use libc::{c_char, c_int};
use pyport::Py_ssize_t;
use object::*;

extern "C" {
    pub static mut PyDict_Type: PyTypeObject;
    pub static mut PyDictIterKey_Type: PyTypeObject;
    pub static mut PyDictIterValue_Type: PyTypeObject;
    pub static mut PyDictIterItem_Type: PyTypeObject;
    pub static mut PyDictKeys_Type: PyTypeObject;
    pub static mut PyDictItems_Type: PyTypeObject;
    pub static mut PyDictValues_Type: PyTypeObject;
}

#[inline(always)]
pub unsafe fn PyDict_Check(op : *mut PyObject) -> c_int {
    PyType_FastSubclass(Py_TYPE(op), Py_TPFLAGS_DICT_SUBCLASS)
}

#[inline(always)]
pub unsafe fn PyDict_CheckExact(op : *mut PyObject) -> c_int {
    (Py_TYPE(op) == &mut PyDict_Type) as c_int
}

#[inline(always)]
pub unsafe fn PyDictKeys_Check(op : *mut PyObject) -> c_int {
    (Py_TYPE(op) == &mut PyDictKeys_Type) as c_int
}

#[inline(always)]
pub unsafe fn PyDictItems_Check(op : *mut PyObject) -> c_int {
    (Py_TYPE(op) == &mut PyDictItems_Type) as c_int
}

#[inline(always)]
pub unsafe fn PyDictValues_Check(op : *mut PyObject) -> c_int {
    (Py_TYPE(op) == &mut PyDictValues_Type) as c_int
}

#[inline(always)]
pub unsafe fn PyDictViewSet_Check(op : *mut PyObject) -> c_int {
    (PyDictKeys_Check(op) != 0 || PyDictItems_Check(op) != 0) as c_int
}

extern "C" {
    pub fn PyDict_New() -> *mut PyObject;
    pub fn PyDict_GetItem(mp: *mut PyObject, key: *mut PyObject)
     -> *mut PyObject;
    pub fn PyDict_GetItemWithError(mp: *mut PyObject, key: *mut PyObject)
     -> *mut PyObject;
    //fn _PyDict_GetItemIdWithError(dp: *mut PyObject,
    //                              key: *mut Struct__Py_Identifier)
    // -> *mut PyObject;
    pub fn PyDict_SetItem(mp: *mut PyObject, key: *mut PyObject,
                          item: *mut PyObject) -> c_int;
    pub fn PyDict_DelItem(mp: *mut PyObject, key: *mut PyObject)
     -> c_int;
    pub fn PyDict_Clear(mp: *mut PyObject) -> ();
    pub fn PyDict_Next(mp: *mut PyObject, pos: *mut Py_ssize_t,
                       key: *mut *mut PyObject, value: *mut *mut PyObject)
     -> c_int;
    pub fn PyDict_Keys(mp: *mut PyObject) -> *mut PyObject;
    pub fn PyDict_Values(mp: *mut PyObject) -> *mut PyObject;
    pub fn PyDict_Items(mp: *mut PyObject) -> *mut PyObject;
    pub fn PyDict_Size(mp: *mut PyObject) -> Py_ssize_t;
    pub fn PyDict_Copy(mp: *mut PyObject) -> *mut PyObject;
    pub fn PyDict_Contains(mp: *mut PyObject, key: *mut PyObject)
     -> c_int;
    pub fn PyDict_Update(mp: *mut PyObject, other: *mut PyObject)
     -> c_int;
    pub fn PyDict_Merge(mp: *mut PyObject, other: *mut PyObject,
                        _override: c_int) -> c_int;
    pub fn PyDict_MergeFromSeq2(d: *mut PyObject, seq2: *mut PyObject,
                                _override: c_int) -> c_int;
    pub fn PyDict_GetItemString(dp: *mut PyObject, key: *const c_char)
     -> *mut PyObject;
    //fn _PyDict_GetItemId(dp: *mut PyObject,
    //                        key: *mut Struct__Py_Identifier)
    // -> *mut PyObject;
    pub fn PyDict_SetItemString(dp: *mut PyObject, key: *const c_char,
                                item: *mut PyObject) -> c_int;
    //fn _PyDict_SetItemId(dp: *mut PyObject,
    //                         key: *mut Struct__Py_Identifier,
    //                       item: *mut PyObject) -> c_int;
    pub fn PyDict_DelItemString(dp: *mut PyObject, key: *const c_char)
     -> c_int;
}