lua: open and close db

cute-signatures
Natanael Copa 2010-10-15 22:16:22 +00:00
parent d7374642c2
commit 17b1e1aeca
1 changed files with 50 additions and 2 deletions

View File

@ -8,6 +8,7 @@
#include "apk_version.h"
#define LIBNAME "apk"
#define APKDB_META "apk_database"
struct flagmap {
const char *name;
@ -113,16 +114,46 @@ static int get_dbopts(lua_State *L, int i, struct apk_db_options *o)
return 0;
}
static struct apk_database *checkdb(lua_State *L, int index)
{
struct apk_database *db;
luaL_checktype(L, index, LUA_TUSERDATA);
db = (struct apk_database *) luaL_checkudata(L, index, APKDB_META);
if (db == NULL)
luaL_typerror(L, index, APKDB_META);
return db;
}
static int Papk_db_open(lua_State *L)
{
struct apk_db_options opts;
struct apk_database *db;
int r;
memset(&opts, 0, sizeof(opts));
list_init(&opts.repository_list);
if (lua_istable(L, 1))
get_dbopts(L, 1, &opts);
db = lua_newuserdata(L, sizeof(struct apk_database));
luaL_getmetatable(L, APKDB_META);
lua_setmetatable(L, -2);
r = apk_db_open(db, &opts);
if (r != 0)
luaL_error(L, "apk_db_open() failed");
return 1;
}
static int Papk_db_close(lua_State *L)
{
struct apk_database *db = checkdb(L, 1);
apk_db_close(db);
return 0;
}
static const luaL_reg R[] = {
static const luaL_reg reg_apk_methods[] = {
{"version_validate", Pversion_validate},
{"version_compare", Pversion_compare},
{"version_is_less", Pversion_is_less},
@ -130,12 +161,29 @@ static const luaL_reg R[] = {
{NULL, NULL}
};
static const luaL_reg reg_apk_db_meta_methods[] = {
{"__gc", Papk_db_close},
{NULL, NULL}
};
LUALIB_API int luaopen_apk(lua_State *L)
{
luaL_register(L, LIBNAME, R);
luaL_register(L, LIBNAME, reg_apk_methods);
lua_pushliteral(L, "version");
lua_pushliteral(L, APK_VERSION);
lua_settable(L, -3);
luaL_newmetatable(L, APKDB_META);
luaL_register(L, NULL, reg_apk_db_meta_methods);
lua_pushliteral(L, "__index");
lua_pushvalue(L, -3);
lua_rawset(L, -3);
lua_pushliteral(L, "__metatable");
lua_pushvalue(L, -3);
lua_rawset(L, -3);
lua_pop(L, 1);
return 1;
}