Add CLI option

Author: Levilutz

docs/generators/rust.md

@@ -30,6 +30,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |reqwestDefaultFeatures|Default features for the reqwest dependency (comma-separated). Use empty for no defaults. This option is for 'reqwest' and 'reqwest-trait' library only.| |native-tls|
 |supportAsync|If set, generate async function call instead. This option is for 'reqwest' library only| |true|
 |supportMiddleware|If set, add support for reqwest-middleware. This option is for 'reqwest' and 'reqwest-trait' library only| |false|
+|useSerdePathToError|If set, use the serde_path_to_error library to enhance serde error messages. This option is for 'reqwest' and 'reqwest-trait' library only| |false|
 |supportMultipleResponses|If set, return type wraps an enum of all possible 2xx schemas. This option is for 'reqwest' and 'reqwest-trait' library only| |false|
 |supportTokenSource|If set, add support for google-cloud-token. This option is for 'reqwest' and 'reqwest-trait' library only and requires the 'supportAsync' option| |false|
 |topLevelApiClient|Creates a top level `Api` trait and `ApiClient` struct that contain all Apis. This option is for 'reqwest-trait' library only| |false|

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/RustClientCodegen.java

@@ -52,6 +52,7 @@ public class RustClientCodegen extends AbstractRustCodegen implements CodegenCon
     @Setter(AccessLevel.PRIVATE) private boolean useSingleRequestParameter = false;
     @Setter(AccessLevel.PRIVATE) private boolean supportAsync = true;
     @Setter(AccessLevel.PRIVATE) private boolean supportMiddleware = false;
+    @Setter(AccessLevel.PRIVATE) private boolean useSerdePathToError = false;
     @Setter(AccessLevel.PRIVATE) private boolean supportTokenSource = false;
     private boolean supportMultipleResponses = false;
     private boolean withAWSV4Signature = false;
@@ -70,6 +71,7 @@ public class RustClientCodegen extends AbstractRustCodegen implements CodegenCon
     public static final String REQWEST_TRAIT_LIBRARY_ATTR = "reqwestTrait";
     public static final String SUPPORT_ASYNC = "supportAsync";
     public static final String SUPPORT_MIDDLEWARE = "supportMiddleware";
+    public static final String USE_SERDE_PATH_TO_ERROR = "useSerdePathToError";
     public static final String SUPPORT_TOKEN_SOURCE = "supportTokenSource";
     public static final String SUPPORT_MULTIPLE_RESPONSES = "supportMultipleResponses";
     public static final String PREFER_UNSIGNED_INT = "preferUnsignedInt";
@@ -410,6 +412,11 @@ public void processOpts() {
         }
         writePropertyBack(SUPPORT_MIDDLEWARE, getSupportMiddleware());
 
+        if (additionalProperties.containsKey(USE_SERDE_PATH_TO_ERROR)) {
+            this.setUseSerdePathToError(convertPropertyToBoolean(USE_SERDE_PATH_TO_ERROR));
+        }
+        writePropertyBack(USE_SERDE_PATH_TO_ERROR, getUseSerdePathToError());
+
         if (additionalProperties.containsKey(SUPPORT_TOKEN_SOURCE)) {
             this.setSupportTokenSource(convertPropertyToBoolean(SUPPORT_TOKEN_SOURCE));
         }
@@ -527,6 +534,10 @@ private boolean getSupportMiddleware() {
         return supportMiddleware;
     }
 
+    private boolean getUseSerdePathToError() {
+        return useSerdePathToError;
+    }
+
     private boolean getSupportTokenSource() {
         return supportTokenSource;
     }