Method replace

pythonx/UltiSnips/text_objects/transformation.py:81–116

Replaces 'match' through the correct replacement string.

(self, match)

        self._expression = expression

    def replace(self, match):
        """Replaces 'match' through the correct replacement string."""
        transformed = self._expression
        # Replace all $? with capture groups
        transformed = _DOLLAR.subn(lambda m: match.group(int(m.group(1))), transformed)[
            0
        ]

        # Shelter escaped backslashes (\\) so they are not consumed by
        # case-switch regexes (\l, \u, \U, \L) or whitespace escapes
        # (\n, \t, ...).  Restored before the final unescape() which
        # turns \\ into a literal \.  GH #998, GH #1495.
        _ESCAPED_BSLASH = "\x00"
        transformed = transformed.replace("\\\\", _ESCAPED_BSLASH)

        # Replace Case switches
        def _one_char_case_change(match):
            """Replaces one character case changes."""
            if match.group(1)[0] == "u":
                return match.group(1)[-1].upper()
            return match.group(1)[-1].lower()

        transformed = _ONE_CHAR_CASE_SWITCH.subn(_one_char_case_change, transformed)[0]

        def _multi_char_case_change(match):
            """Replaces multi character case changes."""
            if match.group(1)[0] == "U":
                return match.group(1)[1:].upper()
            return match.group(1)[1:].lower()

        transformed = _LONG_CASEFOLDINGS.subn(_multi_char_case_change, transformed)[0]
        transformed = _replace_conditional(match, transformed)

        transformed = fill_in_whitespace(transformed)
        transformed = transformed.replace(_ESCAPED_BSLASH, "\\\\")
        return unescape(transformed)


# flag used to display only one time the lack of unidecode