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-rw-r--r--lib/libalpm/package.h69
1 files changed, 63 insertions, 6 deletions
diff --git a/lib/libalpm/package.h b/lib/libalpm/package.h
index c8946448..77f8f8fd 100644
--- a/lib/libalpm/package.h
+++ b/lib/libalpm/package.h
@@ -31,10 +31,65 @@
#include "db.h"
typedef enum _pmpkgfrom_t {
- PKG_FROM_CACHE = 1,
- PKG_FROM_FILE
+ PKG_FROM_FILE = 1,
+ PKG_FROM_LOCALDB,
+ PKG_FROM_SYNCDB
} pmpkgfrom_t;
+/** Package operations struct. This struct contains function pointers to
+ * all methods used to access data in a package to allow for things such
+ * as lazy package intialization (such as used by the file backend). Each
+ * backend is free to define a stuct containing pointers to a specific
+ * implementation of these methods. Some backends may find using the
+ * defined default_pkg_ops struct to work just fine for their needs.
+ */
+struct pkg_operations {
+ const char *(*get_filename) (pmpkg_t *);
+ const char *(*get_name) (pmpkg_t *);
+ const char *(*get_version) (pmpkg_t *);
+ const char *(*get_desc) (pmpkg_t *);
+ const char *(*get_url) (pmpkg_t *);
+ time_t (*get_builddate) (pmpkg_t *);
+ time_t (*get_installdate) (pmpkg_t *);
+ const char *(*get_packager) (pmpkg_t *);
+ const char *(*get_md5sum) (pmpkg_t *);
+ const char *(*get_arch) (pmpkg_t *);
+ off_t (*get_size) (pmpkg_t *);
+ off_t (*get_isize) (pmpkg_t *);
+ pmpkgreason_t (*get_reason) (pmpkg_t *);
+ int (*get_epoch) (pmpkg_t *);
+
+ alpm_list_t *(*get_licenses) (pmpkg_t *);
+ alpm_list_t *(*get_groups) (pmpkg_t *);
+ alpm_list_t *(*get_depends) (pmpkg_t *);
+ alpm_list_t *(*get_optdepends) (pmpkg_t *);
+ alpm_list_t *(*get_conflicts) (pmpkg_t *);
+ alpm_list_t *(*get_provides) (pmpkg_t *);
+ alpm_list_t *(*get_replaces) (pmpkg_t *);
+ alpm_list_t *(*get_deltas) (pmpkg_t *);
+ alpm_list_t *(*get_files) (pmpkg_t *);
+ alpm_list_t *(*get_backup) (pmpkg_t *);
+
+ void *(*changelog_open) (pmpkg_t *);
+ size_t (*changelog_read) (void *, size_t, const pmpkg_t *, const void *);
+ int (*changelog_close) (const pmpkg_t *, void *);
+
+ /* still to add:
+ * free()
+ * dup()
+ * checkmd5sum() ?
+ * has_scriptlet()
+ * compute_requiredby()
+ */
+};
+
+/** The standard package operations struct. get fields directly from the
+ * struct itself with no abstraction layer or any type of lazy loading.
+ * The actual definition is in package.c so it can have access to the
+ * default accessor functions which are defined there.
+ */
+extern struct pkg_operations default_pkg_ops;
+
struct __pmpkg_t {
char *filename;
char *name;
@@ -50,7 +105,7 @@ struct __pmpkg_t {
off_t isize;
off_t download_size;
int scriptlet;
- int force;
+ int epoch;
pmpkgreason_t reason;
alpm_list_t *licenses;
alpm_list_t *replaces;
@@ -67,14 +122,16 @@ struct __pmpkg_t {
/* internal */
pmpkgfrom_t origin;
/* Replaced 'void *data' with this union as follows:
- origin == PKG_FROM_CACHE, use pkg->origin_data.db
- origin == PKG_FROM_FILE, use pkg->origin_data.file
+ origin == PKG_FROM_FILE, use pkg->origin_data.file
+ origin == PKG_FROM_*DB, use pkg->origin_data.db
*/
- union {
+ union {
pmdb_t *db;
char *file;
} origin_data;
pmdbinfrq_t infolevel;
+
+ struct pkg_operations *ops;
};
pmpkg_t* _alpm_pkg_new(void);