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class SourceAnnotationExtractor
class Annotation < Struct.new(:line, :tag, :text)
def to_s(options={})
s = "[%3d] " % line
s << "[#{tag}] " if options[:tag]
s << text
end
end
def self.enumerate(tag, options={})
extractor = new(tag)
extractor.display(extractor.find, options)
end
attr_reader :tag
def initialize(tag)
@tag = tag
end
def find(dirs=%w(app lib test))
dirs.inject({}) { |h, dir| h.update(find_in(dir)) }
end
def find_in(dir)
results = {}
Dir.glob("#{dir}/*") do |item|
next if File.basename(item)[0] == ?.
if File.directory?(item)
results.update(find_in(item))
elsif item =~ /\.(builder|(r(?:b|xml|js)))$/
results.update(extract_annotations_from(item, /#\s*(#{tag}):?\s*(.*)$/))
elsif item =~ /\.(rhtml|erb)$/
results.update(extract_annotations_from(item, /<%\s*#\s*(#{tag}):?\s*(.*?)\s*%>/))
end
end
results
end
def extract_annotations_from(file, pattern)
lineno = 0
result = File.readlines(file).inject([]) do |list, line|
lineno += 1
next list unless line =~ pattern
list << Annotation.new(lineno, $1, $2)
end
result.empty? ? {} : { file => result }
end
def display(results, options={})
results.keys.sort.each do |file|
puts "#{file}:"
results[file].each do |note|
puts " * #{note.to_s(options)}"
end
puts
end
end
end
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