mac: Components build for base, easy part

base/mac/foundation_util.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BASE_MAC_FOUNDATION_UTIL_H_
 #define BASE_MAC_FOUNDATION_UTIL_H_
 #pragma once
 
 #include <CoreFoundation/CoreFoundation.h>
 
 #include <string>
 #include <vector>
 
+#include "base/base_api.h"
 #include "base/logging.h"
 
 #if defined(__OBJC__)
 #import <Foundation/Foundation.h>
 #else  // __OBJC__
 class NSBundle;
 class NSString;
 #endif  // __OBJC__
 
 class FilePath;
 
 // Adapted from NSPathUtilities.h and NSObjCRuntime.h.
 #if __LP64__ || NS_BUILD_32_LIKE_64
 typedef unsigned long NSSearchPathDirectory;
 typedef unsigned long NSSearchPathDomainMask;
 #else
 typedef unsigned int NSSearchPathDirectory;
 typedef unsigned int NSSearchPathDomainMask;
 #endif
 
 namespace base {
 namespace mac {
 
 // Returns true if the application is running from a bundle
-bool AmIBundled();
-void SetOverrideAmIBundled(bool value);
+BASE_API bool AmIBundled();
+BASE_API void SetOverrideAmIBundled(bool value);
 
 // Returns true if this process is marked as a "Background only process".
-bool IsBackgroundOnlyProcess();
+BASE_API bool IsBackgroundOnlyProcess();
 
 // Returns the main bundle or the override, used for code that needs
 // to fetch resources from bundles, but work within a unittest where we
 // aren't a bundle.
-NSBundle* MainAppBundle();
-FilePath MainAppBundlePath();
+BASE_API NSBundle* MainAppBundle();
+BASE_API FilePath MainAppBundlePath();
 
 // Returns the path to a resource within the MainAppBundle.
 FilePath PathForMainAppBundleResource(CFStringRef resourceName);
 
 // Set the bundle that MainAppBundle will return, overriding the default value
 // (Restore the default by calling SetOverrideAppBundle(nil)).
-void SetOverrideAppBundle(NSBundle* bundle);
-void SetOverrideAppBundlePath(const FilePath& file_path);
+BASE_API void SetOverrideAppBundle(NSBundle* bundle);
+BASE_API void SetOverrideAppBundlePath(const FilePath& file_path);
 
 // Returns the creator code associated with the CFBundleRef at bundle.
 OSType CreatorCodeForCFBundleRef(CFBundleRef bundle);
 
 // Returns the creator code associated with this application, by calling
 // CreatorCodeForCFBundleRef for the application's main bundle.  If this
 // information cannot be determined, returns kUnknownType ('????').  This
 // does not respect the override app bundle because it's based on CFBundle
 // instead of NSBundle, and because callers probably don't want the override
 // app bundle's creator code anyway.
-OSType CreatorCodeForApplication();
+BASE_API OSType CreatorCodeForApplication();
 
 // Searches for directories for the given key in only the given |domain_mask|.
 // If found, fills result (which must always be non-NULL) with the
 // first found directory and returns true.  Otherwise, returns false.
 bool GetSearchPathDirectory(NSSearchPathDirectory directory,
                             NSSearchPathDomainMask domain_mask,
                             FilePath* result);
 
 // Searches for directories for the given key in only the local domain.
 // If found, fills result (which must always be non-NULL) with the
 // first found directory and returns true.  Otherwise, returns false.
-bool GetLocalDirectory(NSSearchPathDirectory directory, FilePath* result);
+BASE_API bool GetLocalDirectory(NSSearchPathDirectory directory,
+                                FilePath* result);
 
 // Searches for directories for the given key in only the user domain.
 // If found, fills result (which must always be non-NULL) with the
 // first found directory and returns true.  Otherwise, returns false.
-bool GetUserDirectory(NSSearchPathDirectory directory, FilePath* result);
+BASE_API bool GetUserDirectory(NSSearchPathDirectory directory,
+                               FilePath* result);
 
 // Returns the ~/Library directory.
-FilePath GetUserLibraryPath();
+BASE_API FilePath GetUserLibraryPath();
 
 // Takes a path to an (executable) binary and tries to provide the path to an
 // application bundle containing it. It takes the outermost bundle that it can
 // find (so for "/Foo/Bar.app/.../Baz.app/..." it produces "/Foo/Bar.app").
 //   |exec_name| - path to the binary
 //   returns - path to the application bundle, or empty on error
-FilePath GetAppBundlePath(const FilePath& exec_name);
+BASE_API FilePath GetAppBundlePath(const FilePath& exec_name);
 
 // Utility function to pull out a value from a dictionary, check its type, and
 // return it.  Returns NULL if the key is not present or of the wrong type.
-CFTypeRef GetValueFromDictionary(CFDictionaryRef dict,
-                                 CFStringRef key,
-                                 CFTypeID expected_type);
+BASE_API CFTypeRef GetValueFromDictionary(CFDictionaryRef dict,
+                                          CFStringRef key,
+                                          CFTypeID expected_type);
 
 // Retain/release calls for memory management in C++.
-void NSObjectRetain(void* obj);
-void NSObjectRelease(void* obj);
+BASE_API void NSObjectRetain(void* obj);
+BASE_API void NSObjectRelease(void* obj);
 
 // CFTypeRefToNSObjectAutorelease transfers ownership of a Core Foundation
 // object (one derived from CFTypeRef) to the Foundation memory management
 // system.  In a traditional managed-memory environment, cf_object is
 // autoreleased and returned as an NSObject.  In a garbage-collected
 // environment, cf_object is marked as eligible for garbage collection.
 //
 // This function should only be used to convert a concrete CFTypeRef type to
 // its equivalent "toll-free bridged" NSObject subclass, for example,
 // converting a CFStringRef to NSString.
 //
 // By calling this function, callers relinquish any ownership claim to
 // cf_object.  In a managed-memory environment, the object's ownership will be
 // managed by the innermost NSAutoreleasePool, so after this function returns,
 // callers should not assume that cf_object is valid any longer than the
 // returned NSObject.
 //
 // Returns an id, typed here for C++'s sake as a void*.
-void* CFTypeRefToNSObjectAutorelease(CFTypeRef cf_object);
+BASE_API void* CFTypeRefToNSObjectAutorelease(CFTypeRef cf_object);
 
 // Returns the base bundle ID, which can be set by SetBaseBundleID but
 // defaults to a reasonable string. This never returns NULL. BaseBundleID
 // returns a pointer to static storage that must not be freed.
-const char* BaseBundleID();
+BASE_API const char* BaseBundleID();
 
 // Sets the base bundle ID to override the default. The implementation will
 // make its own copy of new_base_bundle_id.
-void SetBaseBundleID(const char* new_base_bundle_id);
+BASE_API void SetBaseBundleID(const char* new_base_bundle_id);
 
 }  // namespace mac
 }  // namespace base
 
 #if !defined(__OBJC__)
 #define OBJC_CPP_CLASS_DECL(x) class x;
 #else  // __OBJC__
 #define OBJC_CPP_CLASS_DECL(x)
 #endif  // __OBJC__
 
 // Convert toll-free bridged CFTypes to NSTypes and vice-versa. This does not
 // autorelease |cf_val|. This is useful for the case where there is a CFType in
 // a call that expects an NSType and the compiler is complaining about const
 // casting problems.
 // The calls are used like this:
 // NSString *foo = CFToNSCast(CFSTR("Hello"));
 // CFStringRef foo2 = NSToCFCast(@"Hello");
 // The macro magic below is to enforce safe casting. It could possibly have
 // been done using template function specialization, but template function
 // specialization doesn't always work intuitively,
 // (http://www.gotw.ca/publications/mill17.htm) so the trusty combination
 // of macros and function overloading is used instead.
 
 #define CF_TO_NS_CAST_DECL(TypeCF, TypeNS) \
 OBJC_CPP_CLASS_DECL(TypeNS) \
 \
 namespace base { \
 namespace mac { \
-TypeNS* CFToNSCast(TypeCF##Ref cf_val); \
-TypeCF##Ref NSToCFCast(TypeNS* ns_val); \
+BASE_API TypeNS* CFToNSCast(TypeCF##Ref cf_val); \
+BASE_API TypeCF##Ref NSToCFCast(TypeNS* ns_val); \
 } \
 } \
 
 #define CF_TO_NS_MUTABLE_CAST_DECL(name) \
 CF_TO_NS_CAST_DECL(CF##name, NS##name) \
 OBJC_CPP_CLASS_DECL(NSMutable##name) \
 \
 namespace base { \
 namespace mac { \
-NSMutable##name* CFToNSCast(CFMutable##name##Ref cf_val); \
-CFMutable##name##Ref NSToCFCast(NSMutable##name* ns_val); \
+BASE_API NSMutable##name* CFToNSCast(CFMutable##name##Ref cf_val); \
+BASE_API CFMutable##name##Ref NSToCFCast(NSMutable##name* ns_val); \
 } \
 } \
 
 // List of toll-free bridged types taken from:
 // http://www.cocoadev.com/index.pl?TollFreeBridged
 
 CF_TO_NS_MUTABLE_CAST_DECL(Array);
 CF_TO_NS_MUTABLE_CAST_DECL(AttributedString);
 CF_TO_NS_CAST_DECL(CFCalendar, NSCalendar);
 CF_TO_NS_MUTABLE_CAST_DECL(CharacterSet);
 CF_TO_NS_MUTABLE_CAST_DECL(Data);
 CF_TO_NS_CAST_DECL(CFDate, NSDate);
 CF_TO_NS_MUTABLE_CAST_DECL(Dictionary);
 CF_TO_NS_CAST_DECL(CFError, NSError);
 CF_TO_NS_CAST_DECL(CFLocale, NSLocale);
 CF_TO_NS_CAST_DECL(CFNumber, NSNumber);
 CF_TO_NS_CAST_DECL(CFRunLoopTimer, NSTimer);
 CF_TO_NS_CAST_DECL(CFTimeZone, NSTimeZone);
 CF_TO_NS_MUTABLE_CAST_DECL(Set);
 CF_TO_NS_CAST_DECL(CFReadStream, NSInputStream);
 CF_TO_NS_CAST_DECL(CFWriteStream, NSOutputStream);
 CF_TO_NS_MUTABLE_CAST_DECL(String);
 CF_TO_NS_CAST_DECL(CFURL, NSURL);
 
 // Stream operations for CFTypes. They can be used with NSTypes as well
 // by using the NSToCFCast methods above.
 // e.g. LOG(INFO) << base::mac::NSToCFCast(@"foo");
 // Operator << can not be overloaded for ObjectiveC types as the compiler
 // can not distinguish between overloads for id with overloads for void*.
-extern std::ostream& operator<<(std::ostream& o, const CFErrorRef err);
-extern std::ostream& operator<<(std::ostream& o, const CFStringRef str);
+BASE_API extern std::ostream& operator<<(std::ostream& o, const CFErrorRef err);
+BASE_API extern std::ostream& operator<<(std::ostream& o,
+                                         const CFStringRef str);
 
 #endif  // BASE_MAC_FOUNDATION_UTIL_H_