Added dropdown for all gems, plus /gemlist.js

Signed-off-by: Jesse Newland <jnewland@gmail.com>

lib/gems_and_rdocs.rb

@@ -14,10 +14,17 @@ def call(env)
     can_serve = @urls.any? { |url| path.index(url) == 0 }
 
     if can_serve
-      @file_server.call(env)
+      status, headers, response = @file_server.call(env)
+
+      if (path =~ /doc\// && !(path =~ /index\.html$/))
+        body = ""; response.each { |s| body << s }
+        response = body.gsub(/(<body.*\>)/,'\1<script src="/gemlist.js"></script>')
+        headers["Content-Length"] = response.size.to_s
+      end
     else
       env["PATH_INFO"] = old_path_info
-      @app.call(env)
+      status, headers, response = @app.call(env)
     end
+    [status, headers, response]
   end
 end

lib/rack_rubygems.rb

@@ -149,6 +149,82 @@ class RackRubygems < Sinatra::Base
     Gem.deflate(quick(params[:splat].first).to_yaml)
   end
 
+  get '/gemlist.js' do
+    specs = []
+    total_file_count = 0
+
+    source_index.each do |path, spec|
+      total_file_count += spec.files.size
+      deps = spec.dependencies.map do |dep|
+        { "name"    => dep.name,
+          "type"    => dep.type,
+          "version" => dep.version_requirements.to_s, }
+      end
+
+      deps = deps.sort_by { |dep| [dep["name"].downcase, dep["version"]] }
+      deps.last["is_last"] = true unless deps.empty?
+
+      # executables
+      executables = spec.executables.sort.collect { |exec| {"executable" => exec} }
+      executables = nil if executables.empty?
+      executables.last["is_last"] = true if executables
+
+      specs << {
+        "authors"             => spec.authors.sort.join(", "),
+        "date"                => spec.date.to_s,
+        "dependencies"        => deps,
+        "doc_path"            => "/doc_root/#{spec.full_name}/rdoc/index.html",
+        "executables"         => executables,
+        "only_one_executable" => (executables && executables.size == 1),
+        "full_name"           => spec.full_name,
+        "has_deps"            => !deps.empty?,
+        "homepage"            => spec.homepage,
+        "name"                => spec.name,
+        "rdoc_installed"      => Gem::DocManager.new(spec).rdoc_installed?,
+        "summary"             => spec.summary,
+        "version"             => spec.version.to_s,
+      }
+    end
+
+    specs << {
+      "authors" => "Chad Fowler, Rich Kilmer, Jim Weirich, Eric Hodel and others",
+      "dependencies" => [],
+      "doc_path" => "/doc_root/rubygems-#{Gem::RubyGemsVersion}/rdoc/index.html",
+      "executables" => [{"executable" => 'gem', "is_last" => true}],
+      "only_one_executable" => true,
+      "full_name" => "rubygems-#{Gem::RubyGemsVersion}",
+      "has_deps" => false,
+      "homepage" => "http://rubygems.org/",
+      "name" => 'rubygems',
+      "rdoc_installed" => true,
+      "summary" => "RubyGems itself",
+      "version" => Gem::RubyGemsVersion,
+    }
+
+    specs = specs.sort_by { |spec| [spec["name"].downcase, spec["version"]] }
+    specs.last["is_last"] = true
+
+    # tag all specs with first_name_entry
+    last_spec = nil
+    specs.each do |spec|
+      is_first = last_spec.nil? || (last_spec["name"].downcase != spec["name"].downcase)
+      spec["first_name_entry"] = is_first
+      last_spec = spec
+    end
+
+    @values = { "gem_count" => specs.size.to_s, "specs" => specs,
+               "total_file_count" => total_file_count.to_s }
+
+    body = "document.writeln('<select style=\"float:right;margin: 10px 10px 0 0 \" onchange=\"window.parent.location=this.value\">');"
+    body << "document.writeln('<option value=\"/\">Gems:</option>');"
+    specs.each do |spec|
+      body << "document.writeln(\"<option value='#{spec['doc_path']}'>#{spec['name']} - #{spec['version']}</option>\");"
+    end
+    body << "document.writeln('</select>');"
+    body
+  end
+
+
   def source_index
     @gem_dir = Gem.dir
     @spec_dir = File.join @gem_dir, 'specifications'