/*
* JSwiff is an open source Java API for Macromedia Flash file generation
* and manipulation
*
* Copyright (C) 2004-2005 Ralf Terdic (contact@jswiff.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.jswiff.swfrecords.actions;
import com.jswiff.io.InputBitStream;
import com.jswiff.io.OutputBitStream;
import java.io.IOException;
/**
* <p>
* Defines a <code>with</code> action block which lets you specify an object in
* order to access it's members without having to repeatedly write the
* object's name or it's path.
* </p>
*
* <p>
* Performed stack operations:<br><code>pop object</code>
* </p>
*
* <p>
* ActionScript equivalent: <code>with</code> statement
* </p>
*
* @since SWF 5
*/
public final class With extends Action {
private ActionBlockReader actionBlock;
/**
* Creates a new With action.
*/
public With() {
code = ActionConstants.WITH;
actionBlock = ActionBlock.getInstance();
}
/*
* Creates a new With instance.
*/
With(InputBitStream stream, InputBitStream mainStream)
throws IOException {
code = ActionConstants.WITH;
int blockSize = stream.readUI16();
byte[] blockBuffer = mainStream.readBytes(blockSize);
InputBitStream blockStream = new InputBitStream(blockBuffer);
blockStream.setANSI(stream.isANSI());
blockStream.setShiftJIS(stream.isShiftJIS());
// actionBlock = new ActionBlock(blockStream);
actionBlock = ActionBlock.getInstance();
actionBlock.read(blockStream);
}
/**
* Returns the size of this action record in bytes.
*
* @return size of this record
*
* @see Action#getSize()
*/
public int getSize() {
return actionBlock.getSize() + 5;
}
/**
* Returns an <code>ActionBlock</code> containing the "with" block (can be
* used to add actions to the block).
*
* @return "with" action block
*/
public ActionBlockReader getWithBlock() {
return actionBlock;
}
/**
* Returns a short description of this action, along with the size in bytes
* of the contained action block and the number of contained actions.
*
* @return <code>"With"</code>, action block size (in bytes), number of
* actions
*/
public String toString() {
return "With";
}
protected void writeData(
OutputBitStream dataStream, OutputBitStream mainStream)
throws IOException {
dataStream.writeUI16(actionBlock.getSize());
actionBlock.write(mainStream, false);
}
}