add logging crate with println and tracing features

Cargo.toml

@@ -1,7 +1,8 @@
 [workspace] 
 members = [
     "cargobase",
-    "cargobase-async"
+    "cargobase-async",
+    "logg",
 ]
 
 [workspace.package]
@@ -15,7 +16,7 @@ serde_json = { version = "1.0.132", features = ["raw_value"] }
 serde_derive = "1.0.188"
 base64 = "0.22.1"
 tokio = { version = "1", features = ["full"] }
-uuid = {version ="1.11.0", features = ["v4"] }
+uuid = { version ="1.11.0", features = ["v4"] }
 thiserror = "2.0.3"
 tempfile = "3.14.0"
 serde-reflection = "0.4.0"

logg/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "logg"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+ansi_term = "0.12.1"
+tracing = { version = "0.1", optional = true }
+
+[features]
+default = [] # no logging
+logging = [] # logging with println macro
+tracing = ["dep:tracing"] # logging with tracing crate
+
+# [lib]
+# path = "src/lib.rs"

logg/src/lib.rs

@@ -0,0 +1,64 @@
+// #[cfg(feature = "logging")]
+// use ansi_term::Colour;
+
+#[macro_export]
+macro_rules! info {
+    ($($arg:tt)*) => {{
+        #[cfg(feature = "logging")]
+        println!("{} {}", $crate::color::info_prefix(), format!($($arg)*));
+        #[cfg(feature = "tracing")]
+        tracing::info!($($arg)*);
+    }};
+}
+
+#[macro_export]
+macro_rules! warn {
+    ($($arg:tt)*) => {{
+        #[cfg(feature = "logging")]
+        println!("{} {}", $crate::color::warn_prefix(), format!($($arg)*));
+        #[cfg(feature = "tracing")]
+        tracing::warn!($($arg)*);
+    }};
+}
+
+#[macro_export]
+macro_rules! error {
+    ($($arg:tt)*) => {{
+        #[cfg(feature = "logging")]
+        println!("{} {}", $crate::color::error_prefix(), format!($($arg)*));
+        #[cfg(feature = "tracing")]
+        tracing::error!($($arg)*);
+    }};
+}
+
+#[macro_export]
+macro_rules! debug {
+    ($($arg:tt)*) => {{
+        #[cfg(feature = "logging")]
+        println!("{} {}", $crate::color::debug_prefix(), format!($($arg)*));
+        #[cfg(feature = "tracing")]
+        tracing::debug!($($arg)*);
+    }};
+}
+
+pub mod color {
+    #[cfg(feature = "logging")]
+    pub fn info_prefix() -> String {
+        ansi_term::Colour::Green.paint("[INFO]").to_string()
+    }
+
+    #[cfg(feature = "logging")]
+    pub fn warn_prefix() -> String {
+        ansi_term::Colour::Yellow.paint("[WARN]").to_string()
+    }
+
+    #[cfg(feature = "logging")]
+    pub fn error_prefix() -> String {
+        ansi_term::Colour::Red.paint("[ERROR]").to_string()
+    }
+
+    #[cfg(feature = "logging")]
+    pub fn debug_prefix() -> String {
+        ansi_term::Colour::Blue.paint("[DEBUG]").to_string()
+    }
+}