Class: Gitlab::Diff::Highlight

Inherits:
Object
  • Object
show all
Defined in:
lib/gitlab/diff/highlight.rb

Constant Summary collapse

PREFIX_REGEXP = 
/\A(.)/

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(diff_lines, repository: nil) ⇒ Highlight

Returns a new instance of Highlight.



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# File 'lib/gitlab/diff/highlight.rb', line 12

def initialize(diff_lines, repository: nil)
  @repository = repository
  @project = repository&.project

  if diff_lines.is_a?(Gitlab::Diff::File)
    @diff_file = diff_lines
    @diff_lines = @diff_file.diff_lines
  else
    @diff_lines = diff_lines
  end

  @raw_lines = @diff_lines.map(&:text)
end

Instance Attribute Details

#diff_file ⇒ Object (readonly)

Returns the value of attribute diff_file.



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# File 'lib/gitlab/diff/highlight.rb', line 8

def diff_file
  @diff_file
end

#diff_lines ⇒ Object (readonly)

Returns the value of attribute diff_lines.



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# File 'lib/gitlab/diff/highlight.rb', line 8

def diff_lines
  @diff_lines
end

#project ⇒ Object (readonly)

Returns the value of attribute project.



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# File 'lib/gitlab/diff/highlight.rb', line 8

def project
  @project
end

#repository ⇒ Object (readonly)

Returns the value of attribute repository.



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# File 'lib/gitlab/diff/highlight.rb', line 8

def repository
  @repository
end

Instance Method Details

#highlight ⇒ Object 



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# File 'lib/gitlab/diff/highlight.rb', line 26

def highlight
  populate_marker_ranges

  @diff_lines.map do |diff_line|
    diff_line = diff_line.dup
    # ignore highlighting for "match" lines
    next diff_line if diff_line.meta?

    rich_line = apply_syntax_highlight(diff_line)
    rich_line = apply_marker_ranges_highlight(diff_line, rich_line)

    diff_line.rich_text = rich_line

    diff_line
  end
end