Upload spectral-core/src/cell.rs

spectral-core/src/cell.rs

@@ -0,0 +1,54 @@
+use bitflags::bitflags;
+
+/// A single terminal cell.
+#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]
+pub struct Cell {
+    /// Unicode scalar value or special sentinel.
+    pub ch: char,
+    /// Foreground color.
+    pub fg: u32,
+    /// Background color.
+    pub bg: u32,
+    /// Cell flags (bold, italic, underline, etc.).
+    pub flags: CellFlags,
+    /// Extra data index (e.g. hyperlink id).
+    pub extra: u32,
+}
+
+bitflags! {
+    #[derive(Clone, Copy, Debug, Default, PartialEq, Eq, Hash)]
+    pub struct CellFlags: u16 {
+        const BOLD       = 0x0001;
+        const ITALIC     = 0x0002;
+        const UNDERLINE  = 0x0004;
+        const STRIKETHROUGH = 0x0008;
+        const WIDE       = 0x0010;
+        const WIDE_SPACER = 0x0020;
+        const COLORED    = 0x0040;
+        const REVERSE    = 0x0080;
+        const HIDDEN     = 0x0100;
+        const BLINK      = 0x0200;
+        const CURSOR     = 0x0400;
+        const SELECTED   = 0x0800;
+    }
+}
+
+impl Cell {
+    pub fn new(ch: char) -> Self {
+        Self {
+            ch,
+            fg: 0xFF_FFFFFF,
+            bg: 0xFF_000000,
+            flags: CellFlags::empty(),
+            extra: 0,
+        }
+    }
+
+    pub fn is_empty(&self) -> bool {
+        self.ch == '\0' || self.ch == ' '
+    }
+
+    pub fn reset(&mut self) {
+        *self = Self::default();
+    }
+}