public override Entity Resolve(Entity owner, string key, bool fallback = false)
{
VirtualFile file = owner.Value <VirtualFile>();
if (file != null)
{
if (key == EntityKeys.PathKey)
{
return(owner.Create(key, file.Parent.FullName));
}
if (file.HasPropertyValueEntity(MapFileAccessKey(key)))
{
return(owner.PropertyValueEntity(MapFileAccessKey(key), file, key));
}
}
VirtualDirectory directory = owner.Value <VirtualDirectory>();
if (directory != null)
{
if (key == EntityKeys.PathKey)
{
return(owner.Create(key, directory.FullName));
}
if (directory.HasPropertyValueEntity(MapFileAccessKey(key)))
{
return(owner.PropertyValueEntity(MapFileAccessKey(key), directory, key));
}
}
switch (key)
{
case EntityKeys.NewlineKey:
return(owner.Create(key, Environment.NewLine));
case EntityKeys.ActiveDirectoryKey:
return(owner.Create(key, fileSystem.CurrentDirectory.FullName));
case EntityKeys.IsRootedKey:
bool isRooted = fileSystem.IsRooted(owner.Value <string>());
return(owner.Create(key, isRooted.ToString(CultureInfo.InvariantCulture), isRooted));
case EntityKeys.InternalDirectoryKey:
string path = owner.HasValue <string>() &&
fileSystem.DirectoryExists(owner.Value <string>())
? owner.Value <string>()
: owner.Path;
return(owner.Create(key, fileSystem.GetDirectory(path, createNew: false)));
case EntityKeys.InternalTempDirectoryKey:
return(owner.Create(key, TempDirectory));
case EntityKeys.ChunkStartKey:
return(owner.Create(key, owner.Value <DataChunk>().Start));
case EntityKeys.ChunkEndKey:
return(owner.Create(key, owner.Value <DataChunk>().End));
case EntityKeys.CountKey:
return(owner.Create(key, owner.Count.ToString(CultureInfo.InvariantCulture), owner.Count));
default:
throw new ContentProviderException(key, owner);
}
}
public override Entity Resolve(Entity owner, string key, bool fallback = false)
{
VirtualFile file = owner.Value <VirtualFile>();
if (file != null)
{
if (key == EntityKeys.PathKey)
{
return(owner.Create(key, file.Parent.FullName));
}
if (file.HasPropertyValueEntity(MapFileAccessKey(key)))
{
return(owner.PropertyValueEntity(MapFileAccessKey(key), file, key));
}
}
VirtualDirectory directory = owner.Value <VirtualDirectory>();
if (directory != null)
{
if (key == EntityKeys.PathKey)
{
return(owner.Create(key, directory.FullName));
}
if (directory.HasPropertyValueEntity(MapFileAccessKey(key)))
{
return(owner.PropertyValueEntity(MapFileAccessKey(key), directory, key));
}
}
switch (key)
{
case EntityKeys.NewlineKey:
return(owner.Create(key, Environment.NewLine));
case EntityKeys.ActiveDirectoryKey:
return(owner.Create(key, fileSystem.CurrentDirectory.FullName));
case EntityKeys.IsRootedKey:
bool isRooted = fileSystem.IsRooted(owner.Value <string>());
return(owner.Create(key, isRooted.ToString(CultureInfo.InvariantCulture), isRooted));
case EntityKeys.InternalDirectoryKey:
string path = owner.HasValue <string>() &&
fileSystem.DirectoryExists(owner.Value <string>())
? owner.Value <string>()
: owner.Path;
return(owner.Create(key, fileSystem.GetDirectory(path, createNew: false)));
case EntityKeys.InternalTempDirectoryKey:
return(owner.Create(key, TempDirectory));
case EntityKeys.ChunkStartKey:
return(owner.Create(key, owner.Value <DataChunk>().Start));
case EntityKeys.ChunkEndKey:
return(owner.Create(key, owner.Value <DataChunk>().End));
case EntityKeys.CountKey:
return(owner.Create(key, owner.Count.ToString(CultureInfo.InvariantCulture), owner.Count));
case EntityKeys.IncrementKey:
return(IncrementValue());
case EntityKeys.DecrementKey:
return(DecrementValue());
case EntityKeys.NegateKey:
if (bool.TryParse(owner.Value <string>(), out bool value))
{
return(owner.Create(key, (!value).ToString(CultureInfo.InvariantCulture), !value));
}
throw new ContentProviderException(key, owner);
case EntityKeys.OriginKey:
return(owner.Origin);
case EntityKeys.ThrowIfMultidimensionalKey:
if (owner.Value <string>()?.Contains(",") == true)
{
throw new MultidimensionalArrayNotSupportedException();
}
return(owner);
default:
throw new ContentProviderException(key, owner);
Entity IncrementValue()
{
string number = owner.Value <string>();
if (number != null)
{
if (int.TryParse(number, out int result))
{
result++;
return(owner.Create(key, result.ToString(CultureInfo.InvariantCulture), result));
}
}
return(owner.Create(key, number));
}
Entity DecrementValue()
{
string number = owner.Value <string>();
if (number != null)
{
if (int.TryParse(number, out int result))
{
result--;
return(owner.Create(key, result.ToString(CultureInfo.InvariantCulture), result));
}
}
return(owner.Create(key, number));
}
}
}
