Initial version

lib/BotLib/Conf.pm

@@ -0,0 +1,52 @@
+package BotLib::Conf;
+# loads config
+
+use 5.030; ## no critic (ProhibitImplicitImport)
+use strict;
+use warnings;
+use utf8;
+use open     qw (:std :utf8);
+use English  qw ( -no_match_vars );
+
+use Encode   qw (encode_utf8);
+use JSON::XS    ();
+use Log::Any qw ($log);
+
+use version; our $VERSION = qw (1.0);
+use Exporter qw (import);
+our @EXPORT_OK = qw (LoadConf);
+
+local $OUTPUT_AUTOFLUSH = 1;
+
+# Загружает конфиг в hashref
+# $hashref LoadConf()
+sub LoadConf {
+	my $c = 'data/config.json';
+	open my $CH, '<', $c or die "[FATA] No conf at $c: $OS_ERROR\n";
+	binmode $CH;
+	my $len = (stat $c) [7];
+	my $json;
+	my $readlen = read $CH, $json, $len;
+
+	unless ($readlen) {
+		close $CH;
+		$log->fatal ("[FATA] Unable to read $c: $OS_ERROR");
+	}
+
+	if ($readlen != $len) {
+		close $CH;
+		$log->fatal ("[FATA] File $c is $len bytes on disk, but we read only $readlen bytes");
+	}
+
+	$json = encode_utf8 ($json);
+
+	close $CH;
+	my $j = JSON::XS->new->utf8->relaxed;
+
+	# TODO: full validation of config
+	return $j->decode ($json);
+}
+
+1;
+
+# vim: set ft=perl noet ai ts=4 sw=4 sts=4: