/*
 * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
 * Copyright (C) 2009 - DIGITEO - Allan CORNET
 * 
 * This file must be used under the terms of the CeCILL.
 * This source file is licensed as described in the file COPYING, which
 * you should have received as part of this distribution.  The terms
 * are also available at    
 * http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
 *
 */
//=============================================================================
using System;
using System.Runtime.InteropServices;
//=============================================================================
namespace DotNetScilab {
  class Scilab_cs_wrapper {
    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
    public unsafe struct api_Ctx {
      public String pstName; /**< Function name */
    }

    //=============================================================================
    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
    public unsafe struct api_Err {
      public int iErr;
      public int iMsgCount;
      public fixed char pstructMsg[5];
    }
    //=============================================================================
    private const string CALL_SCILAB_DLL = "call_scilab.dll";
    private const string API_SCILAB_DLL = "api_scilab.dll";
    private const string GRAPHICS_DLL = "graphics.dll";
    private const string OUTPUT_STREAM_DLL = "scioutput_stream.dll";
    //=============================================================================
    /// <summary>
    /// import SendScilabJob from C (see call_scilab.h)
    /// </summary>
    [DllImport(CALL_SCILAB_DLL, CharSet = CharSet.Ansi)]
    public static extern int SendScilabJob([In]String job);
    //=============================================================================
    /// <summary>
    /// import StartScilab from C (see call_scilab.h)
    /// </summary>
    [DllImport(CALL_SCILAB_DLL, CharSet = CharSet.Ansi)]
    public static extern int StartScilab([In] String SCIpath,
                                          [In] String ScilabStartup,
                                          [In] Int32[] Stacksize);
    //=============================================================================
    /// <summary>
    /// import TerminateScilab from C (see call_scilab.h)
    /// </summary>
    [DllImport(CALL_SCILAB_DLL, CharSet = CharSet.Ansi)]
    public static extern int TerminateScilab([In] String ScilabQuit);
    //=============================================================================
    /// <summary>
    /// import DisableInteractiveMode from C (see call_scilab.h)
    /// </summary>
    [DllImport(CALL_SCILAB_DLL, CharSet = CharSet.Ansi)]
    public static extern void DisableInteractiveMode();
    //=============================================================================
    /// <summary>
    /// import createNamedMatrixOfString from C (see api_string.h)
    /// </summary>
    [DllImport(API_SCILAB_DLL, CharSet = CharSet.Ansi)]
    public static extern api_Err createNamedMatrixOfString([In]IntPtr pvApiCtx, [In] String _pstName,
                                                        [In] int _iRows, [In] int _iCols,
                                                        [In] String[] _pstStrings);
    //=============================================================================
    /// <summary>
    /// import createNamedMatrixOfWideString from C (see api_string.h)
    /// </summary>
    [DllImport(API_SCILAB_DLL, CharSet = CharSet.Unicode)]
    public static extern api_Err createNamedMatrixOfWideString([In]IntPtr pvApiCtx,
                                                        [In] String _pstName,
                                                        [In] int _iRows, [In] int _iCols,
                                                        [In] String[] _pstStrings);
    //=============================================================================
    /// <summary>
    /// import createNamedMatrixOfDouble from C (see api_double.h)
    /// </summary>
    [DllImport(API_SCILAB_DLL, CharSet = CharSet.Ansi)]
    [return: MarshalAs(UnmanagedType.Struct)]
    public static extern api_Err createNamedMatrixOfDouble([In]IntPtr pvApiCtx, [In] String _pstName,
                                                        [In] int _iRows, [In] int _iCols,
                                                        [In] double[] _pdblReal);


    //=============================================================================
    /// <summary>
    /// import createNamedMatrixOfBoolean from C (see api_boolean.h)
    /// </summary>
    [DllImport(API_SCILAB_DLL, CharSet = CharSet.Ansi)]
    public static extern api_Err createNamedMatrixOfBoolean([In]IntPtr pvApiCtx, [In] String _pstName,
                                                        [In] int _iRows, [In] int _iCols,
                                                        [In] int[] _piBool);
    //=============================================================================
    /// <summary>
    /// import createNamedMatrixOfInteger32 from C (see api_int.h)
    /// </summary>
    [DllImport(API_SCILAB_DLL, CharSet = CharSet.Ansi)]
    public unsafe static extern api_Err createNamedMatrixOfInteger32([In]IntPtr pvApiCtx, [In] String _pstName,
                                                       [In] int _iRows, [In] int _iCols,
                                                       [In] int[] _piData);
    //=============================================================================
    /// <summary>
    /// import createNamedComplexMatrixOfDouble from C (see api_double.h)
    /// </summary>
    [DllImport(API_SCILAB_DLL, CharSet = CharSet.Ansi)]
    public unsafe static extern api_Err createNamedComplexMatrixOfDouble([In]IntPtr pvApiCtx, [In] String _pstName,
                                                        [In] int _iRows, [In] int _iCols,
                                                        [In] double[] _pdblReal,
                                                        [In] double[] _pdblImg);
    //=============================================================================
    /// <summary>
    /// import readNamedMatrixOfString from C (see api_string.h)
    /// </summary>
    [DllImport(API_SCILAB_DLL, CharSet = CharSet.Ansi)]
    public unsafe static extern api_Err readNamedMatrixOfString([In]IntPtr pvApiCtx, [In] String _pstName,
                                                      [Out]  Int32* _piRows, [Out]  Int32* _piCols,
                                                      [In, Out] int[] _piLength,
                                                      [In, Out] String[] _pstStrings);
    //=============================================================================
    /// <summary>
    /// import readNamedMatrixOfWideString from C (see api_string.h)
    /// </summary>
    [DllImport(API_SCILAB_DLL, CharSet = CharSet.Unicode)]
    public unsafe static extern api_Err readNamedMatrixOfWideString([In]IntPtr pvApiCtx, [In] String _pstName,
                                                      [Out]  Int32* _piRows, [Out]  Int32* _piCols,
                                                      [In, Out] int[] _piLength,
                                                      [In, Out] String[] _pstStrings);
    //=============================================================================
    /// <summary>
    /// import readNamedMatrixOfDouble from C (see api_double.h)
    /// </summary>
    [DllImport(API_SCILAB_DLL, CharSet = CharSet.Ansi)]
    public unsafe static extern api_Err readNamedMatrixOfDouble([In]IntPtr pvApiCtx, [In] String _pstName,
                                                      [Out] Int32* _piRows, [Out] Int32* _piCols,
                                                      [In, Out] Double[] _pdblReal);
    //=============================================================================
    /// <summary>
    /// import readNamedMatrixOfBoolean from C (see api_boolean.h)
    /// </summary>
    [DllImport(API_SCILAB_DLL, CharSet = CharSet.Ansi)]
    public unsafe static extern api_Err readNamedMatrixOfBoolean([In]IntPtr pvApiCtx, [In] String _pstName,
                                                      [Out] Int32* _piRows, [Out] Int32* _piCols,
                                                      [In, Out] int[] _piBool);
    //=============================================================================
    /// <summary>
    /// import readNamedMatrixOfInteger32 from C (see api_int.h)
    /// </summary>
    [DllImport(API_SCILAB_DLL, CharSet = CharSet.Ansi)]
    public unsafe static extern api_Err readNamedMatrixOfInteger32([In]IntPtr pvApiCtx, [In] String _pstName,
                                                      [Out] Int32* _piRows, [Out] Int32* _piCols,
                                                      [In, Out] int[] _piData);

    //=============================================================================
    /// <summary>
    /// import readNamedComplexMatrixOfDouble from C (see api_double.h)
    /// </summary>
    [DllImport(API_SCILAB_DLL, CharSet = CharSet.Ansi)]
    public unsafe static extern api_Err readNamedComplexMatrixOfDouble([In]IntPtr pvApiCtx, [In] String _pstName,
                                                    [Out] Int32* _piRows, [Out] Int32* _piCols,
                                                    [In, Out] double[] _pdblReal,
                                                    [In, Out] double[] _pdblImg);
    //=============================================================================
    /// <summary>
    /// get Variable Adress in scilab stack from name
    /// used for getNamedMatrixType (internal)
    /// </summary>
    /// <param name="_pstName">variable name</param>
    /// <param name="_piAddress"> stack address</param>
    /// <returns>1 if ok</returns>
    [DllImport(API_SCILAB_DLL, CharSet = CharSet.Ansi)]
    public unsafe static extern api_Err getVarAddressFromName([In]IntPtr pvApiCtx, [In] String _pstName,
                                                           [Out] Int32** _piAddress);
    //=============================================================================
    /// <summary>
    /// get Variable type in scilab stack from name
    /// </summary>
    /// <param name="_pstName">variable name</param>
    /// <returns>type or -1</returns>
    [DllImport(API_SCILAB_DLL, CharSet = CharSet.Ansi)]
    public unsafe static extern api_Err getNamedVarType([In]IntPtr pvApiCtx, [In] String _pstName, [Out]Int32* _piType);
    //=============================================================================
    /// <summary>
    /// get variable type with adress in scilab stack
    /// used for getNamedMatrixType (internal)
    /// </summary>
    /// <param name="_piAddress"> stack address</param>
    /// <returns>scilab type, 0 fails</returns>
    [DllImport(API_SCILAB_DLL, CharSet = CharSet.Ansi)]
    public unsafe static extern api_Err getVarType([In]IntPtr pvApiCtx, [In] Int32* _piAddress, [Out]Int32* _piType);
    //=============================================================================
    /// <summary>
    ///  Detect if a Scilab graphic window is opened
    /// </summary>
    /// <returns>0 (FALSE) or 1 (TRUE)</returns>
    [DllImport(GRAPHICS_DLL, CharSet = CharSet.Ansi)]
    public unsafe static extern int sciHasFigures();
    //=============================================================================
    /// <summary>
    ///  get last error code
    /// </summary>
    /// <returns>last error code</returns>
    [DllImport(OUTPUT_STREAM_DLL, CharSet = CharSet.Ansi)]
    public unsafe static extern int GetLastErrorCode();
    //=============================================================================
    /// <summary>
    ///  Get variable dimension
    /// </summary>
    /// import getNamedVarDimension from C (see api_common.h)
    /// <returns>int last error code</returns>
    [DllImport(API_SCILAB_DLL, CharSet = CharSet.Ansi)]
    public unsafe static extern api_Err getNamedVarDimension([In]IntPtr pvApiCtx, [In] String _pstName,
                               [Out] Int32* _piRows, [Out] Int32* _piCols);
    //=============================================================================
    /// <summary>
    ///  Get named complex information
    /// </summary>
    /// import isNamedVarComplex from C (see api_common.h)
    /// <returns>int if complex 1 otherwise 0</returns>
    [DllImport(API_SCILAB_DLL, CharSet = CharSet.Ansi)]
    public unsafe static extern int isNamedVarComplex([In]IntPtr pvApiCtx, [In] String _pstName);
    //=============================================================================

  }
}
//=============================================================================