1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81

macro_rules! string_getter {
    ( $( #[$doc:meta], $func_name:ident, $c_func: ident ),* ) => {
        $(
            #[$doc]
            fn $func_name (&self) -> Option<&str> {
                unsafe {
                    ptr_to_str(raw::$c_func(self.raw()))
                }
            }
        )*
    };
}

macro_rules! string_setter {
    ( $( $func_name:ident, $c_func: ident ),* ) => {
        $(
            fn $func_name (&self, field: &str) {
                let field = CString::new(field).unwrap();
                unsafe {
                    raw::$c_func(self.raw(), field.as_ptr())
                }
            }
        )*
    };
}

macro_rules! product_getter {
    ( $( $func_name:ident, $c_func: ident ),* ) => {
        $(
            fn $func_name (&self) -> u16 {
                unsafe {
                    raw::$c_func(self.raw()) as u16
                }
            }
        )*
    };
}

macro_rules! product_setter {
    ( $( $func_name:ident, $c_func: ident ),* ) => {
        $(
            fn $func_name (&self, field: u16) {
                unsafe {
                    raw::$c_func(self.raw(), field as c_int);
                }
            }
        )*
    };
}

macro_rules! abs_getter {
    ( $( $func_name:ident, $c_func: ident ),* ) => {
        $(
            fn $func_name (&self,
                               code: u32) -> std::io::Result<i32> {
                let result = unsafe {
                    raw::$c_func(self.raw(), code as c_uint) as i32
                };

                match result {
                    0 => Err(std::io::Error::from_raw_os_error(0)),
                    k => Ok(k)
                }
            }
        )*
    };
}

macro_rules! abs_setter {
    ( $( $func_name:ident, $c_func: ident ),* ) => {
        $(
            fn $func_name (&self,
                               code: u32,
                               val: i32) {
                unsafe {
                    raw::$c_func(self.raw(), code as c_uint, val as c_int);
                }
            }
        )*
    };
}