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64 lines
2 KiB
C
64 lines
2 KiB
C
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/* Interface for NSExpression for GNUStep
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Copyright (C) 2005 Free Software Foundation, Inc.
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Written by: Dr. H. Nikolaus Schaller
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Created: 2005
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This file is part of the GNUstep Base Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02111 USA.
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*/
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#ifndef __NSExpression_h_GNUSTEP_BASE_INCLUDE
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#define __NSExpression_h_GNUSTEP_BASE_INCLUDE
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#include <Foundation/NSPredicate.h>
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@class NSMutableDictionary;
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typedef enum _NSExpressionType
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{
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NSConstantValueExpressionType=0,
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NSEvaluatedObjectExpressionType,
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NSVariableExpressionType,
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NSKeyPathExpressionType,
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NSFunctionExpressionType
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} NSExpressionType;
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@interface NSExpression : NSObject <NSCoding, NSCopying>
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+ (NSExpression *) expressionForConstantValue: (id)obj;
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+ (NSExpression *) expressionForEvaluatedObject;
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+ (NSExpression *) expressionForFunction: (NSString *)name
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arguments: (NSArray *)args;
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+ (NSExpression *) expressionForKeyPath: (NSString *)path;
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+ (NSExpression *) expressionForVariable: (NSString *)string;
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- (NSArray *) arguments;
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- (id) constantValue;
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- (NSExpressionType) expressionType;
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- (id) expressionValueWithObject: (id)object
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context: (NSMutableDictionary *)context;
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- (NSString *) function;
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- (id) initWithExpressionType: (NSExpressionType) type;
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- (NSString *) keyPath;
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- (NSExpression *) operand;
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- (NSString *) variable;
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@end
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#endif /* __NSExpression_h_GNUSTEP_BASE_INCLUDE */
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