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Versions: 18
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Contents
module Looksee
class Inspector
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
attr_reader :lookup_path
attr_reader :visibilities
attr_reader :filters
#
# Print the method lookup path of self. See the README for details.
#
def inspect
lookup_path.entries.reverse.map do |entry|
inspect_entry(entry)
end.join("\n")
end
#
# 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.
#
def edit(name)
Editor.new(Looksee.editor).edit(lookup_path.object, name)
end
private
def inspect_entry(entry)
string = styled_module_name(entry) << "\n"
string << Columnizer.columnize(styled_methods(entry), @width)
string.chomp
end
def styled_module_name(entry)
Looksee.styles[:module] % Looksee.adapter.describe_module(entry.module)
end
def styled_methods(entry)
pattern = filter_pattern
show_overridden = @visibilities.include?(:overridden)
entry.map do |name, visibility|
next if !selected?(name, visibility)
style = entry.overridden?(name) ? :overridden : visibility
next if style == :overridden && !show_overridden
Looksee.styles[style] % name
end.compact
end
def filter_pattern
strings = filters.grep(String)
regexps = filters.grep(Regexp)
string_patterns = strings.map{|s| Regexp.escape(s)}
regexp_patterns = regexps.map{|s| s.source}
/#{(string_patterns + regexp_patterns).join('|')}/
end
def selected?(name, visibility)
@visibilities.include?(visibility) && name =~ filter_pattern
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems