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using System;
using System.Linq;
using Newtonsoft.Json;
namespace StardewModdingAPI.Framework.Models
{
/// <summary>Uniquely identifies a mod in SMAPI's internal data.</summary>
/// <remarks>
/// This represents a custom format which uniquely identifies a mod across all versions, even
/// if its field values change or it doesn't specify a unique ID. This is mapped to a string
/// with the following format:
///
/// 1. If the mod's identifier changed over time, multiple variants can be separated by the <c>|</c>
/// character.
/// 2. Each variant can take one of two forms:
/// - A simple string matching the mod's UniqueID value.
/// - A JSON structure containing any of three manifest fields (ID, Name, and Author) to match.
/// </remarks>
internal class ModDataID
{
/*********
** Properties
*********/
/// <summary>The unique sets of field values which identify this mod.</summary>
private readonly FieldSnapshot[] Snapshots;
/*********
** Public methods
*********/
/// <summary>Construct an instance.</summary>
public ModDataID() { }
/// <summary>Construct an instance.</summary>
/// <param name="data">The mod identifier string (see remarks on <see cref="ModDataID"/>).</param>
public ModDataID(string data)
{
this.Snapshots =
(
from string part in data.Split('|')
let str = part.Trim()
select str.StartsWith("{")
? JsonConvert.DeserializeObject<FieldSnapshot>(str)
: new FieldSnapshot { ID = str }
)
.ToArray();
}
/// <summary>Get whether this ID matches a given mod manifest.</summary>
/// <param name="id">The mod's unique ID, or a substitute ID if it isn't set in the manifest.</param>
/// <param name="manifest">The manifest to check.</param>
public bool Matches(string id, IManifest manifest)
{
return this.Snapshots.Any(snapshot =>
snapshot.ID.Equals(id, StringComparison.InvariantCultureIgnoreCase)
&& (
snapshot.Author == null
|| snapshot.Author.Equals(manifest.Author, StringComparison.InvariantCultureIgnoreCase)
|| (manifest.ExtraFields.ContainsKey("Authour") && snapshot.Author.Equals(manifest.ExtraFields["Authour"].ToString(), StringComparison.InvariantCultureIgnoreCase))
)
&& (snapshot.Name == null || snapshot.Name.Equals(manifest.Name, StringComparison.InvariantCultureIgnoreCase))
);
}
/*********
** Private models
*********/
/// <summary>A unique set of fields which identifies the mod.</summary>
private class FieldSnapshot
{
/*********
** Accessors
*********/
/// <summary>The unique mod ID.</summary>
public string ID { get; set; }
/// <summary>The mod name, or <c>null</c> to ignore the mod name.</summary>
public string Name { get; set; }
/// <summary>The author name, or <c>null</c> to ignore the author.</summary>
public string Author { get; set; }
}
}
}
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