#! /usr/bin/perl

# Keithsdr.pl - Script to search for the libraries used by the
#                   C++ source files of the KeithSDR project.
#                   Output to assist with creating documentation.
#
# James M. Lynes Jr. - KE4MIQ
# Created:       April 3, 2021
# Last Modified: 4/03/2021 - First working version
#
use strict;
use warnings;

use File::Find::Rule;
use Data::Dumper;

my $input;
my $output;
open ($output, ">", "keithsdrdoc");

my $dir = ($ENV{HOME}.'/Hamradio/Keithsdr/KEITHSDR-main/SDR_RA8875/');

#
# Create a list of C++ files from the SDR_RA8875 directory
#
my @files = File::Find::Rule->file() 
                            ->name('*.cpp', '*.ino')
                            ->maxdepth(1)
                            ->start($dir)
                            ->in($dir);

#
# Sort the file list
#
my @sorted = sort @files;
@files = @sorted;

#
# Search each C++ file for library files(#include)
#
foreach my $file (@files) {
    print "$file\n";
    print $output "$file\n";
    open ($input, "<", $file) or die;
    while (<$input>) {
        chomp();
        if (/#include/) {
            print "$_\n";
            print $output "$_\n";
        } 
    }
    print "\n";
    print $output "\n";
}
close($input);
close($output);