorElement; |
| import com.intellij.openapi.util.text.StringUtil; |
| |
| |
| public class PsiTreeDebugBuilder { |
| private StringBuffer myBuffer; |
| private boolean myShowWhiteSpaces = true; |
| private boolean myShowErrorElements = true; |
| |
| public PsiTreeDebugBuilder setShowWhiteSpaces(boolean showWhiteSpaces) { |
| myShowWhiteSpaces = showWhiteSpaces; |
| return this; |
| } |
| |
| public PsiTreeDebugBuilder setShowErrorElements(boolean showErrorElements) { |
| myShowErrorElements = showErrorElements; |
| return this; |
| } |
| |
| public String psiToString(PsiElement root) { |
| return psiToString(root, false, false); |
| } |
| |
| public String psiToString(PsiElement root, boolean showRanges, boolean showChildrenRanges) { |
| myBuffer = new StringBuffer(); |
| psiToBuffer(root, 0, showRanges, showChildrenRanges); |
| return myBuffer.toString(); |
| } |
| |
| private void psiToBuffer(PsiElement root, int indent, boolean showRanges, boolean showChildrenRanges) { |
| if (!myShowWhiteSpaces && root instanceof PsiWhiteSpace) return; |
| if (!myShowErrorElements && root instanceof PsiErrorElement) return; |
| |
| for (int i = 0; i < indent; i++) { |
| myBuffer.append(' '); |
| } |
| final String rootStr = root.toString(); |
| myBuffer.append(rootStr); |
| PsiElement child = root.getFirstChild(); |
| if (child == null) { |
| String text = root.getText(); |
| assert text != null : "text is null for <" + root + ">"; |
| text = StringUtil.replace(text, "\n", "\\n"); |
| text = StringUtil.replace(text, "\r", "\\r"); |
| text = StringUtil.replace(text, "\t", "\\t"); |
| myBuffer.append("('"); |
| myBuffer.append(text); |
| myBuffer.append("')"); |
| } |
| |
| if (showRanges) myBuffer.append(root.getTextRange()); |
| myBuffer.append("\n"); |
| while (child != null) { |
| psiToBuffer(child, indent + 2, showChildrenRanges, showChildrenRanges); |
| child = child.getNextSibling(); |
| } |
| |
| } |
| |
| } |