///<summary>
/// Returns all the objects defined in the file, serialized to type T.
///</summary>
/*public IEnumerable<T> GetObjects<T>() where T : new()
* {
* if( _docNode == null )
* throw new Exception("TydFile has no document node: " + FileName);
*
* foreach (var n in TydHelper.TydToObject.GetObjects<T>(_docNode,_filePath))
* {
* yield return n;
* }
* }*/
/// <summary>
/// Returns the single object defined by the file, deserialized as type T.
/// </summary>
/*public T GetObject<T>( bool resolveCrossRefs = false ) where T : new()
* {
* if( _docNode == null )
* throw new Exception("TydFile has no document node: " + FileName);
*
* if( _docNode.Count == 0 )
* throw new Exception("TydFile contains a document node but no data: " + FileName );
*
* return TydHelper.TydToObject.GetObject<T>(_docNode, resolveCrossRefs, _filePath );
* }*/
///<summary>
/// Write to a file, overwriting any file present.
/// If a path is provided, the file's path is changed to that new path before saving. Otherwise, the current path is used.
///</summary>
public void Save(string path = null)
{
if (path != null)
{
_filePath = path;
}
else if (_filePath == null)
{
throw new InvalidOperationException("Saved TydFile which had null path");
}
//Build the text we're going to write
var tydText = new StringBuilder();
foreach (var node in _docNode)
{
tydText.AppendLine(TydToText.Write(node, true));
}
//Write to the file
File.WriteAllText(_filePath, tydText.ToString().TrimEnd());
}
///<summary>
/// Copies all child nodes from source into heir, recursively.
/// -If a node appears only in source or only in heir, it is included.
/// -If a list appears in both source and heir, source's entries are appended to heir's entries.
/// -If a non-list node appears in both source and heir, heir's node is overwritten.
///</summary>
private static void ApplyInheritance(TydNode source, TydNode heir)
{
try
{
//They're either strings or nulls: We just keep the existing heir's value
if (source is TydString)
{
return;
}
//Heir has noinherit attribute: Skip this inheritance
{
TydCollection heirCol = heir as TydCollection;
if (heirCol != null && heirCol.AttributeNoInherit)
{
return;
}
}
//They're tables: Combine all children of source and heir. Unique-name source nodes are prepended
{
TydTable sourceObj = source as TydTable;
if (sourceObj != null)
{
TydTable heirTable = (TydTable)heir;
for (int i = 0; i < sourceObj.Count; i++)
{
var sourceChild = sourceObj[i];
var heirMatchingChild = heirTable[sourceChild.Name];
if (heirMatchingChild != null)
{
ApplyInheritance(sourceChild, heirMatchingChild);
}
else
{
heirTable.InsertChild(sourceChild, 0); //Does this need to be DeepClone?
}
}
return;
}
}
//They're lists: Prepend source's children before heir's children
{
TydList sourceList = source as TydList;
if (sourceList != null)
{
TydList heirList = (TydList)heir;
for (int i = 0; i < sourceList.Count; i++)
{
//Insert at i so the nodes stay in the same order from source to heir
heirList.InsertChild(sourceList[i], i); //Does this need to be DeepClone?
}
return;
}
}
}
catch (Exception e)
{
throw new Exception("ApplyInheritance exception: " + e + ".\nsource: (" + source + ")\n" + TydToText.Write(source) + "\ntarget: (" + heir + ")\n" + TydToText.Write(heir));
}
}
///<summary>
/// Copies all child nodes from source into heir, recursively.
/// -If a node appears only in source or only in heir, it is included.
/// -If a list appears in both source and heir, source's entries are appended to heir's entries.
/// -If a non-list node appears in both source and heir, heir's node is overwritten.
///</summary>
private static void ApplyInheritance(TydNode source, TydNode heir)
{
try
{
//They're strings: Copy source over heir
{
TydString sourceStr = source as TydString;
if (sourceStr != null)
{
TydString heirStr = heir as TydString;
heirStr.Value = sourceStr.Value;
return;
}
}
//They're tables: Combine all children of source and heir, with source having priority in case of duplicates
{
TydTable sourceObj = source as TydTable;
if (sourceObj != null)
{
TydTable heirObj = (TydTable)heir;
for (int i = 0; i < sourceObj.Count; i++)
{
var sourceChild = sourceObj[i];
var heirMatchingChild = heirObj[sourceChild.Name];
if (heirMatchingChild != null)
{
ApplyInheritance(sourceChild, heirMatchingChild);
}
else
{
heirObj.AddChild(sourceChild); //Does this need to be DeepClone?
}
}
return;
}
}
//They're lists: Append source's entries to heir's entries
{
TydList sourceList = source as TydList;
if (sourceList != null)
{
TydList heirList = (TydList)heir;
for (int i = 0; i < sourceList.Count; i++)
{
heirList.AddChild(sourceList[i]); //Does this need to be DeepClone?
}
return;
}
}
}
catch (Exception e)
{
throw new Exception("ApplyInheritance exception: " + e + ".\nsource: (" + source + ")\n" + TydToText.Write(source) + "\ntarget: (" + heir + ")\n" + TydToText.Write(heir));
}
}
