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Array and list support for VKV.

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This commit is contained in:
That_One_Nerd 2023-05-10 12:50:30 -04:00
parent ab0453e0ab
commit c1a90cfc99
1 changed files with 117 additions and 72 deletions
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65
SrcMod/Valve.NET/Vkv/VkvConvert.cs
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@ -1,4 +1,5 @@
using Valve.Vkv.ObjectModels;
using System;
using Valve.Vkv.ObjectModels;
using ValveParsers = Valve.Miscellaneous.TypeParsers;
@ -45,7 +46,7 @@ public static class VkvConvert
name = DeserializeString(parts[0], options);
if (parts.Length == 2)
{
object value = DeserializeObject(DeserializeString(parts[1], options));
string value = DeserializeString(parts[1], options);
node = new VkvSingleNode(value);
}
else
@ -69,8 +70,6 @@ public static class VkvConvert
return node;
}
private static object DeserializeObject(string content) =>
ValveParsers.ParseAll(content);
private static string DeserializeString(string content, VkvOptions options)
{
if (options.useQuotes)
@ -120,9 +119,14 @@ public static class VkvConvert
{
if (node is null) return null;
if (node is VkvSingleNode single)
if (node is VkvSingleNode single) return FromSingleNode(outputType, single);
else if (node is VkvTreeNode tree) return FromTreeNode(outputType, tree, options);
else throw new VkvSerializationException("Unknown VKV node type.");
}
private static object? FromSingleNode(Type outputType, VkvSingleNode node)
{
object? value = single.value;
object? value = node.value;
if (value is null) return null;
else if (value is string str)
{
@ -135,8 +139,15 @@ public static class VkvConvert
}
return Convert.ChangeType(value, outputType);
}
else if (node is VkvTreeNode tree)
private static object? FromTreeNode(Type outputType, VkvTreeNode node, VkvOptions options)
{
if (outputType.IsArray)
return FromTreeNodeArray(outputType, node, options);
else if (outputType.GetInterface("IList") is not null)
return FromTreeNodeList(outputType, node, options);
object? instance = Activator.CreateInstance(outputType);
if (instance is null) return null;
@ -167,7 +178,7 @@ public static class VkvConvert
{
string name = field.Name;
VkvNode? subNode = tree[name];
VkvNode? subNode = node[name];
if (subNode is null) continue;
object? result = FromNodeTree(field.FieldType, subNode, options);
@ -178,7 +189,7 @@ public static class VkvConvert
{
string name = prop.Name;
VkvNode? subNode = tree[name];
VkvNode? subNode = node[name];
if (subNode is null) continue;
object? result = FromNodeTree(prop.PropertyType, subNode, options);
@ -188,7 +199,41 @@ public static class VkvConvert
return instance;
}
else throw new VkvSerializationException("Unknown VKV node type.");
private static object? FromTreeNodeArray(Type outputType, VkvTreeNode node, VkvOptions options)
{
Type elementType = outputType.GetElementType()!;
Array array = Array.CreateInstance(elementType, node.SubNodeCount);
int index = 0;
foreach (KeyValuePair<string, VkvNode?> subNode in node)
{
string indexStr = index.ToString();
if (subNode.Key != indexStr) throw new VkvSerializationException($"Cannot convert node tree to array.");
array.SetValue(FromNodeTree(elementType, subNode.Value, options), index);
index++;
}
return array;
}
private static object? FromTreeNodeList(Type outputType, VkvTreeNode node, VkvOptions options)
{
IList? instance = (IList?)Activator.CreateInstance(outputType);
if (instance is null) return null;
// There is no guarentee that the first type argument corresponds to the element type,
// but as far as I know there isn't a better way.
Type elementType = outputType.IsGenericType ? outputType.GetGenericArguments().First() : typeof(object);
int index = 0;
foreach (KeyValuePair<string, VkvNode?> subNode in node)
{
string indexStr = index.ToString();
if (subNode.Key != indexStr) throw new VkvSerializationException($"Cannot convert node tree to array.");
instance.Add(FromNodeTree(elementType, subNode.Value, options));
index++;
}
return instance;
}
#endregion