Class: Gonzui::CommandLineSearcher

Inherits:
Object
  • Object
show all
Defined in:
lib/gonzui/cmdapp/search.rb

Instance Method Summary collapse

Constructor Details

#initialize(config, options) ⇒ CommandLineSearcher

Returns a new instance of CommandLineSearcher.



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# File 'lib/gonzui/cmdapp/search.rb', line 14

def initialize(config, options)
  @config = config
  @dbm = DBM.open(@config, true)
  @out = (options['out'] or STDOUT)
  @nlines  = options['line-number']

  @show_method = if options['context']
                   :show_context_lines 
                 elsif options['count']
                    :show_count
                 else
                    :show_line
                 end

  @package_name = options['package']

  @ncontexts = options['context'].to_i

  @search_method = :find_all
  @search_method = :find_all_by_prefix if options['prefix']
  @search_method = :find_all_by_regexp if options['regexp']

  @use_regexp  = options['regexp']
  @use_color   = options['color']
  @no_filename = options['no-filename']

  @target_type = :all
  if options['type']
    type = options['type'].intern
    eprintf("unknown type: #{type}") unless LangScan::Type.include?(type)
    @target_type = type
  end
end

Instance Method Details

#finish ⇒ Object 



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# File 'lib/gonzui/cmdapp/search.rb', line 130

def finish
  @dbm.close
end

#search(pattern) ⇒ Object 



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# File 'lib/gonzui/cmdapp/search.rb', line 101

def search(pattern)
  separator = ""
  regexp = if @use_regexp
            Regexp.new(pattern)
          else
            Regexp.new(Regexp.quote(pattern))
          end
  results = @dbm.send(@search_method, pattern)
  prev_lineno = prev_path_id = nil
  target_package_id = @dbm.get_package_id(@package_name) if @package_name
  results.sort_by {|x| [x.path_id, x.byteno] }.each {|info|
    next if prev_lineno and prev_path_id and 
      info.path_id == prev_path_id and
      info.lineno == prev_lineno
    if info.match?(@target_type)
      unless @show_method == :show_count
        if @package_name.nil? or package_match?(target_package_id, info)
          @out.print separator
          show_result(regexp, info)
          separator = "\n" if @show_method == :show_context_lines
        end
      end
    end
    prev_lineno = info.lineno
    prev_path_id = info.path_id
  }
  puts results.length if @show_method == :show_count
end