public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType)
{
if (typeof(string) == destinationType)
{
return(((TreeBlobPath)value).ToString());
}
else if (typeof(Errorable <TreeBlobPath>) == destinationType)
{
string strValue = value as string;
if (strValue == null)
{
return((Errorable <TreeBlobPath>)null);
}
try
{
// {TreeID}:{CanonicalBlobPath}
int colon = strValue.IndexOf(':');
if (colon < 0)
{
return((Errorable <TreeBlobPath>) new TreeID.ParseError("Could not find first ':' char of TreeBlobPath"));
}
var eroot = TreeID.TryParse(strValue.Substring(0, colon));
if (eroot.HasErrors)
{
return((Errorable <TreeBlobPath>)eroot.Errors);
}
// TODO: TryParse on CanonicalBlobPath...
CanonicalBlobPath path = (CanonicalBlobPath)('/' + strValue.Substring(colon + 1));
return((Errorable <TreeBlobPath>) new TreeBlobPath(eroot.Value, path));
}
catch (ErrorBase err)
{
return((Errorable <TreeBlobPath>)err);
}
catch (Exception ex)
{
return((Errorable <TreeBlobPath>) new InputError(ex.Message));
}
}
return(base.ConvertTo(context, culture, value, destinationType));
}
public async Task<Errorable<HtmlFragment>> RenderBlobAsync(CanonicalBlobPath path)
{
var mroot = await GetRoot();
// The most popular error message will be...
if (!mroot.HasValue) return new ConsistencyError("Either the site is not published or we have no frame of reference on which ");
// Create a TreeBlobPath to root the blob path in the current root TreeID:
var tbpath = new TreeBlobPath(mroot.Value, path);
// Try getting the blob by its path:
var eblob = await SystemContext.tpsbrepo.GetBlobByTreePath(tbpath);
if (eblob.HasErrors) return eblob.Errors;
var blob = eblob.Value.StreamedBlob;
// Render the blob:
var efragment = await Engine.RenderBlob(new TreePathStreamedBlob(tbpath, blob));
if (efragment.HasErrors) return efragment.Errors;
// Return its output:
return efragment.Value;
}
public TreePathStreamedBlob(TreeID rootTreeID, CanonicalBlobPath path, IStreamedBlob blob)
: this(new TreeBlobPath(rootTreeID, path), blob)
{
}
public TreeBlobPath(TreeID rootTreeID, CanonicalBlobPath path)
{
this.RootTreeID = rootTreeID;
this.Path = path;
}
public RenderBlobResult(RenderingSystemContext renderer, CanonicalBlobPath path)
{
this.renderer = renderer;
this.path = path;
}
public MaybeTreeBlobPath(Maybe<TreeID> rootTreeID, CanonicalBlobPath path)
{
this.RootTreeID = rootTreeID;
this.Path = path;
}
public MaybeTreeBlobPath(Maybe <TreeID> rootTreeID, CanonicalBlobPath path)
{
this.RootTreeID = rootTreeID;
this.Path = path;
}
public TreeBlobPath(TreeID rootTreeID, CanonicalBlobPath path)
{
this.RootTreeID = rootTreeID;
this.Path = path;
}
public CanonicalBlobIDPath(CanonicalBlobPath path, BlobID blobID)
{
this.Path = path;
this.BlobID = blobID;
}
public CanonicalBlobIDPath(CanonicalBlobPath path, BlobID blobID)
{
this.Path = path;
this.BlobID = blobID;
}
public TreePathStreamedBlob(TreeID rootTreeID, CanonicalBlobPath path, IStreamedBlob blob)
: this(new TreeBlobPath(rootTreeID, path), blob)
{
}