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163
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1 /* ----------------------------------------------------------------------------
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2 * File : input.h
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3 * Purpose : header file for input.c
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4 * ----------------------------------------------------------------------------
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5 */
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6
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7 #define TOKEN_MAXSIZ 1023 /* maximum size of token */
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8 #define INPUT_BUFSIZ TOKEN_MAXSIZ + 1 /* allow for terminating null */
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9 /*
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10 * #define DELIMITER_BEGIN_LIST '{'
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11 * #define DELIMITER_END_LIST '}'
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167
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12 */
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163
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13
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14 /* Possible token types in file */
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15
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16 enum { TOKEN_LABEL,
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17 /*
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18 * TOKEN_BEGIN_LIST,
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19 * TOKEN_END_LIST,
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20 */
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21 TOKEN_EOF };
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22
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23
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167
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24 typedef enum {
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163
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25 ERR_OPENFAIL,
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26 ERR_EMPTYFILE,
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27 ERR_MEMALLOC,
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28 ERR_NOBEGIN,
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29 ERR_NOEND,
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30 ERR_NOROOT,
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31 ERR_MANYROOT,
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167
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32 ERR_NONE
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163
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33 } ErrCode;
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34
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35 #define NUM_ERRS 7 /* don't count ERR_NONE */
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36
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37
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167
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38 Tree* ReadTreeFromFile(char *fname, ErrCode *error);
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39 void SetNodeLabelAndValue(Tree *node, char *label_and_value);
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40 int SaveTreeToFile(Tree *tree, char *fname);
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