/*

  * Copyright (C) 2008  Kristian Høgsberg <krh@redhat.com>

  * Copyright (C) 2008  Red Hat, Inc

  *

  * This program is free software; you can redistribute it and/or modify

  * it under the terms of the GNU General Public License as published by

  * the Free Software Foundation; either version 2 of the License, or

  * (at your option) any later version.

  *

  * This program is distributed in the hope that it will be useful,

  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  * GNU General Public License for more details.

  *

  * You should have received a copy of the GNU General Public License along

  * with this program; if not, write to the Free Software Foundation, Inc.,

  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

  */

 #ifndef _RAZOR_INTERNAL_H_

 #define _RAZOR_INTERNAL_H_

 #include <stdlib.h>

 #include <stdint.h>

 #include <stdarg.h>

 #include <unistd.h>

 #include "razor.h"

 /* GCC visibility */

 #if defined(__GNUC__) && __GNUC__ >= 4

 #define RAZOR_EXPORT __attribute__ ((visibility("default")))

 #else

 #define RAZOR_EXPORT

 #endif

 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))

 #define ALIGN(value, base) (((value) + (base - 1)) & ~((base) - 1))

 void *zalloc(size_t size);

 struct array {

 	void *data;

 	int size, alloc;

 };

 void array_init(struct array *array);

 void array_release(struct array *array);

 void *array_add(struct array *array, int size);

 struct list_head {

 	uint32_t list_ptr : 24;

 	uint32_t flags    : 8;

 };

 struct list {

 	uint32_t data  : 24;

 	uint32_t flags : 8;

 };

 void list_set_empty(struct list_head *head);

 void list_set_ptr(struct list_head *head, uint32_t ptr);

 void list_set_array(struct list_head *head, struct array *pool, struct array *items, int force_indirect);

 struct list *list_first(struct list_head *head, struct array *pool);

 struct list *list_next(struct list *list);

 void list_remap_pool(struct array *pool, uint32_t *map);

 void list_remap_head(struct list_head *list, uint32_t *map);

 struct hashtable {

 	struct array buckets;

 	struct array *pool;

 };

 void hashtable_init(struct hashtable *table, struct array *pool);

 void hashtable_release(struct hashtable *table);

 uint32_t hashtable_insert(struct hashtable *table, const char *key);

 uint32_t hashtable_lookup(struct hashtable *table, const char *key);

 uint32_t hashtable_tokenize(struct hashtable *table, const char *string);

 struct razor_set_section {

 	uint32_t name;

 	uint32_t offset;

 	uint32_t size;

 };

 struct razor_set_header {

 	uint32_t magic;

 	uint32_t version;

 	uint32_t num_sections;

 };

 #define RAZOR_MAGIC 	0x525a4442

 #define RAZOR_VERSION	1

 #define RAZOR_STRING_POOL		"string_pool"

 #define RAZOR_PACKAGES			"packages"

 #define RAZOR_PROPERTIES		"properties"

 #define RAZOR_PACKAGE_POOL		"package_pool"

 #define RAZOR_PROPERTY_POOL		"property_pool"

 #define RAZOR_DETAILS_STRING_POOL	"details_string_pool"

 #define RAZOR_FILES			"files"

 #define RAZOR_FILE_POOL			"file_pool"

 #define RAZOR_FILE_STRING_POOL		"file_string_pool"

 struct razor_package {

 	unsigned int name  : 24;

 	unsigned int flags : 8;

 	uint32_t version;

 	uint32_t arch;

 	uint32_t summary;

 	uint32_t description;

 	uint32_t url;

 	uint32_t license;

 	struct list_head properties;

 	struct list_head files;

 };

 struct razor_property {

 	uint32_t name;

 	uint32_t flags;

 	uint32_t version;

 	struct list_head packages;

 };

 struct razor_entry {

 	uint32_t name  : 24;

 	uint32_t flags : 8;

 	uint32_t start;

 	struct list_head packages;

 };

 #define RAZOR_ENTRY_LAST	0x80

 struct razor_set {

 	struct array string_pool;

  	struct array packages;

  	struct array properties;

  	struct array files;

 	struct array package_pool;

  	struct array property_pool;

  	struct array file_pool;

 	struct array file_string_pool;

 	struct array details_string_pool;

 	struct razor_set_header *header;

 	size_t header_size;

 	struct razor_set_header *details_header;

 	size_t details_header_size;

 	struct razor_set_header *files_header;

 	size_t files_header_size;

 };

 struct import_entry {

 	uint32_t package;

 	char *name;

 };

 struct import_directory {

 	uint32_t name, count;

 	struct array files;

 	struct array packages;

 	struct import_directory *last;

 };

 struct razor_importer {

 	struct razor_set *set;

 	struct hashtable table;

 	struct hashtable file_table;

 	struct hashtable details_table;

 	struct razor_package *package;

 	struct array properties;

 	struct array files;

 	struct array file_requires;

 };

 struct razor_package_iterator {

 	struct razor_set *set;

 	struct razor_package *package, *end;

 	struct list *index;

 	int free_index;

 };

 void

 razor_package_iterator_init_for_property(struct razor_package_iterator *pi,

 					 struct razor_set *set,

 					 struct razor_property *property);

 struct razor_property_iterator {

 	struct razor_set *set;

 	struct razor_property *property, *end;

 	struct list *index;

 };

 struct razor_file_iterator {

 	struct razor_set *set;

 	struct array path;

 	struct list *index;

 };

 struct razor_entry *

 razor_set_find_entry(struct razor_set *set,

 		     struct razor_entry *dir, const char *pattern);

 struct razor_merger *

 razor_merger_create(struct razor_set *set1, struct razor_set *set2);

 void

 razor_merger_add_package(struct razor_merger *merger,

 			 struct razor_package *package);

 struct razor_set *

 razor_merger_finish(struct razor_merger *merger);

 int run_lua_script(const char *root, const char *name, const char *body,

 		   ssize_t len);

 /* Utility functions */

 void

 razor_package_get_details_varg(struct razor_set *set,

 			       struct razor_package *package,

 			       va_list args);

 int razor_create_dir(const char *root, const char *path);

 int razor_write(int fd, const void *data, size_t size);

 void *razor_file_get_contents(const char *filename, size_t *length);

 int razor_file_free_contents(void *addr, size_t length);

 typedef int (*razor_compare_with_data_func_t)(const void *p1,

 					      const void *p,

 					      void *data);

 uint32_t *

 razor_qsort_with_data(void *base, size_t nelem, size_t size,

 		      razor_compare_with_data_func_t compare, void *data);

 #endif /* _RAZOR_INTERNAL_H_ */