23#define CONCAT_1(a, b) a##b
24#define CONCAT(a, b) CONCAT_1(a, b)
29#define CONCAT3(a, b, c) CONCAT(a, CONCAT(b, c))
32#if !(defined(UINT_T) && defined(UINT_C) && defined(UINT_FMT_S) && defined(DECORATE_NAME))
33#ifdef __INTELLISENSE__
34#define UINT_T uint32_t
35#define UINT_C UINT32_C
36#define UINT_FMT_S PRIu32
37#define DECORATE_NAME(Name) Name##_u32
39#error All of UINT_T, UINT_C, UINT_FMT_S, UINT_FMT_ARG, and DECORATE_NAME must be defined before #including this file
43#define BITS (sizeof(UINT_T) * CHAR_BIT)
49#define UINT_FMT_ARG(X) X
54#define UINT_LESSTHAN(A, B) ((A) < (B))
58#define MC_UINT_MAX ~(UINT_C(0))
63#define UINT_ADD(A, B) ((A) + (B))
66#define UINT_SUB(A, B) ((A) - (B))
71static inline UINT_T
DECORATE_NAME(_mc_default_lshift)(UINT_T lhs,
int off) {
79#define UINT_LSHIFT DECORATE_NAME(_mc_default_lshift)
83#define UINT_BITOR(A, B) ((A) | (B))
86static inline int DECORATE_NAME(_mc_compare)(UINT_T lhs, UINT_T rhs) {
87 if (UINT_LESSTHAN(lhs, rhs)) {
89 }
else if (UINT_LESSTHAN(rhs, lhs)) {
96#define UINT_COMPARE DECORATE_NAME(_mc_compare)
114 BSON_ASSERT_PARAM(status);
116 if (UINT_COMPARE(rangeMin, rangeMax) > 0) {
117 CLIENT_ERR(
"Range min (%" UINT_FMT_S
") must be less than or equal to range max (%" UINT_FMT_S
118 ") for range search",
119 UINT_FMT_ARG(rangeMin),
120 UINT_FMT_ARG(rangeMax));
123 if (UINT_COMPARE(rangeMax, max) > 0) {
124 CLIENT_ERR(
"Range max (%" UINT_FMT_S
") must be less than or equal to max (%" UINT_FMT_S
") for range search",
125 UINT_FMT_ARG(rangeMax),
131 CLIENT_ERR(
"Sparsity must be > 0");
135 mcg->_rangeMin = rangeMin;
136 mcg->_rangeMax = rangeMax;
137 mcg->_maxlen = (size_t)BITS -
DECORATE_NAME(mc_count_leading_zeros)(max);
138 mcg->_sparsity = sparsity;
148static inline UINT_T
DECORATE_NAME(applyMask)(UINT_T value,
size_t maskedBits) {
149 const UINT_T ones = MC_UINT_MAX;
151 BSON_ASSERT(maskedBits <= (
size_t)BITS);
152 BSON_ASSERT(maskedBits >= 0);
154 if (maskedBits == 0) {
158 const size_t shift = ((size_t)BITS - maskedBits);
159 const UINT_T mask = UINT_LSHIFT(ones, -(
int)shift);
160 return UINT_BITOR(value, mask);
165 BSON_ASSERT_PARAM(mcg);
166 size_t level = mcg->_maxlen - maskedBits;
167 return 0 == maskedBits || 0 == (level % mcg->_sparsity);
172 BSON_ASSERT_PARAM(mcg);
173 BSON_ASSERT(maskedBits <= mcg->_maxlen);
174 BSON_ASSERT(maskedBits <= (
size_t)BITS);
175 BSON_ASSERT(maskedBits >= 0);
177 if (maskedBits == mcg->_maxlen) {
178 return bson_strdup(
"root");
181 UINT_T shifted = UINT_LSHIFT(start, -(
int)maskedBits);
182 mc_bitstring valueBin =
DECORATE_NAME(mc_convert_to_bitstring)(shifted);
183 char *ret = bson_strndup(valueBin.str + ((
size_t)BITS - mcg->_maxlen + maskedBits), mcg->_maxlen + maskedBits);
191 BSON_ASSERT_PARAM(mcg);
192 BSON_ASSERT_PARAM(c);
193 const UINT_T blockEnd =
DECORATE_NAME(applyMask)(blockStart, maskedBits);
195 if (UINT_COMPARE(blockEnd, mcg->_rangeMin) < 0 || UINT_COMPARE(blockStart, mcg->_rangeMax) > 0) {
199 if (UINT_COMPARE(blockStart, mcg->_rangeMin) >= 0 && UINT_COMPARE(blockEnd, mcg->_rangeMax) <= 0
200 &&
DECORATE_NAME(MinCoverGenerator_isLevelStored)(mcg, maskedBits)) {
201 char *edge =
DECORATE_NAME(MinCoverGenerator_toString)(mcg, blockStart, maskedBits);
202 _mc_array_append_val(c, edge);
206 BSON_ASSERT(maskedBits > 0);
208 const size_t newBits = maskedBits - 1u;
209 DECORATE_NAME(MinCoverGenerator_minCoverRec)(mcg, c, blockStart, newBits);
211 (mcg, c, UINT_BITOR(blockStart, UINT_LSHIFT(UINT_C(1), (
int)newBits)), newBits);
215 BSON_ASSERT_PARAM(mcg);
216 mc_mincover_t *mc = mc_mincover_new();
218 (mcg, &mc->mincover, ZERO, mcg->_maxlen);
227 bool includeLowerBound,
230 bool includeUpperBound,
233 BSON_ASSERT_PARAM(lowerBound);
234 BSON_ASSERT_PARAM(upperBound);
236 if (!includeLowerBound) {
237 if (UINT_COMPARE(*lowerBound, max) >= 0) {
238 CLIENT_ERR(
"Lower bound (%" UINT_FMT_S
") must be less than the range maximum (%" UINT_FMT_S
239 ") if lower bound is excluded from range.",
240 UINT_FMT_ARG(*lowerBound),
244 *lowerBound = UINT_ADD(*lowerBound, UINT_C(1));
246 if (!includeUpperBound) {
247 if (UINT_COMPARE(*upperBound, min) <= 0) {
248 CLIENT_ERR(
"Upper bound (%" UINT_FMT_S
") must be greater than the range minimum (%" UINT_FMT_S
249 ") if upper bound is excluded from range.",
250 UINT_FMT_ARG(*upperBound),
254 *upperBound = UINT_SUB(*upperBound, UINT_C(1));
struct _mongocrypt_status_t mongocrypt_status_t
Definition: mongocrypt.h:135
Definition: mc-range-mincover-generator.template.h:100