internal static void SetNodeData(Node node, object data, Type type, FileStyle style)
{
if (data == null)
{
throw new Exception("you can't serialize null");
}
// ensure the type is initialized. This is especially important if it's added as
// a base type in the type's static constructor.
System.Runtime.CompilerServices.RuntimeHelpers.RunClassConstructor(type.TypeHandle);
string dataAsString = data as string;
if (type == typeof(string) && (dataAsString.ContainsNewLine() || node.ChildNodes.Count > 0))
{
BaseTypes.SetStringSpecialCase(node, dataAsString, style);
}
else if (BaseTypes.IsBaseType(type))
{
BaseTypes.SetBaseTypeNode(node, data, type, style);
}
else if (CollectionTypes.TrySetCollection(node, data, type, style))
{
return;
}
else
{
ComplexTypes.SetComplexNode(node, data, type, style);
}
}
internal static object GetNodeData(Node node, Type type)
{
System.Runtime.CompilerServices.RuntimeHelpers.RunClassConstructor(type.TypeHandle);
try
{
if (type == typeof(string) && node.Value == MultiLineStringNode.Terminator && node.ChildLines.Count > 0)
{
return(BaseTypes.ParseSpecialStringCase(node));
}
if (BaseTypes.IsBaseType(type))
{
return(BaseTypes.ParseBaseType(node.Value, type));
}
var collection = CollectionTypes.TryGetCollection(node, type);
if (collection != null)
{
return(collection);
}
if (!String.IsNullOrEmpty(node.Value))
{
return(ComplexTypeShortcuts.GetFromShortcut(node.Value, type));
}
return(ComplexTypes.RetrieveComplexType(node, type));
}
catch (Exception e)
{
throw new Exception($"Error getting data of type {type} from node: {e.InnerException}");
}
}
private static Dictionary <TKey, TValue> RetrieveDictionaryGeneric <TKey, TValue>(Node node)
{
bool keyIsBase = BaseTypes.IsBaseType(typeof(TKey));
var dictionary = new Dictionary <TKey, TValue>(capacity: node.ChildNodes.Count);
if (keyIsBase && node.ChildNodeType == NodeChildrenType.key)
{
foreach (var child in node.ChildNodes)
{
string childKey = (child as KeyNode).Key;
var key = BaseTypes.ParseBaseType <TKey>(childKey);
var value = NodeManager.GetNodeData <TValue>(child);
dictionary.Add(key, value);
}
}
else
{
var array = NodeManager.GetNodeData <WritableKeyValuePair <TKey, TValue>[]>(node);
foreach (var kvp in array)
{
dictionary.Add(kvp.key, kvp.value);
}
}
return(dictionary);
}
private static void SetDictionaryNodeGeneric <TKey, TValue>(Node node, Dictionary <TKey, TValue> dictionary, FileStyle style, bool forceArrayMode = false)
{
bool keyIsBase = BaseTypes.IsBaseType(typeof(TKey));
if (keyIsBase && !forceArrayMode && !style.AlwaysArrayDictionaries)
{
// we might have switched between standard and array dictionary storage, and if so, children need to be reset
if (node.ChildNodeType != NodeChildrenType.key)
{
node.ClearChildren(newChildrenType: NodeChildrenType.key);
}
var CurrentKeys = new List <string>(capacity: dictionary.Count);
foreach (var key in dictionary.Keys)
{
var value = dictionary[key];
string keyAsText = BaseTypes.SerializeBaseType <TKey>(key, style);
if (!Utilities.IsValidKey(keyAsText))
{
SetDictionaryNodeGeneric(node, dictionary, style, forceArrayMode: true);
return;
}
CurrentKeys.Add(keyAsText);
KeyNode child = node.GetChildAddressedByName(keyAsText);
NodeManager.SetNodeData <TValue>(child, value, style);
}
// make sure that old data in the file is deleted when a new dictionary is saved.
// node.ClearChildren() is not used because we want to keep comments and whitespace intact as much as possible.
foreach (var key in node.GetChildKeys())
{
if (!CurrentKeys.Contains(key))
{
node.RemoveChild(key);
}
}
}
else // save dictionary as KeyValuePair<TKey, TValue>[]
{
// we might have switched between standard and array dictionary storage, and if so, children need to be reset
if (node.ChildNodeType != NodeChildrenType.list)
{
node.ClearChildren(newChildrenType: NodeChildrenType.list);
}
var array = GetWritableKeyValuePairArray(dictionary);
NodeManager.SetNodeData(node, array, array.GetType(), style);
}
}
internal static void SetNodeData(Node node, object data, Type type, FileStyle style)
{
if (data == null)
{
node.ClearChildren();
node.Value = Utilities.NullIndicator;
return;
}
else if (node.Value == Utilities.NullIndicator)
{
node.Value = String.Empty;
}
// ensure the type is initialized. This is especially important if it's added as
// a base type in the type's static constructor.
System.Runtime.CompilerServices.RuntimeHelpers.RunClassConstructor(type.TypeHandle);
// If we try to save a single-line string and find it is currently saved as a multi-line string, we do NOT remove the mutli-line formatting.
// The reason for this is that there might be comments on the """s, and we want to preserve those comments.
// Also, this happens in only two cases:
// 1. A string that is usually single-line is manually switched to multi-line formatting by a user
// 2. A string is saved as multi-line, then later saved as single-line
// In case 1, we don't want to piss off the user; keep it how they like it.
// In case 2, the string is probably going to be saved again later with multiple lines. It doesn't seem necessary to disrupt the structure
// of the file for something temporary.
string dataAsString = data as string;
if (type == typeof(string) && (dataAsString.ContainsNewLine() || node.ChildNodes.Count > 0))
{
BaseTypes.SetStringSpecialCase(node, dataAsString, style);
}
else if (BaseTypes.IsBaseType(type))
{
BaseTypes.SetBaseTypeNode(node, data, type, style);
}
else if (CollectionTypes.TrySetCollection(node, data, type, style))
{
return;
}
else
{
ComplexTypes.SetComplexNode(node, data, type, style);
}
}
/// <summary> Save this file as a dictionary, using the dictionary's keys as top-level keys in the file. </summary>
/// <remarks> TKey must be a Base Type </remarks>
public void SaveAsDictionary <TKey, TValue>(IDictionary <TKey, TValue> dictionary)
{
if (!BaseTypes.IsBaseType(typeof(TKey)))
{
throw new Exception("When using GetAsDictionary, TKey must be a base type");
}
bool _autosave = AutoSave;
AutoSave = false; // don't write to disk when we don't have to
try
{
var CurrentKeys = new List <string>(capacity: dictionary.Count);
foreach (var key in dictionary.Keys)
{
var keyText = BaseTypes.SerializeBaseType(key, Style);
if (!Utilities.IsValidKey(keyText, out string whyNot))
{
throw new Exception($"can't save file as this dictionary. A key ({keyText}) is not valid: {whyNot}");
}
CurrentKeys.Add(keyText);
Set(keyText, dictionary[key]);
}
// make sure that old data in the file is deleted when a new dictionary is saved.
foreach (var key in this.TopLevelKeys)
{
if (!CurrentKeys.Contains(key))
{
this.TopLevelNodes.Remove(key);
}
}
}
finally
{
AutoSave = _autosave;
}
if (AutoSave)
{
SaveAllData();
}
}
/// <summary> Interpret this file as a dictionary. Top-level keys in the file are interpreted as keys in the dictionary. </summary>
/// <remarks> TKey must be a Base Type </remarks>
public Dictionary <TKey, TValue> GetAsDictionary <TKey, TValue>()
{
if (!BaseTypes.IsBaseType(typeof(TKey)))
{
throw new Exception("When using GetAsDictionary, TKey must be a base type");
}
var keys = this.TopLevelKeys;
var dictionary = new Dictionary <TKey, TValue>(capacity: keys.Count);
foreach (var keyText in keys)
{
TKey key = BaseTypes.ParseBaseType <TKey>(keyText);
TValue value = NodeManager.GetNodeData <TValue>(TopLevelNodes[keyText]);
dictionary.Add(key, value);
}
return(dictionary);
}
