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Name	Size	Permission
css.rb	1.56 KB	-rw-r--r--
numbering.rb	3.5 KB	-rw-r--r--
output.rb	3.86 KB	-rw-r--r--

Code Editor : numbering.rb

module CodeRay
module Encoders
 
 class HTML
 
 module Numbering # :nodoc:
 
 def self.number! output, mode = :table, options = {}
 return self unless mode
 
 options = DEFAULT_OPTIONS.merge options
 
 start = options[:line_number_start]
 unless start.is_a? Integer
 raise ArgumentError, "Invalid value %p for :line_number_start; Integer expected." % start
 end
 
 anchor_prefix = options[:line_number_anchors]
 anchor_prefix = 'line' if anchor_prefix == true
 anchor_prefix = anchor_prefix.to_s[/[\w-]+/] if anchor_prefix
 anchoring =
 if anchor_prefix
 proc do |line|
 line = line.to_s
 anchor = anchor_prefix + line
 "<a href=\"##{anchor}\" name=\"#{anchor}\">#{line}</a>"
 end
 else
 :to_s.to_proc
 end
 
 bold_every = options[:bold_every]
 highlight_lines = options[:highlight_lines]
 bolding =
 if bold_every == false && highlight_lines == nil
 anchoring
 elsif highlight_lines.is_a? Enumerable
 highlight_lines = highlight_lines.to_set
 proc do |line|
 if highlight_lines.include? line
 "#{anchoring[line]}" # highlighted line numbers in bold
 else
 anchoring[line]
 end
 end
 elsif bold_every.is_a? Integer
 raise ArgumentError, ":bolding can't be 0." if bold_every == 0
 proc do |line|
 if line % bold_every == 0
 "#{anchoring[line]}" # every bold_every-th number in bold
 else
 anchoring[line]
 end
 end
 else
 raise ArgumentError, 'Invalid value %p for :bolding; false or Integer expected.' % bold_every
 end
 
 if position_of_last_newline = output.rindex(RUBY_VERSION >= '1.9' ? /\n/ : ?\n)
 after_last_newline = output[position_of_last_newline + 1 .. -1]
 ends_with_newline = after_last_newline[/\A(?:<\/span>)*\z/]
 
 if ends_with_newline
 line_count = output.count("\n")
 else
 line_count = output.count("\n") + 1
 end
 else
 line_count = 1
 end
 
 case mode
 when :inline
 max_width = (start + line_count).to_s.size
 line_number = start
 output.gsub!(/^.*$\n?/) do |line|
 line_number_text = bolding.call line_number
 indent = ' ' * (max_width - line_number.to_s.size)
 line_number += 1
 "#{indent}#{line_number_text}#{line}"
 end
 
 when :table
 line_numbers = (start ... start + line_count).map(&bolding).join("\n")
 line_numbers << "\n"
 line_numbers_table_template = Output::TABLE.apply('LINE_NUMBERS', line_numbers)
 
 output.gsub!(/<\/div>\n/, '</div>')
 output.wrap_in! line_numbers_table_template
 output.wrapped_in = :div
 
 when :list
 raise NotImplementedError, 'The :list option is no longer available. Use :table.'
 
 else
 raise ArgumentError, 'Unknown value %p for mode: expected one of %p' %
 [mode, [:table, :inline]]
 end
 
 output
 end
 
 end
 
 end
 
end
end

${this.title}

Code Editor : numbering.rb