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Diffstat (limited to 'src/SMAPI/Framework/Models/ModDataField.cs')
-rw-r--r-- | src/SMAPI/Framework/Models/ModDataField.cs | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/SMAPI/Framework/Models/ModDataField.cs b/src/SMAPI/Framework/Models/ModDataField.cs new file mode 100644 index 00000000..0812b39b --- /dev/null +++ b/src/SMAPI/Framework/Models/ModDataField.cs @@ -0,0 +1,82 @@ +using System.Linq; + +namespace StardewModdingAPI.Framework.Models +{ + /// <summary>A versioned mod metadata field.</summary> + internal class ModDataField + { + /********* + ** Accessors + *********/ + /// <summary>The field key.</summary> + public ModDataFieldKey Key { get; } + + /// <summary>The field value.</summary> + public string Value { get; } + + /// <summary>Whether this field should only be applied if it's not already set.</summary> + public bool IsDefault { get; } + + /// <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; } + + + /********* + ** Public methods + *********/ + /// <summary>Construct an instance.</summary> + /// <param name="key">The field key.</param> + /// <param name="value">The field value.</param> + /// <param name="isDefault">Whether this field should only be applied if it's not already set.</param> + /// <param name="lowerVersion">The lowest version in the range, or <c>null</c> for all past versions.</param> + /// <param name="upperVersion">The highest version in the range, or <c>null</c> for all future versions.</param> + public ModDataField(ModDataFieldKey key, string value, bool isDefault, ISemanticVersion lowerVersion, ISemanticVersion upperVersion) + { + this.Key = key; + this.Value = value; + this.IsDefault = isDefault; + this.LowerVersion = lowerVersion; + this.UpperVersion = upperVersion; + } + + /// <summary>Get whether this data field applies for the given manifest.</summary> + /// <param name="manifest">The mod manifest.</param> + public bool IsMatch(IManifest manifest) + { + return + manifest?.Version != null // ignore invalid manifest + && (!this.IsDefault || !this.HasFieldValue(manifest, this.Key)) + && (this.LowerVersion == null || !manifest.Version.IsOlderThan(this.LowerVersion)) + && (this.UpperVersion == null || !manifest.Version.IsNewerThan(this.UpperVersion)); + } + + + /********* + ** Private methods + *********/ + /// <summary>Get whether a manifest field has a meaningful value for the purposes of enforcing <see cref="IsDefault"/>.</summary> + /// <param name="manifest">The mod manifest.</param> + /// <param name="key">The field key matching <see cref="ModDataFieldKey"/>.</param> + private bool HasFieldValue(IManifest manifest, ModDataFieldKey key) + { + switch (key) + { + // update key + case ModDataFieldKey.UpdateKey: + return manifest.UpdateKeys != null && manifest.UpdateKeys.Any(); + + // non-manifest fields + case ModDataFieldKey.AlternativeUrl: + case ModDataFieldKey.StatusReasonPhrase: + case ModDataFieldKey.Status: + return false; + + default: + return false; + } + } + } +} |