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      1 /*
      2  * Copyright (C) 2005 Apple Computer, Inc.  All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     14  *     its contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #import <WebKit/WebLocalizableStrings.h>
     30 
     31 #import <wtf/Assertions.h>
     32 #import <wtf/Threading.h>
     33 
     34 WebLocalizableStringsBundle WebKitLocalizableStringsBundle = { "com.apple.WebKit", 0 };
     35 
     36 NSString *WebLocalizedString(WebLocalizableStringsBundle *stringsBundle, const char *key)
     37 {
     38     // This function is not thread-safe due at least to its unguarded use of the mainBundle static variable
     39     // and its use of [NSBundle localizedStringForKey:::], which is not guaranteed to be thread-safe. If
     40     // we decide we need to use this on background threads, we'll need to add locking here and make sure
     41     // it doesn't affect performance.
     42     ASSERT(isMainThread());
     43 
     44     NSBundle *bundle;
     45     if (stringsBundle == NULL) {
     46         static NSBundle *mainBundle;
     47         if (mainBundle == nil) {
     48             mainBundle = [NSBundle mainBundle];
     49             ASSERT(mainBundle);
     50             CFRetain(mainBundle);
     51         }
     52         bundle = mainBundle;
     53     } else {
     54         bundle = stringsBundle->bundle;
     55         if (bundle == nil) {
     56             bundle = [NSBundle bundleWithIdentifier:[NSString stringWithUTF8String:stringsBundle->identifier]];
     57             ASSERT(bundle);
     58             stringsBundle->bundle = bundle;
     59         }
     60     }
     61     NSString *notFound = @"localized string not found";
     62     CFStringRef keyString = CFStringCreateWithCStringNoCopy(NULL, key, kCFStringEncodingUTF8, kCFAllocatorNull);
     63     NSString *result = [bundle localizedStringForKey:(NSString *)keyString value:notFound table:nil];
     64     CFRelease(keyString);
     65     ASSERT_WITH_MESSAGE(result != notFound, "could not find localizable string %s in bundle", key);
     66     return result;
     67 }
     68