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api: reuse several string variables in cmatch

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shagu
2023-10-03 13:21:42 +02:00
parent ec0d19966f
commit ffdbb63110
1 changed files with 10 additions and 8 deletions
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api/api.lua
+10 -8
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@@ -247,18 +247,20 @@ end
-- 'str' [string] input string that should be matched
-- 'pat' [string] unformatted pattern
-- returns: [strings] matched string in capture order
local a, b, c, d, e
local _, va, vb, vc, vd, ve
local ra, rb, rc, rd, re
function pfUI.api.cmatch(str, pat)
-- read capture indexes
local a,b,c,d,e = GetCaptures(pat)
local _, _, va, vb, vc, vd, ve = string.find(str, pfUI.api.SanitizePattern(pat))
a, b, c, d, e = GetCaptures(pat)
_, _, va, vb, vc, vd, ve = string.find(str, pfUI.api.SanitizePattern(pat))
-- put entries into the proper return values
local ra, rb, rc, rd, re
ra = e == "1" and ve or d == "1" and vd or c == "1" and vc or b == "1" and vb or va
rb = e == "2" and ve or d == "2" and vd or c == "2" and vc or a == "2" and va or vb
rc = e == "3" and ve or d == "3" and vd or a == "3" and va or b == "3" and vb or vc
rd = e == "4" and ve or a == "4" and va or c == "4" and vc or b == "4" and vb or vd
re = a == "5" and va or d == "5" and vd or c == "5" and vc or b == "5" and vb or ve
ra = e == 1 and ve or d == 1 and vd or c == 1 and vc or b == 1 and vb or va
rb = e == 2 and ve or d == 2 and vd or c == 2 and vc or a == 2 and va or vb
rc = e == 3 and ve or d == 3 and vd or a == 3 and va or b == 3 and vb or vc
rd = e == 4 and ve or a == 4 and va or c == 4 and vc or b == 4 and vb or vd
re = a == 5 and va or d == 5 and vd or c == 5 and vc or b == 5 and vb or ve
return ra, rb, rc, rd, re
end