/******************************************************************************* * Copyright (c) 2000, 2003 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Common Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/cpl-v10.html * * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/ package net.sourceforge.phpdt.internal.core.jdom; import net.sourceforge.phpdt.core.IJavaElement; import net.sourceforge.phpdt.core.jdom.IDOMInitializer; import net.sourceforge.phpdt.core.jdom.IDOMNode; import net.sourceforge.phpdt.internal.compiler.util.Util; import net.sourceforge.phpdt.internal.core.util.CharArrayBuffer; import net.sourceforge.phpdt.internal.core.util.CharArrayOps; /** * DOMInitializer provides an implementation of IDOMInitializer. * * @see IDOMInitializer * @see DOMNode */ class DOMInitializer extends DOMMember implements IDOMInitializer { /** * The contents of the initializer's body when the body has been altered * from the contents in the document, otherwise null. */ protected String fBody; /** * The original inclusive source range of the body in the document. */ protected int[] fBodyRange; /** * Constructs an empty initializer node. */ DOMInitializer() { } /** * Creates a new detailed INITIALIZER document fragment on the given range * of the document. * * @param document - * the document containing this node's original contents * @param sourceRange - * a two element array of integers describing the entire * inclusive source range of this node within its document. * Contents start on and include the character at the first * position. Contents end on and include the character at the * last position. An array of -1's indicates this node's contents * do not exist in the document. * @param commentRange - * a two element array describing the comments that precede the * member declaration. The first matches the start of this node's * sourceRange, and the second is the new-line or first * non-whitespace character following the last comment. If no * comments are present, this array contains two -1's. * @param flags - * an integer representing the modifiers for this member. The * integer can be analyzed with net.sourceforge.phpdt.core.Flags * @param modifierRange - * a two element array describing the location of modifiers for * this member within its source range. The first integer is the * first character of the first modifier for this member, and the * second integer is the last whitespace character preceeding the * next part of this member declaration. If there are no * modifiers present in this node's source code (that is, package * default visibility), this array contains two -1's. * @param bodyStartPosition - * the position of the open brace of the body of this initialzer. */ DOMInitializer(char[] document, int[] sourceRange, int[] commentRange, int flags, int[] modifierRange, int bodyStartPosition) { super(document, sourceRange, null, new int[] { -1, -1 }, commentRange, flags, modifierRange); fBodyRange = new int[2]; fBodyRange[0] = bodyStartPosition; fBodyRange[1] = sourceRange[1]; setHasBody(true); setMask(MASK_DETAILED_SOURCE_INDEXES, true); } /** * Creates a new simple INITIALIZER document fragment on the given range of * the document. * * @param document - * the document containing this node's original contents * @param sourceRange - * a two element array of integers describing the entire * inclusive source range of this node within its document. * Contents start on and include the character at the first * position. Contents end on and include the character at the * last position. An array of -1's indicates this node's contents * do not exist in the document. * @param flags - * an integer representing the modifiers for this member. The * integer can be analyzed with net.sourceforge.phpdt.core.Flags */ DOMInitializer(char[] document, int[] sourceRange, int flags) { this(document, sourceRange, new int[] { -1, -1 }, flags, new int[] { -1, -1 }, -1); setMask(MASK_DETAILED_SOURCE_INDEXES, false); } /** * @see DOMMember#appendMemberBodyContents(CharArrayBuffer) */ protected void appendMemberBodyContents(CharArrayBuffer buffer) { if (hasBody()) { buffer.append(getBody()).append(fDocument, fBodyRange[1] + 1, fSourceRange[1] - fBodyRange[1]); } else { buffer.append("{}").append(Util.LINE_SEPARATOR); //$NON-NLS-1$ } } /** * @see DOMMember#appendMemberDeclarationContents(CharArrayBuffer) */ protected void appendMemberDeclarationContents(CharArrayBuffer buffer) { } /** * @see DOMNode#appendSimpleContents(CharArrayBuffer) */ protected void appendSimpleContents(CharArrayBuffer buffer) { // append eveything before my name buffer.append(fDocument, fSourceRange[0], fNameRange[0] - fSourceRange[0]); // append my name buffer.append(fName); // append everything after my name buffer.append(fDocument, fNameRange[1] + 1, fSourceRange[1] - fNameRange[1]); } /** * @see IDOMInitializer#getBody() */ public String getBody() { becomeDetailed(); if (hasBody()) { if (fBody != null) { return fBody; } else { return CharArrayOps.substring(fDocument, fBodyRange[0], fBodyRange[1] + 1 - fBodyRange[0]); } } else { return null; } } /** * @see DOMNode#getDetailedNode() */ // protected DOMNode getDetailedNode() { // return (DOMNode)getFactory().createInitializer(getContents()); // } /** * @see IDOMNode#getJavaElement */ public IJavaElement getJavaElement(IJavaElement parent) throws IllegalArgumentException { // if (parent.getElementType() == IJavaElement.TYPE) { // int count = 1; // IDOMNode previousNode = getPreviousNode(); // while (previousNode != null) { // if (previousNode instanceof DOMInitializer) { // count++; // } // previousNode = previousNode.getPreviousNode(); // } // return ((IType) parent).getInitializer(count); // } else { throw new IllegalArgumentException(Util.bind("element.illegalParent")); //$NON-NLS-1$ // } } /** * @see DOMMember#getMemberDeclarationStartPosition() */ protected int getMemberDeclarationStartPosition() { return fBodyRange[0]; } /** * @see IDOMNode#getNodeType() */ public int getNodeType() { return IDOMNode.INITIALIZER; } /** * @see IDOMNode#isSigantureEqual(IDOMNode). * *

* This method always answers false since an initializer does not have a * signature. */ public boolean isSignatureEqual(IDOMNode node) { return false; } /** * @see DOMNode */ protected DOMNode newDOMNode() { return new DOMInitializer(); } /** * Offsets all the source indexes in this node by the given amount. */ protected void offset(int offset) { super.offset(offset); offsetRange(fBodyRange, offset); } /** * @see IDOMInitializer#setBody(char[]) */ public void setBody(String body) { becomeDetailed(); fBody = body; setHasBody(body != null); fragment(); } /** * @see IDOMInitializer#setName(String) */ public void setName(String name) { } /** * @see DOMNode#shareContents(DOMNode) */ protected void shareContents(DOMNode node) { super.shareContents(node); DOMInitializer init = (DOMInitializer) node; fBody = init.fBody; fBodyRange = rangeCopy(init.fBodyRange); } /** * @see IDOMNode#toString() */ public String toString() { return "INITIALIZER"; //$NON-NLS-1$ } }