135 lines
4.3 KiB
Ruby
135 lines
4.3 KiB
Ruby
# Redmine - project management software
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# Copyright (C) 2006-2013 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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require 'redcloth3'
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require 'digest/md5'
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module Redmine
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module WikiFormatting
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module Textile
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class Formatter < RedCloth3
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include ActionView::Helpers::TagHelper
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include Redmine::WikiFormatting::LinksHelper
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alias :inline_auto_link :auto_link!
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alias :inline_auto_mailto :auto_mailto!
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# auto_link rule after textile rules so that it doesn't break !image_url! tags
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RULES = [:textile, :block_markdown_rule, :inline_auto_link, :inline_auto_mailto]
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def initialize(*args)
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super
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self.hard_breaks=true
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self.no_span_caps=true
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self.filter_styles=false
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end
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def to_html(*rules)
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@toc = []
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super(*RULES).to_s
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end
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def get_section(index)
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section = extract_sections(index)[1]
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hash = Digest::MD5.hexdigest(section)
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return section, hash
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end
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def update_section(index, update, hash=nil)
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t = extract_sections(index)
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if hash.present? && hash != Digest::MD5.hexdigest(t[1])
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raise Redmine::WikiFormatting::StaleSectionError
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end
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t[1] = update unless t[1].blank?
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t.reject(&:blank?).join "\n\n"
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end
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def extract_sections(index)
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@pre_list = []
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text = self.dup
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rip_offtags text, false, false
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before = ''
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s = ''
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after = ''
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i = 0
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l = 1
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started = false
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ended = false
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text.scan(/(((?:.*?)(\A|\r?\n\s*\r?\n))(h(\d+)(#{A}#{C})\.(?::(\S+))?[ \t](.*?)$)|.*)/m).each do |all, content, lf, heading, level|
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if heading.nil?
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if ended
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after << all
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elsif started
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s << all
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else
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before << all
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end
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break
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end
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i += 1
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if ended
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after << all
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elsif i == index
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l = level.to_i
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before << content
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s << heading
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started = true
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elsif i > index
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s << content
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if level.to_i > l
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s << heading
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else
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after << heading
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ended = true
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end
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else
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before << all
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end
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end
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sections = [before.strip, s.strip, after.strip]
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sections.each {|section| smooth_offtags_without_code_highlighting section}
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sections
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end
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private
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# Patch for RedCloth. Fixed in RedCloth r128 but _why hasn't released it yet.
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# <a href="http://code.whytheluckystiff.net/redcloth/changeset/128">http://code.whytheluckystiff.net/redcloth/changeset/128</a>
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def hard_break( text )
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text.gsub!( /(.)\n(?!\n|\Z| *([#*=]+(\s|$)|[{|]))/, "\\1<br />" ) if hard_breaks
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end
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alias :smooth_offtags_without_code_highlighting :smooth_offtags
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# Patch to add code highlighting support to RedCloth
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def smooth_offtags( text )
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unless @pre_list.empty?
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## replace <pre> content
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text.gsub!(/<redpre#(\d+)>/) do
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content = @pre_list[$1.to_i]
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if content.match(/<code\s+class="(\w+)">\s?(.+)/m)
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content = "<code class=\"#{$1} syntaxhl\">" +
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Redmine::SyntaxHighlighting.highlight_by_language($2, $1)
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end
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content
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end
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end
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end
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end
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end
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end
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end
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