ns-usbloader/src/main/java/nsusbloader/Utilities/patches/es/finders/HeuristicEsWizard.java

128 lines
3.9 KiB
Java

/*
Copyright 2018-2022 Dmitry Isaenko
This file is part of NS-USBloader.
NS-USBloader 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 3 of the License, or
(at your option) any later version.
NS-USBloader 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 NS-USBloader. If not, see <https://www.gnu.org/licenses/>.
*/
package nsusbloader.Utilities.patches.es.finders;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
public class HeuristicEsWizard {
private final List<IHeuristicEs> all;
private final List<IHeuristicEs> found;
private final List<IHeuristicEs> wantLessEntropy;
private final StringBuilder errorsAndNotes;
private int offset1 = -1;
private int offset2 = -1;
private int offset3 = -1;
public HeuristicEsWizard(long fwVersion, byte[] where) throws Exception{
this.errorsAndNotes = new StringBuilder();
this.all = Arrays.asList(
new HeuristicEs1(where),
new HeuristicEs2(where),
new HeuristicEs3(fwVersion, where)
);
this.found = all.stream()
.filter(IHeuristicEs::isFound)
.collect(Collectors.toList());
if (found.isEmpty())
throw new Exception("Nothing found!");
this.wantLessEntropy = all.stream()
.filter(IHeuristicEs::wantLessEntropy)
.collect(Collectors.toList());
shareOffsetsWithEachOther();
assignOffset1();
assignOffset2();
assignOffset3();
}
private void shareOffsetsWithEachOther(){
for (IHeuristicEs es : wantLessEntropy) {
if (shareWithNext(es))
return;
}
}
private boolean shareWithNext(IHeuristicEs es){
try {
for (IHeuristicEs foundEs : found) {
if (es.setOffsetsNearby(foundEs.getOffset())) {
found.add(es);
wantLessEntropy.remove(es);
shareOffsetsWithEachOther();
return true;
}
}
}
catch (Exception e){ e.printStackTrace(); }
return false;
}
private void assignOffset1(){
try {
offset1 = all.get(0).getOffset();
}
catch (Exception e){ errorsAndNotes.append(e.getLocalizedMessage()).append("\n"); }
}
private void assignOffset2(){
try {
offset2 = all.get(1).getOffset();
}
catch (Exception e){ errorsAndNotes.append(e.getLocalizedMessage()).append("\n"); }
}
private void assignOffset3(){
try {
offset3 = all.get(2).getOffset();
}
catch (Exception e){ errorsAndNotes.append(e.getLocalizedMessage()).append("\n"); }
}
public String getErrorsAndNotes(){
return errorsAndNotes.toString();
}
public String getDebug(){
StringBuilder builder = new StringBuilder();
if (all.get(0).isFound()){
builder.append("\t\t-=== 1 ===-\n");
builder.append(all.get(0).getDetails());
}
if (all.get(1).isFound()){
builder.append("\t\t-=== 2 ===-\n");
builder.append(all.get(1).getDetails());
}
if (all.get(2).isFound()){
builder.append("\t\t-=== 3 ===-\n");
builder.append(all.get(2).getDetails());
}
return builder.toString();
}
public int getOffset1() { return offset1; }
public int getOffset2() { return offset2; }
public int getOffset3() { return offset3; }
}