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using System;
using System.Collections.Generic;
namespace StardewModdingAPI.Framework
{
/// <summary>An implementation of <see cref="ISemanticVersion"/> that correctly handles the non-semantic versions used by older Stardew Valley releases.</summary>
internal class GameVersion : SemanticVersion
{
/*********
** Private methods
*********/
/// <summary>A mapping of game to semantic versions.</summary>
private static readonly IDictionary<string, string> VersionMap = new Dictionary<string, string>(StringComparer.InvariantCultureIgnoreCase)
{
["1.01"] = "1.0.1",
["1.02"] = "1.0.2",
["1.03"] = "1.0.3",
["1.04"] = "1.0.4",
["1.05"] = "1.0.5",
["1.051"] = "1.0.6-prerelease1", // not a very good mapping, but good enough for SMAPI's purposes.
["1.051b"] = "1.0.6-prelease2",
["1.06"] = "1.0.6",
["1.07"] = "1.0.7",
["1.07a"] = "1.0.8-prerelease1",
["1.08"] = "1.0.8",
["1.11"] = "1.1.1"
};
/*********
** Public methods
*********/
/// <summary>Construct an instance.</summary>
/// <param name="version">The game version string.</param>
public GameVersion(string version)
: base(GameVersion.GetSemanticVersionString(version)) { }
/// <summary>Get a string representation of the version.</summary>
public override string ToString()
{
return GameVersion.GetGameVersionString(base.ToString());
}
/*********
** Private methods
*********/
/// <summary>Convert a game version string to a semantic version string.</summary>
/// <param name="gameVersion">The game version string.</param>
private static string GetSemanticVersionString(string gameVersion)
{
if (gameVersion.StartsWith("1.3.0."))
return new SemanticVersion(1, 3, 0, "alpha." + gameVersion.Substring("1.3.0.".Length)).ToString();
return GameVersion.VersionMap.TryGetValue(gameVersion, out string semanticVersion)
? semanticVersion
: gameVersion;
}
/// <summary>Convert a semantic version string to the equivalent game version string.</summary>
/// <param name="semanticVersion">The semantic version string.</param>
private static string GetGameVersionString(string semanticVersion)
{
if (semanticVersion.StartsWith("1.3-alpha."))
return "1.3.0." + semanticVersion.Substring("1.3-alpha.".Length);
foreach (var mapping in GameVersion.VersionMap)
{
if (mapping.Value.Equals(semanticVersion, StringComparison.InvariantCultureIgnoreCase))
return mapping.Key;
}
return semanticVersion;
}
}
}
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