kylefang/RestKit
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Support for model mapping via grouped selectors. The mapper code is due for a refactoring in the very near future.

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This commit is contained in:
Blake Watters
2010-02-24 14:29:36 -05:00
parent 265e548941
commit 6bc5fb6762
1 changed files with 42 additions and 6 deletions
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48
Code/RKModelMapper.m
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@@ -107,6 +107,8 @@
comparisonSelector = @selector(isEqualToNumber:);
} else if ([propertyValue isKindOfClass:[NSDate class]]) {
comparisonSelector = @selector(isEqualToDate:);
} else if ([propertyValue isKindOfClass:[NSArray class]]) {
comparisonSelector = @selector(isEqualToArray:);
} else {
[NSException raise:@"NoComparisonSelectorFound" format:@"You need a comparison selector for %@ (%@)", propertyName, [propertyValue class]];
}
@@ -281,9 +283,9 @@
[self setRelationshipsOfModel:object fromXML:XML];
}
- (id)propertyValueForElement:(Element*)propertyElement type:(NSString*)type{
//NSString* typeHint = [propertyElement attribute:@"type"];
- (id)propertyValueForElement:(Element*)propertyElement type:(NSString*)type {
id propertyValue = nil;
SEL valueSelector = nil;
if ([type isEqualToString:@"NSString"]) {
propertyValue = [propertyElement contentsText];
} else if ([type isEqualToString:@"NSNumber"]) {
@@ -315,17 +317,47 @@
} else if ([type isEqualToString:@"nil"]) {
[NSException raise:@"PropertyTypeError" format:@"Don't know how to handle property type '%@'", type];
}
NSLog(@"Returning propertyValue %@ for element %@ and type %@", propertyValue, propertyElement, type);
return propertyValue;
}
- (id)propertyValueForElements:(NSArray*)elements type:(NSString*)type {
NSMutableArray* values = [NSMutableArray arrayWithCapacity:[elements count]];
for (Element* element in elements) {
[values addObject:[self propertyValueForElement:element type:type]];
}
return values;
}
- (void)setPropertiesOfModel:(id)model fromXML:(Element*)XML {
for (NSString* selector in [[model class] elementToPropertyMappings]) {
NSString* propertyName = [[[model class] elementToPropertyMappings] objectForKey:selector];
Element* propertyElement = [XML selectElement:selector];
NSString* typeHint = [propertyElement attribute:@"type"];
NSString* typeHint;
// TODO: Figure out subselectors here...
Element* propertyElement = nil;
if ([self isSelectorGrouped:selector]) {
NSLog(@"Initial selector is %@", selector);
selector = [selector stringByTrimmingCharactersInSet:[NSCharacterSet characterSetWithCharactersInString:@"[]"]];
NSLog(@"Selector is now %@", selector);
propertyElement = [XML selectElements:selector];
NSLog(@"FOUND GROUPED SELECTOR -> %@. Elements: %@", selector, propertyElement);
typeHint = [[(NSArray*)propertyElement objectAtIndex:0] attribute:@"type"];
} else {
propertyElement = [XML selectElement:selector];
typeHint = [propertyElement attribute:@"type"];
}
NSString* propertyType = [self typeNameForProperty:propertyName ofClass:[model class] typeHint:typeHint];
//NSLog(@"The propertyType is %@", propertyType);
id propertyValue = [self propertyValueForElement:propertyElement type:propertyType]; // valueForElement instead???
id propertyValue = nil;
if ([propertyElement isKindOfClass:[NSArray class]]) {
propertyValue = [self propertyValueForElements:propertyElement type:propertyType];
} else {
propertyValue = [self propertyValueForElement:propertyElement type:propertyType];
}
// TODO: typeHint shit needs better factoring...
if (typeHint) {
//NSLog(@"TypeHint is %@", typeHint);
if ([typeHint isEqualToString:@"boolean"]) {
@@ -363,6 +395,10 @@
#pragma mark -
#pragma mark selector methods
- (BOOL)isSelectorGrouped:(NSString*)key {
return ([key hasPrefix:@"["] && [key hasSuffix:@"]"]);
}
- (BOOL)isParentSelector:(NSString*)key {
return !NSEqualRanges([key rangeOfString:@" > "], NSMakeRange(NSNotFound, 0));
}