Remove trailing whitespace from comments and update test output

lib/ffi_generator/generators/from_c_generator/function_or_callback.rb

@@ -26,9 +26,9 @@ def write_ruby
           writer.puts "", "<em>This entry is only for documentation and no real method.</em>" if @is_callback
           writer.puts "", "@method #{@is_callback ? "_callback_#{ruby_name}_" : ruby_name}(#{@parameters.map{ |parameter| parameter[:name].to_ruby_downcase }.join(', ')})"
           @parameters.each do |parameter|
-            writer.write_description parameter[:description], false, "@param [#{parameter[:type].ruby_description}] #{parameter[:name].to_ruby_downcase} ", "  "
+            writer.write_description parameter[:description], false, "@param [#{parameter[:type].ruby_description}] #{parameter[:name].to_ruby_downcase}", "  "
           end
-          writer.write_description @return_value_description, false, "@return [#{@return_type.ruby_description}] ", "  "
+          writer.write_description @return_value_description, false, "@return [#{@return_type.ruby_description}]", "  "
           writer.puts "@scope class"
         end
 

lib/ffi_generator/generators/from_c_generator/struct_or_union.rb

@@ -23,7 +23,7 @@ def write_ruby
             writer.puts "", "= Fields:"
             @fields.each do |field|
               writer.puts ":#{field[:name].to_ruby_downcase} ::"
-              writer.write_description field[:comment], false, "  (#{field[:type].ruby_description}) ", "  "
+              writer.write_description field[:comment], false, "  (#{field[:type].ruby_description})", "  "
             end
           end
         end
@@ -38,10 +38,10 @@ def write_ruby
               writer.puts "" unless index == 0
               writer.comment do
                 function.parameters[1..-1].each do |parameter|
-                  writer.write_description parameter[:description], false, "@param [#{parameter[:type].ruby_description}] #{parameter[:name].to_ruby_downcase} ", "  "
+                  writer.write_description parameter[:description], false, "@param [#{parameter[:type].ruby_description}] #{parameter[:name].to_ruby_downcase}", "  "
                 end
                 return_type = function.return_type.is_a?(StructOrUnion) ? function.return_type.ruby_name : function.return_type.ruby_description
-                writer.write_description function.return_value_description, false, "@return [#{return_type}] ", "  "
+                writer.write_description function.return_value_description, false, "@return [#{return_type}]", "  "
               end
               writer.puts "def #{name.to_ruby_downcase}(#{parameter_names.join(', ')})"
               writer.indent do

lib/ffi_generator/generators/from_c_generator/writer.rb

@@ -36,7 +36,9 @@ def puts(*lines)
       def write_array(array, separator = "", first_line_prefix = "", other_lines_prefix = "")
         array.each_with_index do |entry, index|
           entry = yield(entry) if block_given?
-          puts("#{index == 0 ? first_line_prefix : other_lines_prefix}#{entry}#{index < array.size - 1 ? separator : ''}")
+          prefix = index == 0 ? first_line_prefix : other_lines_prefix
+          entry = ' ' + entry if !prefix.to_s.empty? && prefix.to_s[-1] != ' ' && !entry.to_s.empty?
+          puts("#{prefix}#{entry}#{index < array.size - 1 ? separator : ''}")
         end
       end