implement Debug for dexstring manually to show text when possible

androscalpel/src/dex_string.rs

@@ -10,9 +10,36 @@ use pyo3::exceptions::PyTypeError;
 use pyo3::prelude::*;
 
 #[pyclass]
-#[derive(Clone, PartialEq, Eq, Debug, Ord, PartialOrd)]
+#[derive(Clone, PartialEq, Eq, Ord, PartialOrd)]
 pub struct DexString(pub androscalpel_serializer::StringDataItem);
 
+impl std::fmt::Debug for DexString {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> Result<(), std::fmt::Error> {
+        if let Ok(string) = TryInto::<String>::try_into(self) {
+            f.write_str(&format!(
+                "DexString({}, {:#x})",
+                string, self.0.utf16_size.0
+            ))
+            /*
+            f.debug_tuple("DexString")
+                .field(&string)
+                .field(&self.0.utf16_size.0)
+                .finish()
+            */
+        } else {
+            f.write_str(&format!(
+                "DexString({:?}, {:#x})",
+                self.0.data, self.0.utf16_size.0
+            ))
+            /*f.debug_tuple("DexString")
+                .field(&self.0.data)
+                .field(&self.0.utf16_size.0)
+                .finish()
+            */
+        }
+    }
+}
+
 impl Serialize for DexString {
     fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
     where
@@ -41,7 +68,7 @@ enum SerdeDexString {
 impl From<&DexString> for SerdeDexString {
     fn from(DexString(string): &DexString) -> Self {
         if let Ok(string) = string.try_into() {
-            SerdeDexString::String(string)
+            SerdeDexString::String(string) // TODO: utf16_size is remove, is this ok?
         } else {
             let androscalpel_serializer::StringDataItem {
                 data,