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#ifndef REPREPRO_TERMS_H
#define REPREPRO_TERMS_H
enum term_comparison { tc_none=0, tc_equal, tc_strictless, tc_strictmore,
tc_lessorequal, tc_moreorequal,
tc_notequal};
typedef struct term_atom {
/* global list to allow freeing them all */
struct term_atom *next;
/* the next atom to look at if this is true, resp. false,
* nextiftrue == NULL means total result is true,
* nextiffalse == NULL means total result is false. */
/*@dependent@*/struct term_atom *nextiftrue,*nextiffalse;
bool_t negated;
/* package-name or key */
char *key;
/* version/value requirement */
enum term_comparison comparison;
char *comparewith;
/* architecture requirements */
bool_t architectures_negated;
struct strlist architectures;
} term;
/* | is allowed in terms */
#define T_OR 0x01
/* () are allowed to build sub-expressions */
#define T_BRACKETS 0x02
/* expressions may be negated */
#define T_NEGATION 0x04
/* (<rel> <version>) is allowed */
#define T_VERSION 0x10
/* [archlist] is allowed */
#define T_ARCHITECTURES 0x20
/* (!= value) is allowed */
#define T_NOTEQUAL 0x40
retvalue term_compile(/*@out@*/term **term, const char *formula, int options);
void term_free(/*@null@*//*@only@*/term *term);
/* decide based on a chunk, (warning: string comparisons even for version!)*/
retvalue term_decidechunk(term *condition,const char *controlchunk);
#endif
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