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use gobject as ffi;
use object::ObjectType;
use util::is_true;
use std::ffi::CStr;
use std::fmt;
use std::str;
pub mod raw {
pub type GType = ::gtypes::GType;
}
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct GType(raw::GType);
macro_rules! g_type_fundamental {
($num:expr) => (GType($num << 2));
}
pub const INVALID : GType = g_type_fundamental!(0);
pub const NONE : GType = g_type_fundamental!(1);
pub const INTERFACE : GType = g_type_fundamental!(2);
pub const CHAR : GType = g_type_fundamental!(3);
pub const UCHAR : GType = g_type_fundamental!(4);
pub const BOOLEAN : GType = g_type_fundamental!(5);
pub const INT : GType = g_type_fundamental!(6);
pub const UINT : GType = g_type_fundamental!(7);
pub const LONG : GType = g_type_fundamental!(8);
pub const ULONG : GType = g_type_fundamental!(9);
pub const INT64 : GType = g_type_fundamental!(10);
pub const UINT64 : GType = g_type_fundamental!(11);
pub const ENUM : GType = g_type_fundamental!(12);
pub const FLAGS : GType = g_type_fundamental!(13);
pub const FLOAT : GType = g_type_fundamental!(14);
pub const DOUBLE : GType = g_type_fundamental!(15);
pub const STRING : GType = g_type_fundamental!(16);
pub const POINTER : GType = g_type_fundamental!(17);
pub const BOXED : GType = g_type_fundamental!(18);
pub const PARAM : GType = g_type_fundamental!(19);
pub const OBJECT : GType = g_type_fundamental!(20);
pub const VARIANT : GType = g_type_fundamental!(21);
impl GType {
#[inline]
pub unsafe fn from_raw(type_id: raw::GType) -> GType {
GType(type_id)
}
#[inline]
pub fn to_raw(&self) -> raw::GType {
let GType(type_id) = *self;
type_id
}
pub fn name(&self) -> &str {
unsafe {
let name = CStr::from_ptr(ffi::g_type_name(self.to_raw()));
str::from_utf8_unchecked(name.to_bytes())
}
}
}
impl fmt::Debug for GType {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "GType {{ id: {}, name: \"{}\" }}", self.to_raw(), self.name())
}
}
pub fn check_instance_is_a<T>(inst: &T, type_id: GType) -> bool
where T: ObjectType
{
let raw_inst = inst as *const T;
let raw_type = type_id.to_raw();
is_true(unsafe {
ffi::g_type_check_instance_is_a(raw_inst as *mut ffi::GTypeInstance,
raw_type)
})
}