using System.Collections.Generic;

namespace BinaryObjectScanner.ASN1
{
    /// <summary>
    /// ASN.1 Parser
    /// </summary>
    public static class AbstractSyntaxNotationOne
    {
        /// <summary>
        /// Parse a byte array into a DER-encoded ASN.1 structure
        /// </summary>
        /// <param name="data">Byte array representing the data</param>
        /// <param name="pointer">Current pointer into the data</param>
        /// <returns></returns>
        public static List<TypeLengthValue> Parse(byte[] data, int pointer)
        {
            // Create the output list to return
            var topLevelValues = new List<TypeLengthValue>();

            // Loop through the data and return all top-level values
            while (pointer < data.Length)
            {
                var topLevelValue = new TypeLengthValue(data, ref pointer);
                topLevelValues.Add(topLevelValue);
            }

            return topLevelValues;
        }
    }
}