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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186

/// Macro to create several `Parameter`s at once.
///
/// # Example
/// ```
/// use ics::parameters;
/// use ics::components::Property;
/// use ics::properties::DtStart;
///
/// # fn main() {
/// let mut date = DtStart::new("20180906");
/// date.append(parameters!("TZID" => "America/New_York"; "VALUE" => "DATE"));
/// assert_eq!(
///     Property::from(date).to_string(),
///     "DTSTART;TZID=America/New_York;VALUE=DATE:20180906\r\n"
/// );
/// # }
/// ```
#[macro_export]
macro_rules! parameters {
    ($($key:expr => $value:expr);*) => {
        {
            use std::collections::BTreeMap;
            use $crate::components::Parameters;
            let mut parameters: Parameters = BTreeMap::new();
            $(
                parameters.insert($key.into(), $value.into());
            )*
            parameters
        }
    };
}

#[cfg(test)]
mod test {
    use crate::components::Parameters;
    use std::collections::BTreeMap;

    #[test]
    fn parameters() {
        let mut b_map: Parameters = BTreeMap::new();
        b_map.insert("VALUE".into(), "BOOLEAN".into());
        b_map.insert("CUTYPE".into(), "GROUP".into());
        let param = parameters!("VALUE" => "BOOLEAN"; "CUTYPE" => "GROUP");
        assert_eq!(b_map, param);
    }
}

// Creation and conversion from builder types to Property
macro_rules! property {
    ($type:ident, $name:expr) => {
        #[doc = "`"]
        #[doc=$name]
        #[doc = "` Property"]
        #[derive(Debug, Clone, PartialEq, Eq, Hash, PartialOrd, Ord)]
        pub struct $type<'a> {
            value: Cow<'a, str>,
            parameters: Parameters<'a>,
        }

        impl<'a> $type<'a> {
            #[doc = "Creates a new `"]
            #[doc=$name]
            #[doc = "` Property with the given value."]
            pub fn new<S>(value: S) -> Self
            where
                S: Into<Cow<'a, str>>,
            {
                Self {
                    value: value.into(),
                    parameters: BTreeMap::new(),
                }
            }
        }

        impl_add_parameters!($type);

        impl_from_prop!($type, $name);
    };
}

// Creation and conversion from builder types to Property with default value
// types as parameter
// This matters right now only for the newer properties from RFC7986.
#[cfg(feature = "rfc7986")]
macro_rules! property_with_parameter {
    ($type:ident, $name:expr, $value:expr) => {
        #[doc = "`"]#[doc=$name]#[doc = "` Property"]
        ///
        /// Newer properties that have a different value type than `TEXT` have to include the `VALUE` parameter.
        #[doc = "This property already contains `VALUE:"]#[doc=$value]#[doc="`. Do not add this parameter manually."]
        #[derive(Debug, Clone, PartialEq, Eq, Hash, PartialOrd, Ord)]
        pub struct $type<'a> {
            value: Cow<'a, str>,
            parameters: Parameters<'a>
        }

        impl<'a> $type<'a> {
            #[doc = "Creates a new `"]#[doc=$name]#[doc = "` Property with the given value."]
            pub fn new<S>(value: S) -> Self
            where
                S: Into<Cow<'a, str>>
            {
                Self {
                    value: value.into(),
                    parameters: parameters!("VALUE" => $value)
                }
            }
        }

        impl_add_parameters!($type);

        impl_from_prop!($type, $name);
    };
}

// Creation and conversion from builder types to Parameter
macro_rules! parameter {
    ($type:ident, $name:expr) => {
        #[doc = "`"]
        #[doc=$name]
        #[doc = "` Parameter"]
        #[derive(Debug, Clone, PartialEq, Eq, Hash, PartialOrd, Ord)]
        pub struct $type<'a> {
            value: Cow<'a, str>,
        }

        impl<'a> $type<'a> {
            #[doc = "Creates a new `"]
            #[doc=$name]
            #[doc = "` Parameter with the given value."]
            pub fn new<S>(value: S) -> Self
            where
                S: Into<Cow<'a, str>>,
            {
                Self {
                    value: value.into(),
                }
            }
        }

        impl<'a> From<$type<'a>> for Parameter<'a> {
            fn from(builder: $type<'a>) -> Self {
                Parameter {
                    key: Cow::Borrowed($name),
                    value: builder.value,
                }
            }
        }
    };
}

macro_rules! impl_add_parameters {
    ($type:ident) => {
        impl<'a> $type<'a> {
            /// Adds a parameter to the property.
            pub fn add<P>(&mut self, parameter: P)
            where
                P: Into<Parameter<'a>>,
            {
                let parameter = parameter.into();
                self.parameters.insert(parameter.key, parameter.value);
            }

            /// Adds several parameters at once to the property. For creating
            /// several parameters at once, consult the documentation of
            /// the [`parameters!`] macro.
            pub fn append(&mut self, mut parameters: Parameters<'a>) {
                self.parameters.append(&mut parameters);
            }
        }
    };
}

macro_rules! impl_from_prop {
    ($type:ident, $name:expr) => {
        impl<'a> From<$type<'a>> for Property<'a> {
            fn from(builder: $type<'a>) -> Self {
                Property {
                    key: Cow::Borrowed($name),
                    value: builder.value,
                    parameters: builder.parameters,
                }
            }
        }
    };
}