| Name | Lines of code | Maintainability | Test coverage |
| lib/saxon/xdm/map.rb | 60 | A 0 mins | A 97% |
| lib/saxon/parse_options.rb | 61 | A 0 mins | A 100% |
| docs/templates/plugin.rb | 64 | A 1 hr | |
| lib/saxon/processor.rb | 64 | A 0 mins | A 97% |
| lib/saxon/item_type/value_to_ruby.rb | 68 | A 0 mins | A 100% |
| lib/saxon/xpath/static_context.rb | 70 | A 0 mins | A 95% |
| lib/saxon/loader.rb | 79 | A 3 hrs | |
| lib/saxon/sequence_type.rb | 80 | A 0 mins | A 94% |
| lib/saxon/qname.rb | 88 | A 0 mins | A 96% |
| lib/saxon/xslt/evaluation_context.rb | 88 | A 0 mins | A 100% |
| lib/saxon/xdm/atomic_value.rb | 90 | A 0 mins | A 96% |
| lib/saxon/document_builder.rb | 94 | A 0 mins | A 94% |
| lib/saxon/xdm/value.rb | 110 | A 0 mins | A 97% |
| lib/saxon/source.rb | 134 | A 2 hrs | A 95% |
| lib/saxon/xslt/executable.rb | 146 | A 0 mins | A 99% |
| lib/saxon/item_type.rb | 239 | A 0 mins | A 94% |
| lib/saxon/item_type/lexical_string_conversion.rb | 340 | B 4 hrs | A 98% |