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Small LINQ to JSON Library

, 6 Dec 2011
A small LinqToJSON library in C#, and how it works
LinqToJSON-all.zip
DemoApp
Properties
JSON.Linq
ClassDiagram1.cd
internal
JSON.Linq.sln.docstates
JSON.Linq.suo
Properties
public
Ranslant.JSON.Linq.dll
LINQToJSON-dll.zip
Ranslant.JSON.Linq.dll
LinqToJSON-doc.zip
doc
Linq.Json_fichiers
LinqToJSON-src.zip
ClassDiagram1.cd
JSON.Linq.sln.docstates
JSON.Linq.suo
using System;

namespace Ranslant.JSON.Linq
{
    // use only for invalid JSON text (see specs: http://www.json.org/ )
    public class JsonException: Exception
    {
        public JsonException(string s) : base("JSON: " + s)
        { }
    }
    
    public class JsonParserException : Exception
    {
        public JsonParserException(string s) : base(s)
        { }
    }

    internal static class JExtensions
	{
        internal static char[] spaces = { ' ', '\n', '\t', '\r' };
        
        // extension method
        // at first, I had:
        //      public static string ConsumeToken(this string thisString, string token, bool removeSpaceBeforeToken, bool removeSpaceAfterToken)
        // but since removeSpaceBeforeToken and removeSpaceAfterToken were always set to true, I removed them.
        public static string ConsumeToken(this string thisString, string token)
        {
            string result = thisString;

            //if (removeSpaceBeforeToken)
            result = result.TrimStart(spaces);

            if (result.StartsWith(token))
                result = result.Remove(0, token.Length);
            else
            {
                throw new JsonParserException("token '" + token + "' not found");
            }

            //if (removeSpaceAfterToken)
                result = result.TrimStart(spaces);

            return result;
        }

        public static bool StartsWith(this byte[] thisArray, byte[] array)
        {
            int count = array.Length;
            if (count > thisArray.Length)
                return false;

            while (--count >= 0)
            {
                if (thisArray[count] != array[count])
                    return false;
            }
            return true;
        }
	}
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Guillaume Ranslant
Software Developer IPG
Germany Germany
since 2010: C# with WPF
since 2002: C++ (MFC / QT)
since 1995: C, Java, Pascal
 

"if a drummer can do it, anobody can" - Bruce Dickinson

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