feat: add soap core domain model

crates/crank-schema/src/lib.rs

@@ -4,4 +4,4 @@ mod normalize;
 mod validate;
 
 pub use error::SchemaError;
-pub use model::{Schema, SchemaKind};
+pub use model::{Schema, SchemaKind, XmlNodeKind, XmlQualifiedName, XmlSchemaBinding};

crates/crank-schema/src/model.rs

@@ -3,6 +3,33 @@ use std::collections::BTreeMap;
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
 
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum XmlNodeKind {
+    Element,
+    Attribute,
+    Text,
+}
+
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
+pub struct XmlQualifiedName {
+    pub local_name: String,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub namespace_uri: Option<String>,
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub prefix: Option<String>,
+}
+
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
+pub struct XmlSchemaBinding {
+    pub node_kind: XmlNodeKind,
+    pub name: XmlQualifiedName,
+    #[serde(default)]
+    pub repeated: bool,
+    #[serde(default)]
+    pub nillable: bool,
+}
+
 #[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
 #[serde(rename_all = "snake_case")]
 pub enum SchemaKind {
@@ -72,7 +99,7 @@ impl Schema {
 mod tests {
     use std::collections::BTreeMap;
 
-    use super::{Schema, SchemaKind};
+    use super::{Schema, SchemaKind, XmlNodeKind, XmlQualifiedName, XmlSchemaBinding};
 
     #[test]
     fn object_schema_exposes_fields() {
@@ -175,4 +202,25 @@ mod tests {
         assert!(yaml.contains("type: object"));
         assert_eq!(restored, schema);
     }
+
+    #[test]
+    fn xml_schema_binding_roundtrips() {
+        let binding = XmlSchemaBinding {
+            node_kind: XmlNodeKind::Element,
+            name: XmlQualifiedName {
+                local_name: "CreateLeadRequest".to_owned(),
+                namespace_uri: Some("urn:crm".to_owned()),
+                prefix: Some("crm".to_owned()),
+            },
+            repeated: false,
+            nillable: true,
+        };
+
+        let value = serde_json::to_value(&binding).unwrap();
+        let restored: XmlSchemaBinding = serde_json::from_value(value.clone()).unwrap();
+
+        assert_eq!(value["node_kind"], "element");
+        assert_eq!(value["name"]["local_name"], "CreateLeadRequest");
+        assert_eq!(restored, binding);
+    }
 }