Method parse_all

web/db.py:1603–1634

(self)

        return self.parse_all()

    def parse_all(self):
        while True:
            dollar = self.text.find("$", self.pos)
            if dollar < 0:
                break
            nextchar = self.text[dollar + 1]
            if nextchar in self.namechars:
                yield _Node("text", self.text[self.pos : dollar])
                self.pos = dollar + 1
                yield self.parse_expr()

            # for supporting ${x.id}, for backward compatibility
            elif nextchar == "{":
                saved_pos = self.pos
                self.pos = dollar + 2  # skip "${"
                expr = self.parse_expr()
                if self.text[self.pos] == "}":
                    self.pos += 1
                    yield _Node("text", self.text[self.pos : dollar])
                    yield expr
                else:
                    self.pos = saved_pos
                    break
            else:
                yield _Node("text", self.text[self.pos : dollar + 1])
                self.pos = dollar + 1
                # $$ is used to escape $
                if nextchar == "$":
                    self.pos += 1

        if self.pos < len(self.text):
            yield _Node("text", self.text[self.pos :])

    def match(self):
        match = tokenprog.match(self.text, self.pos)