def get_sheet(self):
if self.tag != 'style':
raise TypeError('Cannot get CSS rules of non <style> element.')
if self.sheet_cache_hash != hash(self.content[0]):
self.sheet_cache = css.parse(self.content[0])
self.sheet_cache_hash = hash(self.content[0])
return self.sheet_cache
def load_external_stylesheet(node):
if node.attr('rel') == 'stylesheet':
type = node.attr('type')
href = node.attr('href')
if type and type != 'text/css':
errors.append(
Unknown_Stylesheet_Type_Error(
node=node,
description="Unknown stylesheet type",
data=type))
elif href:
loc = current_location.get().make_location(href)
add_stylesheet(css.parse(loc), loc)
def render_to_image(html_source, css_source, height, width, renderer): tree = html.parse(html_source) rules = css.parse(css_source) styled_tree = style.style(tree, rules) layout_tree = [layout.build_layout_tree(node) for node in styled_tree if layout.get_display(node) is not layout.Display.NONE] root = layout.Dimensions.default() root.content.width = width for node in layout_tree: node.layout(root) renderer = painting.Renderer(width, height, renderer) image = renderer.render(layout_tree) return image
<span></span>
</section>
<span></span>
</div>
'''
css_text = '''
body {bg-color:white;}
div {bg-color:yellow;padding:5;border:1;}
section {padding:10;bg-color:cyan;height:20;border:1;}
span {display:inline;height:20;border:1;}
header {margin:10;color:black;height:30;border:1;}
'''
dom_tree = dom.parse(html_text)
css_tree = css.parse(css_text)
style_tree = style.get_style_tree(dom_tree, css_tree)
layout_tree = layout.build_layout_tree(style_tree)
window = layout.Rect()
window.width = 200
window.height = 0
layout_tree.layout_box(window)
print("LAYOUT TREE")
layout_tree.print_node()
dl = draw.get_draw_list(layout_tree)
import string
import domrenderer
import css
import fs
auto_closing_tags = ('area', 'base', 'br', 'col', 'command', 'embed', 'hr',
'img', 'input', 'keygen', 'link', 'meta', 'nextid',
'param', 'source', 'track', 'wbr')
mastercss = css.parse(fs.read('rs/master.css'))
def parse(html):
''' Parses html into an Element '''
html += ' ' * 8 # So range checker on look-ahead isn't required
cel = Element(None, '$document') # Current ELement
i = 0
while i < len(html) - 8:
if cel.tag == 'plaintext':
cel.write(html[i:])
i = len(html)
elif html[
i] not in '<&>' + string.whitespace: # or cel.tag in ('style', 'script'):
s = ''