cue_lib 0.1.0

cuesheet library
Documentation 
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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137

/// Helper macro to implement basic arithmetic operations, traits and helper functions to building range types
/// NOTE: This macro is only meant for unsigned (0 to INF) numeric ranges.
macro_rules! impl_numeric_range_type {
  ($type:ident, $inner_type:ty, max = $max:literal, len = $len:literal, display_leading_zeros = $leading:literal ) => {
    impl $type {
      pub const MAX: Self = Self($max);
      pub const MIN: Self = Self(0);

      #[inline]
      pub const fn new(value: $inner_type) -> Option<Self> {
        if value > Self::MAX.0 {
          None
        } else {
          Some(Self(value))
        }
      }

      #[inline]
      pub const fn into_inner(self) -> $inner_type {
        self.0
      }

      #[inline]
      pub const unsafe fn new_unchecked(value: $inner_type) -> Self {
        Self(value)
      }

      #[inline]
      pub const fn saturating_add(self, rhs: $inner_type) -> Self {
        let val = self.0.saturating_add(rhs);
        if val > Self::MAX.0 {
          Self::MAX
        } else {
          Self(val)
        }
      }

      #[inline]
      pub const fn saturating_sub(self, rhs: $inner_type) -> Self {
        Self(self.0.saturating_sub(rhs))
      }

      #[inline]
      pub const fn saturating_mul(self, rhs: $inner_type) -> Self {
        let val = self.0.saturating_mul(rhs);
        if val > Self::MAX.0 {
          Self::MAX
        } else {
          Self(val)
        }
      }

      #[inline]
      pub const fn wrapping_add(self, rhs: $inner_type) -> Self {
        let val = self.0.wrapping_add(rhs);
        if val > Self::MAX.0 {
          Self::MAX
        } else {
          Self(val)
        }
      }

      #[inline]
      pub const fn wrapping_sub(self, rhs: $inner_type) -> Self {
        Self(self.0.wrapping_sub(rhs))
      }

      #[inline]
      pub const fn wrapping_mul(self, rhs: $inner_type) -> Self {
        let val = self.0.wrapping_mul(rhs);
        if val > Self::MAX.0 {
          Self::MAX
        } else {
          Self(val)
        }
      }

      pub fn as_digits(&self) -> $crate::core::Digits<$len> {
        let mut digits = [0_u8; $len];
        let mut base = (10 as $inner_type).pow($len - 1);
        let mut remaining = self.0;

        for i in 0..$len {
          let digit = remaining / base;
          remaining -= digit * base;
          digits[i] = (digit as u8);
          base /= 10;
        }

        unsafe { $crate::core::Digits::new_unchecked(&digits) }
      }
    }

    impl AsRef<$inner_type> for $type {
      #[inline]
      fn as_ref(&self) -> &$inner_type {
        &self.0
      }
    }

    impl core::borrow::Borrow<$inner_type> for $type {
      #[inline]
      fn borrow(&self) -> &$inner_type {
        &self.0
      }
    }

    impl core::str::FromStr for $type {
      type Err = $crate::core::error::InvalidNumericRange;

      fn from_str(v: &str) -> Result<Self, Self::Err> {
        let value = <$inner_type>::from_str_radix(v, 10)
          .map_err(|_| $crate::core::error::InvalidNumericRange)?;

        match Self::new(value) {
          Some(v) => Ok(v),
          _ => Err($crate::core::error::InvalidNumericRange),
        }
      }
    }

    impl Into<$inner_type> for $type {
      #[inline]
      fn into(self) -> $inner_type {
        self.0
      }
    }

    impl core::fmt::Display for $type {
      fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
        f.write_fmt(format_args!("{:0>padding$}", self.0, padding = $leading))
      }
    }
  };
}

pub(crate) use impl_numeric_range_type;