adb: introduce apk-tools database format, and few applets

This is a flat buffers inspired format that allows fast
mmaped access to the data with low overhead, signature support
and relatively good forward support.

1 files changed, 91 insertions, 0 deletions

diff --git a/src/apk_adb.h b/src/apk_adb.h
new file mode 100644
index 0000000..557bc6e
--- /dev/null
+++ b/src/apk_adb.h
@@ -0,0 +1,91 @@
+#include "adb.h"
+
+/* Schemas */
+#define ADB_SCHEMA_INDEX	0x78646e69	// indx
+#define ADB_SCHEMA_PACKAGE	0x676b6370	// pckg
+#define ADB_SCHEMA_INSTALLED_DB	0x00626469	// idb
+
+/* Dependency */
+#define ADBI_DEP_NAME		0x01
+#define ADBI_DEP_VERSION	0x02
+#define ADBI_DEP_MATCH		0x03
+#define ADBI_DEP_MAX		0x04
+
+/* Package Info */
+#define ADBI_PI_NAME		0x01
+#define ADBI_PI_VERSION		0x02
+#define ADBI_PI_UNIQUE_ID	0x03
+#define ADBI_PI_DESCRIPTION	0x04
+#define ADBI_PI_ARCH		0x05
+#define ADBI_PI_LICENSE		0x06
+#define ADBI_PI_ORIGIN		0x07
+#define ADBI_PI_MAINTAINER	0x08
+#define ADBI_PI_URL		0x09
+#define ADBI_PI_REPO_COMMIT	0x0a
+#define ADBI_PI_BUILD_TIME	0x0b
+#define ADBI_PI_INSTALLED_SIZE	0x0c
+#define ADBI_PI_FILE_SIZE	0x0d
+#define ADBI_PI_PRIORITY	0x0e
+#define ADBI_PI_DEPENDS		0x0f
+#define ADBI_PI_PROVIDES	0x10
+#define ADBI_PI_REPLACES	0x11
+#define ADBI_PI_INSTALL_IF	0x12
+#define ADBI_PI_RECOMMENDS	0x13
+#define ADBI_PI_MAX		0x14
+
+/* File Info */
+#define ADBI_FI_NAME		0x01
+#define ADBI_FI_HASHES		0x02
+#define ADBI_FI_FILES		0x02
+#define ADBI_FI_MODE		0x03
+#define ADBI_FI_UID		0x04
+#define ADBI_FI_GID		0x05
+#define ADBI_FI_XATTRS		0x06
+#define ADBI_FI_MAX		0x07
+
+/* Scripts */
+#define ADBI_SCRPT_TRIGGER	0x01
+#define ADBI_SCRPT_PREINST	0x02
+#define ADBI_SCRPT_POSTINST	0x03
+#define ADBI_SCRPT_PREDEINST	0x04
+#define ADBI_SCRPT_POSTDEINST	0x05
+#define ADBI_SCRPT_PREUPGRADE	0x06
+#define ADBI_SCRPT_POSTUPGRADE	0x07
+#define ADBI_SCRPT_MAX		0x08
+
+/* Package */
+#define ADBI_PKG_PKGINFO	0x01
+#define ADBI_PKG_PATHS		0x02
+#define ADBI_PKG_SCRIPTS	0x03
+#define ADBI_PKG_TRIGGERS	0x04
+#define ADBI_PKG_PASSWD		0x05
+#define ADBI_PKG_MAX		0x06
+
+/* Index */
+#define ADBI_NDX_DESCRIPTION	0x01
+#define ADBI_NDX_PACKAGES	0x02
+#define ADBI_NDX_MAX		0x03
+
+/* Installed DB */
+#define ADBI_IDB_PACKAGES	0x01
+#define ADBI_IDB_MAX		0x02
+
+/* */
+#define APK_MAX_PKG_DEPENDENCIES	512
+#define APK_MAX_PKG_REPLACES		32
+#define APK_MAX_PKG_TRIGGERS		32
+#define APK_MAX_INDEX_PACKAGES		20000
+#define APK_MAX_MANIFEST_FILES		8000
+#define APK_MAX_MANIFEST_PATHS		6000
+
+extern const struct adb_object_schema
+	schema_dependency, schema_dependency_array,
+	schema_pkginfo, schema_pkginfo_array,
+	schema_file, schema_file_array, schema_path, schema_path_array,
+	schema_string_array, schema_scripts, schema_package, schema_package_adb_array,
+	schema_index, schema_idb;
+
+/* */
+int apk_dep_split(apk_blob_t *b, apk_blob_t *bdep);
+adb_val_t adb_wo_pkginfo(struct adb_obj *obj, unsigned int f, apk_blob_t val);
+unsigned int adb_pkg_field_index(char f);