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INCLUDE "../../../pseudocode-lib/string.cps"
FUNCTION Echo(S : STRING) RETURNS STRING
RETURN S
ENDFUNCTION
DECLARE A : STRING((C_STRING)"hello")
DECLARE B : STRING(A)
B <- (C_STRING)"world"
B <- B
OUTPUT (A & B)
DECLARE Empty : STRING
OUTPUT LENGTH(Empty)
DECLARE Nuls : STRING(3, (C_CHAR)'\0')
OUTPUT LENGTH(Nuls)
DECLARE Long : STRING(20000, (C_CHAR)'x')
DECLARE I : INTEGER
FOR I <- 1 TO 100
Long <- Long & A
NEXT I
OUTPUT LENGTH(Long)
Long <- Echo(Long)
OUTPUT LENGTH(Long)
OUTPUT (NUM_TO_STR(42) & NUM_TO_STR(1.25))
DECLARE Number : STRING((C_STRING)"12.5")
OUTPUT STR_TO_NUM(Number) = 12.5
TRY
Number <- (C_STRING)"12x"
OUTPUT STR_TO_NUM(Number)
CATCH
OUTPUT "conversion caught"
ENDTRY
TRY
DECLARE Invalid : STRING(-1, (C_CHAR)'x')
CATCH
OUTPUT "length caught"
ENDTRY
CALL NUM_TO_STR(99)
CALL Echo(Long)
DECLARE Heap : STRING
Heap <- NEW STRING((C_STRING)"heap")
OUTPUT (Heap)
DELETE Heap
CALL CheckLeft()
CALL CheckRight()
CALL CheckMid()
CALL CheckLCase()
CALL CheckUCase()
CALL CheckAsc()
CALL CheckChr()
CALL CheckIsNum()
PROCEDURE CheckLeft()
DECLARE Letters : STRING((C_STRING)"ABCDEFGH")
DECLARE Empty : STRING
DECLARE Nuls : STRING(3, (C_CHAR)'\0')
DECLARE A : STRING((C_STRING)"hello")
OUTPUT (LEFT(Letters, 3))
OUTPUT LENGTH(LEFT(Empty, 2)), ":", LENGTH(LEFT(Letters, 0)), ":", LENGTH(LEFT(Letters, -1))
OUTPUT (LEFT(Letters, 20))
OUTPUT LENGTH(LEFT(Nuls & A, 4))
ENDPROCEDURE
PROCEDURE CheckRight()
DECLARE Letters : STRING((C_STRING)"ABCDEFGH")
DECLARE Empty : STRING
DECLARE Nuls : STRING(3, (C_CHAR)'\0')
DECLARE A : STRING((C_STRING)"hello")
OUTPUT (RIGHT(Letters, 3))
OUTPUT LENGTH(RIGHT(Empty, 2)), ":", LENGTH(RIGHT(Letters, 0)), ":", LENGTH(RIGHT(Letters, -1))
OUTPUT (RIGHT(Letters, 20))
OUTPUT LENGTH(RIGHT(A & Nuls, 4))
ENDPROCEDURE
PROCEDURE CheckMid()
DECLARE Letters : STRING((C_STRING)"ABCDEFGH")
DECLARE Empty : STRING
DECLARE Nuls : STRING(3, (C_CHAR)'\0')
OUTPUT (MID(Letters, 2, 3))
OUTPUT (MID(Letters, -9223372036854775808, 2))
OUTPUT (MID(Letters, 7, 9223372036854775807))
OUTPUT LENGTH(MID(Empty, 1, 2)), ":", LENGTH(MID(Letters, 9223372036854775807, 2))
OUTPUT LENGTH(MID(Letters, 2, 0)), ":", LENGTH(MID(Letters, 2, -1))
OUTPUT LENGTH(MID(Nuls & Letters, 2, 4))
ENDPROCEDURE
PROCEDURE CheckLCase()
DECLARE Mixed : STRING((C_STRING)"AbC@19")
DECLARE Empty : STRING
DECLARE Nuls : STRING(2, (C_CHAR)'\0')
OUTPUT (LCASE(Mixed))
OUTPUT (Mixed)
DECLARE Lower : CHAR
Lower <- LCASE('W')
OUTPUT Lower, ":", LCASE('w'), ":", LCASE('@')
OUTPUT LENGTH(LCASE(Empty)), ":", LENGTH(LCASE(Nuls & Mixed))
OUTPUT (MID(LCASE(Nuls & Mixed), 3, 3))
ENDPROCEDURE
PROCEDURE CheckUCase()
DECLARE Mixed : STRING((C_STRING)"AbC@19")
DECLARE Empty : STRING
DECLARE Nuls : STRING(2, (C_CHAR)'\0')
OUTPUT (UCASE(Mixed))
OUTPUT (Mixed)
DECLARE Upper : CHAR
Upper <- UCASE('h')
OUTPUT Upper, ":", UCASE('H'), ":", UCASE('@')
OUTPUT LENGTH(UCASE(Empty)), ":", LENGTH(UCASE(Nuls & Mixed))
OUTPUT (MID(UCASE(Nuls & Mixed), 3, 3))
ENDPROCEDURE
PROCEDURE CheckAsc()
DECLARE Letters : STRING((C_STRING)"ABCDEFGH")
DECLARE Empty : STRING
DECLARE Nuls : STRING(2, (C_CHAR)'\0')
DECLARE High : STRING(1, (C_CHAR)255)
OUTPUT ASC('A'), ":", ASC(Letters)
OUTPUT ASC(Empty), ":", ASC(Nuls), ":", ASC('\0')
OUTPUT ASC(High)
ENDPROCEDURE
PROCEDURE CheckChr()
OUTPUT (CHR(65) & CHR(90))
OUTPUT ASC(CHR(ASC('A')))
OUTPUT LENGTH(CHR(0)), ":", ASC(CHR(0))
OUTPUT ASC(CHR(321)), ":", ASC(CHR(-1))
ENDPROCEDURE
PROCEDURE CheckIsNum()
DECLARE Number : STRING((C_STRING)"12.5")
DECLARE Junk : STRING((C_STRING)"12x")
DECLARE Empty : STRING
DECLARE Leading : STRING((C_STRING)" 12.5")
DECLARE Trailing : STRING((C_STRING)"12.5 ")
DECLARE Whitespace : STRING((C_STRING)" ")
OUTPUT IS_NUM(Number), ":", IS_NUM(Junk), ":", IS_NUM(Empty)
OUTPUT IS_NUM(Leading), ":", IS_NUM(Trailing), ":", IS_NUM(Whitespace)
OUTPUT IS_NUM(Number & CHR(0)), ":", IS_NUM(CHR(0) & Number)
ENDPROCEDURE
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