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305bcd56a3
* Implement GSCSTableau, GSCSEditInfo, GSCSEditVariableManager * Update GSTableau based on feedback * Remove adding expression term variable to external parameteric variables
141 lines
3.5 KiB
Objective-C
141 lines
3.5 KiB
Objective-C
/* Copyright (C) 2023 Free Software Foundation, Inc.
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By: Benjamin Johnson
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Date: 12-6-2023
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This file is part of the GNUstep 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 2.1 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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#import "GSCSEditVariableManager.h"
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#import "GSFastEnumeration.h"
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@implementation GSCSEditVariableManager
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- (instancetype) init
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{
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self = [super init];
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if (self)
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{
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ASSIGN(_editVariablesList, [NSMutableArray array]);
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ASSIGN(_editVariablesStack, [NSMutableArray array]);
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ASSIGN(_editVariablesMap,
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[NSMapTable mapTableWithKeyOptions: NSMapTableStrongMemory
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valueOptions: NSMapTableStrongMemory]);
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[self pushEditVariableCount];
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}
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return self;
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}
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- (BOOL) isEmpty
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{
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return [_editVariablesList count] == 0;
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}
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- (NSArray *) editInfos
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{
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return _editVariablesList;
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}
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- (NSInteger) editVariableStackCount
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{
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return [_editVariablesStack count];
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}
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- (NSInteger) topEditVariableStack
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{
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return [[_editVariablesStack lastObject] integerValue];
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}
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- (void) pushEditVariableCount
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{
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[_editVariablesStack
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addObject: [NSNumber numberWithInteger: [_editVariablesList count]]];
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}
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- (void) popEditVariableStack
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{
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[_editVariablesStack removeLastObject];
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}
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- (void) addEditInfo: (GSCSEditInfo *)editInfo
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{
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[_editVariablesMap setObject: editInfo forKey: [editInfo variable]];
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[_editVariablesList addObject: editInfo];
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}
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- (void) removeEditInfo: (GSCSEditInfo *)editInfo
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{
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[_editVariablesList removeObject: editInfo];
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}
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- (void) removeEditInfoForConstraint: (GSCSConstraint *)constraint
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{
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GSCSEditInfo *editInfo = [self editInfoForConstraint: constraint];
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[self removeEditInfo: editInfo];
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}
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- (GSCSEditInfo *) editInfoForConstraint: (GSCSConstraint *)constraint
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{
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FOR_IN(GSCSEditInfo *, editInfo, _editVariablesList)
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if ([editInfo constraint] == constraint)
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{
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return editInfo;
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}
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END_FOR_IN(_editVariablesList);
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return nil;
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}
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- (NSArray *) editInfosForVariable: (GSCSVariable *)editVariable
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{
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NSMutableArray *editInfos = [NSMutableArray array];
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FOR_IN(GSCSEditInfo *, editInfo, _editVariablesList)
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if ([editInfo variable] == editVariable)
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{
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[editInfos addObject: editInfo];
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}
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END_FOR_IN(_editVariablesList);
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return editInfos;
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}
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- (NSArray *) getNextSet
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{
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[_editVariablesStack removeLastObject];
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NSInteger index = [self topEditVariableStack];
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NSInteger count = [_editVariablesList count];
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NSMutableArray *editableInfosInDescendingOrder = [NSMutableArray array];
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while (count > index)
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{
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GSCSEditInfo *editInfo = [[self editInfos] objectAtIndex: count - 1];
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[editableInfosInDescendingOrder addObject: editInfo];
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count--;
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}
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return editableInfosInDescendingOrder;
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}
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- (void) dealloc
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{
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RELEASE(_editVariablesList);
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RELEASE(_editVariablesStack);
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RELEASE(_editVariablesMap);
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[super dealloc];
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}
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@end
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