diff options
Diffstat (limited to 'tex/context/base/syst-aux.lua')
-rw-r--r-- | tex/context/base/syst-aux.lua | 33 |
1 files changed, 2 insertions, 31 deletions
diff --git a/tex/context/base/syst-aux.lua b/tex/context/base/syst-aux.lua index cda340cb6..7fd25d6ab 100644 --- a/tex/context/base/syst-aux.lua +++ b/tex/context/base/syst-aux.lua @@ -6,37 +6,19 @@ if not modules then modules = { } end modules ['syst-aux'] = { license = "see context related readme files" } --- slower than lpeg: --- --- utfmatch(str,"(.?)(.*)$") --- utf.sub(str,1,1) - -local commands, context = commands, context - local settings_to_array = utilities.parsers.settings_to_array local concat = table.concat -local format = string.format -local utfsub = utf.sub -local P, C, Carg, lpegmatch, utf8char = lpeg.P, lpeg.C, lpeg.Carg, lpeg.match, lpeg.patterns.utf8char local setvalue = context.setvalue -local pattern = C(utf8char^-1) * C(P(1)^0) - function commands.getfirstcharacter(str) - local first, rest = lpegmatch(pattern,str) + local first, rest = utf.match(str,"(.?)(.*)$") setvalue("firstcharacter",first) setvalue("remainingcharacters",rest) end -local pattern = C(utf8char^-1) - function commands.doiffirstcharelse(chr,str) - commands.doifelse(lpegmatch(pattern,str) == chr) -end - -function commands.getsubstring(str,first,last) - context(utfsub(str,tonumber(first),tonumber(last))) + commands.doifelse(utf.sub(str,1,1) == chr) end -- function commands.addtocommalist(list,item) @@ -68,14 +50,3 @@ end -- end -- end -- end - -local pattern = (C((1-P("%"))^1) * Carg(1)) /function(n,d) return format("%.0fsp",d * tonumber(n)/100) end * P("%") * P(-1) - --- commands.percentageof("10%",65536*10) - -function commands.percentageof(str,dim) - context(lpegmatch(pattern,str,1,dim) or str) -end - --- \gdef\setpercentdimen#1#2% --- {#1=\ctxcommand{percentageof("#2",\number#1)}\relax} |