Class: Looksee::Inspector

Inherits:
Object
  • Object
show all
Defined in:
lib/looksee/inspector.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(lookup_path, options = {}) ⇒ Inspector

Returns a new instance of Inspector.



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# File 'lib/looksee/inspector.rb', line 3

def initialize(lookup_path, options={})
  @lookup_path = lookup_path
  @visibilities = (vs = options[:visibilities]) ? vs.to_set : Set[]
  @filters = (fs = options[:filters]) ? fs.to_set : Set[]
  @width = options[:width] || ENV['COLUMNS'].to_i.nonzero? || Looksee.default_width
end

Instance Attribute Details

#filters ⇒ Object (readonly)

Returns the value of attribute filters.



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# File 'lib/looksee/inspector.rb', line 12

def filters
  @filters
end

#lookup_path ⇒ Object (readonly)

Returns the value of attribute lookup_path.



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# File 'lib/looksee/inspector.rb', line 10

def lookup_path
  @lookup_path
end

#visibilities ⇒ Object (readonly)

Returns the value of attribute visibilities.



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# File 'lib/looksee/inspector.rb', line 11

def visibilities
  @visibilities
end

Instance Method Details

#edit(name) ⇒ Object

Open an editor at the named method’s definition.

Uses Looksee.editor to determine the editor command to run.

Only works for methods for which file and line numbers are accessible.



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# File 'lib/looksee/inspector.rb', line 42

def edit(name)
  Editor.new(Looksee.editor).edit(lookup_path.object, name)
end

#inspect ⇒ Object

Print the method lookup path of self. See the README for details.



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# File 'lib/looksee/inspector.rb', line 17

def inspect
  lookup_path.entries.reverse.map do |entry|
    inspect_entry(entry)
  end.join("\n")
end

#pretty_print(pp) ⇒ Object 



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# File 'lib/looksee/inspector.rb', line 23

def pretty_print(pp)
  # In the default IRB inspect mode (pp), IRB assumes that an inspect string
  # that doesn't look like a bunch of known patterns is a code blob, and
  # formats accordingly. That messes up our color escapes.
  if Object.const_defined?(:IRB) && IRB.const_defined?(:ColorPrinter) && pp.is_a?(IRB::ColorPrinter)
    PP.instance_method(:text).bind(pp).call(inspect)
  else
    pp.text(inspect)
  end
end