Class: ActiveFacts::Input::CQL

Inherits:
Object
  • Object
show all
Defined in:
lib/activefacts/input/cql.rb

Overview

Compile CQL to an ActiveFacts vocabulary. Invoke as

afgen --<generator> <file>.cql

Constant Summary collapse

EXTENSIONS = 
['fiml', 'fidl', 'fiql', 'cql']

Class Method Summary collapse

Class Method Details

.read(file, filename = "stdin") ⇒ Object

Read the specified input stream



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# File 'lib/activefacts/input/cql.rb', line 33

def self.read(file, filename = "stdin")
  readstring(file.read, filename)
end

.readfile(filename) ⇒ Object

Read the specified file



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# File 'lib/activefacts/input/cql.rb', line 17

def self.readfile(filename)
  if EXTENSIONS.detect { |extension| File.basename(filename, extension) == "-" }
    read(STDIN, "<standard input>")
  else
    File.open(filename) {|file|
      read(file, filename)
    }
  end
rescue => e
  # Augment the exception message, but preserve the backtrace
  ne = StandardError.new("In #{filename} #{e.message.strip}")
  ne.set_backtrace(e.backtrace)
  raise ne
end

.readstring(str, filename = "string") ⇒ Object

Read the specified input string



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# File 'lib/activefacts/input/cql.rb', line 38

def self.readstring(str, filename = "string")
  compiler = ActiveFacts::CQL::Compiler.new(filename)
  compiler.compile(str)
end