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tiennm99
6f30d13b2d
Serve the BotFather game noitu from the bot's HTTP server under /games/noitu when GAME_BASE_URL is set. /noitu sends the game, Play answers with a signed, expiring link, and the server validates every word against the embedded noitu dictionary (CC BY-SA 4.0), runs the bot opponent and turn timer, and reports the score with setGameScore. Modules can now register game-short-name callbacks and HTTP routes.
47 lines
1.8 KiB
Go
47 lines
1.8 KiB
Go
// Package dict is the nối từ word list: the embedded Wiktionary-derived
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// corpus, the normalization player input goes through, the spelling variants
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// a lookup accepts, and the word graph the engine and the bot opponent walk.
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//
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// Ported from tiennm99/noitu: Normalize from server/internal/vietnamese,
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// the variant generator from server/cmd/build-dictionary/aliases.go, and the
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// store from server/internal/dictionary (minus SQLite — the corpus is parsed
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// into maps once, in memory).
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package dict
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import (
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"errors"
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"strings"
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"golang.org/x/text/unicode/norm"
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)
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// MinSyllables is the shortest word the game accepts. Nối từ is played with
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// compound words; a single syllable is not a valid move.
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const MinSyllables = 2
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// ErrEmpty is returned when input contains no usable characters.
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var ErrEmpty = errors.New("dict: empty input")
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// Normalize canonicalizes raw player or corpus input and splits it into
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// syllables: NFC composition (so a base letter plus combining marks equals the
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// precomposed form), lowercase, and whitespace collapsed to single spaces.
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// Tone marks are kept exactly as typed; alternative tone placements are
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// handled by Store.Resolve, not here.
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func Normalize(raw string) (string, []string, error) {
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composed := norm.NFC.String(raw)
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// Composed again after lowering: case-folding can enable a composition that
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// only exists for the lowercase form, so the lowered string may no longer
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// be NFC.
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lowered := norm.NFC.String(strings.ToLower(composed))
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syllables := strings.Fields(lowered)
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if len(syllables) == 0 {
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return "", nil, ErrEmpty
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}
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return strings.Join(syllables, " "), syllables, nil
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}
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// HasEnoughSyllables reports whether a word is long enough to be a legal move.
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func HasEnoughSyllables(syllables []string) bool {
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return len(syllables) >= MinSyllables
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}
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