characterSet

Section: OATH Reference Manual (3O)
Updated: 26 August 1991
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NAME

characterSet (characterSetA, characterSetG) - a set of characters

SYNOPSIS

#include <oath/characterSet.h>

DESCRIPTION

The characterSet is a set of characters. A single character can appear in a characterSet only once. If anything other than a character is inserted into a characterSet, it will fall through.

DERIVATION

characterSet : finiteSet : set : bag : obj

characterSet is an abstract implementation type.

STATIC OPERATIONS

characterSetA characterSetA:: isa (objA): characterSetA::isa(O) returns O if it is truly a characterSet; otherwise it returns Nil.
characterSetA characterSetA:: make (int = FALSE): characterSetA::make() makes and returns an empty characterSet. If the last argument is TRUE, then the new characterSet will be const.
characterSetA characterSetA:: make (stringA, int = FALSE): characterSetA::make(S) makes and returns a characterSet containing each character in string S. If a hyphen ('-') appears between two characters in S, then all characters between and including those two are inserted. If the first character in S is '^', then the result is inverted. If the last argument is TRUE, then the new characterSet will be const.
characterSetA characterSetA:: make (const char*, int = FALSE): characterSetA::make(S) is the same as above, taking a null-terminated string.

MEMBER OPERATIONS

characterSetA characterSetA:: insert (characterA): S.insert(C) inserts character C into characterSet S. Nothing happens if C is already in characterSet S.
characterSetA characterSetA:: operator << (characterA): S << C is the same as S.insert(C).
characterSetA characterSetA:: insert (char): S.insert(C) inserts char C into characterSet S. Nothing happens if C is already in characterSet S.
characterSetA characterSetA:: operator << (char): S << C is the same as S.insert(C).
int characterSetA:: contains (char): S.contains(C) returns TRUE if char C is in characterSet S.
characterSetA characterSetA:: remove (char): S.remove(C) removes C from set S and returns S.
characterSetA characterSetA:: operator -= (char): S -= C is the same as S.remove(C).

INTERNAL OPERATIONS

int characterSetG:: getbit (char) const
void characterSetG:: clearbit (char)
void characterSetG:: setbit (char)
void characterSetG:: setbits (char S, char B)
void characterSetG:: flipbits ()

AUTHOR

Brian M. Kennedy (Computer Science Center, Texas Instruments Incorporated)

BUGS

The characterSetG virtual functions append, isEqual, apply, and applyX are not implemented yet.

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