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committed changes for new file format

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This commit is contained in:
David Anderson
2006-03-19 21:40:24 +00:00
parent ef5437fec3
commit dc9350fcc5
4 changed files with 51 additions and 91 deletions
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90
plugins/BinLogReader/PluginDb.cs
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@ -10,8 +10,6 @@ namespace BinLogReader
/// </summary>
public class PluginDb
{
private static uint BINDB_MAGIC = 0x414D4244;
private static short BINDB_VERSION = 0x0100;
private ArrayList PluginList;
public int Count
@ -40,72 +38,38 @@ namespace BinLogReader
return (Plugin)PluginList[id];
}
public static PluginDb FromFile(string filename)
public static PluginDb FromFile(BinaryReader br)
{
if (!File.Exists(filename))
return null;
System.IO.FileStream stream = File.Open(filename, System.IO.FileMode.Open);
if (stream == null)
return null;
BinaryReader br = new BinaryReader(stream);
if (br == null)
return null;
PluginDb db;
try
//read plugins
uint plugins = br.ReadUInt32();
PluginDb db = new PluginDb(plugins);
for (uint i=0; i<plugins; i++)
{
//check header
uint magic = br.ReadUInt32();
if (magic != BINDB_MAGIC)
throw new Exception("Invalid magic DB number");
//check version
ushort vers = br.ReadUInt16();
if (vers > BINDB_VERSION)
throw new Exception("Unknown DB version");
//read plugins
uint plugins = br.ReadUInt32();
db = new PluginDb(plugins);
for (uint i=0; i<plugins; i++)
byte status = br.ReadByte();
byte length = br.ReadByte();
byte [] name = br.ReadBytes(length + 1);
uint natives = br.ReadUInt32();
uint publics = br.ReadUInt32();
int id = db.CreatePlugin(
Encoding.ASCII.GetString(name, 0, length),
(int)natives,
(int)publics,
status,
(int)i);
Plugin pl = db.GetPluginById(id);
for (uint j=0; j<natives; j++)
{
byte status = br.ReadByte();
byte length = br.ReadByte();
byte [] name = br.ReadBytes(length + 1);
uint natives = br.ReadUInt32();
uint publics = br.ReadUInt32();
int id = db.CreatePlugin(
Encoding.ASCII.GetString(name, 0, length),
(int)natives,
(int)publics,
status,
(int)i);
Plugin pl = db.GetPluginById(id);
for (uint j=0; j<natives; j++)
{
length = br.ReadByte();
name = br.ReadBytes(length + 1);
pl.AddNative(Encoding.ASCII.GetString(name, 0, length));
}
for (uint j=0; j<publics; j++)
{
length = br.ReadByte();
name = br.ReadBytes(length + 1);
pl.AddPublic(Encoding.ASCII.GetString(name, 0, length));
}
length = br.ReadByte();
name = br.ReadBytes(length + 1);
pl.AddNative(Encoding.ASCII.GetString(name, 0, length));
}
for (uint j=0; j<publics; j++)
{
length = br.ReadByte();
name = br.ReadBytes(length + 1);
pl.AddPublic(Encoding.ASCII.GetString(name, 0, length));
}
}
catch
{
db = null;
throw new Exception("DB file is corrupt");
}
finally
{
br.Close();
stream.Close();
GC.Collect();
}
return db;
}