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256f35422a
Wrap command descriptions to 80 characters. Convert some string options to symbols (where possible). Align options in code. Remove dots in the end of switch descriptions. Signed-off-by: Kyrylo Silin <kyrylosilin@gmail.com>
78 lines
2.4 KiB
Ruby
78 lines
2.4 KiB
Ruby
require 'pry/commands/show_info'
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class Pry
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class Command::ShowDoc < Command::ShowInfo
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include Pry::Helpers::DocumentationHelpers
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match 'show-doc'
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group 'Introspection'
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description 'Show the documentation for a method or class.'
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banner <<-BANNER
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Usage: show-doc [OPTIONS] [METH]
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Aliases: ?
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Show the documentation for a method or class. Tries instance methods first and
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then methods by default.
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show-doc hi_method # docs for hi_method
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show-doc Pry # for Pry class
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show-doc Pry -a # for all definitions of Pry class (all monkey patches)
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BANNER
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# The docs for code_object prepared for display.
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def content_for(code_object)
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Code.new(render_doc_markup_for(code_object),
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start_line_for(code_object), :text).
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with_line_numbers(use_line_numbers?).to_s
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end
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# process the markup (if necessary) and apply colors
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def render_doc_markup_for(code_object)
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docs = docs_for(code_object)
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if code_object.command?
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# command '--help' shouldn't use markup highlighting
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docs
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else
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process_comment_markup(docs)
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end
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end
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# Return docs for the code_object, adjusting for whether the code_object
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# has yard docs available, in which case it returns those.
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# (note we only have to check yard docs for modules since they can
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# have multiple docs, but methods can only be doc'd once so we
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# dont need to check them)
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def docs_for(code_object)
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if code_object.module_with_yard_docs?
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# yard docs
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code_object.yard_doc
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else
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# normal docs (i.e comments above method/module/command)
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code_object.doc
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end
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end
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# Which sections to include in the 'header', can toggle: :owner,
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# :signature and visibility.
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def header_options
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super.merge :signature => true
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end
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# figure out start line of docs by back-calculating based on
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# number of lines in the comment and the start line of the code_object
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# @return [Fixnum] start line of docs
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def start_line_for(code_object)
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if code_object.command? || opts.present?(:'base-one')
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1
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else
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code_object.source_line.nil? ? 1 :
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(code_object.source_line - code_object.doc.lines.count)
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end
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end
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end
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Pry::Commands.add_command(Pry::Command::ShowDoc)
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Pry::Commands.alias_command '?', 'show-doc'
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end
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