lib/cf/pod.pm

#
# This file is part of Deliantra, the Roguelike Realtime MMORPG.
#
# Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
#
# Deliantra is free software: you can redistribute it and/or modify it under
# the terms of the Affero GNU General Public License as published by the
# Free Software Foundation, either version 3 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the Affero GNU General Public License
# and the GNU General Public License along with this program. If not, see
# <http://www.gnu.org/licenses/>.
#
# The authors can be reached via e-mail to <support@deliantra.net>
#

package cf::pod;

use common::sense;

use Pod::POM;

our $indent;
our $level;
our @result;

package cf::pod::AsParagraphs;

use common::sense;

use base "Pod::POM::View";

my %E = (
   "<" => "E<lt>",
   ">" => "E<gt>",
);

sub aspod($) {
   local $_ = $_[0];

   s/[<>]/$E{$1}/g;

   $_
}

sub flatten($) {
   local $_ = $_[0];

   s/^\s+//;
   s/\s+$//;
   s/\s+/ /g;

   $_
}

*view_seq_file   = sub { "C<$_[1]>" };
*view_seq_code   = sub { "C<$_[1]>" };
*view_seq_bold   = sub { "B<$_[1]>" };
*view_seq_italic = sub { "I<$_[1]>" };
*view_seq_T      = sub { "T<$_[1]>" };
*view_seq_G      = sub { "G<$_[1]>" };
*view_seq_zero   = sub { "Z<>" };
*view_seq_space  = sub { my $text = $_[1]; $text =~ s/ /\xa0/g; $text };
*view_seq_index  = sub { push @{ $result[-1]{index} }, $_[1]; "" };

sub view_seq_text {
   my $text = $_[1];
   $text =~ s/\s+/ /g;
   aspod $text
}

sub view_seq_link {
   my (undef, $link) = @_;

   my $text = $link =~ s/^(.*)\|// ? $1 : $link;

   if ($link =~ /http:/) {
      "U<" . (aspod $link) . ">"
   } else {
      ()
   }
}

sub view_item {
   push @result, {
      type   => "item",
      indent => $indent * 8,
      level  => $level,
   };
   my $title = $_[1]->title->present ($_[0]);
   $result[-1]{markup} = $title if length $title;
   $title = flatten $title; unshift @{ $result[-1]{index} }, $title if length $title;
   local $level = $level + 1;
   $_[1]->content->present ($_[0]);
   ()
}

sub view_verbatim {
   push @result, {
      type   => "verbatim",
      indent => $indent * 16,
      level  => $level,
      markup => $_[1],
   };
   ()
}

sub view_textblock {
   push @result, {
      indent => $indent * 16,
      level  => $level,
      markup => flatten $_[1],
   };
   ()
}

sub view_head1 {
   push @result, {
      type   => "head1",
      indent => $indent * 16,
      level  => $level,
   };
   my $title = $_[1]->title->present ($_[0]);
   $result[-1]{markup} = $title if length $title;
   $title = flatten $title; unshift @{ $result[-1]{index} }, $title if length $title;
   local $level = $level + 1;
   $_[1]->content->present ($_[0]);
   ()
};

sub view_head2 {
   push @result, {
      type   => "head2",
      indent => $indent * 16,
      level  => $level,
   };
   my $title = $_[1]->title->present ($_[0]);
   $result[-1]{markup} = $title if length $title;
   $title = flatten $title; unshift @{ $result[-1]{index} }, $title if length $title;
   local $level = $level + 1;
   $_[1]->content->present ($_[0]);
   ()
};

sub view_head3 {
   push @result, {
      type   => "head3",
      indent => $indent * 16,
      level  => $level,
   };
   my $title = $_[1]->title->present ($_[0]);
   $result[-1]{markup} = $title if length $title;
   $title = flatten $title; unshift @{ $result[-1]{index} }, $title if length $title;
   local $level = $level + 1;
   $_[1]->content->present ($_[0]);
   ()
};

sub view_over {
   local $indent = $indent + $_[1]->indent;
   push @result, { indent => $indent };
   $_[1]->content->present ($_[0]);
   ()
}

sub view_for {
   if ($_[1]->format eq "image") {
#      push @result, {
#         indent => $indent * 16,
#         level  => $level,
#         markup => (::special image => "pod/" . $_->text),
#      };
   }
   ()
}

sub view_begin {
   ()
}

sub view {
   my ($self, $type, $item) = @_;

   $item->content->present ($self);
}

#############################################################################

package cf::pod;

sub pom_as_paragraphs_ng($) {
   my ($pom) = @_;

   local $indent = 0;
   local $level  = 1;
   local @result = ( { } );

   $pom->present ("cf::pod::AsParagraphs");

   [grep $_->{index} || exists $_->{markup}, @result]
}

sub pom_as_paragraphs($) {
   my ($pom) = @_;

   # we suckers use global variables, unfortunately.
   my $guard = cf::lock_acquire "cf::pod::as_paragraphs";

   $pom->pom_as_paragraphs_ng
}

sub load_pod($) {
   my ($path) = @_;

   Coro::Storable::thaw cf::cache "cf::pod::as_paragraphs/$path" => [$path],
      8 => sub {
         my ($src) = @_;

         cf::fork_call {
            Coro::Storable::blocking_nfreeze
               pom_as_paragraphs_ng
                  +(Pod::POM->new->parse_text ($src->[0]))
         }
      };
}

# format as cfpod-style text
sub as_cfpod($) {
   my ($pars) = @_;

   my $res;

   for my $par (@$pars) {
      if ($par->{type} =~ /^head\d+$/) {
         $res .= "B<$par->{markup}>\n\n";
      } elsif ($par->{type} eq "verbatim") {
         $res .= "$par->{markup}\n\n";
      } elsif ($par->{type} eq "item") {
         $res .= "* I<$par->{markup}>\n\n";
      } else {
         $res .= "$par->{markup}\n\n";
      }
   }

   $res
}

1;

Revision:	1.28
Committed:	Tue Nov 13 01:12:23 2012 UTC (13 years, 11 months ago) by root
Branch:	MAIN
Changes since 1.27:	+11 -5 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.21	#
2			# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	root	1.27	#
4	root	1.26	# Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	root	1.27	#
6	root	1.21	# Deliantra is free software: you can redistribute it and/or modify it under
7			# the terms of the Affero GNU General Public License as published by the
8			# Free Software Foundation, either version 3 of the License, or (at your
9			# option) any later version.
10	root	1.27	#
11	root	1.21	# This program is distributed in the hope that it will be useful,
12			# but WITHOUT ANY WARRANTY; without even the implied warranty of
13			# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			# GNU General Public License for more details.
15	root	1.27	#
16	root	1.21	# You should have received a copy of the Affero GNU General Public License
17			# and the GNU General Public License along with this program. If not, see
18			# <http://www.gnu.org/licenses/>.
19	root	1.27	#
20	root	1.21	# The authors can be reached via e-mail to <support@deliantra.net>
21			#
22
23	root	1.2	package cf::pod;
24
25	root	1.20	use common::sense;
26
27	root	1.3	use Pod::POM;
28
29	root	1.2	our $indent;
30			our $level;
31			our @result;
32
33			package cf::pod::AsParagraphs;
34
35	root	1.20	use common::sense;
36	root	1.2
37			use base "Pod::POM::View";
38
39	root	1.15	my %E = (
40			"<" => "E<lt>",
41			">" => "E<gt>",
42			);
43
44	root	1.14	sub aspod($) {
45	root	1.2	local $_ = $_[0];
46
47	root	1.15	s/[<>]/$E{$1}/g;
48	root	1.2
49			$_
50			}
51
52	root	1.5	sub flatten($) {
53			local $_ = $_[0];
54
55			s/^\s+//;
56			s/\s+$//;
57			s/\s+/ /g;
58
59			$_
60			}
61
62	root	1.17	*view_seq_file = sub { "C<$_[1]>" };
63			*view_seq_code = sub { "C<$_[1]>" };
64	root	1.13	*view_seq_bold = sub { "B<$_[1]>" };
65			*view_seq_italic = sub { "I<$_[1]>" };
66	root	1.19	*view_seq_T = sub { "T<$_[1]>" };
67			*view_seq_G = sub { "G<$_[1]>" };
68	root	1.14	*view_seq_zero = sub { "Z<>" };
69	root	1.2	*view_seq_space = sub { my $text = $_[1]; $text =~ s/ /\xa0/g; $text };
70			*view_seq_index = sub { push @{ $result[-1]{index} }, $_[1]; "" };
71
72			sub view_seq_text {
73			my $text = $_[1];
74			$text =~ s/\s+/ /g;
75	root	1.14	aspod $text
76	root	1.2	}
77
78			sub view_seq_link {
79			my (undef, $link) = @_;
80
81			my $text = $link =~ s/^(.*)\\|// ? $1 : $link;
82
83			if ($link =~ /http:/) {
84	root	1.15	"U<" . (aspod $link) . ">"
85	root	1.2	} else {
86			()
87			}
88			}
89
90			sub view_item {
91			push @result, {
92	root	1.5	type => "item",
93	root	1.2	indent => $indent * 8,
94			level => $level,
95			};
96			my $title = $_[1]->title->present ($_[0]);
97	root	1.5	$result[-1]{markup} = $title if length $title;
98			$title = flatten $title; unshift @{ $result[-1]{index} }, $title if length $title;
99	root	1.2	local $level = $level + 1;
100			$_[1]->content->present ($_[0]);
101			()
102			}
103
104			sub view_verbatim {
105			push @result, {
106	root	1.5	type => "verbatim",
107	root	1.2	indent => $indent * 16,
108			level => $level,
109	root	1.13	markup => $_[1],
110	root	1.2	};
111			()
112			}
113
114			sub view_textblock {
115			push @result, {
116			indent => $indent * 16,
117			level => $level,
118	root	1.6	markup => flatten $_[1],
119	root	1.2	};
120			()
121			}
122
123			sub view_head1 {
124			push @result, {
125	root	1.5	type => "head1",
126	root	1.2	indent => $indent * 16,
127			level => $level,
128			};
129			my $title = $_[1]->title->present ($_[0]);
130	root	1.5	$result[-1]{markup} = $title if length $title;
131			$title = flatten $title; unshift @{ $result[-1]{index} }, $title if length $title;
132	root	1.2	local $level = $level + 1;
133			$_[1]->content->present ($_[0]);
134			()
135			};
136
137			sub view_head2 {
138			push @result, {
139	root	1.5	type => "head2",
140	root	1.2	indent => $indent * 16,
141			level => $level,
142			};
143			my $title = $_[1]->title->present ($_[0]);
144	root	1.5	$result[-1]{markup} = $title if length $title;
145			$title = flatten $title; unshift @{ $result[-1]{index} }, $title if length $title;
146	root	1.2	local $level = $level + 1;
147			$_[1]->content->present ($_[0]);
148			()
149			};
150
151			sub view_head3 {
152			push @result, {
153	root	1.5	type => "head3",
154	root	1.2	indent => $indent * 16,
155			level => $level,
156			};
157			my $title = $_[1]->title->present ($_[0]);
158	root	1.5	$result[-1]{markup} = $title if length $title;
159			$title = flatten $title; unshift @{ $result[-1]{index} }, $title if length $title;
160	root	1.2	local $level = $level + 1;
161			$_[1]->content->present ($_[0]);
162			()
163			};
164
165			sub view_over {
166			local $indent = $indent + $_[1]->indent;
167			push @result, { indent => $indent };
168			$_[1]->content->present ($_[0]);
169			()
170			}
171
172			sub view_for {
173			if ($_[1]->format eq "image") {
174			# push @result, {
175			# indent => $indent * 16,
176			# level => $level,
177			# markup => (::special image => "pod/" . $_->text),
178			# };
179			}
180			()
181			}
182
183			sub view_begin {
184			()
185			}
186
187			sub view {
188			my ($self, $type, $item) = @_;
189
190			$item->content->present ($self);
191			}
192
193			#############################################################################
194
195			package cf::pod;
196
197	root	1.28	sub pom_as_paragraphs_ng($) {
198	root	1.2	my ($pom) = @_;
199
200			local $indent = 0;
201			local $level = 1;
202			local @result = ( { } );
203
204			$pom->present ("cf::pod::AsParagraphs");
205
206			[grep $_->{index} \|\| exists $_->{markup}, @result]
207			}
208
209	root	1.28	sub pom_as_paragraphs($) {
210			my ($pom) = @_;
211
212			# we suckers use global variables, unfortunately.
213			my $guard = cf::lock_acquire "cf::pod::as_paragraphs";
214
215			$pom->pom_as_paragraphs_ng
216			}
217
218	root	1.3	sub load_pod($) {
219			my ($path) = @_;
220
221	root	1.4	Coro::Storable::thaw cf::cache "cf::pod::as_paragraphs/$path" => [$path],
222	root	1.24	8 => sub {
223	root	1.4	my ($src) = @_;
224	root	1.12
225	root	1.5	cf::fork_call {
226	root	1.24	Coro::Storable::blocking_nfreeze
227	root	1.28	pom_as_paragraphs_ng
228	root	1.24	+(Pod::POM->new->parse_text ($src->[0]))
229	root	1.4	}
230			};
231	root	1.3	}
232
233	root	1.8	# format as cfpod-style text
234	root	1.11	sub as_cfpod($) {
235	root	1.6	my ($pars) = @_;
236
237			my $res;
238
239			for my $par (@$pars) {
240			if ($par->{type} =~ /^head\d+$/) {
241	root	1.8	$res .= "B<$par->{markup}>\n\n";
242	root	1.6	} elsif ($par->{type} eq "verbatim") {
243	root	1.16	$res .= "$par->{markup}\n\n";
244	root	1.6	} elsif ($par->{type} eq "item") {
245	root	1.16	$res .= "* I<$par->{markup}>\n\n";
246	root	1.6	} else {
247	root	1.8	$res .= "$par->{markup}\n\n";
248	root	1.6	}
249			}
250
251			$res
252			}
253
254	root	1.2	1;
255