diff options
Diffstat (limited to 'lualibs-util-str.lua')
| -rw-r--r-- | lualibs-util-str.lua | 62 |
1 files changed, 61 insertions, 1 deletions
diff --git a/lualibs-util-str.lua b/lualibs-util-str.lua index 13e1e09..295fc00 100644 --- a/lualibs-util-str.lua +++ b/lualibs-util-str.lua @@ -281,6 +281,7 @@ local tracedchar = string.tracedchar local autosingle = string.autosingle local autodouble = string.autodouble local sequenced = table.sequenced +local formattednumber = number.formatted ]] local template = [[ @@ -520,6 +521,61 @@ local format_W = function(f) -- handy when doing depth related indent return format("nspaces[%s]",tonumber(f) or 0) end +-- maybe to util-num + +local digit = patterns.digit +local period = patterns.period +local three = digit * digit * digit + +local splitter = Cs ( + (((1 - (three^1 * period))^1 + C(three)) * (Carg(1) * three)^1 + C((1-period)^1)) + * (P(1)/"" * Carg(2)) * C(2) +) + +patterns.formattednumber = splitter + +function number.formatted(n,sep1,sep2) + local s = type(s) == "string" and n or format("%0.2f",n) + if sep1 == true then + return lpegmatch(splitter,s,1,".",",") + elseif sep1 == "." then + return lpegmatch(splitter,s,1,sep1,sep2 or ",") + elseif sep1 == "," then + return lpegmatch(splitter,s,1,sep1,sep2 or ".") + else + return lpegmatch(splitter,s,1,sep1 or ",",sep2 or ".") + end +end + +-- print(number.formatted(1)) +-- print(number.formatted(12)) +-- print(number.formatted(123)) +-- print(number.formatted(1234)) +-- print(number.formatted(12345)) +-- print(number.formatted(123456)) +-- print(number.formatted(1234567)) +-- print(number.formatted(12345678)) +-- print(number.formatted(12345678,true)) +-- print(number.formatted(1234.56,"!","?")) + +local format_m = function(f) + n = n + 1 + if not f or f == "" then + f = "," + end + return format([[formattednumber(a%s,%q,".")]],n,f) +end + +local format_M = function(f) + n = n + 1 + if not f or f == "" then + f = "." + end + return format([[formattednumber(a%s,%q,",")]],n,f) +end + +-- + local format_rest = function(s) return format("%q",s) -- catches " and \n and such end @@ -574,6 +630,7 @@ local builder = Cs { "start", + V("W") -- new + V("a") -- new + V("A") -- new + + V("m") + V("M") -- new -- + V("*") -- ignores probably messed up % ) @@ -617,6 +674,9 @@ local builder = Cs { "start", ["w"] = (prefix_any * P("w")) / format_w, -- %w => n spaces (optional prefix is added) ["W"] = (prefix_any * P("W")) / format_W, -- %W => mandate prefix, no specifier -- + ["m"] = (prefix_tab * P("m")) / format_m, -- %m => xxx.xxx.xxx,xx (optional prefix instead of .) + ["M"] = (prefix_tab * P("M")) / format_M, -- %M => xxx,xxx,xxx.xx (optional prefix instead of ,) + -- ["a"] = (prefix_any * P("a")) / format_a, -- %a => '...' (forces tostring) ["A"] = (prefix_any * P("A")) / format_A, -- %A => "..." (forces tostring) -- @@ -647,7 +707,7 @@ local function make(t,str) p = lpegmatch(builder,str,1,"..",t._extensions_) -- after this we know n if n > 0 then p = format(template,preamble,t._preamble_,arguments[n],p) --- print("builder>",p) +-- print("builder>",p) f = loadstripped(p)() else f = function() return str end |