diff options
Diffstat (limited to 'tex/context/base/mkiv/util-str.lua')
| -rw-r--r-- | tex/context/base/mkiv/util-str.lua | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/tex/context/base/mkiv/util-str.lua b/tex/context/base/mkiv/util-str.lua index 471b76296..b5c721a41 100644 --- a/tex/context/base/mkiv/util-str.lua +++ b/tex/context/base/mkiv/util-str.lua @@ -16,6 +16,7 @@ local tonumber, type, tostring, next, setmetatable = tonumber, type, tostring, n local unpack, concat = table.unpack, table.concat local P, V, C, S, R, Ct, Cs, Cp, Carg, Cc = lpeg.P, lpeg.V, lpeg.C, lpeg.S, lpeg.R, lpeg.Ct, lpeg.Cs, lpeg.Cp, lpeg.Carg, lpeg.Cc local patterns, lpegmatch = lpeg.patterns, lpeg.match +local tsplitat = lpeg.tsplitat local utfchar, utfbyte, utflen = utf.char, utf.byte, utf.len ----- loadstripped = utilities.lua.loadstripped @@ -1507,7 +1508,7 @@ end if not string.explode then - local tsplitat = lpeg.tsplitat + -- local tsplitat = lpeg.tsplitat local p_utf = patterns.utf8character local p_check = C(p_utf) * (P("+") * Cc(true))^0 @@ -1530,3 +1531,24 @@ if not string.explode then end end + + +do + + local p_whitespace = patterns.whitespace^1 + + local cache = setmetatable({ }, { __index = function(t,k) + local p = tsplitat(p_whitespace * P(k) * p_whitespace) + local v = function(s) + return lpegmatch(p,s) + end + t[k] = v + return v + end }) + + function string.wordsplitter(s) + return cache[s] + end + +end + |