diff options
Diffstat (limited to 'jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/treewalkers/genshistream.py')
-rw-r--r-- | jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/treewalkers/genshistream.py | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/treewalkers/genshistream.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/treewalkers/genshistream.py new file mode 100644 index 0000000..f559c45 --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/html5lib/treewalkers/genshistream.py @@ -0,0 +1,69 @@ +from __future__ import absolute_import, division, unicode_literals + +from genshi.core import QName +from genshi.core import START, END, XML_NAMESPACE, DOCTYPE, TEXT +from genshi.core import START_NS, END_NS, START_CDATA, END_CDATA, PI, COMMENT + +from . import _base + +from ..constants import voidElements, namespaces + + +class TreeWalker(_base.TreeWalker): + def __iter__(self): + # Buffer the events so we can pass in the following one + previous = None + for event in self.tree: + if previous is not None: + for token in self.tokens(previous, event): + yield token + previous = event + + # Don't forget the final event! + if previous is not None: + for token in self.tokens(previous, None): + yield token + + def tokens(self, event, next): + kind, data, pos = event + if kind == START: + tag, attribs = data + name = tag.localname + namespace = tag.namespace + converted_attribs = {} + for k, v in attribs: + if isinstance(k, QName): + converted_attribs[(k.namespace, k.localname)] = v + else: + converted_attribs[(None, k)] = v + + if namespace == namespaces["html"] and name in voidElements: + for token in self.emptyTag(namespace, name, converted_attribs, + not next or next[0] != END + or next[1] != tag): + yield token + else: + yield self.startTag(namespace, name, converted_attribs) + + elif kind == END: + name = data.localname + namespace = data.namespace + if name not in voidElements: + yield self.endTag(namespace, name) + + elif kind == COMMENT: + yield self.comment(data) + + elif kind == TEXT: + for token in self.text(data): + yield token + + elif kind == DOCTYPE: + yield self.doctype(*data) + + elif kind in (XML_NAMESPACE, DOCTYPE, START_NS, END_NS, + START_CDATA, END_CDATA, PI): + pass + + else: + yield self.unknown(kind) |