| # -*- 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. |
| #++ |
| # |
| |
| module Kramdown |
| module Parser |
| class Kramdown |
| |
| TYPOGRAPHIC_SYMS = [['---', :mdash], ['--', :ndash], ['...', :hellip], |
| ['\\<<', '<<'], ['\\>>', '>>'], |
| ['<< ', :laquo_space], [' >>', :raquo_space], |
| ['<<', :laquo], ['>>', :raquo]] |
| TYPOGRAPHIC_SYMS_SUBST = Hash[*TYPOGRAPHIC_SYMS.flatten] |
| TYPOGRAPHIC_SYMS_RE = /#{TYPOGRAPHIC_SYMS.map {|k,v| Regexp.escape(k)}.join('|')}/ |
| |
| # Parse the typographic symbols at the current location. |
| def parse_typographic_syms |
| start_line_number = @src.current_line_number |
| @src.pos += @src.matched_size |
| val = TYPOGRAPHIC_SYMS_SUBST[@src.matched] |
| if val.kind_of?(Symbol) |
| @tree.children << Element.new(:typographic_sym, val, nil, :location => start_line_number) |
| elsif @src.matched == '\\<<' |
| @tree.children << Element.new(:entity, ::Kramdown::Utils::Entities.entity('lt'), |
| nil, :location => start_line_number) |
| @tree.children << Element.new(:entity, ::Kramdown::Utils::Entities.entity('lt'), |
| nil, :location => start_line_number) |
| else |
| @tree.children << Element.new(:entity, ::Kramdown::Utils::Entities.entity('gt'), |
| nil, :location => start_line_number) |
| @tree.children << Element.new(:entity, ::Kramdown::Utils::Entities.entity('gt'), |
| nil, :location => start_line_number) |
| end |
| end |
| define_parser(:typographic_syms, TYPOGRAPHIC_SYMS_RE, '--|\\.\\.\\.|(?:\\\\| )?(?:<<|>>)') |
| |
| end |
| end |
| end |
