/* Copyright (c) 1993 by Sanjay Ghemawat */

#include <ctype.h>
#include "smallintset.h"
#include "arrays.h"
#include "lexer.h"
#include "misc.h"

unsigned int SmallIntSet::Size() const {
    unsigned int size = 0;

    for (int i = 0; i <= SISetLargestMember; i++)
	if (Member(i)) size++;
    return size;
}
int SmallIntSet::Read(Lexer* lex) {
    Clear();
    while (1) {
	char c;

	lex->SkipWS();
	if (! lex->Peek(c)) return 0;
	if (!isdigit(c)) return 1;

	int num;
	if (! lex->GetNumber(num)) return 0;
	if ((num < 0) || (num > SISetLargestMember)) {
	    lex->SetError("illegal smallintset member");
	    return 0;
	}
	Insert(num);
    }
}

void SmallIntSet::Write(charArray* out) const {
    for (int i = 0; i <= SISetLargestMember; i++) {
	if (Member(i)) {
	    format(out, " %d", i);
	}
    }
}