Class: GitIncludeMacro

Inherits:
Asciidoctor::Extensions::IncludeProcessor
  • Object
show all
Defined in:
lib/asciidoctor-git-include.rb

Instance Method Summary collapse

Instance Method Details

#handles?(target) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/asciidoctor-git-include.rb', line 8

def handles? target
  (target.start_with? 'git@')
end

#process(doc, reader, target, attributes) ⇒ Object 



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# File 'lib/asciidoctor-git-include.rb', line 12

def process doc, reader, target, attributes
  target.slice! "git@"
  repository = attributes.fetch('repository', '.')
  revision = attributes.fetch('revision', 'HEAD')
  lines = attributes.fetch('lines', '')
  as_diff = attributes.value?('diff') || attributes.key?('diff')
  diff_revision = attributes.fetch('diff', "#{revision}~1")

  cmd = %(git -C #{repository} show #{revision}:#{target})
  if (as_diff)
    cmd = %(git -C #{repository} diff #{diff_revision}:#{target} #{revision}:#{target})
  end
  content = %x(#{cmd})

  content = process_line_selection(content, lines) unless lines == ""

  reader.push_include content, target, target, 1, attributes
  reader
end

#process_line_selection(content, lines) ⇒ Object

inspired by github.com/tkfu/asciidoctor-github-include/blob/410e0079b2300596ca2b16c94c23c63459e6d0f8/lib/asciidoctor-github-include.rb#LL79C7-L79C29



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# File 'lib/asciidoctor-git-include.rb', line 33

def process_line_selection content, lines
  snipped_content = []
  selected_lines = []
  text = content.split(/\n/)

  lines.split(/[,;]/).each do |linedef|
    if linedef.include?('..')
      from, to = linedef.split('..', 2).map {|it| it.to_i }
      to = text.length if to == -1
      selected_lines.concat ::Range.new(from, to).to_a
    else
      selected_lines << linedef.to_i
    end
  end
  selected_lines.sort.uniq.each do |i|
    snipped_content << text[i-1]
  end
  snipped_content
end