104 lines
3.9 KiB
C#
104 lines
3.9 KiB
C#
// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
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using System;
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using FlaxEditor.Scripting;
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using FlaxEngine;
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using FlaxEngine.Json;
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namespace FlaxEditor.Utilities
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{
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/// <summary>
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/// This structure represents the comparison of one member of an object to the corresponding member of another object.
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/// </summary>
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[Serializable, HideInEditor]
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public struct MemberComparison
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{
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/// <summary>
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/// Members path this Comparison compares.
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/// </summary>
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public MemberInfoPath MemberPath;
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/// <summary>
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/// The value of first object respective member
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/// </summary>
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public readonly object Value1;
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/// <summary>
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/// The value of second object respective member
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/// </summary>
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public readonly object Value2;
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/// <summary>
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/// Initializes a new instance of the <see cref="MemberComparison"/> struct.
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/// </summary>
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/// <param name="member">The member.</param>
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/// <param name="value1">The first value.</param>
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/// <param name="value2">The second value.</param>
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public MemberComparison(ScriptMemberInfo member, object value1, object value2)
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{
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MemberPath = new MemberInfoPath(member);
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Value1 = value1;
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Value2 = value2;
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="MemberComparison"/> struct.
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/// </summary>
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/// <param name="memberPath">The member path.</param>
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/// <param name="value1">The first value.</param>
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/// <param name="value2">The second value.</param>
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public MemberComparison(MemberInfoPath memberPath, object value1, object value2)
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{
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MemberPath = memberPath;
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Value1 = value1;
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Value2 = value2;
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}
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/// <summary>
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/// Sets the member value. Handles field or property type.
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/// </summary>
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/// <param name="instance">The instance.</param>
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/// <param name="value">The value.</param>
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public void SetMemberValue(object instance, object value)
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{
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var finalMember = MemberPath.GetLastMember(ref instance);
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var type = finalMember.Type;
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if (value != null && type != ScriptType.Null && type != value.GetType())
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{
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// Convert value to ensure it matches the member type (eg. undo that uses json serializer might return different value type for some cases)
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if (type.IsEnum)
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value = Convert.ChangeType(value, Enum.GetUnderlyingType(type.Type));
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else if (type.Type == typeof(byte))
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value = Convert.ToByte(value);
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else if (type.Type == typeof(sbyte))
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value = Convert.ToSByte(value);
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else if (type.Type == typeof(short))
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value = Convert.ToInt16(value);
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else if (type.Type == typeof(int))
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value = Convert.ToInt32(value);
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else if (type.Type == typeof(long))
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value = Convert.ToInt64(value);
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else if (type.Type == typeof(int))
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value = Convert.ToUInt16(value);
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else if (type.Type == typeof(uint))
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value = Convert.ToUInt32(value);
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else if (type.Type == typeof(ulong))
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value = Convert.ToUInt64(value);
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else if (type.Type == typeof(float))
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value = Convert.ToSingle(value);
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else if (type.Type == typeof(double))
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value = Convert.ToDouble(value);
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}
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finalMember.SetValue(instance, value);
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}
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/// <inheritdoc />
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public override string ToString()
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{
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return MemberPath.Path + ": " + (Value1 ?? "<null>") + (JsonSerializer.ValueEquals(Value1, Value2) ? " == " : " != ") + (Value2 ?? "<null>");
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}
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}
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}
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