/// <summary>
/// Unpack a PBP file, avoiding to consume too much memory
/// (i.e. not reading each section completely in memory).
/// </summary>
/// <param name="vFile"> the PBP file </param>
/// <exception cref="IOException"> </exception>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public static void unpackPBP(pspsharp.HLE.VFS.IVirtualFile vFile) throws java.io.IOException
public static void unpackPBP(IVirtualFile vFile)
{
vFile.ioLseek(0L);
PBP pbp = new PBP();
pbp.size_pbp = (int)vFile.Length();
pbp.p_magic = read32(vFile);
if (!pbp.Valid)
{
return;
}
pbp.p_version = read32(vFile);
pbp.p_offsets = new int[] { read32(vFile), read32(vFile), read32(vFile), read32(vFile), read32(vFile), read32(vFile), read32(vFile), read32(vFile), pbp.size_pbp };
File dir = new File(PBP_UNPACK_PATH_PREFIX);
deleteDir(dir); //delete all files and directory
dir.mkdir();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'sealed override':
//ORIGINAL LINE: sealed override byte[] buffer = new byte[10 * 1024];
sbyte[] buffer = new sbyte[10 * 1024];
for (int index = 0; index < TOTAL_FILES; index++)
{
int size = pbp.getSize(index);
if (size > 0)
{
long offset = pbp.getOffset(index) & 0xFFFFFFFFL;
if (vFile.ioLseek(offset) == offset)
{
System.IO.Stream os = new System.IO.FileStream(PBP_UNPACK_PATH_PREFIX + pbp.getName(index), System.IO.FileMode.Create, System.IO.FileAccess.Write);
while (size > 0)
{
int Length = System.Math.Min(size, buffer.Length);
int readLength = vFile.ioRead(buffer, 0, Length);
if (readLength > 0)
{
os.Write(buffer, 0, readLength);
size -= readLength;
}
if (readLength != Length)
{
break;
}
}
os.Close();
}
}
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public static void unpackPBP(ByteBuffer f) throws java.io.IOException
public static void unpackPBP(ByteBuffer f)
{
f.position(0); //seek to 0
PBP pbp = new PBP(f);
if (!pbp.Valid)
{
return;
}
File dir = new File(PBP_UNPACK_PATH_PREFIX);
deleteDir(dir); //delete all files and directory
dir.mkdir();
for (int index = 0; index < TOTAL_FILES; index++)
{
sbyte[] bytes = pbp.getBytes(f, index);
if (bytes != null && bytes.Length > 0)
{
FileUtil.writeBytes(new File(PBP_UNPACK_PATH_PREFIX + pbp.getName(index)), bytes);
}
}
}
