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Name	Size	Permission	Date
capture	[ DIR ]	drwxr-xr-x	2025-04-16 08:59
api.rb	6.11 KB	-rw-r--r--	2025-03-20 13:38
around_block_scan.rb	6.9 KB	-rw-r--r--	2025-03-20 13:38
block_expand.rb	4.88 KB	-rw-r--r--	2025-03-20 13:38
capture_code_context.rb	6.67 KB	-rw-r--r--	2025-03-20 13:38
clean_document.rb	8.73 KB	-rw-r--r--	2025-03-20 13:38
cli.rb	3.12 KB	-rw-r--r--	2025-03-20 13:38
code_block.rb	2.13 KB	-rw-r--r--	2025-03-20 13:38
code_frontier.rb	5.61 KB	-rw-r--r--	2025-03-20 13:38
code_line.rb	6.62 KB	-rw-r--r--	2025-03-20 13:38
code_search.rb	3.81 KB	-rw-r--r--	2025-03-20 13:38
core_ext.rb	2.65 KB	-rw-r--r--	2025-03-20 13:38
display_code_with_line_numbers.rb	1.77 KB	-rw-r--r--	2025-03-20 13:38
display_invalid_blocks.rb	1.75 KB	-rw-r--r--	2025-03-20 13:38
explain_syntax.rb	2.69 KB	-rw-r--r--	2025-03-20 13:38
left_right_lex_count.rb	4.06 KB	-rw-r--r--	2025-03-20 13:38
lex_all.rb	1.66 KB	-rw-r--r--	2025-03-20 13:38
lex_value.rb	1.5 KB	-rw-r--r--	2025-03-20 13:38
mini_stringio.rb	774 B	-rw-r--r--	2025-03-20 13:38
parse_blocks_from_indent_line.rb	1.5 KB	-rw-r--r--	2025-03-20 13:38
pathname_from_message.rb	1.42 KB	-rw-r--r--	2025-03-20 13:38
priority_engulf_queue.rb	1.26 KB	-rw-r--r--	2025-03-20 13:38
priority_queue.rb	2 KB	-rw-r--r--	2025-03-20 13:38
ripper_errors.rb	960 B	-rw-r--r--	2025-03-20 13:38
scan_history.rb	2.92 KB	-rw-r--r--	2025-03-20 13:38
unvisited_lines.rb	705 B	-rw-r--r--	2025-03-20 13:38
version.rb	76 B	-rw-r--r--	2025-03-20 13:38

Rename

# frozen_string_literal: true

module SyntaxSuggest
  # Outputs code with highlighted lines
  #
  # Whatever is passed to this class will be rendered
  # even if it is "marked invisible" any filtering of
  # output should be done before calling this class.
  #
  #   DisplayCodeWithLineNumbers.new(
  #     lines: lines,
  #     highlight_lines: [lines[2], lines[3]]
  #   ).call
  #   # =>
  #       1
  #       2  def cat
  #     > 3    Dir.chdir
  #     > 4    end
  #       5  end
  #       6
  class DisplayCodeWithLineNumbers
    TERMINAL_HIGHLIGHT = "\e[1;3m" # Bold, italics
    TERMINAL_END = "\e[0m"

def initialize(lines:, highlight_lines: [], terminal: false)
      @lines = Array(lines).sort
      @terminal = terminal
      @highlight_line_hash = Array(highlight_lines).each_with_object({}) { |line, h| h[line] = true }
      @digit_count = @lines.last&.line_number.to_s.length
    end

def call
      @lines.map do |line|
        format_line(line)
      end.join
    end

private def format_line(code_line)
      # Handle trailing slash lines
      code_line.original.lines.map.with_index do |contents, i|
        format(
          empty: code_line.empty?,
          number: (code_line.number + i).to_s,
          contents: contents,
          highlight: @highlight_line_hash[code_line]
        )
      end.join
    end

private def format(contents:, number:, empty:, highlight: false)
      string = +""
      string << if highlight
        "> "
      else
        "  "
      end

string << number.rjust(@digit_count).to_s
      if empty
        string << contents
      else
        string << "  "
        string << TERMINAL_HIGHLIGHT if @terminal && highlight
        string << contents
        string << TERMINAL_END if @terminal
      end
      string
    end
  end
end