Implement command line options

Implementing a command line argument specifying the data export to open
allows iterating faster as the file to open can be specified without
navigating through a GUI.

In the future, more command line options could be specified to specify
the view filters for instance.

1 files changed, 28 insertions, 0 deletions

diff --git a/src/command_line.cpp b/src/command_line.cpp
new file mode 100644
index 0000000..d16742a
--- /dev/null
+++ b/src/command_line.cpp
@@ -0,0 +1,28 @@
+#include "src/command_line.h"
+
+#include <QDebug>
+#include <QApplication>
+
+CommandLineParsedOptions parse_command_line(QCommandLineParser &parser, QApplication &app) {
+    QCommandLineOption fileOption({"f", "file"},
+                                  QCoreApplication::translate("cmdline", "Data export to open."),
+                                  "file");
+    parser.addOption(fileOption);
+
+    const QCommandLineOption help_option = parser.addHelpOption();
+    const QCommandLineOption version_option = parser.addVersionOption();
+
+    QString outbox_filename;
+
+    if (!parser.parse(app.arguments()))
+        return {CommandLineError, parser.errorText(), outbox_filename};
+
+    if (parser.isSet(help_option) or parser.isSet("help-all"))
+        return {CommandLineHelpRequested, nullptr, outbox_filename};
+    if (parser.isSet(version_option))
+        return {CommandLineVersionRequested, nullptr, outbox_filename};
+
+    outbox_filename = parser.value(fileOption);
+
+    return {CommandLineOk, nullptr, outbox_filename};
+}