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from . import documents, results, html_paths
from .html_generation import HtmlGenerator, satisfy_html_path
def convert_document_element_to_html(element, styles=None):
if styles is None:
styles = []
html_generator = HtmlGenerator()
converter = DocumentConverter(styles)
converter.convert_element_to_html(element, html_generator)
html_generator.end_all()
return results.Result(html_generator.html_string(), converter.messages)
class DocumentConverter(object):
def __init__(self, styles):
self.messages = []
self._styles = styles
self._converters = {
documents.Document: self._convert_document,
documents.Paragraph: self._convert_paragraph,
documents.Run: self._convert_run,
documents.Text: self._convert_text,
}
def convert_element_to_html(self, element, html_generator):
self._converters[type(element)](element, html_generator)
def _convert_document(self, document, html_generator):
self._convert_elements_to_html(document.children, html_generator)
def _convert_paragraph(self, paragraph, html_generator):
html_path = self._find_html_path_for_paragraph(paragraph)
satisfy_html_path(html_generator, html_path)
self._convert_elements_to_html(paragraph.children, html_generator)
def _convert_run(self, run, html_generator):
self._convert_elements_to_html(run.children, html_generator)
def _convert_text(self, text, html_generator):
html_generator.text(text.value)
def _convert_elements_to_html(self, elements, html_generator):
for element in elements:
self.convert_element_to_html(element, html_generator)
def _find_html_path_for_paragraph(self, paragraph):
for style in self._styles:
document_matcher = style.document_matcher
if document_matcher.element_type == "paragraph" and (
document_matcher.style_name is None or
document_matcher.style_name == paragraph.style_name):
return style.html_path
if paragraph.style_name is not None:
self.messages.append(results.warning("Unrecognised paragraph style: {0}".format(paragraph.style_name)))
return html_paths.path([html_paths.element("p")])
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