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using System;
namespace StardewModdingAPI.Framework.Models
{
/// <summary>Specifies the compatibility of a given mod version range.</summary>
internal class ModCompatibility
{
/*********
** Accessors
*********/
/// <summary>The lowest version in the range, or <c>null</c> for all past versions.</summary>
public ISemanticVersion LowerVersion { get; }
/// <summary>The highest version in the range, or <c>null</c> for all future versions.</summary>
public ISemanticVersion UpperVersion { get; }
/// <summary>The mod compatibility.</summary>
public ModStatus Status { get; }
/// <summary>The reason phrase to show in log output, or <c>null</c> to use the default value.</summary>
/// <example>For example, "this version is incompatible with the latest version of the game".</example>
public string ReasonPhrase { get; }
/*********
** Public methods
*********/
/// <summary>Construct an instance.</summary>
/// <param name="versionRange">A version range, which consists of two version strings separated by a '~' character. Either side can be left blank for an unbounded range.</param>
/// <param name="status">The mod compatibility.</param>
/// <param name="reasonPhrase">The reason phrase to show in log output, or <c>null</c> to use the default value.</param>
public ModCompatibility(string versionRange, ModStatus status, string reasonPhrase)
{
// extract version strings
string[] versions = versionRange.Split('~');
if (versions.Length != 2)
throw new FormatException($"Could not parse '{versionRange}' as a version range. It must have two version strings separated by a '~' character (either side can be left blank for an unbounded range).");
// initialise
this.LowerVersion = !string.IsNullOrWhiteSpace(versions[0]) ? new SemanticVersion(versions[0]) : null;
this.UpperVersion = !string.IsNullOrWhiteSpace(versions[1]) ? new SemanticVersion(versions[1]) : null;
this.Status = status;
this.ReasonPhrase = reasonPhrase;
}
/// <summary>Get whether a given version is contained within this compatibility range.</summary>
/// <param name="version">The version to check.</param>
public bool MatchesVersion(ISemanticVersion version)
{
return
(this.LowerVersion == null || !version.IsOlderThan(this.LowerVersion))
&& (this.UpperVersion == null || !version.IsNewerThan(this.UpperVersion));
}
}
}
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