File Coverage

lib/Ubic/Settings/ConfigFile.pm

Criterion	Covered	Total	%
statement	9	32	28.1
branch	0	14	0.0
condition			n/a
subroutine	3	5	60.0
pod	2	2	100.0
total	14	53	26.4

package Ubic::Settings::ConfigFile;
$Ubic::Settings::ConfigFile::VERSION = '1.58_01'; # TRIAL
use strict;
use warnings;

# ABSTRACT: single ubic config file


use Params::Validate qw(:all);

sub read {
    my ($class, $file) = validate_pos(@_, 1, { type => SCALAR });
    unless (-e $file) {
        die "Config file '$file' not found";
    }

    open my $fh, '<', $file or die "Can't open '$file': $!";

    my $config = {};
    while (my $line = <$fh>) {
        chomp $line;
        my ($key, $value) = $line =~ /^(\w+)\s*=\s*(.*)$/;
        $config->{$key} = $value;
    }

    close $fh or die "Can't close '$file': $!";

    return $config;
}

sub write {
    my ($class, $file, $config) = validate_pos(@_, 1, { type => SCALAR }, { type => HASHREF });

    my $content = "";

    for my $key (sort keys %$config) {
        my $value = $config->{$key};
        if ($value =~ /\n/) {
            die "Invalid config line  '$key = $value', values can't contain line breaks";
        }
        $content .= "$key = $value\n";
    }

    # we open file after content is prepared, so that file is not removed if something fails
    # TODO - should we write to tmp file first?
    open my $fh, '>', $file or die "Can't open '$file': $!";
    print {$fh} $content or die "Can't write to '$file': $!; sorry, old config removed!";
    close $fh or die "Can't close '$file': $!";

    return;
}


1;

__END__