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-rw-r--r--Master/texmf-dist/tex/luatex/lualibs/lualibs-util-str.lua117
1 files changed, 115 insertions, 2 deletions
diff --git a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-str.lua b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-str.lua
index 13e1e092241..af8b1651e9a 100644
--- a/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-str.lua
+++ b/Master/texmf-dist/tex/luatex/lualibs/lualibs-util-str.lua
@@ -264,6 +264,33 @@ function number.signed(i)
end
end
+local zero = P("0")^1 / ""
+local plus = P("+") / ""
+local minus = P("-")
+local separator = S(".")
+local digit = R("09")
+local trailing = zero^1 * #S("eE")
+local exponent = (S("eE") * (plus + Cs((minus * zero^0 * P(-1))/"") + minus) * zero^0 * (P(-1) * Cc("0") + P(1)^1))
+local pattern_a = Cs(minus^0 * digit^1 * (separator/"" * trailing + separator * (trailing + digit)^0) * exponent)
+local pattern_b = Cs((exponent + P(1))^0)
+
+function number.sparseexponent(f,n)
+ if not n then
+ n = f
+ f = "%e"
+ end
+ local tn = type(n)
+ if tn == "string" then -- cast to number
+ local m = tonumber(n)
+ if m then
+ return lpegmatch((f == "%e" or f == "%E") and pattern_a or pattern_b,format(f,m))
+ end
+ elseif tn == "number" then
+ return lpegmatch((f == "%e" or f == "%E") and pattern_a or pattern_b,format(f,n))
+ end
+ return tostring(n)
+end
+
local preamble = [[
local type = type
local tostring = tostring
@@ -281,6 +308,8 @@ local tracedchar = string.tracedchar
local autosingle = string.autosingle
local autodouble = string.autodouble
local sequenced = table.sequenced
+local formattednumber = number.formatted
+local sparseexponent = number.sparseexponent
]]
local template = [[
@@ -375,6 +404,16 @@ local format_E = function(f)
return format("format('%%%sE',a%s)",f,n)
end
+local format_j = function(f)
+ n = n + 1
+ return format("sparseexponent('%%%se',a%s)",f,n)
+end
+
+local format_J = function(f)
+ n = n + 1
+ return format("sparseexponent('%%%sE',a%s)",f,n)
+end
+
local format_x = function(f)
n = n + 1
return format("format('%%%sx',a%s)",f,n)
@@ -520,6 +559,68 @@ 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_z = function(f)
+ n = n + (tonumber(f) or 1)
+ return "''" -- okay, not that efficient to append '' but a special case anyway
+end
+
+--
+
local format_rest = function(s)
return format("%q",s) -- catches " and \n and such
end
@@ -546,6 +647,8 @@ local format_extension = function(extensions,f,name)
end
end
+-- aA b cC d eE f gG hH iI jJ lL mM N o p qQ r sS tT uU wW xX z
+
local builder = Cs { "start",
start = (
(
@@ -569,11 +672,13 @@ local builder = Cs { "start",
+ V("t") + V("T")
+ V("l") + V("L")
+ V("I")
- + V("h") -- new
+ V("w") -- new
+ V("W") -- new
+ V("a") -- new
+ V("A") -- new
+ + V("j") + V("J") -- stripped e E
+ + V("m") + V("M") -- new
+ + V("z") -- new
--
+ V("*") -- ignores probably messed up %
)
@@ -617,6 +722,14 @@ 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
--
+ ["j"] = (prefix_any * P("j")) / format_j, -- %j => %e (float) stripped exponent (irrational)
+ ["J"] = (prefix_any * P("J")) / format_J, -- %J => %E (float) stripped exponent (irrational)
+ --
+ ["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 ,)
+ --
+ ["z"] = (prefix_any * P("z")) / format_z, -- %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 +760,7 @@ 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