linuxmafia.com 2016/linuxmafia.com.tar/linuxmafia.com/pub/palmos/pippy-0.6beta-src.tar.gz/pippy-0.6beta-src.tar/pippy-0.6beta-src/src/Modules/palmappsmodule.c

C/C++ Source or Header | 2000-12-27 | 4KB | 201 lines

/*
   This module contains the interfaces to the four main Palm applications.
*/

#include "kludge.h"

#include "_palmutils.h"
#include "AddressDB.h"
#include "datebook.h"
#include "MemoDB.h"
#include "ToDoDB.h"

static PyObject *palmapps_error;

static char *_get_memptr(PyObject *args, PyObject **Oret) SEG_APPSMODULE_C;
static PyObject *palmapps_memo(PyObject *self, PyObject *args) SEG_APPSMODULE_C;
static PyObject *palmapps_datebook(PyObject *self, PyObject *args) SEG_APPSMODULE_C;
static PyObject *palmapps_todo(PyObject *self, PyObject *args) SEG_APPSMODULE_C;
static PyObject *palmapps_addrbook(PyObject *self, PyObject *args) SEG_APPSMODULE_C;
void initpalmapps(void) SEG_APPSMODULE_C;


static char *
_get_memptr(PyObject *args, PyObject **Oret)
{
    char *rec;
    PyObject *o;

    if (!PyArg_ParseTuple(args, "O", &o))
        return NULL;
    if (PyBuffer_Check(o)){
        /* handle buffer - be sure to grab the base */
        rec = (char*) ((PyBufferObject *)o)->b_ptr;
    }
    else if (PyString_Check(o)){
        /* handle as string */
        rec = (char *) ((PyStringObject *)o)->ob_sval;
    }
    else {
        PyErr_SetString(PyExc_ValueError,
                "Argument must be a Buffer or String");
        return NULL;
    }
    /* set the return object */
    *Oret = o;

    return rec;
}

static PyObject *
palmapps_memo(PyObject *self, PyObject *args)
{
    PyObject *o;
    char *rec;

    if (!(rec = _get_memptr(args, &o)))
        return NULL;

    /* return result as a buffer */
    return PyBuffer_FromObject(o, 0, strlen(rec));
}

static PyObject *
palmapps_datebook(PyObject *self, PyObject *args)
{
    PyObject *o;
    char *rec;
    PyObject *b1, *b2=NULL;
    int off, off2, l;
    PackedApptDBRecordType *ap;

    if (!(rec = _get_memptr(args, &o)))
        return NULL;

    ap = (PackedApptDBRecordType *) rec;
    off = sizeof(PackedApptDBRecordType);
    if ( ap->flags.alarm )   /* skip alarm */
        off += sizeof(AlarmInfoType);
    if ( ap->flags.repeat )   /* skip repeat */
        off += sizeof(RepeatInfoType);
    if ( ap->flags.exceptions )   /* skip exceptions */
        off += sizeof(ExceptionsListType);

    l = strlen(&rec[off]);
    b1 = PyBuffer_FromObject(o, off, l);

    off2 = off + l + 1;
    if (!b1)
        return NULL;
    if ( ap->flags.note ){   /* note is present */
        b2 = PyBuffer_FromObject(o, off2, strlen(&rec[off2]));
        if (!b2)
            return NULL;
    }

    if (b2)
        return Py_BuildValue("(OO)", b1, b2);
    else {
        Py_INCREF(Py_None);
        return Py_BuildValue("(OO)", b1, Py_None);
    }
}

static PyObject *
palmapps_todo(PyObject *self, PyObject *args)
{
    PyObject *o;
    char *rec;
    char *desc, *note;
    PyObject *b1, *b2, *priority;
    int off1, off2;

    if (!(rec = _get_memptr(args, &o)))
        return NULL;

    /* skip the first 3 bytes */
    off1 = 3;
    desc = &rec[off1];

    off2 = off1 + strlen(desc)+1;
    note = &rec[off2];

    b1 = PyBuffer_FromObject(o, off1, strlen(desc));
    if (!b1)
        return NULL;
    b2 = PyBuffer_FromObject(o, off2, strlen(note));
    if (!b2)
        return NULL;
    priority = PyInt_FromLong((long)(rec[2] & 0xff));
    if (!priority)
        return NULL;
    return Py_BuildValue("(OOO)", priority, b1, b2);
}

static PyObject *
palmapps_addrbook(PyObject *self, PyObject *args)
{
    char *rec;
    PyObject *o;
    struct header {
        unsigned long p;
        unsigned long flags;
    } h;
    struct header *hp = &h;
    int item_off[19];
    int off;
    int i;
    PyObject *t, *buf;

    if (!(rec = _get_memptr(args, &o)))
        return NULL;
    hp = (struct header *) rec;
    off = 9;
    for (i = 0; i < 19; i++) {
        if (hp->flags & (1L << i)) {
            item_off[i] = off;
            off += strlen(&rec[item_off[i]]) + 1;
        } else
            item_off[i] = -1;
    }

    if (!(t = PyTuple_New(19)))
        return NULL;

    for (i=0; i < 19; i++){
        off = item_off[i];
        if (off != -1) {
            buf = PyBuffer_FromObject(o, off, strlen(&rec[off]));
            if (!buf)
                return NULL;
            PyTuple_SET_ITEM(t, i, buf);
        }
        else {
            Py_INCREF(Py_None);
            PyTuple_SET_ITEM(t, i, Py_None);
        }
    }
    return t;
}


static PyMethodDef palmapps_methods[] = {
    {"memo",  (PyCFunction)palmapps_memo, METH_VARARGS},
    {"datebook",  (PyCFunction)palmapps_datebook, METH_VARARGS},
    {"todo",  (PyCFunction)palmapps_todo, METH_VARARGS},
    {"addrbook",  (PyCFunction)palmapps_addrbook, METH_VARARGS},
    {NULL, NULL} };

void initpalmapps(void) {
    PyObject *m, *d;

    m = Py_InitModule3("palmapps", palmapps_methods, NULL);
    d = PyModule_GetDict(m);
    palmapps_error = PyErr_NewException("palmapps.error", NULL, NULL);
    if (palmapps_error == NULL)
        return;

    PyDict_SetItemString(d, "error", palmapps_error);

}