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/* -----------------------------------------------------------------------------
* std_wstring.i
*
* Typemaps for std::wstring and const std::wstring&
* std::wstring is mapped to a C# Unicode string (UTF16) and is passed around by value.
* std::wstring support includes wchar_t as a 2 byte type (Windows) and a 4 byte type
* (most Unix systems).
*
* To use non-const std::wstring references use the following %apply. Note
* that they are passed by value.
* %apply const std::wstring & {std::wstring &};
* ----------------------------------------------------------------------------- */
%include <wchar.i>
%{
#include <string>
%}
%fragment("Swig_csharp_UTF16ToWString", "header") %{
/* For converting from .NET UTF16 (2 byte unicode) strings. wchar_t is 2 bytes on Windows, 4 bytes on Linux. */
static std::wstring Swig_csharp_UTF16ToWString(const unsigned short *str) {
if (sizeof(wchar_t) == 2) {
return std::wstring((wchar_t *)str);
} else {
const unsigned short *pBegin(str);
const unsigned short *ptr(pBegin);
while (*ptr != 0)
++ptr;
std::wstring result;
result.reserve(ptr - pBegin);
while(pBegin != ptr)
result.push_back(*pBegin++);
return result;
}
}
%}
namespace std {
%naturalvar wstring;
class wstring;
// wstring
%typemap(ctype, out="void *") wstring "unsigned short *"
%typemap(imtype,
inattributes="[global::System.Runtime.InteropServices.MarshalAs(global::System.Runtime.InteropServices.UnmanagedType.LPWStr)]",
outattributes="[return: global::System.Runtime.InteropServices.MarshalAs(global::System.Runtime.InteropServices.UnmanagedType.LPWStr)]",
directorinattributes="[global::System.Runtime.InteropServices.MarshalAs(global::System.Runtime.InteropServices.UnmanagedType.LPWStr)]",
directoroutattributes="[return: global::System.Runtime.InteropServices.MarshalAs(global::System.Runtime.InteropServices.UnmanagedType.LPWStr)]"
) wstring "string"
%typemap(cstype) wstring "string"
%typemap(csdirectorin) wstring "$iminput"
%typemap(csdirectorout) wstring "$cscall"
%typemap(in, canthrow=1, fragment="Swig_csharp_UTF16ToWString") wstring
%{ if (!$input) {
SWIG_CSharpSetPendingExceptionArgument(SWIG_CSharpArgumentNullException, "null wstring", 0);
return $null;
}
$1 = Swig_csharp_UTF16ToWString($input); %}
%typemap(out) wstring %{ $result = SWIG_csharp_wstring_with_length_callback($1.data(), (int)$1.size()); %}
%typemap(directorout, canthrow=1) wstring
%{ if (!$input) {
SWIG_CSharpSetPendingExceptionArgument(SWIG_CSharpArgumentNullException, "null wstring", 0);
return $null;
}
$result = Swig_csharp_UTF16ToWString($input); %}
%typemap(directorin) wstring %{ $input = SWIG_csharp_wstring_with_length_callback($1.data(), (int)$1.size()); %}
%typemap(csin) wstring "$csinput"
%typemap(csout, excode=SWIGEXCODE) wstring {
string ret = $imcall;$excode
return ret;
}
%typemap(typecheck) wstring = wchar_t *;
%typemap(throws, canthrow=1) wstring
%{ SWIG_csharp_ApplicationException_callback($1.data(), (int)$1.size());
return $null; %}
// const wstring &
%typemap(ctype, out="void *") const wstring & "unsigned short *"
%typemap(imtype,
inattributes="[global::System.Runtime.InteropServices.MarshalAs(global::System.Runtime.InteropServices.UnmanagedType.LPWStr)]",
outattributes="[return: global::System.Runtime.InteropServices.MarshalAs(global::System.Runtime.InteropServices.UnmanagedType.LPWStr)]",
directorinattributes="[global::System.Runtime.InteropServices.MarshalAs(global::System.Runtime.InteropServices.UnmanagedType.LPWStr)]",
directoroutattributes="[return: global::System.Runtime.InteropServices.MarshalAs(global::System.Runtime.InteropServices.UnmanagedType.LPWStr)]"
) const wstring & "string"
%typemap(cstype) const wstring & "string"
%typemap(csdirectorin) const wstring & "$iminput"
%typemap(csdirectorout) const wstring & "$cscall"
%typemap(in, canthrow=1, fragment="Swig_csharp_UTF16ToWString") const wstring &
%{ if (!$input) {
SWIG_CSharpSetPendingExceptionArgument(SWIG_CSharpArgumentNullException, "null wstring", 0);
return $null;
}
std::wstring $1_str(Swig_csharp_UTF16ToWString($input));
$1 = &$1_str; %}
%typemap(out) const wstring & %{ $result = SWIG_csharp_wstring_with_length_callback($1->data(), (int)$1->size()); %}
%typemap(csin) const wstring & "$csinput"
%typemap(csout, excode=SWIGEXCODE) const wstring & {
string ret = $imcall;$excode
return ret;
}
%typemap(directorout, canthrow=1, warning=SWIGWARN_TYPEMAP_THREAD_UNSAFE_MSG) const wstring &
%{ if (!$input) {
SWIG_CSharpSetPendingExceptionArgument(SWIG_CSharpArgumentNullException, "null wstring", 0);
return $null;
}
/* possible thread/reentrant code problem */
static std::wstring $1_str;
$1_str = Swig_csharp_UTF16ToWString($input);
$result = &$1_str; %}
%typemap(directorin) const wstring & %{ $input = SWIG_csharp_wstring_with_length_callback($1.data(), (int)$1.size()); %}
%typemap(csvarin, excode=SWIGEXCODE2) const wstring & %{
set {
$imcall;$excode
} %}
%typemap(csvarout, excode=SWIGEXCODE2) const wstring & %{
get {
string ret = $imcall;$excode
return ret;
} %}
%typemap(typecheck) const wstring & = wchar_t *;
%typemap(throws, canthrow=1) const wstring &
%{ SWIG_csharp_ApplicationException_callback($1.data(), (int)$1.size());
return $null; %}
}
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