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Split out ri display code and make pluggable
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5386 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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parent
79c0e644a1
commit
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6 changed files with 395 additions and 296 deletions
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@ -1,3 +1,8 @@
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Tue Jan 6 14:53:14 2004 Dave Thomas <dave@pragprog.com>
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* bin/ri: split out the display side, making it pluggable. Added
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new ri_driver and ri_display files in lib/rdoc/ri.
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Tue Jan 6 11:29:43 2004 NAKAMURA, Hiroshi <nakahiro@sarion.co.jp>
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* test/inlinetest.rb, test/{test_generator.rb,test_ipaddr.rb,
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2
MANIFEST
2
MANIFEST
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@ -261,6 +261,8 @@ lib/rdoc/parsers/parserfactory.rb
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lib/rdoc/rdoc.rb
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lib/rdoc/ri/ri_cache.rb
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lib/rdoc/ri/ri_descriptions.rb
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lib/rdoc/ri/ri_display.rb
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lib/rdoc/ri/ri_driver.rb
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lib/rdoc/ri/ri_formatter.rb
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lib/rdoc/ri/ri_options.rb
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lib/rdoc/ri/ri_paths.rb
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298
bin/ri
298
bin/ri
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@ -13,304 +13,10 @@
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# The form '.' method matches either class or instance methods, while
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# #method matches only instance and ::method matches only class methods.
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require 'rdoc/ri/ri_paths'
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require 'rdoc/ri/ri_cache'
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require 'rdoc/ri/ri_util'
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require 'rdoc/ri/ri_reader'
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require 'rdoc/ri/ri_formatter'
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require 'rdoc/ri/ri_options'
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require 'rdoc/ri/ri_driver'
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######################################################################
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class RiDisplay
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def initialize
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@options = RI::Options.instance
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@options.parse
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paths = @options.paths || RI::Paths::PATH
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if paths.empty?
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$stderr.puts "No ri documentation found in:"
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[ RI::Paths::SYSDIR, RI::Paths::SITEDIR, RI::Paths::HOMEDIR].each do |d|
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$stderr.puts " #{d}"
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end
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$stderr.puts "\nWas rdoc run to create documentation?"
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exit 1
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end
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@ri_reader = RI::RiReader.new(RI::RiCache.new(paths))
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@formatter = @options.formatter.new(@options, " ")
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end
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######################################################################
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def display_usage
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setup_pager
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RI::Options::OptionList.usage(short_form=true)
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page_output
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end
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######################################################################
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def setup_pager
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unless @options.use_stdout
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require 'tempfile'
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@save_stdout = STDOUT.clone
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STDOUT.reopen(Tempfile.new("ri_"))
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end
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end
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######################################################################
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def page_output
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unless @options.use_stdout
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path = STDOUT.path
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STDOUT.reopen(@save_stdout)
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@save_stdout = nil
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paged = false
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for pager in [ ENV['PAGER'], "less", "more <", 'pager' ].compact.uniq
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if system("#{pager} #{path}")
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paged = true
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break
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end
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end
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if !paged
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@options.use_stdout = true
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puts File.read(path)
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end
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end
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end
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######################################################################
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def display_params(method)
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params = method.params
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if params[0,1] == "("
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if method.is_singleton
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params = method.full_name + params
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else
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params = method.name + params
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end
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end
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params.split(/\n/).each {|p| @formatter.wrap(p) }
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end
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######################################################################
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def display_flow(flow)
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if !flow || flow.empty?
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@formatter.wrap("(no description...)")
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else
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@formatter.display_flow(flow)
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end
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end
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######################################################################
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def display_method_info(method_entry)
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method = @ri_reader.get_method(method_entry)
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@formatter.draw_line(method.full_name)
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display_params(method)
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@formatter.draw_line
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display_flow(method.comment)
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if method.aliases && !method.aliases.empty?
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@formatter.blankline
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aka = "(also known as "
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aka << method.aliases.map {|a| a.name }.join(", ")
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aka << ")"
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@formatter.wrap(aka)
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end
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end
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######################################################################
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def display_class_info(class_entry)
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klass = @ri_reader.get_class(class_entry)
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superclass = klass.superclass_string
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if superclass
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superclass = " < " + superclass
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else
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superclass = ""
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end
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@formatter.draw_line(klass.display_name + ": " +
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klass.full_name + superclass)
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display_flow(klass.comment)
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@formatter.draw_line
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unless klass.includes.empty?
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@formatter.blankline
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@formatter.display_heading("Includes:", 2, "")
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incs = []
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klass.includes.each do |inc|
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inc_desc = @ri_reader.find_class_by_name(inc.name)
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if inc_desc
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str = inc.name + "("
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str << inc_desc.instance_methods.map{|m| m.name}.join(", ")
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str << ")"
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incs << str
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else
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incs << inc.name
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end
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end
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@formatter.wrap(incs.sort.join(', '))
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end
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unless klass.constants.empty?
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@formatter.blankline
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@formatter.display_heading("Constants:", 2, "")
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len = 0
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klass.constants.each { |c| len = c.name.length if c.name.length > len }
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len += 2
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klass.constants.each do |c|
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@formatter.wrap(c.value,
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@formatter.indent+((c.name+":").ljust(len)))
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end
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end
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unless klass.class_methods.empty?
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@formatter.blankline
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@formatter.display_heading("Class methods:", 2, "")
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@formatter.wrap(klass.class_methods.map{|m| m.name}.sort.join(', '))
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end
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unless klass.instance_methods.empty?
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@formatter.blankline
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@formatter.display_heading("Instance methods:", 2, "")
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@formatter.wrap(klass.instance_methods.map{|m| m.name}.sort.join(', '))
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end
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unless klass.attributes.empty?
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@formatter.blankline
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@formatter.wrap("Attributes:", "")
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@formatter.wrap(klass.attributes.map{|a| a.name}.sort.join(', '))
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end
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end
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######################################################################
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# If the list of matching methods contains exactly one entry, or
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# if it contains an entry that exactly matches the requested method,
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# then display that entry, otherwise display the list of
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# matching method names
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def report_method_stuff(requested_method_name, methods)
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if methods.size == 1
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display_method_info(methods[0])
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else
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entries = methods.find_all {|m| m.name == requested_method_name}
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if entries.size == 1
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display_method_info(entries[0])
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else
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puts "More than one method matched your request. You can refine"
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puts "your search by asking for information on one of:\n\n"
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@formatter.wrap(methods.map {|m| m.full_name} .join(", "))
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end
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end
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end
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######################################################################
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def report_class_stuff(requested_class_name, namespaces)
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if namespaces.size == 1
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display_class_info(namespaces[0])
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else
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entries = namespaces.find_all {|m| m.full_name == requested_class_name}
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if entries.size == 1
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display_class_info(entries[0])
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else
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puts "More than one class or module matched your request. You can refine"
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puts "your search by asking for information on one of:\n\n"
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@formatter.wrap(namespaces.map {|m| m.full_name}.join(", "))
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end
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end
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end
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######################################################################
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def display_info_for(arg)
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desc = NameDescriptor.new(arg)
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namespaces = @ri_reader.top_level_namespace
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for class_name in desc.class_names
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namespaces = @ri_reader.lookup_namespace_in(class_name, namespaces)
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if namespaces.empty?
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raise RiError.new("Nothing known about #{arg}")
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end
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end
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setup_pager
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begin
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if desc.method_name.nil?
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report_class_stuff(desc.class_names.join('::'), namespaces)
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else
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methods = @ri_reader.find_methods(desc.method_name,
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desc.is_class_method,
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namespaces)
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if methods.empty?
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raise RiError.new("Nothing known about #{arg}")
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else
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report_method_stuff(desc.method_name, methods)
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end
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end
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page_output
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ensure
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STDOUT.reopen(@save_stdout) if @save_stdout
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end
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end
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######################################################################
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def process_args
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if @options.list_classes
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display_class_list
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else
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if ARGV.size.zero?
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display_usage
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else
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begin
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ARGV.each do |arg|
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display_info_for(arg)
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end
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rescue RiError => e
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$stderr.puts(e.message)
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exit(1)
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end
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end
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end
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end
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######################################################################
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def display_class_list
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classes = @ri_reader.class_names
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if classes.empty?
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puts "Before using ri, you need to generate documentation"
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puts "using 'rdoc' with the --ri option"
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else
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setup_pager
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@formatter.draw_line("Known classes and modules")
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@formatter.blankline
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@formatter.wrap(@ri_reader.class_names.sort.join(", "))
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page_output
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end
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end
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end # class RiDisplay
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######################################################################
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ri = RiDisplay.new
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ri = RiDriver.new
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ri.process_args
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254
lib/rdoc/ri/ri_display.rb
Normal file
254
lib/rdoc/ri/ri_display.rb
Normal file
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@ -0,0 +1,254 @@
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require 'rdoc/ri/ri_util'
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require 'rdoc/ri/ri_formatter'
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require 'rdoc/ri/ri_options'
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# This is a kind of 'flag' module. If you want to write your
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# own 'ri' display module (perhaps because you'r writing
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# an IDE or somesuch beast), you simply write a class
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# which implements the various 'display' methods in 'DefaultDisplay',
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# and include the 'RiDisplay' module in that class.
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#
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# To access your class from the command line, you can do
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#
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# ruby -r <your source file> ../ri ....
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#
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# If folks _really_ want to do this from the command line,
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# I'll build an option in
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module RiDisplay
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@@display_class = nil
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def RiDisplay.append_features(display_class)
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@@display_class = display_class
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end
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def RiDisplay.new(*args)
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@@display_class.new(*args)
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end
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end
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######################################################################
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#
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# A paging display module. Uses the ri_formatter class to do the
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# actual presentation
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#
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class DefaultDisplay
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include RiDisplay
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def initialize(options)
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@options = options
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@formatter = @options.formatter.new(@options, " ")
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end
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######################################################################
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def display_usage
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page do
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RI::Options::OptionList.usage(short_form=true)
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end
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end
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######################################################################
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def display_method_info(method)
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page do
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@formatter.draw_line(method.full_name)
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display_params(method)
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@formatter.draw_line
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display_flow(method.comment)
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if method.aliases && !method.aliases.empty?
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@formatter.blankline
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aka = "(also known as "
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aka << method.aliases.map {|a| a.name }.join(", ")
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aka << ")"
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@formatter.wrap(aka)
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end
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end
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end
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######################################################################
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def display_class_info(klass, ri_reader)
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page do
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superclass = klass.superclass_string
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if superclass
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superclass = " < " + superclass
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else
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superclass = ""
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end
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@formatter.draw_line(klass.display_name + ": " +
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klass.full_name + superclass)
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display_flow(klass.comment)
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@formatter.draw_line
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unless klass.includes.empty?
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@formatter.blankline
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@formatter.display_heading("Includes:", 2, "")
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incs = []
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klass.includes.each do |inc|
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inc_desc = ri_reader.find_class_by_name(inc.name)
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if inc_desc
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str = inc.name + "("
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str << inc_desc.instance_methods.map{|m| m.name}.join(", ")
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str << ")"
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incs << str
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else
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incs << inc.name
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end
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end
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@formatter.wrap(incs.sort.join(', '))
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end
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unless klass.constants.empty?
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@formatter.blankline
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@formatter.display_heading("Constants:", 2, "")
|
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len = 0
|
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klass.constants.each { |c| len = c.name.length if c.name.length > len }
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len += 2
|
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klass.constants.each do |c|
|
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@formatter.wrap(c.value,
|
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@formatter.indent+((c.name+":").ljust(len)))
|
||||
end
|
||||
end
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unless klass.class_methods.empty?
|
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@formatter.blankline
|
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@formatter.display_heading("Class methods:", 2, "")
|
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@formatter.wrap(klass.class_methods.map{|m| m.name}.sort.join(', '))
|
||||
end
|
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|
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unless klass.instance_methods.empty?
|
||||
@formatter.blankline
|
||||
@formatter.display_heading("Instance methods:", 2, "")
|
||||
@formatter.wrap(klass.instance_methods.map{|m| m.name}.sort.join(', '))
|
||||
end
|
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|
||||
unless klass.attributes.empty?
|
||||
@formatter.blankline
|
||||
@formatter.wrap("Attributes:", "")
|
||||
@formatter.wrap(klass.attributes.map{|a| a.name}.sort.join(', '))
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
######################################################################
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||||
|
||||
# Display a list of method names
|
||||
|
||||
def display_method_list(methods)
|
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page do
|
||||
puts "More than one method matched your request. You can refine"
|
||||
puts "your search by asking for information on one of:\n\n"
|
||||
@formatter.wrap(methods.map {|m| m.full_name} .join(", "))
|
||||
end
|
||||
end
|
||||
|
||||
######################################################################
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||||
|
||||
def display_class_list(namespaces)
|
||||
page do
|
||||
puts "More than one class or module matched your request. You can refine"
|
||||
puts "your search by asking for information on one of:\n\n"
|
||||
@formatter.wrap(namespaces.map {|m| m.full_name}.join(", "))
|
||||
end
|
||||
end
|
||||
|
||||
######################################################################
|
||||
|
||||
def list_known_classes(classes)
|
||||
if classes.empty?
|
||||
puts "Before using ri, you need to generate documentation"
|
||||
puts "using 'rdoc' with the --ri option"
|
||||
else
|
||||
page do
|
||||
@formatter.draw_line("Known classes and modules")
|
||||
@formatter.blankline
|
||||
@formatter.wrap(classes.sort.join(", "))
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
######################################################################
|
||||
|
||||
private
|
||||
|
||||
######################################################################
|
||||
|
||||
def page
|
||||
setup_pager
|
||||
begin
|
||||
yield
|
||||
page_output
|
||||
ensure
|
||||
STDOUT.reopen(@save_stdout) if @save_stdout
|
||||
end
|
||||
end
|
||||
|
||||
######################################################################
|
||||
|
||||
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)
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
######################################################################
|
||||
|
||||
def display_params(method)
|
||||
|
||||
params = method.params
|
||||
|
||||
if params[0,1] == "("
|
||||
if method.is_singleton
|
||||
params = method.full_name + params
|
||||
else
|
||||
params = method.name + params
|
||||
end
|
||||
end
|
||||
params.split(/\n/).each {|p| @formatter.wrap(p) }
|
||||
end
|
||||
|
||||
######################################################################
|
||||
|
||||
def display_flow(flow)
|
||||
if !flow || flow.empty?
|
||||
@formatter.wrap("(no description...)")
|
||||
else
|
||||
@formatter.display_flow(flow)
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
end # class RiDisplay
|
122
lib/rdoc/ri/ri_driver.rb
Normal file
122
lib/rdoc/ri/ri_driver.rb
Normal file
|
@ -0,0 +1,122 @@
|
|||
require 'rdoc/ri/ri_paths'
|
||||
require 'rdoc/ri/ri_cache'
|
||||
require 'rdoc/ri/ri_util'
|
||||
require 'rdoc/ri/ri_reader'
|
||||
require 'rdoc/ri/ri_formatter'
|
||||
require 'rdoc/ri/ri_options'
|
||||
|
||||
|
||||
######################################################################
|
||||
|
||||
class RiDriver
|
||||
|
||||
def initialize
|
||||
@options = RI::Options.instance
|
||||
@options.parse
|
||||
paths = @options.paths || RI::Paths::PATH
|
||||
if paths.empty?
|
||||
$stderr.puts "No ri documentation found in:"
|
||||
[ RI::Paths::SYSDIR, RI::Paths::SITEDIR, RI::Paths::HOMEDIR].each do |d|
|
||||
$stderr.puts " #{d}"
|
||||
end
|
||||
$stderr.puts "\nWas rdoc run to create documentation?"
|
||||
exit 1
|
||||
end
|
||||
@ri_reader = RI::RiReader.new(RI::RiCache.new(paths))
|
||||
@display = @options.displayer
|
||||
end
|
||||
|
||||
|
||||
|
||||
######################################################################
|
||||
|
||||
# If the list of matching methods contains exactly one entry, or
|
||||
# if it contains an entry that exactly matches the requested method,
|
||||
# then display that entry, otherwise display the list of
|
||||
# matching method names
|
||||
|
||||
def report_method_stuff(requested_method_name, methods)
|
||||
if methods.size == 1
|
||||
method = @ri_reader.get_method(methods[0])
|
||||
@display.display_method_info(method)
|
||||
else
|
||||
entries = methods.find_all {|m| m.name == requested_method_name}
|
||||
if entries.size == 1
|
||||
method = @ri_reader.get_method(entries[0])
|
||||
@display.display_method_info(method)
|
||||
else
|
||||
@display.display_method_list(methods)
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
######################################################################
|
||||
|
||||
def report_class_stuff(requested_class_name, namespaces)
|
||||
if namespaces.size == 1
|
||||
klass = @ri_reader.get_class(namespaces[0])
|
||||
@display.display_class_info(klass, @ri_reader)
|
||||
else
|
||||
entries = namespaces.find_all {|m| m.full_name == requested_class_name}
|
||||
if entries.size == 1
|
||||
klass = @ri_reader.get_class(entries[0])
|
||||
@display.display_class_info(klass, @ri_reader)
|
||||
else
|
||||
@display.display_class_list(namespaces)
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
######################################################################
|
||||
|
||||
|
||||
def get_info_for(arg)
|
||||
desc = NameDescriptor.new(arg)
|
||||
|
||||
namespaces = @ri_reader.top_level_namespace
|
||||
|
||||
for class_name in desc.class_names
|
||||
namespaces = @ri_reader.lookup_namespace_in(class_name, namespaces)
|
||||
if namespaces.empty?
|
||||
raise RiError.new("Nothing known about #{arg}")
|
||||
end
|
||||
end
|
||||
|
||||
if desc.method_name.nil?
|
||||
report_class_stuff(desc.class_names.join('::'), namespaces)
|
||||
else
|
||||
methods = @ri_reader.find_methods(desc.method_name,
|
||||
desc.is_class_method,
|
||||
namespaces)
|
||||
|
||||
if methods.empty?
|
||||
raise RiError.new("Nothing known about #{arg}")
|
||||
else
|
||||
report_method_stuff(desc.method_name, methods)
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
######################################################################
|
||||
|
||||
def process_args
|
||||
if @options.list_classes
|
||||
classes = @ri_reader.class_names
|
||||
@display.list_known_classes(classes)
|
||||
else
|
||||
if ARGV.size.zero?
|
||||
@display.display_usage
|
||||
else
|
||||
begin
|
||||
ARGV.each do |arg|
|
||||
get_info_for(arg)
|
||||
end
|
||||
rescue RiError => e
|
||||
$stderr.puts(e.message)
|
||||
exit(1)
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
end # class RiDriver
|
|
@ -3,6 +3,8 @@
|
|||
|
||||
module RI
|
||||
|
||||
require 'rdoc/ri/ri_display'
|
||||
|
||||
VERSION_STRING = "alpha 0.1"
|
||||
|
||||
class Options
|
||||
|
@ -201,6 +203,14 @@ module RI
|
|||
def paths
|
||||
@doc_dir ? [ @doc_dir ] : nil
|
||||
end
|
||||
|
||||
# Return an instance of the displayer (the thing that actually writes
|
||||
# the information). This allows us to load in new displayer classes
|
||||
# at runtime (for example to help with IDE integration)
|
||||
|
||||
def displayer
|
||||
::RiDisplay.new(self)
|
||||
end
|
||||
end
|
||||
|
||||
end
|
||||
|
|
Loading…
Add table
Reference in a new issue