Minor intiialisation tweaks to match OSX

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@34423 72102866-910b-0410-8b05-ffd578937521

Source/NSXMLDTD.m

@@ -77,6 +77,11 @@ GS_PRIVATE_INTERNAL(NSXMLDTD)
   return nil;
 }
 
+- (id) init
+{
+  return [self initWithKind: NSXMLDTDKind options: 0];
+}
+
 - (id) initWithContentsOfURL: (NSURL*)url
                      options: (NSUInteger)mask
                        error: (NSError**)error

Source/NSXMLDocument.m

@@ -72,6 +72,11 @@ GS_PRIVATE_INTERNAL(NSXMLDocument)
   return internal->docType;
 }
 
+- (id) init
+{
+  return [self initWithKind: NSXMLDocumentKind options: 0];
+}
+
 - (id) initWithContentsOfURL: (NSURL*)url
                      options: (NSUInteger)mask
                        error: (NSError**)error
@@ -90,10 +95,21 @@ GS_PRIVATE_INTERNAL(NSXMLDocument)
             options: (NSUInteger)mask
               error: (NSError**)error
 {
+  if (NO == [data isKindOfClass: [NSData class]])
+    {
+      DESTROY(self);
+      if (nil == data)
+	{
+	  [NSException raise: NSInternalInconsistencyException
+		      format: @"[NSXMLDocument-%@] nil argument",
+	    NSStringFromSelector(_cmd)];
+	}
+      [NSException raise: NSInternalInconsistencyException
+		  format: @"[NSXMLDocument-%@] invalid argument",
+	NSStringFromSelector(_cmd)];
+    }
   GS_CREATE_INTERNAL(NSXMLDocument)
   if ((self = [super initWithKind: NSXMLDocumentKind options: 0]) != nil)
-    {
-      if (nil != data)
     {
       NSXMLParser *parser = [[NSXMLParser alloc] initWithData: data];
 
@@ -112,7 +128,6 @@ GS_PRIVATE_INTERNAL(NSXMLDocument)
 	  RELEASE(parser);
 	}
     }
-    }
   return self;
 }
 
@@ -137,7 +152,7 @@ GS_PRIVATE_INTERNAL(NSXMLDocument)
 		   element, 
 		   self];
     }
-  self = [self initWithData: nil options: 0 error: 0];
+  self = [self initWithKind: NSXMLDocumentKind options: 0];
   if (self != nil)
     {
       [self setRootElement: (NSXMLNode*)element];

Source/NSXMLElement.m

@@ -42,11 +42,28 @@ GS_PRIVATE_INTERNAL(NSXMLElement)
   [super dealloc];
 }
 
+- (id) init
+{
+  return [self initWithKind: NSXMLElementKind options: 0];
+}
+
 - (id) initWithName: (NSString*)name
 {
   return [self initWithName: name URI: nil];
 }
 
+- (id) initWithKind: (NSXMLNodeKind)kind options: (NSUInteger)theOptions
+{
+  if (NSXMLElementKind == kind)
+    {
+      /* Create holder for internal instance variables so that we'll have
+       * all our ivars available rather than just those of the superclass.
+       */
+      GS_CREATE_INTERNAL(NSXMLElement)
+    }
+  return [super initWithKind: kind options: theOptions];
+}
+
 - (id) initWithName: (NSString*)name URI: (NSString*)URI
 {
   /* Create holder for internal instance variables so that we'll have
@@ -71,18 +88,6 @@ GS_PRIVATE_INTERNAL(NSXMLElement)
   return nil;
 }
 
-- (id) initWithKind: (NSXMLNodeKind)kind options: (NSUInteger)theOptions
-{
-  if (NSXMLElementKind == kind)
-    {
-      /* Create holder for internal instance variables so that we'll have
-       * all our ivars available rather than just those of the superclass.
-       */
-      GS_CREATE_INTERNAL(NSXMLElement)
-    }
-  return [super initWithKind: kind options: theOptions];
-}
-
 - (id) initWithXMLString: (NSString*)string error: (NSError**)error
 {
   [self notImplemented: _cmd];