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Added LastFm scrobbling. Updated README for details.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| #import <Foundation/Foundation.h> | ||
| #import "DDXML.h" | ||
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| // These methods are not part of the standard NSXML API. | ||
| // But any developer working extensively with XML will likely appreciate them. | ||
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| @interface DDXMLElement (DDAdditions) | ||
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| + (DDXMLElement *)elementWithName:(NSString *)name xmlns:(NSString *)ns; | ||
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| - (DDXMLElement *)elementForName:(NSString *)name; | ||
| - (DDXMLElement *)elementForName:(NSString *)name xmlns:(NSString *)xmlns; | ||
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| - (NSString *)xmlns; | ||
| - (void)setXmlns:(NSString *)ns; | ||
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| - (NSString *)prettyXMLString; | ||
| - (NSString *)compactXMLString; | ||
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| - (void)addAttributeWithName:(NSString *)name stringValue:(NSString *)string; | ||
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| - (NSDictionary *)attributesAsDictionary; | ||
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| @end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,131 @@ | ||
| #import "DDXMLElementAdditions.h" | ||
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| @implementation DDXMLElement (DDAdditions) | ||
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| /** | ||
| * Quick method to create an element | ||
| **/ | ||
| + (DDXMLElement *)elementWithName:(NSString *)name xmlns:(NSString *)ns | ||
| { | ||
| DDXMLElement *element = [DDXMLElement elementWithName:name]; | ||
| [element setXmlns:ns]; | ||
| return element; | ||
| } | ||
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| /** | ||
| * This method returns the first child element for the given name. | ||
| * If no child element exists for the given name, returns nil. | ||
| **/ | ||
| - (DDXMLElement *)elementForName:(NSString *)name | ||
| { | ||
| NSArray *elements = [self elementsForName:name]; | ||
| if([elements count] > 0) | ||
| { | ||
| return [elements objectAtIndex:0]; | ||
| } | ||
| else | ||
| { | ||
| // Note: If you port this code to work with Apple's NSXML, beware of the following: | ||
| // | ||
| // There is a bug in the NSXMLElement elementsForName: method. | ||
| // Consider the following XML fragment: | ||
| // | ||
| // <query xmlns="jabber:iq:private"> | ||
| // <x xmlns="some:other:namespace"></x> | ||
| // </query> | ||
| // | ||
| // Calling [query elementsForName:@"x"] results in an empty array! | ||
| // | ||
| // However, it will work properly if you use the following: | ||
| // [query elementsForLocalName:@"x" URI:@"some:other:namespace"] | ||
| // | ||
| // The trouble with this is that we may not always know the xmlns in advance, | ||
| // so in this particular case there is no way to access the element without looping through the children. | ||
| // | ||
| // This bug was submitted to apple on June 1st, 2007 and was classified as "serious". | ||
| // | ||
| // --!!-- This bug does NOT exist in DDXML --!!-- | ||
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| return nil; | ||
| } | ||
| } | ||
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| /** | ||
| * This method returns the first child element for the given name and given xmlns. | ||
| * If no child elements exist for the given name and given xmlns, returns nil. | ||
| **/ | ||
| - (DDXMLElement *)elementForName:(NSString *)name xmlns:(NSString *)xmlns | ||
| { | ||
| NSArray *elements = [self elementsForLocalName:name URI:xmlns]; | ||
| if([elements count] > 0) | ||
| { | ||
| return [elements objectAtIndex:0]; | ||
| } | ||
| else | ||
| { | ||
| return nil; | ||
| } | ||
| } | ||
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| /** | ||
| * Returns the common xmlns "attribute", which is only accessible via the namespace methods. | ||
| * The xmlns value is often used in jabber elements. | ||
| **/ | ||
| - (NSString *)xmlns | ||
| { | ||
| return [[self namespaceForPrefix:@""] stringValue]; | ||
| } | ||
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| - (void)setXmlns:(NSString *)ns | ||
| { | ||
| // If you use setURI: then the xmlns won't be displayed in the XMLString. | ||
| // Adding the namespace this way works properly. | ||
| // | ||
| // This applies to both Apple's NSXML and DDXML. | ||
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| [self addNamespace:[DDXMLNode namespaceWithName:@"" stringValue:ns]]; | ||
| } | ||
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| /** | ||
| * Shortcut to get a pretty (formatted) string representation of the element. | ||
| **/ | ||
| - (NSString *)prettyXMLString | ||
| { | ||
| return [self XMLStringWithOptions:(DDXMLNodePrettyPrint | DDXMLNodeCompactEmptyElement)]; | ||
| } | ||
|
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| /** | ||
| * Shortcut to get a compact string representation of the element. | ||
| **/ | ||
| - (NSString *)compactXMLString | ||
| { | ||
| return [self XMLStringWithOptions:DDXMLNodeCompactEmptyElement]; | ||
| } | ||
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| /** | ||
| * Shortcut to avoid having to manually create a DDXMLNode everytime. | ||
| **/ | ||
| - (void)addAttributeWithName:(NSString *)name stringValue:(NSString *)string | ||
| { | ||
| [self addAttribute:[DDXMLNode attributeWithName:name stringValue:string]]; | ||
| } | ||
|
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| /** | ||
| * Returns all the attributes as a dictionary. | ||
| **/ | ||
| - (NSDictionary *)attributesAsDictionary | ||
| { | ||
| NSArray *attributes = [self attributes]; | ||
| NSMutableDictionary *result = [NSMutableDictionary dictionaryWithCapacity:[attributes count]]; | ||
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| uint i; | ||
| for(i = 0; i < [attributes count]; i++) | ||
| { | ||
| DDXMLNode *node = [attributes objectAtIndex:i]; | ||
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| [result setObject:[node stringValue] forKey:[node name]]; | ||
| } | ||
| return result; | ||
| } | ||
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| @end |
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