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Merge pull request PHOENIXCONTACT#44 from PHOENIXCONTACT/feature/entr…
…ySerialize Introduced EntrySerialize attribute as replacement for EditorBrowsable
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src/Moryx/Serialization/EntryConvert/EntrySerializeAttribute.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| using System; | ||
|
|
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| namespace Moryx.Serialization | ||
| { | ||
| [AttributeUsage(AttributeTargets.All)] | ||
| public class EntrySerializeAttribute : Attribute | ||
| { | ||
| /// <summary> | ||
| /// Configured mode for the entry to serialize | ||
| /// </summary> | ||
| public EntrySerializeMode Mode { get; } | ||
|
|
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| /// <summary> | ||
| /// Creates a new instance of the <see cref="EntrySerializeAttribute"/>. The default mode is <see cref="EntrySerializeMode.Always"/> | ||
| /// </summary> | ||
| public EntrySerializeAttribute() : this(EntrySerializeMode.Always) | ||
| { | ||
| } | ||
|
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| public EntrySerializeAttribute(EntrySerializeMode mode) | ||
| { | ||
| Mode = mode; | ||
| } | ||
| } | ||
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| /// <summary> | ||
| /// Mode to for the <see cref="EntrySerializeAttribute"/> | ||
| /// </summary> | ||
| public enum EntrySerializeMode | ||
| { | ||
| Always, | ||
| Never | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| // Copyright (c) 2020, Phoenix Contact GmbH & Co. KG | ||
| // Licensed under the Apache License, Version 2.0 | ||
|
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||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Reflection; | ||
| using System.Threading; | ||
| using Moryx.Tools; | ||
|
|
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| namespace Moryx.Serialization | ||
| { | ||
| /// <summary> | ||
| /// Filters methods and properties with <see cref="EntrySerializeAttribute"/> set. | ||
| /// </summary> | ||
| public class EntrySerializeSerialization : DefaultSerialization | ||
| { | ||
| private static readonly Lazy<EntrySerializeSerialization> LazyInstance | ||
| = new Lazy<EntrySerializeSerialization>(LazyThreadSafetyMode.ExecutionAndPublication); | ||
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| /// <summary> | ||
| /// Singleton instance | ||
| /// </summary> | ||
| public static EntrySerializeSerialization Instance => LazyInstance.Value; | ||
|
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| /// <inheritdoc /> | ||
| public override IEnumerable<ConstructorInfo> GetConstructors(Type sourceType) | ||
| { | ||
| var constructors = from ctor in base.GetConstructors(sourceType) | ||
| let mode = EvaluateSerializeMode(ctor) | ||
| where mode.HasValue && mode.Value == EntrySerializeMode.Always | ||
| select ctor; | ||
|
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| return constructors; | ||
| } | ||
|
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| /// <inheritdoc /> | ||
| public override IEnumerable<MethodInfo> GetMethods(Type sourceType) | ||
| { | ||
| var methods = sourceType.GetMethods(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance).Where(m => !m.IsSpecialName); | ||
| methods = from method in methods | ||
| let mode = EvaluateSerializeMode(method) | ||
| where mode.HasValue && mode.Value == EntrySerializeMode.Always | ||
| select method; | ||
|
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| return methods; | ||
| } | ||
|
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| /// <inheritdoc /> | ||
| public override IEnumerable<PropertyInfo> GetProperties(Type sourceType) | ||
| { | ||
| var properties = sourceType.GetProperties(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance).ToArray(); | ||
|
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| var sourceTypeMode = EvaluateSerializeMode(sourceType); | ||
| var propertyModes = properties.Select(EvaluateSerializeMode).ToArray(); | ||
|
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| var alwaysProperties = propertyModes | ||
| .Where(pm => pm.Mode.HasValue && pm.Mode == EntrySerializeMode.Always) | ||
| .Select(pm => pm.Property).ToArray(); | ||
|
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| var neverProperties = propertyModes | ||
| .Where(pm => pm.Mode.HasValue && pm.Mode == EntrySerializeMode.Never) | ||
| .Select(pm => pm.Property).ToArray(); | ||
|
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| // Class: Always | ||
| // -> All properties except "Never" | ||
| if (sourceTypeMode.HasValue && sourceTypeMode.Value == EntrySerializeMode.Always) | ||
| return properties.Except(neverProperties); | ||
|
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| // Class: Never | ||
| // -> Only "Always" properties | ||
| if (sourceTypeMode.HasValue && sourceTypeMode.Value == EntrySerializeMode.Never) | ||
| return alwaysProperties; | ||
|
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| // Class: Not defined | ||
|
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| // "Always" and "Never" properties, "Always" properties but no "Never" | ||
| // Only "Never" properties | ||
| if (alwaysProperties.Length > 0) | ||
| return alwaysProperties; | ||
|
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| // No "Always" properties, but "Never" properties | ||
| // -> Properties except "Never" | ||
| if (neverProperties.Length > 0) | ||
| return properties.Except(neverProperties); | ||
|
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| // No property mode defined, No "Always", No "Never" | ||
| // -> All property | ||
| return properties; | ||
| } | ||
|
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| /// <summary> | ||
| /// Checks if the <see cref="EntrySerializeAttribute"/> is existent and activated | ||
| /// </summary> | ||
| private static EntrySerializeMode? EvaluateSerializeMode(ICustomAttributeProvider attributeProvider) | ||
| { | ||
| var entrySerializeAttr = attributeProvider.GetCustomAttribute<EntrySerializeAttribute>(); | ||
| return entrySerializeAttr?.Mode; | ||
| } | ||
|
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| private static PropertyMode EvaluateSerializeMode(PropertyInfo property) | ||
| { | ||
| return new PropertyMode | ||
| { | ||
| Property = property, | ||
| Mode = EvaluateSerializeMode((ICustomAttributeProvider)property) | ||
| }; | ||
| } | ||
|
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| private class PropertyMode | ||
| { | ||
| public PropertyInfo Property { get; set; } | ||
|
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| public EntrySerializeMode? Mode { get; set; } | ||
| } | ||
| } | ||
| } |
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