65 lines
1.9 KiB
Plaintext
65 lines
1.9 KiB
Plaintext
MODULE NpctBinaryString;
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IMPORT StdLog,Strings;
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PROCEDURE Do*;
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VAR
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str: ARRAY 256 OF CHAR;
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pStr,pAux: POINTER TO ARRAY OF CHAR;
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b: BYTE;
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pIni: INTEGER;
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BEGIN
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(* String creation, on heap *)
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NEW(pStr,256); (* Garbage collectable *)
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NEW(pAux,256);
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(* String assingment *)
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pStr^ := "This is a string on a heap";
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pAux^ := "This is a string on a heap";
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str := "This is other string";
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(* String comparision *)
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StdLog.String("pStr = str:> ");StdLog.Bool(pStr$ = str$);StdLog.Ln;
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StdLog.String("pStr = pAux:> ");StdLog.Bool(pStr$ = pAux$);StdLog.Ln;
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(* String cloning and copying *)
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NEW(pAux,LEN(pStr$) + 1);pAux^ := pStr$;
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(* Check if a string is empty *)
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(* version 1 *)
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pAux^ := "";
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StdLog.String("is empty pAux?(1):> ");StdLog.Bool(pAux$ = "");StdLog.Ln;
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(* version 2 *)
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pAux[0] := 0X;
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StdLog.String("is empty pAux?(2):> ");StdLog.Bool(pAux$ = "");StdLog.Ln;
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(* version 3 *)
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pAux[0] := 0X;
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StdLog.String("is empty pAux?(3):> ");StdLog.Bool(pAux[0] = 0X);StdLog.Ln;
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(* version 4 *)
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pAux^ := "";
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StdLog.String("is empty pAux?(4):> ");StdLog.Bool(pAux[0] = 0X);StdLog.Ln;
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(* Append a byte to a string *)
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NEW(pAux,256);pAux^ := "BBBBBBBBBBBBBBBBBBBBB";
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b := 65;pAux[LEN(pAux$)] := CHR(b);
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StdLog.String("pAux:> ");StdLog.String(pAux);StdLog.Ln;
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(* Extract a substring from a string *)
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Strings.Extract(pStr,0,16,pAux);
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StdLog.String("pAux:> ");StdLog.String(pAux);StdLog.Ln;
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(* Replace a every ocurrence of a string with another string *)
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pAux^ := "a"; (* Pattern *)
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Strings.Find(pStr,pAux,0,pIni);
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WHILE pIni > 0 DO
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Strings.Replace(pStr,pIni,LEN(pAux$),"one");
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Strings.Find(pStr,pAux,pIni + 1,pIni);
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END;
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StdLog.String("pStr:> ");StdLog.String(pStr);StdLog.Ln;
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(* Join strings *)
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pStr^ := "First string";pAux^ := "Second String";
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str := pStr$ + "." + pAux$;
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StdLog.String("pStr + '.' + pAux:>");StdLog.String(str);StdLog.Ln
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END Do;
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END NpctBinaryString.
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