private SystemFile(int compat, SystemFileEntry[] entries)
{
_compat = Enum.IsDefined(typeof(Compatibility), compat) ?
(Compatibility)compat :
Compatibility.Version_Unknown;
_entries = entries;
}
public static SystemFile Read(ChmFile f)
{
List <SystemFileEntry> sfelst = new List <SystemFileEntry>();
ChmUnitInfo ui = new ChmUnitInfo();
byte[] buf;
uint pos = 0, remaining = 0;
if (!f.ResolveObject("/#SYSTEM", ref ui))
{
throw new InvalidOperationException("Could not find SYSTEM file in CHM!");
}
buf = new byte[ui.length];
remaining = (uint)buf.Length;
if (f.RetrieveObject(ui, ref buf, 0, (long)ui.length) == 0)
{
throw new InvalidOperationException("Could not read SYSTEM file in CHM!");
}
Int32 version = 0;
Unmarshal.ToInt32(ref buf, ref pos, ref remaining, ref version);
for ( ; pos < buf.Length;)
{
SystemFileEntry sfe = new SystemFileEntry();
Unmarshal.ToUInt16(ref buf, ref pos, ref remaining, ref sfe.code);
Unmarshal.ToUInt16(ref buf, ref pos, ref remaining, ref sfe.length);
sfe.data = new byte[sfe.length];
Array.Copy(buf, pos, sfe.data, 0, sfe.length);
pos += sfe.length;
remaining -= sfe.length;
sfelst.Add(sfe);
}
return(new SystemFile(version, sfelst.ToArray()));
}
public static SystemFile Read(ChmFile f)
{
List<SystemFileEntry> sfelst = new List<SystemFileEntry>();
ChmUnitInfo ui = new ChmUnitInfo();
byte[] buf;
uint pos = 0, remaining = 0;
if (!f.ResolveObject("/#SYSTEM", ref ui))
throw new InvalidOperationException("Could not find SYSTEM file in CHM!");
buf = new byte[ui.length];
remaining = (uint)buf.Length;
if (f.RetrieveObject(ui, ref buf, 0, (long)ui.length) == 0)
throw new InvalidOperationException("Could not read SYSTEM file in CHM!");
Int32 version = 0;
Unmarshal.ToInt32(ref buf, ref pos, ref remaining, ref version);
for ( ; pos < buf.Length; ) {
SystemFileEntry sfe = new SystemFileEntry();
Unmarshal.ToUInt16(ref buf, ref pos, ref remaining, ref sfe.code);
Unmarshal.ToUInt16(ref buf, ref pos, ref remaining, ref sfe.length);
sfe.data = new byte[sfe.length];
Array.Copy(buf, pos, sfe.data, 0, sfe.length);
pos += sfe.length;
remaining -= sfe.length;
sfelst.Add(sfe);
}
return new SystemFile(version, sfelst.ToArray());
}
