Module: Pdfrb::Arlington::Predicate::Functions

Defined in:
lib/pdfrb/arlington/predicate/functions.rb,
lib/pdfrb/arlington/predicate/functions/file.rb,
lib/pdfrb/arlington/predicate/functions/logical.rb,
lib/pdfrb/arlington/predicate/functions/version.rb,
lib/pdfrb/arlington/predicate/functions/presence.rb,
lib/pdfrb/arlington/predicate/functions/reference.rb,
lib/pdfrb/arlington/predicate/functions/arithmetic.rb

Overview

Registry of fn:Name predicate implementations. Each module under Functions implements one or more predicates and registers them on load via register.

Defined Under Namespace

Modules: ArithmeticPredicates, FilePredicates, LogicalPredicates, PresencePredicates, ReferencePredicates, VersionPredicates

Class Method Summary collapse

Class Method Details

.clear! ⇒ Object 



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# File 'lib/pdfrb/arlington/predicate/functions.rb', line 29

def clear!
  @registry.clear
end

.eager_load! ⇒ Object

Force-load all function groups so register calls fire. Idempotent.



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# File 'lib/pdfrb/arlington/predicate/functions.rb', line 35

def eager_load!
  return if @eager_loaded

  constants.each do |c|
    const_get(c)
  rescue NameError, LoadError
    # Skip autoload targets that don't define a class
    # or whose file doesn't exist yet.
  end
  @eager_loaded = true
end

.register(name, &block) ⇒ Object 



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# File 'lib/pdfrb/arlington/predicate/functions.rb', line 25

def register(name, &block)
  @registry[name.to_s] = block
end

.registry ⇒ Object 



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# File 'lib/pdfrb/arlington/predicate/functions.rb', line 20

def registry
  eager_load! unless @eager_loaded
  @registry
end