public bool Load(string fpPSF, Func<Stream,int,byte[]> cbDeflater)
{
using(var fs = File.OpenRead(fpPSF))
{
//not endian safe
var br = new BinaryReader(fs);
var sig = br.ReadStringFixedAscii(4);
if (sig != "PSF\x1")
return false;
int reserved_size = br.ReadInt32();
int compressed_size = br.ReadInt32();
int compressed_crc32 = br.ReadInt32();
//load tags
//tags run until the end of the file
fs.Position = 16 + reserved_size + compressed_size;
if (fs.Position + 5 > fs.Length)
{
//theres no space for tags, probably just no tags in the file
}
else
{
if (br.ReadStringFixedAscii(5) == "[TAG]")
{
var tagstring = br.ReadStringFixedAscii((int)(fs.Length - fs.Position)).Replace("\r\n", "\n");
foreach (var tag in tagstring.Split('\n', '\x0'))
{
if (tag.Trim() == "")
continue;
int eq = tag.IndexOf('=');
if (eq != -1)
TagsDictionary[tag.Substring(0, eq)] = tag.Substring(eq + 1);
else
LooseTags.Add(tag);
}
}
}
//load compressed section buffer
fs.Position = 16 + reserved_size;
Data = cbDeflater(fs, compressed_size);
//load lib if needed
if (TagsDictionary.ContainsKey("_lib"))
{
var fpLib = Path.Combine(Path.GetDirectoryName(fpPSF), TagsDictionary["_lib"]);
if (!File.Exists(fpLib))
return false;
PSF lib = new PSF();
if (!lib.Load(fpLib,cbDeflater))
return false;
LibData = lib.Data;
}
}
return true;
}
public bool Load(string fpPSF, Func <Stream, int, byte[]> cbDeflater)
{
using (var fs = File.OpenRead(fpPSF))
{
//not endian safe
var br = new BinaryReader(fs);
var sig = br.ReadStringFixedAscii(4);
if (sig != "PSF\x1")
{
return(false);
}
int reserved_size = br.ReadInt32();
int compressed_size = br.ReadInt32();
int compressed_crc32 = br.ReadInt32();
//load tags
//tags run until the end of the file
fs.Position = 16 + reserved_size + compressed_size;
if (fs.Position + 5 > fs.Length)
{
//theres no space for tags, probably just no tags in the file
}
else
{
if (br.ReadStringFixedAscii(5) == "[TAG]")
{
var tagstring = br.ReadStringFixedAscii((int)(fs.Length - fs.Position)).Replace("\r\n", "\n");
foreach (var tag in tagstring.Split('\n', '\x0'))
{
if (tag.Trim() == "")
{
continue;
}
int eq = tag.IndexOf('=');
if (eq != -1)
{
TagsDictionary[tag.Substring(0, eq)] = tag.Substring(eq + 1);
}
else
{
LooseTags.Add(tag);
}
}
}
}
//load compressed section buffer
fs.Position = 16 + reserved_size;
Data = cbDeflater(fs, compressed_size);
//load lib if needed
if (TagsDictionary.ContainsKey("_lib"))
{
var fpLib = Path.Combine(Path.GetDirectoryName(fpPSF), TagsDictionary["_lib"]);
if (!File.Exists(fpLib))
{
return(false);
}
PSF lib = new PSF();
if (!lib.Load(fpLib, cbDeflater))
{
return(false);
}
LibData = lib.Data;
}
}
return(true);
}