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Contents
# -*- coding: utf-8 -*-
#
#--
# Copyright (C) 2009-2015 Thomas Leitner <t_leitner@gmx.at>
#
# This file is part of kramdown which is licensed under the MIT.
#++
#
require 'kramdown/parser'
module Kramdown
module Parser
class GFM < Kramdown::Parser::Kramdown
def initialize(source, options)
super
@span_parsers.delete(:line_break) if @options[:hard_wrap]
{:codeblock_fenced => :codeblock_fenced_gfm,
:atx_header => :atx_header_gfm}.each do |current, replacement|
i = @block_parsers.index(current)
@block_parsers.delete(current)
@block_parsers.insert(i, replacement)
end
end
def parse
super
add_hard_line_breaks(@root) if @options[:hard_wrap]
end
def add_hard_line_breaks(element)
element.children.map! do |child|
if child.type == :text && child.value =~ /\n/
children = []
lines = child.value.split(/\n/, -1)
omit_trailing_br = (Kramdown::Element.category(element) == :block && element.children[-1] == child &&
lines[-1].empty?)
lines.each_with_index do |line, index|
children << Element.new(:text, (index > 0 ? "\n#{line}" : line))
children << Element.new(:br) if index < lines.size - 2 ||
(index == lines.size - 2 && !omit_trailing_br)
end
children
elsif child.type == :html_element
child
else
add_hard_line_breaks(child)
child
end
end.flatten!
end
ATX_HEADER_START = /^\#{1,6}\s/
define_parser(:atx_header_gfm, ATX_HEADER_START, nil, 'parse_atx_header')
FENCED_CODEBLOCK_MATCH = /^(([~`]){3,})\s*?(\w[\w-]*)?\s*?\n(.*?)^\1\2*\s*?\n/m
define_parser(:codeblock_fenced_gfm, /^[~`]{3,}/, nil, 'parse_codeblock_fenced')
end
end
end
Version data entries
6 entries across 6 versions & 3 rubygems