+/////////////////////////////////////////////////////////////////////////////
+// Name: pyistream.h
+// Purpose: Classes for managing wxInputStream <--> Python streams
+//
+// Author: Robin Dunn
+//
+// Created: 25-Sept-2000
+// RCS-ID: $Id$
+// Copyright: (c) 2000 by Total Control Software
+// Licence: wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef __PYISTREAM__
+#define __PYISTREAM__
+
+
+//----------------------------------------------------------------------
+// Handling of wxInputStreams by Joerg Baumann
+// See stream.i for implementations
+
+// list class for return list of strings, e.g. readlines()
+WX_DECLARE_LIST(wxString, wxStringPtrList);
+
+
+// C++ class wxPyInputStream to act as base for python class wxInputStream
+// You can use it in python like a python file object.
+class wxPyInputStream {
+public:
+ // underlying wxInputStream
+ wxInputStream* m_wxis;
+
+public:
+ wxPyInputStream(wxInputStream* wxis) : m_wxis(wxis) {}
+ ~wxPyInputStream();
+
+ // python file object interface for input files (most of it)
+ 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();
+
+ /* do these later?
+ bool isatty();
+ int fileno();
+ void truncate(int size=-1);
+ void write(wxString data);
+ void writelines(wxStringPtrList);
+ */
+};
+
+
+
+// This is a wxInputStream that wraps a Python file-like
+// object and calls the Python methods as needed.
+class wxPyCBInputStream : public wxInputStream {
+public:
+ ~wxPyCBInputStream();
+ virtual size_t GetSize() const;
+
+ // factory function
+ static wxPyCBInputStream* create(PyObject *py, bool block=TRUE);
+
+protected:
+ // can only be created via the factory
+ wxPyCBInputStream(PyObject *r, PyObject *s, PyObject *t, bool block);
+
+ // wxStreamBase methods
+ virtual size_t OnSysRead(void *buffer, size_t bufsize);
+ virtual size_t OnSysWrite(const void *buffer, size_t bufsize);
+ virtual off_t OnSysSeek(off_t off, wxSeekMode mode);
+ virtual off_t OnSysTell() const;
+
+ // helper
+ static PyObject* getMethod(PyObject* py, char* name);
+
+ PyObject* m_read;
+ PyObject* m_seek;
+ PyObject* m_tell;
+ bool m_block;
+};
+
+//----------------------------------------------------------------------
+#endif
projects / wxWidgets.git / commitdiff
