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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <errno.h>
#include <stdbool.h>
#define COMPARE_OPERATOR_CHARS "!<=>"
#define COMPARE_OPERATOR_WITH_FNMATCH_CHARS COMPARE_OPERATOR_CHARS "$"
typedef enum CompareOperator {
/* Listed in order of checking. Note that some comparators are prefixes of others, hence the longest
* should be listed first. */
/* Simple string compare operators */
_COMPARE_OPERATOR_STRING_FIRST,
COMPARE_STRING_EQUAL = _COMPARE_OPERATOR_STRING_FIRST,
COMPARE_STRING_UNEQUAL,
_COMPARE_OPERATOR_STRING_LAST = COMPARE_STRING_UNEQUAL,
/* fnmatch() compare operators */
_COMPARE_OPERATOR_FNMATCH_FIRST,
COMPARE_FNMATCH_EQUAL = _COMPARE_OPERATOR_FNMATCH_FIRST,
COMPARE_FNMATCH_UNEQUAL,
_COMPARE_OPERATOR_FNMATCH_LAST = COMPARE_FNMATCH_UNEQUAL,
/* Order compare operators */
_COMPARE_OPERATOR_ORDER_FIRST,
COMPARE_LOWER_OR_EQUAL = _COMPARE_OPERATOR_ORDER_FIRST,
COMPARE_GREATER_OR_EQUAL,
COMPARE_LOWER,
COMPARE_GREATER,
COMPARE_EQUAL,
COMPARE_UNEQUAL,
_COMPARE_OPERATOR_ORDER_LAST = COMPARE_UNEQUAL,
_COMPARE_OPERATOR_MAX,
_COMPARE_OPERATOR_INVALID = -EINVAL,
} CompareOperator;
static inline bool COMPARE_OPERATOR_IS_STRING(CompareOperator c) {
return c >= _COMPARE_OPERATOR_STRING_FIRST && c <= _COMPARE_OPERATOR_STRING_LAST;
}
static inline bool COMPARE_OPERATOR_IS_FNMATCH(CompareOperator c) {
return c >= _COMPARE_OPERATOR_FNMATCH_FIRST && c <= _COMPARE_OPERATOR_FNMATCH_LAST;
}
static inline bool COMPARE_OPERATOR_IS_ORDER(CompareOperator c) {
return c >= _COMPARE_OPERATOR_ORDER_FIRST && c <= _COMPARE_OPERATOR_ORDER_LAST;
}
typedef enum CompareOperatorParseFlags {
COMPARE_ALLOW_FNMATCH = 1 << 0,
COMPARE_EQUAL_BY_STRING = 1 << 1,
COMPARE_ALLOW_TEXTUAL = 1 << 2,
} CompareOperatorParseFlags;
CompareOperator parse_compare_operator(const char **s, CompareOperatorParseFlags flags);
int test_order(int k, CompareOperator op);
int version_or_fnmatch_compare(CompareOperator op, const char *a, const char *b);
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