escape objc special word with var

modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/ObjcClientCodegen.java

@@ -34,6 +34,7 @@ public class ObjcClientCodegen extends DefaultCodegen implements CodegenConfig {
     protected String authorEmail = "apiteam@swagger.io";
     protected String license = "MIT";
     protected String gitRepoURL = "https://github.com/swagger-api/swagger-codegen";
+    protected String[] specialWords = {"new", "copy"};
 
     public ObjcClientCodegen() {
         super();
@@ -86,6 +87,7 @@ public class ObjcClientCodegen extends DefaultCodegen implements CodegenConfig {
         typeMapping.put("object", "NSObject");
         typeMapping.put("file", "NSURL");
 
+
         // ref: http://www.tutorialspoint.com/objective_c/objective_c_basic_syntax.htm
         reservedWords = new HashSet<String>(
                 Arrays.asList(
@@ -375,6 +377,12 @@ public class ObjcClientCodegen extends DefaultCodegen implements CodegenConfig {
             return name;
         }
 
+        // if name starting with special word, escape with '_'
+        for(int i =0; i < specialWords.length; i++) {
+            if (name.matches("(?i:^" + specialWords[i] + ".*)"))
+                name = escapeSpecialWord(name);
+        }
+
         // camelize (lower first character) the variable name
         // e.g. `pet_id` to `petId`
         name = camelize(name, true);
@@ -384,6 +392,7 @@ public class ObjcClientCodegen extends DefaultCodegen implements CodegenConfig {
             name = escapeReservedWord(name);
         }
 
+
         return name;
     }
 
@@ -397,6 +406,10 @@ public class ObjcClientCodegen extends DefaultCodegen implements CodegenConfig {
         return "_" + name;
     }
 
+    public String escapeSpecialWord(String name) {
+        return "var_" + name;
+    }
+
     @Override
     public String toOperationId(String operationId) {
         // throw exception if method name is empty

modules/swagger-codegen/src/test/resources/2_0/petstore.json

@@ -944,6 +944,14 @@
           "type": "integer",
           "format": "int64"
         },
+        "CopyPassword": {
+          "type": "integer",
+          "format": "int64"
+        },
+        "newPassword": {
+          "type": "integer",
+          "format": "int64"
+        },
         "petId": {
           "type": "integer",
           "format": "int64"

samples/client/petstore/objc/SwaggerClient/SWGOrder.h

@@ -17,6 +17,10 @@
 
 @property(nonatomic) NSNumber* _id;
 
+@property(nonatomic) NSNumber* varCopyPassword;
+
+@property(nonatomic) NSNumber* varNewPassword;
+
 @property(nonatomic) NSNumber* petId;
 
 @property(nonatomic) NSNumber* quantity;

samples/client/petstore/objc/SwaggerClient/SWGOrder.m

@@ -8,7 +8,7 @@
  */
 + (JSONKeyMapper *)keyMapper
 {
-  return [[JSONKeyMapper alloc] initWithDictionary:@{ @"id": @"_id", @"petId": @"petId", @"quantity": @"quantity", @"shipDate": @"shipDate", @"status": @"status", @"complete": @"complete" }];
+  return [[JSONKeyMapper alloc] initWithDictionary:@{ @"id": @"_id", @"CopyPassword": @"varCopyPassword", @"newPassword": @"varNewPassword", @"petId": @"petId", @"quantity": @"quantity", @"shipDate": @"shipDate", @"status": @"status", @"complete": @"complete" }];
 }
 
 /**
@@ -18,7 +18,7 @@
  */
 + (BOOL)propertyIsOptional:(NSString *)propertyName
 {
-  NSArray *optionalProperties = @[@"_id", @"petId", @"quantity", @"shipDate", @"status", @"complete"];
+  NSArray *optionalProperties = @[@"_id", @"varCopyPassword", @"varNewPassword", @"petId", @"quantity", @"shipDate", @"status", @"complete"];
 
   if ([optionalProperties containsObject:propertyName]) {
     return YES;

samples/client/petstore/objc/SwaggerClient/SWGPetApi.m

@@ -450,7 +450,7 @@ static SWGPetApi* singletonAPI = nil;
     NSString *requestContentType = [SWGApiClient selectHeaderContentType:@[]];
 
     // Authentication setting
-    NSArray *authSettings = @[@"api_key", @"petstore_auth"];
+    NSArray *authSettings = @[@"api_key"];
 
     id bodyParam = nil;
     NSMutableDictionary *formParams = [[NSMutableDictionary alloc] init];