duckling/Duckling/Debug.hs
Chinmay Deshmukh 5ac990bbe2 Return latent entities
Summary: Add an option to return latent time entities. This can be used when one is pretty certain that the input contains a datetime.

Reviewed By: patapizza

Differential Revision: D7254245

fbshipit-source-id: e9e0503cace2691804056fcebdc18fd9090fb181
2018-03-19 14:45:27 -07:00

86 lines
2.7 KiB
Haskell

-- Copyright (c) 2016-present, Facebook, Inc.
-- All rights reserved.
--
-- This source code is licensed under the BSD-style license found in the
-- LICENSE file in the root directory of this source tree. An additional grant
-- of patent rights can be found in the PATENTS file in the same directory.
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE NoRebindableSyntax #-}
{-# LANGUAGE OverloadedStrings #-}
module Duckling.Debug
( allParses
, debug
, debugCustom
, fullParses
, ptree
) where
import Data.Maybe
import Data.Text (Text)
import Prelude
import qualified Data.HashSet as HashSet
import qualified Data.Text as Text
import qualified Data.Text.IO as Text
import Duckling.Api
import Duckling.Dimensions.Types
import Duckling.Engine
import Duckling.Locale
import Duckling.Resolve
import Duckling.Rules
import Duckling.Testing.Types
import Duckling.Types
-- -----------------------------------------------------------------
-- API
debug :: Locale -> Text -> [Some Dimension] -> IO [Entity]
debug locale = debugCustom testContext {locale = locale} testOptions
allParses :: Locale -> Text -> [Some Dimension] -> IO [Entity]
allParses l sentence targets = debugTokens sentence $ parses l sentence targets
fullParses :: Locale -> Text -> [Some Dimension] -> IO [Entity]
fullParses l sentence targets = debugTokens sentence .
filter (\Resolved{range = Range start end} -> start == 0 && end == n) $
parses l sentence targets
where
n = Text.length sentence
ptree :: Text -> Entity -> IO ()
ptree sentence Entity {enode} = pnode sentence 0 enode
-- -----------------------------------------------------------------
-- Internals
parses :: Locale -> Text -> [Some Dimension] -> [ResolvedToken]
parses l sentence targets = flip filter tokens $
\Resolved{node = Node{token = (Token d _)}} ->
case targets of
[] -> True
_ -> elem (This d) targets
where
tokens = parseAndResolve rules sentence testContext {locale = l} testOptions
rules = rulesFor l $ HashSet.fromList targets
debugCustom :: Context -> Options -> Text -> [Some Dimension] -> IO [Entity]
debugCustom context options sentence targets = debugTokens sentence .
analyze sentence context options $ HashSet.fromList targets
debugTokens :: Text -> [ResolvedToken] -> IO [Entity]
debugTokens sentence tokens = do
mapM_ (ptree sentence) entities
return entities
where entities = map (formatToken sentence) tokens
pnode :: Text -> Int -> Node -> IO ()
pnode sentence depth Node {children, rule, nodeRange = Range start end} = do
Text.putStrLn out
mapM_ (pnode sentence (depth + 1)) children
where
out = Text.concat [ Text.replicate depth "-- ", name, " (", body, ")" ]
name = fromMaybe "regex" rule
body = Text.drop start $ Text.take end sentence