Multi Format Architecture

🏗️ Multi-Format Architecture

ebook-rs (v0.2.0) abstracts format-specific container structures into a unified Book model.

---

🏛️ Architecture Overview

                      +-----------------------------+
                      |       Book::from_bytes      |
                      +--------------+--------------+
                                     |
             +-----------------------+-----------------------+
             |                       |                       |
             v                       v                       v
     +---------------+       +---------------+       +---------------+
     |  EpubArchive  |       |   MobiBook    |       |    Fb2Book    |
     | EPUB 2 / 3    |       | MOBI / AZW3   |       | FictionBook 2 |
     +-------+-------+       +-------+-------+       +-------+-------+
             |                       |                       |
             +-----------------------+-----------------------+
                                     |
                                     v
                      +-----------------------------+
                      |    Unified Book Structure   |
                      |  Metadata, Spine, Sections  |
                      +-----------------------------+

Supported Format Handlers

• EpubArchive: ZIP archive reader supporting EPUB 2 (content.opf, toc.ncx) and EPUB 3 (nav.xhtml, landmarks, page-list).
• MobiBook: Binary Palm Database (PDB) container parser with PalmDOC LZ77 decompression and EXTH metadata extraction.
• Fb2Book: FictionBook 2 XML parser with embedded Base64 binary image extraction.
• LitBook: Microsoft Reader ITOL/ITLS binary container extractor.