diff options
| -rw-r--r-- | luaotfload-merged.lua | 50 |
1 files changed, 46 insertions, 4 deletions
diff --git a/luaotfload-merged.lua b/luaotfload-merged.lua index 41ed20f..3e89856 100644 --- a/luaotfload-merged.lua +++ b/luaotfload-merged.lua @@ -1,6 +1,6 @@ -- merged file : luatex-fonts-merged.lua -- parent file : luatex-fonts.lua --- merge date : 11/01/13 12:20:30 +-- merge date : 11/04/13 11:52:02 do -- begin closure to overcome local limits and interference @@ -2613,6 +2613,31 @@ function number.signed(i) return "-",-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 + 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 @@ -2631,6 +2656,7 @@ local autosingle = string.autosingle local autodouble = string.autodouble local sequenced = table.sequenced local formattednumber = number.formatted +local sparseexponent = number.sparseexponent ]] local template=[[ %s @@ -2703,6 +2729,14 @@ local format_E=function(f) n=n+1 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) @@ -2860,6 +2894,10 @@ local format_M=function(f) end return format([[formattednumber(a%s,%q,",")]],n,f) end +local format_z=function(f) + n=n+(tonumber(f) or 1) + return "''" +end local format_rest=function(s) return format("%q",s) end @@ -2893,12 +2931,13 @@ local builder=Cs { "start", +V("c")+V("C")+V("S") +V("Q") +V("N") -+V("r")+V("h")+V("H")+V("u")+V("U")+V("p")+V("b")+V("t")+V("T")+V("l")+V("L")+V("I")+V("h") -+V("w") ++V("r")+V("h")+V("H")+V("u")+V("U")+V("p")+V("b")+V("t")+V("T")+V("l")+V("L")+V("I")+V("w") +V("W") +V("a") +V("A") -+V("m")+V("M") ++V("j")+V("J") ++V("m")+V("M") ++V("z") +V("*") )+V("*") )*(P(-1)+Carg(1)) @@ -2934,8 +2973,11 @@ local builder=Cs { "start", ["I"]=(prefix_any*P("I"))/format_I, ["w"]=(prefix_any*P("w"))/format_w, ["W"]=(prefix_any*P("W"))/format_W, + ["j"]=(prefix_any*P("j"))/format_j, + ["J"]=(prefix_any*P("J"))/format_J, ["m"]=(prefix_tab*P("m"))/format_m, ["M"]=(prefix_tab*P("M"))/format_M, + ["z"]=(prefix_any*P("z"))/format_z, ["a"]=(prefix_any*P("a"))/format_a, ["A"]=(prefix_any*P("A"))/format_A, ["*"]=Cs(((1-P("%"))^1+P("%%")/"%%")^1)/format_rest, |