diff options
Diffstat (limited to 'lib/rdoc/ri/ri_display.rb')
-rw-r--r-- | lib/rdoc/ri/ri_display.rb | 50 |
1 files changed, 16 insertions, 34 deletions
diff --git a/lib/rdoc/ri/ri_display.rb b/lib/rdoc/ri/ri_display.rb index 076df46b17..67962fc2c1 100644 --- a/lib/rdoc/ri/ri_display.rb +++ b/lib/rdoc/ri/ri_display.rb @@ -194,12 +194,15 @@ class DefaultDisplay ###################################################################### def page - setup_pager + return yield unless pager = setup_pager begin + save_stdout = STDOUT.clone + STDOUT.reopen(pager) yield - page_output ensure - STDOUT.reopen(@save_stdout) if @save_stdout + STDOUT.reopen(save_stdout) + save_stdout.close + pager.close end end @@ -207,31 +210,11 @@ class DefaultDisplay def setup_pager unless @options.use_stdout - require 'tempfile' - - @save_stdout = STDOUT.clone - STDOUT.reopen(Tempfile.new("ri_")) - end - end - - ###################################################################### - - def page_output - unless @options.use_stdout - path = STDOUT.path - STDOUT.reopen(@save_stdout) - @save_stdout = nil - paged = false - for pager in [ ENV['PAGER'], "less", "more <", 'pager' ].compact.uniq - if system("#{pager} #{path}") - paged = true - break - end - end - if !paged - @options.use_stdout = true - puts File.read(path) + for pager in [ ENV['PAGER'], "less", "more", 'pager' ].compact.uniq + return IO.popen(pager, "w") rescue nil end + @options.use_stdout = true + nil end end @@ -255,12 +238,6 @@ class DefaultDisplay end ###################################################################### - def warn_no_database - puts "Before using ri, you need to generate documentation" - puts "using 'rdoc' with the --ri option" - end - ###################################################################### - def display_flow(flow) if !flow || flow.empty? @formatter.wrap("(no description...)") @@ -269,5 +246,10 @@ class DefaultDisplay end end - + ###################################################################### + + def warn_no_database + puts "Before using ri, you need to generate documentation" + puts "using 'rdoc' with the --ri option" + end end # class RiDisplay |