Initial commit.

src/book.py

@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+Book Data Structures
+
+Common book and chapter classes used by all parsers.
+"""
+
+
+class Book:
+    """Represents a parsed book with navigation and content"""
+
+    def __init__(self, title="Untitled", author="Unknown"):
+        """
+        Initialize book
+
+        Args:
+            title: Book title
+            author: Book author
+        """
+        self.title = title
+        self.author = author
+        self.chapters = []  # List of Chapter objects
+
+    def add_chapter(self, chapter):
+        """Add a chapter to the book"""
+        self.chapters.append(chapter)
+
+    def get_chapter(self, index):
+        """Get chapter by index"""
+        if 0 <= index < len(self.chapters):
+            return self.chapters[index]
+        return None
+
+    def get_total_chapters(self):
+        """Get total number of chapters"""
+        return len(self.chapters)
+
+
+class Chapter:
+    """Represents a single chapter with paragraphs"""
+
+    def __init__(self, title="Untitled"):
+        """
+        Initialize chapter
+
+        Args:
+            title: Chapter title
+        """
+        self.title = title
+        self.paragraphs = []  # List of paragraph strings
+
+    def add_paragraph(self, text):
+        """Add a paragraph to the chapter"""
+        if text and text.strip():
+            self.paragraphs.append(text.strip())
+
+    def get_paragraph(self, index):
+        """Get paragraph by index"""
+        if 0 <= index < len(self.paragraphs):
+            return self.paragraphs[index]
+        return None
+
+    def get_total_paragraphs(self):
+        """Get total number of paragraphs"""
+        return len(self.paragraphs)