Support for InterWeb Links

lib/chunks/wiki.rb

@@ -14,6 +14,9 @@ module WikiChunk
     # Name of the referenced page
     attr_reader :page_name
 
+    # Name of the referenced page
+    attr_reader :web_name
+
     # the referenced page
     def refpage
       @content.web.page(@page_name)
@@ -49,6 +52,11 @@ module WikiChunk
       not @textile_link_suffix.nil?
     end
 
+    def interweb_link?
+      not @web_name.nil? and Web.find_by_name(@web_name) or
+        Web.find_by_address(@web_name)
+    end
+
     # replace any sequence of whitespace characters with a single space
     def normalize_whitespace(line)
       line.gsub(/\s+/, ' ')
@@ -102,6 +110,7 @@ module WikiChunk
       WIKI_LINK = /(":)?\[\[\s*([^\]\s][^\]]+?)\s*\]\]/
       LINK_TYPE_SEPARATION = Regexp.new('^(.+):((file)|(pic))$', 0, 'utf-8')
       ALIAS_SEPARATION = Regexp.new('^(.+)\|(.+)$', 0, 'utf-8')
+      WEB_SEPARATION = Regexp.new('^(.+):(.+)$', 0, 'utf-8')
     end
 
     def self.pattern() WIKI_LINK end
@@ -112,7 +121,8 @@ module WikiChunk
       @link_text = @page_name = normalize_whitespace(match_data[2])
       separate_link_type
       separate_alias
-      @unmask_text = @content.page_link(@page_name, @link_text, @link_type)
+      separate_web
+      @unmask_text = @content.page_link(@web_name, @page_name, @link_text, @link_type)
     end
 
     private
@@ -137,7 +147,17 @@ module WikiChunk
       # note that [[filename|link text:file]] is also supported
     end
 
+    # Interweb links have the form [[Web Name:Page Name]] or
+    # [[address:PageName]]. Alternate text links of the form
+    # [[address:PageName|Other text]] are also supported.
+    def separate_web
+      web_match = WEB_SEPARATION.match(@page_name)
+      if web_match
+        @web_name = normalize_whitespace(web_match[1])
+        @page_name = web_match[2]
+      end
     end
 
+  end
 
 end

lib/wiki_content.rb

@@ -145,9 +145,10 @@ class WikiContent < String
   end
 
   # Call @web.page_link using current options.
-  def page_link(name, text, link_type)
+  def page_link(web_name, name, text, link_type)
+    web = Web.find_by_name(web_name) || Web.find_by_address(web_name) || @web
     @options[:link_type] = (link_type || :show)
-    @url_generator.make_link(name, @web, text, @options)
+    @url_generator.make_link(name, web, text, @options)
   end
 
   def build_chunks