first version that works with Merb -> add a Merb inclusion hook

lib/will_paginate.rb

@@ -33,3 +33,11 @@ def self.enable_named_scope(patch = true)
   require 'will_paginate/view_helpers/action_view' if defined?(ActionController)
   require 'will_paginate/finders/active_record'    if defined?(ActiveRecord)
 end
+
+if defined?(Merb::Plugins)
+  require 'will_paginate/collection'
+  require 'will_paginate/view_helpers/base'
+  require 'will_paginate/view_helpers/link_renderer'
+  # this only includes will_paginate view stuff in Merb (not finder adapters)
+  Merb::AbstractController.send(:include, WillPaginate::ViewHelpers::Base)
+end

lib/will_paginate/view_helpers/action_view.rb

@@ -68,3 +68,15 @@ def infer_collection_from_controller
 if defined?(ActionController::Base) and ActionController::Base.respond_to? :rescue_responses
   ActionController::Base.rescue_responses['WillPaginate::InvalidPage'] = :not_found
 end
+
+WillPaginate::ViewHelpers::LinkRenderer.class_eval do
+  protected
+
+  def default_url_params
+    { :escape => false }
+  end
+
+  def generate_url(params)
+    @template.url_for(params)
+  end
+end

lib/will_paginate/view_helpers/link_renderer.rb

@@ -82,29 +82,35 @@ def html_container(html)
       # and <tt>:params</tt> option into account.
       def url(page)
         @base_url_params ||= begin
-          url_params = default_url_params
+          url_params = base_url_params
           merge_optional_params(url_params)
           url_params
         end
 
         url_params = @base_url_params.dup
         add_current_page_param(url_params, page)
 
-        @template.url_for(url_params)
+        generate_url(url_params)
       end
 
       def default_url_params
-        url_params = { :escape => false }
-        if @template.request.get?
-          # page links should preserve GET parameters
-          symbolized_update(url_params, @template.params)
-        end
+        { }
+      end
+
+      def base_url_params
+        url_params = default_url_params
+        # page links should preserve GET parameters
+        symbolized_update(url_params, @template.params) if get_request?
         url_params
       end
 
+      def merge_optional_params(url_params)
+        symbolized_update(url_params, @options[:params]) if @options[:params]
+      end
+
       def add_current_page_param(url_params, page)
         unless param_name.index(/[^\w-]/)
-          url_params[param_name] = page
+          url_params[param_name.to_sym] = page
         else
           page_param = (defined?(CGIMethods) ? CGIMethods : ActionController::AbstractRequest).
             parse_query_parameters(param_name + '=' + page.to_s)
@@ -113,8 +119,12 @@ def add_current_page_param(url_params, page)
         end
       end
 
-      def merge_optional_params(url_params)
-        symbolized_update(url_params, @options[:params]) if @options[:params]
+      def get_request?
+        @template.request.get?
+      end
+
+      def generate_url(params)
+        @template.url(params)
       end
 
     private