2 Copyright (C) 2000-2003 SKYRIX Software AG
4 This file is part of OGo
6 OGo is free software; you can redistribute it and/or modify it under
7 the terms of the GNU Lesser General Public License as published by the
8 Free Software Foundation; either version 2, or (at your option) any
11 OGo is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
14 License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with OGo; see the file COPYING. If not, write to the
18 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
23 #ifndef __NGRuleEngine_NGRuleContext_H__
24 #define __NGRuleEngine_NGRuleContext_H__
26 #import <Foundation/NSObject.h>
31 This is a specialized rule evaluation object for key based (assignment)
32 rules. It exports evaluated rule values using key-value coding, thereby
33 giving a very simple access somewhat similiar to CSS.
36 @class NSString, NSArray, NSMutableDictionary;
39 @interface NGRuleContext : NSObject
41 NSMutableDictionary *storedValues;
46 + (id)ruleContextWithModelInUserDefault:(NSString *)_defName;
47 + (id)ruleContextWithModel:(NGRuleModel *)_model;
48 - (id)initWithModel:(NGRuleModel *)_model;
52 - (void)setModel:(NGRuleModel *)_model;
53 - (NGRuleModel *)model;
55 - (void)setDebugEnabled:(BOOL)_flag;
56 - (BOOL)isDebuggingEnabled;
60 - (void)takeStoredValue:(id)_value forKey:(NSString *)_key;
61 - (id)storedValueForKey:(NSString *)_key;
64 - (void)takeValue:(id)_value forKey:(NSString *)_key;
68 - (id)valueForKey:(NSString *)_key;
70 - (id)inferredValueForKey:(NSString *)_key;
72 - (NSArray *)valuesForKeyPath:(NSString *)_kp
73 takingSuccessiveValues:(NSArray *)_values
74 forKeyPath:(NSString *)_valkp;
78 #endif /* __NGRuleEngine_NGRuleContext_H__ */