/***********************************************************

Copyright 1991-1997 by Stichting Mathematisch Centrum, Amsterdam,

The Netherlands.

                        All Rights Reserved

Permission to use, copy, modify, and distribute this software and its 

documentation for any purpose and without fee is hereby granted, 

provided that the above copyright notice appear in all copies and that

both that copyright notice and this permission notice appear in 

supporting documentation, and that the names of Stichting Mathematisch

Centrum or CWI not be used in advertising or publicity pertaining to

distribution of the software without specific, written prior permission.

STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO

THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND

FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE

FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT

OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

******************************************************************/

/* Macintosh OS-specific interface */

#include "Python.h"

#include "pymactoolbox.h"

#include <Carbon/Carbon.h>

#include <ApplicationServices/ApplicationServices.h>

#ifndef HAVE_OSX105_SDK

typedef SInt16	FSIORefNum;

#endif

static PyObject *MacOS_Error; /* Exception MacOS.Error */

#define PATHNAMELEN 1024

/* ----------------------------------------------------- */

/* Declarations for objects of type Resource fork */

typedef struct {

	PyObject_HEAD

	FSIORefNum fRefNum;

	int isclosed;

} rfobject;

static PyTypeObject Rftype;

/* ---------------------------------------------------------------- */

static void

do_close(rfobject *self)

{

	if (self->isclosed ) return;

	(void)FSCloseFork(self->fRefNum);

	self->isclosed = 1;

}

static char rf_read__doc__[] = 

"Read data from resource fork"

;

static PyObject *

rf_read(rfobject *self, PyObject *args)

{

	long n;

	PyObject *v;

	OSErr err;

	ByteCount n2;

	if (self->isclosed) {

		PyErr_SetString(PyExc_ValueError, "Operation on closed file");

		return NULL;

	}

	if (!PyArg_ParseTuple(args, "l", &n))

		return NULL;

	v = PyBytes_FromStringAndSize((char *)NULL, n);

	if (v == NULL)

		return NULL;

	err = FSReadFork(self->fRefNum, fsAtMark, 0, n, PyString_AsString(v), &n2);

	if (err && err != eofErr) {

		PyMac_Error(err);

		Py_DECREF(v);

		return NULL;

	}

	_PyString_Resize(&v, n2);

	return v;

}

static char rf_write__doc__[] = 

"Write to resource fork"

;

static PyObject *

rf_write(rfobject *self, PyObject *args)

{

	char *buffer;

	long size;

	OSErr err;

	if (self->isclosed) {

		PyErr_SetString(PyExc_ValueError, "Operation on closed file");

		return NULL;

	}

	if (!PyArg_ParseTuple(args, "s#", &buffer, &size))

		return NULL;

	err = FSWriteFork(self->fRefNum, fsAtMark, 0, size, buffer, NULL);

	if (err) {

		PyMac_Error(err);

		return NULL;

	}

	Py_INCREF(Py_None);

	return Py_None;

}

static char rf_seek__doc__[] = 

"Set file position"

;

static PyObject *

rf_seek(rfobject *self, PyObject *args)

{

	long amount;

	int whence = SEEK_SET;

	int mode;

	OSErr err;

	if (self->isclosed) {

		PyErr_SetString(PyExc_ValueError, "Operation on closed file");

		return NULL;

	}

	if (!PyArg_ParseTuple(args, "l|i", &amount, &whence)) {

		return NULL;

	}

	switch (whence) {

	case SEEK_CUR:

		mode = fsFromMark;

		break;

	case SEEK_END:

		mode = fsFromLEOF;

		break;

	case SEEK_SET:

		mode = fsFromStart;

		break;

	default:

		PyErr_BadArgument();

		return NULL;

	}

	err = FSSetForkPosition(self->fRefNum, mode, amount);

	if (err != noErr) {

		PyMac_Error(err);

		return NULL;

	}

	Py_INCREF(Py_None);

	return Py_None;

}

static char rf_tell__doc__[] = 

"Get file position"

;

static PyObject *

rf_tell(rfobject *self, PyObject *args)

{

	long long where;

	OSErr err;

	if (self->isclosed) {

		PyErr_SetString(PyExc_ValueError, "Operation on closed file");

		return NULL;

	}

	if (!PyArg_ParseTuple(args, ""))

		return NULL;

	err = FSGetForkPosition(self->fRefNum, &where);

	if (err != noErr) {

		PyMac_Error(err);

		return NULL;

	}

	return PyLong_FromLongLong(where);

}

static char rf_close__doc__[] = 

"Close resource fork"

;

static PyObject *

rf_close(rfobject *self, PyObject *args)

{

	if (!PyArg_ParseTuple(args, ""))

		return NULL;

	do_close(self);

	Py_INCREF(Py_None);

	return Py_None;

}

static struct PyMethodDef rf_methods[] = {

 {"read",	(PyCFunction)rf_read,	1,	rf_read__doc__},

 {"write",	(PyCFunction)rf_write,	1,	rf_write__doc__},

 {"seek",	(PyCFunction)rf_seek,	1,	rf_seek__doc__},

 {"tell",	(PyCFunction)rf_tell,	1,	rf_tell__doc__},

 {"close",	(PyCFunction)rf_close,	1,	rf_close__doc__},

	{NULL,		NULL}		/* sentinel */

};

/* ---------- */

static rfobject *

newrfobject(void)

{

	rfobject *self;

	self = PyObject_NEW(rfobject, &Rftype);

	if (self == NULL)

		return NULL;

	self->isclosed = 1;

	return self;

}

static void

rf_dealloc(rfobject *self)

{

	do_close(self);

	PyObject_DEL(self);

}

static PyObject *

rf_getattr(rfobject *self, char *name)

{

	return Py_FindMethod(rf_methods, (PyObject *)self, name);

}

static char Rftype__doc__[] = 

"Resource fork file object"

;

static PyTypeObject Rftype = {

	PyObject_HEAD_INIT(&PyType_Type)

	0,				/*ob_size*/

	"MacOS.ResourceFork",		/*tp_name*/

	sizeof(rfobject),		/*tp_basicsize*/

	0,				/*tp_itemsize*/

	/* methods */

	(destructor)rf_dealloc,	/*tp_dealloc*/

	(printfunc)0,		/*tp_print*/

	(getattrfunc)rf_getattr,	/*tp_getattr*/

	(setattrfunc)0,	/*tp_setattr*/

	(cmpfunc)0,		/*tp_compare*/

	(reprfunc)0,		/*tp_repr*/

	0,			/*tp_as_number*/

	0,		/*tp_as_sequence*/

	0,		/*tp_as_mapping*/

	(hashfunc)0,		/*tp_hash*/

	(ternaryfunc)0,		/*tp_call*/

	(reprfunc)0,		/*tp_str*/

	/* Space for future expansion */

	0L,0L,0L,0L,

	Rftype__doc__ /* Documentation string */

};

/* End of code for Resource fork objects */

/* -------------------------------------------------------- */

/*----------------------------------------------------------------------*/

/* Miscellaneous File System Operations */

static char getcrtp_doc[] = "Get MacOS 4-char creator and type for a file";

static PyObject *

MacOS_GetCreatorAndType(PyObject *self, PyObject *args)

{

	PyObject *creator, *type, *res;

	OSErr err;

	FSRef ref;

	FSCatalogInfo	cataloginfo;

	FileInfo* finfo;

	if (!PyArg_ParseTuple(args, "O&", PyMac_GetFSRef, &ref)) {

#ifndef __LP64__

		/* This function is documented to take an FSSpec as well,

		 * which only works in 32-bit mode.

		 */

		PyErr_Clear();

		FSSpec fss;

		FInfo info;

		if (!PyArg_ParseTuple(args, "O&", PyMac_GetFSSpec, &fss))

			return NULL;

		if ((err = FSpGetFInfo(&fss, &info)) != noErr) {

			return PyErr_Mac(MacOS_Error, err);

		}

		creator = PyString_FromStringAndSize(

				(char *)&info.fdCreator, 4);

		type = PyString_FromStringAndSize((char *)&info.fdType, 4);

		res = Py_BuildValue("OO", creator, type);

		Py_DECREF(creator);

		Py_DECREF(type);

		return res;

#else	/* __LP64__ */

		return NULL;

#endif	/* __LP64__ */

	}

	err = FSGetCatalogInfo(&ref, 

			kFSCatInfoFinderInfo|kFSCatInfoNodeFlags, &cataloginfo, 

			NULL, NULL, NULL);

	if (err != noErr) {

		PyErr_Mac(MacOS_Error, err);

		return NULL;

	}

	if ((cataloginfo.nodeFlags & kFSNodeIsDirectoryMask) != 0) {

		/* Directory: doesn't have type/creator info.

		 *

		 * The specific error code is for backward compatibility with

		 * earlier versions.

		 */

		PyErr_Mac(MacOS_Error, fnfErr);

		return NULL;

	} 

	finfo = (FileInfo*)&(cataloginfo.finderInfo);

	creator = PyString_FromStringAndSize((char*)&(finfo->fileCreator), 4);

	type = PyString_FromStringAndSize((char*)&(finfo->fileType), 4);

	res = Py_BuildValue("OO", creator, type);

	Py_DECREF(creator);

	Py_DECREF(type);

	return res;

}

static char setcrtp_doc[] = "Set MacOS 4-char creator and type for a file";

static PyObject *

MacOS_SetCreatorAndType(PyObject *self, PyObject *args)

{

	ResType creator, type;

	FSRef ref;

	FileInfo* finfo;

	OSErr err;

	FSCatalogInfo	cataloginfo;

	if (!PyArg_ParseTuple(args, "O&O&O&",

			PyMac_GetFSRef, &ref, PyMac_GetOSType, &creator, PyMac_GetOSType, &type)) {

#ifndef __LP64__

		/* Try to handle FSSpec arguments, for backward compatibility */

		FSSpec fss;

		FInfo info;

		if (!PyArg_ParseTuple(args, "O&O&O&",

			PyMac_GetFSSpec, &fss, PyMac_GetOSType, &creator, PyMac_GetOSType, &type))

			return NULL;

		if ((err = FSpGetFInfo(&fss, &info)) != noErr)

			return PyErr_Mac(MacOS_Error, err);

		info.fdCreator = creator;

		info.fdType = type;

		if ((err = FSpSetFInfo(&fss, &info)) != noErr)

			return PyErr_Mac(MacOS_Error, err);

		Py_INCREF(Py_None);

		return Py_None;

#else /* __LP64__ */

		return NULL;

#endif /* __LP64__ */

	}

	err = FSGetCatalogInfo(&ref, 

			kFSCatInfoFinderInfo|kFSCatInfoNodeFlags, &cataloginfo, 

			NULL, NULL, NULL);

	if (err != noErr) {

		PyErr_Mac(MacOS_Error, err);

		return NULL;

	}

	if ((cataloginfo.nodeFlags & kFSNodeIsDirectoryMask) != 0) {

		/* Directory: doesn't have type/creator info.

		 *

		 * The specific error code is for backward compatibility with

		 * earlier versions.

		 */

		PyErr_Mac(MacOS_Error, fnfErr);

		return NULL;

	} 

	finfo = (FileInfo*)&(cataloginfo.finderInfo);

	finfo->fileCreator = creator;

	finfo->fileType = type;

	err = FSSetCatalogInfo(&ref, kFSCatInfoFinderInfo, &cataloginfo);

	if (err != noErr) {

		PyErr_Mac(MacOS_Error, fnfErr);

		return NULL;

	}

	Py_INCREF(Py_None);

	return Py_None;

}

static char geterr_doc[] = "Convert OSErr number to string";

static PyObject *

MacOS_GetErrorString(PyObject *self, PyObject *args)

{

	int err;

	char buf[256];

	Handle h;

	char *str;

	static int errors_loaded;

	if (!PyArg_ParseTuple(args, "i", &err))

		return NULL;

	h = GetResource('Estr', err);

	if (!h && !errors_loaded) {

		/*

		** Attempt to open the resource file containing the

		** Estr resources. We ignore all errors. We also try

		** this only once.

		*/

		PyObject *m, *rv;

		errors_loaded = 1;

		m = PyImport_ImportModuleNoBlock("macresource");

		if (!m) {

			if (Py_VerboseFlag)

				PyErr_Print();

			PyErr_Clear();

		}

		else {

			rv = PyObject_CallMethod(m, "open_error_resource", "");

			if (!rv) {

				if (Py_VerboseFlag)

					PyErr_Print();

				PyErr_Clear();

			}

			else {

				Py_DECREF(rv);

				/* And try again... */

				h = GetResource('Estr', err);

			}

			Py_DECREF(m);

		}

	}

	/*

	** Whether the code above succeeded or not, we won't try

	** again.

	*/

	errors_loaded = 1;

	if (h) {

		HLock(h);

		str = (char *)*h;

		memcpy(buf, str+1, (unsigned char)str[0]);

		buf[(unsigned char)str[0]] = '\0';

		HUnlock(h);

		ReleaseResource(h);

	}

	else {

		PyOS_snprintf(buf, sizeof(buf), "Mac OS error code %d", err);

	}

	return Py_BuildValue("s", buf);

}

#ifndef __LP64__

static char splash_doc[] = "Open a splash-screen dialog by resource-id (0=close)";

static PyObject *

MacOS_splash(PyObject *self, PyObject *args)

{

	int resid = -1;

	static DialogPtr curdialog = NULL;

	DialogPtr olddialog;

	WindowRef theWindow;

	CGrafPtr thePort;

#if 0

	short xpos, ypos, width, height, swidth, sheight;

#endif

	if (!PyArg_ParseTuple(args, "|i", &resid))

		return NULL;

	olddialog = curdialog;

	curdialog = NULL;

	if ( resid != -1 ) {

		curdialog = GetNewDialog(resid, NULL, (WindowPtr)-1);

		if ( curdialog ) {

			theWindow = GetDialogWindow(curdialog);

			thePort = GetWindowPort(theWindow);

#if 0

			width = thePort->portRect.right - thePort->portRect.left;

			height = thePort->portRect.bottom - thePort->portRect.top;

			swidth = qd.screenBits.bounds.right - qd.screenBits.bounds.left;

			sheight = qd.screenBits.bounds.bottom - qd.screenBits.bounds.top - LMGetMBarHeight();

			xpos = (swidth-width)/2;

			ypos = (sheight-height)/5 + LMGetMBarHeight();

			MoveWindow(theWindow, xpos, ypos, 0);

			ShowWindow(theWindow);

#endif

			DrawDialog(curdialog);

		}

	}