public static bool GetInstaller (WrenchProject proj, BuildServices bs,
out IResultInstaller ret) {
ret = null;
// potential recursion!
Result installer;
if (bs.GetTag (proj.Graph.GetTagId ("install"), out installer))
return true;
if (installer == null)
return false;
// use install = false to mean "don't install"
if (installer is MBBool) {
if (((MBBool) installer).Value) {
bs.Logger.Error (2019, "To install this target, set its installer tag to an Installer.", null);
return true;
}
return false;
}
ret = installer as IResultInstaller;
if (ret == null) {
bs.Logger.Error (2016, "This target's \"install\" tag does not support installation", installer.ToString ());
return true;
}
return false;
}
public static bool GetInstaller(WrenchProject proj, BuildServices bs,
out IResultInstaller ret)
{
ret = null;
// potential recursion!
Result installer;
if (bs.GetTag(proj.Graph.GetTagId("install"), out installer))
{
return(true);
}
if (installer == null)
{
return(false);
}
// use install = false to mean "don't install"
if (installer is MBBool)
{
if (((MBBool)installer).Value)
{
bs.Logger.Error(2019, "To install this target, set its installer tag to an Installer.", null);
return(true);
}
return(false);
}
ret = installer as IResultInstaller;
if (ret == null)
{
bs.Logger.Error(2016, "This target's \"install\" tag does not support installation", installer.ToString());
return(true);
}
return(false);
}
public static bool GetInstallerAndResult(WrenchProject proj,
BuildServices bs, out IResultInstaller iri,
out Result obj)
{
obj = null;
if (GetInstaller(proj, bs, out iri))
{
return(true);
}
if (iri == null)
{
return(false);
}
obj = bs.GetValue().Result;
if (obj == null)
{
// error already reported
return(true);
}
bs.Logger.PushLocation(bs.FullName);
obj = CompositeResult.FindCompatible(obj, iri.OtherType);
bs.Logger.PopLocation();
if (obj == null)
{
bs.Logger.Error(2031, "Trying to install result with incompatible installer",
iri.OtherType.ToString());
return(true);
}
return(false);
}
public bool Install(Result installer, Result target, bool backwards, IBuildContext ctxt)
{
IResultInstaller iri = installer as IResultInstaller;
return(iri.InstallResult(target, backwards, ctxt));
}
public static bool GetInstallerAndResult (WrenchProject proj,
BuildServices bs, out IResultInstaller iri,
out Result obj) {
obj = null;
if (GetInstaller (proj, bs, out iri))
return true;
if (iri == null)
return false;
obj = bs.GetValue ().Result;
if (obj == null)
// error already reported
return true;
bs.Logger.PushLocation (bs.FullName);
obj = CompositeResult.FindCompatible (obj, iri.OtherType);
bs.Logger.PopLocation ();
if (obj == null) {
bs.Logger.Error (2031, "Trying to install result with incompatible installer",
iri.OtherType.ToString ());
return true;
}
return false;
}
