# #
# File: shared/Posting/_lib.pm #
# #
-# Authors: André Malo <nd@o3media.de>, 2001-03-03 #
-# Frank Schoenmann <fs@tower.de>, 2001-03-13 #
+# Authors: André Malo <nd@o3media.de> #
+# Frank Schönmann <fs@tower.de> #
# #
# Description: Message access interface, time format routines #
# #
################################################################################
use strict;
+use vars qw(
+ @EXPORT_OK
+);
use Encode::Plain; $Encode::Plain::utf8 = 1;
+use Time::German qw(localtime);
use XML::DOM;
-# ====================================================
-# Export
-# ====================================================
+################################################################################
+#
+# Version check
+#
+# last modified:
+# $Date$ (GMT)
+# by $Author$
+#
+sub VERSION {(q$Revision$ =~ /([\d.]+)\s*$/)[0] or '0.0'}
-use constant SORT_ASCENT => 0; # (young postings first)
+################################################################################
+#
+# Export
+#
+use constant SORT_ASCENT => 0; # (latest postings first)
use constant SORT_DESCENT => 1;
use constant KEEP_DELETED => 1;
use constant KILL_DELETED => 0;
+use constant FORUM_DTD => 'http://selfforum.sourceforge.net/dtd/forum.dtd';
+
use base qw(Exporter);
-@Posting::_lib::EXPORT_OK = qw(
+@EXPORT_OK = qw(
get_message_header
get_message_body
get_message_node
hr_time
short_hr_time
long_hr_time
+ very_short_hr_time
+ month
get_all_threads
create_forum_xml_string
KILL_DELETED
);
-# ====================================================
+################################################################################
+#
# Access via XML::DOM
-# ====================================================
+#
### sub create_message ($$) ####################################################
#
my $header = $xml -> createElement ('Header');
my $author = $xml -> createElement ('Author');
+ $header -> appendChild ($author);
my @may = (
['name' => 'Name' => $author],
my $date = $xml -> createElement ('Date');
$date -> setAttribute ('longSec'=> $par -> {time});
- $header -> appendChild ($author);
$header -> appendChild ($date);
$message -> appendChild ($header);
# create a XML::DOM::Document object of a thread containing one posting
#
# Params: hash reference
-# (dtd, thread, msg, body, ip, name, email, home,
+# (thread, msg, body, ip, name, email, home,
# image, category, subject, time)
#
# Return: XML::DOM::Document object
# set doctype
#
- my $dtd = $xml -> createDocumentType ('Forum' => $par -> {dtd});
+ my $dtd = $xml -> createDocumentType ('Forum' => FORUM_DTD);
$xml -> setDoctype ($dtd);
# create root element 'Forum'
my $xml = eval {
local $SIG{__DIE__}; # CGI::Carp works unreliable ;-(
- new XML::DOM::Parser (KeepCDATA => 1) -> parsefile ($file);
+ new XML::DOM::Parser(KeepCDATA => 1)->parsefile ($file);
};
return if ($@);
$xml;
}
-###########################
-# sub parse_single_thread
+### parse_single_thread () #####################################################
+#
+# parse a thread file
+#
+# Params: $tnode - Thread element node
+# $deleted - keep deleted (boolean)
+# $sorted - sorting order
+#
+# Return: arrayref
#
-# einzelne Threaddatei
-# parsen
-###########################
-
sub parse_single_thread ($$;$) {
my ($tnode, $deleted, $sorted) = @_;
my ($header, @msg, %mno);
for ($tnode -> getElementsByTagName ('Message')) {
$header = get_message_header ($_);
- push @msg,{mid => ($_ -> getAttribute ('id') =~ /(\d+)/)[0],
- ip => $_ -> getAttribute ('ip'),
- kids => [$_ -> getElementsByTagName ('Message', 0)],
- answers => $_ -> getElementsByTagName ('Message') -> getLength,
- deleted => $_ -> getAttribute ('invisible'),
- archive => $_ -> getAttribute ('archive'),
- name => plain($header -> {name}),
- cat => plain($header -> {category} or ''),
- subject => plain($header -> {subject}),
- time => plain($header -> {time})};
- $mno{$_} = $#msg;}
-
- # Eintraege ergaenzen und korrigieren
+ push @msg => {
+ mid => ($_ -> getAttribute ('id') =~ /(\d+)/)[0],
+ ip => $_ -> getAttribute ('ip'),
+ kids => [$_ -> getElementsByTagName ('Message', 0)],
+ answers => $_ -> getElementsByTagName ('Message') -> getLength,
+ deleted => $_ -> getAttribute ('invisible'),
+ archive => $_ -> getAttribute ('archive'),
+ name => plain($header -> {name}),
+ cat => plain($header -> {category} or ''),
+ subject => plain($header -> {subject}),
+ time => plain($header -> {time})
+ };
+ $mno{$_} = $#msg;
+ }
+
my $level;
$msg[0] -> {level} = 0;
for (@msg) {
$level = $_ -> {level} + 1;
- @{$_ -> {kids}} = map {$msg[$mno{$_}] -> {level} = $level; $mno{$_}} @{$_ -> {kids}};}
-
- # ============
- # Sortieren und bei Bedarf
- # geloeschte Messages entfernen
+ @{$_ -> {kids}} = map {$msg[$mno{$_}] -> {level} = $level; $mno{$_}} @{$_ -> {kids}};
+ }
+ # sort and process deleted files
+ #
my $smsg = sort_thread (\@msg, $sorted);
delete_messages ($smsg) unless ($deleted);
$smsg;
}
-###########################
-# sub create_message_xml
+################################################################################
#
-# Message-XML-String
-# erzeugen
-###########################
-
-sub create_message_xml ($$$) {
- my ($xml, $msges, $num) = @_;
-
- my $msg = $msges -> [$num];
-
- my $message = $xml -> createElement ('Message');
- $message -> setAttribute ('id', 'm'.$msg -> {mid});
- $message -> setAttribute ('invisible', '1') if ($msg -> {deleted});
- $message -> setAttribute ('archive', '1') if ($msg -> {archive});
-
- # Header erzeugen
- my $header = $xml -> createElement ('Header');
-
- # alles inside of 'Header'
- my $author = $xml -> createElement ('Author');
-
- my $name = $xml -> createElement ('Name');
- $name -> addText (toUTF8($msg -> {name}));
-
- my $email = $xml -> createElement ('Email');
-
- my $category = $xml -> createElement ('Category');
- $category -> addText (toUTF8($msg -> {cat}));
-
- my $subject = $xml -> createElement ('Subject');
- $subject -> addText (toUTF8($msg -> {subject}));
-
- my $date = $xml -> createElement ('Date');
- $date -> setAttribute ('longSec', $msg -> {time});
-
- $author -> appendChild ($name);
- $author -> appendChild ($email);
- $header -> appendChild ($author);
- $header -> appendChild ($category);
- $header -> appendChild ($subject);
- $header -> appendChild ($date);
- $message -> appendChild ($header);
-
- if ($msg -> {kids}) {
- for (@{$msg -> {kids}}) {
- $message -> appendChild (&create_message_xml ($xml, $msges, $_));
- }
- }
-
- $message;
-}
-
-# ====================================================
-# XML-Parsen von Hand
-# ====================================================
-
-###########################
-# sub sort_thread
+# Access via regexps and native perl ;)
#
-# Messages eines
-# Threads sortieren
-###########################
+### sort_thread () #############################################################
+#
+# sort the message array
+#
+# Params: $msg - arrayref
+# $sorted - sorting order
+#
+# Return: sorted arrayref
+#
sub sort_thread ($$) {
my ($msg, $sorted) = @_;
my ($z, %mhash) = (0);
- if ($sorted) { # aelteste zuerst
+ if ($sorted) { # oldest first
for (@$msg) {
@$msg[@{$_ -> {kids}}] = sort {$a -> {mid} <=> $b -> {mid}} @$msg[@{$_ -> {kids}}] if (@{$_ -> {kids}} > 1);
$mhash{$_ -> {mid}} = [@$msg[@{$_ -> {kids}}]];}}
- else { # juengste zuerst
+ else { # latest first
for (@$msg) {
@$msg[@{$_ -> {kids}}] = sort {$b -> {mid} <=> $a -> {mid}} @$msg[@{$_ -> {kids}}] if (@{$_ -> {kids}} > 1);
$mhash{$_ -> {mid}} = [@$msg[@{$_ -> {kids}}]];}}
- # Kinder wieder richtig einsortieren
+ # sort the children
+ #
my @smsg = ($msg -> [0]);
for (@smsg) {
++$z;
splice @smsg,$z,0,@{$mhash{$_ -> {mid}}} if ($_ -> {answers});
- delete $_ -> {kids};}
+ delete $_ -> {kids};
+ }
+ # return
\@smsg;
}
# Params: $smsg Reference of array of references of hashs
# Return: -none-
#
-sub delete_messages ($)
-{
+sub delete_messages ($) {
my $smsg = shift;
-
my ($z, $oldlevel, @path) = (0,0,0);
- for (@$smsg)
- {
- if ($_ -> {'deleted'})
- {
- my $n = $_ -> {'answers'} + 1;
- $smsg -> [$_] -> {'answers'} -= $n for (@path);
- splice @$smsg,$z,$n;
+ while ($z <= $#{$smsg}) {
+
+ if ($smsg -> [$z] -> {level} > $oldlevel) {
+ push @path => $z;
+ $oldlevel = $smsg -> [$z] -> {level};
+ }
+ elsif ($smsg -> [$z] -> {level} < $oldlevel) {
+ splice @path, $smsg -> [$z] -> {level};
+ push @path => $z;
+ $oldlevel = $smsg -> [$z] -> {'level'};
+ }
+ else {
+ $path[-1] = $z;
}
- else
- {
- if ($_ -> {'level'} > $oldlevel)
- {
- push @path,$z;
- $oldlevel = $_ -> {'level'};
- }
- elsif ($_ -> {'level'} < $oldlevel)
- {
- splice @path,$_ -> {'level'} - $oldlevel;
- $oldlevel = $_ -> {'level'};
- }
- else
- {
- $path[-1] = $z;
- }
+ if ($smsg -> [$z] -> {deleted}) {
+ my $n = $smsg -> [$z] -> {answers} + 1;
+ $smsg -> [$_] -> {answers} -= $n for (@path);
+ splice @$smsg, $z, $n;
+ }
+ else {
$z++;
}
}
#
# Read and Parse the main file (without any XML-module, they are too slow)
#
-# Params: $file /path/to/filename of the main file
-# $deleted hold deleted (invisible) messages in result (1) oder not (0)
-# $sorted direction of message sort: descending (0) (default) or ascending (1)
-# Return: scalar context: hash reference
+# Params: $file - /path/to/filename of the main file
+# $deleted - hold deleted (invisible) messages in result (1) oder not (0)
+# $sorted - direction of message sort: descending (0) (default) or ascending (1)
+#
+# Return: scalar context: hash reference (\%threads)
# list context: list (\%threads, $last_thread, $last_message, $dtd, \@unids)
#
-sub get_all_threads ($$;$)
-{
+sub get_all_threads ($$;$) {
my ($file, $deleted, $sorted) = @_;
my ($last_thread, $last_message, $dtd, @unids, %threads);
local (*FILE, $/);
- open FILE, $file or return undef;
+ open FILE,"< $file" or return;
my $xml = join '', <FILE>;
- close(FILE) or return undef;
+ close(FILE) or return;
- if (wantarray)
- {
- ($dtd) = $xml =~ /<!DOCTYPE\s+\S+\s+SYSTEM\s+"([^"]+)">/;
+ if (wantarray) {
+ $dtd = FORUM_DTD;
($last_thread) = map {/(\d+)/} $xml =~ /<Forum.+?lastThread="([^"]+)"[^>]*>/;
($last_message) = map {/(\d+)/} $xml =~ /<Forum.+?lastMessage="([^"]+)"[^>]*>/;
}
my $reg_msg = qr~(?:</Message>
- |<Message\s+id="m(\d+)"\s+unid="([^"]*)"(?:\s+invisible="([^"]*)")?(?:\s+archive="([^"]*)")?[^>]*>\s*
+ |<Message\s+id="m(\d+)"(?:\s+unid="([^"]*)")?(?:\s+invisible="([^"]*)")?(?:\s+archive="([^"]*)")?[^>]*>\s*
<Header>[^<]*(?:<(?!Name>)[^<]*)*
<Name>([^<]+)</Name>[^<]*(?:<(?!Category>)[^<]*)*
<Category>([^<]*)</Category>\s*
if (defined($10))
{
push @stack,$cmno if (defined $cmno);
- push @msg, {mid => $1,
- unid => $2,
- deleted => $3,
- archive => $4,
- name => $5,
- cat => $6,
- subject => $7,
- time => $8,
- level => $level++,
- unids => [],
- kids => [],
- answers => 0};
+ push @msg, {
+ mid => $1,
+ unid => (defined $2) ? $2 : '',
+ deleted => $3 || 0,
+ archive => $4 || 0,
+ name => $5,
+ cat => $6,
+ subject => $7,
+ time => $8,
+ level => $level++,
+ unids => [],
+ kids => [],
+ answers => 0
+ };
if (defined $cmno)
{
push @{$msg[$cmno] -> {kids}} => $#msg;
- push @{$msg[$cmno] -> {unids}} => $2;
+ push @{$msg[$cmno] -> {unids}} => (defined $2) ? $2 : '#';
}
else
{
- push @unids => $2;
+ push @unids => (defined $2) ? $2 : '';
}
$msg[$_] -> {answers}++ for (@stack);
}
elsif (defined ($9))
{
- push @msg, {mid => $1,
- unid => $2,
- deleted => $3,
- archive => $4,
- name => $5,
- cat => $6,
- subject => $7,
- time => $8,
- level => $level,
- unids => [],
- kids => [],
- answers => 0};
+ push @msg, {
+ mid => $1,
+ unid => (defined $2) ? $2 : '',
+ deleted => $3 || 0,
+ archive => $4 || 0,
+ name => $5,
+ cat => $6,
+ subject => $7,
+ time => $8,
+ level => $level,
+ unids => [],
+ kids => [],
+ answers => 0
+ };
if (defined $cmno)
{
push @{$msg[$cmno] -> {kids}} => $#msg;
- push @{$msg[$cmno] -> {unids}} => $2;
+ push @{$msg[$cmno] -> {unids}} => (defined $2) ? $2 : '';
$msg[$cmno] -> {answers}++;
}
else
{
- push @unids => $2;
+ push @unids => (defined $2) ? $2 : '';
}
$msg[$_] -> {answers}++ for (@stack);
: \%threads;
}
-###########################
-# sub create_forum_xml_string
+### create_forum_xml_string () #################################################
+#
+# compose main file xml string
+#
+# Params: $threads - parsed threads (see also 'get_all_threads')
+# $params - hashref (see doc for details)
+#
+# Return: scalarref of the xml string
#
-# Forumshauptdatei erzeugen
-###########################
-
sub create_forum_xml_string ($$) {
my ($threads, $param) = @_;
my ($level, $thread, $msg);
- my $xml = '<?xml version="1.0" encoding="UTF-8"?>'."\n"
- .'<!DOCTYPE Forum SYSTEM "'.$param -> {dtd}.'">'."\n"
- .'<Forum lastMessage="'.$param -> {lastMessage}.'" lastThread="'.$param -> {lastThread}.'">';
+ my $xml =
+ '<?xml version="1.0"?>'."\n"
+ . '<!DOCTYPE Forum SYSTEM "'.FORUM_DTD.'">'."\n"
+ . '<Forum lastMessage="m'.($param->{lastMessage} =~ /(\d+)/)[0].'" lastThread="t'.($param->{lastThread} =~ /(\d+)/)[0].'">';
- foreach $thread (sort {$b <=> $a} keys %$threads) {
+ for $thread (sort {$b <=> $a} keys %$threads) {
$xml .= '<Thread id="t'.$thread.'">';
$level = -1;
- foreach $msg (@{$threads -> {$thread}}) {
- $xml .= '</Message>' x ($level - $msg -> {level} + 1) if ($msg -> {level} <= $level);
+ for $msg (@{$threads -> {$thread}}) {
+ $xml .= '</Message>' x ($level - $msg -> {level} + 1) if ($msg -> {level} <= $level);
+
$level = $msg -> {level};
- $xml .= '<Message id="m'.$msg -> {mid}.'"'
- .' unid="'.$msg -> {unid}.'"'
- .(($msg -> {deleted})?' invisible="1"':'')
- .(($msg -> {archive})?' archive="1"':'')
- .'>'
- .'<Header>'
- .'<Author>'
- .'<Name>'
- .plain($msg -> {name})
- .'</Name>'
- .'<Email></Email>'
- .'</Author>'
- .'<Category>'
- .((length $msg -> {cat})?plain($msg -> {cat}):'')
- .'</Category>'
- .'<Subject>'
- .plain($msg -> {subject})
- .'</Subject>'
- .'<Date longSec="'
- .$msg -> {time}
- .'"/>'
- .'</Header>';}
+ $xml .=
+ '<Message id="m'.$msg -> {mid}.'"'
+ . (($msg -> {unid}) ?' unid="'.$msg -> {unid}.'"':'')
+ . (($msg -> {deleted})?' invisible="1"':'')
+ . (($msg -> {archive})?' archive="1"':'')
+ . '>'
+ . '<Header>'
+ . '<Author>'
+ . '<Name>'
+ . plain($msg -> {name})
+ . '</Name>'
+ . '<Email />'
+ . '</Author>'
+ . '<Category>'
+ . ((length $msg -> {cat})?plain($msg -> {cat}):'')
+ . '</Category>'
+ . '<Subject>'
+ . plain($msg -> {subject})
+ . '</Subject>'
+ . '<Date longSec="'
+ . $msg -> {time}
+ . '"/>'
+ . '</Header>';
+ }
$xml .= '</Message>' x ($level + 1);
$xml .= '</Thread>';}
1;
}
-# ====================================================
-# Zeitdarstellung
-# ====================================================
-
-###########################
-# sub hr_time
+################################################################################
+#
+# several time formatting routines
+#
+# hr_time
# 02. Januar 2001, 12:02 Uhr
#
-# sub short_hr_time
+# short_hr_time
# 02. 01. 2001, 12:02 Uhr
#
-# sub long_hr_time
+# long_hr_time
# Dienstag, 02. Januar 2001, 12:02:01 Uhr
#
-# formatierte Zeitangabe
-###########################
+# very_short_hr_time
+# 02. 01. 2001
+#
+sub month($) {
+ (qw(Januar Februar), "M\303\244rz", qw(April Mai Juni Juli August September Oktober November Dezember))[shift (@_) - 1];
+ # ^^^^^^^^ - UTF8 #
+}
sub hr_time ($) {
- my @month = (qw(Januar Februar), "M\303\244rz", qw(April Mail Juni Juli August September Oktober November Dezember));
- # ^^^^^^^^ - UTF8 #
-
- my (undef, $min, $hour, $day, $mon, $year) = localtime ($_[0]);
+ my (undef, $min, $hour, $day, $mon, $year) = localtime (shift);
- sprintf ('%02d. %s %04d, %02d:%02d Uhr', $day, $month[$mon], $year+1900, $hour, $min);
+ sprintf ('%02d. %s %04d, %02d:%02d Uhr', $day, month($mon+1), $year+1900, $hour, $min);
}
sub short_hr_time ($) {
- my (undef, $min, $hour, $day, $mon, $year) = localtime ($_[0]);
+ my (undef, $min, $hour, $day, $mon, $year) = localtime (shift);
sprintf ('%02d. %02d. %04d, %02d:%02d Uhr', $day, $mon+1, $year+1900, $hour, $min);
}
sub long_hr_time ($) {
- my @month = (qw(Januar Februar), "M\303\244rz", qw(April Mail Juni Juli August September Oktober November Dezember));
- # ^^^^^^^^ - UTF8 #
-
my @wday = qw(Sonntag Montag Dienstag Mittwoch Donnerstag Freitag Samstag);
- my ($sek, $min, $hour, $day, $mon, $year, $wday) = localtime ($_[0]);
+ my ($sek, $min, $hour, $day, $mon, $year, $wday) = localtime (shift);
- sprintf ('%s, %02d. %s %04d, %02d:%02d:%02d Uhr', $wday[$wday], $day, $month[$mon], $year+1900, $hour, $min, $sek);
+ sprintf ('%s, %02d. %s %04d, %02d:%02d:%02d Uhr', $wday[$wday], $day, month($mon+1), $year+1900, $hour, $min, $sek);
}
-# ====================================================
-# Modulinitialisierung
-# ====================================================
+sub very_short_hr_time($) {
+ my (undef, $min, $hour, $day, $mon, $year) = localtime (shift);
-# making require happy
-1;
\ No newline at end of file
+ sprintf ('%02d. %02d. %04d', $day, $mon+1, $year+1900);
+}
+
+# keep 'require' happy
+1;
+
+#
+#
+### end of Posting::_lib #######################################################
\ No newline at end of file
git.p6c8.net / selfforum.git / blobdiff