1 module BrowseTagsHelper
3 if url = wiki_link("key", key)
4 link_to h(key), url, :title => t("browse.tag_details.wiki_link.key", :key => key)
10 def format_value(key, value)
11 if wp = wikipedia_link(key, value)
12 link_to h(wp[:title]), wp[:url], :title => t("browse.tag_details.wikipedia_link", :page => wp[:title])
13 elsif wdt = wikidata_links(key, value)
14 # IMPORTANT: Note that wikidata_links() returns an array of hashes, unlike for example wikipedia_link(),
15 # which just returns one such hash.
17 link_to(w[:title], w[:url], :title => t("browse.tag_details.wikidata_link", :page => w[:title].strip))
20 elsif wmc = wikimedia_commons_link(key, value)
21 link_to h(wmc[:title]), wmc[:url], :title => t("browse.tag_details.wikimedia_commons_link", :page => wmc[:title])
22 elsif url = wiki_link("tag", "#{key}=#{value}")
23 link_to h(value), url, :title => t("browse.tag_details.wiki_link.tag", :key => key, :value => value)
24 elsif emails = email_links(key, value)
25 # similarly, email_links() returns an array of emails
26 emails = emails.map do |e|
27 link_to(h(e[:email]), e[:url], :title => t("browse.tag_details.email_link", :email => e[:email]))
29 safe_join(emails, "; ")
30 elsif phones = telephone_links(key, value)
31 # similarly, telephone_links() returns an array of phone numbers
32 phones = phones.map do |p|
33 link_to(h(p[:phone_number]), p[:url], :title => t("browse.tag_details.telephone_link", :phone_number => p[:phone_number]))
35 safe_join(phones, "; ")
36 elsif colour_value = colour_preview(key, value)
37 content_tag(:span, "", :class => "colour-preview-box", :"data-colour" => colour_value, :title => t("browse.tag_details.colour_preview", :colour_value => colour_value)) + colour_value
45 def wiki_link(type, lookup)
46 locale = I18n.locale.to_s
48 # update-wiki-pages does s/ /_/g on keys before saving them, we
49 # have to replace spaces with underscore so we'll link
50 # e.g. `source=Isle of Man Government aerial imagery (2001)' to
52 lookup_us = lookup.tr(" ", "_")
54 if page = WIKI_PAGES.dig(locale, type, lookup_us)
55 url = "https://wiki.openstreetmap.org/wiki/#{page}?uselang=#{locale}"
56 elsif page = WIKI_PAGES.dig("en", type, lookup_us)
57 url = "https://wiki.openstreetmap.org/wiki/#{page}?uselang=#{locale}"
63 def wikipedia_link(key, value)
64 # Some k/v's are wikipedia=http://en.wikipedia.org/wiki/Full%20URL
65 return nil if value =~ %r{^https?://}
68 # This regex should match Wikipedia language codes, everything
69 # from de to zh-classical
70 lang = if value =~ /^([a-z-]{2,12}):(.+)$/i
71 # Value is <lang>:<title> so split it up
72 # Note that value is always left as-is, see: https://trac.openstreetmap.org/ticket/4315
75 # Value is <title> so default to English Wikipedia
78 elsif key =~ /^wikipedia:(\S+)$/
79 # Language is in the key, so assume value is the title
80 lang = Regexp.last_match(1)
82 # Not a wikipedia key!
86 if value =~ /^([^#]*)#(.*)/
87 # Contains a reference to a section of the wikipedia article
88 # Must break it up to correctly build the url
89 value = Regexp.last_match(1)
90 section = "#" + Regexp.last_match(2)
91 encoded_section = "#" + CGI.escape(Regexp.last_match(2).gsub(/ +/, "_")).tr("%", ".")
98 :url => "https://#{lang}.wikipedia.org/wiki/#{value}?uselang=#{I18n.locale}#{encoded_section}",
99 :title => value + section
103 def wikidata_links(key, value)
104 # The simple wikidata-tag (this is limited to only one value)
105 if key == "wikidata" && value =~ /^[Qq][1-9][0-9]*$/
107 :url => "//www.wikidata.org/entity/#{value}?uselang=#{I18n.locale}",
110 # Key has to be one of the accepted wikidata-tags
111 elsif key =~ /(architect|artist|brand|name:etymology|network|operator|subject):wikidata/ &&
112 # Value has to be a semicolon-separated list of wikidata-IDs (whitespaces allowed before and after semicolons)
113 value =~ /^[Qq][1-9][0-9]*(\s*;\s*[Qq][1-9][0-9]*)*$/
114 # Splitting at every semicolon to get a separate hash for each wikidata-ID
115 return value.split(";").map do |id|
116 { :title => id, :url => "//www.wikidata.org/entity/#{id.strip}?uselang=#{I18n.locale}" }
122 def wikimedia_commons_link(key, value)
123 if key == "wikimedia_commons" && value =~ /^(?:file|category):/i
125 :url => "//commons.wikimedia.org/wiki/#{value}?uselang=#{I18n.locale}",
132 def email_links(_key, value)
133 # Does value look like an email? eg "someone@domain.tld"
134 # or a list of alternate emails separated by ;
136 # Uses WHATWG implementation of email validation, which follows RFC 1123
137 # but is a willful violation of RFC 5322.
138 # (see: https://html.spec.whatwg.org/multipage/input.html#valid-e-mail-address)
139 if value.match?(%r{^\s*[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+
140 @[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*\s*
141 (;\s*[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+
142 @[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*\s*)*$
144 return value.split(";").map do |email|
145 # remove any leading or trailing whitespace if present
148 # add 'mailto:'' prefix
149 { :email => email, :url => "mailto:#{email}" }
155 def telephone_links(_key, value)
156 # Does it look like a global phone number? eg "+1 (234) 567-8901 "
157 # or a list of alternate numbers separated by ;
159 # Per RFC 3966, this accepts the visual separators -.() within the number,
160 # which are displayed and included in the tel: URL, and accepts whitespace,
161 # which is displayed but not included in the tel: URL.
162 # (see: http://tools.ietf.org/html/rfc3966#section-5.1.1)
164 # Also accepting / as a visual separator although not given in RFC 3966,
165 # because it is used as a visual separator in OSM data in some countries.
166 if value.match?(%r{^\s*\+[\d\s\(\)/\.-]{6,25}\s*(;\s*\+[\d\s\(\)/\.-]{6,25}\s*)*$})
167 return value.split(";").map do |phone_number|
168 # for display, remove leading and trailing whitespace
169 phone_number = phone_number.strip
171 # for tel: URL, remove all whitespace
172 # "+1 (234) 567-8901 " -> "tel:+1(234)567-8901"
173 phone_no_whitespace = phone_number.gsub(/\s+/, "")
174 { :phone_number => phone_number, :url => "tel:#{phone_no_whitespace}" }
180 def colour_preview(key, value)
181 return nil unless key =~ /^(?>.+:)?colour$/ && !value.nil? # see discussion at https://github.com/openstreetmap/openstreetmap-website/pull/1779
183 # does value look like a colour? ( 3 or 6 digit hex code or w3c colour name)
185 %w[aliceblue antiquewhite aqua aquamarine azure beige bisque black blanchedalmond blue blueviolet brown burlywood cadetblue chartreuse chocolate
186 coral cornflowerblue cornsilk crimson cyan darkblue darkcyan darkgoldenrod darkgray darkgrey darkgreen darkkhaki darkmagenta darkolivegreen
187 darkorange darkorchid darkred darksalmon darkseagreen darkslateblue darkslategray darkslategrey darkturquoise darkviolet deeppink deepskyblue
188 dimgray dimgrey dodgerblue firebrick floralwhite forestgreen fuchsia gainsboro ghostwhite gold goldenrod gray grey green greenyellow honeydew
189 hotpink indianred indigo ivory khaki lavender lavenderblush lawngreen lemonchiffon lightblue lightcoral lightcyan lightgoldenrodyellow lightgray
190 lightgrey lightgreen lightpink lightsalmon lightseagreen lightskyblue lightslategray lightslategrey lightsteelblue lightyellow lime limegreen
191 linen magenta maroon mediumaquamarine mediumblue mediumorchid mediumpurple mediumseagreen mediumslateblue mediumspringgreen mediumturquoise
192 mediumvioletred midnightblue mintcream mistyrose moccasin navajowhite navy oldlace olive olivedrab orange orangered orchid palegoldenrod
193 palegreen paleturquoise palevioletred papayawhip peachpuff peru pink plum powderblue purple red rosybrown royalblue saddlebrown salmon
194 sandybrown seagreen seashell sienna silver skyblue slateblue slategray slategrey snow springgreen steelblue tan teal thistle tomato turquoise
195 violet wheat white whitesmoke yellow yellowgreen]
196 return nil unless value =~ /^#([0-9a-fA-F]{3}){1,2}$/ || w3c_colors.include?(value.downcase)