Add initial manpage.

[pulseview.git] / main.cpp

diff --git a/main.cpp b/main.cpp
index e63c87d75194599a9d1c7a89529f733b6745c896..b7ba5d8994e79c3d5fea053a2d59802ee378d16c 100644 (file)
--- a/main.cpp
+++ b/main.cpp
@@ -1,5 +1,5 @@
 /*
- * This file is part of the sigrok project.
+ * This file is part of the PulseView project.
  *
  * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
  *
@@ -24,35 +24,78 @@ extern "C" {
 #include <libsigrok/libsigrok.h>
 }
 
+#include <getopt.h>
+
 #include <QtGui/QApplication>
 #include <QDebug>
-#include "mainwindow.h"
+
+#include "pv/mainwindow.h"
+
+#include "config.h"
+
+void usage()
+{
+       fprintf(stderr,
+               "Usage:\n"
+               "  %s — %s\n"
+               "\n"
+               "Help Options:\n"
+               "  -V, --version                   Show release version\n"
+               "  -h, -?, --help                  Show help option\n"
+               "\n", PV_BIN_NAME, PV_DESCRIPTION);
+}
 
 int main(int argc, char *argv[])
 {
        QApplication a(argc, argv);
 
-       /* Set some application metadata. */
-       QApplication::setApplicationVersion(APP_VERSION);
+       // Set some application metadata
+       QApplication::setApplicationVersion(PV_VERSION_STRING);
        QApplication::setApplicationName("PulseView");
        QApplication::setOrganizationDomain("http://www.sigrok.org");
 
-       /* Initialise libsigrok */
+       // Parse arguments
+       while (1) {
+               static const struct option long_options[] = {
+                       {"version", no_argument, 0,  'V'},
+                       {"help", no_argument, 0,  'h'},
+                       {0, 0, 0, 0}
+               };
+
+               const char c = getopt_long(argc, argv,
+                       "Vh?", long_options, NULL);
+               if (c == -1)
+                       break;
+
+               switch (c) {
+               case 'V':
+                       // Print version info
+                       fprintf(stderr, "%s %s\n", PV_TITLE, PV_VERSION_STRING);
+                       return 0;
+
+               case 'h':
+               case '?':
+                       usage();
+                       return 0;
+               }
+       }
+
+       // Initialise libsigrok
        if (sr_init() != SR_OK) {
                qDebug() << "ERROR: libsigrok init failed.";
                return 1;
        }
 
-       /* Initialise libsigrokdecode */
+       // Initialise libsigrokdecode
        if (srd_init(NULL) != SRD_OK) {
                qDebug() << "ERROR: libsigrokdecode init failed.";
                return 1;
        }
 
-       /* Load the protocol decoders */
+       // Load the protocol decoders
        srd_decoder_load_all();
 
-       /* Initialize all libsigrok drivers. */
+       // Initialize all libsigrok drivers
        sr_dev_driver **const drivers = sr_driver_list();
        for (sr_dev_driver **driver = drivers; *driver; driver++) {
                if (sr_driver_init(*driver) != SR_OK) {
@@ -62,14 +105,14 @@ int main(int argc, char *argv[])
                }
        }
 
-       /* Initialise the main window */
-       MainWindow w;
+       // Initialise the main window
+       pv::MainWindow w;
        w.show();
 
-       /* Run the application */
+       // Run the application
        const int ret = a.exec();
 
-       /* Destroy libsigrokdecode and libsigrok */
+       // Destroy libsigrokdecode and libsigrok
        srd_exit();
        sr_exit();