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using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
namespace StardewModdingAPI.Toolkit.Framework.ModData
{
/// <summary>The raw mod metadata from SMAPI's internal mod list.</summary>
internal class ModDataModel
{
/*********
** Accessors
*********/
/// <summary>The mod's current unique ID.</summary>
public string ID { get; set; }
/// <summary>The former mod IDs (if any).</summary>
/// <remarks>
/// This uses a custom format which uniquely identifies a mod across multiple versions and
/// supports matching other fields if no ID was specified. This doesn't include the latest
/// ID, if any. Format rules:
/// 1. If the mod's ID 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 four manifest fields (ID, Name, Author, and
/// EntryDll) to match.
/// </remarks>
public string FormerIDs { get; set; }
/// <summary>Maps local versions to a semantic version for update checks.</summary>
public IDictionary<string, string> MapLocalVersions { get; set; } = new Dictionary<string, string>();
/// <summary>Maps remote versions to a semantic version for update checks.</summary>
public IDictionary<string, string> MapRemoteVersions { get; set; } = new Dictionary<string, string>();
/// <summary>This field stores properties that aren't mapped to another field before they're parsed into <see cref="Fields"/>.</summary>
[JsonExtensionData]
public IDictionary<string, JToken> ExtensionData { get; set; }
/// <summary>The versioned field data.</summary>
/// <remarks>
/// This maps field names to values. This should be accessed via <see cref="GetFields"/>.
/// Format notes:
/// - Each key consists of a field name prefixed with any combination of version range
/// and <c>Default</c>, separated by pipes (whitespace trimmed). For example, <c>Name</c>
/// will always override the name, <c>Default | Name</c> will only override a blank
/// name, and <c>~1.1 | Default | Name</c> will override blank names up to version 1.1.
/// - The version format is <c>min~max</c> (where either side can be blank for unbounded), or
/// a single version number.
/// - The field name itself corresponds to a <see cref="ModDataFieldKey"/> value.
/// </remarks>
public IDictionary<string, string> Fields { get; set; } = new Dictionary<string, string>();
/*********
** Public methods
*********/
/// <summary>Get a parsed representation of the <see cref="Fields"/>.</summary>
public IEnumerable<ModDataField> GetFields()
{
foreach (KeyValuePair<string, string> pair in this.Fields)
{
// init fields
string packedKey = pair.Key;
string value = pair.Value;
bool isDefault = false;
ISemanticVersion lowerVersion = null;
ISemanticVersion upperVersion = null;
// parse
string[] parts = packedKey.Split('|').Select(p => p.Trim()).ToArray();
ModDataFieldKey fieldKey = (ModDataFieldKey)Enum.Parse(typeof(ModDataFieldKey), parts.Last(), ignoreCase: true);
foreach (string part in parts.Take(parts.Length - 1))
{
// 'default'
if (part.Equals("Default", StringComparison.InvariantCultureIgnoreCase))
{
isDefault = true;
continue;
}
// version range
if (part.Contains("~"))
{
string[] versionParts = part.Split(new[] { '~' }, 2);
lowerVersion = versionParts[0] != "" ? new SemanticVersion(versionParts[0]) : null;
upperVersion = versionParts[1] != "" ? new SemanticVersion(versionParts[1]) : null;
continue;
}
// single version
lowerVersion = new SemanticVersion(part);
upperVersion = new SemanticVersion(part);
}
yield return new ModDataField(fieldKey, value, isDefault, lowerVersion, upperVersion);
}
}
/// <summary>Get the former mod IDs.</summary>
public IEnumerable<string> GetFormerIDs()
{
if (this.FormerIDs != null)
{
foreach (string id in this.FormerIDs.Split('|'))
yield return id.Trim();
}
}
/*********
** Private methods
*********/
/// <summary>The method invoked after JSON deserialisation.</summary>
/// <param name="context">The deserialisation context.</param>
[OnDeserialized]
private void OnDeserialized(StreamingContext context)
{
if (this.ExtensionData != null)
{
this.Fields = this.ExtensionData.ToDictionary(p => p.Key, p => p.Value.ToString());
this.ExtensionData = null;
}
}
}
}
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