logic_deser: if_condition

crates/core/src/runtime/model/json/mod.rs

@@ -5,6 +5,7 @@ use serde_json::Value as JsonValue;
 
 pub mod deser;
 pub mod helpers;
+mod npdeser;
 
 #[derive(serde::Deserialize, Debug, PartialEq, Eq, PartialOrd, Ord, Clone)]
 pub struct RedPortConfig {

crates/core/src/runtime/model/json/npdeser.rs

@@ -0,0 +1,174 @@
+//! [npdeser] this mod use to de deserializer node logic properties transport to real logic.
+//!
+//! # example
+//! > this  appendNewline config is belong to node red core node [file], Used to determine whether
+//! > to wrap a file ,it's could It should be a boolean type, but the code logic allows it to be
+//! > any non undefined, true false 0 and 1, and any character ,and any str. so need this mod handle
+//! > this scene
+//! ```js
+//! this.appendNewline = n.appendNewline;
+//!
+//! if ((node.appendNewline) && (!Buffer.isBuffer(data)) && aflg) { data += os.EOL; }
+//! ```
+//!
+#![allow(dead_code)]
+use serde::de::{Error, Unexpected, Visitor};
+use serde::{de, Deserializer};
+use std::str;
+
+pub fn deser_bool_in_if_condition<'de, D>(deserializer: D) -> Result<bool, D::Error>
+where
+    D: Deserializer<'de>,
+{
+    struct BoolVisitor;
+
+    impl<'de> de::Visitor<'de> for BoolVisitor {
+        type Value = bool;
+        fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
+            formatter.write_str("a bool, convert failed")
+        }
+        fn visit_bytes<E>(self, v: &[u8]) -> Result<Self::Value, E>
+        where
+            E: Error,
+        {
+            match str::from_utf8(v) {
+                Ok(s) => {
+                    if let Some(value) = Self::convert_to_bool(s) {
+                        return value;
+                    }
+                    Ok(true)
+                }
+                Err(_) => Err(Error::invalid_value(Unexpected::Bool(false), &self)),
+            }
+        }
+        fn visit_u64<E>(self, v: u64) -> Result<Self::Value, E>
+        where
+            E: Error,
+        {
+            if v == 0 {
+                return Ok(false);
+            }
+            Ok(true)
+        }
+        fn visit_i64<E>(self, v: i64) -> Result<Self::Value, E>
+        where
+            E: Error,
+        {
+            if v == 0 {
+                return Ok(false);
+            }
+            Ok(true)
+        }
+        fn visit_u32<E>(self, v: u32) -> Result<Self::Value, E>
+        where
+            E: Error,
+        {
+            if v == 0 {
+                return Ok(false);
+            }
+            Ok(true)
+        }
+        fn visit_i32<E>(self, v: i32) -> Result<Self::Value, E>
+        where
+            E: Error,
+        {
+            if v == 0 {
+                return Ok(false);
+            }
+            Ok(true)
+        }
+
+        fn visit_f64<E>(self, v: f64) -> Result<Self::Value, E>
+        where
+            E: Error,
+        {
+            if v == 0.0 {
+                return Ok(false);
+            }
+            Ok(true)
+        }
+
+        fn visit_f32<E>(self, v: f32) -> Result<Self::Value, E>
+        where
+            E: Error,
+        {
+            if v == 0.0 {
+                return Ok(false);
+            }
+            Ok(true)
+        }
+
+        fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
+        where
+            E: Error,
+        {
+            if let Some(value) = Self::convert_to_bool(v) {
+                return value;
+            }
+            Ok(true)
+        }
+    }
+
+    impl BoolVisitor {
+        fn convert_to_bool<E>(v: &str) -> Option<Result<<BoolVisitor as Visitor>::Value, E>> where E: Error {
+             if v.is_empty()|| v == "0" || v.contains("false") || v.contains("False") || v.contains("FALSE") {
+                return Some(Ok(false));
+            }
+            None
+        }
+    }
+
+    deserializer.deserialize_any(BoolVisitor)
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use serde::Deserialize;
+    use serde_json::json;
+
+    #[derive(Deserialize, Debug)]
+    struct TestNodeConfig {
+        #[serde(deserialize_with = "crate::runtime::model::json::npdeser::deser_bool_in_if_condition")]
+        test: bool,
+    }
+
+    #[test]
+    fn test_deser_bool_in_if_condition() {
+        let value_str = json!({"test":"xxx"});
+        let result = TestNodeConfig::deserialize(value_str).unwrap();
+        assert!(result.test);
+
+        let value_str = json!({"test":"true"});
+        let result = TestNodeConfig::deserialize(value_str).unwrap();
+        assert!(result.test);
+
+        let value_str = json!({"test":"false"});
+        let result = TestNodeConfig::deserialize(value_str).unwrap();
+        assert!(!result.test);
+
+        let value_str = json!({"test":"False"});
+        let result = TestNodeConfig::deserialize(value_str).unwrap();
+        assert!(!result.test);
+
+        let value_str = json!({"test":"0"});
+        let result = TestNodeConfig::deserialize(value_str).unwrap();
+        assert!(!result.test);
+
+        let value_str = json!({"test":1.0});
+        let result = TestNodeConfig::deserialize(value_str).unwrap();
+        assert!(result.test);
+
+        let value_str = json!({"test":0.0});
+        let result = TestNodeConfig::deserialize(value_str).unwrap();
+        assert!(!result.test);
+
+        let value_str = json!({"test":0});
+        let result = TestNodeConfig::deserialize(value_str).unwrap();
+        assert!(!result.test);
+
+        let value_str = json!({"test":1});
+        let result = TestNodeConfig::deserialize(value_str).unwrap();
+        assert!(result.test);
+    }
+}