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30fd552a79
This way repeated calls to wcwidth are not required within the inner loops of generating spans.
32 lines
1.5 KiB
Haskell
32 lines
1.5 KiB
Haskell
{-# LANGUAGE NamedFieldPuns #-}
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module Main where
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import Verify.Graphics.Vty.Image
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import Verify
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import Data.Word
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is_horiz_text_of_columns :: Image -> Word -> Bool
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is_horiz_text_of_columns (HorizText { output_width = in_w }) expected_w = in_w == expected_w
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is_horiz_text_of_columns (BGFill { output_width = in_w }) expected_w = in_w == expected_w
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is_horiz_text_of_columns _image _expected_w = False
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verify_horiz_contat_wo_attr_change_simplifies :: SingleRowSingleAttrImage -> Bool
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verify_horiz_contat_wo_attr_change_simplifies (SingleRowSingleAttrImage _attr char_count image) =
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is_horiz_text_of_columns image char_count
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verify_horiz_contat_w_attr_change_simplifies :: SingleRowTwoAttrImage -> Bool
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verify_horiz_contat_w_attr_change_simplifies ( SingleRowTwoAttrImage (SingleRowSingleAttrImage attr0 char_count0 _image0)
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(SingleRowSingleAttrImage attr1 char_count1 _image1)
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i
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)
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| char_count0 == 0 || char_count1 == 0 || attr0 == attr1 = is_horiz_text_of_columns i (char_count0 + char_count1)
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| otherwise = False == is_horiz_text_of_columns i (char_count0 + char_count1)
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main :: IO ()
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main = run_test $ do
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_ <- verify "verify_horiz_contat_wo_attr_change_simplifies" verify_horiz_contat_wo_attr_change_simplifies
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_ <- verify "verify_horiz_contat_w_attr_change_simplifies" verify_horiz_contat_w_attr_change_simplifies
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return ()
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