PlatformUtilitiesCocoa.mm

/*
 * 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 "PlatformUtilities.h"

#import <wtf/RetainPtr.h>
#import <wtf/StdLibExtras.h>
#import <wtf/UniqueArray.h>

namespace TestWebKitAPI {
namespace Util {

#if PLATFORM(MAC)

NSString *toNS(WKStringRef string)
{
    size_t bufferSize = WKStringGetMaximumUTF8CStringSize(string) + 1;
    auto buffer = makeUniqueWithoutFastMallocCheck<char[]>(bufferSize);
    size_t stringLength = WKStringGetUTF8CString(string, buffer.get(), bufferSize);
    buffer[stringLength] = '\0';

    return [NSString stringWithUTF8String:buffer.get()];
}

NSString *toNS(WKRetainPtr<WKStringRef> string)
{
    return toNS(string.get());
}

#endif // PLATFORM(MAC)

std::string toSTD(NSString *string)
{
    if (!string)
        return std::string();

    size_t bufferSize = [string lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
    auto buffer = makeUniqueWithoutFastMallocCheck<char[]>(bufferSize);
    NSUInteger stringLength;
    [string getBytes:buffer.get() maxLength:bufferSize usedLength:&stringLength encoding:NSUTF8StringEncoding options:0 range:NSMakeRange(0, [string length]) remainingRange:0];
    return std::string(buffer.get(), stringLength);
}

bool jsonMatchesExpectedValues(NSString *jsonString, NSDictionary *expected)
{
    NSError *error = nil;
    id result = [NSJSONSerialization JSONObjectWithData:[jsonString dataUsingEncoding:NSUTF8StringEncoding] options:0 error:&error];
    if (error)
        NSLog(@"Encountered error: %@ while serializing JSON string.", error);
    return [expected isEqualToDictionary:result];
}

void waitForConditionWithLogging(std::function<bool()>&& condition, NSTimeInterval loggingTimeout, NSString *message, ...)
{
    NSDate *startTime = [NSDate date];
    BOOL exceededLoggingTimeout = NO;
    while ([[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantPast]]) {
        if (condition())
            break;

        if (exceededLoggingTimeout || [[NSDate date] timeIntervalSinceDate:startTime] < loggingTimeout)
            continue;

        va_list args;
        va_start(args, message);
        NSLogv(message, args);
        va_end(args);
        exceededLoggingTimeout = YES;
    }
}

RetainPtr<CGImageRef> convertToCGImage(PlatformImage *image)
{
#if PLATFORM(MAC)
    return [image CGImageForProposedRect:nil context:nil hints:nil];
#else
    return image.CGImage;
#endif
}

NSString * const TestPlugInClassNameParameter = @"TestPlugInPrincipalClassName";

} // namespace Util
} // namespace TestWebKitAPI