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# Copyrights 2013-2014 by [Mark Overmeer].
# For other contributors see ChangeLog.
# See the manual pages for details on the licensing terms.
# Pod stripped from pm file by OODoc 2.01.
use warnings;
use strict;
package Log::Report::Util;
our $VERSION = '1.01';
use base 'Exporter';
use String::Print qw(printi);
our @EXPORT = qw/
@reasons is_reason is_fatal use_errno
mode_number expand_reasons mode_accepts
must_show_location must_show_stack
escape_chars unescape_chars
parse_locale
pkg2domain
/;
# [0.994 parse_locale deprecated, but kept hidden]
our @EXPORT_OK = qw/%reason_code/;
#use Log::Report 'log-report';
sub N__w($) { split ' ', $_[0] }
# ordered!
our @reasons = N__w('TRACE ASSERT INFO NOTICE WARNING
MISTAKE ERROR FAULT ALERT FAILURE PANIC');
our %reason_code; { my $i=1; %reason_code = map +($_ => $i++), @reasons }
my @user = qw/MISTAKE ERROR/;
my @program = qw/TRACE ASSERT INFO NOTICE WARNING PANIC/;
my @system = qw/FAULT ALERT FAILURE/;
my %is_fatal = map +($_=>1), qw/ERROR FAULT FAILURE PANIC/;
my %use_errno = map +($_=>1), qw/FAULT ALERT FAILURE/;
my %modes = (NORMAL => 0, VERBOSE => 1, ASSERT => 2, DEBUG => 3
, 0 => 0, 1 => 1, 2 => 2, 3 => 3);
my @mode_accepts = ('NOTICE-', 'INFO-', 'ASSERT-', 'ALL');
# horrible mutual dependency with Log::Report(::Minimal)
sub error__x($%)
{ if(Log::Report::Minimal->can('error')) # loaded the ::Mimimal version
{ Log::Report::Minimal::error(Log::Report::Minimal::__x(@_)) }
else { Log::Report::error(Log::Report::__x(@_)) }
}
sub expand_reasons($)
{ my $reasons = shift;
my %r;
foreach my $r (split m/\,/, $reasons)
{ if($r =~ m/^([a-z]*)\-([a-z]*)/i )
{ my $begin = $reason_code{$1 || 'TRACE'};
my $end = $reason_code{$2 || 'PANIC'};
$begin && $end
or error__x "unknown reason {which} in '{reasons}'"
, which => ($begin ? $2 : $1), reasons => $reasons;
error__x"reason '{begin}' more serious than '{end}' in '{reasons}"
, begin => $1, end => $2, reasons => $reasons
if $begin >= $end;
$r{$_}++ for $begin..$end;
}
elsif($reason_code{$r}) { $r{$reason_code{$r}}++ }
elsif($r eq 'USER') { $r{$reason_code{$_}}++ for @user }
elsif($r eq 'PROGRAM') { $r{$reason_code{$_}}++ for @program }
elsif($r eq 'SYSTEM') { $r{$reason_code{$_}}++ for @system }
elsif($r eq 'ALL') { $r{$reason_code{$_}}++ for @reasons }
else
{ error__x"unknown reason {which} in '{reasons}'"
, which => $r, reasons => $reasons;
}
}
(undef, @reasons)[sort {$a <=> $b} keys %r];
}
sub is_reason($) { $reason_code{$_[0]} }
sub is_fatal($) { $is_fatal{$_[0]} }
sub use_errno($) { $use_errno{$_[0]} }
#--------------------------
sub mode_number($) { $modes{$_[0]} }
sub mode_accepts($) { $mode_accepts[$modes{$_[0]}] }
sub must_show_location($$)
{ my ($mode, $reason) = @_;
$reason eq 'ASSERT'
|| $reason eq 'PANIC'
|| ($mode==2 && $reason_code{$reason} >= $reason_code{WARNING})
|| ($mode==3 && $reason_code{$reason} >= $reason_code{MISTAKE});
}
sub must_show_stack($$)
{ my ($mode, $reason) = @_;
$reason eq 'PANIC'
|| ($mode==2 && $reason_code{$reason} >= $reason_code{ALERT})
|| ($mode==3 && $reason_code{$reason} >= $reason_code{ERROR});
}
#-------------------------
my %unescape =
( '\a' => "\a", '\b' => "\b", '\f' => "\f", '\n' => "\n"
, '\r' => "\r", '\t' => "\t", '\"' => '"', '\\\\' => '\\'
, '\e' => "\x1b", '\v' => "\x0b"
);
my %escape = reverse %unescape;
sub escape_chars($)
{ my $str = shift;
$str =~ s/([\x00-\x1F"\\])/$escape{$1} || '?'/ge;
$str;
}
sub unescape_chars($)
{ my $str = shift;
$str =~ s/(\\.)/$unescape{$1} || $1/ge;
$str;
}
sub parse_locale($)
{ my $locale = shift;
defined $locale && length $locale
or return;
if($locale !~
m/^ ([a-z_]+)
(?: \. ([\w-]+) )? # codeset
(?: \@ (\S+) )? # modifier
$/ix)
{ # Windows Finnish_Finland.1252?
$locale =~ s/.*\.//;
return wantarray ? ($locale) : { language => $locale };
}
my ($lang, $codeset, $modifier) = ($1, $2, $3);
my @subtags = split /[_-]/, $lang;
my $primary = lc shift @subtags;
my $language
= $primary eq 'c' ? 'C'
: $primary eq 'posix' ? 'POSIX'
: $primary =~ m/^[a-z]{2,3}$/ ? $primary # ISO639-1 and -2
: $primary eq 'i' && @subtags ? lc(shift @subtags) # IANA
: $primary eq 'x' && @subtags ? lc(shift @subtags) # Private
: error__x"unknown locale language in locale `{locale}'"
, locale => $locale;
my $script;
$script = ucfirst lc shift @subtags
if @subtags > 1 && length $subtags[0] > 3;
my $territory = @subtags ? uc(shift @subtags) : undef;
return ($language, $territory, $codeset, $modifier)
if wantarray;
+{ language => $language
, script => $script
, territory => $territory
, codeset => $codeset
, modifier => $modifier
, variant => join('-', @subtags)
};
}
my %pkg2domain;
sub pkg2domain($;$$$)
{ my $pkg = shift;
my $d = $pkg2domain{$pkg};
@_ or return $d ? $d->[0] : 'default';
my ($domain, $fn, $line) = @_;
if($d)
{ # registration already exists
return $domain if $d->[0] eq $domain;
printi "conflict: package {pkg} in {domain1} in {file1} line {line1}, but in {domain2} in {file2} line {line2}"
, pkg => $pkg
, domain1 => $domain, file1 => $fn, line1 => $line
, domain2 => $d->[0], file2 => $d->[1], line2 => $d->[2];
}
# new registration
$pkg2domain{$pkg} = [$domain, $fn, $line];
$domain;
}
1;
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