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Issue #66 Decompress LZMA from commandline

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This commit is contained in:
Jindra Petk
2013-04-20 10:46:00 +02:00
parent 9e79afd784
commit 877ba24c81
3 changed files with 31 additions and 54 deletions
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69
trunk/src/com/jpexs/decompiler/flash/SWF.java
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@@ -320,57 +320,32 @@ public class SWF {
return true;
}
/**
* Decompress SWF file
*
* @param fis Input stream
* @param fos Output stream
*/
public static boolean cws2fws(InputStream fis, OutputStream fos) {
try {
byte swfHead[] = new byte[8];
fis.read(swfHead);
InflaterInputStream iis = new InflaterInputStream(fis);
if (swfHead[0] != 'C') {
fis.close();
return false;
}
swfHead[0] = 'F';
fos.write(swfHead);
int i;
while ((i = iis.read()) != -1) {
fos.write(i);
}
fis.close();
fos.close();
} catch (FileNotFoundException ex) {
return false;
} catch (IOException ex) {
return false;
}
return true;
}
/**
* Decompress LZMA compressed SWF file
*
* @param fis Input stream
* @param fos Output stream
*/
public static boolean zws2fws(InputStream fis, OutputStream fos) {
public static boolean decompress(InputStream fis, OutputStream fos) {
try {
byte hdr[] = new byte[3];
fis.read(hdr);
String shdr = new String(hdr);
if (!shdr.equals("ZWS")) {
return false;
}
int version = fis.read();
SWFInputStream sis = new SWFInputStream(fis, version, 4);
long fileSize = sis.readUI32();
if (shdr.equals("CWS")) {
int version = fis.read();
SWFInputStream sis = new SWFInputStream(fis, version, 4);
long fileSize = sis.readUI32();
SWFOutputStream sos = new SWFOutputStream(fos, version);
sos.write("FWS".getBytes());
sos.writeUI8(version);
sos.writeUI32(fileSize);
InflaterInputStream iis = new InflaterInputStream(fis);
int i;
while ((i = iis.read()) != -1) {
fos.write(i);
}
fis.close();
fos.close();
} else if (shdr.equals("ZWS")) {
int version = fis.read();
SWFInputStream sis = new SWFInputStream(fis, version, 4);
long fileSize = sis.readUI32();
if (hdr[0] == 'Z') {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
long outSize = sis.readUI32();
int propertiesSize = 5;
@@ -392,6 +367,8 @@ public class SWF {
sos.writeUI32(fileSize);
sos.write(baos.toByteArray());
sos.close();
fis.close();
fos.close();
} else {
return false;
}