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# web/lib/utils.rb
# patches convenience methods into base classes
class Fixnum
# convert to string with this space as thousand separator
def to_s_with_ts
self.to_s.gsub(/(\d)(?=(\d\d\d)+(?!\d))/, "\\1 ")
end
end
class String
def titlecase
self[0,1].upcase + self[1,self.size].downcase
end
end
class Numeric
def to_bytes
if self >= 1024*1024
unit = 'MB'
value = self / (1024*1024)
elsif self >= 1024
unit = 'kB'
value = self / 1024
else
unit = 'B'
end
value.to_i.to_s + ' ' + unit
end
end
class Float
def round_to(n=0)
(self * (10.0 ** n)).round * (10.0 ** (-n))
end
end
def title
@title = [] if @title.nil?
@title = [@title] unless @title.is_a?(Array)
@title << TaginfoConfig.get('instance.name', 'OpenStreetMap Taginfo')
@title.join(' | ')
end
def section(id)
@section = id.to_s
@section_title = (@section =~ /^(keys|tags)$/) ? t.osm[@section] : t.taginfo[@section]
end
# Escape tag key or value for XAPI according to
# http://wiki.openstreetmap.org/wiki/XAPI#Escaping
def xapi_escape(text)
text.gsub(/([|\[\]*\/=()\\])/, '\\\\\1')
end
def xapi_url(element, key, value=nil)
predicate = xapi_escape(key) + '='
if value.nil?
predicate += '*'
else
predicate += xapi_escape(value)
end
TaginfoConfig.get('xapi.url_prefix', 'http://www.informationfreeway.org/api/0.6/') + "#{ element }[#{ Rack::Utils::escape(predicate) }]"
end
def xapi_link(element, key, value=nil)
'<span class="button">' + external_link('xapi_button', 'XAPI', xapi_url(element, key, value), true) + '</span>'
end
def josm_link(element, key, value=nil)
'<span class="button">' + external_link('josm_button', 'JOSM', 'http://localhost:8111/import?url=' + Rack::Utils::escape(xapi_url(element, key, value)), true) + '</span>'
end
def external_link(id, title, link, new_window=false)
target = new_window ? 'target="_blank" ' : ''
%Q{<a id="#{id}" #{target}rel="nofollow" class="extlink" href="#{link}">#{title}</a>}
end
def tagcloud_size(tag)
x = tag['scale1'].to_f / 17 / 2 + tag['pos'] / 2
(x * 32 + 10).to_i
end
def get_filter
f = params[:filter].to_s == '' ? 'all' : params[:filter]
if f !~ /^(all|nodes|ways|relations)$/
raise ArgumentError, "unknown filter"
end
f
end
def get_total(type)
key = {
'all' => 'objects',
'nodes' => 'nodes_with_tags',
'ways' => 'ways',
'relations' => 'relations' }[type]
return @db.stats(key)
end
# see also web/public/js/taginfo.js
def pp_key(key)
if key == ''
return '<span class="badchar empty">empty string</span>'
end
pp_chars = '!"#$%&()*+,-/;<=>?@[\\]^`{|}~' + "'";
result = ''
key.each_char do |c|
if (!pp_chars.index(c).nil?)
result += '<span class="badchar">' + c + '</span>'
elsif (c == ' ')
result += '<span class="badchar">␣</span>'
elsif (c.match(/\s/))
result += '<span class="whitespace"> </span>'
else
result += c;
end
end
return result;
end
# see also web/public/js/taginfo.js
def pp_value(value)
if value == ''
return '<span class="badchar empty">empty string</span>'
end
return escape_html(value).gsub(/ /, '␣').gsub(/\s/, '<span class="whitespace"> </span>')
end
def link_to_key(key, tab='')
k = escape(key)
if key.match(/[=\/]/)
return '<a href="/keys/?key=' + k + tab + '">' + pp_key(key) + '</a>'
else
return '<a href="/keys/' + k + tab + '">' + pp_key(key) + '</a>'
end
end
def link_to_value(key, value)
k = escape(key)
v = escape(value)
if key.match(/[=\/]/) || value.match(/[=\/]/)
return '<a href="/tags/?key=' + k + '&value=' + v + '">' + pp_value(value) + '</a>'
else
return '<a href="/tags/' + k + '=' + v + '">' + pp_value(value) + '</a>'
end
end
def link_to_tag(key, value)
return link_to_key(key) + '=' + link_to_value(key, value)
end
# Like the 'get' method but will add a redirect for the same path with trailing / added
def get!(path, &block)
get path, &block
get path + '/' do
redirect path
end
end
# Like the 'get' method but specific for API calls, includes documentation for API calls
def api(version, path, doc=nil, &block)
API.new(version, path, doc) unless doc.nil?
get("/api/#{version}/#{path}", &block)
end
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