def reconstructActiveFormattingElements()

in bleach/_vendor/html5lib/treebuilders/base.py [0:0]

• 24 lines of code
• 10 McCabe index (conditional complexity)

    def reconstructActiveFormattingElements(self):
        # Within this algorithm the order of steps described in the
        # specification is not quite the same as the order of steps in the
        # code. It should still do the same though.

        # Step 1: stop the algorithm when there's nothing to do.
        if not self.activeFormattingElements:
            return

        # Step 2 and step 3: we start with the last element. So i is -1.
        i = len(self.activeFormattingElements) - 1
        entry = self.activeFormattingElements[i]
        if entry == Marker or entry in self.openElements:
            return

        # Step 6
        while entry != Marker and entry not in self.openElements:
            if i == 0:
                # This will be reset to 0 below
                i = -1
                break
            i -= 1
            # Step 5: let entry be one earlier in the list.
            entry = self.activeFormattingElements[i]

        while True:
            # Step 7
            i += 1

            # Step 8
            entry = self.activeFormattingElements[i]
            clone = entry.cloneNode()  # Mainly to get a new copy of the attributes

            # Step 9
            element = self.insertElement({"type": "StartTag",
                                          "name": clone.name,
                                          "namespace": clone.namespace,
                                          "data": clone.attributes})

            # Step 10
            self.activeFormattingElements[i] = element

            # Step 11
            if element == self.activeFormattingElements[-1]:
                break