Model and render elements

2024-11-26 19:38:55 +01:00 · 2024-11-26 19:38:55 +01:00 · cc3f85e6e1
commit cc3f85e6e1
parent c8d9cf16f5
5 changed files with 694 additions and 0 deletions
--- a/src/element.rs
+++ b/src/element.rs
@ -0,0 +1,92 @@
+use std::collections::BTreeMap;
+
+/// <https://html.spec.whatwg.org/multipage/syntax.html#elements-2>
+#[derive(Clone, Copy, PartialEq, Eq)]
+pub enum ElementKind {
+    Void,
+    Template,
+    RawText,
+    EscapableRawText,
+    Foreign,
+    Normal,
+}
+
+pub enum Content {
+    Raw(String),
+    Text(String),
+    Comment(String),
+    Element(Element),
+}
+
+impl Content {
+    pub fn raw(str: impl ToString) -> Self {
+        Self::Raw(str.to_string())
+    }
+
+    pub fn text(str: impl ToString) -> Self {
+        Self::Text(str.to_string())
+    }
+
+    pub fn comment(str: impl ToString) -> Self {
+        Self::Comment(str.to_string())
+    }
+
+    pub fn doctype() -> Self {
+        Self::raw("<!DOCTYPE html>")
+    }
+}
+
+impl From<String> for Content {
+    fn from(value: String) -> Self {
+        Self::text(value)
+    }
+}
+
+impl From<&str> for Content {
+    fn from(value: &str) -> Self {
+        Self::text(value)
+    }
+}
+
+impl From<Element> for Content {
+    fn from(value: Element) -> Self {
+        Self::Element(value)
+    }
+}
+
+pub struct Element {
+    pub name: String,
+    pub kind: ElementKind,
+    pub attributes: BTreeMap<String, String>,
+    pub children: Vec<Content>,
+}
+
+impl Element {
+    pub fn new(name: impl ToString, kind: ElementKind) -> Self {
+        Self {
+            name: name.to_string().to_ascii_lowercase(),
+            kind,
+            attributes: BTreeMap::new(),
+            children: vec![],
+        }
+    }
+
+    pub fn normal(name: impl ToString) -> Self {
+        Self::new(name, ElementKind::Normal)
+    }
+
+    pub fn attr(mut self, name: impl ToString, value: impl ToString) -> Self {
+        self.attributes
+            .insert(name.to_string().to_ascii_lowercase(), value.to_string());
+        self
+    }
+
+    pub fn attr_true(self, name: impl ToString) -> Self {
+        self.attr(name, "")
+    }
+
+    pub fn child(mut self, child: impl Into<Content>) -> Self {
+        self.children.push(child.into());
+        self
+    }
+}