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+//
+//  CJSONScanner.h
+//  TouchCode
+//
+//  Created by Jonathan Wight on 12/07/2005.
+//  Copyright 2005 toxicsoftware.com. All rights reserved.
+//
+//  Permission is hereby granted, free of charge, to any person
+//  obtaining a copy of this software and associated documentation
+//  files (the "Software"), to deal in the Software without
+//  restriction, including without limitation the rights to use,
+//  copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the
+//  Software is furnished to do so, subject to the following
+//  conditions:
+//
+//  The above copyright notice and this permission notice shall be
+//  included in all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+//  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+//  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+//  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+//  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+//  OTHER DEALINGS IN THE SOFTWARE.
+//
+
+#import "CDataScanner.h"
+
+enum {
+    kJSONScannerOptions_MutableContainers = 0x1,
+    kJSONScannerOptions_MutableLeaves = 0x2,
+};
+typedef NSUInteger EJSONScannerOptions;
+
+/// CDataScanner subclass that understands JSON syntax natively. You should generally use CJSONDeserializer instead of this class. (TODO - this could have been a category?)
+@interface CJSONScanner : CDataScanner {
+        BOOL strictEscapeCodes;
+    id nullObject;
+        NSStringEncoding allowedEncoding;
+    EJSONScannerOptions options;
+}
+
+@property (readwrite, nonatomic, assign) BOOL strictEscapeCodes;
+@property (readwrite, nonatomic, retain) id nullObject;
+@property (readwrite, nonatomic, assign) NSStringEncoding allowedEncoding;
+@property (readwrite, nonatomic, assign) EJSONScannerOptions options;
+
+- (BOOL)setData:(NSData *)inData error:(NSError **)outError;
+
+- (BOOL)scanJSONObject:(id *)outObject error:(NSError **)outError;
+- (BOOL)scanJSONDictionary:(NSDictionary **)outDictionary error:(NSError **)outError;
+- (BOOL)scanJSONArray:(NSArray **)outArray error:(NSError **)outError;
+- (BOOL)scanJSONStringConstant:(NSString **)outStringConstant error:(NSError **)outError;
+- (BOOL)scanJSONNumberConstant:(NSNumber **)outNumberConstant error:(NSError **)outError;
+
+@end
+
+extern NSString *const kJSONScannerErrorDomain /* = @"kJSONScannerErrorDomain" */;
+
+typedef enum {
+    
+    // Fundamental scanning errors
+    kJSONScannerErrorCode_NothingToScan = -11, 
+    kJSONScannerErrorCode_CouldNotDecodeData = -12, 
+    kJSONScannerErrorCode_CouldNotSerializeData = -13,
+    kJSONScannerErrorCode_CouldNotSerializeObject = -14, 
+    kJSONScannerErrorCode_CouldNotScanObject = -15, 
+    
+    // Dictionary scanning
+    kJSONScannerErrorCode_DictionaryStartCharacterMissing = -101, 
+    kJSONScannerErrorCode_DictionaryKeyScanFailed = -102, 
+    kJSONScannerErrorCode_DictionaryKeyNotTerminated = -103, 
+    kJSONScannerErrorCode_DictionaryValueScanFailed = -104, 
+    kJSONScannerErrorCode_DictionaryKeyValuePairNoDelimiter = -105, 
+    kJSONScannerErrorCode_DictionaryNotTerminated = -106, 
+    
+    // Array scanning
+    kJSONScannerErrorCode_ArrayStartCharacterMissing = -201, 
+    kJSONScannerErrorCode_ArrayValueScanFailed = -202, 
+    kJSONScannerErrorCode_ArrayValueIsNull = -203, 
+    kJSONScannerErrorCode_ArrayNotTerminated = -204,
+    
+    // String scanning
+    kJSONScannerErrorCode_StringNotStartedWithBackslash = -301, 
+    kJSONScannerErrorCode_StringUnicodeNotDecoded = -302, 
+    kJSONScannerErrorCode_StringUnknownEscapeCode = -303, 
+    kJSONScannerErrorCode_StringNotTerminated = -304,
+    
+    // Number scanning
+    kJSONScannerErrorCode_NumberNotScannable = -401
+    
+} EJSONScannerErrorCode;