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use warnings; |
use warnings; |
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use strict; |
use strict; |
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use Log::Log4perl qw(get_logger :levels); |
use Log::Log4perl qw/get_logger :levels/; |
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use Time::HiRes qw/time/; |
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# If ture, enable logging debug |
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my $log_debug = 0; |
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=head1 NAME |
=head1 NAME |
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our $VERSION = '0.01'; |
our $VERSION = '0.01'; |
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#my $LOOKUP_REGEX = '\[[^\[\]]+\]'; |
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#my $LOOKUP_REGEX_SAVE = '\[([^\[\]]+)\]'; |
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my $LOOKUP_REGEX = 'lookup{[^\{\}]+}'; |
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my $LOOKUP_REGEX_SAVE = 'lookup{([^\{\}]+)}'; |
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=head1 SYNOPSYS |
=head1 SYNOPSYS |
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This module defines common functions, and is used as base for other, more |
This module defines common functions, and is used as base for other, more |
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specific modules. |
specific modules. |
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my $webpac = new WebPAC::Common( |
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filter => { |
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'filter_name_1' => sub { |
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# filter code |
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return length($_); |
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}, ... |
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}, |
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} |
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=head1 FUNCTIONS |
=head1 FUNCTIONS |
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=head2 fill_in |
=head2 progress_bar |
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Workhourse of all: takes record from in-memory structure of database and |
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strings with placeholders and returns string or array of with substituted |
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values from record. |
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my $text = $webpac->fill_in($rec,'v250^a'); |
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Optional argument is ordinal number for repeatable fields. By default, |
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it's assume to be first repeatable field (fields are perl array, so first |
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element is 0). |
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Following example will read second value from repeatable field. |
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my $text = $webpac->fill_in($rec,'Title: v250^a',1); |
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This function B<does not> perform parsing of format to inteligenty skip |
Draw progress bar on STDERR. |
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delimiters before fields which aren't used. |
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This method will automatically decode UTF-8 string to local code page |
$webpac->progress_bar($current, $max); |
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if needed. |
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=cut |
=cut |
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sub fill_in { |
sub progress_bar { |
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my $self = shift; |
my $self = shift; |
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my ($curr,$max) = @_; |
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my $log = $self->_get_logger(); |
my $log = $self->_get_logger(); |
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my $rec = shift || $log->logconfess("need data record"); |
$log->logconfess("no current value!") if (! $curr); |
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my $format = shift || $log->logconfess("need format to parse"); |
$log->logconfess("no maximum value!") if (! $max); |
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# iteration (for repeatable fields) |
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my $i = shift || 0; |
if ($curr > $max) { |
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$max = $curr; |
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$log->debug("overflow to $curr"); |
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} |
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$log->logdie("infitite loop in format $format") if ($i > ($self->{'max_mfn'} || 9999)); |
$self->{'last_pcnt'} ||= 1; |
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$self->{'start_t'} ||= time(); |
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# FIXME remove for speedup? |
my $p = int($curr * 100 / $max) || 1; |
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$log->logconfess("need HASH as first argument!") if ($rec !~ /HASH/o); |
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if (utf8::is_utf8($format)) { |
# reset on re-run |
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$format = $self->_x($format); |
if ($p < $self->{'last_pcnt'}) { |
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$self->{'last_pcnt'} = $p; |
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$self->{'start_t'} = time(); |
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} |
} |
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my $found = 0; |
if ($p != $self->{'last_pcnt'}) { |
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my $eval_code; |
my $t = time(); |
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# remove eval{...} from beginning |
my $rate = ($curr / ($t - $self->{'start_t'} || 1)); |
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$eval_code = $1 if ($format =~ s/^eval{([^}]+)}//s); |
my $eta = ($max-$curr) / ($rate || 1); |
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printf STDERR ("%5d [%-38s] %-5d %0.1f/s %s\r",$curr,"=" x ($p/3)."$p%>", $max, $rate, $self->fmt_time($eta)); |
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my $filter_name; |
$self->{'last_pcnt'} = $p; |
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# remove filter{...} from beginning |
$self->{'last_curr'} = $curr; |
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$filter_name = $1 if ($format =~ s/^filter{([^}]+)}//s); |
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# do actual replacement of placeholders |
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# repeatable fields |
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$format =~ s/v(\d+)(?:\^(\w))?/$self->get_data(\$rec,$1,$2,$i,\$found)/ges; |
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# non-repeatable fields |
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$format =~ s/s(\d+)(?:\^(\w))?/$self->get_data(\$rec,$1,$2,0,\$found)/ges; |
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if ($found) { |
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$log->debug("format: $format"); |
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if ($eval_code) { |
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my $eval = $self->fill_in($rec,$eval_code,$i); |
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return if (! $self->_eval($eval)); |
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} |
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if ($filter_name && $self->{'filter'}->{$filter_name}) { |
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$log->debug("filter '$filter_name' for $format"); |
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$format = $self->{'filter'}->{$filter_name}->($format); |
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return unless(defined($format)); |
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$log->debug("filter result: $format"); |
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} |
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# do we have lookups? |
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if ($format =~ /$LOOKUP_REGEX/o) { |
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$log->debug("format '$format' has lookup"); |
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return $self->lookup($format); |
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} else { |
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return $format; |
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} |
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} else { |
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return; |
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} |
} |
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print STDERR "\n" if ($p == 100); |
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} |
} |
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=head2 fmt_time |
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=head2 get_data |
Format time (in seconds) for display. |
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Returns value from record. |
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my $text = $self->get_data(\$rec,$f,$sf,$i,\$found); |
print $webpac->fmt_time(time()); |
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Arguments are: |
This method is called by L<progress_bar> to display remaining time. |
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record reference C<$rec>, |
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field C<$f>, |
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optional subfiled C<$sf>, |
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index for repeatable values C<$i>. |
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Optinal variable C<$found> will be incremeted if there |
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is field. |
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Returns value or empty string. |
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=cut |
=cut |
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sub get_data { |
sub fmt_time { |
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my $self = shift; |
my $self = shift; |
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my ($rec,$f,$sf,$i,$found) = @_; |
my $t = shift || 0; |
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my $out = ""; |
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if ($$rec->{$f}) { |
my ($ss,$mm,$hh) = gmtime($t); |
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return '' if (! $$rec->{$f}->[$i]); |
$out .= "${hh}h" if ($hh); |
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no strict 'refs'; |
$out .= sprintf("%02d:%02d", $mm,$ss); |
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if ($sf && $$rec->{$f}->[$i]->{$sf}) { |
$out .= " " if ($hh == 0); |
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$$found++ if (defined($$found)); |
return $out; |
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return $$rec->{$f}->[$i]->{$sf}; |
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} elsif ($$rec->{$f}->[$i]) { |
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$$found++ if (defined($$found)); |
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# it still might have subfield, just |
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# not specified, so we'll dump all |
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if ($$rec->{$f}->[$i] =~ /HASH/o) { |
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my $out; |
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foreach my $k (keys %{$$rec->{$f}->[$i]}) { |
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$out .= $$rec->{$f}->[$i]->{$k}." "; |
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} |
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return $out; |
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} else { |
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return $$rec->{$f}->[$i]; |
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} |
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} |
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} else { |
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return ''; |
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} |
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} |
} |
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# |
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# |
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# |
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=head1 INTERNAL METHODS |
=head1 INTERNAL METHODS |
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return $ret || undef; |
return $ret || undef; |
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} |
} |
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=head2 _sort_by_order |
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Sort xml tags data structure accoding to C<order=""> attribute. |
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=cut |
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sub _sort_by_order { |
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my $self = shift; |
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my $va = $self->{'import_xml'}->{'indexer'}->{$a}->{'order'} || |
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$self->{'import_xml'}->{'indexer'}->{$a}; |
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my $vb = $self->{'import_xml'}->{'indexer'}->{$b}->{'order'} || |
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$self->{'import_xml'}->{'indexer'}->{$b}; |
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return $va <=> $vb; |
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} |
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=head2 _x |
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Convert string from UTF-8 to code page defined in C<import_xml>. |
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my $text = $webpac->_x('utf8 text'); |
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Default application code page is C<ISO-8859-2>. You will probably want to |
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change that when creating new instance of object based on this one. |
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=cut |
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sub _x { |
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my $self = shift; |
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my $utf8 = shift || return; |
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# create UTF-8 convertor for import_xml files |
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$self->{'utf2cp'} ||= Text::Iconv->new('UTF-8' ,$self->{'code_page'} || 'ISO-8859-2'); |
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return $self->{'utf2cp'}->convert($utf8) || |
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$self->_get_logger()->logwarn("can't convert '$utf8'"); |
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} |
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=head2 _init_logger |
=head2 _init_logger |
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This function will init C<Log::Log4perl> using provided configuration file. |
This function will init C<Log::Log4perl> using provided configuration file. |
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$webpac->_init_logger('/path/to/log.conf'); |
$webpac->_init_logger('/path/to/log.conf'); |
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If no path to configuration file is given, dummy empty configuration |
If no path to configuration file is given, dummy empty configuration |
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will be create. |
will be created. If any mode which inherits from this one is called |
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with C<debug> flag, it will turn logging to debug level. |
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This function will also read C<log_conf> value from current object and try |
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to read that as configuration file if it exists. |
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=cut |
=cut |
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sub _init_logger { |
sub _init_logger { |
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my $self = shift; |
my $self = shift; |
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my $file = shift; |
my $file = shift; |
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$file ||= $self->{'log_conf'}; |
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$file = 'conf/log.conf'; |
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my $name = (caller(2))[3] || caller; |
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if ($file) { |
if ($file) { |
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warn "# $name is using $file logger\n" if ($log_debug); |
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Log::Log4perl->init($file); |
Log::Log4perl->init($file); |
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} else { |
} else { |
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my $conf = q( ); |
my $conf = q( ); |
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if ($self->{'debug'}) { |
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$conf = << '_log4perl_'; |
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log4perl.rootLogger=INFO, SCREEN |
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log4perl.logger.WebPAC.=DEBUG |
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log4perl.appender.SCREEN=Log::Log4perl::Appender::Screen |
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log4perl.appender.SCREEN.layout=PatternLayout |
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log4perl.appender.SCREEN.layout.ConversionPattern=%d %p> %F{1}:%L %M - %m%n |
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_log4perl_ |
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warn "# $name is using debug logger\n" if ($log_debug); |
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} else { |
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warn "# $name is using null logger\n" if ($log_debug); |
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} |
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Log::Log4perl->init( \$conf ); |
Log::Log4perl->init( \$conf ); |
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} |
} |
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} |
} |
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sub _get_logger { |
sub _get_logger { |
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my $self = shift; |
my $self = shift; |
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$self->{'_logger_ok'} ||= $self->_init_logger; |
my $name = (caller(2))[3] || caller; |
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$self->{'_logger_'} ||= $self->_init_logger; |
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warn "# get_logger( $name )\n" if ($log_debug); |
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my $name = (caller(1))[3] || caller; |
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return get_logger($name); |
return get_logger($name); |
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} |
} |
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