From c47e1a9c28db2890f724ee57e59f3a3c30d7740c Mon Sep 17 00:00:00 2001
From: Ton Voon <tonvoon@users.sourceforge.net>
Date: Wed, 14 May 2008 11:19:53 +0000
Subject: Fixed parsing of scientific notation

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/Nagios-Plugin/trunk@1993 f882894a-f735-0410-b71e-b25c423dba1c
---
 lib/Nagios/Plugin/Functions.pm   |  7 +++++--
 lib/Nagios/Plugin/Performance.pm |  7 +++----
 lib/Nagios/Plugin/Range.pm       | 10 +++++-----
 3 files changed, 13 insertions(+), 11 deletions(-)

(limited to 'lib/Nagios/Plugin')

diff --git a/lib/Nagios/Plugin/Functions.pm b/lib/Nagios/Plugin/Functions.pm
index 57c5b08..a37cdaf 100644
--- a/lib/Nagios/Plugin/Functions.pm
+++ b/lib/Nagios/Plugin/Functions.pm
@@ -12,14 +12,14 @@ use Params::Validate qw(:types validate);
 use Math::Calc::Units;
 
 # Remember to update Nagios::Plugins as well
-our $VERSION = "0.26";
+our $VERSION = "0.27";
 
 our @STATUS_CODES = qw(OK WARNING CRITICAL UNKNOWN DEPENDENT);
 
 require Exporter;
 our @ISA = qw(Exporter);
 our @EXPORT = (@STATUS_CODES, qw(nagios_exit nagios_die check_messages));
-our @EXPORT_OK = qw(%ERRORS %STATUS_TEXT @STATUS_CODES get_shortname max_state convert);
+our @EXPORT_OK = qw(%ERRORS %STATUS_TEXT @STATUS_CODES get_shortname max_state convert $value_re);
 our %EXPORT_TAGS = (
     all => [ @EXPORT, @EXPORT_OK ],
     codes => [ @STATUS_CODES ],
@@ -42,6 +42,9 @@ our %ERRORS = (
 
 our %STATUS_TEXT = reverse %ERRORS;
 
+my $value = qr/[-+]?[\d\.]+/;
+our $value_re = qr/$value(?:e$value)?/;
+
 # _fake_exit flag and accessor/mutator, for testing
 my $_fake_exit = 0;
 sub _fake_exit { @_ ? $_fake_exit = shift : $_fake_exit };
diff --git a/lib/Nagios/Plugin/Performance.pm b/lib/Nagios/Plugin/Performance.pm
index 403492c..a7655fc 100644
--- a/lib/Nagios/Plugin/Performance.pm
+++ b/lib/Nagios/Plugin/Performance.pm
@@ -11,7 +11,7 @@ __PACKAGE__->mk_ro_accessors(
     qw(label value uom warning critical min max)
 );
 
-use Nagios::Plugin::Functions;
+use Nagios::Plugin::Functions qw($value_re);
 use Nagios::Plugin::Threshold;
 use Nagios::Plugin::Range;
 our ($VERSION) = $Nagios::Plugin::Functions::VERSION;
@@ -22,12 +22,11 @@ sub import {
 	Nagios::Plugin::Functions::_use_die($_);
 }
 
-my $value_re = qr/[-+]?[\d\.]+/;
-my $value_re_with_negative_infinity = qr/$value_re|~/;
+my $value_with_negative_infinity = qr/$value_re|~/;
 sub _parse {
 	my $class = shift;
 	my $string = shift;
-	$string =~ s/^([^=]+)=($value_re)([\w%]*);?($value_re_with_negative_infinity\:?$value_re?)?;?($value_re_with_negative_infinity\:?$value_re?)?;?($value_re)?;?($value_re)?\s*//o;
+	$string =~ s/^([^=]+)=($value_re)([\w%]*);?($value_with_negative_infinity\:?$value_re?)?;?($value_with_negative_infinity\:?$value_re?)?;?($value_re)?;?($value_re)?\s*//o;
 	return undef unless ((defined $1 && $1 ne "") && (defined $2 && $2 ne ""));
     my $p = $class->new(
         label => $1, value => $2+0, uom => $3, warning => $4, critical => $5, 
diff --git a/lib/Nagios/Plugin/Range.pm b/lib/Nagios/Plugin/Range.pm
index 3828d1a..32a0639 100644
--- a/lib/Nagios/Plugin/Range.pm
+++ b/lib/Nagios/Plugin/Range.pm
@@ -11,7 +11,7 @@ __PACKAGE__->mk_accessors(
     qw(start end start_infinity end_infinity alert_on)
 );
 
-use Nagios::Plugin::Functions;
+use Nagios::Plugin::Functions qw(:DEFAULT $value_re);
 our ($VERSION) = $Nagios::Plugin::Functions::VERSION;
 
 use overload
@@ -54,7 +54,7 @@ sub parse_range_string {
 
 	$string =~ s/\s//g;  # strip out any whitespace
 	# check for valid range definition
-	unless ( $string =~ /[\d~]/ && $string =~ m/^\@?(-?[\d.]+|~)?(:(-?[\d.]+)?)?$/ ) {
+	unless ( $string =~ /[\d~]/ && $string =~ m/^\@?($value_re|~)?(:($value_re)?)?$/ ) {
 	    carp "invalid range definition '$string'";
 	    return undef;
 	}
@@ -66,14 +66,14 @@ sub parse_range_string {
 	if ($string =~ s/^~//) {  # '~:x'
 	    $range->start_infinity(1);
 	}
-	if ( $string =~ m/^([\d\.-]+)?:/ ) {     # '10:'
+	if ( $string =~ m/^($value_re)?:/ ) {     # '10:'
 		my $start = $1;
 	    $range->_set_range_start($start) if defined $start;
 		$range->end_infinity(1);  # overridden below if there's an end specified
-	    $string =~ s/^([-\d\.]+)?://;
+	    $string =~ s/^($value_re)?://;
 	    $valid++;
 	}
-	if ($string =~ /^([-\d\.]+)$/) {   # 'x:10' or '10'
+	if ($string =~ /^($value_re)$/) {   # 'x:10' or '10'
 	    $range->_set_range_end($string);
 	    $valid++;
 	}
-- 
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