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/*
Read and write CoPilot files.
Copyright (C) 2002 Paul Tomblin, ptomblin@xcski.com
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111 USA
*/
#include "defs.h"
#if PDBFMTS_ENABLED
#include "coldsync/palm.h"
#include "coldsync/pdb.h"
#include "grtcirc.h"
#define MYNAME "CoPilot Waypoint"
#define MYTYPE 0x77617970 /* wayp */
#define MYCREATOR 0x47584255 /* GXBU */
struct record {
pdb_double latitude; /* PDB double format, */
pdb_double longitude; /* similarly, neg = east */
pdb_double magvar; /* magnetic variation in degrees, neg = east */
pdb_double elevation; /* feet */
char flags;
};
static FILE *file_in;
static FILE *file_out;
static const char *out_fname;
static struct pdb *opdb;
static struct pdb_record *opdb_rec;
static void
rd_init(const char *fname)
{
file_in = xfopen(fname, "rb", MYNAME);
}
static void
rd_deinit(void)
{
fclose(file_in);
}
static void
wr_init(const char *fname)
{
file_out = xfopen(fname, "wb", MYNAME);
out_fname = fname;
}
static void
wr_deinit(void)
{
fclose(file_out);
}
static void
data_read(void)
{
struct record *rec;
struct pdb *pdb;
struct pdb_record *pdb_rec;
if (NULL == (pdb = pdb_Read(fileno(file_in)))) {
fatal(MYNAME ": pdb_Read failed\n");
}
if ((pdb->creator != MYCREATOR) || (pdb->type != MYTYPE)) {
fatal(MYNAME ": Not a CoPilot file.\n");
}
for(pdb_rec = pdb->rec_index.rec; pdb_rec; pdb_rec=pdb_rec->next) {
waypoint *wpt_tmp;
char *vdata;
wpt_tmp = waypt_new();
rec = (struct record *) pdb_rec->data;
wpt_tmp->longitude =
DEG(-pdb_read_double(&rec->longitude));
wpt_tmp->latitude =
DEG(pdb_read_double(&rec->latitude));
wpt_tmp->altitude =
pdb_read_double(&rec->elevation) * .3048;
vdata = (char *) pdb_rec->data + sizeof(*rec);
wpt_tmp->shortname = xstrdup(vdata);
vdata = vdata + strlen(vdata) + 1;
wpt_tmp->description = xstrdup(vdata);
vdata = vdata + strlen(vdata) + 1;
wpt_tmp->notes = xstrdup(vdata);
waypt_add(wpt_tmp);
}
free_pdb(pdb);
}
static void
copilot_writewpt(const waypoint *wpt)
{
struct record *rec;
static int ct = 0;
char *vdata;
rec = xcalloc(sizeof(*rec)+1141,1);
pdb_write_double(&rec->latitude, RAD(wpt->latitude));
pdb_write_double(&rec->longitude, RAD(-wpt->longitude));
pdb_write_double(&rec->elevation,
wpt->altitude / .3048);
pdb_write_double(&rec->magvar, 0);
vdata = (char *)rec + sizeof(*rec);
if ( wpt->shortname ) {
strncpy( vdata, wpt->shortname, 10 );
vdata[9] = '\0';
}
else {
vdata[0] ='\0';
}
vdata += strlen( vdata ) + 1;
if ( wpt->description ) {
strncpy( vdata, wpt->description, 100 );
vdata[99] = '\0';
}
else {
vdata[0] ='\0';
}
vdata += strlen( vdata ) + 1;
if ( wpt->notes ) {
strncpy( vdata, wpt->notes, 1000 );
vdata[999] = '\0';
}
else {
vdata[0] ='\0';
}
vdata += strlen( vdata ) + 1;
opdb_rec = new_Record (0, 2, ct++, (uword) (vdata-(char *)rec), (const ubyte *)rec);
if (opdb_rec == NULL) {
fatal(MYNAME ": libpdb couldn't create record\n");
}
if (pdb_AppendRecord(opdb, opdb_rec)) {
fatal(MYNAME ": libpdb couldn't append record\n");
}
xfree(rec);
}
static void
data_write(void)
{
if (NULL == (opdb = new_pdb())) {
fatal (MYNAME ": new_pdb failed\n");
}
strncpy(opdb->name, out_fname, PDB_DBNAMELEN);
opdb->name[PDB_DBNAMELEN-1] = 0;
opdb->attributes = PDB_ATTR_BACKUP;
opdb->ctime = opdb->mtime = current_time() + 2082844800U;
opdb->type = MYTYPE;
opdb->creator = MYCREATOR;
opdb->version = 0;
waypt_disp_all(copilot_writewpt);
pdb_Write(opdb, fileno(file_out));
}
ff_vecs_t copilot_vecs = {
ff_type_file,
FF_CAP_RW_WPT,
rd_init,
wr_init,
rd_deinit,
wr_deinit,
data_read,
data_write,
NULL,
NULL,
CET_CHARSET_ASCII, 0 /* CET-REVIEW */
};
#endif
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