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Add code for StringEquivalent and tests
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| using System; | ||
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| namespace MiscUtils | ||
| { | ||
| /// <summary> | ||
| /// Ensure input parameters | ||
| /// </summary> | ||
| public static class Ensure | ||
| { | ||
| public static void ArgumentNotNull([ValidatedNotNull] object value, string name) | ||
| { | ||
| if (value != null) return; | ||
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| throw new ArgumentNullException(name); | ||
| } | ||
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| public static void ArgumentNonNegative(int value, string name) | ||
| { | ||
| if (value > -1) return; | ||
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| throw new ArgumentException("The argument must be non-negative", name); | ||
| } | ||
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| public static void ArgumentNotNullOrEmptyString([ValidatedNotNull] string value, string name) | ||
| { | ||
| ArgumentNotNull(value, name); | ||
| if (!string.IsNullOrWhiteSpace(value)) return; | ||
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| throw new ArgumentException("String cannot be empty", name); | ||
| } | ||
| } | ||
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| // Tells CodeAnalysis that this argument is being validated | ||
| // to be not null. Great for guard methods. | ||
| [AttributeUsage(AttributeTargets.Parameter)] | ||
| internal sealed class ValidatedNotNullAttribute : Attribute | ||
| { | ||
| // Internal so it doesn't conflict with the potential billion | ||
| // other implementations of this attribute. | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> | ||
| <PropertyGroup> | ||
| <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> | ||
| <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> | ||
| <ProductVersion>8.0.30703</ProductVersion> | ||
| <SchemaVersion>2.0</SchemaVersion> | ||
| <ProjectGuid>{52D341CE-48CE-4C0C-98E7-9935B300EB2C}</ProjectGuid> | ||
| <OutputType>Library</OutputType> | ||
| <AppDesignerFolder>Properties</AppDesignerFolder> | ||
| <RootNamespace>MiscUtils</RootNamespace> | ||
| <AssemblyName>MiscUtils</AssemblyName> | ||
| <TargetFrameworkVersion>v4.0</TargetFrameworkVersion> | ||
| <FileAlignment>512</FileAlignment> | ||
| </PropertyGroup> | ||
| <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> | ||
| <DebugSymbols>true</DebugSymbols> | ||
| <DebugType>full</DebugType> | ||
| <Optimize>false</Optimize> | ||
| <OutputPath>bin\Debug\</OutputPath> | ||
| <DefineConstants>DEBUG;TRACE</DefineConstants> | ||
| <ErrorReport>prompt</ErrorReport> | ||
| <WarningLevel>4</WarningLevel> | ||
| </PropertyGroup> | ||
| <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> | ||
| <DebugType>pdbonly</DebugType> | ||
| <Optimize>true</Optimize> | ||
| <OutputPath>bin\Release\</OutputPath> | ||
| <DefineConstants>TRACE</DefineConstants> | ||
| <ErrorReport>prompt</ErrorReport> | ||
| <WarningLevel>4</WarningLevel> | ||
| </PropertyGroup> | ||
| <ItemGroup> | ||
| <Reference Include="System" /> | ||
| <Reference Include="System.Core" /> | ||
| <Reference Include="System.Xml.Linq" /> | ||
| <Reference Include="System.Data.DataSetExtensions" /> | ||
| <Reference Include="Microsoft.CSharp" /> | ||
| <Reference Include="System.Data" /> | ||
| <Reference Include="System.Xml" /> | ||
| </ItemGroup> | ||
| <ItemGroup> | ||
| <Compile Include="Ensure.cs" /> | ||
| <Compile Include="PathString.cs" /> | ||
| <Compile Include="Properties\AssemblyInfo.cs" /> | ||
| <Compile Include="StringEquivalent.cs" /> | ||
| </ItemGroup> | ||
| <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" /> | ||
| <!-- To modify your build process, add your task inside one of the targets below and uncomment it. | ||
| Other similar extension points exist, see Microsoft.Common.targets. | ||
| <Target Name="BeforeBuild"> | ||
| </Target> | ||
| <Target Name="AfterBuild"> | ||
| </Target> | ||
| --> | ||
| </Project> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| using System; | ||
| using System.IO; | ||
| using System.Linq; | ||
| using System.Runtime.Serialization; | ||
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| namespace MiscUtils | ||
| { | ||
| [Serializable] | ||
| public class PathString : StringEquivalent<PathString> | ||
| { | ||
| public PathString(string pathString) : base(NormalizePath(pathString)) | ||
| { | ||
| } | ||
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| protected PathString(SerializationInfo info, StreamingContext context) : base(info) | ||
| { | ||
| } | ||
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| // So the XmlSerializer can create this. | ||
| protected PathString() | ||
| { | ||
| } | ||
|
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| public override PathString Combine(string path) | ||
| { | ||
| Ensure.ArgumentNotNull(path, "path"); | ||
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| if (path.StartsWith(@"\", StringComparison.Ordinal)) | ||
| { | ||
| path = path.Substring(1); | ||
| } | ||
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| try | ||
| { | ||
| return Path.Combine(Value, path); | ||
| } | ||
| catch (ArgumentException) | ||
| { | ||
| return AppendPath(Value, path); | ||
| } | ||
| } | ||
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| private static string AppendPath(string source, string addition) | ||
| { | ||
| if (source.Last() != Path.DirectorySeparatorChar) source += "/"; | ||
| if (addition.First() == '/') addition = addition.Substring(1); | ||
| return source + addition; | ||
| } | ||
|
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| public static implicit operator PathString(string value) | ||
| { | ||
| return value == null ? null : new PathString(value); | ||
| } | ||
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| public static implicit operator string(PathString path) | ||
| { | ||
| return path == null ? null : path.Value; | ||
| } | ||
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| private static string NormalizePath(string path) | ||
| { | ||
| return path == null ? null : path.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar); | ||
| } | ||
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| public override bool Equals(string other) | ||
| { | ||
| return other != null && Value.Equals(other, StringComparison.OrdinalIgnoreCase); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| using System.Reflection; | ||
| using System.Runtime.CompilerServices; | ||
| using System.Runtime.InteropServices; | ||
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| // General Information about an assembly is controlled through the following | ||
| // set of attributes. Change these attribute values to modify the information | ||
| // associated with an assembly. | ||
| [assembly: AssemblyTitle("MiscUtils")] | ||
| [assembly: AssemblyDescription("")] | ||
| [assembly: AssemblyConfiguration("")] | ||
| [assembly: AssemblyCompany("")] | ||
| [assembly: AssemblyProduct("MiscUtils")] | ||
| [assembly: AssemblyCopyright("Copyright © 2012")] | ||
| [assembly: AssemblyTrademark("")] | ||
| [assembly: AssemblyCulture("")] | ||
|
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| // Setting ComVisible to false makes the types in this assembly not visible | ||
| // to COM components. If you need to access a type in this assembly from | ||
| // COM, set the ComVisible attribute to true on that type. | ||
| [assembly: ComVisible(false)] | ||
|
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| // The following GUID is for the ID of the typelib if this project is exposed to COM | ||
| [assembly: Guid("18bb8ed0-6334-4eb0-b796-c5c12dae80a8")] | ||
|
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| // Version information for an assembly consists of the following four values: | ||
| // | ||
| // Major Version | ||
| // Minor Version | ||
| // Build Number | ||
| // Revision | ||
| // | ||
| // You can specify all the values or you can default the Build and Revision Numbers | ||
| // by using the '*' as shown below: | ||
| // [assembly: AssemblyVersion("1.0.*")] | ||
| [assembly: AssemblyVersion("1.0.0.0")] | ||
| [assembly: AssemblyFileVersion("1.0.0.0")] |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| using System; | ||
| using System.Runtime.Serialization; | ||
| using System.Xml; | ||
| using System.Xml.Schema; | ||
| using System.Xml.Serialization; | ||
|
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| namespace MiscUtils | ||
| { | ||
| [Serializable] | ||
| public abstract class StringEquivalent<T> : ISerializable, IXmlSerializable where T : StringEquivalent<T> | ||
| { | ||
| protected string Value; | ||
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| protected StringEquivalent(string value) | ||
| { | ||
| Ensure.ArgumentNotNull(value, "value"); | ||
| Value = value; | ||
| } | ||
|
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| protected StringEquivalent() | ||
| { | ||
| } | ||
|
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| public abstract T Combine(string addition); | ||
|
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| public static T operator +(StringEquivalent<T> a, string b) | ||
| { | ||
| return a.Combine(b); | ||
| } | ||
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| public static bool operator ==(StringEquivalent<T> a, StringEquivalent<T> b) | ||
| { | ||
| // If both are null, or both are same instance, return true. | ||
| if (ReferenceEquals(a, b)) | ||
| { | ||
| return true; | ||
| } | ||
|
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| // If one is null, but not both, return false. | ||
| if (((object)a == null) || ((object)b == null)) | ||
| { | ||
| return false; | ||
| } | ||
|
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| // Return true if the fields match: | ||
| return a.Value.Equals(b.Value, StringComparison.OrdinalIgnoreCase); | ||
| } | ||
|
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| public static bool operator !=(StringEquivalent<T> a, StringEquivalent<T> b) | ||
| { | ||
| return !(a == b); | ||
| } | ||
|
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| public override bool Equals(Object obj) | ||
| { | ||
| return obj != null && Equals(obj as T) || Equals(obj as string); | ||
| } | ||
|
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| public bool Equals(T stringEquivalent) | ||
| { | ||
| return this == stringEquivalent; | ||
| } | ||
|
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| public override int GetHashCode() | ||
| { | ||
| return (Value ?? "").GetHashCode(); | ||
| } | ||
|
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| public virtual bool Equals(string other) | ||
| { | ||
| return other != null && Value == other; | ||
| } | ||
|
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| public override string ToString() | ||
| { | ||
| return Value; | ||
| } | ||
|
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| protected StringEquivalent(SerializationInfo info) : this(info.GetValue("Value", typeof (string)) as string) | ||
| { | ||
| } | ||
|
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| public virtual void GetObjectData(SerializationInfo info, StreamingContext context) | ||
| { | ||
| info.AddValue("Value", Value); | ||
| } | ||
|
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| public XmlSchema GetSchema() | ||
| { | ||
| return null; | ||
| } | ||
|
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| public void ReadXml(XmlReader reader) | ||
| { | ||
| Value = reader.ReadString(); | ||
| } | ||
|
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| public void WriteXml(XmlWriter writer) | ||
| { | ||
| writer.WriteString(Value); | ||
| } | ||
| } | ||
| } |
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