# File lib/pry/pager.rb, line 33 def initialize(text) @text = text end
@param [String] text
A piece of text to run through a pager.
@param [Symbol?] pager
`:simple` -- Use the pure ruby pager. `:system` -- Use the system pager (less) or the environment variable $PAGER if set. `nil` -- Infer what pager to use from the environment. What this really means is that JRuby and systems that do not have access to 'less' will run through the pure ruby pager.
# File lib/pry/pager.rb, line 11 def self.page(text, pager = nil) case pager when nil no_pager = !SystemPager.available? if no_pager || Pry::Helpers::BaseHelpers.jruby? SimplePager.new(text).page else SystemPager.new(text).page end when :simple SimplePager.new(text).page when :system SystemPager.new(text).page else raise "'#{pager}' is not a recognized pager." end end
# File lib/pry/pager.rb, line 29 def self.page_size @page_size ||= Pry::Terminal.height! end