[wxWidgets.git] / wxPython / src / streams.i

/////////////////////////////////////////////////////////////////////////////
// Name:        streams.i
// Purpose:     SWIG definitions of the wxFileSystem family of classes
//
// Author:      Joerg Baumann
//
// Created:     25-Sept-2000
// RCS-ID:      $Id$
// Copyright:   (c) 2000 by Joerg Baumann
// Licence:     wxWindows license
/////////////////////////////////////////////////////////////////////////////

%module streams

%{
#include "helpers.h"
#include <wx/stream.h>
#include <wx/list.h>
%}

//----------------------------------------------------------------------

%include typemaps.i
%include my_typemaps.i

// Import some definitions of other classes, etc.
%import _defs.i

%pragma(python) code = "import wx"
%pragma(python) code = "import string"

//----------------------------------------------------------------------
// typemaps for wxInputStream
%typemap(python,in) wxInputStream *stream {
    if (PyInstance_Check($source)) {
        wxPyInputStream* ptr;
        if (SWIG_GetPtrObj($source, (void **) &ptr,"_wxPyInputStream_p")) {
            PyErr_SetString(PyExc_TypeError,"Expected _wxInputStream_p.");
            return NULL;
        }
        $target = ptr->wxi;
    } else {
        PyErr_SetString(PyExc_TypeError,"Expected _wxInputStream_p.");
        return NULL;
    }
}


// typemaps for wxInputStream
%typemap(python,out) wxInputStream* {
    wxPyInputStream * _ptr = NULL;

    if ($source) {
        _ptr = new wxPyInputStream($source);
    }
    if (_ptr) {
        char    swigptr[64];
        SWIG_MakePtr(swigptr, _ptr, "_wxPyInputStream_p");

        PyObject* classobj = PyDict_GetItemString(wxPython_dict, "wxInputStreamPtr");
        if (! classobj) {
            Py_INCREF(Py_None);
            $target = Py_None;
        } else {
            PyObject* arg = Py_BuildValue("(s)", swigptr);
            $target = PyInstance_New(classobj, arg, NULL);
            Py_DECREF(arg);

            // set ThisOwn
            PyObject_SetAttrString($target, "thisown", PyInt_FromLong(1));
        }
    } else {
        Py_INCREF(Py_None);
        $target = Py_None;
    }
}

//----------------------------------------------------------------------

%{  // C++
// definitions of wxStringPtrList and wxPyInputStream
#include <wx/listimpl.cpp>
WX_DEFINE_LIST(wxStringPtrList);


void wxPyInputStream::close() {
    /* do nothing */
}

void wxPyInputStream::flush() {
    /*do nothing*/
}

bool wxPyInputStream::eof() {
    if (wxi)
        return wxi->Eof();
    else
        return TRUE;
}

wxPyInputStream::~wxPyInputStream() {
    /*do nothing*/
}

wxString* wxPyInputStream::read(int size) {
    wxString* s = NULL;
    const int BUFSIZE = 1024;

    // check if we have a real wxInputStream to work with
    if (!wxi) {
        PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream below");
        return NULL;
    }

    if (size < 0) {
        // init buffers
        char * buf = new char[BUFSIZE];
        if (!buf) {
            PyErr_NoMemory();
            return NULL;
        }

        s = new wxString();
        if (!s) {
            delete buf;
            PyErr_NoMemory();
            return NULL;
        }

        // read until EOF
        wxPy_BEGIN_ALLOW_THREADS;
        while (! wxi->Eof()) {
            wxi->Read(buf, BUFSIZE);
            //*s += wxString(buf, wxi->LastRead());
            s->Append(buf, wxi->LastRead());
        }
        delete buf;
        wxPy_END_ALLOW_THREADS;

        // error check
        if (wxi->LastError() == wxSTREAM_READ_ERROR) {
            delete s;
            PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
            return NULL;
        }

    } else {  // Read only size number of characters
        s = new wxString;
        if (!s) {
            PyErr_NoMemory();
            return NULL;
        }

        // read size bytes
        wxPy_BEGIN_ALLOW_THREADS;
        wxi->Read(s->GetWriteBuf(size+1), size);
        s->UngetWriteBuf(wxi->LastRead());
        wxPy_END_ALLOW_THREADS;

        // error check
        if (wxi->LastError() == wxSTREAM_READ_ERROR) {
            delete s;
            PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
            return NULL;
        }
    }
    return s;
}


wxString* wxPyInputStream::readline (int size) {
    // check if we have a real wxInputStream to work with
    if (!wxi) {
        PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream below");
        return NULL;
    }

    // init buffer
    int i;
    char ch;
    wxString* s = new wxString;
    if (!s) {
        PyErr_NoMemory();
        return NULL;
    }

    // read until \n or byte limit reached
    wxPy_BEGIN_ALLOW_THREADS;
    for (i=ch=0; (ch != '\n') && (!wxi->Eof()) && ((size < 0) || (i < size)); i++) {
        *s += ch = wxi->GetC();
    }
    wxPy_END_ALLOW_THREADS;

    // errorcheck
    if (wxi->LastError() == wxSTREAM_READ_ERROR) {
        delete s;
        PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
        return NULL;
    }
    return s;
}


wxStringPtrList* wxPyInputStream::readlines (int sizehint) {
    // check if we have a real wxInputStream to work with
    if (!wxi) {
        PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream below");
        return NULL;
    }

    // init list
    wxStringPtrList* l = new wxStringPtrList();
    if (!l) {
        PyErr_NoMemory();
        return NULL;
    }

    // read sizehint bytes or until EOF
    wxPy_BEGIN_ALLOW_THREADS;
    int i;
    for (i=0; (!wxi->Eof()) && ((sizehint < 0) || (i < sizehint));) {
        wxString* s = readline();
        if (s == NULL) {
            l->DeleteContents(TRUE);
            l->Clear();
            return NULL;
        }
        l->Append(s);
        i = i + s->Length();
    }
    wxPy_END_ALLOW_THREADS;

    // error check
    if (wxi->LastError() == wxSTREAM_READ_ERROR) {
        l->DeleteContents(TRUE);
        l->Clear();
        PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
        return NULL;
    }
    return l;
}


void wxPyInputStream::seek(int offset, int whence) {
    if (wxi)
        wxi->SeekI(offset, wxSeekMode(whence));
}

int wxPyInputStream::tell(){
    if (wxi)
        return wxi->TellI();
}


// wxInputStream which operates on a Python file-like object
class wxPyCBInputStream : public wxInputStream {
protected:
    PyObject* read;
    PyObject* seek;
    PyObject* tell;
    PyObject* py;

    virtual size_t OnSysRead(void *buffer, size_t bufsize) {
        if (bufsize == 0)
            return 0;

        bool doSave = wxPyRestoreThread();
        PyObject* arglist = Py_BuildValue("(i)", bufsize);
        PyObject* result = PyEval_CallObject(read, arglist);
        Py_DECREF(arglist);

        size_t o = 0;
        if ((result != NULL) && PyString_Check(result)) {
            o = PyString_Size(result);
            if (o == 0)
                m_lasterror = wxSTREAM_EOF;
            if (o > bufsize)
                o = bufsize;
            strncpy((char*)buffer, PyString_AsString(result), o);
            Py_DECREF(result);

        }
        else
            m_lasterror = wxSTREAM_READ_ERROR;
        wxPySaveThread(doSave);
        m_lastcount = o;
        return o;
    }

    virtual size_t OnSysWrite(const void *buffer, size_t bufsize){
        m_lasterror = wxSTREAM_WRITE_ERROR;
        return 0;
    }

    virtual off_t OnSysSeek(off_t off, wxSeekMode mode){
        bool doSave = wxPyRestoreThread();
        PyObject*arglist = Py_BuildValue("(ii)", off, mode);
        PyObject*result = PyEval_CallObject(seek, arglist);
        Py_DECREF(arglist);
        Py_XDECREF(result);
        wxPySaveThread(doSave);
        return OnSysTell();
    }

    virtual off_t OnSysTell() const{
        bool doSave = wxPyRestoreThread();
        PyObject* arglist = Py_BuildValue("()");
        PyObject* result = PyEval_CallObject(tell, arglist);
        Py_DECREF(arglist);
        off_t o = 0;
        if (result != NULL) {
            o = PyInt_AsLong(result);
            Py_DECREF(result);
        };
        wxPySaveThread(doSave);
        return o;
    }

    wxPyCBInputStream(PyObject *p, PyObject *r, PyObject *s, PyObject *t)
        : py(p), read(r), seek(s), tell(t)
        {}

public:
    ~wxPyCBInputStream() {
        bool doSave = wxPyRestoreThread();
        Py_XDECREF(py);
        Py_XDECREF(read);
        Py_XDECREF(seek);
        Py_XDECREF(tell);
        wxPySaveThread(doSave);
    }

    virtual size_t GetSize() {
        if (seek && tell) {
            off_t temp = OnSysTell();
            off_t ret = OnSysSeek(0, wxFromEnd);
            OnSysSeek(temp, wxFromStart);
            return ret;
        }
        else
            return 0;
    }

    static wxPyCBInputStream* create(PyObject *py) {
        PyObject* read;
        PyObject* seek;
        PyObject* tell;

        if (!PyInstance_Check(py) && !PyFile_Check(py)) {
            PyErr_SetString(PyExc_TypeError, "Not a file-like object");
            Py_XDECREF(py);
            return NULL;
        }
        read = getMethod(py, "read");
        seek = getMethod(py, "seek");
        tell = getMethod(py, "tell");

        if (!read) {
            PyErr_SetString(PyExc_TypeError, "Not a file-like object");
            Py_XDECREF(py);
            Py_XDECREF(read);
            Py_XDECREF(seek);
            Py_XDECREF(tell);
            return NULL;
        }
        return new wxPyCBInputStream(py, read, seek, tell);
    }

    static PyObject* getMethod(PyObject* py, char* name) {
        if (!PyObject_HasAttrString(py, name))
            return NULL;
        PyObject* o = PyObject_GetAttrString(py, name);
        if (!PyMethod_Check(o) && !PyCFunction_Check(o))
            return NULL;
        return o;
    }

protected:

};

%}  // End of the C++
//----------------------------------------------------------------------


// block threads for wxPyInputStream  ****  WHY?
%except(python) {
    $function
}


// wxStringPtrList* to python list of strings typemap
%typemap(python, out) wxStringPtrList* {
    if ($source) {
        $target = PyList_New($source->GetCount());
        wxStringPtrList::Node *node = $source->GetFirst();
        for (int i=0; node; i++) {
            wxString *s = node->GetData();
            PyList_SetItem($target, i, PyString_FromStringAndSize(s->c_str(), s->Len()));
            node = node->GetNext();
            delete s;
        }
        delete $source;
    }
    else
        $target=0;
}


// transport exceptions via %target=0
%typemap(python, out) wxPyInputStream* {
    char _ptemp[128];
    if ($source) {
        SWIG_MakePtr(_ptemp, (char *) $source,"_wxPyInputStream_p");
        $target = Py_BuildValue("s",_ptemp);
    }
    else
        $target=0;
}


// transport exceptions via %target=0
%typemap(python, out) wxString* {
    if ($source) {
        $target = PyString_FromStringAndSize($source->c_str(), $source->Len());
        delete $source;
    }
    else
        $target=0;
}


%name(wxInputStream) class wxPyInputStream {
public:
    %addmethods {
        wxPyInputStream(PyObject* p) {
            wxInputStream* wxi = wxPyCBInputStream::create(p);
            if (wxi)
                return new wxPyInputStream(wxi);
            else
                return NULL;
        }
    }
    void close();
    void flush();
    bool eof();
    wxString* read(int size=-1);
    wxString* readline(int size=-1);
    wxStringPtrList* readlines(int sizehint=-1);
    void seek(int offset, int whence=0);
    int tell();
    /*
      bool isatty();
      int fileno();
      void truncate(int size=-1);
      void write(wxString data);
      void writelines(wxStringPtrList);
    */
}


// TODO:  make a more fully implemented file interface...
class wxOutputStream {
public:
    /*
      void close();
      void flush();
      wxString* read(int size=-1);
      wxString* readline(int size=-1);
      wxStringPtrList* readlines(int sizehint=-1);
      void seek(int offset, int whence=0);
      int tell();
      bool isatty();
      int fileno();
      void truncate(int size=-1);
      void write(wxString data);
      void writelines(wxStringPtrList);
    */

    %addmethods {
        void write(const wxString& str) {
            self->Write(str.c_str(), str.Length());
        }
    }
};


// restore except and typemaps
%typemap(python,out) wxStringPtrList*;
%typemap(python,out) wxPyInputStream*;
%typemap(python, out) wxString* {
    $target = PyString_FromStringAndSize($source->c_str(), $source->Len());
}
%except(python) {
    wxPy_BEGIN_ALLOW_THREADS;
    $function
    wxPy_END_ALLOW_THREADS;
}
Commit	Line	Data
c368d904 RD	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: streams.i
	3	// Purpose: SWIG definitions of the wxFileSystem family of classes
	4	//
	5	// Author: Joerg Baumann
	6	//
	7	// Created: 25-Sept-2000
	8	// RCS-ID: $Id$
	9	// Copyright: (c) 2000 by Joerg Baumann
	10	// Licence: wxWindows license
	11	/////////////////////////////////////////////////////////////////////////////
	12
	13	%module streams
	14
	15	%{
	16	#include "helpers.h"
	17	#include <wx/stream.h>
	18	#include <wx/list.h>
	19	%}
	20
	21	//----------------------------------------------------------------------
	22
	23	%include typemaps.i
	24	%include my_typemaps.i
	25
	26	// Import some definitions of other classes, etc.
	27	%import _defs.i
	28
	29	%pragma(python) code = "import wx"
	30	%pragma(python) code = "import string"
	31
	32	//----------------------------------------------------------------------
	33	// typemaps for wxInputStream
	34	%typemap(python,in) wxInputStream *stream {
	35	if (PyInstance_Check($source)) {
	36	wxPyInputStream* ptr;
	37	if (SWIG_GetPtrObj($source, (void **) &ptr,"_wxPyInputStream_p")) {
	38	PyErr_SetString(PyExc_TypeError,"Expected _wxInputStream_p.");
	39	return NULL;
	40	}
	41	$target = ptr->wxi;
	42	} else {
	43	PyErr_SetString(PyExc_TypeError,"Expected _wxInputStream_p.");
	44	return NULL;
	45	}
	46	}
	47
	48
	49	// typemaps for wxInputStream
	50	%typemap(python,out) wxInputStream* {
	51	wxPyInputStream * _ptr = NULL;
	52
	53	if ($source) {
	54	_ptr = new wxPyInputStream($source);
	55	}
	56	if (_ptr) {
	57	char swigptr[64];
	58	SWIG_MakePtr(swigptr, _ptr, "_wxPyInputStream_p");
	59
	60	PyObject* classobj = PyDict_GetItemString(wxPython_dict, "wxInputStreamPtr");
	61	if (! classobj) {
	62	Py_INCREF(Py_None);
	63	$target = Py_None;
	64	} else {
65	PyObject* arg = Py_BuildValue("(s)", swigptr);
66	$target = PyInstance_New(classobj, arg, NULL);
67	Py_DECREF(arg);
68
69	// set ThisOwn
70	PyObject_SetAttrString($target, "thisown", PyInt_FromLong(1));
71	}
72	} else {
73	Py_INCREF(Py_None);
74	$target = Py_None;
75	}
76	}
77
78	//----------------------------------------------------------------------
79
80	%{ // C++
81	// definitions of wxStringPtrList and wxPyInputStream
82	#include <wx/listimpl.cpp>
83	WX_DEFINE_LIST(wxStringPtrList);
84
85
86	void wxPyInputStream::close() {
87	/* do nothing */
88	}
89
90	void wxPyInputStream::flush() {
91	/do nothing/
92	}
93
94	bool wxPyInputStream::eof() {
95	if (wxi)
96	return wxi->Eof();
97	else
98	return TRUE;
99	}
100
101	wxPyInputStream::~wxPyInputStream() {
102	/do nothing/
103	}
104
105	wxString* wxPyInputStream::read(int size) {
106	wxString* s = NULL;
107	const int BUFSIZE = 1024;
108
109	// check if we have a real wxInputStream to work with
110	if (!wxi) {
111	PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream below");
112	return NULL;
113	}
114
115	if (size < 0) {
116	// init buffers
117	char * buf = new char[BUFSIZE];
118	if (!buf) {
119	PyErr_NoMemory();
120	return NULL;
121	}
122
123	s = new wxString();
124	if (!s) {
125	delete buf;
126	PyErr_NoMemory();
127	return NULL;
128	}
129
130	// read until EOF
131	wxPy_BEGIN_ALLOW_THREADS;
132	while (! wxi->Eof()) {
133	wxi->Read(buf, BUFSIZE);
134	//*s += wxString(buf, wxi->LastRead());
135	s->Append(buf, wxi->LastRead());
136	}
137	delete buf;
138	wxPy_END_ALLOW_THREADS;
139
140	// error check
141	if (wxi->LastError() == wxSTREAM_READ_ERROR) {
142	delete s;
143	PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
144	return NULL;
145	}
146
147	} else { // Read only size number of characters
148	s = new wxString;
149	if (!s) {
150	PyErr_NoMemory();
151	return NULL;
152	}
153
154	// read size bytes
155	wxPy_BEGIN_ALLOW_THREADS;
156	wxi->Read(s->GetWriteBuf(size+1), size);
157	s->UngetWriteBuf(wxi->LastRead());
158	wxPy_END_ALLOW_THREADS;
159
160	// error check
161	if (wxi->LastError() == wxSTREAM_READ_ERROR) {
162	delete s;
163	PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
164	return NULL;
165	}
166	}
167	return s;
168	}
169
170
171	wxString* wxPyInputStream::readline (int size) {
172	// check if we have a real wxInputStream to work with
173	if (!wxi) {
174	PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream below");
175	return NULL;
176	}
177
178	// init buffer
179	int i;
180	char ch;
181	wxString* s = new wxString;
182	if (!s) {
183	PyErr_NoMemory();
184	return NULL;
185	}
186
187	// read until \n or byte limit reached
188	wxPy_BEGIN_ALLOW_THREADS;
189	for (i=ch=0; (ch != '\n') && (!wxi->Eof()) && ((size < 0) \|\| (i < size)); i++) {
190	*s += ch = wxi->GetC();
191	}
192	wxPy_END_ALLOW_THREADS;
193
194	// errorcheck
195	if (wxi->LastError() == wxSTREAM_READ_ERROR) {
196	delete s;
197	PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
198	return NULL;
199	}
200	return s;
201	}
202
203
204	wxStringPtrList* wxPyInputStream::readlines (int sizehint) {
205	// check if we have a real wxInputStream to work with
206	if (!wxi) {
207	PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream below");
208	return NULL;
209	}
210
211	// init list
212	wxStringPtrList* l = new wxStringPtrList();
213	if (!l) {
214	PyErr_NoMemory();
215	return NULL;
216	}
217
218	// read sizehint bytes or until EOF
219	wxPy_BEGIN_ALLOW_THREADS;
220	int i;
221	for (i=0; (!wxi->Eof()) && ((sizehint < 0) \|\| (i < sizehint));) {
222	wxString* s = readline();
223	if (s == NULL) {
224	l->DeleteContents(TRUE);
225	l->Clear();
226	return NULL;
227	}
228	l->Append(s);
229	i = i + s->Length();
230	}
231	wxPy_END_ALLOW_THREADS;
232
233	// error check
234	if (wxi->LastError() == wxSTREAM_READ_ERROR) {
235	l->DeleteContents(TRUE);
236	l->Clear();
237	PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
238	return NULL;
239	}
240	return l;
241	}
242
243
244	void wxPyInputStream::seek(int offset, int whence) {
245	if (wxi)
246	wxi->SeekI(offset, wxSeekMode(whence));
247	}
248
249	int wxPyInputStream::tell(){
250	if (wxi)
251	return wxi->TellI();
252	}
253
254
255
256	// wxInputStream which operates on a Python file-like object
257	class wxPyCBInputStream : public wxInputStream {
258	protected:
259	PyObject* read;
260	PyObject* seek;
261	PyObject* tell;
262	PyObject* py;
263
264	virtual size_t OnSysRead(void *buffer, size_t bufsize) {
265	if (bufsize == 0)
266	return 0;
267
268	bool doSave = wxPyRestoreThread();
269	PyObject* arglist = Py_BuildValue("(i)", bufsize);
270	PyObject* result = PyEval_CallObject(read, arglist);
271	Py_DECREF(arglist);
272
273	size_t o = 0;
274	if ((result != NULL) && PyString_Check(result)) {
275	o = PyString_Size(result);
276	if (o == 0)
277	m_lasterror = wxSTREAM_EOF;
278	if (o > bufsize)
279	o = bufsize;
280	strncpy((char*)buffer, PyString_AsString(result), o);
281	Py_DECREF(result);
282
283	}
284	else
285	m_lasterror = wxSTREAM_READ_ERROR;
286	wxPySaveThread(doSave);
287	m_lastcount = o;
288	return o;
289	}
290
291	virtual size_t OnSysWrite(const void *buffer, size_t bufsize){
292	m_lasterror = wxSTREAM_WRITE_ERROR;
293	return 0;
294	}
295
296	virtual off_t OnSysSeek(off_t off, wxSeekMode mode){
297	bool doSave = wxPyRestoreThread();
298	PyObject*arglist = Py_BuildValue("(ii)", off, mode);
299	PyObject*result = PyEval_CallObject(seek, arglist);
300	Py_DECREF(arglist);
301	Py_XDECREF(result);
302	wxPySaveThread(doSave);
303	return OnSysTell();
304	}
305
306	virtual off_t OnSysTell() const{
307	bool doSave = wxPyRestoreThread();
308	PyObject* arglist = Py_BuildValue("()");
309	PyObject* result = PyEval_CallObject(tell, arglist);
310	Py_DECREF(arglist);
311	off_t o = 0;
312	if (result != NULL) {
313	o = PyInt_AsLong(result);
314	Py_DECREF(result);
315	};
316	wxPySaveThread(doSave);
317	return o;
318	}
319
320	wxPyCBInputStream(PyObject p, PyObject r, PyObject s, PyObject t)
321	: py(p), read(r), seek(s), tell(t)
322	{}
323
324	public:
325	~wxPyCBInputStream() {
326	bool doSave = wxPyRestoreThread();
327	Py_XDECREF(py);
328	Py_XDECREF(read);
329	Py_XDECREF(seek);
330	Py_XDECREF(tell);
331	wxPySaveThread(doSave);
332	}
333
334	virtual size_t GetSize() {
335	if (seek && tell) {
336	off_t temp = OnSysTell();
337	off_t ret = OnSysSeek(0, wxFromEnd);
338	OnSysSeek(temp, wxFromStart);
339	return ret;
340	}
341	else
342	return 0;
343	}
344
345	static wxPyCBInputStream* create(PyObject *py) {
346	PyObject* read;
347	PyObject* seek;
348	PyObject* tell;
349
350	if (!PyInstance_Check(py) && !PyFile_Check(py)) {
351	PyErr_SetString(PyExc_TypeError, "Not a file-like object");
352	Py_XDECREF(py);
353	return NULL;
354	}
355	read = getMethod(py, "read");
356	seek = getMethod(py, "seek");
357	tell = getMethod(py, "tell");
358
359	if (!read) {
360	PyErr_SetString(PyExc_TypeError, "Not a file-like object");
361	Py_XDECREF(py);
362	Py_XDECREF(read);
363	Py_XDECREF(seek);
364	Py_XDECREF(tell);
365	return NULL;
366	}
367	return new wxPyCBInputStream(py, read, seek, tell);
368	}
369
370	static PyObject* getMethod(PyObject* py, char* name) {
371	if (!PyObject_HasAttrString(py, name))
372	return NULL;
373	PyObject* o = PyObject_GetAttrString(py, name);
374	if (!PyMethod_Check(o) && !PyCFunction_Check(o))
375	return NULL;
376	return o;
377	}
378
379	protected:
380
381	};
382
383	%} // End of the C++
384	//----------------------------------------------------------------------
385
386
387	// block threads for wxPyInputStream **** WHY?
388	%except(python) {
389	$function
390	}
391
392
393	// wxStringPtrList* to python list of strings typemap
394	%typemap(python, out) wxStringPtrList* {
395	if ($source) {
396	$target = PyList_New($source->GetCount());
397	wxStringPtrList::Node *node = $source->GetFirst();
398	for (int i=0; node; i++) {
399	wxString *s = node->GetData();
400	PyList_SetItem($target, i, PyString_FromStringAndSize(s->c_str(), s->Len()));
401	node = node->GetNext();
402	delete s;
403	}
404	delete $source;
405	}
406	else
407	$target=0;
408	}
409
410
411	// transport exceptions via %target=0
412	%typemap(python, out) wxPyInputStream* {
413	char _ptemp[128];
414	if ($source) {
415	SWIG_MakePtr(_ptemp, (char *) $source,"_wxPyInputStream_p");
416	$target = Py_BuildValue("s",_ptemp);
417	}
418	else
419	$target=0;
420	}
421
422
423	// transport exceptions via %target=0
424	%typemap(python, out) wxString* {
425	if ($source) {
426	$target = PyString_FromStringAndSize($source->c_str(), $source->Len());
427	delete $source;
428	}
429	else
430	$target=0;
431	}
432
433
434
435	%name(wxInputStream) class wxPyInputStream {
436	public:
437	%addmethods {
438	wxPyInputStream(PyObject* p) {
439	wxInputStream* wxi = wxPyCBInputStream::create(p);
440	if (wxi)
441	return new wxPyInputStream(wxi);
442	else
443	return NULL;
444	}
445	}
446	void close();
447	void flush();
448	bool eof();
449	wxString* read(int size=-1);
450	wxString* readline(int size=-1);
451	wxStringPtrList* readlines(int sizehint=-1);
452	void seek(int offset, int whence=0);
453	int tell();
454	/*
455	bool isatty();
456	int fileno();
457	void truncate(int size=-1);
458	void write(wxString data);
459	void writelines(wxStringPtrList);
460	*/
461	}
462
463
464
465	// TODO: make a more fully implemented file interface...
466	class wxOutputStream {
467	public:
468	/*
469	void close();
470	void flush();
471	wxString* read(int size=-1);
472	wxString* readline(int size=-1);
473	wxStringPtrList* readlines(int sizehint=-1);
474	void seek(int offset, int whence=0);
475	int tell();
476	bool isatty();
477	int fileno();
478	void truncate(int size=-1);
479	void write(wxString data);
480	void writelines(wxStringPtrList);
481	*/
482
483	%addmethods {
484	void write(const wxString& str) {
485	self->Write(str.c_str(), str.Length());
486	}
487	}
488	};
489
490
491	// restore except and typemaps
492	%typemap(python,out) wxStringPtrList*;
493	%typemap(python,out) wxPyInputStream*;
494	%typemap(python, out) wxString* {
495	$target = PyString_FromStringAndSize($source->c_str(), $source->Len());
496	}
497	%except(python) {
498	wxPy_BEGIN_ALLOW_THREADS;
499	$function
500	wxPy_END_ALLOW_THREADS;
501	}
502
503