зеркало из https://github.com/github/ruby.git
462 строки
10 KiB
Ruby
462 строки
10 KiB
Ruby
##
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# RDoc statistics collector which prints a summary and report of a project's
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# documentation totals.
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class RDoc::Stats
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include RDoc::Text
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##
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# Output level for the coverage report
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attr_reader :coverage_level
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##
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# Count of files parsed during parsing
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attr_reader :files_so_far
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##
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# Total number of files found
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attr_reader :num_files
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##
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# Creates a new Stats that will have +num_files+. +verbosity+ defaults to 1
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# which will create an RDoc::Stats::Normal outputter.
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def initialize store, num_files, verbosity = 1
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@num_files = num_files
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@store = store
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@coverage_level = 0
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@doc_items = nil
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@files_so_far = 0
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@fully_documented = false
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@num_params = 0
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@percent_doc = nil
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@start = Time.now
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@undoc_params = 0
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@display = case verbosity
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when 0 then Quiet.new num_files
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when 1 then Normal.new num_files
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else Verbose.new num_files
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end
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end
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##
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# Records the parsing of an alias +as+.
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def add_alias as
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@display.print_alias as
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end
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##
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# Records the parsing of an attribute +attribute+
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def add_attribute attribute
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@display.print_attribute attribute
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end
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##
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# Records the parsing of a class +klass+
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def add_class klass
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@display.print_class klass
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end
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##
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# Records the parsing of +constant+
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def add_constant constant
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@display.print_constant constant
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end
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##
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# Records the parsing of +file+
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def add_file(file)
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@files_so_far += 1
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@display.print_file @files_so_far, file
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end
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##
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# Records the parsing of +method+
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def add_method(method)
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@display.print_method method
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end
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##
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# Records the parsing of a module +mod+
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def add_module(mod)
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@display.print_module mod
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end
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##
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# Call this to mark the beginning of parsing for display purposes
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def begin_adding
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@display.begin_adding
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end
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##
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# Calculates documentation totals and percentages for classes, modules,
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# constants, attributes and methods.
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def calculate
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return if @doc_items
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ucm = @store.unique_classes_and_modules
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classes = @store.unique_classes.reject { |cm| cm.full_name == 'Object' }
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constants = []
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ucm.each { |cm| constants.concat cm.constants }
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methods = []
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ucm.each { |cm| methods.concat cm.method_list }
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attributes = []
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ucm.each { |cm| attributes.concat cm.attributes }
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@num_attributes, @undoc_attributes = doc_stats attributes
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@num_classes, @undoc_classes = doc_stats classes
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@num_constants, @undoc_constants = doc_stats constants
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@num_methods, @undoc_methods = doc_stats methods
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@num_modules, @undoc_modules = doc_stats @store.unique_modules
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@num_items =
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@num_attributes +
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@num_classes +
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@num_constants +
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@num_methods +
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@num_modules +
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@num_params
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@undoc_items =
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@undoc_attributes +
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@undoc_classes +
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@undoc_constants +
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@undoc_methods +
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@undoc_modules +
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@undoc_params
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@doc_items = @num_items - @undoc_items
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end
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##
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# Sets coverage report level. Accepted values are:
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#
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# false or nil:: No report
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# 0:: Classes, modules, constants, attributes, methods
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# 1:: Level 0 + method parameters
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def coverage_level= level
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level = -1 unless level
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@coverage_level = level
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end
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##
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# Returns the length and number of undocumented items in +collection+.
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def doc_stats collection
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visible = collection.select { |item| item.display? }
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[visible.length, visible.count { |item| not item.documented? }]
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end
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##
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# Call this to mark the end of parsing for display purposes
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def done_adding
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@display.done_adding
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end
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##
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# The documentation status of this project. +true+ when 100%, +false+ when
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# less than 100% and +nil+ when unknown.
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#
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# Set by calling #calculate
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def fully_documented?
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@fully_documented
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end
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##
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# A report that says you did a great job!
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def great_job
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report = RDoc::Markup::Document.new
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report << RDoc::Markup::Paragraph.new('100% documentation!')
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report << RDoc::Markup::Paragraph.new('Great Job!')
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report
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end
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##
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# Calculates the percentage of items documented.
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def percent_doc
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return @percent_doc if @percent_doc
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@fully_documented = (@num_items - @doc_items) == 0
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@percent_doc = @doc_items.to_f / @num_items * 100 if @num_items.nonzero?
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@percent_doc ||= 0
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@percent_doc
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end
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##
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# Returns a report on which items are not documented
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def report
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if @coverage_level > 0 then
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extend RDoc::Text
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end
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if @coverage_level.zero? then
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calculate
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return great_job if @num_items == @doc_items
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end
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ucm = @store.unique_classes_and_modules
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report = RDoc::Markup::Document.new
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report << RDoc::Markup::Paragraph.new('The following items are not documented:')
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report << RDoc::Markup::BlankLine.new
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ucm.sort.each do |cm|
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body = report_class_module(cm) {
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[
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report_constants(cm),
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report_attributes(cm),
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report_methods(cm),
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].compact
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}
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report << body if body
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end
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if @coverage_level > 0 then
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calculate
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return great_job if @num_items == @doc_items
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end
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report
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end
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##
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# Returns a report on undocumented attributes in ClassModule +cm+
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def report_attributes cm
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return if cm.attributes.empty?
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report = []
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cm.each_attribute do |attr|
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next if attr.documented?
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line = attr.line ? ":#{attr.line}" : nil
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report << " #{attr.definition} :#{attr.name} # in file #{attr.file.full_name}#{line}\n"
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report << "\n"
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end
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report
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end
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##
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# Returns a report on undocumented items in ClassModule +cm+
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def report_class_module cm
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return if cm.fully_documented? and @coverage_level.zero?
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return unless cm.display?
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report = RDoc::Markup::Document.new
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if cm.in_files.empty? then
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report << RDoc::Markup::Paragraph.new("#{cm.definition} is referenced but empty.")
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report << RDoc::Markup::Paragraph.new("It probably came from another project. I'm sorry I'm holding it against you.")
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return report
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elsif cm.documented? then
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documented = true
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klass = RDoc::Markup::Verbatim.new("#{cm.definition} # is documented\n")
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else
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report << RDoc::Markup::Paragraph.new('In files:')
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list = RDoc::Markup::List.new :BULLET
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cm.in_files.each do |file|
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para = RDoc::Markup::Paragraph.new file.full_name
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list << RDoc::Markup::ListItem.new(nil, para)
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end
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report << list
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report << RDoc::Markup::BlankLine.new
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klass = RDoc::Markup::Verbatim.new("#{cm.definition}\n")
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end
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klass << "\n"
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body = yield.flatten # HACK remove #flatten
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if body.empty? then
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return if documented
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klass.parts.pop
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else
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klass.parts.concat body
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end
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klass << "end\n"
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report << klass
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report
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end
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##
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# Returns a report on undocumented constants in ClassModule +cm+
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def report_constants cm
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return if cm.constants.empty?
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report = []
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cm.each_constant do |constant|
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# TODO constant aliases are listed in the summary but not reported
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# figure out what to do here
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next if constant.documented? || constant.is_alias_for
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line = constant.line ? ":#{constant.line}" : line
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report << " # in file #{constant.file.full_name}#{line}\n"
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report << " #{constant.name} = nil\n"
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report << "\n"
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end
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report
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end
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##
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# Returns a report on undocumented methods in ClassModule +cm+
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def report_methods cm
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return if cm.method_list.empty?
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report = []
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cm.each_method do |method|
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next if method.documented? and @coverage_level.zero?
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if @coverage_level > 0 then
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params, undoc = undoc_params method
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@num_params += params
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unless undoc.empty? then
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@undoc_params += undoc.length
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undoc = undoc.map do |param| "+#{param}+" end
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param_report = " # #{undoc.join ', '} is not documented\n"
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end
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end
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next if method.documented? and not param_report
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line = method.line ? ":#{method.line}" : nil
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scope = method.singleton ? 'self.' : nil
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report << " # in file #{method.file.full_name}#{line}\n"
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report << param_report if param_report
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report << " def #{scope}#{method.name}#{method.params}; end\n"
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report << "\n"
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end
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report
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end
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##
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# Returns a summary of the collected statistics.
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def summary
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calculate
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num_width = [@num_files, @num_items].max.to_s.length
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undoc_width = [
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@undoc_attributes,
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@undoc_classes,
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@undoc_constants,
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@undoc_items,
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@undoc_methods,
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@undoc_modules,
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@undoc_params,
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].max.to_s.length
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report = RDoc::Markup::Verbatim.new
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report << "Files: %*d\n" % [num_width, @num_files]
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report << "\n"
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report << "Classes: %*d (%*d undocumented)\n" % [
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num_width, @num_classes, undoc_width, @undoc_classes]
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report << "Modules: %*d (%*d undocumented)\n" % [
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num_width, @num_modules, undoc_width, @undoc_modules]
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report << "Constants: %*d (%*d undocumented)\n" % [
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num_width, @num_constants, undoc_width, @undoc_constants]
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report << "Attributes: %*d (%*d undocumented)\n" % [
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num_width, @num_attributes, undoc_width, @undoc_attributes]
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report << "Methods: %*d (%*d undocumented)\n" % [
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num_width, @num_methods, undoc_width, @undoc_methods]
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report << "Parameters: %*d (%*d undocumented)\n" % [
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num_width, @num_params, undoc_width, @undoc_params] if
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@coverage_level > 0
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report << "\n"
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report << "Total: %*d (%*d undocumented)\n" % [
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num_width, @num_items, undoc_width, @undoc_items]
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report << "%6.2f%% documented\n" % percent_doc
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report << "\n"
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report << "Elapsed: %0.1fs\n" % (Time.now - @start)
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RDoc::Markup::Document.new report
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end
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##
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# Determines which parameters in +method+ were not documented. Returns a
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# total parameter count and an Array of undocumented methods.
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def undoc_params method
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@formatter ||= RDoc::Markup::ToTtOnly.new
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params = method.param_list
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params = params.map { |param| param.gsub(/^\*\*?/, '') }
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return 0, [] if params.empty?
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document = parse method.comment
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tts = document.accept @formatter
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undoc = params - tts
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[params.length, undoc]
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end
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autoload :Quiet, 'rdoc/stats/quiet'
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autoload :Normal, 'rdoc/stats/normal'
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autoload :Verbose, 'rdoc/stats/verbose'
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end
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