99 lines
2.5 KiB
Objective-C
99 lines
2.5 KiB
Objective-C
//
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// PlsContainer.m
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// Pls
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//
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// Created by Zaphod Beeblebrox on 10/8/07.
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// Copyright 2007 __MyCompanyName__. All rights reserved.
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//
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#import "PlsContainer.h"
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@implementation PlsContainer
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+ (NSArray *)fileTypes
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{
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return [NSArray arrayWithObject:@"pls"];
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}
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+ (NSArray *)mimeTypes
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{
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return [NSArray arrayWithObjects:@"audio/x-scpls", @"application/pls", nil];
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}
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+ (NSURL *)urlForPath:(NSString *)path relativeTo:(NSString *)baseFilename
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{
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if ([path hasPrefix:@"/"]) {
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return [NSURL URLWithString:[@"file://" stringByAppendingString:path]];
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}
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NSRange protocolRange = [path rangeOfString:@"://"];
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if (protocolRange.location != NSNotFound)
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{
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return [NSURL URLWithString:path];
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}
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NSMutableString *unixPath = [path mutableCopy];
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//Only relative paths would have windows backslashes.
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[unixPath replaceOccurrencesOfString:@"\\" withString:@"/" options:0 range:NSMakeRange(0, [unixPath length])];
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NSMutableString *urlString = [[NSMutableString alloc] init];
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[urlString setString:@"file://"];
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NSString *basePath = [[[baseFilename stringByStandardizingPath] stringByDeletingLastPathComponent] stringByAppendingString:@"/"];
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[urlString appendString:basePath];
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[urlString appendString:unixPath];
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[unixPath release];
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NSURL *url = [NSURL URLWithString:urlString];
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[urlString release];
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return url;
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}
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+ (NSArray *)urlsForContainerURL:(NSURL *)url
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{
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if (![url isFileURL])
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return [NSArray array];
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NSString *filename = [url path];
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NSError *error;
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NSString *contents = [NSString stringWithContentsOfFile:filename encoding:NSUTF8StringEncoding error:&error];
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if (error || !contents) {
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return nil;
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}
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NSString *entry;
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NSEnumerator *e = [[contents componentsSeparatedByString:@"\n"] objectEnumerator];
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NSMutableArray *entries = [NSMutableArray array];
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while (entry = [[e nextObject] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]])
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{
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NSScanner *scanner = [[NSScanner alloc] initWithString:entry];
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NSString *lhs = nil;
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NSString *rhs = nil;
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if (![scanner scanUpToString:@"=" intoString:&lhs] || // get LHS
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![scanner scanString:@"=" intoString:nil] || // skip the =
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![scanner scanUpToString:@"" intoString:&rhs] || // get RHS
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![lhs isEqualToString:@"File"]) // We only want file entries
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{
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[scanner release];
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continue;
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}
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//need to add basepath if its a file, and convert to URL
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[entries addObject:[self urlForPath:rhs relativeTo:filename]];
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[scanner release];
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}
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return entries;
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}
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@end
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