// <auto-generated>
// This code is generated by csbindgen.
// DON'T CHANGE THIS DIRECTLY.
// </auto-generated>
#pragma warning disable CS8500
#pragma warning disable CS8981
using System;
using System.Runtime.InteropServices;


namespace ServicePoint
{

    public unsafe sealed partial class BitVec: IDisposable
    {
#nullable enable
        /// <summary>
        ///  Creates a new [SPBitVec] instance.
        ///
        ///  # Arguments
        ///
        ///  - `size`: size in bits.
        ///
        ///  returns: [SPBitVec] with all bits set to false. Will never return NULL.
        ///
        ///  # Panics
        ///
        ///  - when `size` is not divisible by 8.
        ///
        ///  # Safety
        ///
        ///  The caller has to make sure that:
        ///
        ///  - the returned instance is freed in some way, either by using a consuming function or
        ///    by explicitly calling `sp_bitvec_free`.
        /// </summary>
        public BitVec(nuint size) : this(sp_bitvec_new(size)) {}

        /// <summary>
        ///  Interpret the data as a series of bits and load then into a new [SPBitVec] instance.
        ///
        ///  returns: [SPBitVec] instance containing data. Will never return NULL.
        ///
        ///  # Panics
        ///
        ///  - when `data` is NULL
        ///
        ///  # Safety
        ///
        ///  The caller has to make sure that:
        ///
        ///  - `data` points to a valid memory location of at least `data_length`
        ///    bytes in size.
        ///  - the returned instance is freed in some way, either by using a consuming function or
        ///    by explicitly calling `sp_bitvec_free`.
        /// </summary>
        public static BitVec Load(byte* data, nuint data_length)
        {
            return new BitVec(BitVec.sp_bitvec_load(data, data_length));
        }

        /// <summary>
        ///  Clones a [SPBitVec].
        ///
        ///  returns: new [SPBitVec] instance. Will never return NULL.
        ///
        ///  # Panics
        ///
        ///  - when `bit_vec` is NULL
        ///
        ///  # Safety
        ///
        ///  The caller has to make sure that:
        ///
        ///  - `bit_vec` points to a valid [SPBitVec]
        ///  - `bit_vec` is not written to concurrently
        ///  - the returned instance is freed in some way, either by using a consuming function or
        ///    by explicitly calling `sp_bitvec_free`.
        /// </summary>
        public BitVec Clone()
        {
            return new BitVec(BitVec.sp_bitvec_clone(this.Instance));
        }

        /// <summary>
        ///  Gets the value of a bit from the [SPBitVec].
        ///
        ///  # Arguments
        ///
        ///  - `bit_vec`: instance to read from
        ///  - `index`: the bit index to read
        ///
        ///  returns: value of the bit
        ///
        ///  # Panics
        ///
        ///  - when `bit_vec` is NULL
        ///  - when accessing `index` out of bounds
        ///
        ///  # Safety
        ///
        ///  The caller has to make sure that:
        ///
        ///  - `bit_vec` points to a valid [SPBitVec]
        ///  - `bit_vec` is not written to concurrently
        /// </summary>
        public bool Get(nuint index)
        {
            return BitVec.sp_bitvec_get(this.Instance, index);
        }

        /// <summary>
        ///  Sets the value of a bit in the [SPBitVec].
        ///
        ///  # Arguments
        ///
        ///  - `bit_vec`: instance to write to
        ///  - `index`: the bit index to edit
        ///  - `value`: the value to set the bit to
        ///
        ///  # Panics
        ///
        ///  - when `bit_vec` is NULL
        ///  - when accessing `index` out of bounds
        ///
        ///  # Safety
        ///
        ///  The caller has to make sure that:
        ///
        ///  - `bit_vec` points to a valid [SPBitVec]
        ///  - `bit_vec` is not written to or read from concurrently
        /// </summary>
        public void Set(nuint index, bool value)
        {
            BitVec.sp_bitvec_set(this.Instance, index, value);
        }

        /// <summary>
        ///  Sets the value of all bits in the [SPBitVec].
        ///
        ///  # Arguments
        ///
        ///  - `bit_vec`: instance to write to
        ///  - `value`: the value to set all bits to
        ///
        ///  # Panics
        ///
        ///  - when `bit_vec` is NULL
        ///
        ///  # Safety
        ///
        ///  The caller has to make sure that:
        ///
        ///  - `bit_vec` points to a valid [SPBitVec]
        ///  - `bit_vec` is not written to or read from concurrently
        /// </summary>
        public void Fill(bool value)
        {
            BitVec.sp_bitvec_fill(this.Instance, value);
        }

        /// <summary>
        ///  Gets the length of the [SPBitVec] in bits.
        ///
        ///  # Arguments
        ///
        ///  - `bit_vec`: instance to write to
        ///
        ///  # Panics
        ///
        ///  - when `bit_vec` is NULL
        ///
        ///  # Safety
        ///
        ///  The caller has to make sure that:
        ///
        ///  - `bit_vec` points to a valid [SPBitVec]
        /// </summary>
        public nuint Len()
        {
            return BitVec.sp_bitvec_len(this.Instance);
        }

        /// <summary>
        ///  Returns true if length is 0.
        ///
        ///  # Arguments
        ///
        ///  - `bit_vec`: instance to write to
        ///
        ///  # Panics
        ///
        ///  - when `bit_vec` is NULL
        ///
        ///  # Safety
        ///
        ///  The caller has to make sure that:
        ///
        ///  - `bit_vec` points to a valid [SPBitVec]
        /// </summary>
        public bool IsEmpty()
        {
            return BitVec.sp_bitvec_is_empty(this.Instance);
        }

        /// <summary>
        ///  Gets an unsafe reference to the data of the [SPBitVec] instance.
        ///
        ///  # Arguments
        ///
        ///  - `bit_vec`: instance to write to
        ///
        ///  # Panics
        ///
        ///  - when `bit_vec` is NULL
        ///
        ///  ## Safety
        ///
        ///  The caller has to make sure that:
        ///
        ///  - `bit_vec` points to a valid [SPBitVec]
        ///  - the returned memory range is never accessed after the passed [SPBitVec] has been freed
        ///  - the returned memory range is never accessed concurrently, either via the [SPBitVec] or directly
        /// </summary>
        public SPByteSlice UnsafeDataRef()
        {
            return BitVec.sp_bitvec_unsafe_data_ref(this.Instance);
        }


#region internal machinery
        private SPBitVec* _instance;
        internal SPBitVec* Instance
        {
            get
            {
                if (_instance == null)
                    throw new NullReferenceException("instance is null");
                return _instance;
            }
        }

        private BitVec(SPBitVec* instance)
        {
            ArgumentNullException.ThrowIfNull(instance);
            _instance = instance;
        }

        internal SPBitVec* Into()
        {
            var instance = Instance;
            _instance = null;
            return instance;
        }

        private void Free()
        {
            if (_instance != null)
                BitVec.sp_bitvec_free(Into());
        }

        public void Dispose()
        {
            Free();
            GC.SuppressFinalize(this);
        }

        ~BitVec() => Free();
            
#endregion

#nullable restore
#region native methods
        const string __DllName = "servicepoint_binding_c";
        [DllImport(__DllName, EntryPoint = "sp_bitvec_new", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        private static extern SPBitVec* sp_bitvec_new(nuint size);

        [DllImport(__DllName, EntryPoint = "sp_bitvec_load", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        private static extern SPBitVec* sp_bitvec_load(byte* data, nuint data_length);

        [DllImport(__DllName, EntryPoint = "sp_bitvec_clone", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        private static extern SPBitVec* sp_bitvec_clone(SPBitVec* bit_vec);

        [DllImport(__DllName, EntryPoint = "sp_bitvec_free", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        private static extern void sp_bitvec_free(SPBitVec* bit_vec);

        [DllImport(__DllName, EntryPoint = "sp_bitvec_get", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        [return: MarshalAs(UnmanagedType.U1)]
        private static extern bool sp_bitvec_get(SPBitVec* bit_vec, nuint index);

        [DllImport(__DllName, EntryPoint = "sp_bitvec_set", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        private static extern void sp_bitvec_set(SPBitVec* bit_vec, nuint index, [MarshalAs(UnmanagedType.U1)] bool value);

        [DllImport(__DllName, EntryPoint = "sp_bitvec_fill", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        private static extern void sp_bitvec_fill(SPBitVec* bit_vec, [MarshalAs(UnmanagedType.U1)] bool value);

        [DllImport(__DllName, EntryPoint = "sp_bitvec_len", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        private static extern nuint sp_bitvec_len(SPBitVec* bit_vec);

        [DllImport(__DllName, EntryPoint = "sp_bitvec_is_empty", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        [return: MarshalAs(UnmanagedType.U1)]
        private static extern bool sp_bitvec_is_empty(SPBitVec* bit_vec);

        [DllImport(__DllName, EntryPoint = "sp_bitvec_unsafe_data_ref", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        private static extern SPByteSlice sp_bitvec_unsafe_data_ref(SPBitVec* bit_vec);


#endregion
    }

    [StructLayout(LayoutKind.Sequential)]
    public unsafe partial struct SPBitVec
    {
    }



}