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Duncan Tourolle 2025-06-07 15:20:42 +02:00
parent ab84691278
commit ad0ac238f3
15 changed files with 499 additions and 2004 deletions

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@ -1011,14 +1011,246 @@ class Table(Block):
elif section.lower() == "footer": elif section.lower() == "footer":
self._footer_rows.append(row) self._footer_rows.append(row)
else: # Default to body else: # Default to body
self._rows self._rows.append(row)
def create_row(self, section: str = "body", style=None) -> TableRow:
"""
Create a new table row and add it to this table.
Args:
section: The section to add the row to ("header", "body", or "footer")
style: Optional style override. If None, inherits from table
Returns:
The newly created TableRow object
"""
return TableRow.create_and_add_to(self, section, style)
def header_rows(self) -> Iterator[TableRow]:
"""
Iterate over the header rows in this table.
Yields:
Each TableRow in the header section
"""
for row in self._header_rows:
yield row
def body_rows(self) -> Iterator[TableRow]:
"""
Iterate over the body rows in this table.
Yields:
Each TableRow in the body section
"""
for row in self._rows:
yield row
def footer_rows(self) -> Iterator[TableRow]:
"""
Iterate over the footer rows in this table.
Yields:
Each TableRow in the footer section
"""
for row in self._footer_rows:
yield row
def all_rows(self) -> Iterator[Tuple[str, TableRow]]:
"""
Iterate over all rows in this table with their section labels.
Yields:
Tuples of (section, row) for each row in the table
"""
for row in self._header_rows:
yield ("header", row)
for row in self._rows:
yield ("body", row)
for row in self._footer_rows:
yield ("footer", row)
@property
def row_count(self) -> Dict[str, int]:
"""Get the row counts by section"""
return {
"header": len(self._header_rows),
"body": len(self._rows),
"footer": len(self._footer_rows),
"total": len(self._header_rows) + len(self._rows) + len(self._footer_rows)
}
class Image(Block):
"""
An image element with source, dimensions, and alternative text.
"""
def __init__(self, source: str = "", alt_text: str = "", width: Optional[int] = None, height: Optional[int] = None):
"""
Initialize an image element.
Args:
source: The image source URL or path
alt_text: Alternative text for accessibility
width: Optional image width in pixels
height: Optional image height in pixels
"""
super().__init__(BlockType.IMAGE)
self._source = source
self._alt_text = alt_text
self._width = width
self._height = height
@classmethod
def create_and_add_to(cls, container, source: str = "", alt_text: str = "",
width: Optional[int] = None, height: Optional[int] = None) -> 'Image':
"""
Create a new Image and add it to a container.
Args:
container: The container to add the image to (must have add_block method)
source: The image source URL or path
alt_text: Alternative text for accessibility
width: Optional image width in pixels
height: Optional image height in pixels
Returns:
The newly created Image object
Raises:
AttributeError: If the container doesn't have the required add_block method
"""
# Create the new image
image = cls(source, alt_text, width, height)
# Add the image to the container
if hasattr(container, 'add_block'):
container.add_block(image)
else:
raise AttributeError(f"Container {type(container).__name__} must have an 'add_block' method")
return image
@property
def source(self) -> str:
"""Get the image source"""
return self._source
@source.setter
def source(self, source: str):
"""Set the image source"""
self._source = source
@property
def alt_text(self) -> str:
"""Get the alternative text"""
return self._alt_text
@alt_text.setter
def alt_text(self, alt_text: str):
"""Set the alternative text"""
self._alt_text = alt_text
@property
def width(self) -> Optional[int]:
"""Get the image width"""
return self._width
@width.setter
def width(self, width: Optional[int]):
"""Set the image width"""
self._width = width
@property
def height(self) -> Optional[int]:
"""Get the image height"""
return self._height
@height.setter
def height(self, height: Optional[int]):
"""Set the image height"""
self._height = height
def get_dimensions(self) -> Tuple[Optional[int], Optional[int]]:
"""
Get the image dimensions as a tuple.
Returns:
Tuple of (width, height)
"""
return (self._width, self._height)
def get_aspect_ratio(self) -> Optional[float]:
"""
Calculate the aspect ratio of the image.
Returns:
The aspect ratio (width/height) or None if either dimension is missing
"""
if self._width is not None and self._height is not None and self._height > 0:
return self._width / self._height
return None
def calculate_scaled_dimensions(self, max_width: Optional[int] = None,
max_height: Optional[int] = None) -> Tuple[Optional[int], Optional[int]]:
"""
Calculate scaled dimensions that fit within the given constraints.
Args:
max_width: Maximum allowed width
max_height: Maximum allowed height
Returns:
Tuple of (scaled_width, scaled_height)
"""
if self._width is None or self._height is None:
return (self._width, self._height)
width, height = self._width, self._height
# Scale down if needed
if max_width is not None and width > max_width:
height = int(height * max_width / width)
width = max_width
if max_height is not None and height > max_height:
width = int(width * max_height / height)
height = max_height
return (width, height)
class Image:
pass class HorizontalRule(Block):
"""
class HorizontalRule: A horizontal rule element (hr tag).
"""
pass
def __init__(self):
"""Initialize a horizontal rule element."""
super().__init__(BlockType.HORIZONTAL_RULE)
@classmethod
def create_and_add_to(cls, container) -> 'HorizontalRule':
"""
Create a new HorizontalRule and add it to a container.
Args:
container: The container to add the horizontal rule to (must have add_block method)
Returns:
The newly created HorizontalRule object
Raises:
AttributeError: If the container doesn't have the required add_block method
"""
# Create the new horizontal rule
hr = cls()
# Add the horizontal rule to the container
if hasattr(container, 'add_block'):
container.add_block(hr)
else:
raise AttributeError(f"Container {type(container).__name__} must have an 'add_block' method")
return hr

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@ -124,6 +124,11 @@ class Button(Interactable):
"""Enable or disable the button""" """Enable or disable the button"""
self._enabled = enabled self._enabled = enabled
@property
def params(self) -> Dict[str, Any]:
"""Get the button parameters"""
return self._params
def execute(self) -> Any: def execute(self) -> Any:
""" """
Execute the button's callback function if the button is enabled. Execute the button's callback function if the button is enabled.

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@ -2,6 +2,7 @@ from __future__ import annotations
from pyWebLayout.base import Queriable from pyWebLayout.base import Queriable
from pyWebLayout.style import Font from pyWebLayout.style import Font
from typing import Tuple, Union, List, Optional, Dict from typing import Tuple, Union, List, Optional, Dict
import pyphen
class Word: class Word:
@ -157,9 +158,6 @@ class Word:
Returns: Returns:
bool: True if the word can be hyphenated, False otherwise. bool: True if the word can be hyphenated, False otherwise.
""" """
# Only import pyphen when needed
import pyphen
# Use the provided language or fall back to style language # Use the provided language or fall back to style language
lang = language if language else self._style.language lang = language if language else self._style.language
dic = pyphen.Pyphen(lang=lang) dic = pyphen.Pyphen(lang=lang)
@ -178,9 +176,6 @@ class Word:
Returns: Returns:
bool: True if the word was hyphenated, False otherwise. bool: True if the word was hyphenated, False otherwise.
""" """
# Only import pyphen when needed
import pyphen
# Use the provided language or fall back to style language # Use the provided language or fall back to style language
lang = language if language else self._style.language lang = language if language else self._style.language
dic = pyphen.Pyphen(lang=lang) dic = pyphen.Pyphen(lang=lang)
@ -333,5 +328,58 @@ class FormattedSpan:
class LineBreak: class LineBreak:
"""
pass A line break element that forces a new line within text content.
While this is an inline element that can occur within paragraphs,
it has block-like properties for consistency with the abstract model.
"""
def __init__(self):
"""Initialize a line break element."""
# Import here to avoid circular imports
from .block import BlockType
self._block_type = BlockType.LINE_BREAK
self._parent = None
@property
def block_type(self):
"""Get the block type for this line break"""
return self._block_type
@property
def parent(self):
"""Get the parent element containing this line break, if any"""
return self._parent
@parent.setter
def parent(self, parent):
"""Set the parent element"""
self._parent = parent
@classmethod
def create_and_add_to(cls, container) -> 'LineBreak':
"""
Create a new LineBreak and add it to a container.
Args:
container: The container to add the line break to
Returns:
The newly created LineBreak object
"""
# Create the new line break
line_break = cls()
# Add the line break to the container if it has an appropriate method
if hasattr(container, 'add_line_break'):
container.add_line_break(line_break)
elif hasattr(container, 'add_element'):
container.add_element(line_break)
elif hasattr(container, 'add_word'):
# Some containers might treat line breaks like words
container.add_word(line_break)
else:
# Set parent relationship manually
line_break.parent = container
return line_break

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@ -21,9 +21,11 @@ from pyWebLayout.io.readers.base import BaseReader, MetadataReader, ContentReade
# Specialized HTML readers # Specialized HTML readers
from pyWebLayout.io.readers.html_metadata import HTMLMetadataReader from pyWebLayout.io.readers.html_metadata import HTMLMetadataReader
from pyWebLayout.io.readers.html_content import HTMLContentReader
from pyWebLayout.io.readers.html_resources import HTMLResourceReader from pyWebLayout.io.readers.html_resources import HTMLResourceReader
# HTML extraction parser (the best approach)
from pyWebLayout.io.readers.html_extraction import parse_html_string as parse_html_extraction
# Specialized EPUB readers # Specialized EPUB readers
from pyWebLayout.io.readers.epub_metadata import EPUBMetadataReader from pyWebLayout.io.readers.epub_metadata import EPUBMetadataReader

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@ -11,13 +11,8 @@ from .base import BaseReader, MetadataReader, ContentReader, ResourceReader, Com
# HTML readers (decomposed) # HTML readers (decomposed)
from .html import HTMLReader, read_html, read_html_file, parse_html_string from .html import HTMLReader, read_html, read_html_file, parse_html_string
from .html_metadata import HTMLMetadataReader from .html_metadata import HTMLMetadataReader
from .html_content import HTMLContentReader
from .html_resources import HTMLResourceReader from .html_resources import HTMLResourceReader
# HTML processing components (supporting modules)
from .html_style import HTMLStyleManager
from .html_text import HTMLTextProcessor
from .html_elements import BlockElementHandler, ListElementHandler, TableElementHandler, InlineElementHandler
# EPUB readers # EPUB readers
from .epub_reader import read_epub # Legacy from .epub_reader import read_epub # Legacy
@ -29,7 +24,7 @@ __all__ = [
# HTML readers # HTML readers
'HTMLReader', 'read_html', 'read_html_file', 'parse_html_string', 'HTMLReader', 'read_html', 'read_html_file', 'parse_html_string',
'HTMLMetadataReader', 'HTMLContentReader', 'HTMLResourceReader', 'HTMLMetadataReader', 'HTMLResourceReader',
# EPUB readers # EPUB readers
'read_epub', 'EPUBMetadataReader', 'read_epub', 'EPUBMetadataReader',

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@ -1,36 +1,33 @@
""" """
Modern HTML reader for pyWebLayout. Modern HTML reader for pyWebLayout.
This module provides a decomposed HTML reader that uses specialized This module provides an HTML reader that uses the html_extraction module
readers for metadata, content, and resources, following the pattern for clean, handler-based parsing using BeautifulSoup.
established in the abstract module.
""" """
import os import os
from typing import Union, Optional from typing import Union, Optional
from pyWebLayout.abstract.document import Document from pyWebLayout.abstract.document import Document
from pyWebLayout.io.readers.base import CompositeReader from pyWebLayout.io.readers.base import BaseReader
from pyWebLayout.io.readers.html_metadata import HTMLMetadataReader from pyWebLayout.io.readers.html_metadata import HTMLMetadataReader
from pyWebLayout.io.readers.html_content import HTMLContentReader
from pyWebLayout.io.readers.html_resources import HTMLResourceReader from pyWebLayout.io.readers.html_resources import HTMLResourceReader
from pyWebLayout.io.readers.html_extraction import parse_html_string
from pyWebLayout.style import Font
class HTMLReader(CompositeReader): class HTMLReader(BaseReader):
""" """
Modern HTML reader using decomposed architecture. Modern HTML reader using the html_extraction parser.
This reader combines specialized readers for metadata, content, This reader uses the clean, handler-based architecture from html_extraction.py
and resources to provide a complete HTML parsing solution. for parsing HTML content into pyWebLayout's abstract document structure.
""" """
def __init__(self): def __init__(self):
"""Initialize the HTML reader with all specialized readers.""" """Initialize the HTML reader."""
super().__init__() super().__init__()
self._metadata_reader = HTMLMetadataReader()
# Set up specialized readers self._resource_reader = HTMLResourceReader()
self.set_metadata_reader(HTMLMetadataReader())
self.set_content_reader(HTMLContentReader())
self.set_resource_reader(HTMLResourceReader())
def can_read(self, source: Union[str, bytes]) -> bool: def can_read(self, source: Union[str, bytes]) -> bool:
""" """
@ -76,6 +73,7 @@ class HTMLReader(CompositeReader):
- encoding: Character encoding (default: 'utf-8') - encoding: Character encoding (default: 'utf-8')
- extract_metadata: Whether to extract metadata (default: True) - extract_metadata: Whether to extract metadata (default: True)
- extract_resources: Whether to extract resources (default: True) - extract_resources: Whether to extract resources (default: True)
- base_font: Base font for styling (default: None)
Returns: Returns:
The parsed Document The parsed Document
@ -85,6 +83,7 @@ class HTMLReader(CompositeReader):
encoding = options.get('encoding', 'utf-8') encoding = options.get('encoding', 'utf-8')
extract_metadata = options.get('extract_metadata', True) extract_metadata = options.get('extract_metadata', True)
extract_resources = options.get('extract_resources', True) extract_resources = options.get('extract_resources', True)
base_font = options.get('base_font')
# Read the HTML content # Read the HTML content
html_content = self._read_html_content(source, encoding) html_content = self._read_html_content(source, encoding)
@ -93,10 +92,6 @@ class HTMLReader(CompositeReader):
if not base_url and isinstance(source, str) and os.path.isfile(source): if not base_url and isinstance(source, str) and os.path.isfile(source):
base_url = f"file://{os.path.dirname(os.path.abspath(source))}/" base_url = f"file://{os.path.dirname(os.path.abspath(source))}/"
# Set base URL in content reader
if self._content_reader and hasattr(self._content_reader, 'set_base_url'):
self._content_reader.set_base_url(base_url)
# Create a new document # Create a new document
document = Document() document = Document()
@ -104,9 +99,10 @@ class HTMLReader(CompositeReader):
if extract_metadata and self._metadata_reader: if extract_metadata and self._metadata_reader:
self._metadata_reader.extract_metadata(html_content, document) self._metadata_reader.extract_metadata(html_content, document)
# Extract content # Parse content using html_extraction
if self._content_reader: blocks = parse_html_string(html_content, base_font)
self._content_reader.extract_content(html_content, document) for block in blocks:
document.add_block(block)
# Extract resources if enabled # Extract resources if enabled
if extract_resources and self._resource_reader: if extract_resources and self._resource_reader:

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@ -1,269 +0,0 @@
"""
Modern HTML content reader for pyWebLayout.
This module provides a decomposed HTML content reader that uses specialized
handlers and managers for different aspects of HTML parsing.
"""
from html.parser import HTMLParser as BaseHTMLParser
from typing import Dict, List, Optional, Tuple, Union, Any
from pyWebLayout.abstract.document import Document
from pyWebLayout.io.readers.base import ContentReader
from pyWebLayout.io.readers.html_style import HTMLStyleManager
from pyWebLayout.io.readers.html_text import HTMLTextProcessor
from pyWebLayout.io.readers.html_elements import (
BlockElementHandler, ListElementHandler, TableElementHandler, InlineElementHandler
)
class HTMLContentReader(ContentReader, BaseHTMLParser):
"""
Modern HTML content reader using decomposed architecture.
This class orchestrates specialized handlers to parse HTML content
and convert it to pyWebLayout's abstract document model.
"""
def __init__(self):
"""Initialize the HTML content reader."""
BaseHTMLParser.__init__(self)
# Initialize managers and processors
self.style_manager = HTMLStyleManager()
self.text_processor = HTMLTextProcessor(self.style_manager)
# Initialize element handlers
self.block_handler = BlockElementHandler(self.style_manager, self.text_processor)
self.list_handler = ListElementHandler(self.text_processor)
self.table_handler = TableElementHandler(self.text_processor)
self.inline_handler = InlineElementHandler(self.text_processor)
# Document and parsing state
self._document: Optional[Document] = None
self._in_head = False
self._in_script = False
self._in_style = False
def extract_content(self, html_content: str, document: Document) -> Any:
"""
Extract content from HTML.
Args:
html_content: The HTML content to parse
document: The document to populate with content
Returns:
The document with populated content
"""
self._document = document
self._reset_state()
# Parse the HTML content
self.feed(html_content)
# Flush any remaining text
self.text_processor.flush_text()
return document
def set_base_url(self, base_url: str):
"""Set the base URL for resolving relative links."""
self.inline_handler.set_base_url(base_url)
def _reset_state(self):
"""Reset all parser state for new content."""
# Reset managers and processors
self.style_manager.reset()
self.text_processor.reset()
# Reset element handlers
self.block_handler.reset()
self.list_handler.reset()
self.table_handler.reset()
self.inline_handler.reset()
# Reset parser flags
self._in_head = False
self._in_script = False
self._in_style = False
def handle_starttag(self, tag: str, attrs: List[Tuple[str, Optional[str]]]):
"""Handle the start of an HTML tag."""
tag = tag.lower()
attrs_dict = dict(attrs)
# Skip content in head, script, style (except body)
if self._should_skip_content(tag):
return
# Handle special section markers
if self._handle_special_sections_start(tag):
return
# Apply styles for this element
style = self.style_manager.apply_style_to_element(tag, attrs_dict)
self.style_manager.push_style(style)
# Delegate to appropriate handler
self._delegate_start_tag(tag, attrs_dict)
def handle_endtag(self, tag: str):
"""Handle the end of an HTML tag."""
tag = tag.lower()
# Handle special section markers
if self._handle_special_sections_end(tag):
return
# Skip content in head, script, style
if self._in_head or self._in_script or self._in_style:
return
# Flush any accumulated text
self.text_processor.flush_text()
# Delegate to appropriate handler
self._delegate_end_tag(tag)
# Pop style regardless of tag
self.style_manager.pop_style()
def handle_data(self, data: str):
"""Handle text data."""
if self._in_head or self._in_script or self._in_style:
return
self.text_processor.add_text(data)
def handle_entityref(self, name: str):
"""Handle an HTML entity reference."""
if self._in_head or self._in_script or self._in_style:
return
self.text_processor.add_entity_reference(name)
def handle_charref(self, name: str):
"""Handle a character reference."""
if self._in_head or self._in_script or self._in_style:
return
self.text_processor.add_character_reference(name)
def _should_skip_content(self, tag: str) -> bool:
"""Check if we should skip content based on current state."""
if self._in_head or self._in_script or self._in_style:
if tag in ('head', 'script', 'style'):
return False # Let special section handlers deal with these
if tag != 'body':
return True
return False
def _handle_special_sections_start(self, tag: str) -> bool:
"""Handle special section start tags. Returns True if handled."""
if tag == 'head':
self._in_head = True
return True
elif tag == 'body':
self._in_head = False
return True
elif tag == 'script':
self._in_script = True
return True
elif tag == 'style':
self._in_style = True
return True
return False
def _handle_special_sections_end(self, tag: str) -> bool:
"""Handle special section end tags. Returns True if handled."""
if tag == 'head':
self._in_head = False
self.style_manager.pop_style()
return True
elif tag == 'script':
self._in_script = False
self.style_manager.pop_style()
return True
elif tag == 'style':
self._in_style = False
self.style_manager.pop_style()
return True
return False
def _delegate_start_tag(self, tag: str, attrs: Dict[str, str]):
"""Delegate start tag handling to appropriate handler."""
# Block elements
if tag == 'p':
self.block_handler.handle_paragraph_start(self._document)
elif tag in ('h1', 'h2', 'h3', 'h4', 'h5', 'h6'):
self.block_handler.handle_heading_start(tag, self._document)
elif tag == 'div':
self.block_handler.handle_div_start(self._document)
elif tag == 'blockquote':
self.block_handler.handle_blockquote_start(self._document)
elif tag == 'pre':
self.block_handler.handle_pre_start(self._document)
elif tag == 'code':
self.block_handler.handle_code_start(attrs, self._document)
# List elements
elif tag in ('ul', 'ol', 'dl'):
self.list_handler.handle_list_start(tag, self.block_handler, self._document)
elif tag == 'li':
self.list_handler.handle_list_item_start(self.block_handler)
elif tag in ('dt', 'dd'):
self.list_handler.handle_definition_start(tag, self.block_handler)
# Table elements
elif tag == 'table':
self.table_handler.handle_table_start(attrs, self.block_handler, self._document)
elif tag in ('thead', 'tbody', 'tfoot'):
self.table_handler.handle_table_section_start(tag)
elif tag == 'tr':
self.table_handler.handle_table_row_start()
elif tag in ('td', 'th'):
self.table_handler.handle_table_cell_start(tag, attrs, self.block_handler)
# Inline elements
elif tag == 'a':
self.inline_handler.handle_link_start(attrs)
elif tag == 'img':
self.inline_handler.handle_image(attrs, self.block_handler, self._document)
elif tag == 'br':
self.inline_handler.handle_line_break(self.block_handler)
elif tag == 'hr':
self.inline_handler.handle_horizontal_rule(self.block_handler, self._document)
# Style-only elements (no special handling needed, just styling)
elif tag in ('b', 'strong', 'i', 'em', 'u', 'span'):
pass # Styles are already applied by style manager
def _delegate_end_tag(self, tag: str):
"""Delegate end tag handling to appropriate handler."""
# Block elements
if tag in ('p', 'div', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'blockquote', 'pre', 'code'):
self.block_handler.handle_block_end()
# List elements
elif tag in ('ul', 'ol', 'dl'):
self.list_handler.handle_list_end(self.block_handler)
elif tag in ('li', 'dt', 'dd'):
self.list_handler.handle_list_item_end(self.block_handler)
# Table elements
elif tag == 'table':
self.table_handler.handle_table_end(self.block_handler)
elif tag in ('thead', 'tbody', 'tfoot'):
self.table_handler.handle_table_section_end()
elif tag == 'tr':
self.table_handler.handle_table_row_end()
elif tag in ('td', 'th'):
self.table_handler.handle_table_cell_end(self.block_handler)
# Inline elements
elif tag == 'a':
self.inline_handler.handle_link_end()
# Style-only elements (no special handling needed)
elif tag in ('b', 'strong', 'i', 'em', 'u', 'span'):
pass # Styles are handled by style manager

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@ -1,473 +0,0 @@
"""
HTML element handlers for pyWebLayout.
This module provides specialized handlers for different types of HTML elements,
using composition and delegation to handle specific element types.
"""
from typing import Dict, List, Optional, Any
import urllib.parse
from pyWebLayout.abstract.document import Document
from pyWebLayout.abstract.block import (
Block, Paragraph, Heading, HeadingLevel, Quote, CodeBlock,
HList, ListStyle, ListItem, Table, TableRow, TableCell,
HorizontalRule, Image
)
from pyWebLayout.abstract.inline import LineBreak
from pyWebLayout.abstract.functional import Link, LinkType
from pyWebLayout.io.readers.html_style import HTMLStyleManager
from pyWebLayout.io.readers.html_text import HTMLTextProcessor
class BlockElementHandler:
"""Handles block-level HTML elements like paragraphs, headings, divs."""
def __init__(self, style_manager: HTMLStyleManager, text_processor: HTMLTextProcessor):
self.style_manager = style_manager
self.text_processor = text_processor
self.block_stack: List[Block] = []
self.current_block: Optional[Block] = None
self.current_paragraph: Optional[Paragraph] = None
def reset(self):
"""Reset the handler state."""
self.block_stack = []
self.current_block = None
self.current_paragraph = None
def add_block_to_document_or_parent(self, block: Block, document: Document):
"""Add a block to the document or current parent block."""
if self.current_block and hasattr(self.current_block, 'add_block'):
self.current_block.add_block(block)
else:
document.add_block(block)
def handle_paragraph_start(self, document: Document):
"""Handle the start of a paragraph element."""
self.text_processor.flush_text()
paragraph = Paragraph()
self.add_block_to_document_or_parent(paragraph, document)
self.block_stack.append(paragraph)
self.current_block = paragraph
self.current_paragraph = paragraph
self.text_processor.set_current_paragraph(paragraph)
def handle_heading_start(self, tag: str, document: Document):
"""Handle the start of a heading element."""
self.text_processor.flush_text()
level_map = {
'h1': HeadingLevel.H1, 'h2': HeadingLevel.H2, 'h3': HeadingLevel.H3,
'h4': HeadingLevel.H4, 'h5': HeadingLevel.H5, 'h6': HeadingLevel.H6
}
heading = Heading(level=level_map[tag])
self.add_block_to_document_or_parent(heading, document)
self.block_stack.append(heading)
self.current_block = heading
self.current_paragraph = heading # Heading inherits from Paragraph
self.text_processor.set_current_paragraph(heading)
def handle_div_start(self, document: Document):
"""Handle the start of a div element."""
self.text_processor.flush_text()
div_para = Paragraph()
self.add_block_to_document_or_parent(div_para, document)
self.block_stack.append(div_para)
self.current_block = div_para
self.current_paragraph = div_para
self.text_processor.set_current_paragraph(div_para)
def handle_blockquote_start(self, document: Document):
"""Handle the start of a blockquote element."""
self.text_processor.flush_text()
quote = Quote()
self.add_block_to_document_or_parent(quote, document)
self.block_stack.append(quote)
self.current_block = quote
self.current_paragraph = None
self.text_processor.set_current_paragraph(None)
def handle_pre_start(self, document: Document):
"""Handle the start of a pre element."""
self.text_processor.flush_text()
pre_para = Paragraph()
self.add_block_to_document_or_parent(pre_para, document)
self.block_stack.append(pre_para)
self.current_block = pre_para
self.current_paragraph = pre_para
self.text_processor.set_current_paragraph(pre_para)
def handle_code_start(self, attrs: Dict[str, str], document: Document):
"""Handle the start of a code element."""
# If we're inside a pre, replace the paragraph with a code block
if self.block_stack and isinstance(self.block_stack[-1], Paragraph):
pre_para = self.block_stack.pop()
# Get the language from class if specified
language = ""
if 'class' in attrs:
class_attr = attrs['class']
if class_attr.startswith('language-'):
language = class_attr[9:]
code_block = CodeBlock(language=language)
# Replace the paragraph with the code block in its parent
if pre_para.parent:
parent = pre_para.parent
if hasattr(parent, '_blocks'):
for i, block in enumerate(parent._blocks):
if block == pre_para:
parent._blocks[i] = code_block
code_block.parent = parent
break
else:
# Replace in document blocks
for i, block in enumerate(document.blocks):
if block == pre_para:
document.blocks[i] = code_block
break
self.block_stack.append(code_block)
self.current_block = code_block
self.current_paragraph = None
self.text_processor.set_current_paragraph(None)
def handle_block_end(self):
"""Handle the end of a block element."""
if self.block_stack:
self.block_stack.pop()
if self.block_stack:
self.current_block = self.block_stack[-1]
# Update current paragraph based on block type
if isinstance(self.current_block, Paragraph):
self.current_paragraph = self.current_block
else:
self.current_paragraph = None
else:
self.current_block = None
self.current_paragraph = None
self.text_processor.set_current_paragraph(self.current_paragraph)
class ListElementHandler:
"""Handles list-related HTML elements (ul, ol, dl, li, dt, dd)."""
def __init__(self, text_processor: HTMLTextProcessor):
self.text_processor = text_processor
self.list_stack: List[HList] = []
def reset(self):
"""Reset the handler state."""
self.list_stack = []
def handle_list_start(self, tag: str, block_handler: BlockElementHandler, document: Document):
"""Handle the start of a list element."""
self.text_processor.flush_text()
style_map = {
'ul': ListStyle.UNORDERED,
'ol': ListStyle.ORDERED,
'dl': ListStyle.DEFINITION
}
list_block = HList(style=style_map[tag])
block_handler.add_block_to_document_or_parent(list_block, document)
block_handler.block_stack.append(list_block)
self.list_stack.append(list_block)
block_handler.current_block = list_block
block_handler.current_paragraph = None
self.text_processor.set_current_paragraph(None)
def handle_list_item_start(self, block_handler: BlockElementHandler):
"""Handle the start of a list item."""
if not self.list_stack:
return
self.text_processor.flush_text()
list_item = ListItem()
current_list = self.list_stack[-1]
current_list.add_item(list_item)
block_handler.block_stack.append(list_item)
block_handler.current_block = list_item
# Create a paragraph for the list item content
item_para = Paragraph()
list_item.add_block(item_para)
block_handler.current_paragraph = item_para
self.text_processor.set_current_paragraph(item_para)
def handle_definition_start(self, tag: str, block_handler: BlockElementHandler):
"""Handle the start of definition terms or descriptions."""
if not self.list_stack or self.list_stack[-1].style != ListStyle.DEFINITION:
return
self.text_processor.flush_text()
current_list = self.list_stack[-1]
if tag == 'dt':
list_item = ListItem(term="")
current_list.add_item(list_item)
block_handler.block_stack.append(list_item)
block_handler.current_block = list_item
term_para = Paragraph()
list_item.add_block(term_para)
block_handler.current_paragraph = term_para
self.text_processor.set_current_paragraph(term_para)
elif tag == 'dd':
if current_list._items:
list_item = current_list._items[-1]
desc_para = Paragraph()
list_item.add_block(desc_para)
block_handler.current_paragraph = desc_para
self.text_processor.set_current_paragraph(desc_para)
def handle_list_end(self, block_handler: BlockElementHandler):
"""Handle the end of a list."""
if block_handler.block_stack:
block_handler.block_stack.pop()
if self.list_stack:
self.list_stack.pop()
if block_handler.block_stack:
block_handler.current_block = block_handler.block_stack[-1]
else:
block_handler.current_block = None
block_handler.current_paragraph = None
self.text_processor.set_current_paragraph(None)
def handle_list_item_end(self, block_handler: BlockElementHandler):
"""Handle the end of a list item."""
if block_handler.block_stack:
block_handler.block_stack.pop()
if block_handler.block_stack:
block_handler.current_block = block_handler.block_stack[-1]
else:
block_handler.current_block = None
block_handler.current_paragraph = None
self.text_processor.set_current_paragraph(None)
class TableElementHandler:
"""Handles table-related HTML elements (table, tr, td, th, thead, tbody, tfoot)."""
def __init__(self, text_processor: HTMLTextProcessor):
self.text_processor = text_processor
self.table_stack: List[Table] = []
self.current_table_row: Optional[TableRow] = None
self.current_table_section = "body"
def reset(self):
"""Reset the handler state."""
self.table_stack = []
self.current_table_row = None
self.current_table_section = "body"
def handle_table_start(self, attrs: Dict[str, str], block_handler: BlockElementHandler, document: Document):
"""Handle the start of a table element."""
self.text_processor.flush_text()
caption = attrs.get('summary')
table = Table(caption=caption)
block_handler.add_block_to_document_or_parent(table, document)
block_handler.block_stack.append(table)
self.table_stack.append(table)
block_handler.current_block = table
block_handler.current_paragraph = None
self.text_processor.set_current_paragraph(None)
def handle_table_section_start(self, tag: str):
"""Handle the start of a table section."""
self.current_table_section = tag
def handle_table_row_start(self):
"""Handle the start of a table row."""
if not self.table_stack:
return
self.text_processor.flush_text()
row = TableRow()
current_table = self.table_stack[-1]
section = self.current_table_section
if section == 'thead':
section = "header"
elif section == 'tfoot':
section = "footer"
else:
section = "body"
current_table.add_row(row, section=section)
self.current_table_row = row
def handle_table_cell_start(self, tag: str, attrs: Dict[str, str], block_handler: BlockElementHandler):
"""Handle the start of a table cell."""
if not self.current_table_row:
return
self.text_processor.flush_text()
# Parse attributes
try:
colspan = int(attrs.get('colspan', 1))
rowspan = int(attrs.get('rowspan', 1))
except ValueError:
colspan, rowspan = 1, 1
is_header = (tag == 'th')
cell = TableCell(is_header=is_header, colspan=colspan, rowspan=rowspan)
self.current_table_row.add_cell(cell)
block_handler.block_stack.append(cell)
block_handler.current_block = cell
# Create a paragraph for the cell content
cell_para = Paragraph()
cell.add_block(cell_para)
block_handler.current_paragraph = cell_para
self.text_processor.set_current_paragraph(cell_para)
def handle_table_end(self, block_handler: BlockElementHandler):
"""Handle the end of a table."""
if block_handler.block_stack:
block_handler.block_stack.pop()
if self.table_stack:
self.table_stack.pop()
if block_handler.block_stack:
block_handler.current_block = block_handler.block_stack[-1]
else:
block_handler.current_block = None
block_handler.current_paragraph = None
self.text_processor.set_current_paragraph(None)
self.current_table_row = None
self.current_table_section = "body"
def handle_table_section_end(self):
"""Handle the end of a table section."""
self.current_table_section = "body"
def handle_table_row_end(self):
"""Handle the end of a table row."""
self.current_table_row = None
def handle_table_cell_end(self, block_handler: BlockElementHandler):
"""Handle the end of a table cell."""
if block_handler.block_stack:
block_handler.block_stack.pop()
if block_handler.block_stack:
block_handler.current_block = block_handler.block_stack[-1]
else:
block_handler.current_block = None
block_handler.current_paragraph = None
self.text_processor.set_current_paragraph(None)
class InlineElementHandler:
"""Handles inline and special HTML elements (a, img, br, hr)."""
def __init__(self, text_processor: HTMLTextProcessor, base_url: Optional[str] = None):
self.text_processor = text_processor
self.base_url = base_url
self.in_link = False
self.current_link: Optional[Link] = None
def reset(self):
"""Reset the handler state."""
self.in_link = False
self.current_link = None
def set_base_url(self, base_url: Optional[str]):
"""Set the base URL for resolving relative links."""
self.base_url = base_url
def handle_link_start(self, attrs: Dict[str, str]):
"""Handle the start of a link element."""
self.text_processor.flush_text()
href = attrs.get('href', '')
title = attrs.get('title', '')
# Determine link type
link_type = LinkType.INTERNAL
if href.startswith('http://') or href.startswith('https://'):
link_type = LinkType.EXTERNAL
elif href.startswith('javascript:'):
link_type = LinkType.FUNCTION
elif href.startswith('api:'):
link_type = LinkType.API
href = href[4:]
# Resolve relative URLs
if self.base_url and not href.startswith(('http://', 'https://', 'javascript:', 'api:', '#')):
href = urllib.parse.urljoin(self.base_url, href)
self.current_link = Link(
location=href,
link_type=link_type,
title=title if title else None
)
self.in_link = True
def handle_link_end(self):
"""Handle the end of a link element."""
self.in_link = False
self.current_link = None
def handle_image(self, attrs: Dict[str, str], block_handler: BlockElementHandler, document: Document):
"""Handle an image element."""
src = attrs.get('src', '')
alt = attrs.get('alt', '')
# Parse dimensions
width = height = None
try:
if 'width' in attrs:
width = int(attrs['width'])
if 'height' in attrs:
height = int(attrs['height'])
except ValueError:
pass
# Resolve relative URLs
if self.base_url and not src.startswith(('http://', 'https://')):
src = urllib.parse.urljoin(self.base_url, src)
image = Image(source=src, alt_text=alt, width=width, height=height)
block_handler.add_block_to_document_or_parent(image, document)
def handle_line_break(self, block_handler: BlockElementHandler):
"""Handle a line break element."""
if block_handler.current_paragraph:
line_break = LineBreak()
if hasattr(block_handler.current_paragraph, 'add_block'):
block_handler.current_paragraph.add_block(line_break)
self.text_processor.flush_text()
def handle_horizontal_rule(self, block_handler: BlockElementHandler, document: Document):
"""Handle a horizontal rule element."""
self.text_processor.flush_text()
hr = HorizontalRule()
block_handler.add_block_to_document_or_parent(hr, document)

View File

@ -12,7 +12,8 @@ from bs4 import BeautifulSoup, Tag, NavigableString
from pyWebLayout.abstract.inline import Word, FormattedSpan from pyWebLayout.abstract.inline import Word, FormattedSpan
from pyWebLayout.abstract.block import ( from pyWebLayout.abstract.block import (
Block, Paragraph, Heading, HeadingLevel, Quote, CodeBlock, Block, Paragraph, Heading, HeadingLevel, Quote, CodeBlock,
HList, ListItem, ListStyle, Table, TableRow, TableCell HList, ListItem, ListStyle, Table, TableRow, TableCell,
HorizontalRule, Image
) )
from pyWebLayout.style import Font, FontWeight, FontStyle, TextDecoration from pyWebLayout.style import Font, FontWeight, FontStyle, TextDecoration
@ -576,11 +577,9 @@ def table_header_cell_handler(element: Tag, context: StyleContext) -> TableCell:
return cell return cell
def horizontal_rule_handler(element: Tag, context: StyleContext) -> Block: def horizontal_rule_handler(element: Tag, context: StyleContext) -> HorizontalRule:
"""Handle <hr> elements.""" """Handle <hr> elements."""
# TODO: Create a specific HorizontalRule block type return HorizontalRule()
# For now, return an empty paragraph
return Paragraph(context.font)
def line_break_handler(element: Tag, context: StyleContext) -> None: def line_break_handler(element: Tag, context: StyleContext) -> None:
@ -589,18 +588,22 @@ def line_break_handler(element: Tag, context: StyleContext) -> None:
return None return None
def image_handler(element: Tag, context: StyleContext) -> Block: def image_handler(element: Tag, context: StyleContext) -> Image:
"""Handle <img> elements.""" """Handle <img> elements."""
# TODO: Create Image block type src = context.element_attributes.get('src', '')
# For now, return empty paragraph with alt text if available
paragraph = Paragraph(context.font)
alt_text = context.element_attributes.get('alt', '') alt_text = context.element_attributes.get('alt', '')
if alt_text:
words = alt_text.split() # Parse dimensions if provided
for word_text in words: width = height = None
if word_text: try:
paragraph.add_word(Word(word_text, context.font)) if 'width' in context.element_attributes:
return paragraph width = int(context.element_attributes['width'])
if 'height' in context.element_attributes:
height = int(context.element_attributes['height'])
except ValueError:
pass
return Image(source=src, alt_text=alt_text, width=width, height=height)
def ignore_handler(element: Tag, context: StyleContext) -> None: def ignore_handler(element: Tag, context: StyleContext) -> None:

View File

@ -1,281 +0,0 @@
"""
HTML style management for pyWebLayout.
This module provides specialized functionality for handling CSS styles,
style stacks, and style parsing in HTML documents.
"""
from typing import Dict, List, Any, Optional, Tuple
import re
from pyWebLayout.style import Font, FontStyle, FontWeight, TextDecoration
class HTMLStyleManager:
"""
Manages CSS styles and style stacks during HTML parsing.
This class handles style parsing, style inheritance, and maintains
the style stack for proper style nesting.
"""
def __init__(self):
"""Initialize the style manager."""
self._style_stack: List[Dict[str, Any]] = []
self._current_style = self._get_default_style()
def _get_default_style(self) -> Dict[str, Any]:
"""Get the default style settings."""
return {
'font_size': 12,
'font_weight': FontWeight.NORMAL,
'font_style': FontStyle.NORMAL,
'decoration': TextDecoration.NONE,
'color': (0, 0, 0),
'background': None,
'language': 'en_US'
}
def reset(self):
"""Reset the style manager to initial state."""
self._style_stack = []
self._current_style = self._get_default_style()
def push_style(self, style: Dict[str, Any]):
"""
Push a new style onto the style stack.
Args:
style: The style to push
"""
# Save the current style
self._style_stack.append(self._current_style.copy())
# Apply the new style
for key, value in style.items():
self._current_style[key] = value
def pop_style(self):
"""Pop a style from the style stack."""
if self._style_stack:
self._current_style = self._style_stack.pop()
def get_current_style(self) -> Dict[str, Any]:
"""Get the current style."""
return self._current_style.copy()
def get_tag_style(self, tag: str) -> Dict[str, Any]:
"""
Get the default style for a tag.
Args:
tag: The tag name
Returns:
A dictionary of style properties
"""
tag_styles = {
'h1': {'font_size': 24, 'font_weight': FontWeight.BOLD},
'h2': {'font_size': 20, 'font_weight': FontWeight.BOLD},
'h3': {'font_size': 18, 'font_weight': FontWeight.BOLD},
'h4': {'font_size': 16, 'font_weight': FontWeight.BOLD},
'h5': {'font_size': 14, 'font_weight': FontWeight.BOLD},
'h6': {'font_size': 12, 'font_weight': FontWeight.BOLD},
'b': {'font_weight': FontWeight.BOLD},
'strong': {'font_weight': FontWeight.BOLD},
'i': {'font_style': FontStyle.ITALIC},
'em': {'font_style': FontStyle.ITALIC},
'u': {'decoration': TextDecoration.UNDERLINE},
'a': {'decoration': TextDecoration.UNDERLINE, 'color': (0, 0, 255)},
'code': {'font_family': 'monospace', 'background': (240, 240, 240, 255)},
'pre': {'font_family': 'monospace'},
}
return tag_styles.get(tag, {})
def create_font(self) -> Font:
"""
Create a Font object from the current style.
Returns:
Font: A font object with the current style settings
"""
return Font(
font_size=self._current_style['font_size'],
colour=self._current_style['color'],
weight=self._current_style['font_weight'],
style=self._current_style['font_style'],
decoration=self._current_style['decoration'],
background=self._current_style['background'],
langauge=self._current_style['language']
)
def parse_inline_style(self, style_str: str) -> Dict[str, Any]:
"""
Parse inline CSS style string.
Args:
style_str: CSS style string
Returns:
Dictionary of style properties
"""
if not style_str:
return {}
style_dict = {}
declarations = [d.strip() for d in style_str.split(';') if d.strip()]
for declaration in declarations:
parts = declaration.split(':', 1)
if len(parts) != 2:
continue
prop = parts[0].strip().lower()
value = parts[1].strip()
# Handle specific properties
if prop == 'font-size':
if value.endswith('px'):
try:
size = int(value[:-2])
style_dict['font_size'] = size
except ValueError:
pass
elif value.endswith('pt'):
try:
size = int(value[:-2])
style_dict['font_size'] = size
except ValueError:
pass
elif prop == 'font-weight':
if value == 'bold':
style_dict['font_weight'] = FontWeight.BOLD
elif value == 'normal':
style_dict['font_weight'] = FontWeight.NORMAL
elif prop == 'font-style':
if value == 'italic':
style_dict['font_style'] = FontStyle.ITALIC
elif value == 'normal':
style_dict['font_style'] = FontStyle.NORMAL
elif prop == 'text-decoration':
if value == 'underline':
style_dict['decoration'] = TextDecoration.UNDERLINE
elif value == 'line-through':
style_dict['decoration'] = TextDecoration.STRIKETHROUGH
elif value == 'none':
style_dict['decoration'] = TextDecoration.NONE
elif prop == 'color':
color = self.parse_color(value)
if color:
style_dict['color'] = color
elif prop == 'background-color':
color = self.parse_color(value)
if color:
style_dict['background'] = color + (255,)
return style_dict
def parse_color(self, color_str: str) -> Optional[Tuple[int, int, int]]:
"""
Parse a CSS color string.
Args:
color_str: CSS color string
Returns:
RGB tuple or None if parsing fails
"""
# Named colors
color_map = {
'black': (0, 0, 0),
'white': (255, 255, 255),
'red': (255, 0, 0),
'green': (0, 128, 0),
'blue': (0, 0, 255),
'yellow': (255, 255, 0),
'cyan': (0, 255, 255),
'magenta': (255, 0, 255),
'gray': (128, 128, 128),
'grey': (128, 128, 128),
'silver': (192, 192, 192),
'maroon': (128, 0, 0),
'olive': (128, 128, 0),
'navy': (0, 0, 128),
'purple': (128, 0, 128),
'teal': (0, 128, 128),
'lime': (0, 255, 0),
'aqua': (0, 255, 255),
'fuchsia': (255, 0, 255),
}
# Check for named color
color_str = color_str.lower().strip()
if color_str in color_map:
return color_map[color_str]
# Check for hex color
if color_str.startswith('#'):
try:
if len(color_str) == 4: # #RGB
r = int(color_str[1] + color_str[1], 16)
g = int(color_str[2] + color_str[2], 16)
b = int(color_str[3] + color_str[3], 16)
return (r, g, b)
elif len(color_str) == 7: # #RRGGBB
r = int(color_str[1:3], 16)
g = int(color_str[3:5], 16)
b = int(color_str[5:7], 16)
return (r, g, b)
except ValueError:
pass
# Check for rgb() color
rgb_match = re.match(r'rgb\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)', color_str)
if rgb_match:
try:
r_val = int(rgb_match.group(1))
g_val = int(rgb_match.group(2))
b_val = int(rgb_match.group(3))
# Check if values are in valid range (0-255)
if r_val > 255 or g_val > 255 or b_val > 255 or r_val < 0 or g_val < 0 or b_val < 0:
return None # Invalid color values
return (r_val, g_val, b_val)
except ValueError:
pass
# Check for rgba() color (ignore alpha)
rgba_match = re.match(r'rgba\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*,\s*[\d.]+\s*\)', color_str)
if rgba_match:
try:
r = min(255, max(0, int(rgba_match.group(1))))
g = min(255, max(0, int(rgba_match.group(2))))
b = min(255, max(0, int(rgba_match.group(3))))
return (r, g, b)
except ValueError:
pass
# Failed to parse color
return None
def apply_style_to_element(self, tag: str, attrs: Dict[str, str]) -> Dict[str, Any]:
"""
Apply combined styles (tag defaults + inline styles) for an element.
Args:
tag: The HTML tag name
attrs: Dictionary of tag attributes
Returns:
Combined style dictionary
"""
# Start with tag-specific styles
style = self.get_tag_style(tag)
# Override with inline styles if present
if 'style' in attrs:
inline_style = self.parse_inline_style(attrs['style'])
style.update(inline_style)
return style

View File

@ -1,163 +0,0 @@
"""
HTML text processing for pyWebLayout.
This module provides specialized functionality for handling text content,
entity references, and word creation in HTML documents.
"""
from typing import Optional
from pyWebLayout.abstract.inline import Word
from pyWebLayout.abstract.block import Paragraph
from pyWebLayout.io.readers.html_style import HTMLStyleManager
class HTMLTextProcessor:
"""
Processes text content during HTML parsing.
This class handles text buffering, entity resolution, and word creation
with proper styling applied.
"""
def __init__(self, style_manager: HTMLStyleManager):
"""
Initialize the text processor.
Args:
style_manager: The style manager for creating styled words
"""
self._style_manager = style_manager
self._text_buffer = ""
self._current_paragraph: Optional[Paragraph] = None
def reset(self):
"""Reset the text processor state."""
self._text_buffer = ""
self._current_paragraph = None
def set_current_paragraph(self, paragraph: Optional[Paragraph]):
"""
Set the current paragraph for text output.
Args:
paragraph: The paragraph to receive text, or None
"""
self._current_paragraph = paragraph
def add_text(self, text: str):
"""
Add text to the buffer.
Args:
text: The text to add
"""
self._text_buffer += text
def add_entity_reference(self, name: str):
"""
Add an HTML entity reference to the buffer.
Args:
name: The entity name (e.g., 'lt', 'gt', 'amp')
"""
# Map common entity references to characters
entities = {
'lt': '<',
'gt': '>',
'amp': '&',
'quot': '"',
'apos': "'",
'nbsp': ' ',
'copy': '©',
'reg': '®',
'trade': '',
'mdash': '',
'ndash': '',
'hellip': '',
'laquo': '«',
'raquo': '»',
'ldquo': '"',
'rdquo': '"',
'lsquo': ''',
'rsquo': ''',
'deg': '°',
'plusmn': '±',
'times': '×',
'divide': '÷',
'euro': '',
'pound': '£',
'yen': '¥',
}
char = entities.get(name, f'&{name};')
self._text_buffer += char
def add_character_reference(self, name: str):
"""
Add a character reference to the buffer.
Args:
name: The character reference (decimal or hex)
"""
try:
if name.startswith('x'):
# Hexadecimal reference
char = chr(int(name[1:], 16))
else:
# Decimal reference
char = chr(int(name))
self._text_buffer += char
except (ValueError, OverflowError):
# Invalid character reference
self._text_buffer += f'&#{name};'
def flush_text(self) -> bool:
"""
Flush the text buffer, creating words as needed.
Returns:
True if text was flushed, False if buffer was empty
"""
if not self._text_buffer or not self._current_paragraph:
self._text_buffer = ""
return False
# Clean up the text
text = self._text_buffer.strip()
if not text:
self._text_buffer = ""
return False
# Create words from the text
words = text.split()
for word_text in words:
if word_text:
font = self._style_manager.create_font()
word = Word(word_text, font)
self._current_paragraph.add_word(word)
# Reset text buffer
self._text_buffer = ""
return True
def has_pending_text(self) -> bool:
"""
Check if there is pending text in the buffer.
Returns:
True if there is text waiting to be flushed
"""
return bool(self._text_buffer.strip())
def get_buffer_content(self) -> str:
"""
Get the current buffer content without flushing.
Returns:
The current text buffer content
"""
return self._text_buffer
def clear_buffer(self):
"""Clear the text buffer without creating words."""
self._text_buffer = ""

View File

@ -34,7 +34,7 @@ class Font:
style: FontStyle = FontStyle.NORMAL, style: FontStyle = FontStyle.NORMAL,
decoration: TextDecoration = TextDecoration.NONE, decoration: TextDecoration = TextDecoration.NONE,
background: Optional[Tuple[int, int, int, int]] = None, background: Optional[Tuple[int, int, int, int]] = None,
langauge = "en_EN"): language = "en_EN"):
""" """
Initialize a Font object with the specified properties. Initialize a Font object with the specified properties.
@ -46,6 +46,7 @@ class Font:
style: Font style (normal or italic). style: Font style (normal or italic).
decoration: Text decoration (none, underline, or strikethrough). decoration: Text decoration (none, underline, or strikethrough).
background: RGBA background color for the text. If None, transparent background. background: RGBA background color for the text. If None, transparent background.
language: Language code for hyphenation and text processing.
""" """
self._font_path = font_path self._font_path = font_path
self._font_size = font_size self._font_size = font_size
@ -54,7 +55,7 @@ class Font:
self._style = style self._style = style
self._decoration = decoration self._decoration = decoration
self._background = background if background else (255, 255, 255, 0) self._background = background if background else (255, 255, 255, 0)
self.language = langauge self.language = language
# Load the font file or use default # Load the font file or use default
self._load_font() self._load_font()

View File

@ -1,354 +0,0 @@
"""
Unit tests for HTML content reading.
Tests the HTMLContentReader class for parsing complete HTML documents.
This is more of an integration test covering the entire parsing pipeline.
"""
import unittest
from pyWebLayout.io.readers.html_content import HTMLContentReader
from pyWebLayout.abstract.document import Document
from pyWebLayout.abstract.block import (
Paragraph, Heading, HeadingLevel, HList, ListStyle,
Table, Quote, CodeBlock, HorizontalRule
)
from pyWebLayout.abstract.inline import LineBreak
class TestHTMLContentReader(unittest.TestCase):
"""Test cases for HTMLContentReader."""
def setUp(self):
"""Set up test fixtures."""
self.reader = HTMLContentReader()
self.document = Document()
def test_simple_paragraph(self):
"""Test parsing a simple paragraph."""
html = '<p>Hello world!</p>'
result = self.reader.extract_content(html, self.document)
self.assertEqual(len(self.document.blocks), 1)
self.assertIsInstance(self.document.blocks[0], Paragraph)
paragraph = self.document.blocks[0]
words = list(paragraph.words())
self.assertEqual(len(words), 2)
self.assertEqual(words[0][1].text, "Hello")
self.assertEqual(words[1][1].text, "world!")
def test_headings(self):
"""Test parsing different heading levels."""
html = '''
<h1>Heading 1</h1>
<h2>Heading 2</h2>
<h3>Heading 3</h3>
<h6>Heading 6</h6>
'''
self.reader.extract_content(html, self.document)
# Should have 4 heading blocks
headings = [block for block in self.document.blocks if isinstance(block, Heading)]
self.assertEqual(len(headings), 4)
# Check heading levels
self.assertEqual(headings[0].level, HeadingLevel.H1)
self.assertEqual(headings[1].level, HeadingLevel.H2)
self.assertEqual(headings[2].level, HeadingLevel.H3)
self.assertEqual(headings[3].level, HeadingLevel.H6)
# Check text content
h1_words = list(headings[0].words())
self.assertEqual(len(h1_words), 2)
self.assertEqual(h1_words[0][1].text, "Heading")
self.assertEqual(h1_words[1][1].text, "1")
def test_styled_text(self):
"""Test parsing text with inline styling."""
html = '<p>This is <b>bold</b> and <i>italic</i> text.</p>'
self.reader.extract_content(html, self.document)
self.assertEqual(len(self.document.blocks), 1)
paragraph = self.document.blocks[0]
words = list(paragraph.words())
# Should have words: "This", "is", "bold", "and", "italic", "text."
self.assertEqual(len(words), 6)
# The styling information is embedded in the Font objects
# We can't easily test the exact styling without more complex setup
# but we can verify the words are created correctly
word_texts = [word[1].text for word in words]
self.assertEqual(word_texts, ["This", "is", "bold", "and", "italic", "text."])
def test_unordered_list(self):
"""Test parsing unordered lists."""
html = '''
<ul>
<li>First item</li>
<li>Second item</li>
<li>Third item</li>
</ul>
'''
self.reader.extract_content(html, self.document)
self.assertEqual(len(self.document.blocks), 1)
self.assertIsInstance(self.document.blocks[0], HList)
list_block = self.document.blocks[0]
self.assertEqual(list_block.style, ListStyle.UNORDERED)
items = list(list_block.items())
self.assertEqual(len(items), 3)
# Check first item content
first_item_blocks = list(items[0].blocks())
self.assertEqual(len(first_item_blocks), 1)
self.assertIsInstance(first_item_blocks[0], Paragraph)
def test_ordered_list(self):
"""Test parsing ordered lists."""
html = '''
<ol>
<li>First step</li>
<li>Second step</li>
</ol>
'''
self.reader.extract_content(html, self.document)
self.assertEqual(len(self.document.blocks), 1)
list_block = self.document.blocks[0]
self.assertEqual(list_block.style, ListStyle.ORDERED)
items = list(list_block.items())
self.assertEqual(len(items), 2)
def test_definition_list(self):
"""Test parsing definition lists."""
html = '''
<dl>
<dt>Term 1</dt>
<dd>Definition 1</dd>
<dt>Term 2</dt>
<dd>Definition 2</dd>
</dl>
'''
self.reader.extract_content(html, self.document)
self.assertEqual(len(self.document.blocks), 1)
list_block = self.document.blocks[0]
self.assertEqual(list_block.style, ListStyle.DEFINITION)
items = list(list_block.items())
self.assertEqual(len(items), 2) # Two dt/dd pairs
def test_table(self):
"""Test parsing simple tables."""
html = '''
<table>
<tr>
<th>Header 1</th>
<th>Header 2</th>
</tr>
<tr>
<td>Cell 1</td>
<td>Cell 2</td>
</tr>
</table>
'''
self.reader.extract_content(html, self.document)
self.assertEqual(len(self.document.blocks), 1)
self.assertIsInstance(self.document.blocks[0], Table)
table = self.document.blocks[0]
# Check body rows
body_rows = list(table.body_rows())
self.assertEqual(len(body_rows), 2) # Header row + data row
# Check first row (header)
first_row_cells = list(body_rows[0].cells())
self.assertEqual(len(first_row_cells), 2)
self.assertTrue(first_row_cells[0].is_header)
self.assertTrue(first_row_cells[1].is_header)
# Check second row (data)
second_row_cells = list(body_rows[1].cells())
self.assertEqual(len(second_row_cells), 2)
self.assertFalse(second_row_cells[0].is_header)
self.assertFalse(second_row_cells[1].is_header)
def test_blockquote(self):
"""Test parsing blockquotes."""
html = '''
<blockquote>
<p>This is a quoted paragraph.</p>
<p>Another quoted paragraph.</p>
</blockquote>
'''
self.reader.extract_content(html, self.document)
self.assertEqual(len(self.document.blocks), 1)
self.assertIsInstance(self.document.blocks[0], Quote)
quote = self.document.blocks[0]
quote_blocks = list(quote.blocks())
self.assertEqual(len(quote_blocks), 2)
self.assertIsInstance(quote_blocks[0], Paragraph)
self.assertIsInstance(quote_blocks[1], Paragraph)
def test_code_block(self):
"""Test parsing code blocks."""
html = '''
<pre><code class="language-python">
def hello():
print("Hello, world!")
</code></pre>
'''
self.reader.extract_content(html, self.document)
self.assertEqual(len(self.document.blocks), 1)
self.assertIsInstance(self.document.blocks[0], CodeBlock)
code_block = self.document.blocks[0]
self.assertEqual(code_block.language, "python")
def test_horizontal_rule(self):
"""Test parsing horizontal rules."""
html = '<p>Before</p><hr><p>After</p>'
self.reader.extract_content(html, self.document)
self.assertEqual(len(self.document.blocks), 3)
self.assertIsInstance(self.document.blocks[0], Paragraph)
self.assertIsInstance(self.document.blocks[1], HorizontalRule)
self.assertIsInstance(self.document.blocks[2], Paragraph)
def test_html_entities(self):
"""Test handling HTML entities."""
html = '<p>Less than: &lt; Greater than: &gt; Ampersand: &amp;</p>'
self.reader.extract_content(html, self.document)
paragraph = self.document.blocks[0]
words = list(paragraph.words())
# Find the entity words
word_texts = [word[1].text for word in words]
self.assertIn('<', word_texts)
self.assertIn('>', word_texts)
self.assertIn('&', word_texts)
def test_nested_elements(self):
"""Test parsing nested HTML elements."""
html = '''
<div>
<h2>Section Title</h2>
<p>Section content with <strong>important</strong> text.</p>
<ul>
<li>List item 1</li>
<li>List item 2</li>
</ul>
</div>
'''
self.reader.extract_content(html, self.document)
# Should have multiple blocks
self.assertGreater(len(self.document.blocks), 1)
# Check that we have different types of blocks
block_types = [type(block).__name__ for block in self.document.blocks]
self.assertIn('Paragraph', block_types) # From div
self.assertIn('Heading', block_types)
self.assertIn('HList', block_types)
def test_empty_elements(self):
"""Test handling empty HTML elements."""
html = '<p></p><div></div><ul></ul>'
self.reader.extract_content(html, self.document)
# Empty elements should still create blocks
self.assertEqual(len(self.document.blocks), 3)
def test_whitespace_handling(self):
"""Test proper whitespace handling."""
html = '''
<p> Word1 Word2
Word3 </p>
'''
self.reader.extract_content(html, self.document)
paragraph = self.document.blocks[0]
words = list(paragraph.words())
# Should normalize whitespace and create separate words
word_texts = [word[1].text for word in words]
self.assertEqual(word_texts, ["Word1", "Word2", "Word3"])
def test_base_url_setting(self):
"""Test setting base URL for link resolution."""
base_url = "https://example.com/path/"
self.reader.set_base_url(base_url)
# The base URL should be passed to the inline handler
self.assertEqual(self.reader.inline_handler.base_url, base_url)
def test_complex_document(self):
"""Test parsing a complex HTML document."""
html = '''
<!DOCTYPE html>
<html>
<head>
<title>Test Document</title>
<style>body { font-family: Arial; }</style>
</head>
<body>
<h1>Main Title</h1>
<p>Introduction paragraph with <em>emphasis</em>.</p>
<h2>Section 1</h2>
<p>Content with <a href="link.html">a link</a>.</p>
<ul>
<li>Item 1</li>
<li>Item 2 with <strong>bold text</strong></li>
</ul>
<h2>Section 2</h2>
<blockquote>
<p>A quoted paragraph.</p>
</blockquote>
<table>
<tr><th>Col1</th><th>Col2</th></tr>
<tr><td>A</td><td>B</td></tr>
</table>
</body>
</html>
'''
self.reader.extract_content(html, self.document)
# Should have parsed multiple blocks
self.assertGreater(len(self.document.blocks), 5)
# Should have different types of content
block_types = set(type(block).__name__ for block in self.document.blocks)
expected_types = {'Heading', 'Paragraph', 'HList', 'Quote', 'Table'}
self.assertTrue(expected_types.issubset(block_types))
if __name__ == '__main__':
unittest.main()

View File

@ -1,181 +1,181 @@
""" """
Unit tests for HTML style management. Unit tests for pyWebLayout style objects.
Tests the HTMLStyleManager class for CSS parsing, style stacks, and font creation. Tests the Font class and style enums for proper functionality and immutability.
""" """
import unittest import unittest
from pyWebLayout.io.readers.html_style import HTMLStyleManager from pyWebLayout.style import Font, FontStyle, FontWeight, TextDecoration, Alignment
from pyWebLayout.style import FontStyle, FontWeight, TextDecoration
class TestHTMLStyleManager(unittest.TestCase): class TestStyleObjects(unittest.TestCase):
"""Test cases for HTMLStyleManager.""" """Test cases for pyWebLayout style objects."""
def setUp(self): def test_font_weight_enum(self):
"""Set up test fixtures.""" """Test FontWeight enum values."""
self.style_manager = HTMLStyleManager() self.assertEqual(FontWeight.NORMAL.value, "normal")
self.assertEqual(FontWeight.BOLD.value, "bold")
# Test that all expected values exist
weights = [FontWeight.NORMAL, FontWeight.BOLD]
self.assertEqual(len(weights), 2)
def test_initialization(self): def test_font_style_enum(self):
"""Test proper initialization of style manager.""" """Test FontStyle enum values."""
style = self.style_manager.get_current_style() self.assertEqual(FontStyle.NORMAL.value, "normal")
self.assertEqual(FontStyle.ITALIC.value, "italic")
self.assertEqual(style['font_size'], 12) # Test that all expected values exist
self.assertEqual(style['font_weight'], FontWeight.NORMAL) styles = [FontStyle.NORMAL, FontStyle.ITALIC]
self.assertEqual(style['font_style'], FontStyle.NORMAL) self.assertEqual(len(styles), 2)
self.assertEqual(style['decoration'], TextDecoration.NONE)
self.assertEqual(style['color'], (0, 0, 0))
self.assertIsNone(style['background'])
self.assertEqual(style['language'], 'en_US')
def test_style_stack_operations(self): def test_text_decoration_enum(self):
"""Test push and pop operations on style stack.""" """Test TextDecoration enum values."""
# Initial state self.assertEqual(TextDecoration.NONE.value, "none")
initial_style = self.style_manager.get_current_style() self.assertEqual(TextDecoration.UNDERLINE.value, "underline")
self.assertEqual(TextDecoration.STRIKETHROUGH.value, "strikethrough")
# Push a new style # Test that all expected values exist
new_style = {'font_size': 16, 'font_weight': FontWeight.BOLD} decorations = [TextDecoration.NONE, TextDecoration.UNDERLINE, TextDecoration.STRIKETHROUGH]
self.style_manager.push_style(new_style) self.assertEqual(len(decorations), 3)
current_style = self.style_manager.get_current_style()
self.assertEqual(current_style['font_size'], 16)
self.assertEqual(current_style['font_weight'], FontWeight.BOLD)
self.assertEqual(current_style['color'], (0, 0, 0)) # Unchanged
# Pop the style
self.style_manager.pop_style()
restored_style = self.style_manager.get_current_style()
self.assertEqual(restored_style, initial_style)
def test_tag_styles(self): def test_alignment_enum(self):
"""Test default styles for HTML tags.""" """Test Alignment enum values."""
h1_style = self.style_manager.get_tag_style('h1') self.assertEqual(Alignment.LEFT.value, 1)
self.assertEqual(h1_style['font_size'], 24) self.assertEqual(Alignment.CENTER.value, 2)
self.assertEqual(h1_style['font_weight'], FontWeight.BOLD) self.assertEqual(Alignment.RIGHT.value, 3)
self.assertEqual(Alignment.TOP.value, 4)
h6_style = self.style_manager.get_tag_style('h6') self.assertEqual(Alignment.BOTTOM.value, 5)
self.assertEqual(h6_style['font_size'], 12) self.assertEqual(Alignment.JUSTIFY.value, 6)
self.assertEqual(h6_style['font_weight'], FontWeight.BOLD)
em_style = self.style_manager.get_tag_style('em')
self.assertEqual(em_style['font_style'], FontStyle.ITALIC)
unknown_style = self.style_manager.get_tag_style('unknown')
self.assertEqual(unknown_style, {})
def test_inline_style_parsing(self): def test_font_initialization_defaults(self):
"""Test parsing of inline CSS styles.""" """Test Font initialization with default values."""
# Test font-size font = Font()
style = self.style_manager.parse_inline_style('font-size: 18px')
self.assertEqual(style['font_size'], 18)
style = self.style_manager.parse_inline_style('font-size: 14pt') self.assertIsNone(font._font_path)
self.assertEqual(style['font_size'], 14) self.assertEqual(font.font_size, 12)
self.assertEqual(font.colour, (0, 0, 0))
# Test font-weight self.assertEqual(font.color, (0, 0, 0)) # Alias
style = self.style_manager.parse_inline_style('font-weight: bold') self.assertEqual(font.weight, FontWeight.NORMAL)
self.assertEqual(style['font_weight'], FontWeight.BOLD) self.assertEqual(font.style, FontStyle.NORMAL)
self.assertEqual(font.decoration, TextDecoration.NONE)
# Test font-style self.assertEqual(font.background, (255, 255, 255, 0)) # Transparent
style = self.style_manager.parse_inline_style('font-style: italic') self.assertEqual(font.language, "en_EN")
self.assertEqual(style['font_style'], FontStyle.ITALIC)
def test_font_initialization_custom(self):
# Test text-decoration """Test Font initialization with custom values."""
style = self.style_manager.parse_inline_style('text-decoration: underline') font = Font(
self.assertEqual(style['decoration'], TextDecoration.UNDERLINE) font_path="/path/to/font.ttf",
font_size=16,
# Test multiple properties colour=(255, 0, 0),
style = self.style_manager.parse_inline_style( weight=FontWeight.BOLD,
'font-size: 20px; font-weight: bold; color: red' style=FontStyle.ITALIC,
decoration=TextDecoration.UNDERLINE,
background=(255, 255, 0, 255),
langauge="fr_FR"
) )
self.assertEqual(style['font_size'], 20)
self.assertEqual(style['font_weight'], FontWeight.BOLD)
self.assertEqual(style['color'], (255, 0, 0))
def test_color_parsing(self):
"""Test CSS color parsing."""
# Named colors
self.assertEqual(self.style_manager.parse_color('red'), (255, 0, 0))
self.assertEqual(self.style_manager.parse_color('blue'), (0, 0, 255))
self.assertEqual(self.style_manager.parse_color('white'), (255, 255, 255))
self.assertEqual(self.style_manager.parse_color('gray'), (128, 128, 128))
self.assertEqual(self.style_manager.parse_color('grey'), (128, 128, 128))
# Hex colors
self.assertEqual(self.style_manager.parse_color('#ff0000'), (255, 0, 0))
self.assertEqual(self.style_manager.parse_color('#00ff00'), (0, 255, 0))
self.assertEqual(self.style_manager.parse_color('#f00'), (255, 0, 0))
self.assertEqual(self.style_manager.parse_color('#0f0'), (0, 255, 0))
# RGB colors
self.assertEqual(self.style_manager.parse_color('rgb(255, 0, 0)'), (255, 0, 0))
self.assertEqual(self.style_manager.parse_color('rgb(128, 128, 128)'), (128, 128, 128))
self.assertEqual(self.style_manager.parse_color('rgb( 255 , 255 , 255 )'), (255, 255, 255))
# RGBA colors (alpha ignored)
self.assertEqual(self.style_manager.parse_color('rgba(255, 0, 0, 0.5)'), (255, 0, 0))
# Invalid colors
self.assertIsNone(self.style_manager.parse_color('invalid'))
self.assertIsNone(self.style_manager.parse_color('#gg0000'))
self.assertIsNone(self.style_manager.parse_color('rgb(300, 0, 0)')) # Invalid values return None
def test_color_clamping(self):
"""Test that RGB values outside valid range return None."""
# Values outside 0-255 range should return None
color = self.style_manager.parse_color('rgb(300, -10, 128)')
self.assertIsNone(color) # Invalid values return None
def test_apply_style_to_element(self):
"""Test combining tag styles with inline styles."""
# Test h1 with inline style
attrs = {'style': 'color: blue; font-size: 30px'}
combined = self.style_manager.apply_style_to_element('h1', attrs)
# Should have h1 defaults plus inline overrides
self.assertEqual(combined['font_size'], 30) # Overridden
self.assertEqual(combined['font_weight'], FontWeight.BOLD) # From h1
self.assertEqual(combined['color'], (0, 0, 255)) # Inline
# Test without inline styles
combined = self.style_manager.apply_style_to_element('strong', {})
self.assertEqual(combined['font_weight'], FontWeight.BOLD)
def test_reset(self):
"""Test resetting the style manager."""
# Change the state
self.style_manager.push_style({'font_size': 20})
self.style_manager.push_style({'color': (255, 0, 0)})
# Reset
self.style_manager.reset()
# Should be back to initial state
style = self.style_manager.get_current_style()
self.assertEqual(style['font_size'], 12)
self.assertEqual(style['color'], (0, 0, 0))
self.assertEqual(len(self.style_manager._style_stack), 0)
def test_font_creation(self):
"""Test Font object creation from current style."""
# Set some specific styles
self.style_manager.push_style({
'font_size': 16,
'font_weight': FontWeight.BOLD,
'font_style': FontStyle.ITALIC,
'decoration': TextDecoration.UNDERLINE,
'color': (255, 0, 0),
'background': (255, 255, 0, 255)
})
font = self.style_manager.create_font()
self.assertEqual(font._font_path, "/path/to/font.ttf")
self.assertEqual(font.font_size, 16) self.assertEqual(font.font_size, 16)
self.assertEqual(font.colour, (255, 0, 0))
self.assertEqual(font.weight, FontWeight.BOLD) self.assertEqual(font.weight, FontWeight.BOLD)
self.assertEqual(font.style, FontStyle.ITALIC) self.assertEqual(font.style, FontStyle.ITALIC)
self.assertEqual(font.decoration, TextDecoration.UNDERLINE) self.assertEqual(font.decoration, TextDecoration.UNDERLINE)
self.assertEqual(font.colour, (255, 0, 0))
self.assertEqual(font.background, (255, 255, 0, 255)) self.assertEqual(font.background, (255, 255, 0, 255))
self.assertEqual(font.language, "fr_FR")
def test_font_with_methods(self):
"""Test Font immutable modification methods."""
original_font = Font(
font_size=12,
colour=(0, 0, 0),
weight=FontWeight.NORMAL,
style=FontStyle.NORMAL,
decoration=TextDecoration.NONE
)
# Test with_size
size_font = original_font.with_size(16)
self.assertEqual(size_font.font_size, 16)
self.assertEqual(original_font.font_size, 12) # Original unchanged
self.assertEqual(size_font.colour, (0, 0, 0)) # Other properties preserved
# Test with_colour
color_font = original_font.with_colour((255, 0, 0))
self.assertEqual(color_font.colour, (255, 0, 0))
self.assertEqual(original_font.colour, (0, 0, 0)) # Original unchanged
self.assertEqual(color_font.font_size, 12) # Other properties preserved
# Test with_weight
weight_font = original_font.with_weight(FontWeight.BOLD)
self.assertEqual(weight_font.weight, FontWeight.BOLD)
self.assertEqual(original_font.weight, FontWeight.NORMAL) # Original unchanged
# Test with_style
style_font = original_font.with_style(FontStyle.ITALIC)
self.assertEqual(style_font.style, FontStyle.ITALIC)
self.assertEqual(original_font.style, FontStyle.NORMAL) # Original unchanged
# Test with_decoration
decoration_font = original_font.with_decoration(TextDecoration.UNDERLINE)
self.assertEqual(decoration_font.decoration, TextDecoration.UNDERLINE)
self.assertEqual(original_font.decoration, TextDecoration.NONE) # Original unchanged
def test_font_property_access(self):
"""Test Font property access methods."""
font = Font(
font_size=20,
colour=(128, 128, 128),
weight=FontWeight.BOLD,
style=FontStyle.ITALIC,
decoration=TextDecoration.STRIKETHROUGH
)
# Test all property getters
self.assertEqual(font.font_size, 20)
self.assertEqual(font.colour, (128, 128, 128))
self.assertEqual(font.color, (128, 128, 128)) # Alias
self.assertEqual(font.weight, FontWeight.BOLD)
self.assertEqual(font.style, FontStyle.ITALIC)
self.assertEqual(font.decoration, TextDecoration.STRIKETHROUGH)
# Test that font object is accessible
self.assertIsNotNone(font.font)
def test_font_immutability(self):
"""Test that Font objects behave immutably."""
font1 = Font(font_size=12, colour=(0, 0, 0))
font2 = font1.with_size(16)
font3 = font2.with_colour((255, 0, 0))
# Each should be different objects
self.assertIsNot(font1, font2)
self.assertIsNot(font2, font3)
self.assertIsNot(font1, font3)
# Original properties should be unchanged
self.assertEqual(font1.font_size, 12)
self.assertEqual(font1.colour, (0, 0, 0))
self.assertEqual(font2.font_size, 16)
self.assertEqual(font2.colour, (0, 0, 0))
self.assertEqual(font3.font_size, 16)
self.assertEqual(font3.colour, (255, 0, 0))
def test_background_handling(self):
"""Test background color handling."""
# Test default transparent background
font1 = Font()
self.assertEqual(font1.background, (255, 255, 255, 0))
# Test explicit background
font2 = Font(background=(255, 0, 0, 128))
self.assertEqual(font2.background, (255, 0, 0, 128))
# Test None background becomes transparent
font3 = Font(background=None)
self.assertEqual(font3.background, (255, 255, 255, 0))
if __name__ == '__main__': if __name__ == '__main__':

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@ -1,247 +0,0 @@
"""
Unit tests for HTML text processing.
Tests the HTMLTextProcessor class for text buffering, entity handling, and word creation.
"""
import unittest
from unittest.mock import Mock, MagicMock
from pyWebLayout.io.readers.html_text import HTMLTextProcessor
from pyWebLayout.io.readers.html_style import HTMLStyleManager
from pyWebLayout.abstract.block import Paragraph
from pyWebLayout.abstract.inline import Word
class TestHTMLTextProcessor(unittest.TestCase):
"""Test cases for HTMLTextProcessor."""
def setUp(self):
"""Set up test fixtures."""
self.style_manager = HTMLStyleManager()
self.text_processor = HTMLTextProcessor(self.style_manager)
# Create a mock paragraph
self.mock_paragraph = Mock(spec=Paragraph)
self.mock_paragraph.add_word = Mock()
def test_initialization(self):
"""Test proper initialization of text processor."""
self.assertEqual(self.text_processor._text_buffer, "")
self.assertIsNone(self.text_processor._current_paragraph)
self.assertEqual(self.text_processor._style_manager, self.style_manager)
def test_add_text(self):
"""Test adding text to buffer."""
self.text_processor.add_text("Hello")
self.assertEqual(self.text_processor.get_buffer_content(), "Hello")
self.text_processor.add_text(" World")
self.assertEqual(self.text_processor.get_buffer_content(), "Hello World")
def test_entity_references(self):
"""Test HTML entity reference handling."""
test_cases = [
('lt', '<'),
('gt', '>'),
('amp', '&'),
('quot', '"'),
('apos', "'"),
('nbsp', ' '),
('copy', '©'),
('reg', '®'),
('trade', ''),
('mdash', ''),
('ndash', ''),
('hellip', ''),
('euro', ''),
('unknown', '&unknown;') # Unknown entities should be preserved
]
for entity, expected in test_cases:
with self.subTest(entity=entity):
self.text_processor.clear_buffer()
self.text_processor.add_entity_reference(entity)
self.assertEqual(self.text_processor.get_buffer_content(), expected)
def test_character_references(self):
"""Test character reference handling."""
# Decimal character references
self.text_processor.clear_buffer()
self.text_processor.add_character_reference('65') # 'A'
self.assertEqual(self.text_processor.get_buffer_content(), 'A')
# Hexadecimal character references
self.text_processor.clear_buffer()
self.text_processor.add_character_reference('x41') # 'A'
self.assertEqual(self.text_processor.get_buffer_content(), 'A')
# Unicode character
self.text_processor.clear_buffer()
self.text_processor.add_character_reference('8364') # Euro symbol
self.assertEqual(self.text_processor.get_buffer_content(), '')
# Invalid character reference
self.text_processor.clear_buffer()
self.text_processor.add_character_reference('invalid')
self.assertEqual(self.text_processor.get_buffer_content(), '&#invalid;')
# Out of range character
self.text_processor.clear_buffer()
self.text_processor.add_character_reference('99999999999')
self.assertTrue(self.text_processor.get_buffer_content().startswith('&#'))
def test_buffer_operations(self):
"""Test buffer state operations."""
# Test has_pending_text
self.assertFalse(self.text_processor.has_pending_text())
self.text_processor.add_text("Some text")
self.assertTrue(self.text_processor.has_pending_text())
# Test clear_buffer
self.text_processor.clear_buffer()
self.assertFalse(self.text_processor.has_pending_text())
self.assertEqual(self.text_processor.get_buffer_content(), "")
# Test with whitespace only
self.text_processor.add_text(" \n\t ")
self.assertFalse(self.text_processor.has_pending_text()) # Should ignore whitespace
def test_paragraph_management(self):
"""Test current paragraph setting."""
# Initially no paragraph
self.assertIsNone(self.text_processor._current_paragraph)
# Set paragraph
self.text_processor.set_current_paragraph(self.mock_paragraph)
self.assertEqual(self.text_processor._current_paragraph, self.mock_paragraph)
# Clear paragraph
self.text_processor.set_current_paragraph(None)
self.assertIsNone(self.text_processor._current_paragraph)
def test_flush_text_with_paragraph(self):
"""Test flushing text when paragraph is set."""
self.text_processor.set_current_paragraph(self.mock_paragraph)
self.text_processor.add_text("Hello world test")
# Mock the style manager to return a specific font
mock_font = Mock()
self.style_manager.create_font = Mock(return_value=mock_font)
result = self.text_processor.flush_text()
# Should return True (text was flushed)
self.assertTrue(result)
# Should have created words
self.assertEqual(self.mock_paragraph.add_word.call_count, 3) # "Hello", "world", "test"
# Verify the words were created with correct text
calls = self.mock_paragraph.add_word.call_args_list
word_texts = [call[0][0].text for call in calls]
self.assertEqual(word_texts, ["Hello", "world", "test"])
# Buffer should be empty after flush
self.assertEqual(self.text_processor.get_buffer_content(), "")
def test_flush_text_without_paragraph(self):
"""Test flushing text when no paragraph is set."""
self.text_processor.add_text("Hello world")
result = self.text_processor.flush_text()
# Should return False (no paragraph to flush to)
self.assertFalse(result)
# Buffer should be cleared anyway
self.assertEqual(self.text_processor.get_buffer_content(), "")
def test_flush_empty_buffer(self):
"""Test flushing when buffer is empty."""
self.text_processor.set_current_paragraph(self.mock_paragraph)
result = self.text_processor.flush_text()
# Should return False (nothing to flush)
self.assertFalse(result)
# No words should be added
self.mock_paragraph.add_word.assert_not_called()
def test_flush_whitespace_only(self):
"""Test flushing when buffer contains only whitespace."""
self.text_processor.set_current_paragraph(self.mock_paragraph)
self.text_processor.add_text(" \n\t ")
result = self.text_processor.flush_text()
# Should return False (no meaningful content)
self.assertFalse(result)
# No words should be added
self.mock_paragraph.add_word.assert_not_called()
def test_word_creation_with_styling(self):
"""Test that words are created with proper styling."""
self.text_processor.set_current_paragraph(self.mock_paragraph)
self.text_processor.add_text("styled text")
# Set up style manager to return specific font
mock_font = Mock()
mock_font.font_size = 16
mock_font.weight = "bold"
self.style_manager.create_font = Mock(return_value=mock_font)
self.text_processor.flush_text()
# Verify font was created
self.style_manager.create_font.assert_called()
# Verify words were created with the font
calls = self.mock_paragraph.add_word.call_args_list
for call in calls:
word = call[0][0]
self.assertEqual(word.style, mock_font)
def test_reset(self):
"""Test resetting the text processor."""
# Set up some state
self.text_processor.set_current_paragraph(self.mock_paragraph)
self.text_processor.add_text("Some text")
# Reset
self.text_processor.reset()
# Should be back to initial state
self.assertEqual(self.text_processor._text_buffer, "")
self.assertIsNone(self.text_processor._current_paragraph)
def test_complex_text_processing(self):
"""Test processing text with mixed content."""
self.text_processor.set_current_paragraph(self.mock_paragraph)
# Mock font creation
mock_font = Mock()
self.style_manager.create_font = Mock(return_value=mock_font)
# Add mixed content
self.text_processor.add_text("Hello ")
self.text_processor.add_entity_reference('amp')
self.text_processor.add_text(" world")
self.text_processor.add_character_reference('33') # '!'
# Should have "Hello & world!"
expected_content = "Hello & world!"
self.assertEqual(self.text_processor.get_buffer_content(), expected_content)
# Flush and verify words
self.text_processor.flush_text()
calls = self.mock_paragraph.add_word.call_args_list
word_texts = [call[0][0].text for call in calls]
self.assertEqual(word_texts, ["Hello", "&", "world!"])
if __name__ == '__main__':
unittest.main()