private void step_delete()
{
if (dellist == null)
{
FileStream fs = new FileStream(patchfile, FileMode.Open);
dellist = new List <DEL>();
while (fs.Position < fs.Length)
{
CTRL o = read(fs);
if (o.act == action.CTRL_DEL)
{
dellist.Add((DEL)o);
break;
}
}
fs.Close();
fs.Dispose();
}
current = info.add + info.dff + info.mov;
total = gettotal();
UnityEngine.Debug.Log("step_delet");
var iter = dellist.GetEnumerator();
while (iter.MoveNext())
{
var o = iter.Current;
try { File.Delete(Path.Combine(patchdir_rw, o.name)); }catch (SystemException) { }
++current;
}
writehead(step.DELETE);
}
private CTRL read(FileStream fs)
{
action act = CTRL.readact(fs);
CTRL o = null;
switch (act)
{
case action.CTRL_NEW:
o = new NEW();
break;
case action.CTRL_DFF:
o = new DFF();
break;
case action.CTRL_DFX:
o = new DFX();
break;
case action.CTRL_MOV:
o = new MOV();
break;
case action.CTRL_DEL:
o = new DEL();
break;
}
o.read(fs);
return(o);
}
public byte[] patch_content(byte[] old, byte[] patch)
{
int wr = 0, off = 0;
int end = patch.Length;
int fsize = CTRL.read32(patch, ref off);
byte[] buff = new byte[fsize];
while (off < end)
{
int act = CTRL.read8(patch, ref off);
if (act == (int)action.PATCH_COPY)
{
int pos, size;
pos = CTRL.read32(patch, ref off);
size = CTRL.read32(patch, ref off);
Buffer.BlockCopy(old, pos, buff, wr, size);
wr += size;
}
else if (act == (int)action.PATCH_INSERT)
{
int size;
size = CTRL.read32(patch, ref off);
Buffer.BlockCopy(patch, off, buff, wr, size);
off += size;
wr += size;
}
else
{
return(null);
}
}
return(buff);
}
public static CTRL read(byte[] data, ref int off)
{
action act = CTRL.readact(data, ref off);
CTRL o = null;
switch (act)
{
case action.CTRL_NEW:
o = new NEW();
break;
case action.CTRL_DFF:
o = new DFF();
break;
case action.CTRL_DFX:
o = new DFX();
break;
case action.CTRL_MOV:
o = new MOV();
break;
case action.CTRL_DEL:
o = new DEL();
break;
}
o.read(data, ref off);
return(o);
}
private void step_patch()
{
modified = new List <string>();
FileStream fs = new FileStream(patchfile, FileMode.Open);
UnityEngine.Debug.Log("step_patch");
current = 0;
total = gettotal();
dellist = new List <DEL>();
while (fs.Position < fs.Length)
{
CTRL o = read(fs);
byte[] frombuf = null;
string topath = null;
switch (o.act)
{
case action.CTRL_DFF:
modified.Add(((DFF)o).name);
topath = Path.Combine(patchtmp, ((DFF)o).name);
frombuf = readfile_shortname(((DFF)o).name);
if (frombuf != null)
{
patch_content(frombuf, ((DFF)o).patch, topath);
}
break;
case action.CTRL_DFX:
modified.Add(((DFX)o).name);
topath = Path.Combine(patchtmp, ((DFX)o).name);
frombuf = readfile_shortname(((DFX)o).namea);
if (frombuf != null)
{
patch_content(frombuf, ((DFX)o).patch, topath);
}
break;
case action.CTRL_NEW:
modified.Add(((NEW)o).name);
topath = Path.Combine(patchtmp, ((NEW)o).name);
writefile(topath, ((NEW)o).data);
break;
case action.CTRL_MOV:
modified.Add(((MOV)o).name);
frombuf = readfile_shortname(((MOV)o).namea);
if (frombuf != null)
{
topath = Path.Combine(patchtmp, ((MOV)o).name);
writefile(topath, frombuf);
}
break;
case action.CTRL_DEL:
dellist.Add((DEL)o);
break;
}
if (o.act != action.CTRL_DEL)
{
++current;
}
}
fs.Close();
fs.Dispose();
writehead(step.PATCH);
}
public void patch(string patchpath, string dir)
{
int offset = 0, end;
string tmp = Path.Combine(dir, "_temp");
List <CTRL> second = new List <CTRL>();
byte[] patch = File.ReadAllBytes(patchpath);
end = patch.Length;
//step1 dff/dfx
while (offset < end)
{
string frompath, topath;
byte[] frombuf, tobuf;
CTRL o = read(patch, ref offset);
switch (o.act)
{
case action.CTRL_DFF:
frompath = Path.Combine(dir, ((DFF)o).name);
topath = Path.Combine(tmp, ((DFF)o).name);
frombuf = readfile(frompath);
tobuf = patch_content(frombuf, ((DFF)o).patch);
writefile(topath, tobuf);
break;
case action.CTRL_DFX:
frompath = Path.Combine(dir, ((DFX)o).namea);
topath = Path.Combine(tmp, ((DFX)o).name);
frombuf = readfile(frompath);
tobuf = patch_content(frombuf, ((DFX)o).patch);
writefile(topath, tobuf);
break;
case action.CTRL_NEW:
case action.CTRL_MOV:
case action.CTRL_DEL:
second.Add(o);
break;
}
}
//step2 rename/delete/new
var iter = second.GetEnumerator();
while (iter.MoveNext())
{
byte[] data;
string temppath, frompath;
var ctrl = iter.Current;
switch (ctrl.act)
{
case action.CTRL_NEW:
temppath = Path.Combine(tmp, ((NEW)ctrl).name);
writefile(temppath, ((NEW)ctrl).data);
break;
case action.CTRL_MOV:
frompath = Path.Combine(dir, ((MOV)ctrl).namea);
temppath = Path.Combine(tmp, ((MOV)ctrl).name);
data = readfile(frompath);
writefile(temppath, data);
break;
case action.CTRL_DEL:
frompath = Path.Combine(dir, ((DEL)ctrl).name);
File.Delete(frompath);
break;
}
}
//step3 merge
var prefix = tmp.Length + 1;
var files = Directory.GetFiles(tmp, "*", SearchOption.AllDirectories).ToList();
var fiter = files.GetEnumerator();
while (fiter.MoveNext())
{
string from = fiter.Current;
string to = from.Substring(prefix);
to = Path.Combine(dir, to);
var info = new FileInfo(to);
info.Directory.Create();
if (File.Exists(to))
{
File.Delete(to);
}
File.Move(from, to);
}
//step4 verify
//step5 clearnup
Directory.Delete(tmp);
}
