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topic 定数の持ち方 #25

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50 changes: 50 additions & 0 deletions EnumItem/EnumItem.sln
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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio 15
VisualStudioVersion = 15.0.26124.0
MinimumVisualStudioVersion = 15.0.26124.0
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EnumItem", "EnumItem\EnumItem.csproj", "{5DD2F8BF-E7B5-4E9E-898E-8A868934E5D0}"
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EnumItemTest", "EnumItemTest\EnumItemTest.csproj", "{4EAD2569-EA87-48B5-BDEA-F6BD83F87F96}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Debug|x64 = Debug|x64
Debug|x86 = Debug|x86
Release|Any CPU = Release|Any CPU
Release|x64 = Release|x64
Release|x86 = Release|x86
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{5DD2F8BF-E7B5-4E9E-898E-8A868934E5D0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{5DD2F8BF-E7B5-4E9E-898E-8A868934E5D0}.Debug|Any CPU.Build.0 = Debug|Any CPU
{5DD2F8BF-E7B5-4E9E-898E-8A868934E5D0}.Debug|x64.ActiveCfg = Debug|Any CPU
{5DD2F8BF-E7B5-4E9E-898E-8A868934E5D0}.Debug|x64.Build.0 = Debug|Any CPU
{5DD2F8BF-E7B5-4E9E-898E-8A868934E5D0}.Debug|x86.ActiveCfg = Debug|Any CPU
{5DD2F8BF-E7B5-4E9E-898E-8A868934E5D0}.Debug|x86.Build.0 = Debug|Any CPU
{5DD2F8BF-E7B5-4E9E-898E-8A868934E5D0}.Release|Any CPU.ActiveCfg = Release|Any CPU
{5DD2F8BF-E7B5-4E9E-898E-8A868934E5D0}.Release|Any CPU.Build.0 = Release|Any CPU
{5DD2F8BF-E7B5-4E9E-898E-8A868934E5D0}.Release|x64.ActiveCfg = Release|Any CPU
{5DD2F8BF-E7B5-4E9E-898E-8A868934E5D0}.Release|x64.Build.0 = Release|Any CPU
{5DD2F8BF-E7B5-4E9E-898E-8A868934E5D0}.Release|x86.ActiveCfg = Release|Any CPU
{5DD2F8BF-E7B5-4E9E-898E-8A868934E5D0}.Release|x86.Build.0 = Release|Any CPU
{4EAD2569-EA87-48B5-BDEA-F6BD83F87F96}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{4EAD2569-EA87-48B5-BDEA-F6BD83F87F96}.Debug|Any CPU.Build.0 = Debug|Any CPU
{4EAD2569-EA87-48B5-BDEA-F6BD83F87F96}.Debug|x64.ActiveCfg = Debug|Any CPU
{4EAD2569-EA87-48B5-BDEA-F6BD83F87F96}.Debug|x64.Build.0 = Debug|Any CPU
{4EAD2569-EA87-48B5-BDEA-F6BD83F87F96}.Debug|x86.ActiveCfg = Debug|Any CPU
{4EAD2569-EA87-48B5-BDEA-F6BD83F87F96}.Debug|x86.Build.0 = Debug|Any CPU
{4EAD2569-EA87-48B5-BDEA-F6BD83F87F96}.Release|Any CPU.ActiveCfg = Release|Any CPU
{4EAD2569-EA87-48B5-BDEA-F6BD83F87F96}.Release|Any CPU.Build.0 = Release|Any CPU
{4EAD2569-EA87-48B5-BDEA-F6BD83F87F96}.Release|x64.ActiveCfg = Release|Any CPU
{4EAD2569-EA87-48B5-BDEA-F6BD83F87F96}.Release|x64.Build.0 = Release|Any CPU
{4EAD2569-EA87-48B5-BDEA-F6BD83F87F96}.Release|x86.ActiveCfg = Release|Any CPU
{4EAD2569-EA87-48B5-BDEA-F6BD83F87F96}.Release|x86.Build.0 = Release|Any CPU
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HideSolutionNode = FALSE
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SolutionGuid = {2554EAE2-F0E3-4627-B65D-59B3036D0C6C}
EndGlobalSection
EndGlobal
15 changes: 15 additions & 0 deletions EnumItem/EnumItem/EnumAttribute.cs
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using System;
using System.Linq;
using System.Collections.Generic;
using System.Text;

namespace EnumItem
{
[AttributeUsage(AttributeTargets.Field, AllowMultiple =false, Inherited = false)]
public class EnumAttribute : Attribute
{
public int Id { get; set; }
public string Name { get; set; }
public string IdAndName { get; set; }
}
}
74 changes: 74 additions & 0 deletions EnumItem/EnumItem/EnumHelper.cs
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using System;
using System.Linq;
using System.Collections.Generic;
using System.Reflection;
using System.Text;

namespace EnumItem
{
public class EnumHelper
{
enum State {
Id = 0,
Name = 1,
IdAndName = 2,
}
public string GetKbn<T>(string key, int state = 1)
{
var type = typeof(T);
foreach (var v in type.GetFields())
{
var val = v.GetValue(key);
EnumAttribute[] items = (EnumAttribute[])v.GetCustomAttributes(typeof(EnumAttribute), false);
foreach (var item in items)
{
if (key.Equals(val))
{
if (state == (int)State.Id) return item.Id.ToString();
if (state == (int)State.IdAndName) return item.IdAndName;

return item.Name;
}
}
}
return string.Empty;
}
public string GetKbn<T>(int key, int state = 1)
{
var type = typeof(T);
foreach (var v in type.GetFields())
{
var val = (int)v.GetValue(key);
EnumAttribute[] items = (EnumAttribute[])v.GetCustomAttributes(typeof(EnumAttribute), false);
foreach (var item in items)
{
if (key.Equals(val))
{
if (state == (int)State.Id) return item.Id.ToString();
if (state == (int)State.IdAndName) return item.IdAndName;

return item.Name;
}
}
}
return string.Empty;
}

public IEnumerable<EnumItem> GetAll<T>()
{
var type = typeof(T);
foreach (var v in type.GetFields())
{
EnumAttribute[] items = (EnumAttribute[])v.GetCustomAttributes(typeof(EnumAttribute), false);
foreach (var item in items)
{
var display = new EnumItem();
display.Id = item.Id;
display.Name = item.Name;
display.IdAndName = item.IdAndName;
yield return display;
}
}
}
}
}
11 changes: 11 additions & 0 deletions EnumItem/EnumItem/EnumItem.cs
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using System;

namespace EnumItem
{
public class EnumItem
{
public int Id { get; set; }
public string Name { get; set; }
public string IdAndName { get; set; }
}
}
7 changes: 7 additions & 0 deletions EnumItem/EnumItem/EnumItem.csproj
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<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<TargetFramework>netstandard2.0</TargetFramework>
</PropertyGroup>

</Project>
70 changes: 70 additions & 0 deletions EnumItem/EnumItemTest/EnumHelperTest.cs
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using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using Xunit;
using EnumItem;

namespace EnumyItem.Test
{
public class EnumHelperTest
{
private EnumHelper helper;
public EnumHelperTest()
{
this.helper = new EnumHelper();
}
[Fact]
public void Test1()
{
Assert.Equal("test", this.helper.GetKbn<EnumSample>(EnumSample.Kbn1));
}
[Fact]
public void Test2()
{
Assert.Equal("aaaa", this.helper.GetKbn<EnumSample>(EnumSample.Kbn2));
}
[Fact]
public void Test3()
{
Assert.Equal("�R�{�R", this.helper.GetKbn<EnumSample>(EnumSample.KbnYamamoto));
}
[Fact]
public void Test4()
{
Assert.Equal("1:test", this.helper.GetKbn<EnumSample>(EnumSample.Kbn1, 2));
}
[Fact]
public void Test5()
{
Assert.Equal("2:aaaa", this.helper.GetKbn<EnumSample>(EnumSample.Kbn2, 2));
}
[Fact]
public void Test6()
{
Assert.Equal("3:�R�{�R", this.helper.GetKbn<EnumSample>(EnumSample.KbnYamamoto, 2));
}
[Fact]
public void Test7()
{
var list = this.helper.GetAll<EnumSample>();
Assert.Equal<int>(3, list.Count());
Assert.Equal("test", list.ElementAt(0).Name);
Assert.Equal("aaaa", list.ElementAt(1).Name);
Assert.Equal("�R�{�R", list.ElementAt(2).Name);
Assert.Equal("1:test", list.ElementAt(0).IdAndName);
Assert.Equal("2:aaaa", list.ElementAt(1).IdAndName);
Assert.Equal("3:�R�{�R", list.ElementAt(2).IdAndName);
}
}

public class EnumSample
{
[Enum(Name = "test", IdAndName = "1:test")]
public readonly static int Kbn1 = 1;
[Enum(Name = "aaaa", IdAndName = "2:aaaa")]
public readonly static string Kbn2 = "aaaa";
[Enum(Name = "�R�{�R", IdAndName = "3:�R�{�R")]
public readonly static string KbnYamamoto = "ccc";
}
}
20 changes: 20 additions & 0 deletions EnumItem/EnumItemTest/EnumItemTest.csproj
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<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<TargetFramework>netcoreapp2.0</TargetFramework>

<IsPackable>false</IsPackable>
</PropertyGroup>

<ItemGroup>
<PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.5.0" />
<PackageReference Include="xunit" Version="2.3.1" />
<PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
<DotNetCliToolReference Include="dotnet-xunit" Version="2.3.1" />
</ItemGroup>

<ItemGroup>
<ProjectReference Include="..\EnumItem\EnumItem.csproj" />
</ItemGroup>

</Project>