comparison .svn/pristine/f2/f2015be9c3b679bedb2c24e4bc1e2d51751badea.svn-base @ 1298:4f746d8966dd redmine_2.3_integration

Merge from redmine-2.3 branch to create new branch redmine-2.3-integration

+# Redmine - project management software
+# Copyright (C) 2006-2013  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 'redcloth3'
+require 'digest/md5'
+
+module Redmine
+  module WikiFormatting
+    module Textile
+      class Formatter < RedCloth3
+        include ActionView::Helpers::TagHelper
+        include Redmine::WikiFormatting::LinksHelper
+
+        alias :inline_auto_link :auto_link!
+        alias :inline_auto_mailto :auto_mailto!
+
+        # auto_link rule after textile rules so that it doesn't break !image_url! tags
+        RULES = [:textile, :block_markdown_rule, :inline_auto_link, :inline_auto_mailto]
+
+        def initialize(*args)
+          super
+          self.hard_breaks=true
+          self.no_span_caps=true
+          self.filter_styles=false
+        end
+
+        def to_html(*rules)
+          @toc = []
+          super(*RULES).to_s
+        end
+
+        def get_section(index)
+          section = extract_sections(index)[1]
+          hash = Digest::MD5.hexdigest(section)
+          return section, hash
+        end
+
+        def update_section(index, update, hash=nil)
+          t = extract_sections(index)
+          if hash.present? && hash != Digest::MD5.hexdigest(t[1])
+            raise Redmine::WikiFormatting::StaleSectionError
+          end
+          t[1] = update unless t[1].blank?
+          t.reject(&:blank?).join "\n\n"
+        end
+
+        def extract_sections(index)
+          @pre_list = []
+          text = self.dup
+          rip_offtags text, false, false
+          before = ''
+          s = ''
+          after = ''
+          i = 0
+          l = 1
+          started = false
+          ended = false
+          text.scan(/(((?:.*?)(\A|\r?\n\s*\r?\n))(h(\d+)(#{A}#{C})\.(?::(\S+))?[ \t](.*?)$)|.*)/m).each do |all, content, lf, heading, level|
+            if heading.nil?
+              if ended
+                after << all
+              elsif started
+                s << all
+              else
+                before << all
+              end
+              break
+            end
+            i += 1
+            if ended
+              after << all
+            elsif i == index
+              l = level.to_i
+              before << content
+              s << heading
+              started = true
+            elsif i > index
+              s << content
+              if level.to_i > l
+                s << heading
+              else
+                after << heading
+                ended = true
+              end
+            else
+              before << all
+            end
+          end
+          sections = [before.strip, s.strip, after.strip]
+          sections.each {|section| smooth_offtags_without_code_highlighting section}
+          sections
+        end
+
+      private
+
+        # Patch for RedCloth.  Fixed in RedCloth r128 but _why hasn't released it yet.
+        # <a href="http://code.whytheluckystiff.net/redcloth/changeset/128">http://code.whytheluckystiff.net/redcloth/changeset/128</a>
+        def hard_break( text )
+          text.gsub!( /(.)\n(?!\n|\Z| *([#*=]+(\s|$)|[{|]))/, "\\1<br />" ) if hard_breaks
+        end
+
+        alias :smooth_offtags_without_code_highlighting :smooth_offtags
+        # Patch to add code highlighting support to RedCloth
+        def smooth_offtags( text )
+          unless @pre_list.empty?
+            ## replace <pre> content
+            text.gsub!(/<redpre#(\d+)>/) do
+              content = @pre_list[$1.to_i]
+              if content.match(/<code\s+class="(\w+)">\s?(.+)/m)
+                content = "<code class=\"#{$1} syntaxhl\">" +
+                  Redmine::SyntaxHighlighting.highlight_by_language($2, $1)
+              end
+              content
+            end
+          end
+        end
+      end
+    end
+  end
+end