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cacaodev
ca289e081e
"($)path.($)variable" "SUBQUERY(collection, $x,$x = 2)" "sum:(arg1, ...)" "FUNCTION(target, selector, arg1, ...) "object[expression]" "set UNION|INTERSECT|MINUS otherset" Fixed a bug where CPExpression_set was evaluating to an expression instead of a set. Replaced parsing exceptions with a generic function indicating where it failed.
78 lines
1.7 KiB
Plaintext
78 lines
1.7 KiB
Plaintext
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@import "CPExpression.j"
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@import "CPString.j"
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@import "CPDictionary.j"
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@implementation CPExpression_variable : CPExpression
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{
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CPString _variable;
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}
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- (id)initWithVariable:(CPString)variable
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{
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[super initWithExpressionType:CPVariableExpressionType];
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_variable = [variable copy];
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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 variable] isEqualToString:[self variable]])
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return NO;
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return YES;
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}
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- (CPString)variable
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{
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return _variable;
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}
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- (id)expressionValueWithObject:object context:(CPDictionary)context
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{
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var expression = [self _expressionWithSubstitutionVariables:context];
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return [expression expressionValueWithObject:object context:context];
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}
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- (CPString)description
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{
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return [CPString stringWithFormat:@"$%s", _variable];
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}
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- (CPExpression)_expressionWithSubstitutionVariables:(CPDictionary)variables
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{
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var value = [variables objectForKey:_variable];
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if (value == nil)
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[CPException raise:CPInvalidArgumentException reason:@"Can't get value for '" + _variable + "' in bindings" + variables];
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if ([value isKindOfClass:[CPExpression class]])
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return value;
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return [CPExpression expressionForConstantValue:value];
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}
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@end
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var CPVariableKey = @"CPVariable";
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@implementation CPExpression_variable (CPCoding)
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- (id)initWithCoder:(CPCoder)coder
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{
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var variable = [coder decodeObjectForKey:CPVariableKey];
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return [self initWithVariable:variable];
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}
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- (void)encodeWithCoder:(CPCoder)coder
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{
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[coder encodeObject:_variable forKey:CPVariableKey];
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}
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@end
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