# File lib/feed_tools/vendor/html5/lib/html5/serializer/htmlserializer.rb, line 15
15:     def initialize(options={})
16:       @quote_attr_values           = false
17:       @quote_char                  = '"'
18:       @use_best_quote_char         = true
19:       @minimize_boolean_attributes = true
20: 
21:       @use_trailing_solidus          = false
22:       @space_before_trailing_solidus = true
23:       @escape_lt_in_attrs            = false
24:       @escape_rcdata                 = false
25: 
26:       @omit_optional_tags = true
27:       @sanitize           = false
28: 
29:       @strip_whitespace = false
30: 
31:       @inject_meta_charset = true
32: 
33:       options.each do |name, value|
34:         next unless instance_variables.include?("@#{name}")
35:         @use_best_quote_char = false if name.to_s == 'quote_char'
36:         instance_variable_set("@#{name}", value)
37:       end
38: 
39:       @errors = []
40:     end

   # File lib/feed_tools/vendor/html5/lib/html5/serializer/htmlserializer.rb, line 7
7:     def self.serialize(stream, options = {})
8:       new(options).serialize(stream, options[:encoding])
9:     end

    # File lib/feed_tools/vendor/html5/lib/html5/serializer/htmlserializer.rb, line 11
11:     def escape(string)
12:       string.gsub("&", "&amp;").gsub("<", "&lt;").gsub(">", "&gt;")
13:     end

     # File lib/feed_tools/vendor/html5/lib/html5/serializer/htmlserializer.rb, line 42
 42:     def serialize(treewalker, encoding=nil)
 43:       in_cdata = false
 44:       @errors = []
 45: 
 46:       if encoding and @inject_meta_charset
 47:         require 'html5/filters/inject_meta_charset'
 48:         treewalker = Filters::InjectMetaCharset.new(treewalker, encoding)
 49:       end
 50: 
 51:       if @strip_whitespace
 52:         require 'html5/filters/whitespace'
 53:         treewalker = Filters::WhitespaceFilter.new(treewalker)
 54:       end
 55: 
 56:       if @sanitize
 57:         require 'html5/filters/sanitizer'
 58:         treewalker = Filters::HTMLSanitizeFilter.new(treewalker)
 59:       end
 60: 
 61:       if @omit_optional_tags
 62:         require 'html5/filters/optionaltags'
 63:         treewalker = Filters::OptionalTagFilter.new(treewalker)
 64:       end
 65: 
 66:       result = []
 67:       treewalker.each do |token|
 68:         type = token[:type]
 69:         if type == :Doctype
 70:           doctype = "<!DOCTYPE %s>" % token[:name]
 71:           result << doctype
 72: 
 73:         elsif [:Characters, :SpaceCharacters].include? type
 74:           if type == :SpaceCharacters or in_cdata
 75:             if in_cdata and token[:data].include?("</")
 76:               serialize_error("Unexpected </ in CDATA")
 77:             end
 78:             result << token[:data]
 79:           else
 80:             result << escape(token[:data])
 81:           end
 82: 
 83:         elsif [:StartTag, :EmptyTag].include? type
 84:           name = token[:name]
 85:           if RCDATA_ELEMENTS.include?(name) and not @escape_rcdata
 86:             in_cdata = true
 87:           elsif in_cdata
 88:             serialize_error(_("Unexpected child element of a CDATA element"))
 89:           end
 90:           attributes = []
 91:           for k,v in attrs = token[:data].to_a.sort
 92:             attributes << ' '
 93: 
 94:             attributes << k
 95:             if not @minimize_boolean_attributes or \
 96:                 (!(BOOLEAN_ATTRIBUTES[name]||[]).include?(k) \
 97:                 and !BOOLEAN_ATTRIBUTES[:global].include?(k))
 98:               attributes << "="
 99:               if @quote_attr_values or v.empty?
100:                 quote_attr = true
101:               else
102:                 quote_attr = (SPACE_CHARACTERS + %w(< > " ')).any? {|c| v.include?(c)}
103:               end
104:               v = v.gsub("&", "&amp;")
105:               v = v.gsub("<", "&lt;") if @escape_lt_in_attrs
106:               if quote_attr
107:                 quote_char = @quote_char
108:                 if @use_best_quote_char
109:                   if v.index("'") and !v.index('"')
110:                     quote_char = '"'
111:                   elsif v.index('"') and !v.index("'")
112:                     quote_char = "'"
113:                   end
114:                 end
115:                 if quote_char == "'"
116:                   v = v.gsub("'", "&#39;")
117:                 else
118:                   v = v.gsub('"', "&quot;")
119:                 end
120:                 attributes << quote_char << v << quote_char
121:               else
122:                 attributes << v
123:               end
124:             end
125:           end
126:           if VOID_ELEMENTS.include?(name) and @use_trailing_solidus
127:             if @space_before_trailing_solidus
128:               attributes << " /"
129:             else
130:               attributes << "/"
131:             end
132:           end
133:           result << "<%s%s>" % [name, attributes.join('')]
134: 
135:         elsif type == :EndTag
136:           name = token[:name]
137:           if RCDATA_ELEMENTS.include?(name)
138:             in_cdata = false
139:           elsif in_cdata
140:             serialize_error(_("Unexpected child element of a CDATA element"))
141:           end
142:           end_tag = "</#{name}>"
143:           result << end_tag
144: 
145:         elsif type == :Comment
146:           data = token[:data]
147:           serialize_error(_("Comment contains --")) if data.index("--")
148:           comment = "<!--%s-->" % token[:data]
149:           result << comment
150: 
151:         else
152:           serialize_error(token[:data])
153:         end
154:       end
155: 
156:       if encoding and encoding != 'utf-8'
157:         require 'iconv'
158:         Iconv.iconv(encoding, 'utf-8', result.join('')).first
159:       else
160:         result.join('')
161:       end
162:     end

     # File lib/feed_tools/vendor/html5/lib/html5/serializer/htmlserializer.rb, line 166
166:     def serialize_error(data="XXX ERROR MESSAGE NEEDED")
167:       # XXX The idea is to make data mandatory.
168:       @errors.push(data)
169:       if @strict
170:         raise SerializeError
171:       end
172:     end