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cacaodev
9c6476615d
Added a missing CPDate.j import in CPExpression_function that was causing an 'unknown variable CPDate' error in deploy builds. Added documentation for +expressionForSubquery:... Added licence headers with credits.
88 lines
2.1 KiB
Plaintext
88 lines
2.1 KiB
Plaintext
/*
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* CPExpression_constant.j
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*
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* Portions based on NSExpression_constant.m in Cocotron (http://www.cocotron.org/)
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* Copyright (c) 2006-2007 Christopher J. W. Lloyd
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*
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* Created by cacaodev.
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* Copyright 2010.
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*
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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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*
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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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*
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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 Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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@import "CPExpression.j"
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@import "CPDictionary.j"
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@implementation CPExpression_constant : CPExpression
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{
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id _value;
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}
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- (id)initWithValue:(id)value
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{
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[super initWithExpressionType:CPConstantValueExpressionType];
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_value = value;
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return self;
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}
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- (BOOL)isEqual:(id)object
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{
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if (self === object)
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return YES;
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if (object.isa != self.isa || [object expressionType] != [self expressionType] || ![[object constantValue] isEqual:[self constantValue]])
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return NO;
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return YES;
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}
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- (id)constantValue
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{
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return _value;
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}
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- (id)expressionValueWithObject:(id)object context:(CPDictionary)context
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{
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return _value;
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}
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- (CPString)description
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{
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if ([_value isKindOfClass:[CPString class]])
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return @"\"" + _value + @"\"";
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return [_value description];
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}
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@end
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var CPConstantValueKey = @"CPConstantValue";
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@implementation CPExpression_constant (CPCoding)
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- (id)initWithCoder:(CPCoder)coder
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{
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var value = [coder decodeObjectForKey:CPConstantValueKey];
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return [self initWithValue:value];
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}
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- (void)encodeWithCoder:(CPCoder)coder
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{
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[coder encodeObject:_value forKey:CPConstantValueKey];
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}
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@end
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