LAW-8105

src/epub_converter/epub_converter.py

@@ -28,7 +28,15 @@ class EpubConverter:
         self.ebooklib_book = epub.read_epub(book_path)
         self.style_processor = style_processor
         self.html_processor = html_processor
-
+        self.toc_styles = []
+        """Font styles for chapter title"""
+        self.toc_styles.append({'level': 1, 'classes': [], 'font-style': []})
+        self.toc_styles.append({'level': 2, 'classes': [], 'font-style': []})
+        self.toc_styles.append({'level': 3, 'classes': [], 'font-style': []})
+        self.toc_styles.append({'level': 4, 'classes': ['.H3'], 'font-style': []})
+        styles = self.ebooklib_book.get_items_of_type(ebooklib.ITEM_STYLE)
+        for x in styles:
+            self.toc_styles = self.style_processor.get_tok_styles(x.content, self.toc_styles)
         # main container for all epub .xhtml files
         self.html_href2html_body_soup: Dict[str, BeautifulSoup] = {}
         # enumerate all subchapter id for each file
@@ -104,6 +112,7 @@ class EpubConverter:
         self.define_chapters_with_content()
         self.book_logger.log(f"Converting html_nodes to LiveCarta chapter items.")
 
+
     def build_href2soup_content(self) -> Dict[str, BeautifulSoup]:
         # using EpubElements
         # for now just for HTML objects, as it is the simplest chapter
@@ -543,6 +552,19 @@ class EpubConverter:
             for tl_nav_point in top_level_nav_points:
                 self.detect_one_chapter(tl_nav_point)
 
+    def prepare_chapter_tag(self, title: str, lvl: int) -> str:
+        print('Lvl: ' + str(lvl))
+        index: int = lvl - 1
+        title_styles = self.toc_styles[index]['font-style']
+        if len(title_styles) > 0:
+            for style in title_styles:
+                if (style == 'italic'):
+                    title = '<i>' + title + '</i>'
+        return title
+
+
+
+
     def html_node_to_livecarta_chapter_item(self, nav_point: NavPoint, lvl: int = 1) -> ChapterItem:
         """
         Function prepare style, tags to json structure
@@ -567,7 +589,7 @@ class EpubConverter:
         self.book_logger.log(indent + f"Chapter: {title} is processing.")
         is_chapter: bool = lvl <= LiveCartaConfig.NUM_SUPPORTED_LEVELS
         self.book_logger.log(indent + "Process title.")
-        title_preprocessed: str = self.html_processor.prepare_title(title)
+        title_preprocessed: str = self.prepare_chapter_tag(self.html_processor.prepare_title(title), lvl)
         self.book_logger.log(indent + "Process content.")
         content_preprocessed: Union[Tag, BeautifulSoup] = self.html_processor.prepare_content(
             title_preprocessed, content, remove_title_from_chapter=is_chapter)

src/style_reader.py

@@ -221,7 +221,6 @@ class StyleReader:
     def build_css_file_content(self, css_content: str) -> str:
         """Build css content with LiveCarta convention"""
         sheet = cssutils.parseString(css_content, validate=False)
-
         for css_rule in sheet:
             if css_rule.type == css_rule.STYLE_RULE:
                 for style_type in css_rule.style:
@@ -230,3 +229,15 @@ class StyleReader:
 
         css_text: str = sheet._getCssText().decode()
         return css_text
+
+    def get_tok_styles(self, css_content: str, header_settings: list) -> list:
+        """Create TOC styles"""
+        sheet = cssutils.parseString(css_content, validate=False)
+        for css_rule in sheet:
+            if css_rule.type == css_rule.STYLE_RULE:
+                for index, header_rule in enumerate(header_settings, start=0):
+                    if css_rule.selectorText in header_rule['classes'] and css_rule.style.getPropertyValue('font-style') != '':
+                        for style_value in css_rule.style.getPropertyValue('font-style').split():
+                            header_settings[index]['font-style'].append(style_value.strip())
+        return header_settings
+