Class: Rouge::Formatters::HTMLLineHighlighter
- Inherits:
-
Rouge::Formatter
- Object
- Rouge::Formatter
- Rouge::Formatters::HTMLLineHighlighter
- Defined in:
- lib/rouge/formatters/html_line_highlighter.rb
Constant Summary
Constants inherited from Rouge::Formatter
Instance Method Summary collapse
-
#initialize(delegate, opts = {}) ⇒ HTMLLineHighlighter
constructor
A new instance of HTMLLineHighlighter.
- #stream(tokens) ⇒ Object
Methods inherited from Rouge::Formatter
disable_escape!, enable_escape!, #escape?, escape_enabled?, #filter_escapes, find, #format, format, #render, tag, with_escape
Constructor Details
#initialize(delegate, opts = {}) ⇒ HTMLLineHighlighter
Returns a new instance of HTMLLineHighlighter.
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# File 'lib/rouge/formatters/html_line_highlighter.rb', line 9 def initialize(delegate, opts = {}) @delegate = delegate @highlight_line_class = opts.fetch(:highlight_line_class, 'hll') @highlight_lines = opts[:highlight_lines] || [] end |
Instance Method Details
#stream(tokens) ⇒ Object
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# File 'lib/rouge/formatters/html_line_highlighter.rb', line 15 def stream(tokens) token_lines(tokens).with_index(1) do |line_tokens, lineno| line = %(#{@delegate.format(line_tokens)}\n) line = %(<span class="#{@highlight_line_class}">#{line}</span>) if @highlight_lines.include? lineno yield line end end |