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Contents
# Redmine - project management software
# Copyright (C) 2006-2015 Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
require 'loofah/helpers'
module Redmine
module WikiFormatting
class HtmlParser
class_attribute :tags
self.tags = {
'br' => {:post => "\n"},
'style' => ''
}
def self.to_text(html)
html = html.gsub(/[\n\r]/, '').squeeze(' ')
doc = Loofah.document(html)
doc.scrub!(WikiTags.new(tags))
doc.scrub!(:newline_block_elements)
Loofah::Helpers.remove_extraneous_whitespace(doc.text).strip
end
class WikiTags < ::Loofah::Scrubber
def initialize(tags_to_text)
@direction = :bottom_up
@tags_to_text = tags_to_text || {}
end
def scrub(node)
formatting = @tags_to_text[node.name]
case formatting
when Hash
node.add_next_sibling Nokogiri::XML::Text.new("#{formatting[:pre]}#{node.content}#{formatting[:post]}", node.document)
node.remove
when String
node.add_next_sibling Nokogiri::XML::Text.new(formatting, node.document)
node.remove
else
CONTINUE
end
end
end
end
end
end
Version data entries
34 entries across 34 versions & 1 rubygems