// --------------------------------------------------------------------------------------------------------------------

// <copyright file="Examples.cs" company="OxyPlot">

// Copyright (c) 2014 OxyPlot contributors

// </copyright>

// --------------------------------------------------------------------------------------------------------------------

namespace ExampleLibrary

{

using System;

using System.Collections.Generic;

using System.Linq;

using System.Reflection;

/// <summary>

/// Enumerates all examples in the assembly.

/// </summary>

public static class Examples

{

#if !UNIVERSAL

public static IEnumerable<T> GetCustomAttributes<T>(this Type type) where T : Attribute

{

return type.GetCustomAttributes(typeof(T), true).Cast<T>();

}

public static IEnumerable<T> GetCustomAttributes<T>(this MethodInfo info) where T : Attribute

{

return info.GetCustomAttributes(typeof(T), true).Cast<T>();

}

#endif

/// <summary>

/// Gets the list of examples.

/// </summary>

/// <returns>The list of examples.</returns>

public static List<ExampleInfo> GetList()

{

var list = new List<ExampleInfo>();

#if UNIVERSAL

var assemblyTypes = typeof(Examples).GetTypeInfo().Assembly.DefinedTypes;

#else

var assemblyTypes = typeof(Examples).Assembly.GetTypes();

#endif

foreach (var type in assemblyTypes)

{

var examplesAttribute = type.GetCustomAttributes<ExamplesAttribute>().FirstOrDefault();

if (examplesAttribute == null)

{

continue;

}

var examplesTags = type.GetCustomAttributes<TagsAttribute>().FirstOrDefault() ?? new TagsAttribute();

var types = new List<Type>();

var baseType = type;

while (baseType != null)

{

#if UNIVERSAL

types.Add(baseType.AsType());

baseType = baseType.BaseType != null ? baseType.BaseType.GetTypeInfo() : null;

#else

types.Add(baseType);

baseType = baseType.BaseType;

#endif

}

foreach (var t in types)

{

#if UNIVERSAL

var methods = t.GetRuntimeMethods();

#else

var methods = t.GetMethods(BindingFlags.Public | BindingFlags.Static);

#endif

foreach (var method in methods)

{

try

{

var exampleAttribute = method.GetCustomAttributes<ExampleAttribute>().FirstOrDefault();

if (exampleAttribute != null)

{

var exampleTags = method.GetCustomAttributes<TagsAttribute>().FirstOrDefault() ?? new TagsAttribute();

var tags = new List<string>(examplesTags.Tags);

tags.AddRange(exampleTags.Tags);

list.Add(

new ExampleInfo(

examplesAttribute.Category,

exampleAttribute.Title,

tags.ToArray(),

method));

}

}

catch (Exception)

{

}

}

}

}

return list;

}

}

}