集成新浪,腾讯,人人分享功能的Demo

// // GTMDefines.h // // Copyright 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. // // ============================================================================ #include <AvailabilityMacros.h> #include <TargetConditionals.h> #if TARGET_OS_IPHONE #include <Availability.h> #endif // TARGET_OS_IPHONE // Not all MAC_OS_X_VERSION_10_X macros defined in past SDKs #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 // Not all __IPHONE_X macros defined in past SDKs #ifndef __IPHONE_2_1 #define __IPHONE_2_1 20100 #endif #ifndef __IPHONE_2_2 #define __IPHONE_2_2 20200 #endif #ifndef __IPHONE_3_0 #define __IPHONE_3_0 30000 #endif #ifndef __IPHONE_3_1 #define __IPHONE_3_1 30100 #endif #ifndef __IPHONE_3_2 #define __IPHONE_3_2 30200 #endif #ifndef __IPHONE_4_0 #define __IPHONE_4_0 40000 #endif // ---------------------------------------------------------------------------- // CPP symbols that can be overridden in a prefix to control how the toolbox // is compiled. // ---------------------------------------------------------------------------- // By setting the GTM_CONTAINERS_VALIDATION_FAILED_LOG and // GTM_CONTAINERS_VALIDATION_FAILED_ASSERT macros you can control what happens // when a validation fails. If you implement your own validators, you may want // to control their internals using the same macros for consistency. #ifndef GTM_CONTAINERS_VALIDATION_FAILED_ASSERT #define GTM_CONTAINERS_VALIDATION_FAILED_ASSERT 0 #endif // Give ourselves a consistent way to do inlines. Apple's macros even use // a few different actual definitions, so we're based off of the foundation // one. #if !defined(GTM_INLINE) #if defined (__GNUC__) && (__GNUC__ == 4) #define GTM_INLINE static __inline__ __attribute__((always_inline)) #else #define GTM_INLINE static __inline__ #endif #endif // Give ourselves a consistent way of doing externs that links up nicely // when mixing objc and objc++ #if !defined (GTM_EXTERN) #if defined __cplusplus #define GTM_EXTERN extern "C" #define GTM_EXTERN_C_BEGIN extern "C" { #define GTM_EXTERN_C_END } #else #define GTM_EXTERN extern #define GTM_EXTERN_C_BEGIN #define GTM_EXTERN_C_END #endif #endif // Give ourselves a consistent way of exporting things if we have visibility // set to hidden. #if !defined (GTM_EXPORT) #define GTM_EXPORT __attribute__((visibility("default"))) #endif // Give ourselves a consistent way of declaring something as unused. This // doesn't use __unused because that is only supported in gcc 4.2 and greater. #if !defined (GTM_UNUSED) #define GTM_UNUSED(x) ((void)(x)) #endif // _GTMDevLog & _GTMDevAssert // // _GTMDevLog & _GTMDevAssert are meant to be a very lightweight shell for // developer level errors. This implementation simply macros to NSLog/NSAssert. // It is not intended to be a general logging/reporting system. // // Please see http://code.google.com/p/google-toolbox-for-mac/wiki/DevLogNAssert // for a little more background on the usage of these macros. // // _GTMDevLog log some error/problem in debug builds // _GTMDevAssert assert if conditon isn't met w/in a method/function // in all builds. // // To replace this system, just provide different macro definitions in your // prefix header. Remember, any implementation you provide *must* be thread // safe since this could be called by anything in what ever situtation it has // been placed in. // // We only define the simple macros if nothing else has defined this. #ifndef _GTMDevLog #ifdef DEBUG #define _GTMDevLog(...) NSLog(__VA_ARGS__) #else #define _GTMDevLog(...) do { } while (0) #endif #endif // _GTMDevLog #ifndef _GTMDevAssert // we directly invoke the NSAssert handler so we can pass on the varargs // (NSAssert doesn't have a macro we can use that takes varargs) #if !defined(NS_BLOCK_ASSERTIONS) #define _GTMDevAssert(condition, ...) \ do { \ if (!(condition)) { \ [[NSAssertionHandler currentHandler] \ handleFailureInFunction:[NSString stringWithUTF8String:__PRETTY_FUNCTION__] \ file:[NSString stringWithUTF8String:__FILE__] \ lineNumber:__LINE__ \ description:__VA_ARGS__]; \ } \ } while(0) #else // !defined(NS_BLOCK_ASSERTIONS) #define _GTMDevAssert(condition, ...) do { } while (0) #endif // !defined(NS_BLOCK_ASSERTIONS) #endif // _GTMDevAssert // _GTMCompileAssert // _GTMCompileAssert is an assert that is meant to fire at compile time if you // want to check things at compile instead of runtime. For example if you // want to check that a wchar is 4 bytes instead of 2 you would use // _GTMCompileAssert(sizeof(wchar_t) == 4, wchar_t_is_4_bytes_on_OS_X) // Note that the second "arg" is not in quotes, and must be a valid processor // symbol in it's own right (no spaces, punctuation etc). // Wrapping this in an #ifndef allows external groups to define their own // compile time assert scheme. #ifndef _GTMCompileAssert // We got this technique from here: // http://unixjunkie.blogspot.com/2007/10/better-compile-time-asserts_29.html #define _GTMCompileAssertSymbolInner(line, msg) _GTMCOMPILEASSERT ## line ## __ ## msg #define _GTMCompileAssertSymbol(line, msg) _GTMCompileAssertSymbolInner(line, msg) #define _GTMCompileAssert(test, msg) \ typedef char _GTMCompileAssertSymbol(__LINE__, msg) [ ((test) ? 1 : -1) ] #endif // _GTMCompileAssert // ---------------------------------------------------------------------------- // CPP symbols defined based on the project settings so the GTM code has // simple things to test against w/o scattering the knowledge of project // setting through all the code. // ---------------------------------------------------------------------------- // Provide a single constant CPP symbol that all of GTM uses for ifdefing // iPhone code. #if TARGET_OS_IPHONE // iPhone SDK // For iPhone specific stuff #define GTM_IPHONE_SDK 1 #if TARGET_IPHONE_SIMULATOR #define GTM_IPHONE_SIMULATOR 1 #else #define GTM_IPHONE_DEVICE 1 #endif // TARGET_IPHONE_SIMULATOR #else // For MacOS specific stuff #define GTM_MACOS_SDK 1 #endif // Some of our own availability macros #if GTM_MACOS_SDK #define GTM_AVAILABLE_ONLY_ON_IPHONE UNAVAILABLE_ATTRIBUTE #define GTM_AVAILABLE_ONLY_ON_MACOS #else #define GTM_AVAILABLE_ONLY_ON_IPHONE #define GTM_AVAILABLE_ONLY_ON_MACOS UNAVAILABLE_ATTRIBUTE #endif // Provide a symbol to include/exclude extra code for GC support. (This mainly // just controls the inclusion of finalize methods). #ifndef GTM_SUPPORT_GC #if GTM_IPHONE_SDK // iPhone never needs GC #define GTM_SUPPORT_GC 0 #else // We can't find a symbol to tell if GC is supported/required, so best we // do on Mac targets is include it if we're on 10.5 or later. #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5 #define GTM_SUPPORT_GC 0 #else #define GTM_SUPPORT_GC 1 #endif #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_5) // NSInteger/NSUInteger and Max/Mins #ifndef NSINTEGER_DEFINED #if __LP64__ || NS_BUILD_32_LIKE_64 typedef l