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-rw-r--r--girepository/cmph/cmph.c845
1 files changed, 845 insertions, 0 deletions
diff --git a/girepository/cmph/cmph.c b/girepository/cmph/cmph.c
new file mode 100644
index 00000000..cba735f4
--- /dev/null
+++ b/girepository/cmph/cmph.c
@@ -0,0 +1,845 @@
+#include "cmph.h"
+#include "cmph_structs.h"
+#include "chm.h"
+#include "bmz.h"
+#include "bmz8.h"
+#include "brz.h"
+#include "fch.h"
+#include "bdz.h"
+#include "bdz_ph.h"
+#include "chd_ph.h"
+#include "chd.h"
+
+#include <stdlib.h>
+#include <assert.h>
+#include <string.h>
+//#define DEBUG
+#include "debug.h"
+
+const char *cmph_names[] = {"bmz", "bmz8", "chm", "brz", "fch", "bdz", "bdz_ph", "chd_ph", "chd", NULL };
+
+typedef struct
+{
+ void *vector;
+ cmph_uint32 position; // access position when data is a vector
+} cmph_vector_t;
+
+
+
+/**
+ * Support a vector of struct as the source of keys.
+ *
+ * E.g. The keys could be the fieldB's in a vector of struct rec where
+ * struct rec is defined as:
+ * struct rec {
+ * fieldA;
+ * fieldB;
+ * fieldC;
+ * }
+ */
+typedef struct
+{
+ void *vector; /* Pointer to the vector of struct */
+ cmph_uint32 position; /* current position */
+ cmph_uint32 struct_size; /* The size of the struct */
+ cmph_uint32 key_offset; /* The byte offset of the key in the struct */
+ cmph_uint32 key_len; /* The length of the key */
+} cmph_struct_vector_t;
+
+
+static cmph_io_adapter_t *cmph_io_vector_new(void * vector, cmph_uint32 nkeys);
+static void cmph_io_vector_destroy(cmph_io_adapter_t * key_source);
+
+static cmph_io_adapter_t *cmph_io_struct_vector_new(void * vector, cmph_uint32 struct_size, cmph_uint32 key_offset, cmph_uint32 key_len, cmph_uint32 nkeys);
+static void cmph_io_struct_vector_destroy(cmph_io_adapter_t * key_source);
+
+static int key_nlfile_read(void *data, char **key, cmph_uint32 *keylen)
+{
+ FILE *fd = (FILE *)data;
+ *key = NULL;
+ *keylen = 0;
+ while(1)
+ {
+ char buf[BUFSIZ];
+ char *c = fgets(buf, BUFSIZ, fd);
+ if (c == NULL) return -1;
+ if (feof(fd)) return -1;
+ *key = (char *)realloc(*key, *keylen + strlen(buf) + 1);
+ memcpy(*key + *keylen, buf, strlen(buf));
+ *keylen += (cmph_uint32)strlen(buf);
+ if (buf[strlen(buf) - 1] != '\n') continue;
+ break;
+ }
+ if ((*keylen) && (*key)[*keylen - 1] == '\n')
+ {
+ (*key)[(*keylen) - 1] = 0;
+ --(*keylen);
+ }
+ return (int)(*keylen);
+}
+
+static int key_byte_vector_read(void *data, char **key, cmph_uint32 *keylen)
+{
+ cmph_vector_t *cmph_vector = (cmph_vector_t *)data;
+ cmph_uint8 **keys_vd = (cmph_uint8 **)cmph_vector->vector;
+ size_t size;
+ memcpy(keylen, keys_vd[cmph_vector->position], sizeof(*keylen));
+ size = *keylen;
+ *key = (char *)malloc(size);
+ memcpy(*key, keys_vd[cmph_vector->position] + sizeof(*keylen), size);
+ cmph_vector->position = cmph_vector->position + 1;
+ return (int)(*keylen);
+
+}
+
+static int key_struct_vector_read(void *data, char **key, cmph_uint32 *keylen)
+{
+ cmph_struct_vector_t *cmph_struct_vector = (cmph_struct_vector_t *)data;
+ char *keys_vd = (char *)cmph_struct_vector->vector;
+ size_t size;
+ *keylen = cmph_struct_vector->key_len;
+ size = *keylen;
+ *key = (char *)malloc(size);
+ memcpy(*key, (keys_vd + (cmph_struct_vector->position * cmph_struct_vector->struct_size) + cmph_struct_vector->key_offset), size);
+ cmph_struct_vector->position = cmph_struct_vector->position + 1;
+ return (int)(*keylen);
+}
+
+static int key_vector_read(void *data, char **key, cmph_uint32 *keylen)
+{
+ cmph_vector_t *cmph_vector = (cmph_vector_t *)data;
+ char **keys_vd = (char **)cmph_vector->vector;
+ size_t size;
+ *keylen = (cmph_uint32)strlen(keys_vd[cmph_vector->position]);
+ size = *keylen;
+ *key = (char *)malloc(size + 1);
+ strcpy(*key, keys_vd[cmph_vector->position]);
+ cmph_vector->position = cmph_vector->position + 1;
+ return (int)(*keylen);
+
+}
+
+
+static void key_nlfile_dispose(void *data, char *key, cmph_uint32 keylen)
+{
+ free(key);
+}
+
+static void key_vector_dispose(void *data, char *key, cmph_uint32 keylen)
+{
+ free(key);
+}
+
+static void key_nlfile_rewind(void *data)
+{
+ FILE *fd = (FILE *)data;
+ rewind(fd);
+}
+
+static void key_struct_vector_rewind(void *data)
+{
+ cmph_struct_vector_t *cmph_struct_vector = (cmph_struct_vector_t *)data;
+ cmph_struct_vector->position = 0;
+}
+
+static void key_vector_rewind(void *data)
+{
+ cmph_vector_t *cmph_vector = (cmph_vector_t *)data;
+ cmph_vector->position = 0;
+}
+
+static cmph_uint32 count_nlfile_keys(FILE *fd)
+{
+ cmph_uint32 count = 0;
+ register char * ptr;
+ rewind(fd);
+ while(1)
+ {
+ char buf[BUFSIZ];
+ ptr = fgets(buf, BUFSIZ, fd);
+ if (feof(fd)) break;
+ if (buf[strlen(buf) - 1] != '\n') continue;
+ ++count;
+ }
+ rewind(fd);
+ return count;
+}
+
+cmph_io_adapter_t *cmph_io_nlfile_adapter(FILE * keys_fd)
+{
+ cmph_io_adapter_t * key_source = (cmph_io_adapter_t *)malloc(sizeof(cmph_io_adapter_t));
+ assert(key_source);
+ key_source->data = (void *)keys_fd;
+ key_source->nkeys = count_nlfile_keys(keys_fd);
+ key_source->read = key_nlfile_read;
+ key_source->dispose = key_nlfile_dispose;
+ key_source->rewind = key_nlfile_rewind;
+ return key_source;
+}
+
+void cmph_io_nlfile_adapter_destroy(cmph_io_adapter_t * key_source)
+{
+ free(key_source);
+}
+
+cmph_io_adapter_t *cmph_io_nlnkfile_adapter(FILE * keys_fd, cmph_uint32 nkeys)
+{
+ cmph_io_adapter_t * key_source = (cmph_io_adapter_t *)malloc(sizeof(cmph_io_adapter_t));
+ assert(key_source);
+ key_source->data = (void *)keys_fd;
+ key_source->nkeys = nkeys;
+ key_source->read = key_nlfile_read;
+ key_source->dispose = key_nlfile_dispose;
+ key_source->rewind = key_nlfile_rewind;
+ return key_source;
+}
+
+void cmph_io_nlnkfile_adapter_destroy(cmph_io_adapter_t * key_source)
+{
+ free(key_source);
+}
+
+
+static cmph_io_adapter_t *cmph_io_struct_vector_new(void * vector, cmph_uint32 struct_size, cmph_uint32 key_offset, cmph_uint32 key_len, cmph_uint32 nkeys)
+{
+ cmph_io_adapter_t * key_source = (cmph_io_adapter_t *)malloc(sizeof(cmph_io_adapter_t));
+ cmph_struct_vector_t * cmph_struct_vector = (cmph_struct_vector_t *)malloc(sizeof(cmph_struct_vector_t));
+ assert(key_source);
+ assert(cmph_struct_vector);
+ cmph_struct_vector->vector = vector;
+ cmph_struct_vector->position = 0;
+ cmph_struct_vector->struct_size = struct_size;
+ cmph_struct_vector->key_offset = key_offset;
+ cmph_struct_vector->key_len = key_len;
+ key_source->data = (void *)cmph_struct_vector;
+ key_source->nkeys = nkeys;
+ return key_source;
+}
+
+static void cmph_io_struct_vector_destroy(cmph_io_adapter_t * key_source)
+{
+ cmph_struct_vector_t *cmph_struct_vector = (cmph_struct_vector_t *)key_source->data;
+ cmph_struct_vector->vector = NULL;
+ free(cmph_struct_vector);
+ free(key_source);
+}
+
+static cmph_io_adapter_t *cmph_io_vector_new(void * vector, cmph_uint32 nkeys)
+{
+ cmph_io_adapter_t * key_source = (cmph_io_adapter_t *)malloc(sizeof(cmph_io_adapter_t));
+ cmph_vector_t * cmph_vector = (cmph_vector_t *)malloc(sizeof(cmph_vector_t));
+ assert(key_source);
+ assert(cmph_vector);
+ cmph_vector->vector = vector;
+ cmph_vector->position = 0;
+ key_source->data = (void *)cmph_vector;
+ key_source->nkeys = nkeys;
+ return key_source;
+}
+
+static void cmph_io_vector_destroy(cmph_io_adapter_t * key_source)
+{
+ cmph_vector_t *cmph_vector = (cmph_vector_t *)key_source->data;
+ cmph_vector->vector = NULL;
+ free(cmph_vector);
+ free(key_source);
+}
+
+cmph_io_adapter_t *cmph_io_byte_vector_adapter(cmph_uint8 ** vector, cmph_uint32 nkeys)
+{
+ cmph_io_adapter_t * key_source = cmph_io_vector_new(vector, nkeys);
+ key_source->read = key_byte_vector_read;
+ key_source->dispose = key_vector_dispose;
+ key_source->rewind = key_vector_rewind;
+ return key_source;
+}
+void cmph_io_byte_vector_adapter_destroy(cmph_io_adapter_t * key_source)
+{
+ cmph_io_vector_destroy(key_source);
+}
+
+cmph_io_adapter_t *cmph_io_struct_vector_adapter(void * vector, cmph_uint32 struct_size, cmph_uint32 key_offset, cmph_uint32 key_len, cmph_uint32 nkeys)
+{
+ cmph_io_adapter_t * key_source = cmph_io_struct_vector_new(vector, struct_size, key_offset, key_len, nkeys);
+ key_source->read = key_struct_vector_read;
+ key_source->dispose = key_vector_dispose;
+ key_source->rewind = key_struct_vector_rewind;
+ return key_source;
+}
+
+void cmph_io_struct_vector_adapter_destroy(cmph_io_adapter_t * key_source)
+{
+ cmph_io_struct_vector_destroy(key_source);
+}
+
+cmph_io_adapter_t *cmph_io_vector_adapter(char ** vector, cmph_uint32 nkeys)
+{
+ cmph_io_adapter_t * key_source = cmph_io_vector_new(vector, nkeys);
+ key_source->read = key_vector_read;
+ key_source->dispose = key_vector_dispose;
+ key_source->rewind = key_vector_rewind;
+ return key_source;
+}
+
+void cmph_io_vector_adapter_destroy(cmph_io_adapter_t * key_source)
+{
+ cmph_io_vector_destroy(key_source);
+}
+
+cmph_config_t *cmph_config_new(cmph_io_adapter_t *key_source)
+{
+ cmph_config_t *mph = NULL;
+ mph = __config_new(key_source);
+ assert(mph);
+ mph->algo = CMPH_CHM; // default value
+ mph->data = chm_config_new();
+ return mph;
+}
+
+void cmph_config_set_algo(cmph_config_t *mph, CMPH_ALGO algo)
+{
+ if (algo != mph->algo)
+ {
+ switch (mph->algo)
+ {
+ case CMPH_CHM:
+ chm_config_destroy(mph);
+ break;
+ case CMPH_BMZ:
+ bmz_config_destroy(mph);
+ break;
+ case CMPH_BMZ8:
+ bmz8_config_destroy(mph);
+ break;
+ case CMPH_BRZ:
+ brz_config_destroy(mph);
+ break;
+ case CMPH_FCH:
+ fch_config_destroy(mph);
+ break;
+ case CMPH_BDZ:
+ bdz_config_destroy(mph);
+ break;
+ case CMPH_BDZ_PH:
+ bdz_ph_config_destroy(mph);
+ break;
+ case CMPH_CHD_PH:
+ chd_ph_config_destroy(mph);
+ break;
+ case CMPH_CHD:
+ chd_config_destroy(mph);
+ break;
+ default:
+ assert(0);
+ }
+ switch(algo)
+ {
+ case CMPH_CHM:
+ mph->data = chm_config_new();
+ break;
+ case CMPH_BMZ:
+ mph->data = bmz_config_new();
+ break;
+ case CMPH_BMZ8:
+ mph->data = bmz8_config_new();
+ break;
+ case CMPH_BRZ:
+ mph->data = brz_config_new();
+ break;
+ case CMPH_FCH:
+ mph->data = fch_config_new();
+ break;
+ case CMPH_BDZ:
+ mph->data = bdz_config_new();
+ break;
+ case CMPH_BDZ_PH:
+ mph->data = bdz_ph_config_new();
+ break;
+ case CMPH_CHD_PH:
+ mph->data = chd_ph_config_new();
+ break;
+ case CMPH_CHD:
+ mph->data = chd_config_new(mph);
+ break;
+ default:
+ assert(0);
+ }
+ }
+ mph->algo = algo;
+}
+
+void cmph_config_set_tmp_dir(cmph_config_t *mph, cmph_uint8 *tmp_dir)
+{
+ if (mph->algo == CMPH_BRZ)
+ {
+ brz_config_set_tmp_dir(mph, tmp_dir);
+ }
+}
+
+
+void cmph_config_set_mphf_fd(cmph_config_t *mph, FILE *mphf_fd)
+{
+ if (mph->algo == CMPH_BRZ)
+ {
+ brz_config_set_mphf_fd(mph, mphf_fd);
+ }
+}
+
+void cmph_config_set_b(cmph_config_t *mph, cmph_uint32 b)
+{
+ if (mph->algo == CMPH_BRZ)
+ {
+ brz_config_set_b(mph, b);
+ }
+ else if (mph->algo == CMPH_BDZ)
+ {
+ bdz_config_set_b(mph, b);
+ }
+ else if (mph->algo == CMPH_CHD_PH)
+ {
+ chd_ph_config_set_b(mph, b);
+ }
+ else if (mph->algo == CMPH_CHD)
+ {
+ chd_config_set_b(mph, b);
+ }
+}
+
+void cmph_config_set_keys_per_bin(cmph_config_t *mph, cmph_uint32 keys_per_bin)
+{
+ if (mph->algo == CMPH_CHD_PH)
+ {
+ chd_ph_config_set_keys_per_bin(mph, keys_per_bin);
+ }
+ else if (mph->algo == CMPH_CHD)
+ {
+ chd_config_set_keys_per_bin(mph, keys_per_bin);
+ }
+}
+
+void cmph_config_set_memory_availability(cmph_config_t *mph, cmph_uint32 memory_availability)
+{
+ if (mph->algo == CMPH_BRZ)
+ {
+ brz_config_set_memory_availability(mph, memory_availability);
+ }
+}
+
+void cmph_config_destroy(cmph_config_t *mph)
+{
+ if(mph)
+ {
+ DEBUGP("Destroying mph with algo %s\n", cmph_names[mph->algo]);
+ switch (mph->algo)
+ {
+ case CMPH_CHM:
+ chm_config_destroy(mph);
+ break;
+ case CMPH_BMZ: /* included -- Fabiano */
+ bmz_config_destroy(mph);
+ break;
+ case CMPH_BMZ8: /* included -- Fabiano */
+ bmz8_config_destroy(mph);
+ break;
+ case CMPH_BRZ: /* included -- Fabiano */
+ brz_config_destroy(mph);
+ break;
+ case CMPH_FCH: /* included -- Fabiano */
+ fch_config_destroy(mph);
+ break;
+ case CMPH_BDZ: /* included -- Fabiano */
+ bdz_config_destroy(mph);
+ break;
+ case CMPH_BDZ_PH: /* included -- Fabiano */
+ bdz_ph_config_destroy(mph);
+ break;
+ case CMPH_CHD_PH: /* included -- Fabiano */
+ chd_ph_config_destroy(mph);
+ break;
+ case CMPH_CHD: /* included -- Fabiano */
+ chd_config_destroy(mph);
+ break;
+ default:
+ assert(0);
+ }
+ __config_destroy(mph);
+ }
+}
+
+void cmph_config_set_verbosity(cmph_config_t *mph, cmph_uint32 verbosity)
+{
+ mph->verbosity = verbosity;
+}
+
+void cmph_config_set_hashfuncs(cmph_config_t *mph, CMPH_HASH *hashfuncs)
+{
+ switch (mph->algo)
+ {
+ case CMPH_CHM:
+ chm_config_set_hashfuncs(mph, hashfuncs);
+ break;
+ case CMPH_BMZ: /* included -- Fabiano */
+ bmz_config_set_hashfuncs(mph, hashfuncs);
+ break;
+ case CMPH_BMZ8: /* included -- Fabiano */
+ bmz8_config_set_hashfuncs(mph, hashfuncs);
+ break;
+ case CMPH_BRZ: /* included -- Fabiano */
+ brz_config_set_hashfuncs(mph, hashfuncs);
+ break;
+ case CMPH_FCH: /* included -- Fabiano */
+ fch_config_set_hashfuncs(mph, hashfuncs);
+ break;
+ case CMPH_BDZ: /* included -- Fabiano */
+ bdz_config_set_hashfuncs(mph, hashfuncs);
+ break;
+ case CMPH_BDZ_PH: /* included -- Fabiano */
+ bdz_ph_config_set_hashfuncs(mph, hashfuncs);
+ break;
+ case CMPH_CHD_PH: /* included -- Fabiano */
+ chd_ph_config_set_hashfuncs(mph, hashfuncs);
+ break;
+ case CMPH_CHD: /* included -- Fabiano */
+ chd_config_set_hashfuncs(mph, hashfuncs);
+ break;
+ default:
+ break;
+ }
+ return;
+}
+void cmph_config_set_graphsize(cmph_config_t *mph, double c)
+{
+ mph->c = c;
+ return;
+}
+
+cmph_t *cmph_new(cmph_config_t *mph)
+{
+ cmph_t *mphf = NULL;
+ double c = mph->c;
+
+ DEBUGP("Creating mph with algorithm %s\n", cmph_names[mph->algo]);
+ switch (mph->algo)
+ {
+ case CMPH_CHM:
+ DEBUGP("Creating chm hash\n");
+ mphf = chm_new(mph, c);
+ break;
+ case CMPH_BMZ: /* included -- Fabiano */
+ DEBUGP("Creating bmz hash\n");
+ mphf = bmz_new(mph, c);
+ break;
+ case CMPH_BMZ8: /* included -- Fabiano */
+ DEBUGP("Creating bmz8 hash\n");
+ mphf = bmz8_new(mph, c);
+ break;
+ case CMPH_BRZ: /* included -- Fabiano */
+ DEBUGP("Creating brz hash\n");
+ if (c >= 2.0) brz_config_set_algo(mph, CMPH_FCH);
+ else brz_config_set_algo(mph, CMPH_BMZ8);
+ mphf = brz_new(mph, c);
+ break;
+ case CMPH_FCH: /* included -- Fabiano */
+ DEBUGP("Creating fch hash\n");
+ mphf = fch_new(mph, c);
+ break;
+ case CMPH_BDZ: /* included -- Fabiano */
+ DEBUGP("Creating bdz hash\n");
+ mphf = bdz_new(mph, c);
+ break;
+ case CMPH_BDZ_PH: /* included -- Fabiano */
+ DEBUGP("Creating bdz_ph hash\n");
+ mphf = bdz_ph_new(mph, c);
+ break;
+ case CMPH_CHD_PH: /* included -- Fabiano */
+ DEBUGP("Creating chd_ph hash\n");
+ mphf = chd_ph_new(mph, c);
+ break;
+ case CMPH_CHD: /* included -- Fabiano */
+ DEBUGP("Creating chd hash\n");
+ mphf = chd_new(mph, c);
+ break;
+ default:
+ assert(0);
+ }
+ return mphf;
+}
+
+int cmph_dump(cmph_t *mphf, FILE *f)
+{
+ switch (mphf->algo)
+ {
+ case CMPH_CHM:
+ return chm_dump(mphf, f);
+ case CMPH_BMZ: /* included -- Fabiano */
+ return bmz_dump(mphf, f);
+ case CMPH_BMZ8: /* included -- Fabiano */
+ return bmz8_dump(mphf, f);
+ case CMPH_BRZ: /* included -- Fabiano */
+ return brz_dump(mphf, f);
+ case CMPH_FCH: /* included -- Fabiano */
+ return fch_dump(mphf, f);
+ case CMPH_BDZ: /* included -- Fabiano */
+ return bdz_dump(mphf, f);
+ case CMPH_BDZ_PH: /* included -- Fabiano */
+ return bdz_ph_dump(mphf, f);
+ case CMPH_CHD_PH: /* included -- Fabiano */
+ return chd_ph_dump(mphf, f);
+ case CMPH_CHD: /* included -- Fabiano */
+ return chd_dump(mphf, f);
+ default:
+ assert(0);
+ }
+ assert(0);
+ return 0;
+}
+cmph_t *cmph_load(FILE *f)
+{
+ cmph_t *mphf = NULL;
+ DEBUGP("Loading mphf generic parts\n");
+ mphf = __cmph_load(f);
+ if (mphf == NULL) return NULL;
+ DEBUGP("Loading mphf algorithm dependent parts\n");
+
+ switch (mphf->algo)
+ {
+ case CMPH_CHM:
+ chm_load(f, mphf);
+ break;
+ case CMPH_BMZ: /* included -- Fabiano */
+ DEBUGP("Loading bmz algorithm dependent parts\n");
+ bmz_load(f, mphf);
+ break;
+ case CMPH_BMZ8: /* included -- Fabiano */
+ DEBUGP("Loading bmz8 algorithm dependent parts\n");
+ bmz8_load(f, mphf);
+ break;
+ case CMPH_BRZ: /* included -- Fabiano */
+ DEBUGP("Loading brz algorithm dependent parts\n");
+ brz_load(f, mphf);
+ break;
+ case CMPH_FCH: /* included -- Fabiano */
+ DEBUGP("Loading fch algorithm dependent parts\n");
+ fch_load(f, mphf);
+ break;
+ case CMPH_BDZ: /* included -- Fabiano */
+ DEBUGP("Loading bdz algorithm dependent parts\n");
+ bdz_load(f, mphf);
+ break;
+ case CMPH_BDZ_PH: /* included -- Fabiano */
+ DEBUGP("Loading bdz_ph algorithm dependent parts\n");
+ bdz_ph_load(f, mphf);
+ break;
+ case CMPH_CHD_PH: /* included -- Fabiano */
+ DEBUGP("Loading chd_ph algorithm dependent parts\n");
+ chd_ph_load(f, mphf);
+ break;
+ case CMPH_CHD: /* included -- Fabiano */
+ DEBUGP("Loading chd algorithm dependent parts\n");
+ chd_load(f, mphf);
+ break;
+ default:
+ assert(0);
+ }
+ DEBUGP("Loaded mphf\n");
+ return mphf;
+}
+
+
+cmph_uint32 cmph_search(cmph_t *mphf, const char *key, cmph_uint32 keylen)
+{
+ DEBUGP("mphf algorithm: %u \n", mphf->algo);
+ switch(mphf->algo)
+ {
+ case CMPH_CHM:
+ return chm_search(mphf, key, keylen);
+ case CMPH_BMZ: /* included -- Fabiano */
+ DEBUGP("bmz algorithm search\n");
+ return bmz_search(mphf, key, keylen);
+ case CMPH_BMZ8: /* included -- Fabiano */
+ DEBUGP("bmz8 algorithm search\n");
+ return bmz8_search(mphf, key, keylen);
+ case CMPH_BRZ: /* included -- Fabiano */
+ DEBUGP("brz algorithm search\n");
+ return brz_search(mphf, key, keylen);
+ case CMPH_FCH: /* included -- Fabiano */
+ DEBUGP("fch algorithm search\n");
+ return fch_search(mphf, key, keylen);
+ case CMPH_BDZ: /* included -- Fabiano */
+ DEBUGP("bdz algorithm search\n");
+ return bdz_search(mphf, key, keylen);
+ case CMPH_BDZ_PH: /* included -- Fabiano */
+ DEBUGP("bdz_ph algorithm search\n");
+ return bdz_ph_search(mphf, key, keylen);
+ case CMPH_CHD_PH: /* included -- Fabiano */
+ DEBUGP("chd_ph algorithm search\n");
+ return chd_ph_search(mphf, key, keylen);
+ case CMPH_CHD: /* included -- Fabiano */
+ DEBUGP("chd algorithm search\n");
+ return chd_search(mphf, key, keylen);
+ default:
+ assert(0);
+ }
+ assert(0);
+ return 0;
+}
+
+cmph_uint32 cmph_size(cmph_t *mphf)
+{
+ return mphf->size;
+}
+
+void cmph_destroy(cmph_t *mphf)
+{
+ switch(mphf->algo)
+ {
+ case CMPH_CHM:
+ chm_destroy(mphf);
+ return;
+ case CMPH_BMZ: /* included -- Fabiano */
+ bmz_destroy(mphf);
+ return;
+ case CMPH_BMZ8: /* included -- Fabiano */
+ bmz8_destroy(mphf);
+ return;
+ case CMPH_BRZ: /* included -- Fabiano */
+ brz_destroy(mphf);
+ return;
+ case CMPH_FCH: /* included -- Fabiano */
+ fch_destroy(mphf);
+ return;
+ case CMPH_BDZ: /* included -- Fabiano */
+ bdz_destroy(mphf);
+ return;
+ case CMPH_BDZ_PH: /* included -- Fabiano */
+ bdz_ph_destroy(mphf);
+ return;
+ case CMPH_CHD_PH: /* included -- Fabiano */
+ chd_ph_destroy(mphf);
+ return;
+ case CMPH_CHD: /* included -- Fabiano */
+ chd_destroy(mphf);
+ return;
+ default:
+ assert(0);
+ }
+ assert(0);
+ return;
+}
+
+
+/** \fn void cmph_pack(cmph_t *mphf, void *packed_mphf);
+ * \brief Support the ability to pack a perfect hash function into a preallocated contiguous memory space pointed by packed_mphf.
+ * \param mphf pointer to the resulting mphf
+ * \param packed_mphf pointer to the contiguous memory area used to store the resulting mphf. The size of packed_mphf must be at least cmph_packed_size()
+ */
+void cmph_pack(cmph_t *mphf, void *packed_mphf)
+{
+ // packing algorithm type to be used in cmph.c
+ cmph_uint32 * ptr = (cmph_uint32 *) packed_mphf;
+ *ptr++ = mphf->algo;
+ DEBUGP("mphf->algo = %u\n", mphf->algo);
+ switch(mphf->algo)
+ {
+ case CMPH_CHM:
+ chm_pack(mphf, ptr);
+ break;
+ case CMPH_BMZ: /* included -- Fabiano */
+ bmz_pack(mphf, ptr);
+ break;
+ case CMPH_BMZ8: /* included -- Fabiano */
+ bmz8_pack(mphf, ptr);
+ break;
+ case CMPH_BRZ: /* included -- Fabiano */
+ brz_pack(mphf, ptr);
+ break;
+ case CMPH_FCH: /* included -- Fabiano */
+ fch_pack(mphf, ptr);
+ break;
+ case CMPH_BDZ: /* included -- Fabiano */
+ bdz_pack(mphf, ptr);
+ break;
+ case CMPH_BDZ_PH: /* included -- Fabiano */
+ bdz_ph_pack(mphf, ptr);
+ break;
+ case CMPH_CHD_PH: /* included -- Fabiano */
+ chd_ph_pack(mphf, ptr);
+ break;
+ case CMPH_CHD: /* included -- Fabiano */
+ chd_pack(mphf, ptr);
+ break;
+ default:
+ assert(0);
+ }
+ return;
+}
+
+/** \fn cmph_uint32 cmph_packed_size(cmph_t *mphf);
+ * \brief Return the amount of space needed to pack mphf.
+ * \param mphf pointer to a mphf
+ * \return the size of the packed function or zero for failures
+ */
+cmph_uint32 cmph_packed_size(cmph_t *mphf)
+{
+ switch(mphf->algo)
+ {
+ case CMPH_CHM:
+ return chm_packed_size(mphf);
+ case CMPH_BMZ: /* included -- Fabiano */
+ return bmz_packed_size(mphf);
+ case CMPH_BMZ8: /* included -- Fabiano */
+ return bmz8_packed_size(mphf);
+ case CMPH_BRZ: /* included -- Fabiano */
+ return brz_packed_size(mphf);
+ case CMPH_FCH: /* included -- Fabiano */
+ return fch_packed_size(mphf);
+ case CMPH_BDZ: /* included -- Fabiano */
+ return bdz_packed_size(mphf);
+ case CMPH_BDZ_PH: /* included -- Fabiano */
+ return bdz_ph_packed_size(mphf);
+ case CMPH_CHD_PH: /* included -- Fabiano */
+ return chd_ph_packed_size(mphf);
+ case CMPH_CHD: /* included -- Fabiano */
+ return chd_packed_size(mphf);
+ default:
+ assert(0);
+ }
+ return 0; // FAILURE
+}
+
+/** cmph_uint32 cmph_search(void *packed_mphf, const char *key, cmph_uint32 keylen);
+ * \brief Use the packed mphf to do a search.
+ * \param packed_mphf pointer to the packed mphf
+ * \param key key to be hashed
+ * \param keylen key legth in bytes
+ * \return The mphf value
+ */
+cmph_uint32 cmph_search_packed(void *packed_mphf, const char *key, cmph_uint32 keylen)
+{
+ cmph_uint32 *ptr = (cmph_uint32 *)packed_mphf;
+// fprintf(stderr, "algo:%u\n", *ptr);
+ switch(*ptr)
+ {
+ case CMPH_CHM:
+ return chm_search_packed(++ptr, key, keylen);
+ case CMPH_BMZ: /* included -- Fabiano */
+ return bmz_search_packed(++ptr, key, keylen);
+ case CMPH_BMZ8: /* included -- Fabiano */
+ return bmz8_search_packed(++ptr, key, keylen);
+ case CMPH_BRZ: /* included -- Fabiano */
+ return brz_search_packed(++ptr, key, keylen);
+ case CMPH_FCH: /* included -- Fabiano */
+ return fch_search_packed(++ptr, key, keylen);
+ case CMPH_BDZ: /* included -- Fabiano */
+ return bdz_search_packed(++ptr, key, keylen);
+ case CMPH_BDZ_PH: /* included -- Fabiano */
+ return bdz_ph_search_packed(++ptr, key, keylen);
+ case CMPH_CHD_PH: /* included -- Fabiano */
+ return chd_ph_search_packed(++ptr, key, keylen);
+ case CMPH_CHD: /* included -- Fabiano */
+ return chd_search_packed(++ptr, key, keylen);
+ default:
+ assert(0);
+ }
+ return 0; // FAILURE
+}