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#ifndef INC_UTILS_H
#define INC_UTILS_H
#include <libestr.h>
enum cnfobjType {
CNFOBJ_ACTION,
CNFOBJ_GLOBAL,
CNFOBJ_INPUT,
CNFOBJ_MODULE,
CNFOBJ_INVALID = 0
};
static inline char*
cnfobjType2str(enum cnfobjType ot)
{
switch(ot) {
case CNFOBJ_ACTION:
return "action";
break;
case CNFOBJ_GLOBAL:
return "global";
break;
case CNFOBJ_INPUT:
return "input";
break;
case CNFOBJ_MODULE:
return "module";
break;
default:return "error: invalid cnfobjType";
}
}
enum cnfactType { CNFACT_V2, CNFACT_LEGACY };
struct cnfobj {
enum cnfobjType objType;
struct nvlst *nvlst;
};
struct nvlst {
struct nvlst *next;
es_str_t *name;
es_str_t *value;
};
struct cnfcfsyslinelst {
struct cnfcfsyslinelst *next;
char *line;
};
struct cnfactlst {
struct cnfactlst *next;
struct cnfcfsyslinelst *syslines;
enum cnfactType actType;
union {
struct nvlst *lst;
char *legActLine;
} data;
};
/* the following structures support expressions, and may (very much later
* be the sole foundation for the AST.
*/
struct cnfexpr {
unsigned nodetype;
struct cnfexpr *l;
struct cnfexpr *r;
};
struct cnfnumval {
unsigned nodetype;
long long val;
};
struct cnfstringval {
unsigned nodetype;
es_str_t *estr;
};
/* future extensions
struct x {
int nodetype;
};
*/
/* the return value of an expresion evaluation */
struct exprret {
union {
es_str_t *estr;
long long n;
} d;
char datatype; /* 'N' - number, 'S' - string */
};
void readConfFile(FILE *fp, es_str_t **str);
struct nvlst* nvlstNew(es_str_t *name, es_str_t *value);
void nvlstDestruct(struct nvlst *lst);
void nvlstPrint(struct nvlst *lst);
struct cnfobj* cnfobjNew(enum cnfobjType objType, struct nvlst *lst);
void cnfobjDestruct(struct cnfobj *o);
void cnfobjPrint(struct cnfobj *o);
struct cnfactlst* cnfactlstNew(enum cnfactType actType, struct nvlst *lst, char *actLine);
void cnfactlstDestruct(struct cnfactlst *actlst);
void cnfactlstPrint(struct cnfactlst *actlst);
struct cnfactlst* cnfactlstAddSysline(struct cnfactlst* actlst, char *line);
struct cnfactlst* cnfactlstReverse(struct cnfactlst *actlst);
struct cnfexpr* cnfexprNew(unsigned nodetype, struct cnfexpr *l, struct cnfexpr *r);
void cnfexprPrint(struct cnfexpr *expr, int indent);
void cnfexprEval(struct cnfexpr *expr, struct exprret *ret);
struct cnfnumval* cnfnumvalNew(long long val);
struct cnfstringval* cnfstringvalNew(es_str_t *estr);
/* debug helper */
void cstrPrint(char *text, es_str_t *estr);
#endif
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