Initial commit.

2011-11-17 15:45:33 -06:00
commit 882015bc6d
1819 changed files with 111625 additions and 0 deletions
--- a/vim/plugin/vim-markdown-preview/kramdown/utils/html.rb
+++ b/vim/plugin/vim-markdown-preview/kramdown/utils/html.rb
@@ -0,0 +1,72 @@
+# -*- coding: utf-8 -*-
+#
+#--
+# Copyright (C) 2009-2010 Thomas Leitner <t_leitner@gmx.at>
+#
+# This file is part of kramdown.
+#
+# kramdown 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 3 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, see <http://www.gnu.org/licenses/>.
+#++
+#
+
+module Kramdown
+
+  module Utils
+
+    module HTML
+
+      # Convert the +entity+ to a string.
+      def entity_to_str(e)
+        if RUBY_VERSION >= '1.9' && (c = e.char.encode(@doc.parse_infos[:encoding]) rescue nil) && !ESCAPE_MAP.has_key?(c)
+          c
+        elsif @doc.options[:numeric_entities] || e.name.nil?
+          "&##{e.code_point};"
+        else
+          "&#{e.name};"
+        end
+      end
+
+      # Return the string with the attributes of the element +el+.
+      def html_attributes(el)
+        (el.options[:attr] || {}).map {|k,v| v.nil? ? '' : " #{k}=\"#{escape_html(v.to_s, :no_entities)}\"" }.sort.join('')
+      end
+
+      ESCAPE_MAP = {
+        '<' => '&lt;',
+        '>' => '&gt;',
+        '&' => '&amp;',
+        '"' => '&quot;'
+      }
+      ESCAPE_ALL_RE = Regexp.union(*ESCAPE_MAP.collect {|k,v| k})
+      ESCAPE_NO_ENTITIES_RE = Regexp.union(REXML::Parsers::BaseParser::REFERENCE_RE, ESCAPE_ALL_RE)
+      ESCAPE_NORMAL = Regexp.union(REXML::Parsers::BaseParser::REFERENCE_RE, /<|>|&/)
+      ESCAPE_RE_FROM_TYPE = {
+        :all => ESCAPE_ALL_RE,
+        :no_entities => ESCAPE_NO_ENTITIES_RE,
+        :text => ESCAPE_NORMAL
+      }
+
+      # Escape the special HTML characters in the string +str+. The parameter +type+ specifies what
+      # is escaped: <tt>:all</tt> - all special HTML characters as well as entities,
+      # <tt>:no_entities</tt> - all special HTML characters but no entities, <tt>:text</tt> - all
+      # special HTML characters except the quotation mark but no entities.
+      def escape_html(str, type = :all)
+        str.gsub(ESCAPE_RE_FROM_TYPE[type]) {|m| ESCAPE_MAP[m] || m}
+      end
+
+    end
+
+  end
+
+end