xml-to-wire: add new utility

xml-to-wire/src/ast.rs

@@ -0,0 +1,80 @@
+pub(crate) struct Protocol {
+    pub(crate) _name: String,
+    pub(crate) _copyright: Option<Copyright>,
+    pub(crate) _description: Option<Description>,
+    pub(crate) interfaces: Vec<Interface>,
+}
+
+pub(crate) struct Copyright {
+    pub(crate) _body: String,
+}
+
+#[derive(Debug)]
+pub(crate) struct Description {
+    pub(crate) _summary: Option<String>,
+    pub(crate) _body: String,
+}
+
+pub(crate) struct Interface {
+    pub(crate) name: String,
+    pub(crate) _version: u32,
+    pub(crate) _description: Option<Description>,
+    pub(crate) messages: Vec<Message>,
+    pub(crate) _enums: Vec<Enum>,
+}
+
+#[derive(Debug)]
+pub(crate) struct Arg {
+    pub(crate) name: String,
+    pub(crate) ty: ArgType,
+    pub(crate) _summary: Option<String>,
+    pub(crate) _description: Option<Description>,
+    pub(crate) interface: Option<String>,
+    pub(crate) allow_null: bool,
+    pub(crate) enum_: Option<String>,
+}
+
+#[derive(Copy, Clone, Debug, PartialEq)]
+pub(crate) enum ArgType {
+    NewId,
+    Int,
+    Uint,
+    Fixed,
+    String,
+    Object,
+    Array,
+    Fd,
+}
+
+#[derive(Copy, Clone, Debug, PartialEq)]
+pub(crate) enum MessageType {
+    Destructor,
+}
+
+pub(crate) struct Entry {
+    pub(crate) _name: String,
+    pub(crate) _value: String,
+    pub(crate) _value_u32: u32,
+    pub(crate) _summary: Option<String>,
+    pub(crate) _since: Option<u32>,
+    pub(crate) _deprecated_since: Option<u32>,
+    pub(crate) _description: Option<Description>,
+}
+
+pub(crate) struct Enum {
+    pub(crate) _name: String,
+    pub(crate) _since: Option<u32>,
+    pub(crate) _bitfield: bool,
+    pub(crate) _description: Option<Description>,
+    pub(crate) _entries: Vec<Entry>,
+}
+
+pub(crate) struct Message {
+    pub(crate) name: String,
+    pub(crate) request: bool,
+    pub(crate) ty: Option<MessageType>,
+    pub(crate) since: Option<u32>,
+    pub(crate) _deprecated_since: Option<u32>,
+    pub(crate) _description: Option<Description>,
+    pub(crate) args: Vec<Arg>,
+}