using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Globalization;
using System.IO;
using System.Linq;
namespace PKHeX.Core
{
///
/// Provides reflection utility for manipulating blocks, providing block names and value wrapping.
///
public class SCBlockMetadata
{
private readonly Dictionary BlockList;
private readonly Dictionary ValueList;
private readonly SCBlockAccessor Accessor;
public SCBlockMetadata(SCBlockAccessor accessor)
{
var aType = accessor.GetType();
BlockList = aType.GetAllPropertiesOfType(accessor);
ValueList = aType.GetAllConstantsOfType();
AddExtraKeyNames(ValueList);
Accessor = accessor;
}
public IEnumerable GetSortedBlockKeyList()
{
var list = Accessor.BlockInfo
.Select((z, i) => new ComboItem(GetBlockHint(z, i), (int)z.Key))
.OrderBy(z => !z.Text.StartsWith("*"))
.ThenBy(z => GetSortKey(z));
return list;
}
public static void AddExtraKeyNames(IDictionary names, string extra = "SCBlocks.txt")
{
if (!File.Exists(extra))
return;
var lines = File.ReadLines(extra);
foreach (var line in lines)
{
var split = line.IndexOf('\t');
if (split < 0)
continue;
var hex = line.Substring(0, split);
if (!ulong.TryParse(hex, NumberStyles.HexNumber, CultureInfo.CurrentCulture, out var value))
continue;
var name = line.Substring(split + 1);
if (!names.ContainsKey((uint)value))
names[(uint)value] = name;
}
}
private static string GetSortKey(in ComboItem item)
{
var text = item.Text;
if (text.StartsWith("*"))
return text;
// key:X8, " - ", "####", " ", type
return text.Substring(8 + 3 + 4 + 1);
}
private string GetBlockHint(SCBlock z, int i)
{
var blockName = GetBlockName(z, out _);
var isBool = z.Type.IsBoolean();
var type = (isBool ? "Bool" : z.Type.ToString());
if (blockName != null)
return $"*{type} {blockName}";
var result = $"{z.Key:X8} - {i:0000} {type}";
if (z.Type == SCTypeCode.Object || z.Type == SCTypeCode.Array)
result += $" 0x{z.Data.Length:X3}";
else if (!isBool)
result += $" {z.GetValue()}";
return result;
}
public string? GetBlockName(SCBlock block, out SaveBlock? saveBlock)
{
// See if we have a Block object for this block
var obj = BlockList.FirstOrDefault(z => ReferenceEquals(z.Key.Data, block.Data));
if (obj.Key != null)
{
saveBlock = obj.Key;
return obj.Value;
}
// See if it's a single-value declaration
if (ValueList.TryGetValue(block.Key, out var blockName))
{
saveBlock = null;
return blockName;
}
saveBlock = null;
return null;
}
///
/// Returns an object that wraps the block with a Value property to get/set via a PropertyGrid/etc control.
///
/// Returns null if no wrapping is supported.
public static object? GetEditableBlockObject(SCBlock block)
{
return block.Type switch
{
SCTypeCode.Byte => new WrappedValueView(block, block.GetValue()),
SCTypeCode.UInt16 => new WrappedValueView(block, block.GetValue()),
SCTypeCode.UInt32 => new WrappedValueView(block, block.GetValue()),
SCTypeCode.UInt64 => new WrappedValueView(block, block.GetValue()),
SCTypeCode.SByte => new WrappedValueView(block, block.GetValue()),
SCTypeCode.Int16 => new WrappedValueView(block, block.GetValue()),
SCTypeCode.Int32 => new WrappedValueView(block, block.GetValue()),
SCTypeCode.Int64 => new WrappedValueView(block, block.GetValue()),
SCTypeCode.Single => new WrappedValueView(block, block.GetValue()),
SCTypeCode.Double => new WrappedValueView(block, block.GetValue()),
_ => null,
};
}
private class WrappedValueView where T : struct
{
private readonly SCBlock Parent;
private T _value;
[Description("Stored Value for this Block")]
public T Value
{
get => _value;
set => Parent.SetValue(_value = value);
}
[Description("Type of Value this Block stores")]
public string ValueType => typeof(T).Name;
public WrappedValueView(SCBlock block, object currentValue)
{
Parent = block;
_value = (T)Convert.ChangeType(currentValue, typeof(T));
}
}
}
}