/* * Copyright (C) 2014 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. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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 "UserAgent.h" #import "SystemVersion.h" namespace WebCore { String systemMarketingVersionForUserAgentString() { // Use underscores instead of dots because when we first added the Mac OS X version to the user agent string // we were concerned about old DHTML libraries interpreting "4." as Netscape 4. That's no longer a concern for us // but we're sticking with the underscores for compatibility with the format used by older versions of Safari. return [systemMarketingVersion() stringByReplacingOccurrencesOfString:@"." withString:@"_"]; } static NSString *userVisibleWebKitBundleVersionFromFullVersion(NSString *fullWebKitVersion) { // If the version is longer than 3 digits then the leading digits represent the version of the OS. Our user agent // string should not include the leading digits, so strip them off and report the rest as the version. <rdar://problem/4997547> NSRange nonDigitRange = [fullWebKitVersion rangeOfCharacterFromSet:[[NSCharacterSet decimalDigitCharacterSet] invertedSet]]; if (nonDigitRange.location == NSNotFound && fullWebKitVersion.length > 3) return [fullWebKitVersion substringFromIndex:fullWebKitVersion.length - 3]; if (nonDigitRange.location != NSNotFound && nonDigitRange.location > 3) return [fullWebKitVersion substringFromIndex:nonDigitRange.location - 3]; return fullWebKitVersion; } String userAgentBundleVersionFromFullVersionString(const String& fullWebKitVersion) { // We include at most three components of the bundle version in the user agent string. NSString *bundleVersion = userVisibleWebKitBundleVersionFromFullVersion(fullWebKitVersion); NSScanner *scanner = [NSScanner scannerWithString:bundleVersion]; NSInteger periodCount = 0; while (true) { if (![scanner scanUpToString:@"." intoString:nullptr] || scanner.isAtEnd) return bundleVersion; if (++periodCount == 3) return [bundleVersion substringToIndex:scanner.scanLocation]; ++scanner.scanLocation; } ASSERT_NOT_REACHED(); } } // namespace WebCore