Webgen::ContentProcessor::Head

     # File lib/webgen/contentprocessor/head.rb, line 36
 36:     def call(context)
 37:       require 'erb'
 38:       context.content.sub!(HTML_HEAD_END_RE) do |match|
 39:         result = ''
 40: 
 41:         # add content set programmatically
 42:         if context.persistent[:cp_head].kind_of?(Hash)
 43:           context.persistent[:cp_head][:js_file].uniq.each do |js_file|
 44:             result += "\n<script type=\"text/javascript\" src=\"#{js_file}\"></script>"
 45:           end if context.persistent[:cp_head][:js_file].kind_of?(Array)
 46: 
 47:           context.persistent[:cp_head][:js_inline].uniq.each do |content|
 48:             result += "\n<script type=\"text/javascript\">\n#{content}\n</script>"
 49:           end if context.persistent[:cp_head][:js_inline].kind_of?(Array)
 50: 
 51:           context.persistent[:cp_head][:css_file].uniq.each do |css_file|
 52:             result += "\n<link rel=\"stylesheet\" href=\"#{css_file}\" type=\"text/css\"/>"
 53:           end if context.persistent[:cp_head][:css_file].kind_of?(Array)
 54: 
 55:           context.persistent[:cp_head][:css_inline].uniq.each do |content|
 56:             result += "\n<style type=\"text/css\"><![CDATA[/\n#{content}\n]]></style>"
 57:           end if context.persistent[:cp_head][:css_inline].kind_of?(Array)
 58:         end
 59:         ((context.persistent[:cp_head] || {})[:meta] || {}).merge(context.node['meta'] || {}).each do |name, content|
 60:           result += "\n<meta name=\"#{ERB::Util.h(name)}\" content=\"#{ERB::Util.h(content)}\" />"
 61:         end
 62: 
 63:         # add links to other languages of same page
 64:         context.dest_node.tree.node_access[:acn][context.dest_node.acn].
 65:           select {|n| n.alcn != context.dest_node.alcn}.each do |node|
 66:           context.dest_node.node_info[:used_meta_info_nodes] << node.alcn
 67:           result += "\n<link type=\"text/html\" rel=\"alternate\" hreflang=\"#{node.lang}\" "
 68:           result += "href=\"#{context.dest_node.route_to(node)}\" "
 69:           if node['title'] && !node['title'].empty?
 70:             result += "lang=\"#{node.lang}\" title=\"#{ERB::Util.h(node['title'])}\" "
 71:           end
 72:           result += "/>"
 73:         end
 74: 
 75:         link = Marshal.load(Marshal.dump(context.node['link'] || {}))
 76: 
 77:         handle_files = lambda do |files|
 78:           [files].flatten.compact.collect do |file|
 79:             if !Webgen::Node.url(file, false).absolute?
 80:               file = context.node.resolve(file, context.dest_node.lang)
 81:               if file
 82:                 context.dest_node.node_info[:used_meta_info_nodes] << file.alcn
 83:                 file = context.dest_node.route_to(file)
 84:               else
 85:                 log(:error) { "Could not resolve path '#{file}' used in 'link' meta information in <#{context.node}>" }
 86:                 context.dest_node.flag(:dirty)
 87:               end
 88:             end
 89:             file
 90:           end.compact
 91:         end
 92: 
 93:         # Add user defined javascript and CSS links
 94:         handle_files.call(link.delete('javascript')).each do |file|
 95:           result += "\n<script type=\"text/javascript\" src=\"#{file}\"></script>"
 96:         end
 97:         handle_files.call(link.delete('css')).each do |file|
 98:           result += "\n<link rel=\"stylesheet\" href=\"#{file}\" type=\"text/css\" />"
 99:         end
100: 
101:         # add generic links specified via the +link+ meta information
102:         link.sort.each do |link_type, vals|
103:           link_type = link_type.downcase
104:           [vals].flatten.each do |val|
105:             val = {'href' => val} if val.kind_of?(String)
106:             val['rel'] ||= link_type
107:             val = LINK_DOCUMENT_ATTRS.merge(val) if LINK_DOCUMENT_TYPES.include?(link_type)
108:             if href = val.delete('href')
109:               href = handle_files.call(href).first
110:             else
111:               log(:error) { "No link target specified for link type '#{link_type}' in 'link' meta information in <#{context.node}>" }
112:             end
113:             if href
114:               s = "\n<link href=\"#{href}\" "
115:               val.sort.each {|k,v| s += "#{k}=\"#{ERB::Util.h(v)}\" "}
116:               result += s + "/>"
117:             end
118:           end
119:         end
120: 
121:         result + match
122:       end
123:       context
124:     end