1 files changed, 101 insertions, 0 deletions
diff --git a/src/util.rs b/src/util.rs
new file mode 100644
index 0000000..f414ed7
--- /dev/null
+++ b/src/util.rs
@@ -0,0 +1,101 @@
+#[macro_export]
+macro_rules! make_getter_function_for_optional {
+    ($fnname:ident, $name:expr, $mapper:ty) => {
+        pub fn $fnname(&self) -> Option<$mapper> {
+            self.0.get_only($name).cloned().map(From::from)
+        }
+    }
+}
+
+#[macro_export]
+macro_rules! make_getter_function_for_values {
+    ($fnname:ident, $name:expr, $mapper:ty) => {
+        pub fn $fnname(&self) -> Vec<$mapper> {
+            self.0
+                .get_all($name)
+                .iter()
+                .map(Clone::clone)
+                .map(From::from)
+                .collect()
+        }
+    }
+}
+
+#[macro_export]
+macro_rules! create_data_type {
+    ( $name:ident ) => {
+        #[derive(Eq, PartialEq, Debug)]
+        pub struct $name(String, $crate::param::Parameters);
+
+        impl $name {
+            fn new(raw: String, params: $crate::param::Parameters) -> $name {
+                $name(raw, params)
+            }
+
+            pub fn raw(&self) -> &String {
+                &self.0
+            }
+        }
+
+        impl From<Property> for $name {
+            fn from(p: Property) -> $name {
+                $name::new(p.raw_value, p.params)
+            }
+        }
+    }
+}
+
+macro_rules! make_builder_fn {
+    (
+        fn $fnname:ident building $property_name:tt with_params,
+        $mapfn:expr => $( $arg_name:ident : $arg_type:ty ),*
+    ) => {
+        pub fn $fnname(mut self, params: $crate::param::Parameters, $( $arg_name : $arg_type ),*) -> Self {
+            let raw_value = vec![ $( $arg_name ),* ]
+                .into_iter()
+                .map($mapfn)
+                .collect::<Vec<_>>()
+                .join(";");
+
+            let prop = Property {
+                name: String::from($property_name),
+                params: params,
+                raw_value: raw_value,
+                prop_group: None
+            };
+
+            self.0.props.entry(String::from($property_name)).or_insert(vec![]).push(prop);
+            self
+        }
+    };
+
+    (
+        fn $fnname:ident building $property_name:tt,
+        $mapfn:expr => $( $arg_name:ident : $arg_type:ty ),*
+    ) => {
+        pub fn $fnname(mut self, $( $arg_name : $arg_type ),*) -> Self {
+            let raw_value = vec![ $( $arg_name ),* ]
+                .into_iter()
+                .map($mapfn)
+                .collect::<Vec<_>>()
+                .join(";");
+
+
+            let prop = Property {
+                name: String::from($property_name),
+                params: BTreeMap::new(),
+                raw_value: raw_value,
+                prop_group: None
+            };
+            self.0.props.entry(String::from($property_name)).or_insert(vec![]).push(prop);
+            self
+        }
+    }
+}
+
+#[cfg(feature = "timeconversions")]
+pub const DATE_TIME_FMT : &'static str = "%Y%m%dT%H%M%SZ";
+
+#[cfg(feature = "timeconversions")]
+pub const DATE_FMT      : &'static str = "%Y%m%d";
+