[Cyan]<PreISL>UnifiedFonts>MakeCodeSchemes.mesa!1

MakeCodeSchemes.mesa

A hack to build character coding scheme files.

Michael Plass, January 17, 1983 1:46 pm.

DIRECTORY IO, FileIO, Rope;

MakeCodeSchemes: CEDAR PROGRAM

IMPORTS IO, FileIO, Rope

= BEGIN

codeScheme: ARRAY CHAR OF CARDINAL;

WriteScheme: PROC [fileName: Rope.ROPE] = TRUSTED {

p: LONG POINTER TO ARRAY CHAR OF CARDINAL ← @codeScheme;

unsafeBlock: IO.UnsafeBlock ← [base: p, startIndex: 0, stopIndexPlusOne: 2*SIZE[ARRAY CHAR OF CARDINAL]];

stream: IO.STREAM ← FileIO.Open[fileName.Concat[".codeScheme"], overwrite];

stream.UnsafePutBlock[unsafeBlock];

stream.Close[];

};

Default: PROC[bc, ec: CHAR] = {

FOR char: CHAR IN CHAR DO codeScheme[char] ← 255 ENDLOOP;

FOR char: CHAR IN [bc..ec] DO codeScheme[char] ← LOOPHOLE[char] ENDLOOP;

};

Code: PROC[octalChar, set, code: [0..256)] = {

codeScheme[LOOPHOLE[octalChar]] ← CARDINAL[set]*256+code;

};

Default[' , '~]; WriteScheme["Ascii"];

Default[' , ' -1]; WriteScheme["Pi"];

Default[' , ' -1]; WriteScheme["Graphic"];

Default[' , '~];

codeScheme['$] ← 244B;

codeScheme['^] ← 255B;

codeScheme['←] ← 254B;

codeScheme['-] ← CARDINAL[41b]*256+75B; -- hyphen

Eight-bit codes

20X

Code[200B, 360b, 63b]; -- A umlaut

Code[201B, 360b, 73b]; -- O umlaut

Code[202B, 360b, 41b]; -- A circle

Code[203B, 360b, 75b]; -- U umlaut

Code[204B, 360b, 243b]; -- C cedilla

Code[205B, 0, 351b]; -- Norw. slashed O

Code[206B, 0, 341b]; -- AE

Code[207B, 0, 352b]; -- OE

21X

Code[210B, 0, 313b]; -- cedilla

Code[211B, 0, 255]; -- underdot

Code[212B, 0, 255]; -- undercomma

Code[213B, 0, 255]; -- some kind of lowered accent

22X

Code[220B, 360b, 360b]; -- ff

Code[221B, 360b, 361b]; -- ffi

Code[222B, 360b, 362b]; -- ffl

Code[223B, 360b, 363b]; -- fi

Code[224B, 360b, 364b]; -- fl

Code[225B, 0, 373b]; -- ess-zed

Code[226B, 0, 366b]; -- ij

Code[227B, 0, 346b]; -- IJ

23X

Code[230B, 0, 40b];

Code[231B, 0, 40b];

Code[232B, 0, 40b];

Code[233B, 377b, 44b]; -- en dash

Code[234B, 377b, 45b]; -- em dash

Code[235B, 0, 55b]; -- minus

Code[236B, 0, 255]; -- some kind of dot

24X

Code[200B, 360b, 62b]; -- a umlaut

Code[201B, 360b, 74b]; -- o umlaut

Code[202B, 360b, 42b]; -- a circle

Code[203B, 360b, 76b]; -- u umlaut

Code[204B, 360b, 244b]; -- c cedilla

Code[205B, 0, 371b]; -- Norw. slashed o

Code[206B, 0, 361b]; -- ae

Code[207B, 0, 372b]; -- oe

WriteScheme["XeroxOIS"];

END.

Template

Eight-bit codes

20X

Code[200B, c];

Code[201B, c];

Code[202B, c];

Code[203B, c];

Code[204B, c];

Code[205B, c];

Code[206B, c];

Code[207B, c];

21X

Code[210B, c];

Code[211B, c];

Code[212B, c];

Code[213B, c];

Code[214B, c];

Code[215B, c];

Code[216B, c];

Code[217B, c];

22X

Code[220B, c];

Code[221B, c];

Code[222B, c];

Code[223B, c];

Code[224B, c];

Code[225B, c];

Code[226B, c];

Code[227B, c];

23X

Code[230B, c];

Code[231B, c];

Code[232B, c];

Code[233B, c];

Code[234B, c];

Code[235B, c];

Code[236B, c];

Code[237B, c];

24X

Code[240B, c];

Code[241B, c];

Code[242B, c];

Code[243B, c];

Code[244B, c];

Code[245B, c];

Code[246B, c];

Code[247B, c];

25X

Code[250B, c];

Code[251B, c];

Code[252B, c];

Code[253B, c];

Code[254B, c];

Code[255B, c];

Code[256B, c];

Code[257B, c];

26X

Code[260B, c];

Code[261B, c];

Code[262B, c];

Code[263B, c];

Code[264B, c];

Code[265B, c];

Code[266B, c];

Code[267B, c];

27X

Code[270B, c];

Code[271B, c];

Code[272B, c];

Code[273B, c];

Code[274B, c];

Code[275B, c];

Code[276B, c];

Code[277B, c];

30X

Code[300B, c];

Code[301B, c];

Code[302B, c];

Code[303B, c];

Code[304B, c];

Code[305B, c];

Code[306B, c];

Code[307B, c];

31X

Code[310B, c];

Code[311B, c];

Code[312B, c];

Code[313B, c];

Code[314B, c];

Code[315B, c];

Code[316B, c];

Code[317B, c];

32X

Code[320B, c];

Code[321B, c];

Code[322B, c];

Code[323B, c];

Code[324B, c];

Code[325B, c];

Code[326B, c];

Code[327B, c];

33X

Code[330B, c];

Code[331B, c];

Code[332B, c];

Code[333B, c];

Code[334B, c];

Code[335B, c];

Code[336B, c];

Code[337B, c];

34X

Code[340B, c];

Code[341B, c];

Code[342B, c];

Code[343B, c];

Code[344B, c];

Code[345B, c];

Code[346B, c];

Code[347B, c];

35X

Code[350B, c];

Code[351B, c];

Code[352B, c];

Code[353B, c];

Code[354B, c];

Code[355B, c];

Code[356B, c];

Code[357B, c];

36X

Code[360B, c];

Code[361B, c];

Code[362B, c];

Code[363B, c];

Code[364B, c];

Code[365B, c];

Code[366B, c];

Code[367B, c];

37X

Code[370B, c];

Code[371B, c];

Code[372B, c];

Code[373B, c];

Code[374B, c];

Code[375B, c];

Code[376B, c];

Code[377B, c];