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36 lines
640 B
36 lines
640 B
15 years ago
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#ifndef ATOM_H
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#define ATOM_H
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#define MAX_CONNS_PER_ATOM 8
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class atom {
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public:
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char obj;
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char conn[MAX_CONNS_PER_ATOM + 1];
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bool operator==(const atom& rhs) const { return (rhs.obj == obj && !strcmp(rhs.conn,conn)); }
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bool isEmpty() const { return (obj == 0 || obj == '.'); }
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};
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inline char int2atom(int i) {
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if (!i)
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return '.';
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if (i == 254)
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return '#';
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if (i <= 9)
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return i + '0';
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return i + 'a' - 10;
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}
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inline int atom2int(char ch) {
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if (ch == '.' || ch == 0)
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return 0;
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if (ch == '#')
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return 254;
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if (ch >= '0' && ch <= '9')
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return ch - '0';
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return ch - 'a' + 10;
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}
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#endif
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