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66 lines
3.1 KiB
66 lines
3.1 KiB
using IPA.Config.Data;
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using System;
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namespace IPA.Config.Stores
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{
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/// <summary>
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/// The base interface for a value converter for use by objects generated by
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/// <see cref="GeneratedExtension.Generated{T}(Config, bool)"/>.
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/// </summary>
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/// <remarks>
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/// The object returned from <see cref="FromValue(Value, object)"/>, if fed into <see cref="ToValue(object, object)"/>,
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/// should return equivalent <see cref="Value"/> structures. Similarly, if the result of <see cref="ToValue(object, object)"/>
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/// is fed into <see cref="FromValue(Value, object)"/>, the resulting object should be equivalent to the one passed to
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/// <see cref="ToValue(object, object)"/>.
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/// </remarks>
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public interface IValueConverter
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{
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/// <summary>
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/// Converts the given object to a <see cref="Value"/>.
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/// </summary>
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/// <param name="obj">the object to convert</param>
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/// <param name="parent">the owning object of <paramref name="obj"/></param>
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/// <returns>a representation of <paramref name="obj"/> as a <see cref="Value"/> structure</returns>
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Value ToValue(object obj, object parent);
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/// <summary>
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/// Converts the given <see cref="Value"/> to the object type handled by this converter.
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/// </summary>
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/// <param name="value">the <see cref="Value"/> to deserialize</param>
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/// <param name="parent">the object that will own the result</param>
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/// <returns>the deserialized object</returns>
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object FromValue(Value value, object parent);
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/// <summary>
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/// Gets the type that this <see cref="IValueConverter"/> handles.
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/// </summary>
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Type Type { get; }
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}
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/// <summary>
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/// A strongly-typed <see cref="IValueConverter"/>.
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/// </summary>
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/// <typeparam name="T">the type of object to handle</typeparam>
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/// <seealso cref="IValueConverter"/>
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public abstract class ValueConverter<T> : IValueConverter
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{
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/// <summary>
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/// Converts the given object to a <see cref="Value"/>.
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/// </summary>
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/// <param name="obj">the object to convert</param>
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/// <param name="parent">the owning object of <paramref name="obj"/></param>
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/// <returns>a representation of <paramref name="obj"/> as a <see cref="Value"/> structure</returns>
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/// <seealso cref="IValueConverter.ToValue"/>
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public abstract Value ToValue(T obj, object parent);
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/// <summary>
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/// Converts the given <see cref="Value"/> to the object type handled by this converter.
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/// </summary>
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/// <param name="value">the <see cref="Value"/> to deserialize</param>
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/// <param name="parent">the object that will own the result</param>
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/// <returns>the deserialized object</returns>
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/// <seealso cref="IValueConverter.FromValue"/>
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public abstract T FromValue(Value value, object parent);
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Value IValueConverter.ToValue(object obj, object parent) => ToValue((T)obj, parent);
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object IValueConverter.FromValue(Value value, object parent) => FromValue(value, parent);
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Type IValueConverter.Type => typeof(T);
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}
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}
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