| | """ |
| | Legacy module - don't use in new code! |
| | |
| | html5lib now has its own proper implementation. |
| | |
| | This module implements a tree builder for html5lib that generates lxml |
| | html element trees. This module uses camelCase as it follows the |
| | html5lib style guide. |
| | """ |
| |
|
| | from html5lib.treebuilders import _base, etree as etree_builders |
| | from lxml import html, etree |
| |
|
| |
|
| | class DocumentType: |
| |
|
| | def __init__(self, name, publicId, systemId): |
| | self.name = name |
| | self.publicId = publicId |
| | self.systemId = systemId |
| |
|
| | class Document: |
| |
|
| | def __init__(self): |
| | self._elementTree = None |
| | self.childNodes = [] |
| |
|
| | def appendChild(self, element): |
| | self._elementTree.getroot().addnext(element._element) |
| |
|
| |
|
| | class TreeBuilder(_base.TreeBuilder): |
| | documentClass = Document |
| | doctypeClass = DocumentType |
| | elementClass = None |
| | commentClass = None |
| | fragmentClass = Document |
| |
|
| | def __init__(self, *args, **kwargs): |
| | html_builder = etree_builders.getETreeModule(html, fullTree=False) |
| | etree_builder = etree_builders.getETreeModule(etree, fullTree=False) |
| | self.elementClass = html_builder.Element |
| | self.commentClass = etree_builder.Comment |
| | _base.TreeBuilder.__init__(self, *args, **kwargs) |
| |
|
| | def reset(self): |
| | _base.TreeBuilder.reset(self) |
| | self.rootInserted = False |
| | self.initialComments = [] |
| | self.doctype = None |
| |
|
| | def getDocument(self): |
| | return self.document._elementTree |
| |
|
| | def getFragment(self): |
| | fragment = [] |
| | element = self.openElements[0]._element |
| | if element.text: |
| | fragment.append(element.text) |
| | fragment.extend(element.getchildren()) |
| | if element.tail: |
| | fragment.append(element.tail) |
| | return fragment |
| |
|
| | def insertDoctype(self, name, publicId, systemId): |
| | doctype = self.doctypeClass(name, publicId, systemId) |
| | self.doctype = doctype |
| |
|
| | def insertComment(self, data, parent=None): |
| | if not self.rootInserted: |
| | self.initialComments.append(data) |
| | else: |
| | _base.TreeBuilder.insertComment(self, data, parent) |
| |
|
| | def insertRoot(self, name): |
| | buf = [] |
| | if self.doctype and self.doctype.name: |
| | buf.append('<!DOCTYPE %s' % self.doctype.name) |
| | if self.doctype.publicId is not None or self.doctype.systemId is not None: |
| | buf.append(' PUBLIC "%s" "%s"' % (self.doctype.publicId, |
| | self.doctype.systemId)) |
| | buf.append('>') |
| | buf.append('<html></html>') |
| | root = html.fromstring(''.join(buf)) |
| |
|
| | |
| | for comment in self.initialComments: |
| | root.addprevious(etree.Comment(comment)) |
| |
|
| | |
| | self.document = self.documentClass() |
| | self.document._elementTree = root.getroottree() |
| |
|
| | |
| | root_element = self.elementClass(name) |
| | root_element._element = root |
| | self.document.childNodes.append(root_element) |
| | self.openElements.append(root_element) |
| |
|
| | self.rootInserted = True |
| |
|
