Class: RipperTags::VimAppendFormatter

Inherits:
Object
  • Object
show all
Defined in:
lib/ripper-tags/vim_append_formatter.rb

Instance Method Summary collapse

Constructor Details

#initialize(fmt) ⇒ VimAppendFormatter

Wraps a VimFormatter



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# File 'lib/ripper-tags/vim_append_formatter.rb', line 6

def initialize(fmt)
  raise 'append is only possible to a file' if fmt.stdout?
  @formatter = fmt
end

Instance Method Details

#with_output ⇒ Object 



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# File 'lib/ripper-tags/vim_append_formatter.rb', line 11

def with_output
  orig_lines = begin
    File.readlines(@formatter.options.tag_file_name)
  rescue Errno::ENOENT
    []
  end
  @seen_filenames = Set.new

  @formatter.with_output do |out|
    yield out

    orig_lines.each do |line|
      f1, f2, = line.split("\t", 3)
      # skip repeating header entries
      next if f1 == '!_TAG_FILE_FORMAT' || f1 == '!_TAG_FILE_SORTED'
      # skip old tags for newly processed files
      next if f1.index('!_TAG_') != 0 && @seen_filenames.include?(f2)
      # preserve other tags from original file
      @formatter.write_line(line)
    end
  end
end

#write(tag, out) ⇒ Object 



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# File 'lib/ripper-tags/vim_append_formatter.rb', line 34

def write(tag, out)
  @formatter.write(tag, out)
  @seen_filenames << @formatter.relative_path(tag)
end