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#include <lua.h>
#include <lualib.h>
#include <lauxlib.h>
#include "apk_defines.h"
#include "apk_version.h"
#include "apk_blob.h"
#define LIBNAME "apk"
static apk_blob_t check_blob(lua_State *L, int index)
{
apk_blob_t blob;
blob.ptr = (char *)luaL_checklstring(L, index, (size_t *)&blob.len);
return blob;
}
/* version_validate(verstr) */
/* returns boolean */
static int Pversion_validate(lua_State *L)
{
apk_blob_t ver = check_blob(L, 1);
lua_pushboolean(L, apk_version_validate(ver));
return 1;
}
/* version_compare(verstr1, verstr2)
returns either '<', '=' or '>'
*/
static int Pversion_compare(lua_State *L)
{
apk_blob_t a, b;
a = check_blob(L, 1);
b = check_blob(L, 2);
lua_pushstring(L, apk_version_op_string(apk_version_compare_blob(a, b)));
return 1;
}
/* version_is_less(verstr1, verstr2)
returns either '<', '=' or '>'
*/
static int Pversion_is_less(lua_State *L)
{
apk_blob_t a, b;
a = check_blob(L, 1);
b = check_blob(L, 2);
lua_pushboolean(L, apk_version_compare_blob(a, b) == APK_VERSION_LESS);
return 1;
}
static const luaL_reg R[] = {
{"version_validate", Pversion_validate},
{"version_compare", Pversion_compare},
{"version_is_less", Pversion_is_less},
{NULL, NULL}
};
LUALIB_API int luaopen_apk(lua_State *L)
{
luaL_register(L, LIBNAME, R);
lua_pushliteral(L, "version");
lua_pushliteral(L, APK_VERSION);
lua_settable(L, -3);
return 1;
}
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