def build_html(tree, writable):
for node in tree:
if isinstance(node, ParagraphNode):
writable.write("<p>")
elif isinstance(node, TextNode):
writable.write(node.value)
elif isinstance(node, LiteralNode):
writable.write(node.value)
elif isinstance(node, CommentNode):
writable.write(node.value)
elif isinstance(node, InlineTagNode):
writable.write(node.value)
elif isinstance(node, BlockTagNode):
writable.write(node.value)
elif isinstance(node, SelfClosingTagNode):
tag = extract_tag_name(node.value)
if tag == 'br':
writable.write("<br>\n")
else:
writable.write(node.value)
build_html(node, writable)
if isinstance(node, ParagraphNode):
writable.write("</p>\n")
elif isinstance(node, InlineTagNode):
tag = extract_tag_name(node.value)
writable.write("</%s>" % tag)
elif isinstance(node, BlockTagNode):
tag = extract_tag_name(node.value)
writable.write("</%s>\n" % tag)
def build_html(parse_tree, writable):
for node in parse_tree:
traverse_children = True
if isinstance(node, ParagraphNode):
writable.write("<p>")
elif isinstance(node, TextNode):
writable.write(node.value)
elif isinstance(node, InlineTagNode) or \
isinstance(node, BlockTagNode):
tag = extract_tag_name(node.value)
handle_tag_node(node, tag, writable)
traverse_children = should_traverse_children(tag)
elif isinstance(node, SelfClosingTagNode):
tag = extract_tag_name(node.value)
if tag == 'br':
writable.write("<br>\n")
if traverse_children:
build_html(node, writable)
if isinstance(node, ParagraphNode):
writable.write("</p>\n")
elif isinstance(node, InlineTagNode):
tag = extract_tag_name(node.value)
writable.write("</%s>" % tag)
elif isinstance(node, BlockTagNode):
tag = extract_tag_name(node.value)
writable.write("</%s>\n" % tag)
def gblock(token_stream):
block = BlockTagNode(token_stream.value)
tag_name = extract_tag_name(block.value)
while True:
if accept_token(token_stream, Token.Tag.Close): #assume correctly nested and closed tags
skip_token(token_stream)
return block
elif accept_token(token_stream, Token.Par):
skip_token(token_stream)
elif accept_token(token_stream, Token.Br):
if tag_name in RESPECT_BR:
block.append(SelfClosingTagNode('<br>'))
skip_token(token_stream)
elif accept_token(token_stream, Token.Literal):
block.append(LiteralNode(token_stream.value))
elif accept_token(token_stream, Token.Comment):
block.append(CommentNode(token_stream.value))
elif accept_token(token_stream, Token.Text):
block.append(block_try_p(tag_name, token_stream, TextNode))
elif accept_token(token_stream, Token.Tag.SelfClosingTag):
block.append(block_try_p(tag_name, token_stream, SelfClosingTagNode))
elif accept_token(token_stream, Token.Tag.InlineTag):
block.append(block_try_p(tag_name, token_stream, InlineTagNode, ginline_tag))
elif accept_token(token_stream, Token.Tag.BlockTag):
nested_block = gblock(token_stream)
block.append(nested_block)
else:
return block
def build_plain_text(tree, writable):
for node in tree:
if isinstance(node, TextNode):
writable.write(node.value)
elif isinstance(node, ParagraphNode):
writable.write(' ')
elif isinstance(node, SelfClosingTagNode):
tag = extract_tag_name(node.value)
if tag == 'br':
writable.write(' ')
build_plain_text(node, writable)
def empty_pred(node):
if isinstance(node, TextNode):
return empty_text(node.value)
elif isinstance(node, SelfClosingTagNode):
return extract_tag_name(node.value) == 'br'
return False
