LegacyConsole/jpexs-decompiler
3
0
Fork 0
mirror of https://git.huckle.dev/Huckles-Minecraft-Archive/jpexs-decompiler.git synced 2026-06-06 20:46:36 +00:00
Code Issues Packages Projects Releases Wiki Activity

Methods for SWF extraction

Browse Source
This commit is contained in:
Jindra Petřík
2016-11-23 11:19:43 +01:00
parent a39f41214c
commit 6007e94414
1 changed files with 52 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/iggy/IggyExtractor.java
View File

@@ -1,6 +1,6 @@
package com.jpexs.decompiler.flash.iggy;
import java.io.ByteArrayInputStream;
import com.jpexs.decompiler.flash.SWF;
import java.io.ByteArrayOutputStream;
import java.io.EOFException;
import java.io.File;
@@ -30,11 +30,12 @@ public class IggyExtractor extends AbstractDataStream implements AutoCloseable {
private IggyHeader header;
private List<IggySubFileEntry> subFileEntries = new ArrayList<>();
List<List<Integer>> indexTables = new ArrayList<>();
List<List<Long>> offsetTables = new ArrayList<>();
private List<List<Integer>> indexTables = new ArrayList<>();
private List<List<Long>> offsetTables = new ArrayList<>();
List<IggyFlashHeaderInterface> headers = new ArrayList<>();
List<IggyNameAndTagList> namesAndTagLists = new ArrayList<>();
private List<IggyFlashHeaderInterface> headers = new ArrayList<>();
private List<IggyNameAndTagList> namesAndTagLists = new ArrayList<>();
private List<List<ByteArrayDataStream>> tagDataTables = new ArrayList<>();
public IggyExtractor(File file) throws IOException {
raf = new RandomAccessFile(file, "r");
@@ -67,8 +68,33 @@ public class IggyExtractor extends AbstractDataStream implements AutoCloseable {
}
}
for (int i = 0; i < flashStreams.size(); i++) {
ByteArrayDataStream flashStream = flashStreams.get(i);
List<Long> offsets = offsetTables.get(i);
//TODO
List<Integer> tagIds = namesAndTagLists.get(i).getTagIds();
List<Long> tagExtended = namesAndTagLists.get(i).getTagIdsExtendedInfo();
int offsetIndex = 3; //0 = SWF name, 1 = UI16 zero, 2 = tag list
List<ByteArrayDataStream> tagDataStreams = new ArrayList<>();
final int MAX_BUF_SIZE = 4096;
for (int t = 0; t < tagIds.size(); t++) {
long startOffset = offsets.get(offsetIndex);
long endOffset = offsets.get(offsetIndex + 1);
long dataLength = endOffset - startOffset;
flashStream.seek(startOffset, SeekMode.SET);
long remLength = dataLength;
ByteArrayOutputStream baos = new ByteArrayOutputStream();
do {
int readCount = remLength >= MAX_BUF_SIZE ? MAX_BUF_SIZE : (int) remLength;
byte[] buf = flashStream.readBytes(readCount);
baos.write(buf);
remLength -= readCount;
} while (remLength > 0);
byte tagBytes[] = baos.toByteArray(); //TODO: optimize speed - without ByteArrayOutputStream
ByteArrayDataStream tagDataStream = new ByteArrayDataStream(tagBytes, is64());
tagDataStreams.add(tagDataStream);
offsetIndex++;
}
tagDataTables.add(tagDataStreams);
}
}
@@ -657,4 +683,24 @@ public class IggyExtractor extends AbstractDataStream implements AutoCloseable {
}
}
public int getSwfCount() {
return tagDataTables.size();
}
public String getSwfName(int swfIndex) {
return namesAndTagLists.get(swfIndex).getName();
}
public List<Integer> getSwfTagIds(int swfIndex) {
return namesAndTagLists.get(swfIndex).getTagIds();
}
public List<Long> getSwfTagExtraInfos(int swfIndex) {
return namesAndTagLists.get(swfIndex).getTagIdsExtendedInfo();
}
public SWF extractSwf(int swfIndex) {
return null; //TODO
}
}