Basic implementation of NSPredicate and related classes

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@22880 72102866-910b-0410-8b05-ffd578937521

Headers/Foundation/NSComparisonPredicate.h

@@ -0,0 +1,97 @@
+/* Interface for NSComparisonPredicate for GNUStep
+   Copyright (C) 2005 Free Software Foundation, Inc.
+
+   Written by:  Dr. H. Nikolaus Schaller
+   Created: 2005
+   
+   This file is part of the GNUstep Base Library.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+   
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02111 USA.
+   */ 
+
+#ifndef __NSComparisonPredicate_h_GNUSTEP_BASE_INCLUDE
+#define __NSComparisonPredicate_h_GNUSTEP_BASE_INCLUDE
+
+#include <Foundation/NSExpression.h>
+#include <Foundation/NSPredicate.h>
+
+typedef enum _NSComparisonPredicateModifier
+{
+  NSDirectPredicateModifier=0,
+  NSAllPredicateModifier,
+  NSAnyPredicateModifier,
+} NSComparisonPredicateModifier;
+
+typedef enum _NSComparisonPredicateOptions
+{
+  NSCaseInsensitivePredicateOption=0x01,
+  NSDiacriticInsensitivePredicateOption=0x02,
+} NSComparisonPredicateOptions;
+
+typedef enum _NSPredicateOperatorType
+{
+  NSLessThanPredicateOperatorType = 0,
+  NSLessThanOrEqualToPredicateOperatorType,
+  NSGreaterThanPredicateOperatorType,
+  NSGreaterThanOrEqualToPredicateOperatorType,
+  NSEqualToPredicateOperatorType,
+  NSNotEqualToPredicateOperatorType,
+  NSMatchesPredicateOperatorType,
+  NSLikePredicateOperatorType,
+  NSBeginsWithPredicateOperatorType,
+  NSEndsWithPredicateOperatorType,
+  NSInPredicateOperatorType,
+  NSCustomSelectorPredicateOperatorType
+} NSPredicateOperatorType;
+
+@interface NSComparisonPredicate : NSPredicate
+{
+  NSComparisonPredicateModifier	_modifier;
+  SEL				_selector;
+  unsigned			_options;
+  NSPredicateOperatorType	_type;
+  @public
+  NSExpression			*_left;
+  NSExpression			*_right;
+}
+
++ (NSPredicate *) predicateWithLeftExpression: (NSExpression *)left
+			      rightExpression: (NSExpression *)right
+			       customSelector: (SEL)sel;
++ (NSPredicate *) predicateWithLeftExpression: (NSExpression *)left
+  rightExpression: (NSExpression *)right
+  modifier: (NSComparisonPredicateModifier)modifier
+  type: (NSPredicateOperatorType)type
+  options: (unsigned) opts;
+
+- (NSComparisonPredicateModifier) comparisonPredicateModifier;
+- (SEL) customSelector;
+- (NSPredicate *) initWithLeftExpression: (NSExpression *)left
+			 rightExpression: (NSExpression *)right
+			  customSelector: (SEL)sel;
+- (id) initWithLeftExpression: (NSExpression *)left
+	      rightExpression: (NSExpression *)right
+		     modifier: (NSComparisonPredicateModifier)modifier
+			 type: (NSPredicateOperatorType)type
+		      options: (unsigned) opts;
+- (NSExpression *) leftExpression;
+- (unsigned) options;
+- (NSPredicateOperatorType) predicateOperatorType;
+- (NSExpression *) rightExpression;
+
+@end
+
+#endif