selected_var_format_button

shared/Cargo.toml

@@ -10,6 +10,7 @@ publish.workspace = true
 [dependencies]
 wellen.workspace = true
 moonlight.workspace = true
+convert-base = "1.1.2"
 # @TODO update `futures_util_ext` - add feature `sink`, set exact `futures-util` version
 futures-util = { version = "0.3.30", features = ["sink"] }
 

shared/src/lib.rs

@@ -1,5 +1,8 @@
 use moonlight::*;
 
+mod var_format;
+pub use var_format::VarFormat;
+
 pub mod wellen_helpers;
 
 #[derive(Serialize, Deserialize, Debug, Default)]

shared/src/var_format.rs

@@ -0,0 +1,54 @@
+#[derive(Default, Clone, Copy, Debug)]
+pub enum VarFormat {
+    ASCII,
+    Binary,
+    BinaryWithGroups,
+    #[default]
+    Hexadecimal,
+    Octal,
+    Signed,
+    Unsigned,
+}
+
+impl VarFormat {
+    pub fn as_static_str(&self) -> &'static str {
+        match self {
+            VarFormat::ASCII => "Text",
+            VarFormat::Binary => "Bin",
+            VarFormat::BinaryWithGroups => "Bins",
+            VarFormat::Hexadecimal => "Hex",
+            VarFormat::Octal => "Oct",
+            VarFormat::Signed => "i32",
+            VarFormat::Unsigned => "u32",
+        }
+    }
+
+    pub fn next(&self) -> Self {
+        match self {
+            VarFormat::ASCII => VarFormat::Binary,
+            VarFormat::Binary => VarFormat::BinaryWithGroups,
+            VarFormat::BinaryWithGroups => VarFormat::Hexadecimal,
+            VarFormat::Hexadecimal => VarFormat::Octal,
+            VarFormat::Octal => VarFormat::Signed,
+            VarFormat::Signed => VarFormat::Unsigned,
+            VarFormat::Unsigned => VarFormat::ASCII,
+        }
+    }
+
+    pub fn format(&self, value: wellen::SignalValue) -> String {
+        // @TODO optimize it by not using `.to_string` if possible
+        let value = value.to_string();
+        let ones_and_zeros = value
+            .chars()
+            .rev()
+            .map(|char| char.to_digit(2).unwrap())
+            .collect::<Vec<_>>();
+        let mut base = convert_base::Convert::new(2, 16);
+        let output = base.convert::<u32, u32>(&ones_and_zeros);
+        let value: String = output
+            .into_iter()
+            .map(|number| char::from_digit(number, 16).unwrap())
+            .collect();
+        value
+    }
+}