Class: LXL::Namespace

Inherits:
EmptyNamespace show all
Defined in:
lib/lxl.rb

Overview

Constants and functions defined here will become available to formulas.

class MyLXLNamespace < LXL::Namespace
  NAME = 'John Doe'
  def upper(string) string.to_s.upcase end
end

class MyLXL < LXL::Parser
  def self.namespace_class() MyLXLNamespace end
end

MyLXL.eval('=UPPER(NAME)')
# => JOHN DOE

Constant Summary collapse

TRUE = 
true
FALSE = 
false
NULL = 
nil

Constants inherited from EmptyNamespace

EmptyNamespace::METHODS

Instance Method Summary collapse

Methods inherited from EmptyNamespace

const_defined?, deferred_class, register_deferred, register_symbols

Instance Method Details

#and(a, b) ⇒ Object 



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# File 'lib/lxl.rb', line 545

def and(a,b)
  LXL.to_b(a) && LXL.to_b(b)
end

#date(y, m, d) ⇒ Object 



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# File 'lib/lxl.rb', line 577

def date(y,m,d)
  Date.new(y,m,d).ajd.to_f
end

#datetime(string) ⇒ Object 



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# File 'lib/lxl.rb', line 581

def datetime(string)
  DateTime.parse(string.to_s).ajd.to_f
end

#if(c, a, b) ⇒ Object 



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# File 'lib/lxl.rb', line 557

def if(c,a,b)
  LXL.to_b(c) ? a : b
end

#in(n, h) ⇒ Object 



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# File 'lib/lxl.rb', line 565

def in(n,h)
  h.respond_to?(:include?) ? h.include?(n) : false
end

#list(*items) ⇒ Object 



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# File 'lib/lxl.rb', line 561

def list(*items)
  items
end

#not(c) ⇒ Object 



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# File 'lib/lxl.rb', line 553

def not(c)
  ! c
end

#now ⇒ Object 



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# File 'lib/lxl.rb', line 573

def now
  DateTime.now.ajd.to_f
end

#or(a, b) ⇒ Object 



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# File 'lib/lxl.rb', line 549

def or(a,b)
  LXL.to_b(a) || LXL.to_b(b)
end

#time(h, m, s) ⇒ Object 



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# File 'lib/lxl.rb', line 585

def time(h,m,s)
  DateTime.valid_time?(h,m,s) ? DateTime.valid_time?(h,m,s).to_f : raise(ArgumentError, 'invalid time')
end

#today ⇒ Object 



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# File 'lib/lxl.rb', line 569

def today
  Date.today.ajd.to_f
end