gate_engine.py

class WordGateEngine:
    def __init__(self, index):
        self.index = index
        self.blacklist = {"the", "and", "is", "a"}  # example

    # --- SIGNALS ---
    def is_in_index(self, word):
        return word.lower() in self.index

    def is_blacklisted(self, word):
        return word.lower() in self.blacklist

    def is_long_enough(self, word):
        return len(word) > 2

    def is_high_signal(self, word):
        # simple proxy heuristic
        return word[0].isalpha() and word.lower() not in self.blacklist

    # --- LOGIC GATES ---
    def AND(self, *signals):
        return all(signals)

    def OR(self, *signals):
        return any(signals)

    def NOT(self, signal):
        return not signal

    # --- DECISION CIRCUIT ---
    def allow_word(self, word):
        a = self.is_in_index(word)
        b = self.is_blacklisted(word)
        c = self.is_long_enough(word)
        d = self.is_high_signal(word)

        # CIRCUIT DESIGN
        decision = self.OR(
            self.AND(a, c),
            self.AND(d, self.NOT(b))
        )

        return decision