ported numerals to GF3 and encoded in UTF8; some problematic ones in todo

examples/numerals/todo/thaiDU.gf

@@ -0,0 +1,51 @@
+concrete thaiDU of Numerals = {
+-- include numerals.Abs.gf ;
+
+-- Thai digits. AR 28/12/2006
+
+flags lexer=chars ; unlexer=concat ; flags coding=utf8 ;
+
+param Zeros = noz  | zz  ;
+
+lincat Numeral =    { s : Str } ;
+lincat Digit =      { s : Str } ;
+lincat Sub10 =      { s : Str } ;
+lincat Sub100 = {s : Zeros => Str} ;
+lincat Sub1000 = {s : Zeros => Str} ;
+lincat Sub1000000 = {s : Zeros => Str} ;
+
+oper ss : Str -> {s : Str} = \s -> {s = s} ;
+oper mkz : Str -> {s : Zeros => Str} = \s -> {s = table {_ => s}} ;
+
+lin num n = {s = n.s ! noz} ;
+lin n2 = ss "๒" ;
+lin n3 = ss "๓" ;
+lin n4 = ss "๔" ;
+lin n5 = ss "๕" ;
+lin n6 = ss "๖" ;
+lin n7 = ss "๗" ;
+lin n8 = ss "๘" ;
+lin n9 = ss "๙" ;
+
+lin pot01 = ss "๑" ;
+lin pot0 d = d ;
+
+lin pot110 = mkz ("๑" ++ "๐") ;
+lin pot111 = mkz ("๑" ++ "๑") ;
+lin pot1to19 d = mkz ("๑" ++ d.s) ;
+
+lin pot0as1 n = {s = table {noz => n.s ; zz => "๐" ++ n.s}} ;
+
+lin pot1 d = mkz (d.s ++ "๐") ;
+lin pot1plus d e = mkz (d.s ++ e.s) ;
+
+lin pot1as2 n = {s = table {noz => n.s ! noz ; zz => "๐" ++ n.s ! zz}} ;
+lin pot2 d = mkz (d.s ++ "๐" ++ "๐") ;
+lin pot2plus d e = mkz (d.s ++ e.s ! zz) ;
+
+lin pot2as3 n = {s = table {noz => n.s ! noz ; zz => "๐" ++ n.s ! zz}} ;
+
+lin pot3 n = mkz (n.s ! noz ++ "๐" ++ "๐" ++ "๐") ;
+lin pot3plus n m = {s = table {z => n.s ! z ++ m.s ! zz}} ;
+
+}