init

src/ast.rs

@@ -0,0 +1,94 @@
+#![allow(dead_code)]
+
+#[derive(Debug, Clone, Copy, PartialEq)]
+pub enum NodeId {
+    Element(u32),
+    Directive(u32),
+}
+
+#[derive(Debug, Clone, PartialEq)]
+pub enum Value {
+    String(String),
+    Int(i64),
+    Float(f64),
+    Bool(bool),
+    Color(String),
+    FsPath(String),
+    Variable(String),
+    Rhei(String),
+}
+
+#[derive(Debug, Clone)]
+pub enum Directive {
+    Version(i64),
+    Style(String),
+    Global {
+        name: String,
+        value: Value,
+    },
+    Singleton {
+        name: String,
+        prop_span: (u32, u32),
+    },
+    Component {
+        name: String,
+        params: Vec<(String, String)>,
+        child_span: (u32, u32),
+    },
+    Let {
+        name: String,
+        value: Value,
+    },
+    If {
+        condition: Value,
+        child_span: (u32, u32),
+        else_span: Option<(u32, u32)>,
+    },
+    Each {
+        item: String,
+        collection: Value,
+        child_span: (u32, u32),
+    },
+    On {
+        event: String,
+        args: Vec<(String, Value)>,
+        child_span: (u32, u32),
+    },
+    RheiBlock(String),
+}
+
+#[derive(Debug, Default)]
+pub struct ModuleSoA {
+    pub elem_types: Vec<String>,
+    pub elem_prop_spans: Vec<(u32, u32)>,
+    pub elem_child_spans: Vec<(u32, u32)>,
+    pub elem_content: Vec<Option<Value>>,
+
+    pub prop_keys: Vec<String>,
+    pub prop_values: Vec<Value>,
+
+    pub directives: Vec<Directive>,
+
+    pub hierarchy: Vec<NodeId>,
+}
+
+impl ModuleSoA {
+    pub fn new() -> Self {
+        Self::default()
+    }
+
+    pub fn push_element(&mut self, typ: String) -> u32 {
+        let id = self.elem_types.len() as u32;
+        self.elem_types.push(typ);
+        self.elem_prop_spans.push((0, 0));
+        self.elem_child_spans.push((0, 0));
+        self.elem_content.push(None);
+        id
+    }
+
+    pub fn push_directive(&mut self, dir: Directive) -> u32 {
+        let id = self.directives.len() as u32;
+        self.directives.push(dir);
+        id
+    }
+}