it was included a examples directory

Makefile.am

@@ -1,2 +1,2 @@
-SUBDIRS = src tests
+SUBDIRS = src tests examples
 EXTRA_DIST = cmph.spec configure.ac

configure.ac

@@ -35,4 +35,4 @@ dnl Checks for library functions.
 
 AC_CHECK_SPOON
 dnl AC_OUTPUT(Makefile tests/Makefile samples/Makefile)
-AC_OUTPUT(Makefile src/Makefile tests/Makefile)
+AC_OUTPUT(Makefile src/Makefile tests/Makefile examples/Makefile)

examples/Makefile.am

@@ -0,0 +1,10 @@
+noinst_PROGRAMS = vector_adapter_ex1 file_adapter_ex2
+
+INCLUDES = -I../src/
+
+vector_adapter_ex1_LDADD   = ../src/libcmph.la
+vector_adapter_ex1_SOURCES = vector_adapter_ex1.c
+
+file_adapter_ex2_LDADD     = ../src/libcmph.la
+file_adapter_ex2_SOURCES   = file_adapter_ex2.c
+

examples/file_adapter_ex2.c

@@ -0,0 +1,32 @@
+#include <cmph.h>
+#include <stdio.h>
+
+ // Create minimal perfect hash function from in-disk keys using BMZ algorithm
+int main(int argc, char **argv)
+{   
+	 //Open file with newline separated list of keys
+	FILE * keys_fd = fopen("keys.txt", "r");
+	cmph_t *hash = NULL;
+	if (keys_fd == NULL) 
+	{
+	  fprintf(stderr, "File \"keys.txt\" not found\n");
+	  exit(1);
+	}	
+	// Source of keys
+	cmph_io_adapter_t *source = cmph_io_nlfile_adapter(keys_fd);
+
+	cmph_config_t *config = cmph_config_new(source);
+	cmph_config_set_algo(config, CMPH_BMZ);
+	hash = cmph_new(config);
+	cmph_config_destroy(config);
+   
+	//Find key
+	const char *key = "jjjjjjjjjj";
+	unsigned int id = cmph_search(hash, key, strlen(key));
+	fprintf(stderr, "Id:%u\n", id);
+	//Destroy hash
+	cmph_destroy(hash);
+	free(source);   
+	fclose(keys_fd);
+	return 0;
+}

examples/keys.txt

@@ -0,0 +1,10 @@
+aaaaaaaaaa
+bbbbbbbbbb
+cccccccccc
+dddddddddd
+eeeeeeeeee
+ffffffffff
+gggggggggg
+hhhhhhhhhh
+iiiiiiiiii
+jjjjjjjjjj

examples/vector_adapter_ex1.c

@@ -0,0 +1,26 @@
+#include <cmph.h>
+
+// Create minimal perfect hash function from in-memory vector
+int main(int argc, char **argv)
+{   
+	// Creating a filled vector
+	const char *vector[] = {"aaaaaaaaaa", "bbbbbbbbbb", "cccccccccc", "dddddddddd", "eeeeeeeeee", 
+				"ffffffffff", "gggggggggg", "hhhhhhhhhh", "iiiiiiiiii", "jjjjjjjjjj"};
+	unsigned int nkeys = 10;
+	// Source of keys
+	cmph_io_adapter_t *source = cmph_io_vector_adapter(vector, nkeys);
+
+	//Create minimal perfect hash function using the default (chm) algorithm.
+	cmph_config_t *config = cmph_config_new(source);
+	cmph_t *hash = cmph_new(config);
+	cmph_config_destroy(config);
+   
+	//Find key
+	const char *key = "jjjjjjjjjj";
+	unsigned int id = cmph_search(hash, key, strlen(key));
+	fprintf(stderr, "Id:%u\n", id);
+	//Destroy hash
+	cmph_destroy(hash);
+	free(source);   
+	return 0;
+}

src/cmph.c

@@ -12,6 +12,8 @@
 
 const char *cmph_names[] = { "bmz", "chm", NULL }; /* included -- Fabiano */
 
+static cmph_uint32 position; // access position when data is a vector	
+
 static int key_nlfile_read(void *data, char **key, cmph_uint32 *keylen)
 {
 	FILE *fd = (FILE *)data;
@@ -37,16 +39,34 @@ static int key_nlfile_read(void *data, char **key, cmph_uint32 *keylen)
 	return *keylen;
 }
 
+static int key_vector_read(void *data, char **key, cmph_uint32 *keylen)
+{
+	char **keys = (char **)data;
+	if (keys + position == NULL) return -1;
+	*keylen = strlen(*(keys + position));
+	*key = (char *)malloc(*keylen);
+	strcpy(*key, *(keys + position));
+	position ++;
+	return *keylen;
+}
+
+
 static void key_nlfile_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_vector_rewind(void *data)
+{
+	position = 0;
+}
+
 static cmph_uint32 count_nlfile_keys(FILE *fd)
 {
 	cmph_uint32 count = 0;
@@ -89,7 +109,14 @@ cmph_io_adapter_t *cmph_io_nlnkfile_adapter(FILE * keys_fd, cmph_uint32 nkeys)
 
 cmph_io_adapter_t *cmph_io_vector_adapter(const char ** vector, cmph_uint32 nkeys)
 {
-  return NULL;
+  cmph_io_adapter_t * key_source = malloc(sizeof(cmph_io_adapter_t));
+  assert(key_source);
+  key_source->data = (void *)vector;
+  key_source->nkeys = nkeys;
+  key_source->read = key_vector_read;
+  key_source->dispose = key_nlfile_dispose;
+  key_source->rewind = key_vector_rewind;
+  return key_source;
 }
 
 cmph_config_t *cmph_config_new(cmph_io_adapter_t *key_source)

src/cmph.h

@@ -27,7 +27,7 @@ typedef struct
 /* please call free() in the created adapters */
 cmph_io_adapter_t *cmph_io_nlfile_adapter(FILE * keys_fd);
 cmph_io_adapter_t *cmph_io_nlnkfile_adapter(FILE * keys_fd, cmph_uint32 nkeys);
-/*cmph_io_adapter_t *cmph_io_vector_adapter(const char ** vector, cmph_uint32 nkeys);*/
+cmph_io_adapter_t *cmph_io_vector_adapter(const char ** vector, cmph_uint32 nkeys);
 
 /** Hash configuration API **/
 cmph_config_t *cmph_config_new(cmph_io_adapter_t *key_source);