File: input.h

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xemacs21-packages 2009.02.17.dfsg.1-1
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/* ----------------------------------------------------------------------------
 * File    : input.h
 * Purpose : header file for input.c
 * ----------------------------------------------------------------------------
 */

#define TOKEN_MAXSIZ          1023             /* maximum size of token      */
#define INPUT_BUFSIZ          TOKEN_MAXSIZ + 1 /* allow for terminating null */
/*
 *  #define DELIMITER_BEGIN_LIST '{'
 *  #define DELIMITER_END_LIST   '}'
 */

/* Possible token types in file */

enum { TOKEN_LABEL,
/*
 *     TOKEN_BEGIN_LIST,
 *     TOKEN_END_LIST,
 */
       TOKEN_EOF };


typedef enum {
   ERR_OPENFAIL,
   ERR_EMPTYFILE,
   ERR_MEMALLOC,
   ERR_NOBEGIN,
   ERR_NOEND,
   ERR_NOROOT,
   ERR_MANYROOT,
   ERR_NONE
} ErrCode;

#define NUM_ERRS             7	/* don't count ERR_NONE */


Tree*	ReadTreeFromFile(char *fname, ErrCode *error);
void	SetNodeLabelAndValue(Tree *node, char *label_and_value);
int	SaveTreeToFile(Tree *tree, char *fname);