public void RenameItem(IProviderContext providerContext, string path, string newName)
{
if (providerContext == null)
{
throw new ArgumentNullException(nameof(providerContext));
}
var drive = providerContext.Drive as ICloudDrive;
if (drive != null)
{
var fileSystemInfo = (FileSystemInfoContract)nodeValue.Item;
fileSystemInfo = drive.RenameItem(fileSystemInfo, newName);
if (itemMode == Mode.Directory)
{
nodeValue = new ContainerPathValue(fileSystemInfo, fileSystemInfo.Name);
return;
}
else if (itemMode == Mode.File)
{
nodeValue = new LeafPathValue(fileSystemInfo, fileSystemInfo.Name);
return;
}
}
throw new InvalidOperationException();
}
private ISymbolTable CreateRoleSymbolTable()
{
IList <IDeclaredElement> roleDeclaredElements = new List <IDeclaredElement>();
IList <string> roles = new List <string>();
ITreeNode child = FirstChild;
while (child != null)
{
var ruleDeclaration = child as IRuleDeclaration;
if (ruleDeclaration != null)
{
IExtrasDefinition extras = (ruleDeclaration).Extras;
if (extras != null)
{
ITreeNode extrasChild = extras.FirstChild;
while (extrasChild != null)
{
extrasChild = extrasChild.NextSibling;
var extraDefinition = extrasChild as IExtraDefinition;
if (extraDefinition != null)
{
IPathValue pathValue = (extraDefinition).PathValue;
if (pathValue != null)
{
ITreeNode pathElement = pathValue.FirstChild;
while (pathElement != null)
{
var element = pathElement as IPathElement;
if (element != null)
{
IRoleName roleName = (element).RoleName;
if ((roleName != null) && (!roles.Contains(roleName.GetText())))
{
roles.Add(roleName.GetText());
}
}
pathElement = pathElement.NextSibling;
}
}
}
}
}
}
child = child.NextSibling;
}
foreach (string role in roles)
{
IDeclaredElement element = new RoleDeclaredElement(this, role, GetPsiServices());
roleDeclaredElements.Add(element);
}
myRoleSymbolTable = ResolveUtil.CreateSymbolTable(roleDeclaredElements, 0);
return(myRoleSymbolTable);
}
public virtual IPathValue NewItem(IProviderContext context, string path, string itemTypeName, object newItemValue)
{
if (null == path)
{
var err = new ErrorRecord(
new ArgumentException("The new item must have a valid item name. Specify the new item name as part of the -path parameter, or specify the -name parameter.", "Path"),
"ScriptProvider.NewItem.MustHaveName",
ErrorCategory.InvalidArgument,
path);
context.WriteError(err);
return(null);
}
IPathValue node = null;
if (null == itemTypeName)
{
if (newItemValue is ScriptBlock)
{
itemTypeName = "script";
}
}
switch (itemTypeName.ToLowerInvariant())
{
case ("script"):
{
if (null == newItemValue || String.IsNullOrWhiteSpace(newItemValue.ToString()))
{
var err = new ErrorRecord(
new ArgumentException("Script items must have a value. Specify the script item value as a string or scriptblock in the -value parameter, or specify the -name parameter.", "Value"),
"ScriptProvider.NewItem.ScriptsMustHaveValue",
ErrorCategory.InvalidArgument,
path
);
context.WriteError(err);
return(null);
}
node = NewScript(path, newItemValue);
break;
}
case ("folder"):
default:
{
node = NewFolder(path);
break;
}
}
return(node);
}
//----------------------------------------------------------------------------
// Generate Path
//----------------------------------------------------------------------------
#region GeneratePath
/// <summary>
/// Generic A* pathfinding, hex distance as heuristic
/// </summary>
public MapPath GeneratePath(IHexagon hex_a, IHexagon hex_b)
{
SortedSet <IPathValue> openSet = new SortedSet <IPathValue>();
PathValueDict = new Dictionary <IHexagon, IPathValue>();
Start = hex_a;
Destination = hex_b;
IPathValue firstPath = GetPathValue(hex_a);
firstPath.SetFirstPathDistance();
openSet.Add(firstPath);
while (openSet.Count != 0)
{
IPathValue currentPath = openSet.Min;
openSet.Remove(currentPath);
IHexagon currentHex = currentPath.Hex;
if (currentHex.MyHexMap.CoOrds == hex_b.MyHexMap.CoOrds)
{
return(currentPath.ReconstructPath());
}
foreach (IHexagon neighbour in currentHex.MyHexMap.Neighbours)
{
if (!neighbour.MyHexMap.IsOccupied())
{
IPathValue neighbourPath = GetPathValue(neighbour);
int newGScore = currentPath.Score_g + neighbour.MyHexMap.MovementCost;
if (newGScore < neighbourPath.Score_g)
{
if (openSet.Contains(neighbourPath))
{
openSet.Remove(neighbourPath);
}
neighbourPath.UpdateValues(newGScore, currentPath);
openSet.Add(neighbourPath);
}
}
}
}
return(null);
}
public CloudPathNode(FileSystemInfoContract fileSystemInfo)
{
var directoryInfo = fileSystemInfo as DirectoryInfoContract;
if (directoryInfo != null) {
itemMode = Mode.Directory;
nodeValue = new ContainerPathValue(directoryInfo, directoryInfo.Name);
return;
}
var fileInfo = fileSystemInfo as FileInfoContract;
if (fileInfo != null) {
itemMode = Mode.File;
nodeValue = new LeafPathValue(fileInfo, fileInfo.Name);
return;
}
throw new InvalidOperationException();
}
//----------------------------------------------------------------------------
// Hexes in Range
//----------------------------------------------------------------------------
/// <summary>
/// This is an almost direct copy of above, but it sets the heuristic distance to
/// to the start location <para/>
///
/// So in practice it is Dijkstra's out until range
/// </summary>
public HashSet <IHexagon> GetHexesInRange(IHexagon start, int range)
{
SortedSet <IPathValue> openSet = new SortedSet <IPathValue>();
HashSet <IHexagon> hexesInRange = new HashSet <IHexagon>();
PathValueDict = new Dictionary <IHexagon, IPathValue>();
Destination = start;
Start = start;
IPathValue firstPath = GetPathValue(start);
firstPath.SetFirstPathDistance();
openSet.Add(firstPath);
while (openSet.Count != 0)
{
IPathValue currentPath = openSet.Min;
openSet.Remove(currentPath);
IHexagon currentHex = currentPath.Hex;
hexesInRange.Add(currentHex);
foreach (IHexagon neighbour in currentHex.MyHexMap.Neighbours)
{
if (!neighbour.MyHexMap.IsOccupied())
{
IPathValue neighbourPath = GetPathValue(neighbour);
int newGScore = currentPath.Score_g + neighbour.MyHexMap.MovementCost;
if (newGScore < neighbourPath.Score_g && newGScore <= range)
{
if (openSet.Contains(neighbourPath))
{
openSet.Remove(neighbourPath);
}
neighbourPath.UpdateValues(newGScore, currentPath);
openSet.Add(neighbourPath);
}
}
}
}
return(hexesInRange);
}
public CloudPathNode(FileSystemInfoContract fileSystemInfo)
{
var directoryInfo = fileSystemInfo as DirectoryInfoContract;
if (directoryInfo != null)
{
itemMode = Mode.Directory;
nodeValue = new ContainerPathValue(directoryInfo, directoryInfo.Name);
return;
}
var fileInfo = fileSystemInfo as FileInfoContract;
if (fileInfo != null)
{
itemMode = Mode.File;
nodeValue = new LeafPathValue(fileInfo, fileInfo.Name);
return;
}
throw new InvalidOperationException();
}
public IPathValue MoveItem(IProviderContext providerContext, string path, string movePath, IPathValue destinationContainer)
{
if (providerContext == null)
{
throw new ArgumentNullException(nameof(providerContext));
}
if (string.IsNullOrEmpty(path))
{
throw new ArgumentNullException(nameof(path));
}
if (destinationContainer == null)
{
throw new ArgumentNullException(nameof(destinationContainer));
}
var drive = providerContext.Drive as ICloudDrive;
if (drive != null)
{
var moveItem = new CloudPathNode(drive.MoveItem((FileSystemInfoContract)nodeValue.Item, movePath, (DirectoryInfoContract)destinationContainer.Item));
var destinationContainerNode = providerContext.ResolvePath(((DirectoryInfoContract)destinationContainer.Item).Id.Value) as CloudPathNode;
destinationContainerNode.children.Add(moveItem);
moveItem.SetParent(destinationContainerNode);
parent.children.Remove(this);
SetParent(null);
return(moveItem.nodeValue);
}
throw new InvalidOperationException();
}
/// <summary>
/// If a shorter path to a hex is found <para/>
/// You should update the path to it (previous), and the new cost to this node (score_g)
/// </summary>
/// <param name="score_g"></param>
/// <param name="previous"></param>
public void UpdateValues(int score_g, IPathValue previous)
{
Score_g = score_g;
Previous = (PathValue)previous;
}
public void RenameItem(IProviderContext providerContext, string path, string newName)
{
if (providerContext == null)
throw new ArgumentNullException(nameof(providerContext));
var drive = providerContext.Drive as ICloudDrive;
if (drive != null) {
var fileSystemInfo = (FileSystemInfoContract)nodeValue.Item;
fileSystemInfo = drive.RenameItem(fileSystemInfo, newName);
if (itemMode == Mode.Directory) {
nodeValue = new ContainerPathValue(fileSystemInfo, fileSystemInfo.Name);
return;
} else if (itemMode == Mode.File) {
nodeValue = new LeafPathValue(fileSystemInfo, fileSystemInfo.Name);
return;
}
}
throw new InvalidOperationException();
}
public IPathValue MoveItem(IProviderContext providerContext, string path, string movePath, IPathValue destinationContainer)
{
if (providerContext == null)
throw new ArgumentNullException(nameof(providerContext));
if (string.IsNullOrEmpty(path))
throw new ArgumentNullException(nameof(path));
if (destinationContainer == null)
throw new ArgumentNullException(nameof(destinationContainer));
var drive = providerContext.Drive as ICloudDrive;
if (drive != null) {
var moveItem = new CloudPathNode(drive.MoveItem((FileSystemInfoContract)nodeValue.Item, movePath, (DirectoryInfoContract)destinationContainer.Item));
var destinationContainerNode = providerContext.ResolvePath(((DirectoryInfoContract)destinationContainer.Item).Id.Value) as CloudPathNode;
destinationContainerNode.children.Add(moveItem);
moveItem.SetParent(destinationContainerNode);
parent.children.Remove(this);
SetParent(null);
return moveItem.nodeValue;
}
throw new InvalidOperationException();
}