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build-system: start adding a headless build

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Right now this doesn't do a thing, but it gives us a nice target that
has far fewer dependencies and should contain enough parts to download
stuff from a divecomputer and then sync that with cloud storage.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2020-11-13 19:04:17 -08:00
parent a23c3d0bb1
commit 057c151fe8
5 changed files with 162 additions and 6 deletions
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124
subsurface-downloader-main.cpp Normal file
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// SPDX-License-Identifier: GPL-2.0
/* main.c */
#include "core/downloadfromdcthread.h" // for fill_computer_list
#include "core/errorhelper.h"
#include "core/parse.h"
#include "core/qthelper.h"
#include "core/subsurfacestartup.h"
#include "core/settings/qPref.h"
#include "core/tag.h"
#include "core/dive.h"
#include <QApplication>
#include <QLoggingCategory>
#include <QStringList>
#include <git2.h>
static bool filesOnCommandLine = false;
static void messageHandler(QtMsgType type, const QMessageLogContext &ctx, const QString &msg);
int main(int argc, char **argv)
{
qInstallMessageHandler(messageHandler);
// we always run this in verbose mode as there is no UI
verbose = 1;
// now let's say Hi
print_version();
// supporting BT makes sense when used with an iPhone and an rfcomm BT device?
QLoggingCategory::setFilterRules(QStringLiteral("qt.bluetooth* = true"));
int i;
bool no_filenames = true;
std::unique_ptr<QApplication> app(new QApplication(argc, argv));
QStringList files;
QStringList importedFiles;
QStringList arguments = QCoreApplication::arguments();
const char *default_directory = system_default_directory();
const char *default_filename = system_default_filename();
subsurface_mkdir(default_directory);
if (subsurface_user_is_root() && !force_root) {
printf("You are running Subsurface as root. This is not recommended.\n");
printf("If you insist to do so, run with option --allow_run_as_root.\n");
exit(0);
}
git_libgit2_init();
setup_system_prefs();
copy_prefs(&default_prefs, &prefs);
// now handle the arguments
for (i = 1; i < arguments.length(); i++) {
QString a = arguments.at(i);
if (a.isEmpty())
continue;
if (a.at(0) == '-') {
parse_argument(qPrintable(a));
continue;
}
if (imported) {
importedFiles.push_back(a);
} else {
no_filenames = false;
files.push_back(a);
}
}
fill_computer_list();
parse_xml_init();
taglist_init_global();
if (no_filenames) {
if (prefs.default_file_behavior == LOCAL_DEFAULT_FILE) {
QString defaultFile(prefs.default_filename);
if (!defaultFile.isEmpty())
files.push_back(QString(prefs.default_filename));
} else if (prefs.default_file_behavior == CLOUD_DEFAULT_FILE) {
QString cloudURL;
if (getCloudURL(cloudURL) == 0)
files.push_back(cloudURL);
}
}
filesOnCommandLine = !files.isEmpty() || !importedFiles.isEmpty();
if (!files.isEmpty())
qDebug() << "loading dive data from" << files;
print_files();
if (!quit) {
// do something
;
}
taglist_free(g_tag_list);
parse_xml_exit();
free((void *)default_directory);
free((void *)default_filename);
// Sync struct preferences to disk
qPref::sync();
free_prefs();
return 0;
}
// install this message handler primarily so that the Windows build can log to files
void messageHandler(QtMsgType type, const QMessageLogContext &, const QString &msg)
{
QByteArray localMsg = msg.toUtf8();
switch (type) {
case QtDebugMsg:
fprintf(stdout, "%s\n", localMsg.constData());
break;
case QtInfoMsg:
fprintf(stdout, "%s\n", localMsg.constData());
break;
case QtWarningMsg:
fprintf(stderr, "%s\n", localMsg.constData());
break;
case QtCriticalMsg:
fprintf(stderr, "%s\n", localMsg.constData());
break;
case QtFatalMsg:
fprintf(stderr, "%s\n", localMsg.constData());
abort();
}
}