public EmbeddedBlobStore([NotNull] Assembly assembly, StringKeySequence basePath = default(StringKeySequence))
{
if (assembly == null)
{
throw new ArgumentNullException(nameof(assembly));
}
mData = CreateHierarchicalStoreFromManifestResourceNames(assembly, basePath);
}
private EmbeddedBlobStoreNamespace CreateHierarchicalStoreFromManifestResourceNames(Assembly assembly, StringKeySequence basePath)
{
var resourceNames = assembly.GetManifestResourceNames();
var baseName = assembly.DefinedTypes
.Select(x => x.Namespace)
.Where(x => !string.IsNullOrEmpty(x))
.Distinct()
.Where(x => resourceNames.Any(y => y.StartsWith(x)))
.OrderBy(x => x.Length)
.FirstOrDefault();
if (!basePath.IsEmpty)
{
baseName += "." + basePath.ToString(".");
}
StringKeySequence rootName;
if (string.IsNullOrWhiteSpace(baseName))
{
rootName = new StringKeySequence();
}
else
{
rootName = new StringKeySequence(baseName.Split('.'));
}
var names = new HashSet <StringKeySequence>(resourceNames.Select(x => CreateKeySequence(baseName, x)).OrderBy(x => x.Segments.Length));
if (names.Count == 0)
{
return(new EmbeddedBlobStoreNamespace(rootName, new StringKeySequence(), assembly, new Dictionary <StringKey, EmbeddedBlobStoreNamespace>(), new StringKey[0]));
}
var leafNames = new HashSet <StringKeySequence>(
from ancestor in names
let directDescendants =
from descendant in names
let isNextLevelDescendant = descendant.Segments.Length == ancestor.Segments.Length + 1
let isDescendantInAncestorSet = descendant.ToString().StartsWith(ancestor.ToString())
where isNextLevelDescendant && isDescendantInAncestorSet
select descendant
where !directDescendants.Any()
select ancestor);
var branchNames = new HashSet <StringKeySequence>();
foreach (var leafName in leafNames)
{
for (var i = 0; i < leafName.Segments.Length - 1; i++)
{
var partialName = new StringKeySequence(leafName.Segments.Take(i + 1).ToArray());
branchNames.Add(partialName);
}
}
if (branchNames.Count == 0)
{
return(new EmbeddedBlobStoreNamespace(rootName, new StringKeySequence(), assembly, new Dictionary <StringKey, EmbeddedBlobStoreNamespace>(), leafNames.Select(x => x.ToString(".").AsKey())));
}
var structure =
from branch in branchNames
let childBranches =
from childBranch in branchNames
let isNextLevelDescendant = childBranch.Segments.Length == branch.Segments.Length + 1
let isDescendantInAncestorSet = childBranch.ToString().StartsWith(branch.ToString())
where isNextLevelDescendant && isDescendantInAncestorSet
select childBranch
let childLeaves =
from childLeaf in leafNames
let isNextLevelDescendant = childLeaf.Segments.Length == branch.Segments.Length + 1
let isDescendantInAncestorSet = childLeaf.ToString().StartsWith(branch.ToString())
where isNextLevelDescendant && isDescendantInAncestorSet
select childLeaf
let sortKey = childBranches.Any() ? 0 : 1
let level = branch.Segments.Length
// ReSharper disable once RedundantQueryOrderByAscendingKeyword
orderby sortKey ascending
// ReSharper disable once MultipleOrderBy
orderby level descending
select new
{
Name = branch,
Branches = childBranches,
Leaves = childLeaves,
Level = level
};
var branchDictionary = new Dictionary <StringKeySequence, EmbeddedBlobStoreNamespace>();
foreach (var element in structure)
{
var directChildren = element.Branches.ToDictionary(x => x.Segments.Last(), x => branchDictionary[x]);
var childLeaves = element.Leaves.Select(x => x.Segments.Last()).ToArray();
var container = new EmbeddedBlobStoreNamespace(rootName, element.Name, assembly, directChildren, childLeaves);
branchDictionary.Add(element.Name, container);
}
var minLength = branchDictionary.Min(x => x.Key.Segments.Length);
var bottomLevelBranches = branchDictionary.Where(x => x.Key.Segments.Length == minLength);
var bottomLevelLeaves = leafNames.Where(x => x.Segments.Length == minLength);
return(new EmbeddedBlobStoreNamespace(
rootName,
new StringKeySequence(),
assembly,
bottomLevelBranches.ToDictionary(x => x.Key.Segments.Last(), x => x.Value),
bottomLevelLeaves.Select(x => x.Segments.Last())));
}
