1 files changed, 59 insertions, 0 deletions
diff --git a/girepository/cmph/chd_ph.h b/girepository/cmph/chd_ph.h
new file mode 100644
index 00000000..d2bdb028
--- /dev/null
+++ b/girepository/cmph/chd_ph.h
@@ -0,0 +1,59 @@
+#ifndef _CMPH_CHD_PH_H__
+#define _CMPH_CHD_PH_H__
+
+#include "cmph.h"
+
+typedef struct __chd_ph_data_t chd_ph_data_t;
+typedef struct __chd_ph_config_data_t chd_ph_config_data_t;
+
+/* Config API */
+chd_ph_config_data_t *chd_ph_config_new();
+void chd_ph_config_set_hashfuncs(cmph_config_t *mph, CMPH_HASH *hashfuncs);
+
+/** \fn void chd_ph_config_set_keys_per_bin(cmph_config_t *mph, cmph_uint32 keys_per_bin);
+ *  \brief Allows to set the number of keys per bin.
+ *  \param mph pointer to the configuration structure
+ *  \param keys_per_bin value for the number of keys per bin 
+ */
+void chd_ph_config_set_keys_per_bin(cmph_config_t *mph, cmph_uint32 keys_per_bin);
+
+/** \fn void chd_ph_config_set_b(cmph_config_t *mph, cmph_uint32 keys_per_bucket);
+ *  \brief Allows to set the number of keys per bucket.
+ *  \param mph pointer to the configuration structure
+ *  \param keys_per_bucket value for the number of keys per bucket 
+ */
+void chd_ph_config_set_b(cmph_config_t *mph, cmph_uint32 keys_per_bucket);
+void chd_ph_config_destroy(cmph_config_t *mph);
+
+
+/* Chd algorithm API */
+cmph_t *chd_ph_new(cmph_config_t *mph, double c);
+void chd_ph_load(FILE *fd, cmph_t *mphf);
+int chd_ph_dump(cmph_t *mphf, FILE *fd);
+void chd_ph_destroy(cmph_t *mphf);
+cmph_uint32 chd_ph_search(cmph_t *mphf, const char *key, cmph_uint32 keylen);
+
+/** \fn void chd_ph_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 chd_ph_pack(cmph_t *mphf, void *packed_mphf);
+
+/** \fn cmph_uint32 chd_ph_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 chd_ph_packed_size(cmph_t *mphf);
+
+/** cmph_uint32 chd_ph_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 chd_ph_search_packed(void *packed_mphf, const char *key, cmph_uint32 keylen);
+
+#endif