Adding null color

Author: acheron2302

crates/libmwemu/src/emu/utils/mod.rs

@@ -0,0 +1,84 @@
+use std::sync::atomic::{AtomicBool, Ordering};
+
+static COLOR_ENABLED: AtomicBool = AtomicBool::new(true);
+
+pub fn disable_color() {
+    COLOR_ENABLED.store(false, Ordering::Relaxed);
+}
+
+pub fn enable_color() {
+    COLOR_ENABLED.store(true, Ordering::Relaxed);
+}
+
+#[inline]
+fn color_enabled() -> bool {
+    COLOR_ENABLED.load(Ordering::Relaxed)
+}
+
+#[macro_export]
+macro_rules! color {
+    ("Black") => {
+        if $crate::color_enabled() { "\x1b[0;30m" } else { "" }
+    };
+    ("Red") => {
+        if $crate::color_enabled() { "\x1b[0;31m" } else { "" }
+    };
+    ("Green") => {
+        if $crate::color_enabled() { "\x1b[0;32m" } else { "" }
+    };
+    ("Orange") => {
+        if $crate::color_enabled() { "\x1b[0;33m" } else { "" }
+    };
+    ("Blue") => {
+        if $crate::color_enabled() { "\x1b[0;34m" } else { "" }
+    };
+    ("Purple") => {
+        if $crate::color_enabled() { "\x1b[0;35m" } else { "" }
+    };
+    ("Cyan") => {
+        if $crate::color_enabled() { "\x1b[0;36m" } else { "" }
+    };
+    ("LightGray") => {
+        if $crate::color_enabled() { "\x1b[0;37m" } else { "" }
+    };
+    ("DarkGray") => {
+        if $crate::color_enabled() { "\x1b[1;30m" } else { "" }
+    };
+    ("LightRed") => {
+        if $crate::color_enabled() { "\x1b[1;31m" } else { "" }
+    };
+    ("LightGreen") => {
+        if $crate::color_enabled() { "\x1b[1;32m" } else { "" }
+    };
+    ("Yellow") => {
+        if $crate::color_enabled() { "\x1b[1;33m" } else { "" }
+    };
+    ("LightBlue") => {
+        if $crate::color_enabled() { "\x1b[1;34m" } else { "" }
+    };
+    ("LightPurple") => {
+        if $crate::color_enabled() { "\x1b[1;35m" } else { "" }
+    };
+    ("LightCyan") => {
+        if $crate::color_enabled() { "\x1b[1;36m" } else { "" }
+    };
+    ("White") => {
+        if $crate::color_enabled() { "\x1b[1;37m" } else { "" }
+    };
+    ("nc") => {
+        if $crate::color_enabled() { "\x1b[0m" } else { "" }
+    };
+    ("ClearScreen") => {
+        if $crate::color_enabled() { "\x1bc" } else { "" }
+    };
+    ($unknown:tt) => {
+        compile_error!(concat!(
+            "Unknown color name: '",
+            $unknown,
+            "'. Valid options are: \
+            Black, Red, Green, Orange, Blue, Purple, Cyan, LightGray, \
+            DarkGray, LightRed, LightGreen, Yellow, LightBlue, \
+            LightPurple, LightCyan, White, nc, ClearScreen"
+        ))
+    };
+}