private static void SolveR(Package e,ref List<Package> l)
{
var v = from p in Settings.Installed
from q in p.Depend
where q == e.Name
select p;
foreach(Package s in v)
{
if(!l.Contains(s))
{
l.Add(s);
}
SolveR(s,ref l);
}
}
/// <summary>
/// Solve the dependence of package.
/// </summary>
/// <returns>
/// Packages that is needed to install.
/// </returns>
/// <param name='r'>
/// A package that you want to solve its dependence.
/// </param>
/// <exception cref='GuignolException'>
/// Is thrown when some exception happens in solving dependence.
/// </exception>
public static Package[] SolveDepend(Package r,SolveType t)
{
try
{
var ret = new List<Package>();
ret.Add(r);
if(t == SolveType.Obverse)Solve(r,ref ret);
else SolveR(r,ref ret);
return ret.ToArray();
}
catch (Exception)
{
throw new GuignolException(
"Some of Dependences isn't found from database." +
"Please update repository datas and retry later.");
}
}
private static void Solve(Package e,ref List<Package> l)
{
foreach(string s in e.Depend)
{
var ad=new List<Package>(Settings.PackList).Find(y=>y.Name==s);
if(!l.Contains(ad))
{
l.Add(ad);
}
Solve(ad,ref l);
}
}
public static void Add(Package p)
{
var l = new List<string>(Settings.AutoExec);
l.Add(p.Name);
Settings.AutoExec = l.ToArray();
}
