Class: Libertree::Query

Inherits:
Object
  • Object
show all
Defined in:
lib/libertree/query.rb

Defined Under Namespace

Classes: ParseError

Instance Method Summary collapse

Instance Method Details

#parsed ⇒ Object 



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# File 'lib/libertree/query.rb', line 117

def parsed
  @parsed_query.dup
end

#simple ⇒ Object 



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# File 'lib/libertree/query.rb', line 121

def simple
  tags = @parsed_query['tag'][:regular].map {|t| "##{t}"}
  rest = @parsed_query.
    select {|k| ['phrase', 'word'].include? k}.
    flat_map {|h| h.last[:regular]}
  (tags + rest).join(' ')
end

#to_s ⇒ Object 



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# File 'lib/libertree/query.rb', line 129

def to_s
  res = []
  apply_template = lambda do |template, groups|
    res += groups[:negations].map    {|v| '-' + template.call(v)}
    res += groups[:requirements].map {|v| '+' + template.call(v)}
    res += groups[:regular].map      {|v|       template.call(v)}
  end

  @parsed_query.each_pair do |key, groups|
    template = case key
               when 'phrase'
                 lambda {|v| "\"%s\"" % v }
               when 'via'
                 lambda {|v| ":via \"%s\"" % v }
               when 'visibility'
                 lambda {|v| ":visibility %s" % v }
               when 'word-count'
                 lambda {|v| ":word-count %s" % v }
               when 'flag'
                 lambda {|v| ":%s" % v }
               when 'word'
                 lambda {|v| v }
               when 'tag'
                 lambda {|v| "#%s" % v }
               when 'from'
                 lambda {|v| ":from %s" % Model::Member[v.to_i].handle }
               when 'river'
                 lambda {|v| ":river \"%s\"" % Model::River[v.id.to_i].label }
               when 'contact-list'
                 template = lambda {|v| ":contact-list \"%s\"" % Model::ContactList[v.first.to_i].name }
               when 'spring'
                 lambda {|v| pool = Model::Pool[v.id.to_i]; ":spring \"%s\" \"%s\"" % [pool.name, pool.member.handle] }
               end
    apply_template.call(template, groups)
  end
  res.join(' ')
end