corrade-vassal – Rev 15
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///////////////////////////////////////////////////////////////////////////
// Copyright (C) Wizardry and Steamworks 2013 - License: GNU GPLv3 //
// Please see: http://www.gnu.org/licenses/gpl.html for legal details, //
// rights of fair usage, the disclaimer and warranty conditions. //
///////////////////////////////////////////////////////////////////////////
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
namespace wasSharp
{
public class KeyValue
{
///////////////////////////////////////////////////////////////////////////
// Copyright (C) 2014 Wizardry and Steamworks - License: GNU GPLv3 //
///////////////////////////////////////////////////////////////////////////
/// <summary>
/// Returns the value of a key from a key-value data string.
/// </summary>
/// <returns>true if the key was found in data</returns>
public static Func<string, string, string> Get =
((Expression<Func<string, string, string>>) ((key, data) => data.Split('&')
.AsParallel()
.Select(o => o.Split('='))
.Where(o => o.Length.Equals(2))
.Where(o => o[0].Equals(key))
.Select(o => o[1])
.FirstOrDefault())).Compile();
///////////////////////////////////////////////////////////////////////////
// Copyright (C) 2014 Wizardry and Steamworks - License: GNU GPLv3 //
///////////////////////////////////////////////////////////////////////////
/// <summary>
/// Returns a key-value data string with a key set to a given value.
/// </summary>
/// <returns>
/// a key-value data string or the empty string if either key or
/// value are empty
/// </returns>
public static Func<string, string, string, string> Set =
((Expression<Func<string, string, string, string>>)
((key, value, data) => string.Join("&", string.Join("&", data.Split('&')
.AsParallel()
.Select(o => o.Split('='))
.Where(o => o.Length.Equals(2))
.Where(o => !o[0].Equals(key))
.Select(o => string.Join("=", o[0], o[1]))), string.Join("=", key, value)))).Compile();
///////////////////////////////////////////////////////////////////////////
// Copyright (C) 2014 Wizardry and Steamworks - License: GNU GPLv3 //
///////////////////////////////////////////////////////////////////////////
/// <summary>
/// Deletes a key-value pair from a string referenced by a key.
/// </summary>
/// <returns>a key-value pair string</returns>
public static Func<string, string, string> Delete =
((Expression<Func<string, string, string>>) ((key, data) => string.Join("&", data.Split('&')
.AsParallel()
.Select(o => o.Split('='))
.Where(o => o.Length.Equals(2))
.Where(o => !o[0].Equals(key))
.Select(o => string.Join("=", o[0], o[1]))
.ToArray()))).Compile();
///////////////////////////////////////////////////////////////////////////
// Copyright (C) 2014 Wizardry and Steamworks - License: GNU GPLv3 //
///////////////////////////////////////////////////////////////////////////
/// <summary>
/// Decodes key-value pair data to a dictionary.
/// </summary>
/// <returns>a dictionary containing the keys and values</returns>
public static Func<string, Dictionary<string, string>> Decode =
((Expression<Func<string, Dictionary<string, string>>>) (data => data.Split('&')
.AsParallel()
.Select(o => o.Split('='))
.Where(o => o.Length.Equals(2))
.Select(o => new
{
k = o[0],
v = o[1]
})
.GroupBy(o => o.k)
.ToDictionary(o => o.Key, p => p.First().v))).Compile();
///////////////////////////////////////////////////////////////////////////
// Copyright (C) 2014 Wizardry and Steamworks - License: GNU GPLv3 //
///////////////////////////////////////////////////////////////////////////
/// <summary>
/// Serialises a dictionary to key-value data.
/// </summary>
/// <returns>a key-value data encoded string</returns>
public static Func<Dictionary<string, string>, string> Encode =
((Expression<Func<Dictionary<string, string>, string>>)
(data => string.Join("&", data.AsParallel().Select(o => string.Join("=", o.Key, o.Value))))).Compile();
///////////////////////////////////////////////////////////////////////////
// Copyright (C) 2014 Wizardry and Steamworks - License: GNU GPLv3 //
///////////////////////////////////////////////////////////////////////////
/// <summary>
/// Escapes a dictionary's keys and values for sending as POST data.
/// </summary>
public static Func<Dictionary<string, string>, Func<string, string>, Dictionary<string, string>> Escape =
((Expression<Func<Dictionary<string, string>, Func<string, string>, Dictionary<string, string>>>)
((data, func) => data.AsParallel().ToDictionary(o => func(o.Key), p => func(p.Value)))).Compile();
}
}
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