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Memory input stream (Simplified version of ReReadableInputStream, which accepts byte array)

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This commit is contained in:
Honfika
2013-11-30 16:00:51 +01:00
parent 2af979dbd9
commit ab569f1dd2
18 changed files with 395 additions and 299 deletions
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492
trunk/src/com/jpexs/decompiler/flash/SWFInputStream.java
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@@ -17,7 +17,6 @@
package com.jpexs.decompiler.flash;
import com.jpexs.decompiler.flash.action.Action;
import com.jpexs.decompiler.flash.action.ActionListReader;
import com.jpexs.decompiler.flash.action.model.ConstantPool;
import com.jpexs.decompiler.flash.action.special.ActionEnd;
import com.jpexs.decompiler.flash.action.special.ActionNop;
@@ -55,7 +54,7 @@ import com.jpexs.decompiler.flash.types.shaperecords.StraightEdgeRecord;
import com.jpexs.decompiler.flash.types.shaperecords.StyleChangeRecord;
import com.jpexs.helpers.Helper;
import com.jpexs.helpers.ProgressListener;
import com.jpexs.helpers.ReReadableInputStream;
import com.jpexs.helpers.streams.SeekableInputStream;
import com.jpexs.helpers.utf8.Utf8Helper;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
@@ -166,6 +165,21 @@ public class SWFInputStream extends InputStream {
return pos;
}
/**
* Sets position in bytes in the stream
*
* @param pos Number of bytes
*/
public void seek(int pos) throws IOException {
if (is instanceof SeekableInputStream) {
SeekableInputStream sis = (SeekableInputStream) is;
sis.seek(pos);
}
else {
throw new IOException("Underlying stream is not a SeekableInputStream");
}
}
/**
* Reads one byte from the stream
*
@@ -535,15 +549,6 @@ public class SWFInputStream extends InputStream {
return ret;
}
public List<Action> readActionList(List<DisassemblyListener> listeners, long containerSWFOffset, String path) throws IOException {
ReReadableInputStream rri = new ReReadableInputStream(this);
return ActionListReader.readActionList(listeners, containerSWFOffset, rri, version, 0, -1, path);
}
public List<Action> readActionList(List<DisassemblyListener> listeners, long containerSWFOffset, ReReadableInputStream rri, int maxlen, String path) throws IOException {
return ActionListReader.readActionList(listeners, containerSWFOffset, rri, version, (int) rri.getPos(), (int) rri.getPos() + maxlen, path);
}
private static void dumpTag(PrintStream out, int version, Tag tag, int level) {
StringBuilder sb = new StringBuilder();
sb.append(Helper.formatHex((int) tag.getPos(), 8));
@@ -1072,251 +1077,244 @@ public class SWFInputStream extends InputStream {
return ret;
}
public Action readAction(ConstantPool cpool) throws IOException {
return readAction(new ReReadableInputStream(this), cpool);
}
/**
* Reads one Action from the stream
*
* @param rri
* @return Action or null when ActionEndFlag or end of the stream
* @throws IOException
*/
public Action readAction(ReReadableInputStream rri, ConstantPool cpool) throws IOException {
{
int actionCode = -1;
public Action readAction(ConstantPool cpool) throws IOException {
int actionCode = -1;
try {
actionCode = readUI8();
if (actionCode == 0) {
return new ActionEnd();
}
if (actionCode == -1) {
return null;
}
int actionLength = 0;
if (actionCode >= 0x80) {
actionLength = readUI16();
}
switch (actionCode) {
//SWF3 Actions
case 0x81:
return new ActionGotoFrame(actionLength, this);
case 0x83:
return new ActionGetURL(actionLength, this, version);
case 0x04:
return new ActionNextFrame();
case 0x05:
return new ActionPrevFrame();
case 0x06:
return new ActionPlay();
case 0x07:
return new ActionStop();
case 0x08:
return new ActionToggleQuality();
case 0x09:
return new ActionStopSounds();
case 0x8A:
return new ActionWaitForFrame(actionLength, this, cpool);
case 0x8B:
return new ActionSetTarget(actionLength, this, version);
case 0x8C:
return new ActionGoToLabel(actionLength, this, version);
//SWF4 Actions
case 0x96:
return new ActionPush(actionLength, this, version);
case 0x17:
return new ActionPop();
case 0x0A:
return new ActionAdd();
case 0x0B:
return new ActionSubtract();
case 0x0C:
return new ActionMultiply();
case 0x0D:
return new ActionDivide();
case 0x0E:
return new ActionEquals();
case 0x0F:
return new ActionLess();
case 0x10:
return new ActionAnd();
case 0x11:
return new ActionOr();
case 0x12:
return new ActionNot();
case 0x13:
return new ActionStringEquals();
case 0x14:
return new ActionStringLength();
case 0x21:
return new ActionStringAdd();
case 0x15:
return new ActionStringExtract();
case 0x29:
return new ActionStringLess();
case 0x31:
return new ActionMBStringLength();
case 0x35:
return new ActionMBStringExtract();
case 0x18:
return new ActionToInteger();
case 0x32:
return new ActionCharToAscii();
case 0x33:
return new ActionAsciiToChar();
case 0x36:
return new ActionMBCharToAscii();
case 0x37:
return new ActionMBAsciiToChar();
case 0x99:
return new ActionJump(actionLength, this);
case 0x9D:
return new ActionIf(actionLength, this);
case 0x9E:
return new ActionCall(actionLength);
case 0x1C:
return new ActionGetVariable();
case 0x1D:
return new ActionSetVariable();
case 0x9A:
return new ActionGetURL2(actionLength, this);
case 0x9F:
return new ActionGotoFrame2(actionLength, this);
case 0x20:
return new ActionSetTarget2();
case 0x22:
return new ActionGetProperty();
case 0x23:
return new ActionSetProperty();
case 0x24:
return new ActionCloneSprite();
case 0x25:
return new ActionRemoveSprite();
case 0x27:
return new ActionStartDrag();
case 0x28:
return new ActionEndDrag();
case 0x8D:
return new ActionWaitForFrame2(actionLength, this, cpool);
case 0x26:
return new ActionTrace();
case 0x34:
return new ActionGetTime();
case 0x30:
return new ActionRandomNumber();
//SWF5 Actions
case 0x3D:
return new ActionCallFunction();
case 0x52:
return new ActionCallMethod();
case 0x88:
return new ActionConstantPool(actionLength, this, version);
case 0x9B:
return new ActionDefineFunction(actionLength, this, rri, version);
case 0x3C:
return new ActionDefineLocal();
case 0x41:
return new ActionDefineLocal2();
case 0x3A:
return new ActionDelete();
case 0x3B:
return new ActionDelete2();
case 0x46:
return new ActionEnumerate();
case 0x49:
return new ActionEquals2();
case 0x4E:
return new ActionGetMember();
case 0x42:
return new ActionInitArray();
case 0x43:
return new ActionInitObject();
case 0x53:
return new ActionNewMethod();
case 0x40:
return new ActionNewObject();
case 0x4F:
return new ActionSetMember();
case 0x45:
return new ActionTargetPath();
case 0x94:
return new ActionWith(actionLength, this, rri, version);
case 0x4A:
return new ActionToNumber();
case 0x4B:
return new ActionToString();
case 0x44:
return new ActionTypeOf();
case 0x47:
return new ActionAdd2();
case 0x48:
return new ActionLess2();
case 0x3F:
return new ActionModulo();
case 0x60:
return new ActionBitAnd();
case 0x63:
return new ActionBitLShift();
case 0x61:
return new ActionBitOr();
case 0x64:
return new ActionBitRShift();
case 0x65:
return new ActionBitURShift();
case 0x62:
return new ActionBitXor();
case 0x51:
return new ActionDecrement();
case 0x50:
return new ActionIncrement();
case 0x4C:
return new ActionPushDuplicate();
case 0x3E:
return new ActionReturn();
case 0x4D:
return new ActionStackSwap();
case 0x87:
return new ActionStoreRegister(actionLength, this);
//SWF6 Actions
case 0x54:
return new ActionInstanceOf();
case 0x55:
return new ActionEnumerate2();
case 0x66:
return new ActionStrictEquals();
case 0x67:
return new ActionGreater();
case 0x68:
return new ActionStringGreater();
//SWF7 Actions
case 0x8E:
return new ActionDefineFunction2(actionLength, this, rri, version);
case 0x69:
return new ActionExtends();
case 0x2B:
return new ActionCastOp();
case 0x2C:
return new ActionImplementsOp();
case 0x8F:
return new ActionTry(actionLength, this, rri, version);
case 0x2A:
return new ActionThrow();
default:
/*if (actionLength > 0) {
//skip(actionLength);
}*/
//throw new UnknownActionException(actionCode);
Action r = new ActionNop();
r.actionCode = actionCode;
r.actionLength = actionLength;
return r;
//return new Action(actionCode, actionLength);
}
} catch (EndOfStreamException | ArrayIndexOutOfBoundsException eos) {
try {
actionCode = readUI8();
if (actionCode == 0) {
return new ActionEnd();
}
if (actionCode == -1) {
return null;
}
int actionLength = 0;
if (actionCode >= 0x80) {
actionLength = readUI16();
}
switch (actionCode) {
//SWF3 Actions
case 0x81:
return new ActionGotoFrame(actionLength, this);
case 0x83:
return new ActionGetURL(actionLength, this, version);
case 0x04:
return new ActionNextFrame();
case 0x05:
return new ActionPrevFrame();
case 0x06:
return new ActionPlay();
case 0x07:
return new ActionStop();
case 0x08:
return new ActionToggleQuality();
case 0x09:
return new ActionStopSounds();
case 0x8A:
return new ActionWaitForFrame(actionLength, this, cpool);
case 0x8B:
return new ActionSetTarget(actionLength, this, version);
case 0x8C:
return new ActionGoToLabel(actionLength, this, version);
//SWF4 Actions
case 0x96:
return new ActionPush(actionLength, this, version);
case 0x17:
return new ActionPop();
case 0x0A:
return new ActionAdd();
case 0x0B:
return new ActionSubtract();
case 0x0C:
return new ActionMultiply();
case 0x0D:
return new ActionDivide();
case 0x0E:
return new ActionEquals();
case 0x0F:
return new ActionLess();
case 0x10:
return new ActionAnd();
case 0x11:
return new ActionOr();
case 0x12:
return new ActionNot();
case 0x13:
return new ActionStringEquals();
case 0x14:
return new ActionStringLength();
case 0x21:
return new ActionStringAdd();
case 0x15:
return new ActionStringExtract();
case 0x29:
return new ActionStringLess();
case 0x31:
return new ActionMBStringLength();
case 0x35:
return new ActionMBStringExtract();
case 0x18:
return new ActionToInteger();
case 0x32:
return new ActionCharToAscii();
case 0x33:
return new ActionAsciiToChar();
case 0x36:
return new ActionMBCharToAscii();
case 0x37:
return new ActionMBAsciiToChar();
case 0x99:
return new ActionJump(actionLength, this);
case 0x9D:
return new ActionIf(actionLength, this);
case 0x9E:
return new ActionCall(actionLength);
case 0x1C:
return new ActionGetVariable();
case 0x1D:
return new ActionSetVariable();
case 0x9A:
return new ActionGetURL2(actionLength, this);
case 0x9F:
return new ActionGotoFrame2(actionLength, this);
case 0x20:
return new ActionSetTarget2();
case 0x22:
return new ActionGetProperty();
case 0x23:
return new ActionSetProperty();
case 0x24:
return new ActionCloneSprite();
case 0x25:
return new ActionRemoveSprite();
case 0x27:
return new ActionStartDrag();
case 0x28:
return new ActionEndDrag();
case 0x8D:
return new ActionWaitForFrame2(actionLength, this, cpool);
case 0x26:
return new ActionTrace();
case 0x34:
return new ActionGetTime();
case 0x30:
return new ActionRandomNumber();
//SWF5 Actions
case 0x3D:
return new ActionCallFunction();
case 0x52:
return new ActionCallMethod();
case 0x88:
return new ActionConstantPool(actionLength, this, version);
case 0x9B:
return new ActionDefineFunction(actionLength, this, version);
case 0x3C:
return new ActionDefineLocal();
case 0x41:
return new ActionDefineLocal2();
case 0x3A:
return new ActionDelete();
case 0x3B:
return new ActionDelete2();
case 0x46:
return new ActionEnumerate();
case 0x49:
return new ActionEquals2();
case 0x4E:
return new ActionGetMember();
case 0x42:
return new ActionInitArray();
case 0x43:
return new ActionInitObject();
case 0x53:
return new ActionNewMethod();
case 0x40:
return new ActionNewObject();
case 0x4F:
return new ActionSetMember();
case 0x45:
return new ActionTargetPath();
case 0x94:
return new ActionWith(actionLength, this, version);
case 0x4A:
return new ActionToNumber();
case 0x4B:
return new ActionToString();
case 0x44:
return new ActionTypeOf();
case 0x47:
return new ActionAdd2();
case 0x48:
return new ActionLess2();
case 0x3F:
return new ActionModulo();
case 0x60:
return new ActionBitAnd();
case 0x63:
return new ActionBitLShift();
case 0x61:
return new ActionBitOr();
case 0x64:
return new ActionBitRShift();
case 0x65:
return new ActionBitURShift();
case 0x62:
return new ActionBitXor();
case 0x51:
return new ActionDecrement();
case 0x50:
return new ActionIncrement();
case 0x4C:
return new ActionPushDuplicate();
case 0x3E:
return new ActionReturn();
case 0x4D:
return new ActionStackSwap();
case 0x87:
return new ActionStoreRegister(actionLength, this);
//SWF6 Actions
case 0x54:
return new ActionInstanceOf();
case 0x55:
return new ActionEnumerate2();
case 0x66:
return new ActionStrictEquals();
case 0x67:
return new ActionGreater();
case 0x68:
return new ActionStringGreater();
//SWF7 Actions
case 0x8E:
return new ActionDefineFunction2(actionLength, this, version);
case 0x69:
return new ActionExtends();
case 0x2B:
return new ActionCastOp();
case 0x2C:
return new ActionImplementsOp();
case 0x8F:
return new ActionTry(actionLength, this, version);
case 0x2A:
return new ActionThrow();
default:
/*if (actionLength > 0) {
//skip(actionLength);
}*/
//throw new UnknownActionException(actionCode);
Action r = new ActionNop();
r.actionCode = actionCode;
r.actionLength = actionLength;
return r;
//return new Action(actionCode, actionLength);
}
} catch (EndOfStreamException | ArrayIndexOutOfBoundsException eos) {
return null;
}
}