/tags/rel-1.3.35/Lib/csharp/wchar.i

/* -----------------------------------------------------------------------------

 * See the LICENSE file for information on copyright, usage and redistribution

 * of SWIG, and the README file for authors - http://www.swig.org/release.html.

 *

 * wchar.i

 *

 * Typemaps for the wchar_t type

 * These are mapped to a C# String and are passed around by value.

 *

 * Support code for wide strings can be turned off by defining SWIG_CSHARP_NO_WSTRING_HELPER

 *

 * ----------------------------------------------------------------------------- */



#if !defined(SWIG_CSHARP_NO_WSTRING_HELPER)

#if !defined(SWIG_CSHARP_WSTRING_HELPER_)

#define SWIG_CSHARP_WSTRING_HELPER_

%insert(runtime) %{

/* Callback for returning strings to C# without leaking memory */

typedef void * (SWIGSTDCALL* SWIG_CSharpWStringHelperCallback)(const wchar_t *);

static SWIG_CSharpWStringHelperCallback SWIG_csharp_wstring_callback = NULL;

%}



%pragma(csharp) imclasscode=%{

  protected class SWIGWStringHelper {



    public delegate string SWIGWStringDelegate(IntPtr message);

    static SWIGWStringDelegate wstringDelegate = new SWIGWStringDelegate(CreateWString);



    [DllImport("$dllimport", EntryPoint="SWIGRegisterWStringCallback_$module")]

    public static extern void SWIGRegisterWStringCallback_$module(SWIGWStringDelegate wstringDelegate);



    static string CreateWString([MarshalAs(UnmanagedType.LPWStr)]IntPtr cString) {

      return System.Runtime.InteropServices.Marshal.PtrToStringUni(cString);

    }



    static SWIGWStringHelper() {

      SWIGRegisterWStringCallback_$module(wstringDelegate);

    }

  }



  static protected SWIGWStringHelper swigWStringHelper = new SWIGWStringHelper();

%}



%insert(runtime) %{

#ifdef __cplusplus

extern "C"

#endif

SWIGEXPORT void SWIGSTDCALL SWIGRegisterWStringCallback_$module(SWIG_CSharpWStringHelperCallback callback) {

  SWIG_csharp_wstring_callback = callback;

}

%}

#endif // SWIG_CSHARP_WSTRING_HELPER_

#endif // SWIG_CSHARP_NO_WSTRING_HELPER





// wchar_t

%typemap(ctype) wchar_t "wchar_t"

%typemap(imtype) wchar_t "char"

%typemap(cstype) wchar_t "char"



%typemap(csin) wchar_t "$csinput"

%typemap(csout, excode=SWIGEXCODE) wchar_t {

    char ret = $imcall;$excode

    return ret;

  }

%typemap(csvarin, excode=SWIGEXCODE2) wchar_t %{

    set {

      $imcall;$excode

    } %}

%typemap(csvarout, excode=SWIGEXCODE2) wchar_t %{

    get {

      char ret = $imcall;$excode

      return ret;

    } %}



%typemap(in) wchar_t %{ $1 = ($1_ltype)$input; %}

%typemap(out) wchar_t %{ $result = (wchar_t)$1; %}



%typemap(typecheck) wchar_t = char;



// wchar_t *

%typemap(ctype) wchar_t * "wchar_t *"

%typemap(imtype, inattributes="[MarshalAs(UnmanagedType.LPWStr)]", out="IntPtr" ) wchar_t * "string"

%typemap(cstype) wchar_t * "string"



%typemap(csin) wchar_t * "$csinput"

%typemap(csout, excode=SWIGEXCODE) wchar_t * {

    string ret = System.Runtime.InteropServices.Marshal.PtrToStringUni($imcall);$excode

    return ret;

  }

%typemap(csvarin, excode=SWIGEXCODE2) wchar_t * %{

    set {

      $imcall;$excode

    } %}

%typemap(csvarout, excode=SWIGEXCODE2) wchar_t * %{

    get {

      string ret = $imcall;$excode

      return ret;

    } %}



%typemap(in) wchar_t * %{ $1 = ($1_ltype)$input; %}

%typemap(out) wchar_t * %{ $result = (wchar_t *)$1; %}



%typemap(typecheck) wchar_t * = char *;