/*
* Copyright (C) 2010-2016 JPEXS, All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3.0 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library.
*/
package com.jpexs.decompiler.flash.action.swf4;
import com.jpexs.decompiler.flash.BaseLocalData;
import com.jpexs.decompiler.flash.action.Action;
import com.jpexs.decompiler.flash.action.LocalDataArea;
import com.jpexs.decompiler.flash.action.model.StringExtractActionItem;
import com.jpexs.decompiler.flash.types.annotations.SWFVersion;
import com.jpexs.decompiler.graph.GraphSourceItem;
import com.jpexs.decompiler.graph.GraphTargetItem;
import com.jpexs.decompiler.graph.TranslateStack;
import java.util.HashMap;
import java.util.List;
/**
*
* @author JPEXS
*/
@SWFVersion(from = 4)
public class ActionStringExtract extends Action {
public ActionStringExtract() {
super(0x15, 0);
}
@Override
public String toString() {
return "StringExtract";
}
@Override
public boolean execute(LocalDataArea lda) {
if (lda.stack.size() < 3) {
return false;
}
lda.stack.push(StringExtractActionItem.getResult(lda.pop(), lda.pop(), lda.pop()));
return true;
}
@Override
public void translate(GraphSourceItem lineStartAction, TranslateStack stack, List<GraphTargetItem> output, HashMap<Integer, String> regNames, HashMap<String, GraphTargetItem> variables, HashMap<String, GraphTargetItem> functions, int staticOperation, String path) {
GraphTargetItem count = stack.pop();
GraphTargetItem index = stack.pop();
GraphTargetItem value = stack.pop();
stack.push(new StringExtractActionItem(this, lineStartAction, value, index, count));
}
@Override
public int getStackPopCount(BaseLocalData localData, TranslateStack stack) {
return 3;
}
@Override
public int getStackPushCount(BaseLocalData localData, TranslateStack stack) {
return 1;
}
}