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

Defined in:
lib/pdfrb/arlington/predicate/functions/version.rb

Overview

Version predicates: SinceVersion, BeforeVersion, Deprecated, IsPDFVersion, Extension.

Class Method Summary collapse

Class Method Details

.register_all ⇒ Object 



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# File 'lib/pdfrb/arlington/predicate/functions/version.rb', line 12

def register_all
  Functions.register("SinceVersion") do |args, ctx|
    ver = args.first
    next false unless ver.is_a?(Pdfrb::Arlington::PdfVersion)

    ctx.version >= ver
  end

  Functions.register("BeforeVersion") do |args, ctx|
    ver = args.first
    next false unless ver.is_a?(Pdfrb::Arlington::PdfVersion)

    ctx.version < ver
  end

  Functions.register("Deprecated") do |args, ctx|
    ver = args.first
    next false unless ver.is_a?(Pdfrb::Arlington::PdfVersion)

    ctx.version >= ver
  end

  Functions.register("IsPDFVersion") do |args, ctx|
    ver = args.first
    next false unless ver.is_a?(Pdfrb::Arlington::PdfVersion)

    ctx.version == ver
  end

  Functions.register("Extension") do |_args, _ctx|
    # Whether a named extension applies is document-specific;
    # default false (consumer can override via Document config).
    false
  end
end