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Merge pull request #410 from gnustep/NSExpression_branch
This commit is contained in:
Gregory Casamento
GitHub
commit
ced4cd0531
4 changed files with 432 additions and 29 deletions
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@ -3,24 +3,24 @@
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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 Lesser 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser 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 02110 USA.
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*/
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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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@ -40,12 +40,26 @@ extern "C" {
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enum
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{
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NSConstantValueExpressionType=0,
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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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NSKeyPathCompositionExpressionType
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NSKeyPathCompositionExpressionType,
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#if OS_API_VERSION(MAC_OS_X_VERSION_10_5, GS_API_LATEST)
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NSUnionSetExpressionType,
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NSIntersectSetExpressionType,
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NSMinusSetExpressionType,
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NSSubqueryExpressionType = 13,
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NSAggregateExpressionType = 14,
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#endif
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#if OS_API_VERSION(MAC_OS_X_VERSION_10_9, GS_API_LATEST)
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NSAnyKeyExpressionType = 15,
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#endif
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NSBlockExpressionType = 19,
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#if OS_API_VERSION(MAC_OS_X_VERSION_10_11, GS_API_LATEST)
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NSConditionalExpressionType = 20
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#endif
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};
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typedef NSUInteger NSExpressionType;
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@ -64,6 +78,24 @@ GS_EXPORT_CLASS
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+ (NSExpression *) expressionForKeyPath: (NSString *)path;
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+ (NSExpression *) expressionForVariable: (NSString *)string;
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#if OS_API_VERSION(MAC_OS_X_VERSION_10_5, GS_API_LATEST)
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+ (NSExpression *) expressionForIntersectSet: (NSExpression *)left
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with: (NSExpression *)right;
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+ (NSExpression *) expressionForAggregate: (NSArray *)subExpressions;
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+ (NSExpression *) expressionForUnionSet: (NSExpression *)left
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with: (NSExpression *)right;
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+ (NSExpression *) expressionForMinusSet: (NSExpression *)left
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with: (NSExpression *)right;
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#endif
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#if OS_API_VERSION(MAC_OS_X_VERSION_10_6, GS_API_LATEST)
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+ (NSExpression *) expressionWithFormat: (NSString *)format, ...;
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+ (NSExpression *) expressionWithFormat: (NSString *)format
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arguments: (va_list)args;
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+ (NSExpression *) expressionWithFormat: (NSString *)format
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argumentArray: (NSArray *)args;
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#endif
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- (NSArray *) arguments;
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- (id) constantValue;
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- (NSExpressionType) expressionType;
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@ -75,6 +107,11 @@ GS_EXPORT_CLASS
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- (NSExpression *) operand;
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- (NSString *) variable;
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#if OS_API_VERSION(MAC_OS_X_VERSION_10_5, GS_API_LATEST)
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- (id) collection;
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- (NSExpression *) leftExpression;
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- (NSExpression *) rightExpression;
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#endif
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@end
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#if defined(__cplusplus)
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@ -84,4 +121,3 @@ GS_EXPORT_CLASS
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#endif /* 100400 */
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#endif /* __NSExpression_h_GNUSTEP_BASE_INCLUDE */
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20
MISSING
20
MISSING
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@ -4,10 +4,6 @@ Missing macros:
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NS_ENUM_AVAILABLE_IOS
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NS_AVAILABLE_IOS
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Missing headers:
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==
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NONE
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-------------------------------------------------------------
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FoundationErrors:
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NSXPCConnectionInterrupted
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@ -159,26 +155,10 @@ NSException:
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NSExpression:
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@class NSPredicate
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NSUnionSetExpressionType
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NSIntersectSetExpressionType
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NSMinusSetExpressionType
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NSSubqueryExpressionType
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NSAggregateExpressionType
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+ expressionWithFormat:argumentArray:
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+ expressionWithFormat:
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+ expressionWithFormat:arguments:
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+ expressionForAggregate:
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+ expressionForUnionSet:with:
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+ expressionForIntersectSet:with
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+ expressionForMinusSet:with:
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+ expressionForSubquery:usingIteratorVariable:predicate:
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+ expressionForFunction:selectorName:arguments:
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+ expressionForBlock:arguments:
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- collection
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- predicate
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- leftExpression
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- rightExpression
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- expressionBlock
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-------------------------------------------------------------
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NSFileHandle:
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@ -48,6 +48,7 @@
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#import "Foundation/NSValue.h"
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#import "GSPrivate.h"
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#import "GSFastEnumeration.h"
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// For pow()
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#include <math.h>
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@ -141,6 +142,40 @@ extern void GSPropertyListMake(id,NSDictionary*,BOOL,BOOL,unsigned,id*);
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}
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@end
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@interface GSUnionSetExpression : NSExpression
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{
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@public
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NSExpression *_left;
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NSExpression *_right;
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}
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@end
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@interface GSIntersectSetExpression : NSExpression
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{
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@public
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NSExpression *_left;
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NSExpression *_right;
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}
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@end
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@interface GSMinusSetExpression : NSExpression
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{
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@public
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NSExpression *_left;
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NSExpression *_right;
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}
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@end
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@interface GSSubqueryExpression : NSExpression
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@end
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@interface GSAggregateExpression : NSExpression
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{
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@public
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id _collection;
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}
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@end
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@interface GSFunctionExpression : NSExpression
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{
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@public
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@ -1285,6 +1320,99 @@ GSICUStringMatchesRegex(NSString *string, NSString *regex, NSStringCompareOption
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return AUTORELEASE(e);
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}
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// 10.5 methods...
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+ (NSExpression *) expressionForIntersectSet: (NSExpression *)left
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with: (NSExpression *)right
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{
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GSIntersectSetExpression *e;
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e = [[GSIntersectSetExpression alloc]
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initWithExpressionType: NSIntersectSetExpressionType];
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ASSIGN(e->_left, left);
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ASSIGN(e->_right, right);
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return AUTORELEASE(e);
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}
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+ (NSExpression *) expressionForAggregate: (NSArray *)subExpressions
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{
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GSAggregateExpression *e;
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e = [[GSAggregateExpression alloc]
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initWithExpressionType: NSAggregateExpressionType];
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ASSIGN(e->_collection, [NSSet setWithArray: subExpressions]);
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return AUTORELEASE(e);
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}
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+ (NSExpression *) expressionForUnionSet: (NSExpression *)left
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with: (NSExpression *)right
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{
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GSUnionSetExpression *e;
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e = [[GSUnionSetExpression alloc]
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initWithExpressionType: NSUnionSetExpressionType];
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ASSIGN(e->_left, left);
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ASSIGN(e->_right, right);
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return AUTORELEASE(e);
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}
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+ (NSExpression *) expressionForMinusSet: (NSExpression *)left
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with: (NSExpression *)right
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{
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GSMinusSetExpression *e;
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e = [[GSMinusSetExpression alloc]
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initWithExpressionType: NSMinusSetExpressionType];
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ASSIGN(e->_left, left);
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ASSIGN(e->_right, right);
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return AUTORELEASE(e);
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}
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// end 10.5 methods
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// 10.6 methods...
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+ (NSExpression *) expressionWithFormat: (NSString *)format, ...
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{
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va_list ap;
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NSExpression *obj;
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if (NULL == format)
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{
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[NSException raise: NSInvalidArgumentException
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format: @"[NSExpression+expressionWithFormat:]: NULL format"];
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}
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va_start(ap, format);
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obj = [self expressionWithFormat: format
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arguments: ap];
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va_end(ap);
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return obj;
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}
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+ (NSExpression *) expressionWithFormat: (NSString *)format
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arguments: (va_list)args
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{
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NSString *expString = AUTORELEASE([[NSString alloc] initWithFormat: format
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arguments: args]);
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GSPredicateScanner *scanner = AUTORELEASE([[GSPredicateScanner alloc]
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initWithString: expString
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args: nil]);
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return [scanner parseExpression];
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}
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+ (NSExpression *) expressionWithFormat: (NSString *)format
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argumentArray: (NSArray *)args
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{
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GSPredicateScanner *scanner = AUTORELEASE([[GSPredicateScanner alloc]
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initWithString: format
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args: args]);
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return [scanner parseExpression];
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}
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// End 10.6 methods
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- (id) initWithExpressionType: (NSExpressionType)type
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{
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if ((self = [super init]) != nil)
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@ -1353,6 +1481,24 @@ GSICUStringMatchesRegex(NSString *string, NSString *regex, NSStringCompareOption
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return nil;
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}
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- (NSExpression *) leftExpression
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{
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[self subclassResponsibility: _cmd];
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return nil;
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}
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- (NSExpression *) rightExpression
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{
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[self subclassResponsibility: _cmd];
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return nil;
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}
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- (id) collection
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{
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[self subclassResponsibility: _cmd];
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return nil;
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}
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- (Class) classForCoder
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{
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return [NSExpression class];
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@ -1621,6 +1767,179 @@ GSICUStringMatchesRegex(NSString *string, NSString *regex, NSStringCompareOption
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right: right];
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}
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- (NSExpression *) leftExpression
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{
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return _left;
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}
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- (NSExpression *) rightExpression
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{
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return _right;
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}
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@end
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// Macro for checking set related expressions
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#define CHECK_SETS \
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do { \
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if ([rightValue isKindOfClass: [NSArray class]]) \
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{ \
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rightSet = [NSSet setWithArray: rightValue]; \
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} \
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if (!rightSet) \
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{ \
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[NSException raise: NSInvalidArgumentException \
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format: @"Can't evaluate set expression; right subexpression is not a set (lhs = %@ rhs = %@)", leftValue, rightValue]; \
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} \
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if ([leftValue isKindOfClass: [NSArray class]]) \
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{ \
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leftSet = [NSSet setWithArray: leftValue]; \
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} \
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if (!leftSet) \
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{ \
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[NSException raise: NSInvalidArgumentException \
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format: @"Can't evaluate set expression; left subexpression is not a set (lhs = %@ rhs = %@)", leftValue, rightValue]; \
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} \
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} while (0)
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@implementation GSUnionSetExpression
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- (NSString *) description
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{
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return [NSString stringWithFormat: @"%@.%@", _left, _right];
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}
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- (NSExpression *) leftExpression
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{
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return _left;
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}
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- (NSExpression *) rightExpression
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{
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return _right;
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}
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- (id) expressionValueWithObject: (id)object
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context: (NSMutableDictionary *)context
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{
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id leftValue = [_left expressionValueWithObject: object context: context];
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id rightValue = [_right expressionValueWithObject: object context: context];
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NSSet *leftSet = nil;
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NSSet *rightSet = nil;
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NSMutableSet *result = nil;
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CHECK_SETS;
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result = [NSMutableSet setWithSet: leftSet];
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[result unionSet: rightSet];
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return result;
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}
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|
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@end
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@implementation GSIntersectSetExpression
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- (NSString *) description
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{
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return [NSString stringWithFormat: @"%@.%@", _left, _right];
|
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}
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|
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- (NSExpression *) leftExpression
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{
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return _left;
|
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}
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- (NSExpression *) rightExpression
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{
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return _right;
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}
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- (id) expressionValueWithObject: (id)object
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context: (NSMutableDictionary *)context
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{
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id leftValue = [_left expressionValueWithObject: object context: context];
|
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id rightValue = [_right expressionValueWithObject: object context: context];
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NSSet *leftSet = nil;
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NSSet *rightSet = nil;
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NSMutableSet *result = nil;
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CHECK_SETS;
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result = [NSMutableSet setWithSet: leftSet];
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[result intersectSet: rightSet];
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return result;
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}
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|
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@end
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|
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@implementation GSMinusSetExpression
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- (NSString *) description
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{
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return [NSString stringWithFormat: @"%@.%@", _left, _right];
|
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}
|
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|
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- (NSExpression *) leftExpression
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{
|
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return _left;
|
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}
|
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|
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- (NSExpression *) rightExpression
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{
|
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return _right;
|
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}
|
||||
|
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- (id) expressionValueWithObject: (id)object
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context: (NSMutableDictionary *)context
|
||||
{
|
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id leftValue = [_left expressionValueWithObject: object context: context];
|
||||
id rightValue = [_right expressionValueWithObject: object context: context];
|
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NSSet *leftSet = nil;
|
||||
NSSet *rightSet = nil;
|
||||
NSMutableSet *result = nil;
|
||||
|
||||
CHECK_SETS;
|
||||
|
||||
result = [NSMutableSet setWithSet: leftSet];
|
||||
[result minusSet: rightSet];
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
@end
|
||||
|
||||
@implementation GSSubqueryExpression
|
||||
@end
|
||||
|
||||
@implementation GSAggregateExpression
|
||||
|
||||
- (NSString *) description
|
||||
{
|
||||
return [NSString stringWithFormat: @"%@", _collection];
|
||||
}
|
||||
|
||||
- (id) collection
|
||||
{
|
||||
return _collection;
|
||||
}
|
||||
|
||||
- (id) expressionValueWithObject: (id)object
|
||||
context: (NSMutableDictionary *)context
|
||||
{
|
||||
NSMutableArray *result = [NSMutableArray arrayWithCapacity:
|
||||
[_collection count]];
|
||||
|
||||
FOR_IN(NSExpression*, exp, _collection)
|
||||
{
|
||||
NSExpression *value = [exp expressionValueWithObject: object context: context];
|
||||
[result addObject: value];
|
||||
}
|
||||
END_FOR_IN(_collection);
|
||||
|
||||
return result;
|
||||
}
|
||||
@end
|
||||
|
||||
@implementation GSFunctionExpression
|
||||
|
|
@ -2383,7 +2702,6 @@ GSICUStringMatchesRegex(NSString *string, NSString *regex, NSStringCompareOption
|
|||
|
||||
- (NSExpression *) parseExpression
|
||||
{
|
||||
// return [self parseAdditionExpression];
|
||||
return [self parseBinaryExpression];
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -175,6 +175,74 @@ void testArray(void)
|
|||
PASS([predicate evaluateWithObject: array], "size is three")
|
||||
}
|
||||
|
||||
void testExpressions(void)
|
||||
{
|
||||
NSExpression *expression = [NSExpression expressionWithFormat: @"%d*%f",3,3.5];
|
||||
PASS(expression != nil, "expressionWithFormat: returns an initialized expression");
|
||||
|
||||
id value = [expression expressionValueWithObject: nil context: nil];
|
||||
PASS(value != nil, "Expression evaluation returns a value");
|
||||
|
||||
NSExpression *expression2 = [NSExpression expressionWithFormat: @"%f*%f" argumentArray:@[@3.4,@3.1]];
|
||||
PASS(expression2 != nil, "expressionWithFormat:argumentArray: returns an initialized expression");
|
||||
|
||||
id value2 = [expression2 expressionValueWithObject: nil context: nil];
|
||||
PASS(value2 != nil, "Expression evaluation returns a value");
|
||||
|
||||
NSExpression *expression3 = [NSExpression expressionForAggregate:[NSArray arrayWithObjects: expression, expression2, nil]];
|
||||
PASS(expression3 != nil, "expressionForAggregate: returns an initialized expression");
|
||||
|
||||
id value3 = [expression3 expressionValueWithObject: nil context: nil];
|
||||
PASS(value3 != nil, "Expression evaluation returns a value");
|
||||
PASS([value3 isKindOfClass: [NSArray class]], "value is an NSArray");
|
||||
|
||||
NSExpression *set1 = [NSExpression expressionForAggregate: [NSArray arrayWithObjects:
|
||||
[NSExpression expressionForConstantValue: @"A"],
|
||||
[NSExpression expressionForConstantValue: @"B"],
|
||||
[NSExpression expressionForConstantValue: @"C"], nil]];
|
||||
NSExpression *set2 = [NSExpression expressionForAggregate: [NSArray arrayWithObjects:
|
||||
[NSExpression expressionForConstantValue: @"C"],
|
||||
[NSExpression expressionForConstantValue: @"D"],
|
||||
[NSExpression expressionForConstantValue: @"E"], nil]];
|
||||
|
||||
NSExpression *expression4 = [NSExpression expressionForIntersectSet:set1 with:set2];
|
||||
id value4 = [expression4 expressionValueWithObject:nil context:nil];
|
||||
BOOL flag4 = [value4 isEqualToSet: [NSSet setWithObjects: @"C", nil]];
|
||||
PASS(value4 != nil, "Expression evaluation returns a value");
|
||||
PASS([value4 isKindOfClass: [NSSet class]], "value is an NSSet");
|
||||
PASS(flag4 == YES, "returns correct value");
|
||||
|
||||
NSExpression *expression5 = [NSExpression expressionForUnionSet:set1 with:set2];
|
||||
id value5 = [expression5 expressionValueWithObject:nil context:nil];
|
||||
// BOOL flag5 = [value5 isEqualToSet: [NSSet setWithObjects: @"A", @"B", @"C" @"E", @"E", nil]];
|
||||
PASS(value5 != nil, "Expression evaluation returns a value");
|
||||
PASS([value5 isKindOfClass: [NSSet class]], "value is an NSSet");
|
||||
// PASS(flag5 == YES, "returns correct value");
|
||||
|
||||
NSExpression *expression6 = [NSExpression expressionForMinusSet:set1 with:set2];
|
||||
id value6 = [expression6 expressionValueWithObject:nil context:nil];
|
||||
BOOL flag6 = [value6 isEqualToSet: [NSSet setWithObjects: @"A", @"B", nil]];
|
||||
PASS(value6 != nil, "Expression evaluation returns a value");
|
||||
PASS([value6 isKindOfClass: [NSSet class]], "value is an NSSet");
|
||||
PASS(flag6 == YES, "returns correct value");
|
||||
|
||||
// This should error out...
|
||||
BOOL raised = NO;
|
||||
NS_DURING
|
||||
{
|
||||
NSExpression *expression7 = [NSExpression expressionForMinusSet:set1 with:expression2];
|
||||
NSLog(@"%@",[expression7 expressionValueWithObject:nil context:nil]);
|
||||
}
|
||||
NS_HANDLER
|
||||
{
|
||||
raised = YES;
|
||||
NSLog(@"exception = %@", localException);
|
||||
}
|
||||
NS_ENDHANDLER;
|
||||
|
||||
PASS(raised, "Raise an exception when a set based NSExpression tries to process a non-set");
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
NSArray *filtered;
|
||||
|
|
@ -310,7 +378,8 @@ int main()
|
|||
"predicate created with format can filter an array")
|
||||
|
||||
testArray();
|
||||
|
||||
testExpressions();
|
||||
|
||||
END_SET("basic")
|
||||
|
||||
return 0;
|
||||
|
|
|
|||
Loading…
Reference in a new issue