date/ios.mm
2016-08-14 20:35:22 -04:00

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//
// ios.cpp
// DateTimeLib
//
// The MIT License (MIT)
//
// Copyright (c) 2016 Alexander Kormanovsky
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#if HAS_IOS
#include "ios.h"
#include "NVHTarGzip.h"
namespace date
{
namespace iOSUtils
{
std::string
get_tzdata_path()
{
static NSString *result = @"";
NSFileManager *manager = [NSFileManager defaultManager];
static dispatch_once_t onceToken;
dispatch_once(&onceToken,
^{
NSArray *paths = [NSBundle pathsForResourcesOfType:@"tar.gz"
inDirectory:[[NSBundle mainBundle] bundlePath]];
if (paths.count != 0)
{
NSString *archivePath = paths[0];
NSURL *docsURL = [[[NSFileManager defaultManager]
URLsForDirectory:NSDocumentDirectory
inDomains:NSUserDomainMask] lastObject];
NSString *path = [[docsURL URLByAppendingPathComponent:@"tzdata"] path];
if ([manager fileExistsAtPath:path])
{
result = path;
return;
}
[manager createDirectoryAtPath:path withIntermediateDirectories:NO
attributes:nil error:nil];
NSError *error;
[[NVHTarGzip sharedInstance] unTarGzipFileAtPath:archivePath
toPath:path error:&error];
if (error != nil)
{
NSLog(@"%s Error extracting %@", __func__, error);
}
else
{
result = path;
}
}
});
return [result UTF8String];
}
} // namespace iOSUtils
} // namespace date
#endif