diff options
Diffstat (limited to 'scripts/context/lua/mtxrun.lua')
| -rw-r--r-- | scripts/context/lua/mtxrun.lua | 60 |
1 files changed, 22 insertions, 38 deletions
diff --git a/scripts/context/lua/mtxrun.lua b/scripts/context/lua/mtxrun.lua index e6bbbe2b5..b3170f7b2 100644 --- a/scripts/context/lua/mtxrun.lua +++ b/scripts/context/lua/mtxrun.lua @@ -171,7 +171,7 @@ string.itself = function(s) return s end -- also handy (see utf variant) -local pattern = Ct(C(1)^0) +local pattern = Ct(C(1)^0) -- string and not utf ! function string.totable(str) return lpegmatch(pattern,str) @@ -330,6 +330,16 @@ local function sortedhashkeys(tab) -- fast one end end +function table.allkeys(t) + local keys = { } + for i=1,#t do + for k, v in next, t[i] do + keys[k] = true + end + end + return sortedkeys(keys) +end + table.sortedkeys = sortedkeys table.sortedhashkeys = sortedhashkeys @@ -1581,15 +1591,10 @@ end function lpeg.replacer(one,two) if type(one) == "table" then local no = #one - local p + local p = P(false) if no == 0 then for k, v in next, one do - local pp = P(k) / v - if p then - p = p + pp - else - p = pp - end + p = p + P(k) / v end return Cs((p + 1)^0) elseif no == 1 then @@ -1599,12 +1604,7 @@ function lpeg.replacer(one,two) else for i=1,no do local o = one[i] - local pp = P(o[1]) / o[2] - if p then - p = p + pp - else - p = pp - end + p = p + P(o[1]) / o[2] end return Cs((p + 1)^0) end @@ -1721,13 +1721,9 @@ lpeg.UP = lpeg.P if utfcharacters then function lpeg.US(str) - local p + local p = P(false) for uc in utfcharacters(str) do - if p then - p = p + P(uc) - else - p = P(uc) - end + p = p + P(uc) end return p end @@ -1736,13 +1732,9 @@ if utfcharacters then elseif utfgmatch then function lpeg.US(str) - local p + local p = P(false) for uc in utfgmatch(str,".") do - if p then - p = p + P(uc) - else - p = P(uc) - end + p = p + P(uc) end return p end @@ -1750,13 +1742,9 @@ elseif utfgmatch then else function lpeg.US(str) - local p + local p = P(false) local f = function(uc) - if p then - p = p + P(uc) - else - p = P(uc) - end + p = p + P(uc) end lpegmatch((utf8char/f)^0,str) return p @@ -1782,13 +1770,9 @@ function lpeg.UR(str,more) if first == last then return P(str) elseif utfchar and last - first < 8 then -- a somewhat arbitrary criterium - local p + local p = P(false) for i=first,last do - if p then - p = p + P(utfchar(i)) - else - p = P(utfchar(i)) - end + p = p + P(utfchar(i)) end return p -- nil when invalid range else |