| # -*- coding: utf-8 -*- |
| # |
| #-- |
| # Copyright (C) 2009-2016 Thomas Leitner <t_leitner@gmx.at> |
| # |
| # This file is part of kramdown which is licensed under the MIT. |
| #++ |
| # |
| |
| require 'kramdown/parser/kramdown/block_boundary' |
| |
| module Kramdown |
| module Parser |
| class Kramdown |
| |
| HEADER_ID=/(?:[ \t]+\{#([A-Za-z][\w:-]*)\})?/ |
| SETEXT_HEADER_START = /^(#{OPT_SPACE}[^ \t].*?)#{HEADER_ID}[ \t]*?\n(-|=)+\s*?\n/ |
| |
| # Parse the Setext header at the current location. |
| def parse_setext_header |
| return false if !after_block_boundary? |
| |
| start_line_number = @src.current_line_number |
| @src.pos += @src.matched_size |
| text, id, level = @src[1], @src[2], @src[3] |
| text.strip! |
| el = new_block_el(:header, nil, nil, :level => (level == '-' ? 2 : 1), :raw_text => text, :location => start_line_number) |
| add_text(text, el) |
| el.attr['id'] = id if id |
| @tree.children << el |
| true |
| end |
| define_parser(:setext_header, SETEXT_HEADER_START) |
| |
| |
| ATX_HEADER_START = /^\#{1,6}/ |
| ATX_HEADER_MATCH = /^(\#{1,6})(.+?(?:\\#)?)\s*?#*#{HEADER_ID}\s*?\n/ |
| |
| # Parse the Atx header at the current location. |
| def parse_atx_header |
| return false if !after_block_boundary? |
| |
| start_line_number = @src.current_line_number |
| @src.check(ATX_HEADER_MATCH) |
| level, text, id = @src[1], @src[2].to_s.strip, @src[3] |
| return false if text.empty? |
| |
| @src.pos += @src.matched_size |
| el = new_block_el(:header, nil, nil, :level => level.length, :raw_text => text, :location => start_line_number) |
| add_text(text, el) |
| el.attr['id'] = id if id |
| @tree.children << el |
| true |
| end |
| define_parser(:atx_header, ATX_HEADER_START) |
| |
| end |
| end |
| end |