WIP multi embedders

fixed template bugs

milli/src/prompt/template_checker.rs

@@ -1,7 +1,7 @@
 use liquid::model::{
     ArrayView, DisplayCow, KStringCow, ObjectRender, ObjectSource, State, Value as LiquidValue,
 };
-use liquid::{ObjectView, ValueView};
+use liquid::{Object, ObjectView, ValueView};
 
 #[derive(Debug)]
 pub struct TemplateChecker;
@@ -31,11 +31,11 @@ impl ObjectView for DummyField {
     }
 
     fn values<'k>(&'k self) -> Box<dyn Iterator<Item = &'k dyn ValueView> + 'k> {
-        Box::new(std::iter::empty())
+        Box::new(vec![DUMMY_VALUE.as_view(), DUMMY_VALUE.as_view()].into_iter())
     }
 
     fn iter<'k>(&'k self) -> Box<dyn Iterator<Item = (KStringCow<'k>, &'k dyn ValueView)> + 'k> {
-        Box::new(std::iter::empty())
+        Box::new(self.keys().zip(self.values()))
     }
 
     fn contains_key(&self, index: &str) -> bool {
@@ -69,7 +69,12 @@ impl ValueView for DummyField {
     }
 
     fn query_state(&self, state: State) -> bool {
-        DUMMY_VALUE.query_state(state)
+        match state {
+            State::Truthy => true,
+            State::DefaultValue => false,
+            State::Empty => false,
+            State::Blank => false,
+        }
     }
 
     fn to_kstr(&self) -> KStringCow<'_> {
@@ -77,7 +82,10 @@ impl ValueView for DummyField {
     }
 
     fn to_value(&self) -> LiquidValue {
-        LiquidValue::Nil
+        let mut this = Object::new();
+        this.insert("name".into(), LiquidValue::Nil);
+        this.insert("value".into(), LiquidValue::Nil);
+        LiquidValue::Object(this)
     }
 
     fn as_object(&self) -> Option<&dyn ObjectView> {
@@ -103,7 +111,12 @@ impl ValueView for DummyFields {
     }
 
     fn query_state(&self, state: State) -> bool {
-        DUMMY_VALUE.query_state(state)
+        match state {
+            State::Truthy => true,
+            State::DefaultValue => false,
+            State::Empty => false,
+            State::Blank => false,
+        }
     }
 
     fn to_kstr(&self) -> KStringCow<'_> {
@@ -111,7 +124,7 @@ impl ValueView for DummyFields {
     }
 
     fn to_value(&self) -> LiquidValue {
-        LiquidValue::Nil
+        LiquidValue::Array(vec![DummyField.to_value()])
     }
 
     fn as_array(&self) -> Option<&dyn ArrayView> {
@@ -125,15 +138,15 @@ impl ArrayView for DummyFields {
     }
 
     fn size(&self) -> i64 {
-        i64::MAX
+        u16::MAX as i64
     }
 
     fn values<'k>(&'k self) -> Box<dyn Iterator<Item = &'k dyn ValueView> + 'k> {
-        Box::new(std::iter::empty())
+        Box::new(std::iter::once(DummyField.as_value()))
     }
 
-    fn contains_key(&self, _index: i64) -> bool {
-        true
+    fn contains_key(&self, index: i64) -> bool {
+        index < self.size()
     }
 
     fn get(&self, _index: i64) -> Option<&dyn ValueView> {
@@ -167,7 +180,8 @@ impl ObjectView for DummyDoc {
     }
 
     fn get<'s>(&'s self, _index: &str) -> Option<&'s dyn ValueView> {
-        Some(DUMMY_VALUE.as_view())
+        // Recursively sends itself
+        Some(self)
     }
 }
 
@@ -189,7 +203,12 @@ impl ValueView for DummyDoc {
     }
 
     fn query_state(&self, state: State) -> bool {
-        DUMMY_VALUE.query_state(state)
+        match state {
+            State::Truthy => true,
+            State::DefaultValue => false,
+            State::Empty => false,
+            State::Blank => false,
+        }
     }
 
     fn to_kstr(&self) -> KStringCow<'_> {