add wstring/wchar_t support
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@5829 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
Marcelo Matus
parent
39e2071d68
commit
459e527647
6 changed files with 720 additions and 262 deletions
374
Lib/python/pywstrings.swg
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374
Lib/python/pywstrings.swg
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/* ------------------------------------------------------------
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* utility methods for wstrings handling
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* ------------------------------------------------------------ */
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%types(wchar_t *);
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%{
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#include <wchar.h>
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%}
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%fragment("SWIG_AsWCharPtrAndSize","header") %{
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SWIGSTATIC(int)
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SWIG_AsWCharPtrAndSize(PyObject *obj, wchar_t **cptr, size_t *psize)
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{
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static swig_type_info* pwchar_info = 0;
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wchar_t * vptr = 0;
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if (!pwchar_info) pwchar_info = SWIG_TypeQuery("wchar_t *");
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if (SWIG_ConvertPtr(obj, (void**)&vptr, pwchar_info, 0) != -1) {
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if (cptr) *cptr = vptr;
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if (psize) *psize = vptr ? (wcslen(vptr) + 1) : 0;
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return SWIG_OLDOBJ;
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} else {
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int isunicode = PyUnicode_Check(obj);
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if (isunicode || PyString_Check(obj)) {
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if (cptr) {
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int size = isunicode ? PyUnicode_GetSize(obj) : PyString_Size(obj);
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wchar_t *nptr = swig_new_array(size + 1, wchar_t);
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PyUnicodeObject *uni = (PyUnicodeObject *)PyUnicode_FromObject(obj);
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PyUnicode_AsWideChar(uni, nptr, size);
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nptr[size] = 0;
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*cptr = nptr;
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if (psize) {
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*psize = (size_t) size + 1;
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}
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Py_DECREF(uni);
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}
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return SWIG_NEWOBJ;
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}
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}
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if (cptr) {
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PyErr_SetString(PyExc_TypeError, "a wchar_t * is expected");
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}
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return 0;
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}
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%}
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%fragment("SWIG_AsWCharPtr","header",
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fragment="SWIG_AsWCharPtrAndSize") %{
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SWIGSTATICINLINE(int)
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SWIG_AsWCharPtr(PyObject *obj, wchar_t **val)
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{
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wchar_t * cptr = 0;
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int res = 0;
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if ((res = SWIG_AsWCharPtrAndSize(obj, &cptr, (size_t*)(0)))) {
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if (val) *val = cptr;
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return res;
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}
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if (val) {
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PyErr_SetString(PyExc_TypeError, "a wchar_t * is expected");
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}
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return 0;
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}
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%}
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%fragment("SWIG_FromWCharPtr","header") %{
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SWIGSTATICINLINE(PyObject *)
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SWIG_FromWCharPtr(const wchar_t * cptr)
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{
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if (cptr) {
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size_t size = wcslen(cptr);
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if (size > INT_MAX) {
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return SWIG_NewPointerObj(swig_const_cast(cptr,wchar_t *),
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SWIG_TypeQuery("wchar_t *"), 0);
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} else {
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return PyUnicode_FromWideChar(cptr, size);
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}
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}
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Py_INCREF(Py_None);
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return Py_None;
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}
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%}
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%fragment("SWIG_AsNewWCharPtr","header",
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fragment="SWIG_AsWCharPtrAndSize") %{
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SWIGSTATIC(int)
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SWIG_AsNewWCharPtr(PyObject *obj, wchar_t **val)
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{
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wchar_t * cptr = 0; size_t csize = 0;
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int res = SWIG_AsWCharPtrAndSize(obj, &cptr, &csize);
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if (res) {
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if (val) {
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if (csize) {
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*val = swig_new_array(csize, wchar_t);
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memcpy(*val, cptr, (--csize)*sizeof(wchar_t));
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(*val)[csize] = 0;
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} else if (cptr) {
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*val = swig_new_array(1, wchar_t);
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(*val)[0] = 0;
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} else {
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*val = 0;
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}
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}
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return SWIG_NEWOBJ;
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}
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if (val) {
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PyErr_SetString(PyExc_TypeError, "a wchar_t * is expected");
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}
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return 0;
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}
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%}
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%fragment("SWIG_AsWCharArray","header",
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fragment="SWIG_AsWCharPtrAndSize") %{
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SWIGSTATIC(int)
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SWIG_AsWCharArray(PyObject *obj, wchar_t *val, size_t size)
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{
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wchar_t * cptr; size_t csize;
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if (SWIG_AsWCharPtrAndSize(obj, &cptr, &csize)) {
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if ((csize == size + 1) && !(cptr[csize-1])) --csize;
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if (csize <= size) {
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if (val) {
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if (csize) memcpy(val, cptr, csize*sizeof(wchar_t));
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if (csize < size) memset(val+csize, 0, (size-csize)*sizeof(wchar_t));
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}
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return 1;
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}
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}
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if (val) {
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PyErr_Format(PyExc_TypeError,
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"a wchar_t array of maximum size %d is expected",
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size);
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}
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return 0;
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}
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%}
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%fragment("SWIG_FromWCharArray","header") %{
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SWIGSTATICINLINE(PyObject *)
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SWIG_FromWCharArray(const wchar_t * carray, size_t size)
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{
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if (size > INT_MAX) {
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SWIG_NewPointerObj(swig_const_cast(carray,wchar_t *), SWIG_TypeQuery("wchar_t *"), 0);
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return Py_None;
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} else {
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return PyUnicode_FromWideChar(carray, swig_numeric_cast(size,int));
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}
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}
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%}
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/* ------------------------------------------------------------
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* The plain wchar_t * handling
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* ------------------------------------------------------------ */
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/* in */
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%typemap(in,fragment="SWIG_AsWCharPtr")
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wchar_t *, wchar_t const*, wchar_t *const, wchar_t const *const
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"if (!SWIG_AsWCharPtr($input, (wchar_t **)&$1)) SWIG_fail;";
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%typemap(in,fragment="SWIG_AsWCharPtr")
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wchar_t const*&, wchar_t *const&, wchar_t const *const &
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{
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$*ltype temp;
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if (!SWIG_AsWCharPtr($input, (wchar_t **)&temp)) SWIG_fail;
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$1 = &temp;
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}
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/* out */
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%typemap(out,fragment="SWIG_FromWCharPtr")
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wchar_t *, wchar_t const*, wchar_t *const, wchar_t const *const
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"$result = SWIG_FromWCharPtr($1);";
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%typemap(out,fragment="SWIG_FromWCharPtr")
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wchar_t *const &, wchar_t const* &, wchar_t const *const &
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"$result = SWIG_FromWCharPtr(*$1);";
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/* varin */
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%typemap(varin,fragment="SWIG_AsNewWCharPtr") wchar_t *
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{
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wchar_t *cptr = 0;
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if (!SWIG_AsNewWCharPtr($input, &cptr)) {
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PyErr_Clear();
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PyErr_SetString(PyExc_TypeError, "C variable '$name ($1_ltype)'");
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return 1;
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}
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if ($1) swig_delete_array($1);
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$1 = cptr;
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}
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%typemap(varin,fragment="SWIG_AsNewWCharPtr",
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warning="451:Setting const wchar_t * variable may leak memory")
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const wchar_t *
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{
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wchar_t *cptr;
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if (!SWIG_AsNewWCharPtr($input, &cptr)) {
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PyErr_Clear();
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PyErr_SetString(PyExc_TypeError, "C variable '$name ($1_ltype)'");
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return 1;
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}
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$1 = cptr;
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}
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/* varout */
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%typemap(varout,fragment="SWIG_FromWCharPtr")
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wchar_t *, wchar_t const*, wchar_t *const, wchar_t const *const
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"$result = SWIG_FromWCharPtr($1);";
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/* constant */
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%typemap(constcode,fragment="SWIG_FromWCharPtr")
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wchar_t *, wchar_t const*, wchar_t * const, wchar_t const* const
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"PyDict_SetItemString(d,\"$symname\", SWIG_FromWCharPtr($value));";
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/* directorin */
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%typemap(directorin,fragment="SWIG_FromWCharPtr")
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wchar_t *, wchar_t const*, wchar_t *const, wchar_t const *const,
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wchar_t const *&, wchar_t *const &, wchar_t const *const &
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"$input = SWIG_NewPointerObj((wchar_t *)($1_name), $descriptor(wchar_t *), 0);"
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/* "$input = SWIG_FromWCharPtr($1_name);"; */
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/* directorout */
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%typemap(directorout,fragment="SWIG_AsWCharPtr")
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wchar_t *, wchar_t const*, wchar_t *const, wchar_t const* const
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"if (!SWIG_AsWCharPtr($input, (wchar_t **) &$result)) {
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Swig::DirectorTypeMismatchException(\"Error converting Python object into wchar_t *\");
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}";
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%typemap(directorout,fragment="SWIG_AsWCharPtr")
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wchar_t const *&, wchar_t *const &, wchar_t const *const &
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{
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wchar_t * temp;
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if (!SWIG_AsWCharPtr($input, &temp)) {
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Swig::DirectorTypeMismatchException("Error converting Python object into wchar_t *");
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}
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$result = ($1_ltype) &temp;
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}
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/* typecheck */
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%typemap(typecheck,precedence=SWIG_TYPECHECK_STRING,
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fragment="SWIG_AsWCharPtr")
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wchar_t *, wchar_t const*, wchar_t *const, wchar_t const *const,
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wchar_t const*&, wchar_t *const&, wchar_t const *const &
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"$1 = SWIG_AsWCharPtr($input, (wchar_t **)(0));";
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/* throws */
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%typemap(throws,fragment="SWIG_FromWCharPtr")
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wchar_t *, wchar_t const*, wchar_t * const, wchar_t const* const
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{
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PyErr_SetObject(PyExc_RuntimeError, SWIG_FromWCharPtr($1));
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SWIG_fail;
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}
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/* ------------------------------------------------------------
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* Fix size wcharacter array wchar_t[ANY] handling
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* ------------------------------------------------------------ */
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/* memberin and globalin typemaps */
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%typemap(memberin) wchar_t [ANY]
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{
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if ($input) memcpy($1,$input,$1_dim0*sizeof(wchar_t));
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else memset($1,0,$1_dim0*sizeof(wchar_t));
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}
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%typemap(globalin) wchar_t [ANY]
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{
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if ($input) memcpy($1,$input,$1_dim0*sizeof(wchar_t));
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else memset($1,0,$1_dim0*sizeof(wchar_t));
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}
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/* in */
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%typemap(in,fragment="SWIG_AsWCharArray")
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wchar_t [ANY], const wchar_t [ANY]
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{
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wchar_t temp[$1_dim0];
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if (!SWIG_AsWCharArray($input, temp, $1_dim0)) SWIG_fail;
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$1 = temp;
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}
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/* out */
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%typemap(out,fragment="SWIG_FromWCharArray")
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wchar_t [ANY], const wchar_t [ANY]
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"$result = SWIG_FromWCharArray($1, $1_dim0);";
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/* varin */
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%typemap(varin,fragment="SWIG_AsWCharArray")
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wchar_t [ANY]
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{
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if (!SWIG_AsWCharArray($input, $1, $1_dim0)) {
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PyErr_Clear();
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PyErr_SetString(PyExc_TypeError, "C variable '$name ($1_ltype)'");
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return 1;
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}
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}
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/* varout */
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%typemap(varout,fragment="SWIG_FromWCharArray")
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wchar_t [ANY], const wchar_t [ANY]
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"$result = SWIG_FromWCharArray($1, $1_dim0);";
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/* constants */
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%typemap(constcode,fragment="SWIG_FromWCharArray")
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wchar_t [ANY], const wchar_t [ANY]
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"PyDict_SetItemString(d,\"$symname\", SWIG_FromWCharArray($value, $value_dim0));";
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/* directorin */
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%typemap(directorin,fragment="SWIG_FromWCharArray")
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wchar_t [ANY], const wchar_t [ANY]
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"$input = SWIG_FromWCharArray($1_name, $1_dim0);";
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/* directorout */
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%typemap(directorout,fragment="SWIG_AsWCharArray")
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wchar_t [ANY], const wchar_t [ANY] (wchar_t temp[$result_dim0])
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{
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if (!SWIG_AsWCharArray($input, temp, $result_dim0)) {
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Swig::DirectorTypeMismatchException("Error converting Python object into wchar_t[$result_dim0]");
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}
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$result = temp;
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}
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/* typecheck */
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%typemap(typecheck,precedence=SWIG_TYPECHECK_STRING,
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fragment="SWIG_AsWCharArray")
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wchar_t [ANY], const wchar_t[ANY]
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{
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return SWIG_AsWCharArray($input, (wchar_t **)0, (size_t *)0);
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}
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/* throw */
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%typemap(throws,fragment="SWIG_FromWCharArray")
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wchar_t[ANY], const wchar_t[ANY] {
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PyErr_SetObject(PyExc_RuntimeError, SWIG_FromWCharArray($1,$1_dim0));
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SWIG_fail;
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}
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/* ------------------------------------------------------------
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* --- String & length ---
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* ------------------------------------------------------------ */
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/* Here len doesn't include the '0' terminator */
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%typemap(in, fragment="SWIG_AsWCharPtrAndSize")
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(wchar_t *STRING, int LENGTH) (wchar_t *buf, size_t size)
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{
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int res = SWIG_AsWCharPtrAndSize($input, &buf, &size);
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if (!res) SWIG_fail;
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$1 = ($1_ltype) buf;
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$2 = ($2_ltype) size - 1;
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}
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/* Here size includes the '0' terminator */
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%typemap(in,fragment="SWIG_AsWCharPtrAndSize")
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(wchar_t *STRING, int SIZE) (wchar_t *buf, size_t size)
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{
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if (!SWIG_AsWCharPtrAndSize($input, &buf, &size)) SWIG_fail;
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$1 = ($1_ltype) buf;
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$2 = ($2_ltype) size;
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}
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