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-rw-r--r--lib/libalpm/package.h90
1 files changed, 74 insertions, 16 deletions
diff --git a/lib/libalpm/package.h b/lib/libalpm/package.h
index c8946448..7740d79a 100644
--- a/lib/libalpm/package.h
+++ b/lib/libalpm/package.h
@@ -31,27 +31,94 @@
#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 *);
+ int (*has_scriptlet) (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:
+ * checkmd5sum() ?
+ * 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 {
+ unsigned long name_hash;
char *filename;
char *name;
char *version;
char *desc;
char *url;
- time_t builddate;
- time_t installdate;
char *packager;
char *md5sum;
char *arch;
+
+ time_t builddate;
+ time_t installdate;
+
off_t size;
off_t isize;
off_t download_size;
+
int scriptlet;
- int force;
+ int epoch;
+
pmpkgreason_t reason;
+ pmpkgfrom_t origin;
+ /* origin == PKG_FROM_FILE, use pkg->origin_data.file
+ * origin == PKG_FROM_*DB, use pkg->origin_data.db */
+ union {
+ pmdb_t *db;
+ char *file;
+ } origin_data;
+ pmdbinfrq_t infolevel;
+
alpm_list_t *licenses;
alpm_list_t *replaces;
alpm_list_t *groups;
@@ -64,17 +131,8 @@ struct __pmpkg_t {
alpm_list_t *deltas;
alpm_list_t *delta_path;
alpm_list_t *removes; /* in transaction targets only */
- /* 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
- */
- union {
- pmdb_t *db;
- char *file;
- } origin_data;
- pmdbinfrq_t infolevel;
+
+ struct pkg_operations *ops;
};
pmpkg_t* _alpm_pkg_new(void);