iOSGDataXML 解析多层相同节点例子

/* Copyright (c) 2008 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ // // GDataDefines.h // // Ensure Apple's conditionals we depend on are defined. #import <TargetConditionals.h> // // The developer may choose to define these in the project: // // #define GDATA_TARGET_NAMESPACE Xxx // preface all GData class names with Xxx (recommended for building plug-ins) // #define GDATA_FOUNDATION_ONLY 1 // builds without AppKit or Carbon (default for iPhone builds) // #define GDATA_SIMPLE_DESCRIPTIONS 1 // remove elaborate -description methods, reducing code size (default for iPhone release builds) // #define STRIP_GDATA_FETCH_LOGGING 1 // omit http logging code (default for iPhone release builds) // // Mac developers may find GDATA_SIMPLE_DESCRIPTIONS and STRIP_GDATA_FETCH_LOGGING useful for // reducing code size. // // Define later OS versions when building on earlier versions #ifndef MAC_OS_X_VERSION_10_5 #define MAC_OS_X_VERSION_10_5 1050 #endif #ifndef MAC_OS_X_VERSION_10_6 #define MAC_OS_X_VERSION_10_6 1060 #endif #ifdef GDATA_TARGET_NAMESPACE // prefix all GData class names with GDATA_TARGET_NAMESPACE for this target #import "GDataTargetNamespace.h" #endif #if TARGET_OS_IPHONE // iPhone SDK #define GDATA_IPHONE 1 #endif #if GDATA_IPHONE #define GDATA_FOUNDATION_ONLY 1 #define GDATA_USES_LIBXML 1 #import "GDataXMLNode.h" #define NSXMLDocument GDataXMLDocument #define NSXMLElement GDataXMLElement #define NSXMLNode GDataXMLNode #define NSXMLNodeKind GDataXMLNodeKind #define NSXMLInvalidKind GDataXMLInvalidKind #define NSXMLDocumentKind GDataXMLDocumentKind #define NSXMLElementKind GDataXMLElementKind #define NSXMLAttributeKind GDataXMLAttributeKind #define NSXMLNamespaceKind GDataXMLNamespaceKind #define NSXMLProcessingInstructionKind GDataXMLDocumentKind #define NSXMLCommentKind GDataXMLCommentKind #define NSXMLTextKind GDataXMLTextKind #define NSXMLDTDKind GDataXMLDTDKind #define NSXMLEntityDeclarationKind GDataXMLEntityDeclarationKind #define NSXMLAttributeDeclarationKind GDataXMLAttributeDeclarationKind #define NSXMLElementDeclarationKind GDataXMLElementDeclarationKind #define NSXMLNotationDeclarationKind GDataXMLNotationDeclarationKind // properties used for retaining the XML tree in the classes that use them #define kGDataXMLDocumentPropertyKey @"_XMLDocument" #define kGDataXMLElementPropertyKey @"_XMLElement" #endif // // GDATA_ASSERT is like NSAssert, but takes a variable number of arguments: // // GDATA_ASSERT(condition, @"Problem in argument %@", argStr); // // GDATA_DEBUG_ASSERT is similar, but compiles in only for debug builds // #ifndef GDATA_ASSERT // we directly invoke the NSAssert handler so we can pass on the varargs #if !defined(NS_BLOCK_ASSERTIONS) #define GDATA_ASSERT(condition, ...) \ do { \ if (!(condition)) { \ [[NSAssertionHandler currentHandler] \ handleFailureInFunction:[NSString stringWithUTF8String:__PRETTY_FUNCTION__] \ file:[NSString stringWithUTF8String:__FILE__] \ lineNumber:__LINE__ \ description:__VA_ARGS__]; \ } \ } while(0) #else #define GDATA_ASSERT(condition, ...) do { } while (0) #endif // !defined(NS_BLOCK_ASSERTIONS) #endif // GDATA_ASSERT #ifndef GDATA_DEBUG_ASSERT #if IS_SYNC_DEBUG #define GDATA_DEBUG_ASSERT(condition, ...) GDATA_ASSERT(condition, __VA_ARGS__) #else #define GDATA_DEBUG_ASSERT(condition, ...) do { } while (0) #endif #endif #ifndef GDATA_DEBUG_LOG #if IS_SYNC_DEBUG #define GDATA_DEBUG_LOG(...) log4Debug(__VA_ARGS__) #else #define GDATA_DEBUG_LOG(...) do { } while (0) #endif #endif // // macro to allow fast enumeration when building for 10.5 or later, and // reliance on NSEnumerator for 10.4 // #ifndef GDATA_FOREACH #if TARGET_OS_IPHONE || (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5) #define GDATA_FOREACH(element, collection) \ for (element in collection) #define GDATA_FOREACH_KEY(key, dict) \ for (key in dict) #else #define GDATA_FOREACH(element, collection) \ for (NSEnumerator* _ ## element ## _enum = [collection objectEnumerator]; \ (element = [_ ## element ## _enum nextObject]) != nil; ) #define GDATA_FOREACH_KEY(key, dict) \ for (NSEnumerator* _ ## key ## _enum = [dict keyEnumerator]; \ (key = [_ ## key ## _enum nextObject]) != nil; ) #endif #endif // // To reduce code size on iPhone release builds, we compile out the helpful // description methods for GData objects // #ifndef GDATA_SIMPLE_DESCRIPTIONS #if GDATA_IPHONE && !DEBUG #define GDATA_SIMPLE_DESCRIPTIONS 1 #else #define GDATA_SIMPLE_DESCRIPTIONS 0 #endif #endif #ifndef STRIP_GDATA_FETCH_LOGGING #if GDATA_IPHONE && !DEBUG #define STRIP_GDATA_FETCH_LOGGING 1 #else #define STRIP_GDATA_FETCH_LOGGING 0 #endif #endif // To simplify support for 64bit (and Leopard in general), we provide the type // defines for non Leopard SDKs #if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_4 // NSInteger/NSUInteger and Max/Mins #ifndef NSINTEGER_DEFINED #if __LP64__ || NS_BUILD_32_LIKE_64 typedef long NSInteger; typedef unsigned long NSUInteger; #else typedef int NSInteger; typedef unsigned int NSUInteger; #endif #define NSIntegerMax LONG_MAX #define NSIntegerMin LONG_MIN #define NSUIntegerMax ULONG_MAX #define NSINTEGER_DEFINED 1 #endif // NSINTEGER_DEFINED #endif // MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_4