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# Copyright (C) 2004-2008 Christoph Berg <cb@df7cb.de>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 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.
package IrcMarkers::File;
use strict;
use warnings;
use IO::File;
sub despace {
my $s = shift;
$s =~ s/\s+/ /g;
return $s;
}
sub parse_coord {
$_ = shift;
s/^[NE+]\s*//;
s/^[SW-]\s*/-/;
s/[°'"]+/ /g; # noise
s/,/./g;
s/(\d+) +([\d.]+)/$1 + $2 \/ 60.0/e;
s/([\d.]+) +([\d.]+)/$1 + $2 \/ 3600.0/e;
return $_;
}
sub new {
my $config = { # default values
projection => 'mercator',
west => -180,
north => 90,
east => 180,
south => -90,
#center_lon => 0,
dot_color => [255, 255, 255],
dot_border => [0, 0, 0],
dot_size => 2,
dot_shape => 'dot',
label_color => [255, 255, 0],
label_border => [0, 0, 0],
link_outside => 0,
link_color => [255, 128, 0],
#sign1_color => [100, 100, 100],
link_style => 'solid',
font => '/usr/share/ircmarkers/fixed_01.ttf',
ptsize => 6,
quiet => 0,
overlap => '/usr/lib/ircmarkers/overlap',
overlap_correction => 1,
help_convert_crop => 0,
};
bless $config;
}
sub default_options { # this will be obsolete if all items are deOOified
my $config = shift;
my $item = shift;
$item->{dot_color} ||= $config->{dot_color};
$item->{dot_border} ||= $config->{dot_border};
$item->{dot_size} ||= $config->{dot_size};
$item->{dot_shape} ||= $config->{dot_shape};
$item->{label_color} ||= $config->{label_color};
$item->{label_border} ||= $config->{label_border};
$item->{font} ||= $config->{font};
$item->{ptsize} ||= $config->{ptsize};
$item->{link_color} ||= $config->{link_color}; # only for links
}
sub parser_warn {
my $config = shift;
my $text = shift;
my $loc = $config->{file} ? "$config->{file}:$." : "-o";
warn "$loc: $text\n";
}
sub parse_options {
my $config = shift;
my $item = shift;
die "huh?" unless ref $item;
my $markernr = shift; # defined for markers, undef for yxlabels/links
my $opt = shift;
while($opt ne '') { # loop over options
$opt =~ s/^\s+|#.*//g;
last unless $opt ne '';
if(defined $markernr and $opt =~ s/^gpg[ :](?:0x)?([0-9a-f]{16})//i) { # ':' is deprecated old syntax
my $k = uc $1;
if($config->{gpg}->{$k} and $config->{gpg}->{$k} ne $markernr) {
warn "$config->{file}.$.: key $k already associated with $config->{gpg}->{$k}, overwriting with $markernr\n";
}
$config->{gpg}->{$k} = $markernr;
$config->{gpg_not_found}->{$k} = $markernr;
# local options
} elsif($opt =~ s/^dot_colou?r (\d+) (\d+) (\d+)//) {
$item->{dot_color} = [$1, $2, $3];
} elsif($opt =~ s/^dot_border (no(ne)?|off)//) {
$item->{dot_border} = -1;
} elsif($opt =~ s/^dot_border (\d+) (\d+) (\d+)//) {
$item->{dot_border} = [$1, $2, $3];
} elsif($opt =~ s/^dot_size (\d+)//) {
$item->{dot_size} = $1;
} elsif($opt =~ s/^dot_shape (dot|circle)//) {
$item->{dot_shape} = $1;
} elsif($opt =~ s/^label_colou?r (\d+) (\d+) (\d+)//) {
$item->{label_color} = [$1, $2, $3];
} elsif($opt =~ s/^label_border (no(ne)?|off)//) {
$item->{label_border} = -1;
} elsif($opt =~ s/^label_border (\d+) (\d+) (\d+)//) {
$item->{label_border} = [$1, $2, $3];
} elsif($opt =~ s/^font (\S+)//) {
die "font file not found: $1" unless -f $1;
$item->{font} = $1;
$item->{font} =~ s!^~/!$ENV{HOME}/!;
} elsif($opt =~ s/^(?:font|pt)size (\d+)//) {
$item->{ptsize} = $1;
} elsif($opt =~ s/^(?:link|sign2)_colou?r (\d+) (\d+) (\d+)//) {
$item->{link_color} = [$1, $2, $3];
} elsif($opt =~ s/^(?:link|sign2)_colou?r (no(ne?)|off)//) {
delete $item->{link_color};
# (mostly) pisg options
} elsif($opt =~ s/^alias "(.*?)"//) {
$item->{alias} = $item->{alias} ? "$item->{alias} $1" : $1;
} elsif($opt =~ s/^alias (\S+)//) {
$item->{alias} = $item->{alias} ? "$item->{alias} $1" : $1;
} elsif($opt =~ s/^(href|(?:big)?pic|sex) ("?)(\S+)\2//) {
$item->{$1} = $3;
# error
} else {
$config->parser_warn("unknown option: $opt");
last;
}
}
}
my $markernr = 0;
my $labelnr = 0;
my $linknr = 0;
sub parse {
my $config = shift;
$_ = shift;
s/^\s+//;
if(/^#include [<"](.+)[">]/) { # include next config file
$config->read($1);
return;
}
return if /^(#|$)/;
s/^([^"]+)/despace($1)/e; # compress space outside of quotes
s/([^"]+)$/despace($1)/e;
# global options
if(/^read (.+)/) {
$config->{read} = $1;
$config->{read} =~ s!^~/!$ENV{HOME}/!;
} elsif(/^write (.+)/) {
$config->{write} = $1;
$config->{write} =~ s!^~/!$ENV{HOME}/!;
} elsif(/^(lon|west_east) (.+)\/(.+)/) {
$config->{west} = $2;
$config->{east} = $3;
} elsif(/^(lat|south_north) (.+)\/(.+)/) {
$config->{south} = $2;
$config->{north} = $3;
} elsif(/^view_(lon|west_east) (.+)\/(.+)/) {
$config->{view_west} = $2;
$config->{view_east} = $3;
} elsif(/^view_(lat|south_north) (.+)\/(.+)/) {
$config->{view_south} = $2;
$config->{view_north} = $3;
} elsif(/^view_width (.+)/) {
$config->{view_width} = $1;
} elsif(/^view_height (.+)/) {
$config->{view_height} = $1;
} elsif(/^projection (mercator|sinusoidal)/) {
$config->{projection} = $1;
} elsif(/^center_lon (.+)/) {
$config->{center_lon} = $1;
} elsif(/^link_outside (on|yes)/) {
$config->{link_outside} = 1;
} elsif(/^link_outside (off|no)/) {
$config->{link_outside} = 0;
} elsif(/^sign1_colou?r (no(ne)?|off)$/) {
delete $config->{sign1_color};
} elsif(/^sign1_colou?r (\d+) (\d+) (\d+)$/) {
$config->{sign1_color} = [$1, $2, $3];
} elsif(/^imagemap (\S+)/) {
$config->{imagemap} = $1;
} elsif(/^overlap (.+)/) {
$config->{overlap} = $1;
} elsif(/^overlap_correction (on|yes)/) {
$config->{overlap_correction} = 1;
} elsif(/^overlap_correction (off|no)/) {
$config->{overlap_correction} = 0;
} elsif(/^pisg/) {
$config->{pisg} = 1;
} elsif(/^recv(?:-keys)/) {
$config->{recv} = 1;
} elsif(/^quiet (on|yes)/) {
$config->{quiet} = 1;
} elsif(/^quiet (off|no)/) {
$config->{quiet} = 0;
# link
} elsif(/"([^"]*)"\s+<?->\s+"([^"]+)"(.*)/) { # -> is old syntax
my ($src, $dst, $opt) = ($1, $2, $3);
my $srcnr = $config->{markerindex}->{$src};
my $dstnr = $config->{markerindex}->{$dst};
unless(defined $srcnr and defined $dstnr) {
$config->parser_warn("both link endpoints must be defined");
next;
}
$config->{links}->[$linknr] = { src => $srcnr, dst => $dstnr, arrow => '<->' };
$config->default_options($config->{links}->[$linknr]);
$config->parse_options($config->{links}->[$linknr], undef, $opt);
$linknr++;
# marker definitions
} elsif(/^([NS+-]? ?[\d.,°]+) ([EW+-]? ?[\d.,°]+) "([^"]*)"(.*)/ or
# N 51° 11.123 E 006° 25.846
/^([NS+-]? ?\d*[° ]+[\d.,]+'?) ([EW+-]? ?\d*[° ]+[\d.,]+'?) "([^"]*)"(.*)/ or
# N 51° 34' 11.123 E 006° 29' 25.846
/^([NS+-]? ?\d*[° ]+\d+[' ][\d.,]+"?) ([EW+-]? ?\d*[° ]+\d+[' ][\d.,]+"?) "([^"]*)"(.*)/) {
my ($lat, $lon, $text, $opt) = (parse_coord($1), parse_coord($2), $3, $4);
my $nr = $config->{markerindex}->{$text};
if(not defined $nr or $config->{markers}->[$nr]->{lat}) { # create new marker when coordinates are already there
$nr = $markernr++;
}
$config->{markers}->[$nr]->{text} = $text;
$config->{markers}->[$nr]->{lat} = $lat;
$config->{markers}->[$nr]->{lon} = $lon;
$config->{markerindex}->{$text} = $nr;
$config->default_options($config->{markers}->[$nr]);
$config->parse_options($config->{markers}->[$nr], $nr, $opt);
} elsif(/^([A-Z]{2}\d{2}[A-Z]{2}) "([^"]*)"(.*)/i) { # Maidenhead locator
my ($loc, $text, $opt) = ($1, $2, $3);
my ($p1, $p2, $p3, $p4, $p5, $p6) = unpack 'AAAAAA', uc($loc);
($p1, $p2, $p3, $p4, $p5, $p6) = (ord($p1)-ord('A'), ord($p2)-ord('A'), ord($p3)-ord('0'), ord($p4)-ord('0'), ord($p5)-ord('A'), ord($p6)-ord('A') );
my $lat = ($p2*10) + $p4 + (($p6+0.5)/24) - 90;
my $lon = ($p1*20) + ($p3*2) + (($p5+0.5)/12) - 180;
my $nr = $config->{markerindex}->{$text};
if(not defined $nr or $config->{markers}->[$nr]->{lat}) { # create new marker when coordinates are already there
$nr = $markernr++;
}
$config->{markers}->[$nr]->{text} = $text;
$config->{markers}->[$nr]->{lat} = $lat;
$config->{markers}->[$nr]->{lon} = $lon;
$config->{markerindex}->{$text} = $nr;
$config->default_options($config->{markers}->[$nr]);
$config->parse_options($config->{markers}->[$nr], $nr, $opt);
} elsif(/^"([^"]*)"(.*)/) { # marker with options
my ($text, $opt, $i) = ($1, $2);
my $nr = $config->{markerindex}->{$text};
if(not defined $nr) {
$nr = $markernr++;
$config->{markers}->[$nr]->{text} = $text;
}
$config->default_options($config->{markers}->[$nr]);
$config->parse_options($config->{markers}->[$nr], $config->{markerindex}->{$text}, $opt);
} elsif(/^label ([+-]?\d+) ([+-]?\d+) "([^"]+)"(.*)/) {
$config->{yxlabels}->[$labelnr] = { labely => $1, labelx => $2, text => $3 };
my $opt = $4;
$config->default_options($config->{yxlabels}->[$labelnr]);
$config->parse_options($config->{yxlabels}->[$labelnr], undef, $opt);
$labelnr++;
} elsif(/^polygon ([+-]?\d+) ([+-]?\d+) "([^"]+)"(.*)/) {
# TODO
# everything else is a globally applied local option or a syntax error
} else {
$config->parse_options($config, undef, $_);
}
}
sub read {
my $config = shift;
my $file = shift || die "read: no filename";
$file =~ s!^~/!$ENV{HOME}/!;
$config->{file} = $file;
my $fh = IO::File->new($file) or die "$file: $!";
while (<$fh>) {
chomp;
$config->parse($_);
}
close $fh;
return $config;
}
sub get_gpg_links {
my $config = shift;
my $keys = join ' ', keys %{$config->{gpg}};
if ($config->{recv}) {
system "gpg --recv-keys $keys";
}
open GPG, "gpg --list-sigs --with-colon --fixed-list-mode --fast-list-mode $keys |" or die "gpg: $!";
my ($key, $src);
while(<GPG>) {
chomp;
next if /^(rev|sub|tru|uat):/;
if(/^pub::\d+:\d+:([0-9A-F]+):/) {
$key = $1;
warn "$key not related to any marker - did you use the long (16 char) keyid?\n" unless defined $config->{gpg}->{$key};
$src = $config->{gpg}->{$key};
delete $config->{gpg_not_found}->{$key};
} elsif(/^sig:::\d+:([0-9A-F]+):/) {
next unless defined $config->{gpg}->{$1}; # target not on map
next if $key eq $1; # self-sig
$config->{gpg_links}->{$config->{gpg}->{$1}}->{$src} = 1;
} else {
warn "unknown gpg output: $_";
}
}
foreach my $key (keys %{$config->{gpg_not_found}}) {
warn "$config->{gpg_not_found}->{$key}: key $key was not found in gpg's keyring\n";
}
foreach my $source (keys %{$config->{gpg_links}}) {
next unless $config->{link_outside} or $config->{markers}->[$source]->{visible};
foreach my $target (keys %{$config->{gpg_links}->{$source}}) {
next unless $config->{link_outside} or $config->{markers}->[$target]->{visible};
my ($arrow, $color);
if($config->{gpg_links}->{$target}->{$source}) { # bidirectional link
next if $target gt $source; # process only once
$color = $config->{link_color};
$arrow = "<->";
} else {
$color = $config->{sign1_color} or next; # don't draw unidirectional links
$arrow = "-->";
}
next if not defined $config->{markers}->[$source]->{lat};
next if not defined $config->{markers}->[$target]->{lat};
push @{ $config->{links} },
{ src => $source, dst => $target, link_color => $color, arrow => $arrow };
}
}
}
1;
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