| Class | Rating | Complexity | Lines of code |
|---|---|---|---|
| WH_Book | 268 | 851 | |
| WH_DB_Book | 170 | 767 | |
| EPUB_Generator | 115 | 398 | |
| WH_User | 108 | 307 | |
| WH_Status | 96 | 286 | |
| WH_Chapter | 93 | 268 | |
| WH_BookSettings | 84 | 332 | |
| WH_DB_Scene | 60 | 300 | |
| WH_DB_User | 58 | 282 | |
| WH_DB_Chapter | 53 | 249 | |
| WH_Scene | 52 | 191 | |
| Writer_Helper | 48 | 220 | |
| WH_Activity | 48 | 160 | |
| WH_Element | 48 | 123 | |
| EPUB_Xhtml_Chapter | 47 | 159 | |
| WH_DB_Activity | 45 | 224 | |
| WH_DB_Metadata | 39 | 197 | |
| EPUB_XhtmlFile | 37 | 113 | |
| WH_Category | 37 | 140 | |
| EPUB_Book | 32 | 133 | |
| WH_DB_Category | 28 | 171 | |
| WH_LastestPublications | 27 | 99 | |
| WH_Metadata | 26 | 116 | |
| WH_SearchBook | 13 | 64 | |
| WH_BookInfo | 12 | 42 | |
| WH_BookSummary | 12 | 41 | |
| EPUB_Xhtml_Nav | 11 | 35 | |
| Writer_Helper_Plugin | 10 | 51 | |
| WH_Library | 9 | 38 | |
| WH_DB_Stat_Author | 9 | 59 | |
| WH_ChapterBookSummary | 7 | 32 | |
| EPUB_Xhtml_Cover | 6 | 21 | |
| WH_ChapterBookInfo | 6 | 26 | |
| WH_Stat_Author | 4 | 24 | |
| EPUB_Xhtml_Title | 4 | 21 | |
| EPUB_Log | 2 | 6 |