Moved declaratrions of wxPyInputStream and etc. into it's own header

[wxWidgets.git] / wxPython / src / pyistream.h

diff --git a/wxPython/src/pyistream.h b/wxPython/src/pyistream.h
new file mode 100644 (file)
index 0000000..ab43fa8
--- /dev/null
+++ b/wxPython/src/pyistream.h
@@ -0,0 +1,87 @@
+/////////////////////////////////////////////////////////////////////////////
+// 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