WebCoreNSStringExtras.mm [plain text]
/*
* Copyright (C) 2005, 2007 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "config.h"
#import "WebCoreNSStringExtras.h"
#import "CFLocaleSPI.h"
#import <wtf/RetainPtr.h>
BOOL stringIsCaseInsensitiveEqualToString(NSString *first, NSString *second)
{
return [first compare:second options:(NSCaseInsensitiveSearch|NSLiteralSearch)] == NSOrderedSame;
}
BOOL hasCaseInsensitiveSuffix(NSString *string, NSString *suffix)
{
return [string rangeOfString:suffix options:(NSCaseInsensitiveSearch | NSBackwardsSearch | NSAnchoredSearch)].location != NSNotFound;
}
BOOL hasCaseInsensitivePrefix(NSString *string, NSString *prefix)
{
return [string rangeOfString:prefix options:(NSCaseInsensitiveSearch | NSAnchoredSearch)].location != NSNotFound;
}
BOOL hasCaseInsensitiveSubstring(NSString *string, NSString *substring)
{
return [string rangeOfString:substring options:NSCaseInsensitiveSearch].location != NSNotFound;
}
NSString *filenameByFixingIllegalCharacters(NSString *string)
{
NSMutableString *filename = [[string mutableCopy] autorelease];
// Strip null characters.
unichar nullChar = 0;
[filename replaceOccurrencesOfString:[NSString stringWithCharacters:&nullChar length:0] withString:@"" options:0 range:NSMakeRange(0, [filename length])];
// Replace "/" with "-".
[filename replaceOccurrencesOfString:@"/" withString:@"-" options:0 range:NSMakeRange(0, [filename length])];
// Replace ":" with "-".
[filename replaceOccurrencesOfString:@":" withString:@"-" options:0 range:NSMakeRange(0, [filename length])];
// Strip leading dots.
while ([filename hasPrefix:@"."]) {
[filename deleteCharactersInRange:NSMakeRange(0,1)];
}
return filename;
}
NSString *preferredBundleLocalizationName()
{
// FIXME: Any use of this function to pass localizations to another
// process is likely not completely right, since it only considers
// one localization.
NSArray *preferredLocalizations = [[NSBundle mainBundle] preferredLocalizations];
if (!preferredLocalizations || ![preferredLocalizations count])
return @"en_US";
return canonicalLocaleName([preferredLocalizations objectAtIndex:0]);
}
NSString *canonicalLocaleName(NSString *language)
{
// FIXME: <rdar://problem/18083880> Replace use of Script Manager
// to canonicalize locales with a custom Web-specific table
LangCode languageCode;
RegionCode regionCode;
Boolean success = CFLocaleGetLanguageRegionEncodingForLocaleIdentifier((CFStringRef)language, &languageCode, ®ionCode, nullptr, nullptr);
if (!success)
return @"en_US";
RetainPtr<CFStringRef> code = adoptCF(CFLocaleCreateCanonicalLocaleIdentifierFromScriptManagerCodes(0, languageCode, regionCode));
return (NSString *)code.autorelease();
}