From 918dea1056d3d1acc62282db59ac855e92c4a476 Mon Sep 17 00:00:00 2001
From: silverweed <silverweed14@proton.me>
Date: Mon, 4 Nov 2024 13:48:47 +0100
Subject: [PATCH] add print version flag
---
src/argparse.cpp | 32 ++++++++++++++++++++++++++++++++
src/rntviewer.cpp | 6 +++++-
2 files changed, 37 insertions(+), 1 deletion(-)
diff --git a/src/argparse.cpp b/src/argparse.cpp
index e2b966d..beb12ab 100644
--- a/src/argparse.cpp
+++ b/src/argparse.cpp
@@ -11,6 +11,7 @@ void print_help(const char *argv0)
"\n\t-w: display WIDTH bytes per column"
"\n\t-e: display some extended info(*) (may slow down the startup)"
"\n\t-n: list the names of the RNTuples found in the file and exit"
+ "\n\t-v: print version and copyright info"
"\n"
"\nNOTES:"
"\n- if `ntuple_name' is not passed, rntviewer will look for the first RNTuple in the TFile."
@@ -20,9 +21,38 @@ void print_help(const char *argv0)
, argv0);
}
+internal
+void print_version_and_copyright()
+{
+ printf(
+ "\n-----------------------------------------------------------------------------"
+ "\n rntviewer v" V_MAJOR "." V_MINOR
+ "\n"
+ "\n A graphical interactive RNTuple visualizer"
+ "\n-----------------------------------------------------------------------------"
+ "\n"
+ "\nCopyright (C) 2024 silverweed"
+ "\n"
+ "\nThis program is free software: you can redistribute it and/or modify it"
+ "\nunder the terms of the GNU General Public License as published by the "
+ "\nFree Software Foundation, either version 3 of the License, or (at your option)"
+ "\nany later version."
+ "\n"
+ "\nThis program is distributed in the hope that it will be useful, but"
+ "\nWITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY"
+ "\nor FITNESS FOR A PARTICULAR PURPOSE."
+ "\nSee the GNU General Public License for more details."
+ "\n"
+ "\nYou should have received a copy of the GNU General Public License along"
+ "\nwith this program. If not, see <https://www.gnu.org/licenses/>."
+ "\n\n"
+ );
+}
+
struct Cmdline_Args {
b8 print_to_terminal;
b8 show_help_and_exit;
+ b8 show_version_and_exit;
u64 start_addr;
u64 nbytes_displayed;
u16 n_cols;
@@ -116,6 +146,8 @@ Cmdline_Args parse_args(i32 argc, char **argv)
parse_int_arg(i, argc, argv, args.nbytes_displayed);
else if (arg[1] == 'n')
args.only_print_rntuple_names = true;
+ else if (arg[1] == 'v')
+ args.show_version_and_exit = true;
else if (arg[1] == 'w') {
u64 n_cols = 0;
parse_int_arg(i, argc, argv, n_cols);
diff --git a/src/rntviewer.cpp b/src/rntviewer.cpp
index 30c429e..6894d36 100644
--- a/src/rntviewer.cpp
+++ b/src/rntviewer.cpp
@@ -2,7 +2,7 @@
//
// rntviewer
//
-// A graphical RNTuple visualizer
+// A graphical interactive RNTuple visualizer
//
// @author silverweed, 2024
//
@@ -124,6 +124,10 @@ int main(int argc, char **argv)
// Parse cmdline
Cmdline_Args args = parse_args(argc, argv);
+ if (args.show_version_and_exit) {
+ print_version_and_copyright();
+ return 0;
+ }
if (args.show_help_and_exit || !args.file_name.size) {
print_help(argv[0]);
return 1;