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//
// GTMNSFileManager+Path.m
//
// Copyright 2006-2008 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
//
#import "GTMNSFileManager+Path.h"
#import "GTMDefines.h"
@implementation NSFileManager (GMFileManagerPathAdditions)
#if GTM_MACOS_SDK && (MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5)
- (BOOL)gtm_createFullPathToDirectory:(NSString *)path
attributes:(NSDictionary *)attributes {
if (!path) return NO;
BOOL isDir;
BOOL exists = [self fileExistsAtPath:path isDirectory:&isDir];
// Quick check for the case where we have nothing to do.
if (exists && isDir)
return YES;
NSString *actualPath = @"/";
NSString *directory;
GTM_FOREACH_OBJECT(directory, [path pathComponents]) {
actualPath = [actualPath stringByAppendingPathComponent:directory];
if ([self fileExistsAtPath:actualPath isDirectory:&isDir] && isDir) {
continue;
} else if ([self createDirectoryAtPath:actualPath attributes:attributes]) {
continue;
} else {
return NO;
}
}
return YES;
}
#endif // GTM_MACOS_SDK && (MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5)
- (NSArray *)gtm_filePathsWithExtension:(NSString *)extension
inDirectory:(NSString *)directoryPath {
NSArray *extensions = nil;
// Treat no extension and an empty extension as the user requesting all files
if (extension != nil && ![extension isEqualToString:@""])
extensions = [NSArray arrayWithObject:extension];
return [self gtm_filePathsWithExtensions:extensions
inDirectory:directoryPath];
}
- (NSArray *)gtm_filePathsWithExtensions:(NSArray *)extensions
inDirectory:(NSString *)directoryPath {
if (!directoryPath) {
return nil;
}
// |basenames| will contain only the matching file names, not their full paths.
#if GTM_IPHONE_SDK || (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5)
NSArray *basenames = [self contentsOfDirectoryAtPath:directoryPath
error:nil];
#else
NSArray *basenames = [self directoryContentsAtPath:directoryPath];
#endif // MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
// Check if dir doesn't exist or couldn't be opened.
if (!basenames) {
return nil;
}
// Check if dir is empty.
if ([basenames count] == 0) {
return basenames;
}
NSMutableArray *paths = [NSMutableArray arrayWithCapacity:[basenames count]];
NSString *basename;
// Convert all the |basenames| to full paths.
GTM_FOREACH_OBJECT(basename, basenames) {
NSString *fullPath = [directoryPath stringByAppendingPathComponent:basename];
[paths addObject:fullPath];
}
// Check if caller wants all files, regardless of extension.
if ([extensions count] == 0) {
return paths;
}
return [paths pathsMatchingExtensions:extensions];
}
@end
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