597 lines
16 KiB
Perl
597 lines
16 KiB
Perl
#!/usr/bin/perl
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# Copyright 2011 Blars Blarson
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# Released under GPL version 2
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package IkiWiki::Plugin::osm;
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use utf8;
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use strict;
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use warnings;
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use IkiWiki 3.0;
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sub import {
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add_underlay("osm");
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hook(type => "getsetup", id => "osm", call => \&getsetup);
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hook(type => "format", id => "osm", call => \&format);
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hook(type => "preprocess", id => "osm", call => \&preprocess);
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hook(type => "preprocess", id => "waypoint", call => \&process_waypoint);
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hook(type => "savestate", id => "waypoint", call => \&savestate);
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hook(type => "cgi", id => "osm", call => \&cgi);
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}
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sub getsetup () {
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return
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plugin => {
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safe => 1,
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rebuild => 1,
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section => "special-purpose",
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},
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osm_default_zoom => {
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type => "integer",
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example => "15",
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description => "the default zoom when you click on the map link",
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safe => 1,
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rebuild => 1,
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},
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osm_default_icon => {
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type => "string",
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example => "ikiwiki/images/osm.png",
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description => "the icon shown on links and on the main map",
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safe => 0,
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rebuild => 1,
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},
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osm_alt => {
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type => "string",
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example => "",
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description => "the alt tag of links, defaults to empty",
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safe => 0,
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rebuild => 1,
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},
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osm_format => {
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type => "string",
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example => "KML",
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description => "the output format for waypoints, can be KML, GeoJSON or CSV (one or many, comma-separated)",
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safe => 1,
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rebuild => 1,
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},
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osm_tag_default_icon => {
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type => "string",
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example => "icon.png",
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description => "the icon attached to a tag, displayed on the map for tagged pages",
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safe => 0,
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rebuild => 1,
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},
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osm_openlayers_url => {
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type => "string",
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example => "http://www.openlayers.org/api/OpenLayers.js",
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description => "Url for the OpenLayers.js file",
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safe => 0,
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rebuild => 1,
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},
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osm_layers => {
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type => "string",
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example => { 'OSM', 'GoogleSatellite' },
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description => "Layers to use in the map. Can be either the 'OSM' string or a type option for Google maps (GoogleNormal, GoogleSatellite, GoogleHybrid or GooglePhysical). It can also be an arbitrary URL in a syntax acceptable for OpenLayers.Layer.OSM.url parameter.",
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safe => 0,
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rebuild => 1,
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},
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osm_google_apikey => {
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type => "string",
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example => "",
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description => "Google maps API key, Google layer not used if missing, see https://code.google.com/apis/console/ to get an API key",
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safe => 1,
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rebuild => 1,
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},
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}
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sub register_rendered_files {
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my $map = shift;
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my $page = shift;
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my $dest = shift;
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if ($page eq $dest) {
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my %formats = get_formats();
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if ($formats{'GeoJSON'}) {
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will_render($page, "$map/pois.json");
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}
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if ($formats{'CSV'}) {
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will_render($page, "$map/pois.txt");
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}
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if ($formats{'KML'}) {
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will_render($page, "$map/pois.kml");
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}
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}
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}
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sub preprocess {
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my %params=@_;
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my $page = $params{page};
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my $dest = $params{destpage};
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my $loc = $params{loc}; # sanitized below
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my $lat = $params{lat}; # sanitized below
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my $lon = $params{lon}; # sanitized below
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my $href = $params{href};
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my ($width, $height, $float);
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$height = scrub($params{'height'} || "300px", $page, $dest); # sanitized here
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$width = scrub($params{'width'} || "500px", $page, $dest); # sanitized here
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$float = (defined($params{'right'}) && 'right') || (defined($params{'left'}) && 'left'); # sanitized here
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my $zoom = scrub($params{'zoom'} // $config{'osm_default_zoom'} // 15, $page, $dest); # sanitized below
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my $map;
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$map = $params{'map'} || 'map';
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$map = scrub($map, $page, $dest); # sanitized here
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my $name = scrub($params{'name'} || $map, $page, $dest);
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if (defined($lon) || defined($lat) || defined($loc)) {
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($lon, $lat) = scrub_lonlat($loc, $lon, $lat);
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}
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if ($zoom !~ /^\d\d?$/ || $zoom < 2 || $zoom > 18) {
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error("Bad zoom");
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}
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if (! defined $href || ! length $href) {
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$href=IkiWiki::cgiurl(
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do => "osm",
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map => $map,
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);
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}
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register_rendered_files($map, $page, $dest);
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$pagestate{$page}{'osm'}{$map}{'displays'}{$name} = {
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height => $height,
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width => $width,
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float => $float,
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zoom => $zoom,
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fullscreen => 0,
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editable => defined($params{'editable'}),
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lat => $lat,
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lon => $lon,
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href => $href,
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google_apikey => $config{'osm_google_apikey'},
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};
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return "<div id=\"mapdiv-$name\"></div>";
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}
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sub process_waypoint {
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my %params=@_;
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my $loc = $params{'loc'}; # sanitized below
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my $lat = $params{'lat'}; # sanitized below
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my $lon = $params{'lon'}; # sanitized below
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my $page = $params{'page'}; # not sanitized?
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my $dest = $params{'destpage'}; # not sanitized?
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my $hidden = defined($params{'hidden'}); # sanitized here
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my ($p) = $page =~ /(?:^|\/)([^\/]+)\/?$/; # shorter page name
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my $name = scrub($params{'name'} || $p, $page, $dest); # sanitized here
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my $desc = scrub($params{'desc'} || '', $page, $dest); # sanitized here
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my $zoom = scrub($params{'zoom'} // $config{'osm_default_zoom'} // 15, $page, $dest); # sanitized below
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my $icon = $config{'osm_default_icon'} || "ikiwiki/images/osm.png"; # sanitized: we trust $config
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my $map = scrub($params{'map'} || 'map', $page, $dest); # sanitized here
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my $alt = $config{'osm_alt'} ? "alt=\"$config{'osm_alt'}\"" : ''; # sanitized: we trust $config
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if ($zoom !~ /^\d\d?$/ || $zoom < 2 || $zoom > 18) {
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error("Bad zoom");
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}
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($lon, $lat) = scrub_lonlat($loc, $lon, $lat);
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if (!defined($lat) || !defined($lon)) {
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error("Must specify lat and lon");
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}
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my $tag = $params{'tag'};
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foreach my $t (keys %{$typedlinks{$page}{'tag'}}) {
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if ($icon = get_tag_icon($t)) {
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$tag = $t;
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last;
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}
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$t =~ s!/$config{'tagbase'}/!!;
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if ($icon = get_tag_icon($t)) {
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$tag = $t;
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last;
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}
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}
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$icon = urlto($icon, $dest, 1);
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$icon =~ s!/*$!!; # hack - urlto shouldn't be appending a slash in the first place
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$tag = '' unless $tag;
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register_rendered_files($map, $page, $dest);
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$pagestate{$page}{'osm'}{$map}{'waypoints'}{$name} = {
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page => $page,
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desc => $desc,
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icon => $icon,
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tag => $tag,
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lat => $lat,
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lon => $lon,
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# How to link back to the page from the map, not to be
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# confused with the URL of the map itself sent to the
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# embeded map below. Note: used in generated KML etc file,
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# so must be absolute.
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href => urlto($page),
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};
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my $mapurl = IkiWiki::cgiurl(
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do => "osm",
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map => $map,
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lat => $lat,
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lon => $lon,
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zoom => $zoom,
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);
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my $output = '';
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if (defined($params{'embed'})) {
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$output .= preprocess(%params,
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href => $mapurl,
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);
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}
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if (!$hidden) {
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$output .= "<a href=\"$mapurl\"><img class=\"img\" src=\"$icon\" $alt /></a>";
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}
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return $output;
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}
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# get the icon from the given tag
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sub get_tag_icon($) {
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my $tag = shift;
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# look for an icon attached to the tag
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my $attached = $tag . '/' . $config{'osm_tag_default_icon'};
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if (srcfile($attached)) {
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return $attached;
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}
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else {
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return undef;
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}
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}
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sub scrub_lonlat($$$) {
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my ($loc, $lon, $lat) = @_;
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if ($loc) {
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if ($loc =~ /^\s*(\-?\d+(?:\.\d*°?|(?:°?|\s)\s*\d+(?:\.\d*\'?|(?:\'|\s)\s*\d+(?:\.\d*)?\"?|\'?)°?)[NS]?)\s*\,?\;?\s*(\-?\d+(?:\.\d*°?|(?:°?|\s)\s*\d+(?:\.\d*\'?|(?:\'|\s)\s*\d+(?:\.\d*)?\"?|\'?)°?)[EW]?)\s*$/) {
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$lat = $1;
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$lon = $2;
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}
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else {
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error("Bad loc");
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}
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}
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if (defined($lat)) {
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if ($lat =~ /^(\-?)(\d+)(?:(\.\d*)°?|(?:°|\s)\s*(\d+)(?:(\.\d*)\'?|(?:\'|\s)\s*(\d+(?:\.\d*)?\"?)|\'?)|°?)\s*([NS])?\s*$/) {
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$lat = $2 + ($3//0) + ((($4//0) + (($5//0) + (($6//0)/60.)))/60.);
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if (($1 eq '-') || (($7//'') eq 'S')) {
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$lat = - $lat;
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}
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}
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else {
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error("Bad lat");
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}
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}
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if (defined($lon)) {
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if ($lon =~ /^(\-?)(\d+)(?:(\.\d*)°?|(?:°|\s)\s*(\d+)(?:(\.\d*)\'?|(?:\'|\s)\s*(\d+(?:\.\d*)?\"?)|\'?)|°?)\s*([EW])?$/) {
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$lon = $2 + ($3//0) + ((($4//0) + (($5//0) + (($6//0)/60.)))/60.);
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if (($1 eq '-') || (($7//'') eq 'W')) {
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$lon = - $lon;
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}
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}
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else {
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error("Bad lon");
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}
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}
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if ($lat < -90 || $lat > 90 || $lon < -180 || $lon > 180) {
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error("Location out of range");
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}
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return ($lon, $lat);
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}
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sub savestate {
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my %waypoints = ();
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my %linestrings = ();
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foreach my $page (keys %pagestate) {
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if (exists $pagestate{$page}{'osm'}) {
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foreach my $map (keys %{$pagestate{$page}{'osm'}}) {
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foreach my $name (keys %{$pagestate{$page}{'osm'}{$map}{'waypoints'}}) {
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debug("found waypoint $name");
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$waypoints{$map}{$name} = $pagestate{$page}{'osm'}{$map}{'waypoints'}{$name};
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}
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}
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}
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}
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foreach my $page (keys %pagestate) {
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if (exists $pagestate{$page}{'osm'}) {
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foreach my $map (keys %{$pagestate{$page}{'osm'}}) {
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# examine the links on this page
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foreach my $name (keys %{$pagestate{$page}{'osm'}{$map}{'waypoints'}}) {
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if (exists $links{$page}) {
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foreach my $otherpage (@{$links{$page}}) {
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if (exists $waypoints{$map}{$otherpage}) {
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push(@{$linestrings{$map}}, [
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[ $waypoints{$map}{$name}{'lon'}, $waypoints{$map}{$name}{'lat'} ],
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[ $waypoints{$map}{$otherpage}{'lon'}, $waypoints{$map}{$otherpage}{'lat'} ]
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]);
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}
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}
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}
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}
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}
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# clear the state, it will be regenerated on the next parse
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# the idea here is to clear up removed waypoints...
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$pagestate{$page}{'osm'} = ();
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}
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}
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my %formats = get_formats();
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if ($formats{'GeoJSON'}) {
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writejson(\%waypoints, \%linestrings);
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}
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if ($formats{'CSV'}) {
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writecsvs(\%waypoints, \%linestrings);
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}
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if ($formats{'KML'}) {
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writekml(\%waypoints, \%linestrings);
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}
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}
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sub writejson($;$) {
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my %waypoints = %{$_[0]};
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my %linestrings = %{$_[1]};
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eval q{use JSON};
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error $@ if $@;
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foreach my $map (keys %waypoints) {
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my %geojson = ( "type" => "FeatureCollection", "features" => []);
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foreach my $name (keys %{$waypoints{$map}}) {
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my %marker = ( "type" => "Feature",
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"geometry" => { "type" => "Point", "coordinates" => [ $waypoints{$map}{$name}{'lon'}, $waypoints{$map}{$name}{'lat'} ] },
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"properties" => $waypoints{$map}{$name} );
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push @{$geojson{'features'}}, \%marker;
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}
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foreach my $linestring (@{$linestrings{$map}}) {
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my %json = ( "type" => "Feature",
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"geometry" => { "type" => "LineString", "coordinates" => $linestring });
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push @{$geojson{'features'}}, \%json;
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}
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writefile("pois.json", $config{destdir} . "/$map", to_json(\%geojson));
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}
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}
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sub writekml($;$) {
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my %waypoints = %{$_[0]};
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my %linestrings = %{$_[1]};
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eval q{use XML::Writer};
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error $@ if $@;
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foreach my $map (keys %waypoints) {
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my $output;
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my $writer = XML::Writer->new( OUTPUT => \$output,
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DATA_MODE => 1, DATA_INDENT => ' ', ENCODING => 'UTF-8');
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$writer->xmlDecl();
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$writer->startTag("kml", "xmlns" => "http://www.opengis.net/kml/2.2");
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$writer->startTag("Document");
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# first pass: get the icons
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my %tags_map = (); # keep track of tags seen
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foreach my $name (keys %{$waypoints{$map}}) {
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my %options = %{$waypoints{$map}{$name}};
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if (!$tags_map{$options{tag}}) {
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debug("found new style " . $options{tag});
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$tags_map{$options{tag}} = ();
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$writer->startTag("Style", id => $options{tag});
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$writer->startTag("IconStyle");
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$writer->startTag("Icon");
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$writer->startTag("href");
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$writer->characters($options{icon});
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$writer->endTag();
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$writer->endTag();
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$writer->endTag();
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$writer->endTag();
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}
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$tags_map{$options{tag}}{$name} = \%options;
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}
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foreach my $name (keys %{$waypoints{$map}}) {
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my %options = %{$waypoints{$map}{$name}};
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$writer->startTag("Placemark");
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$writer->startTag("name");
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$writer->characters($name);
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$writer->endTag();
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$writer->startTag("styleUrl");
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$writer->characters('#' . $options{tag});
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$writer->endTag();
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#$writer->emptyTag('atom:link', href => $options{href});
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# to make it easier for us as the atom:link parameter is
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# hard to access from javascript
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$writer->startTag('href');
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$writer->characters($options{href});
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$writer->endTag();
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$writer->startTag("description");
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$writer->characters($options{desc});
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$writer->endTag();
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$writer->startTag("Point");
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$writer->startTag("coordinates");
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$writer->characters($options{lon} . "," . $options{lat});
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$writer->endTag();
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$writer->endTag();
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$writer->endTag();
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}
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my $i = 0;
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foreach my $linestring (@{$linestrings{$map}}) {
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$writer->startTag("Placemark");
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$writer->startTag("name");
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$writer->characters("linestring " . $i++);
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$writer->endTag();
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$writer->startTag("LineString");
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$writer->startTag("coordinates");
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my $str = '';
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foreach my $coord (@{$linestring}) {
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$str .= join(',', @{$coord}) . " \n";
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}
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$writer->characters($str);
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$writer->endTag();
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$writer->endTag();
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$writer->endTag();
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}
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$writer->endTag();
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$writer->endTag();
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$writer->end();
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writefile("pois.kml", $config{destdir} . "/$map", $output);
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}
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}
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sub writecsvs($;$) {
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my %waypoints = %{$_[0]};
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foreach my $map (keys %waypoints) {
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my $poisf = "lat\tlon\ttitle\tdescription\ticon\ticonSize\ticonOffset\n";
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foreach my $name (keys %{$waypoints{$map}}) {
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my %options = %{$waypoints{$map}{$name}};
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my $line =
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$options{'lat'} . "\t" .
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$options{'lon'} . "\t" .
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$name . "\t" .
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$options{'desc'} . '<br /><a href="' . $options{'page'} . '">' . $name . "</a>\t" .
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$options{'icon'} . "\n";
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$poisf .= $line;
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}
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writefile("pois.txt", $config{destdir} . "/$map", $poisf);
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}
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}
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# pipe some data through the HTML scrubber
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#
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# code taken from the meta.pm plugin
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sub scrub($$$) {
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if (IkiWiki::Plugin::htmlscrubber->can("sanitize")) {
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return IkiWiki::Plugin::htmlscrubber::sanitize(
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content => shift, page => shift, destpage => shift);
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}
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else {
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return shift;
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}
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}
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# taken from toggle.pm
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sub format (@) {
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my %params=@_;
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if ($params{content}=~m!<div[^>]*id="mapdiv-[^"]*"[^>]*>!g) {
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if (! ($params{content}=~s!</body>!include_javascript($params{page})."</body>"!em)) {
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|
# no <body> tag, probably in preview mode
|
|
$params{content}=$params{content} . include_javascript($params{page});
|
|
}
|
|
}
|
|
return $params{content};
|
|
}
|
|
|
|
sub preferred_format() {
|
|
if (!defined($config{'osm_format'}) || !$config{'osm_format'}) {
|
|
$config{'osm_format'} = 'KML';
|
|
}
|
|
my @spl = split(/, */, $config{'osm_format'});
|
|
return shift @spl;
|
|
}
|
|
|
|
sub get_formats() {
|
|
if (!defined($config{'osm_format'}) || !$config{'osm_format'}) {
|
|
$config{'osm_format'} = 'KML';
|
|
}
|
|
map { $_ => 1 } split(/, */, $config{'osm_format'});
|
|
}
|
|
|
|
sub include_javascript ($) {
|
|
my $page=shift;
|
|
my $loader;
|
|
|
|
if (exists $pagestate{$page}{'osm'}) {
|
|
foreach my $map (keys %{$pagestate{$page}{'osm'}}) {
|
|
foreach my $name (keys %{$pagestate{$page}{'osm'}{$map}{'displays'}}) {
|
|
$loader .= map_setup_code($map, $name, %{$pagestate{$page}{'osm'}{$map}{'displays'}{$name}});
|
|
}
|
|
}
|
|
}
|
|
if ($loader) {
|
|
return embed_map_code($page) . "<script type=\"text/javascript\">$loader</script>";
|
|
}
|
|
else {
|
|
return '';
|
|
}
|
|
}
|
|
|
|
sub cgi($) {
|
|
my $cgi=shift;
|
|
|
|
return unless defined $cgi->param('do') &&
|
|
$cgi->param("do") eq "osm";
|
|
|
|
IkiWiki::loadindex();
|
|
|
|
IkiWiki::decode_cgi_utf8($cgi);
|
|
|
|
my $map = $cgi->param('map');
|
|
if (!defined $map || $map !~ /^[a-z]*$/) {
|
|
error("invalid map parameter");
|
|
}
|
|
|
|
print "Content-Type: text/html\r\n";
|
|
print ("\r\n");
|
|
print "<html><body>";
|
|
print "<div id=\"mapdiv-$map\"></div>";
|
|
print embed_map_code();
|
|
print "<script type=\"text/javascript\">";
|
|
print map_setup_code($map, $map,
|
|
lat => "urlParams['lat']",
|
|
lon => "urlParams['lon']",
|
|
zoom => "urlParams['zoom']",
|
|
fullscreen => 1,
|
|
editable => 1,
|
|
google_apikey => $config{'osm_google_apikey'},
|
|
);
|
|
print "</script>";
|
|
print "</body></html>";
|
|
|
|
exit 0;
|
|
}
|
|
|
|
sub embed_map_code(;$) {
|
|
my $page=shift;
|
|
my $olurl = $config{osm_openlayers_url} || "http://www.openlayers.org/api/OpenLayers.js";
|
|
my $code = '<script src="'.$olurl.'" type="text/javascript" charset="utf-8"></script>'."\n".
|
|
'<script src="'.urlto("ikiwiki/osm.js", $page).
|
|
'" type="text/javascript" charset="utf-8"></script>'."\n";
|
|
if ($config{'osm_google_apikey'}) {
|
|
$code .= '<script src="http://maps.google.com/maps?file=api&v=2&key='.$config{'osm_google_apikey'}.'&sensor=false" type="text/javascript" charset="utf-8"></script>';
|
|
}
|
|
return $code;
|
|
}
|
|
|
|
sub map_setup_code($;@) {
|
|
my $map=shift;
|
|
my $name=shift;
|
|
my %options=@_;
|
|
|
|
my $mapurl = $config{osm_map_url};
|
|
|
|
eval q{use JSON};
|
|
error $@ if $@;
|
|
|
|
$options{'format'} = preferred_format();
|
|
|
|
my %formats = get_formats();
|
|
if ($formats{'GeoJSON'}) {
|
|
$options{'jsonurl'} = urlto($map."/pois.json");
|
|
}
|
|
if ($formats{'CSV'}) {
|
|
$options{'csvurl'} = urlto($map."/pois.txt");
|
|
}
|
|
if ($formats{'KML'}) {
|
|
$options{'kmlurl'} = urlto($map."/pois.kml");
|
|
}
|
|
|
|
if ($mapurl) {
|
|
$options{'mapurl'} = $mapurl;
|
|
}
|
|
$options{'layers'} = $config{osm_layers};
|
|
|
|
$name=~s/'//g; # $name comes from user input
|
|
return "mapsetup('mapdiv-$name', " . to_json(\%options) . ");";
|
|
}
|
|
|
|
1;
|