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gdb.cc
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/*
Garmin GPS Database Reader/Writer
Copyright (C) 2005-2008 Olaf Klein, [email protected]
Mainly based on mapsource.c,
Copyright (C) 2005 Robert Lipe, [email protected]
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
A format description obtained from reverse-engineering is at
https://www.memotech.franken.de/FileFormats/Garmin_MPS_GDB_and_GFI_Format.pdf
*/
#include "gdb.h"
#include <QByteArray> // for QByteArray, operator==
#include <QDate> // for QDate
#include <QDateTime> // for QDateTime
#include <QString> // for QString, operator!=, operator==
#include <QTime> // for QTime
#include <Qt> // for CaseInsensitive
#include <QtGlobal> // for Q_UNUSED, qPrintable, foreach
#include <cmath> // for fabs
#include <cstdio> // for SEEK_SET
#include <cstring> // for memset, strstr, strcmp
#include <iterator> // for next
#include "defs.h" // for Waypoint, gbWarning, route_head, gbFatal, UrlLink, bounds, UrlList, unknown_alt, xfree, waypt_add_to_bounds, waypt_init_bounds, route_add_wpt, route_disp_all, waypt_bounds_valid, xmalloc, gb_color, WaypointList, find_wa...
#include "formspec.h" // for FormatSpecificDataList
#include "garmin_fs.h" // for garmin_fs_t, garmin_ilink_t
#include "garmin_tables.h" // for gt_waypt_class_map_point, gt_color_index_by_rgb, gt_color_value, gt_waypt_classes_e, gt_find_desc_from_icon_number, gt_find_icon_number_from_desc, gt_gdb_display_mode_symbol, gt_get_icao_country, gt_waypt_class_user_waypoint, GDB, gt_display_mode_symbol
#include "gbfile.h" // for gbfgetint32, gbfputint32, gbfgetc, gbfread, gbfwrite, gbfgetdbl, gbfputc, gbfgetcstr, gbfclose, gbfgetnativecstr, gbfopen_le, gbfputint16, gbfile, gbfcopyfrom, gbfputcstr, gbfrewind, gbfseek, gbftell, gbfgetcstr_old, gbfgetint16, gbfgetuint32, gbfputdbl
#include "grtcirc.h" // for RAD, gcdist, radtometers
#include "jeeps/gpsmath.h" // for GPS_Math_Deg_To_Semi, GPS_Math_Semi_To_Deg
#include "mkshort.h" // for MakeShort
#include "src/core/datetime.h" // for DateTime
#define GDB_DEF_CLASS gt_waypt_class_user_waypoint
#define GDB_DEF_HIDDEN_CLASS gt_waypt_class_map_point
constexpr unsigned int GDB_DBG_WPT = 1;
constexpr unsigned int GDB_DBG_RTE = 2;
constexpr unsigned int GDB_DBG_TRK = 4;
constexpr unsigned int GDB_DBG_WPTe = 8;
constexpr unsigned int GDB_DBG_RTEe = 16;
//constexpr unsigned int GDB_DBG_TRKe = 32;
//constexpr unsigned int GDB_DEBUG = (GDB_DBG_WPTe) /* | GDB_DBG_RTE) */;
//constexpr unsigned int GDB_DEBUG = 0xff;
constexpr unsigned int GDB_DEBUG = 0x00;
#define DBG(a, b) if ((GDB_DEBUG & (a)) && (b))
inline bool operator==(const GdbFormat::WptNameKey& lhs, const GdbFormat::WptNameKey& rhs) noexcept
{
return lhs.shortname.compare(rhs.shortname, Qt::CaseInsensitive) == 0;
}
inline bool operator==(const GdbFormat::WptNamePosnKey& lhs, const GdbFormat::WptNamePosnKey& rhs) noexcept
{
return
(lhs.shortname.compare(rhs.shortname, Qt::CaseInsensitive) == 0) &&
lhs.lat == rhs.lat &&
lhs.lon == rhs.lon;
}
void
GdbFormat::gdb_flush_waypt_queue(WptNamePosnHash& Q)
{
for (auto it = Q.cbegin(), end = Q.cend(); it != end; ++it) {
const Waypoint* wpt = it.value();
if (wpt->extra_data) {
// wpt->extra_data may be holding a pointer to a QString, courtesy
// the grossness at the end of write_waypoint_cb().
delete static_cast<QString*>(wpt->extra_data);
}
delete wpt;
}
Q = WptNamePosnHash();
}
void
GdbFormat::disp_summary(const gbfile* f) const
{
if constexpr(GDB_DEBUG) {
int len = strlen(gbLogCStr(f->name));
gbWarning("%s\n", QByteArray(len + 21, '=').constData());
gbWarning("%s summary for \"%s\"\n",
(f->mode == 'r') ? "Reader" : "Writer", gbLogCStr(f->name));
gbWarning("%s\n", QByteArray(len + 21, '-').constData());
gbWarning("%d waypoint(s)\n", waypt_ct - waypth_ct);
gbWarning("%d hidden waypoint(s)\n", waypth_ct);
gbWarning("%d route(s) with total %d point(s)\n", rte_ct, rtept_ct);
gbWarning("%d track(s) with total %d point(s)\n", trk_ct, trkpt_ct);
gbWarning("%s\n", QByteArray(len + 21, '-').constData());
} else {
Q_UNUSED(f);
}
}
/*******************************************************************************/
/* TOOLS AND MACROS FOR THE READER */
/*-----------------------------------------------------------------------------*/
#define FREAD_C gbfgetc(fin)
#define FREAD(a, b) gbfread(a, (b), 1, fin)
#define FREAD_i32 gbfgetint32(fin)
#define FREAD_i16 gbfgetint16(fin)
#define FREAD_DBL gbfgetdbl(fin)
#define FREAD_LATLON GPS_Math_Semi_To_Deg(gbfgetint32(fin))
#define FREAD_STR() gbfgetnativecstr(fin)
// This is all very messy. Some versions of GDB store strings as
// 8859-1 strings and others as UTF8. This wrapper tries to hide
// all that while (while keeping the character sets correct) and
// not pushing that decision down into gbfread. This module is
// still pretty messy and the points as to which fields are encode
// which ways in which versions are not at all clear, leading to
// encoding issues on read and leaks because of the differences
// in calling conventions on who owns/destroys the result.
#define FREAD_CSTR_AS_QSTR gbfgetcstr(fin)
QString GdbFormat::fread_cstr() const
{
QString rv;
char* s = gdb_fread_cstr(fin);
if (gdb_ver >= kGDBVerUTF8) {
rv = QString::fromUtf8(s);
} else {
rv = QString::fromLatin1(s);
}
xfree(s);
return rv;
}
char*
GdbFormat::gdb_fread_cstr(gbfile* file_in)
{
char* result = gbfgetcstr_old(file_in);
if (result && (*result == '\0')) {
xfree(result);
result = nullptr;
}
return result;
}
QString
GdbFormat::gdb_fread_strlist() const
{
QString res;
int count = FREAD_i32;
while (count > 0) {
QString str = fread_cstr();
if (!str.isEmpty()) {
res = str;
}
count--;
}
QString qres = res;
return qres;
}
Waypoint* GdbFormat::gdb_find_wayptq(const WptNameHash& Q, const Waypoint* wpt)
{
if (Q.contains(wpt->shortname)) {
return Q.value(wpt->shortname);
}
return nullptr;
}
Waypoint* GdbFormat::gdb_find_wayptq(const WptNamePosnHash& Q, const Waypoint* wpt)
{
auto key = WptNamePosnKey(wpt->shortname, wpt->latitude, wpt->longitude);
if (Q.contains(key)) {
return Q.value(key);
}
return nullptr;
}
Waypoint*
GdbFormat::gdb_reader_find_waypt(const Waypoint* wpt, bool exact) const
{
Waypoint* res;
if (exact) {
res = gdb_find_wayptq(waypt_nameposn_in_hash, wpt);
if (res == nullptr) {
res = gdb_find_wayptq(waypt_nameposn_in_hidden_hash, wpt);
}
} else {
res = gdb_find_wayptq(waypt_name_in_hash, wpt);
if (res == nullptr) {
res = gdb_find_wayptq(waypt_name_in_hidden_hash, wpt);
}
}
return res;
}
Waypoint*
GdbFormat::gdb_add_route_waypt(route_head* rte, Waypoint* ref, const int wpt_class) const
{
Waypoint* tmp = gdb_reader_find_waypt(ref, true);
if (tmp == nullptr) {
tmp = find_waypt_by_name(ref->shortname);
if (tmp == nullptr) {
route_add_wpt(rte, ref);
return ref;
}
/* At this point we have found a waypoint with same name,
but probably from another data stream. Check coordinates!
*/
double dist = radtometers(gcdist(ref->position(), tmp->position()));
if (fabs(dist) > 100) {
gbFatal("Route point mismatch!\n" \
" \"%s\" from waypoints differs to \"%s\"\n" \
" from route table by more than %0.1f meters!\n", \
gbLogCStr(tmp->shortname), gbLogCStr(ref->shortname), dist);
}
}
Waypoint* res = nullptr;
int turn_point = (gdb_roadbook && (wpt_class > gt_waypt_class_map_point) && !tmp->description.isEmpty());
if (turn_point || !gdb_hide_rpt || (wpt_class < gt_waypt_class_map_point)) {
res = new Waypoint(*tmp);
route_add_wpt(rte, res);
}
delete ref;
return res;
}
QString GdbFormat::gdb_to_ISO8601_duration(unsigned int seconds)
{
if (seconds == 0u) {
return QString("PT0S");
}
unsigned int days = seconds / 86400u;
QString out = "P";
if (days != 0) {
out.append(QStringLiteral("D%1").arg(days));
seconds -= 86400u * days;
}
out.append(QString("T"));
unsigned int hours = seconds / 3600u;
if (hours != 0) {
out.append(QStringLiteral("%1H").arg(hours));
seconds -= 3600u * hours;
}
unsigned int minutes = seconds / 60u;
if (minutes != 0) {
out.append(QStringLiteral("%1M").arg(minutes));
seconds -= 60u * minutes;
}
if (seconds != 0) {
out.append(QStringLiteral("%1S").arg(seconds));
}
return out;
}
/*******************************************************************************/
/* TOOLS AND MACROS FOR THE WRITER */
/*-----------------------------------------------------------------------------*/
void GdbFormat::gdb_write_cstr(QStringView a) const
{
if (a.isEmpty()) {
gbfputc(0, fout);
return;
}
if (gdb_ver >= kGDBVerUTF8) {
gbfputcstr(a.toUtf8().constData(), fout);
} else {
gbfputcstr(a.toLatin1().constData(), fout);
}
}
#define FWRITE_i16(a) gbfputint16((a), fout)
#define FWRITE_i32(a) gbfputint32((a), fout)
#define FWRITE(a, b) gbfwrite(a, (b), 1, fout)
#define FWRITE_C(a) gbfputc((a), fout)
#define FWRITE_DBL(a, b) gdb_write_dbl((a), (b))
#define FWRITE_TIME(a) gdb_write_time((a))
#define FWRITE_LATLON(a) gbfputint32(GPS_Math_Deg_To_Semi((a)), fout)
void
GdbFormat::gdb_write_cstr_list(QStringView str) const
{
if (!str.isEmpty()) {
gbfputint32(1, fout);
gdb_write_cstr(str);
} else {
gbfputint32(0, fout);
}
}
void
GdbFormat::gdb_write_dbl(const double value, const double def) const
{
if (value == def) {
gbfputc(0, fout);
} else {
gbfputc(1, fout);
gbfputdbl(value, fout);
}
}
void
GdbFormat::gdb_write_time(const int time) const
{
if (time > 0) {
gbfputc(1, fout);
gbfputint32(time, fout);
} else {
gbfputc(0, fout);
}
}
/*******************************************************************************/
/* GDB "Garmin Database" READER CODE */
/*-----------------------------------------------------------------------------*/
void
GdbFormat::read_file_header()
{
char buf[128];
/*
We are beginning with a simple binary read.
*/
FREAD(buf, 6);
/*
A "gbfgetcstr" (FREAD_CSTR) works too, but if we get a wrong file as input,
the file validation my be comes too late. For example a XML base file normally
has no binary zeros inside and produce, if big enough, a buffer overflow.
The following message "local buffer overflow detected..." could be
misinterpreted.
*/
if (strcmp(buf, "MsRcf") != 0) {
gbFatal("Invalid file \"%s\"!\n", gbLogCStr(fin->name));
}
int reclen = FREAD_i32;
Q_UNUSED(reclen);
QByteArray drec = FREAD_STR();
if (drec.at(0) != 'D') {
gbFatal("Invalid file \"%s\"!\n", gbLogCStr(fin->name));
}
gdb_ver = drec.at(1) - 'k' + 1;
if ((gdb_ver < kGDBVerMin) || (gdb_ver > kGDBVerMax)) {
gbFatal("Unknown or/and unsupported GDB version (%d.0)!\n", gdb_ver);
}
if (global_opts.verbose_status > 0) {
gbInfo("Reading Garmin GPS Database version %d.0\n", gdb_ver);
}
reclen = FREAD_i32;
if (reclen + 1 > int(sizeof(buf))) {
gbFatal("Invalid record length\n");
}
(void) FREAD(buf, reclen + 1);
if (global_opts.verbose_status > 0) {
const char* name = buf+2;
if (strstr(name, "SQA") == nullptr) {
name = "MapSource";
} else if (strstr(name, "neaderhi") == nullptr) {
name = "MapSource BETA";
}
gbWarning("File created with \"%s\"\n", name);
}
QByteArray applicationField = FREAD_STR();
if (!((applicationField == "MapSource") || (applicationField == "BaseCamp"))) {
gbFatal("Not a recognized signature in header\n");
}
}
/*-----------------------------------------------------------------------------*/
Waypoint*
GdbFormat::read_waypoint(gt_waypt_classes_e* waypt_class_out)
{
char buf[128]; /* used for temporary stuff */
gt_waypt_classes_e wpt_class;
Waypoint* res;
garmin_fs_t* gmsd;
#ifdef GMSD_EXPERIMENTAL
char subclass[22];
#endif
waypt_ct++;
res = new Waypoint;
gmsd = new garmin_fs_t(-1);
res->fs.FsChainAdd(gmsd);
res->shortname = fread_cstr();
wpt_class = (gt_waypt_classes_e) FREAD_i32;
garmin_fs_t::set_wpt_class(gmsd, wpt_class);
if (wpt_class != 0) {
waypth_ct++;
}
garmin_fs_t::set_cc(gmsd, fread_cstr());
#ifdef GMSD_EXPERIMENTAL
FREAD(subclass, sizeof(subclass));
if (gmsd && (wpt_class >= gt_waypt_class_map_point)) {
memcpy(gmsd->subclass, subclass, sizeof(gmsd->subclass));
gmsd->flags.subclass = 1;
}
#else
FREAD(buf, 22);
#endif
res->latitude = FREAD_LATLON;
res->longitude = FREAD_LATLON;
if (FREAD_C == 1) {
double alt = FREAD_DBL;
if (alt < 1.0e24) {
res->altitude = alt;
if constexpr(GDB_DEBUG) {
DBG(GDB_DBG_WPTe, true)
gbDebug("wpt \"%s\" (%d): Altitude = %.1f\n",
gbLogCStr(res->shortname), wpt_class, alt);
}
}
}
if constexpr(GDB_DEBUG) {
DBG(GDB_DBG_WPT, true)
gbDebug("wpt \"%s\": coordinates = %c%0.6f %c%0.6f\n",
gbLogCStr(res->shortname),
res->latitude < 0 ? 'S' : 'N', res->latitude,
res->longitude < 0 ? 'W' : 'E', res->longitude);
}
res->notes = fread_cstr();
if constexpr(GDB_DEBUG) {
DBG(GDB_DBG_WPTe, !res->notes.isNull())
gbDebug("wpt \"%s\" (%d): notes = %s\n",
gbLogCStr(res->shortname), wpt_class,
gbLogCStr(QString(res->notes).replace("\r\n", ", ")));
}
if (FREAD_C == 1) {
res->set_proximity(FREAD_DBL);
if constexpr(GDB_DEBUG) {
DBG(GDB_DBG_WPTe, res->proximity_has_value())
gbDebug("wpt \"%s\" (%d): Proximity = %.1f\n",
gbLogCStr(res->shortname), wpt_class, res->proximity_value() / 1000);
}
}
int display = FREAD_i32;
if constexpr(GDB_DEBUG) {
DBG(GDB_DBG_WPTe, true)
gbDebug("wpt \"%s\" (%d): display = %d\n",
gbLogCStr(res->shortname), wpt_class, display);
}
switch (display) { /* display value */
case gt_gdb_display_mode_symbol:
display = gt_display_mode_symbol;
break;
case gt_gdb_display_mode_symbol_and_comment:
display = gt_display_mode_symbol_and_comment;
break;
default:
display = gt_display_mode_symbol_and_name;
break;
}
garmin_fs_t::set_display(gmsd, display);
FREAD_i32; /* color !not implemented! */
int icon = FREAD_i32;
garmin_fs_t::set_icon(gmsd, icon);
garmin_fs_t::set_city(gmsd, fread_cstr());
garmin_fs_t::set_state(gmsd, fread_cstr());
garmin_fs_t::set_facility(gmsd, fread_cstr());
FREAD(buf, 1);
if (FREAD_C == 1) {
res->set_depth(FREAD_DBL);
if constexpr(GDB_DEBUG) {
DBG(GDB_DBG_WPTe, res->depth_has_value())
gbDebug("wpt \"%s\" (%d): Depth = %.1f\n",
gbLogCStr(res->shortname), wpt_class, res->depth_value());
}
}
/* VERSION DEPENDENT CODE */
if (gdb_ver <= kGDBVer2) {
FREAD(buf, 2); /* ?????????????????????????????????? */
waypt_flag = FREAD_C;
if (waypt_flag == 0) {
FREAD(buf, 3);
} else {
FREAD(buf, 2);
}
if constexpr(GDB_DEBUG) {
QString temp = FREAD_CSTR_AS_QSTR; /* undocumented & unused string */
DBG(GDB_DBG_WPTe, !temp.isEmpty())
gbDebug("wpt \"%s\" (%d): Unknown string = %s\n",
gbLogCStr(res->shortname), wpt_class, gbLogCStr(temp));
} else {
(void) FREAD_CSTR_AS_QSTR; /* undocumented & unused string */
}
QString linky = FREAD_CSTR_AS_QSTR;
UrlLink l(linky);
if (!linky.isEmpty()) {
res->AddUrlLink(l);
}
if (wpt_class != 0) {
res->description = l.url_;
}
} else { // if (gdb_ver >= kGDBVer3)
waypt_flag = 0;
garmin_fs_t::set_addr(gmsd, fread_cstr());
FREAD(buf, 1);
unsigned int duration = gbfgetuint32(fin);
res->description = FREAD_CSTR_AS_QSTR; /* instruction */
if (wpt_class == gt_waypt_class_map_intersection || wpt_class == gt_waypt_class_map_line) {
garmin_fs_t::set_duration(gmsd, duration);
res->notes = QStringLiteral("[%1]").arg(gdb_to_ISO8601_duration(duration));
if constexpr(GDB_DEBUG) {
DBG(GDB_DBG_WPTe, true)
gbDebug("wpt \"%s\" (%d): duration = %u\n",
gbLogCStr(res->shortname), wpt_class, duration);
}
}
int url_ct = FREAD_i32;
for (int i = url_ct; (i); i--) {
QString str = FREAD_CSTR_AS_QSTR;
if (!str.isEmpty()) {
waypt_add_url(res, str, nullptr);
if constexpr(GDB_DEBUG) {
DBG(GDB_DBG_WPTe, true)
gbDebug("wpt \"%s\" (%d): url(%d) = %s\n",
gbLogCStr(res->shortname), wpt_class, url_ct - i, gbLogCStr(str));
}
}
}
}
if constexpr(GDB_DEBUG) {
DBG(GDB_DBG_WPTe, !res->description.isNull())
gbDebug("wpt \"%s\" (%d): description = %s\n",
gbLogCStr(res->shortname), wpt_class, gbLogCStr(res->description));
DBG(GDB_DBG_WPTe, res->urls.HasUrlLink())
gbDebug("wpt \"%s\" (%d): url = %s\n",
gbLogCStr(res->shortname), wpt_class, gbLogCStr(res->urls.GetUrlLink().url_));
}
int category = FREAD_i16;
if (category != 0) {
garmin_fs_t::set_category(gmsd, category);
}
if constexpr(GDB_DEBUG) {
DBG(GDB_DBG_WPTe, category)
gbDebug("wpt \"%s\" (%d): category = %d\n",
gbLogCStr(res->shortname), wpt_class, category);
}
if (FREAD_C == 1) {
res->set_temperature(FREAD_DBL);
if constexpr(GDB_DEBUG) {
DBG(GDB_DBG_WPTe, res->temperature_has_value())
gbDebug("wpt \"%s\" (%d): temperature = %.1f\n",
gbLogCStr(res->shortname), wpt_class, res->temperature_value());
}
}
/* VERSION DEPENDENT CODE */
if (gdb_ver <= kGDBVer2) {
if (waypt_flag != 0) {
FREAD(buf, 1);
}
}
if (FREAD_C == 1) {
res->SetCreationTime(FREAD_i32);
}
/* VERSION DEPENDENT CODE */
if (gdb_ver >= kGDBVer3) {
if (FREAD_i32 == 1) {
garmin_fs_t::set_phone_nr(gmsd, fread_cstr());
(void) FREAD_STR(); /* ?? fax / mobile ?? */
}
garmin_fs_t::set_country(gmsd, fread_cstr());
garmin_fs_t::set_postal_code(gmsd, fread_cstr());
}
res->icon_descr = gt_find_desc_from_icon_number(icon, GDB);
if constexpr(GDB_DEBUG) {
DBG(GDB_DBG_WPTe, icon != kGDBDefIcon)
gbDebug("wpt \"%s\" (%d): icon = \"%s\" (MapSource symbol %d)\n",
gbLogCStr(res->shortname), wpt_class, gbLogCStr(res->icon_descr), icon);
}
QString str;
if (!(str = garmin_fs_t::get_cc(gmsd, nullptr)).isEmpty()) {
if (!(garmin_fs_t::has_country(gmsd))) {
garmin_fs_t::set_country(gmsd, gt_get_icao_country(str));
}
}
if (gdb_roadbook && (wpt_class > gt_waypt_class_map_point) && !res->description.isEmpty()) {
wpt_class = gt_waypt_class_user_waypoint;
garmin_fs_t::set_wpt_class(gmsd, wpt_class);
#ifdef GMSD_EXPERIMENTAL
garmin_fs_t::unset_subclass(gmsd);
#endif
}
*waypt_class_out = wpt_class;
return res;
}
/*-----------------------------------------------------------------------------*/
route_head*
GdbFormat::read_route()
{
rte_ct++;
int warnings = 0;
auto* rte = new route_head;
rte->rte_name = fread_cstr();
char tbuf[128];
FREAD(tbuf, 1); /* display/autoname - 1 byte */
if (FREAD_C == 0) { /* max. data flag */
/* maxlat = */ (void) FREAD_i32;
/* maxlon = */
(void) FREAD_i32;
if (FREAD_C == 1) { /* maxalt = */
FREAD_DBL;
}
/* minlat = */ (void) FREAD_i32;
/* minlon = */
(void) FREAD_i32;
if (FREAD_C == 1) { /* minalt = */
FREAD_DBL;
}
}
int points = FREAD_i32;
if constexpr(GDB_DEBUG) {
DBG(GDB_DBG_RTE, true)
gbDebug("rte \"%s\": loading route with %d point(s)...\n",
gbLogCStr(rte->rte_name), points);
}
for (int i = 0; i < points; i++) {
char buf[128];
auto* wpt = new Waypoint;
rtept_ct++;
wpt->shortname = fread_cstr(); /* shortname */
int wpt_class = FREAD_i32; /* waypoint class */
(void) FREAD_STR(); /* country code */
FREAD(buf, 18 + 4); /* subclass part 1-3 / unknown */
if (FREAD_C != 0) {
FREAD(buf, 8); /* aviation data (?); only seen with class "1" (Airport) */
/* VERSION DEPENDENT CODE */
if (gdb_ver >= kGDBVer3) {
FREAD(buf, 8); /* a second block since V3 */
}
}
FREAD(buf, 18); /* unknown 18 bytes; but first should be 0x01 or 0x03 */
/* seen also 0 with VER3 */
if ((buf[0] != 0x00) && (buf[0] != 0x01) && (buf[0] != 0x03)) {
warnings++;
if (warnings > 3) {
gbFatal("rte_pt \"%s\": too many warnings!\n", gbLogCStr(wpt->shortname));
}
gbWarning("rte_pt \"%s\" (class %d): possible error in route.\n", gbLogCStr(wpt->shortname), wpt_class);
gbWarning("rte_pt (dump):");
for (int idx = 0; idx < 18; idx++) {
gbWarning(" %02x", (unsigned char)buf[idx]);
}
gbWarning("\n");
}
int links = FREAD_i32;
QList<garmin_ilink_t> il_list;
if constexpr(GDB_DEBUG) {
DBG(GDB_DBG_RTE, links)
gbDebug("rte_pt \"%s\" (%d): %d interlink step(s)\n",
gbLogCStr(wpt->shortname), wpt_class, links);
}
for (int j = 0; j < links; j++) {
garmin_ilink_t il_step;
il_step.lat = FREAD_LATLON;
il_step.lon = FREAD_LATLON;
if (FREAD_C == 1) {
il_step.alt = FREAD_DBL;
} else {
il_step.alt = unknown_alt;
}
if (j == 0) {
wpt->latitude = il_step.lat;
wpt->longitude = il_step.lon;
wpt->altitude = il_step.alt;
}
il_list.append(il_step);
if constexpr(GDB_DEBUG) {
DBG(GDB_DBG_RTEe, true) {
gbDebug("rte_il \"%s\" (%d of %d): %c%0.6f %c%0.6f\n",
gbLogCStr(wpt->shortname), j + 1, links,
il_step.lat < 0 ? 'S' : 'N', il_step.lat,
il_step.lon < 0 ? 'W' : 'E', il_step.lon);
}
}
}
bounds bounds;
waypt_init_bounds(&bounds);
if (FREAD_C == 0) { /* interlink bounds */
bounds.max_lat = FREAD_LATLON;
bounds.max_lon = FREAD_LATLON;
if (FREAD_C == 1) {
bounds.max_alt = FREAD_DBL;
}
bounds.min_lat = FREAD_LATLON;
bounds.min_lon = FREAD_LATLON;
if (FREAD_C == 1) {
bounds.min_alt = FREAD_DBL;
}
}
if (links == 0) {
/* Without links we need all information from wpt */
Waypoint* tmp = gdb_reader_find_waypt(wpt, false);
if (tmp != nullptr) {
delete wpt;
wpt = new Waypoint(*tmp);
} else {
if (waypt_bounds_valid(&bounds)) {
gbWarning("(has bounds)\n");
}
gbWarning("Data corruption detected!\n");
gbFatal("Sleeping route point without coordinates!\n");
}
}
/* VERSION DEPENDENT CODE */
if (gdb_ver >= kGDBVer2) {
FREAD(buf, 8);
if (gdb_ver >= kGDBVer3) {
FREAD(buf, 2);
}
}
if constexpr(GDB_DEBUG) {
DBG(GDB_DBG_RTE, true)
gbDebug("rte_pt \"%s\": coordinates = %c%0.6f, %c%0.6f\n",
gbLogCStr(wpt->shortname),
wpt->latitude < 0 ? 'S' : 'N', wpt->latitude,
wpt->longitude < 0 ? 'W' : 'E', wpt->longitude);
}
wpt = gdb_add_route_waypt(rte, wpt, wpt_class);
if (wpt != nullptr) {
garmin_fs_t* gmsd = garmin_fs_t::find(wpt);
if (gmsd == nullptr) {
gmsd = new garmin_fs_t(-1);
wpt->fs.FsChainAdd(gmsd);
}
garmin_fs_t::set_wpt_class(gmsd, wpt_class);
gmsd->ilinks = il_list;
}
} /* ENDFOR: for (i = 0; i < points; i++) */
/* VERSION DEPENDENT CODE */
if (gdb_ver <= kGDBVer2) {
rte->rte_urls.AddUrlLink(UrlLink(fread_cstr()));
} else {
rte->rte_urls.AddUrlLink(UrlLink(gdb_fread_strlist()));
int color_idx = FREAD_i32;
rte->line_color.bbggrr = gt_color_value(color_idx);
int autoroute = FREAD_C;
if (autoroute == 1) {
FREAD(tbuf, 6); /* unknown bytes */
int route_style = FREAD_C;
int calc_type = FREAD_i32;
int vehicle_type = FREAD_C;
int road_selection = FREAD_i32;
double driving_speed[5];
driving_speed[0] = FREAD_DBL;
driving_speed[1] = FREAD_DBL;
driving_speed[2] = FREAD_DBL;
driving_speed[3] = FREAD_DBL;
driving_speed[4] = FREAD_DBL;
FREAD(tbuf, 8); /* unknown bytes */
if constexpr(GDB_DEBUG) {
DBG(GDB_DBG_RTE, true)
gbDebug("rte_pt: autoroute info: route style %d, calculation type %d, vehicle type %d, road selection %d\n"
" driving speeds (kph) %.0f, %.0f, %.0f, %.0f, %.0f\n",
route_style, calc_type, vehicle_type, road_selection,
driving_speed[0], driving_speed[1], driving_speed[2], driving_speed[3], driving_speed[4]);
} else {
Q_UNUSED(route_style);
Q_UNUSED(calc_type);
Q_UNUSED(vehicle_type);
Q_UNUSED(road_selection);
Q_UNUSED(driving_speed);
}
}
rte->rte_desc = fread_cstr();
#if 0
/* replace CRLF's with ", " */
if (rte->rte_desc) {
char* c = rte->rte_desc;
while ((c = strstr(c, "\r\n"))) {
*c++ = ',';
*c++ = ' ';
}
}
#endif
}
return rte;
}
/*-----------------------------------------------------------------------------*/
route_head*
GdbFormat::read_track()
{
char dummy;
trk_ct++;
auto* res = new route_head;
res->rte_name = fread_cstr();
// res->rte_num = trk_ct;
FREAD(&dummy, 1); /* display - 1 byte */
int color_idx = FREAD_i32; /* color - 1 dword */
res->line_color.bbggrr = gt_color_value(color_idx);
int points = FREAD_i32;
for (int index = 0; index < points; index++) {
auto* wpt = new Waypoint;
trkpt_ct++;
wpt->latitude = FREAD_LATLON;
wpt->longitude = FREAD_LATLON;
if (FREAD_C == 1) {
double alt = FREAD_DBL;
if (alt < 1.0e24) {
wpt->altitude = alt;
}
}
if (FREAD_C == 1) {
wpt->SetCreationTime(FREAD_i32);
}
if (FREAD_C == 1) {
wpt->set_depth(FREAD_DBL);
}
if (FREAD_C == 1) {
wpt->set_temperature(FREAD_DBL);
}
track_add_wpt(res, wpt);
}
/* VERSION DEPENDENT CODE */
if (gdb_ver >= kGDBVer3) {
res->rte_urls.AddUrlLink(UrlLink(gdb_fread_strlist()));
} else { /* if (gdb_ver <= kGDBVer2) */
res->rte_urls.AddUrlLink(UrlLink(FREAD_CSTR_AS_QSTR));
}
if constexpr(GDB_DEBUG) {
DBG(GDB_DBG_TRK, res->rte_urls.HasUrlLink())
gbDebug("trk \"%s\": url = %s\n",
gbLogCStr(res->rte_name), gbLogCStr(res->rte_urls.GetUrlLink().url_));
}
return res;
}
/*******************************************************************************/
void
GdbFormat::rd_init(const QString& fname)
{
fin = gbfopen_le(fname, "rb");
ftmp = gbfopen_le(nullptr, "wb");
read_file_header();
waypt_nameposn_in_hash.clear();
waypt_name_in_hash.clear();
waypt_nameposn_in_hidden_hash.clear();
waypt_name_in_hidden_hash.clear();
bool via = gdb_opt_via;
bool drop_wpt = gdb_opt_drop_hidden_wpt;
gdb_roadbook = gdb_opt_roadbook;
gdb_hide_wpt = via || drop_wpt || gdb_roadbook;
gdb_hide_rpt = via || gdb_roadbook;
waypt_ct = 0;
waypth_ct = 0;
rtept_ct = 0;
trkpt_ct = 0;
rte_ct = 0;
trk_ct = 0;
}
void
GdbFormat::rd_deinit()
{
disp_summary(fin);
gdb_flush_waypt_queue(waypt_nameposn_in_hash);
waypt_name_in_hash = WptNameHash(); /* values already flushed */
gdb_flush_waypt_queue(waypt_nameposn_in_hidden_hash);
waypt_name_in_hidden_hash = WptNameHash(); /* values already flushed */
gbfclose(ftmp);
gbfclose(fin);
}
void
GdbFormat::read()
{
int incomplete = 0; /* number of incomplete reads */
for (;;) {
char typ;
gt_waypt_classes_e wpt_class;
Waypoint* wpt;
route_head* trk;
route_head* rte;
int len = FREAD_i32;
if (FREAD(&typ, 1) < 1) {
gbFatal("Attempt to read past EOF.\n");
}
if (typ == 'V') {
break; /* break the loop */
}
gbfrewind(ftmp);
gbfwrite(nullptr, 0, 0, ftmp); /* truncate */
gbfcopyfrom(ftmp, fin, len);
gbfrewind(ftmp);
gbfile* fsave = fin; /* swap standard 'fin' with cached input */
fin = ftmp;
char dump = 1;
wpt_class = GDB_DEF_CLASS;
switch (typ) {
case 'W':
wpt = read_waypoint(&wpt_class);