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dpavlin |
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#!/usr/bin/perl -w |
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# Project: Clipping |
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# Author: Nelson Ferraz <nferraz@phperl.com> |
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# Date: 2003-08-14 |
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use strict; |
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use vars qw( %conf %action %event |
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$conn $cgi $in $out $template $source $result |
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); |
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# TO-DO: use the following modules |
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# use Apache::RequestNotes; # Access to Cookie and Form Data |
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# use Apache::Session; # Maintain session state |
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# use Apache::DBI; # Initiate a persistent database connection |
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# Meanwhile: use the following ones |
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use CGI ':cgi-lib'; # Request form data |
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use Template; # Template Toolkit |
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use Pg; # PostgreSQL |
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# Stop this kind of warning |
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$SIG{__WARN__} = sub { warn @_ unless $_[0] =~ /Use of uninitialized value/ }; |
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# autoflush (disable output buffering) |
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$|=1; |
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# import form fields |
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$cgi = new CGI; |
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$in = $cgi->Vars; |
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# template |
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$template = Template->new({ INCLUDE_PATH => '../templates' }); # FIXME: use absolute path? |
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# variable 'script_name' contains the complete URL |
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my $SERVER_PORT = ":$ENV{SERVER_PORT}" if $ENV{SERVER_PORT} <=> 80; |
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$out->{'script_name'} = ($ENV{HTTPS}!~/ON/i?'http':'https')."://$ENV{SERVER_NAME}$SERVER_PORT$ENV{SCRIPT_NAME}"; |
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eval { |
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# configuration |
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do 'clipping.pm'; |
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die "Error in clipping.pm:\n'$@'" if $@; |
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# database connection (in clipping.pm) |
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$conn = Pg::connectdb($conf{db}); |
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&Main; |
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}; |
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if ($@) { # error handling |
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#$out->{'error'} = "$@"; |
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#template->process ("error.tt2", $out); |
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print "Content-type: text/plain\n\n"; |
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print $@; |
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} |
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exit; |
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####### |
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sub Main { |
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# copy input ($in) to output ($out) |
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foreach my $key (keys %{$in}) { |
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$out->{$key} = $in->{$key}; |
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} |
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# Do action(s) |
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my @action = split (/\+/, $in->{'action'}); |
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&Do_action ($_) foreach (@action); |
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# Print template(s) |
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$in->{'template'} ||= 'pg_sel_c_customer'; # 'menu'; |
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my @template = split (/\+/, $in->{'template'}); |
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&Print_template ($_) foreach (@template); |
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} |
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####### |
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sub Do_action { |
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my $action = shift; |
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# verify actions (from clipping.conf) |
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if (defined $action{$action}) { |
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# Do it! |
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eval ($action{$action}); |
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if ($@) { # Exception |
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die "Error in action '$action':\n'$@'"; |
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} |
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} else { |
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die "Invalid action '$action'.\n"; |
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} |
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return; |
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} |
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####### |
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sub Print_template { |
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my $filename = shift; # template name, without extension |
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my ($clean_filename); |
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if ($filename =~ /^(\w+)$/) { |
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$clean_filename = $1; |
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} else { |
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die "Invalid characters in template name '$filename'.\n"; |
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} |
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# Event(s) |
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if (defined $event{"before_$clean_filename"}) { |
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eval($event{"before_$clean_filename"}); |
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if ($@) { |
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die "Error in event before_$clean_filename:\n'$@'"; |
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} |
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} |
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$template->process ("$clean_filename.tt2",$out,\$result) or die $template->error(); |
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eval { &beforePrint }; # useful to change $result before printing |
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if ($@) { |
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die "Error in event beforePrint:\n'$@'"; |
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} |
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print "Content-type: text/html\n\n"; |
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print $result; |
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} |
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### |
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sub beforePrint { |
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return if $in->{'template'} !~ /^pg_(sel|detail)_/; |
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# Wikify |
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while ($result =~ /(\[\[.+?\]\])/g) { |
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my $wiki_word = $1; |
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my ($label) = $wiki_word =~ /\[\[(.+?)\]\]/; |
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my $new_link = "<a href=\"$out->{'script_name'}?template=pg_sel_wiki&wiki_titulo=$label\">$label</a>"; |
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$result =~ s/\Q$wiki_word\E/$new_link/; |
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} |
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# Squeeze multiple blank lines |
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undef $/; |
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$result =~ s/\s*\n+/\n/g; |
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} |
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__END__ |
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Clipping - Copyright 2003 PhPerl.com |
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This program is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
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as published by the Free Software Foundation; either version 2 |
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of the License, or (at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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See the GNU General Public License for more details: |
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http://www.gnu.org/copyleft/gpl.html |
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