Module: Wolfram

Extended by:
Wolfram
Included in:
Wolfram
Defined in:
lib/wolfram.rb,
lib/wolfram/pod.rb,
lib/wolfram/util.rb,
lib/wolfram/query.rb,
lib/wolfram/result.rb,
lib/wolfram/version.rb,
lib/wolfram/assumption.rb,
lib/wolfram/xml_container.rb,
lib/wolfram/hash_presenter.rb

Defined Under Namespace

Modules: Util, XmlContainer Classes: Assumption, HashPresenter, MissingNodeError, Pod, Query, Result

Constant Summary collapse

DefaultQueryURI = 
"http://api.wolframalpha.com/v2/query"
VERSION = 
'0.2.0'

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#appid ⇒ Object

Returns the value of attribute appid.



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# File 'lib/wolfram.rb', line 16

def appid
  @appid
end

#query_uri ⇒ Object

Returns the value of attribute query_uri.



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# File 'lib/wolfram.rb', line 16

def query_uri
  @query_uri
end

Instance Method Details

#fetch(input, options = {}) ⇒ Object 



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# File 'lib/wolfram.rb', line 26

def fetch(input, options = {})
  query(input, options).fetch
end

#query(input, options = {}) ⇒ Object 



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# File 'lib/wolfram.rb', line 22

def query(input, options = {})
  Query.new(input, options)
end

#run(argv = ARGV) ⇒ Object 



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# File 'lib/wolfram.rb', line 30

def run(argv=ARGV)
  return puts("Usage: wolfram QUERY") if argv.empty?
  puts fetch(argv.join(' ')).inspect
rescue MissingNodeError
  warn "Wolfram Error: Invalid response - #{$!.message}"
rescue RuntimeError
  warn "Wolfram Error: #{$!.message}"
end