43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
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"""Helpers for writing unit tests."""
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from __future__ import print_function, division, absolute_import
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from fontTools.misc.py23 import *
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def parseXML(xmlSnippet):
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"""Parses a snippet of XML.
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The result is in the same format that would be returned by
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XMLReader, but the parser imposes no constraints on the root
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element so it can be called on small snippets of TTX files.
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"""
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# To support snippets with multiple elements, we add a fake root.
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reader = TestXMLReader_()
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reader.parser.Parse("<root>%s</root>" % xmlSnippet, 0)
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return reader.root[2]
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class TestXMLReader_(object):
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def __init__(self):
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from xml.parsers.expat import ParserCreate
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self.parser = ParserCreate()
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self.parser.StartElementHandler = self.startElement_
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self.parser.EndElementHandler = self.endElement_
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self.parser.CharacterDataHandler = self.addCharacterData_
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self.root = None
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self.stack = []
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def startElement_(self, name, attrs):
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element = (name, attrs, [])
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if self.stack:
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self.stack[-1][2].append(element)
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else:
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self.root = element
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self.stack.append(element)
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def endElement_(self, name):
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self.stack.pop()
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def addCharacterData_(self, data):
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self.stack[-1][2].append(data)
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