private static int index; // initialized to 0 by runtime
#endregion Fields
#region Methods
internal static bool ApplyPatches(Patch[] patches, Guid productCode)
{
bool success = true;
if(patches != null && patches.Length > 0)
{
foreach(Patch patch in patches)
{
if(patch.productCodes.Length == 0)
{
patch.productCodes = new Guid[1];
patch.productCodes[0] = productCode;
}
foreach(Guid code in patch.productCodes)
{
if(code == productCode)
{
Console.Write("Applying patch "+ patch.name + "... ");
uint ret = WindowsInstaller.ApplyPatch(patch.Url, "{" + productCode.ToString().ToUpper() + "}",
WindowsInstaller.MsiInstallType.SingleInstance, "");
Console.Write("\x08");
Console.WriteLine(getErrorMessage(ret));
if(ret != 0)
success = false;
break;
}
}
}
}
return success;
}
/// <summary>
/// Used internally by the Library to update the package list for a single
/// repository.
/// </summary>
/// <param name="Url">
/// URL of the package file.
/// </param>
/// <returns>
/// A boolean value indicating whether the update succeeded.
/// </returns>
/// <exception cref="WiptException">
/// An exception is thrown if two product names match, but the upgrade
/// codes differ.
/// </exception>
private static bool Update(string Url)
{
WebRequest req = WebRequest.Create(new Uri(Url));
Stream i;
try
{
i = req.GetResponse().GetResponseStream();
XmlDocument repository = LoadRepository(i);
i.Close();
foreach(XmlLinkedNode FirstLevel in repository.ChildNodes)
{
if(FirstLevel.Name == "Repository")
{
foreach(XmlElement curNode in FirstLevel.ChildNodes)
{
if(curNode.Name == "Product")
{
Product p;
if(library.ContainsKey(curNode.GetAttribute("Name").ToLower()))
{
p = (Product)library[curNode.GetAttribute("Name").ToLower()];
if(p.upgradeCode !=
new Guid(curNode.GetAttribute("UpgradeCode")))
{
throw new WiptException("Product name collision on "
+ p.name);
}
}
else
{
p = new Product(curNode.GetAttribute("Name"), curNode.GetAttribute("Publisher"),
curNode.GetAttribute("SupportURL"));
p.upgradeCode = new Guid(curNode.GetAttribute("UpgradeCode"));
library.Add(curNode.GetAttribute("Name").ToLower(), p);
}
foreach(XmlElement e in curNode.ChildNodes)
{
switch(e.Name)
{
case "StableVersion":
p.stableVersion = new Version(
e.GetAttribute("Major") + "." +
e.GetAttribute("Minor") + "." +
e.GetAttribute("Build")
);
break;
case "Description":
p.description = e.InnerText;
break;
case "Transform":
Transform q = new Transform();
foreach(XmlElement n in e.ChildNodes)
{
switch(n.Name)
{
case "MinVersion":
q.minVersion = new Version(
n.GetAttribute("Major") + "." +
n.GetAttribute("Minor") + "." +
n.GetAttribute("Build"));
break;
case "MaxVersion":
q.maxVersion = new Version(
n.GetAttribute("Major") + "." +
n.GetAttribute("Minor") + "." +
n.GetAttribute("Build"));
break;
case "URL":
q.Url = n.InnerText;
break;
}
}
Transform[] tmp = new Transform[p.transforms.Length + 1];
Array.Copy(p.transforms, tmp, p.transforms.Length);
tmp[p.transforms.Length] = q;
p.transforms = tmp;
break;
case "Patch":
Patch g = new Patch(new Guid(e.GetAttribute("PatchCode")), e.GetAttribute("Name"));
foreach(XmlElement v in e.ChildNodes)
{
if(v.Name == "URL")
{
g.Url = v.InnerText;
}
else if(v.Name == "ProductCode")
{
Guid[] nm = new Guid[g.productCodes.Length + 1];
Array.Copy(g.productCodes, nm, g.productCodes.Length);
nm[g.productCodes.Length] = new Guid(v.InnerText);
g.productCodes = nm;
}
}
{
Patch[] nm = new Patch[p.patches.Length + 1];
Array.Copy(p.patches, nm, p.patches.Length);
nm[p.patches.Length] = g;
p.patches = nm;
}
break;
case "Package":
Package a = new Package(e.GetAttribute("ProductCode"));
Package[] np = new Package[p.packages.Length + 1];
Array.Copy(p.packages, np, p.packages.Length);
np[p.packages.Length] = a;
p.packages = np;
foreach(XmlNode y in e.ChildNodes)
{
if(y is XmlElement)
{
XmlElement t = (XmlElement)y;
switch(t.Name)
{
case "Version":
a.version = new Version(
t.GetAttribute("Major") + "." +
t.GetAttribute("Minor") + "." +
t.GetAttribute("Build")
);
break;
case "URL":
a.Url = t.InnerText;
break;
}
}
}
break;
}
}
}
}
}
}
}
catch(System.Net.WebException)
{
return false;
}
return true;
}
internal static bool IsPatchApplied(Patch patch, Guid productCode)
{
Guid[] codes = WindowsInstaller.EnumPatches(productCode);
foreach(Guid code in codes)
{
if(patch.patchCode == code)
return true;
}
return false;
}