public void Restore(PatchModel patch)
{
var patcher = new Patcher();
patcher.Patches.Add(patch.ToPatch());
patcher.Apply(this.ExeFileName, false);
}
public void Apply(PatchModel patch)
{
var patcher = new Patcher();
patcher.Patches.Add(patch.ToPatch());
patcher.Apply(this.ExeFileName, true);
}
public void Apply(string exeFileName, bool writeNewValues)
{
if (exeFileName == null)
{
throw new ArgumentNullException("exeFileName");
}
using (FileStream file = File.Open(exeFileName, FileMode.Open, FileAccess.ReadWrite))
{
Patcher.FileVerifyExeVersion(file);
foreach (var patch in this.Patches)
{
foreach (var item in patch.Items)
{
if (writeNewValues)
{
if (!Patcher.FileCheckBytes(file, item.Offset, item.OldValues))
{
throw new InvalidDataException();
}
}
else
{
if (!Patcher.FileCheckBytes(file, item.Offset, item.NewValues))
{
throw new InvalidDataException();
}
}
}
foreach (var item in patch.Items)
{
if (writeNewValues)
{
file.Seek(item.Offset, SeekOrigin.Begin);
file.Write(item.NewValues, 0, item.NewValues.Length);
}
else
{
file.Seek(item.Offset, SeekOrigin.Begin);
file.Write(item.OldValues, 0, item.OldValues.Length);
}
}
}
}
}
public static Patcher Read(string fileName)
{
Patcher patcher = new Patcher();
XmlDocument document = new XmlDocument();
document.Load(fileName);
foreach (XmlNode patchNode in document.SelectNodes("/ArrayOfPatch/Patch"))
{
XmlNode node;
Patch patch = new Patch();
patch.Name = patchNode.Attributes.GetNamedItem("Name").Value;
node = patchNode.Attributes.GetNamedItem("Description");
patch.Description = node != null ? node.Value : null;
foreach (XmlNode itemNode in patchNode.SelectNodes("Item"))
{
patch.Items.Add(new PatchItem
{
OffsetString = itemNode.Attributes.GetNamedItem("Offset").Value,
OldValuesString = itemNode.Attributes.GetNamedItem("From").Value,
NewValuesString = itemNode.Attributes.GetNamedItem("To").Value
});
}
patcher.Patches.Add(patch);
}
return patcher;
}
