cog/Plugins/M3u/M3uContainer.m

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//
// M3uContainer.m
// M3u
//
// Created by Zaphod Beeblebrox on 10/8/07.
// Copyright 2007 __MyCompanyName__. All rights reserved.
//
#import "M3uContainer.h"
@implementation M3uContainer
+ (NSArray *)fileTypes
{
return [NSArray arrayWithObject:@"m3u"];
}
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+ (NSArray *)mimeTypes
{
return [NSArray arrayWithObjects:@"audio/x-mpegurl", @"audio/mpegurl", nil];
}
+ (NSURL *)urlForPath:(NSString *)path relativeTo:(NSString *)baseFilename
{
NSRange protocolRange = [path rangeOfString:@"://"];
if (protocolRange.location != NSNotFound)
{
return [NSURL URLWithString:path];
}
NSMutableString *unixPath = [path mutableCopy];
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//Get the fragment
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NSString *fragment = @"";
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NSScanner *scanner = [NSScanner scannerWithString:unixPath];
NSCharacterSet *characterSet = [NSCharacterSet characterSetWithCharactersInString:@"#1234567890"];
while (![scanner isAtEnd]) {
NSString *possibleFragment;
[scanner scanUpToString:@"#" intoString:nil];
if ([scanner scanCharactersFromSet:characterSet intoString:&possibleFragment] && [scanner isAtEnd])
{
fragment = possibleFragment;
[unixPath deleteCharactersInRange:NSMakeRange([scanner scanLocation] - [possibleFragment length], [possibleFragment length])];
break;
}
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}
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NSLog(@"Fragment: %@", fragment);
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if (![unixPath hasPrefix:@"/"]) {
//Only relative paths would have windows backslashes.
[unixPath replaceOccurrencesOfString:@"\\" withString:@"/" options:0 range:NSMakeRange(0, [unixPath length])];
NSString *basePath = [[[baseFilename stringByStandardizingPath] stringByDeletingLastPathComponent] stringByAppendingString:@"/"];
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[unixPath insertString:basePath atIndex:0];
}
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//Append the fragment
return [NSURL URLWithString:[[[NSURL fileURLWithPath:unixPath] absoluteString] stringByAppendingString: fragment]];
}
+ (NSArray *)urlsForContainerURL:(NSURL *)url
{
if (![url isFileURL])
return [NSArray array];
NSString *filename = [url path];
NSStringEncoding encoding;
NSError *error = nil;
NSString *contents = [NSString stringWithContentsOfFile:filename usedEncoding:&encoding error:&error];
if (error) {
NSLog(@"Trying UTF8");
error = nil;
contents = [NSString stringWithContentsOfFile:filename encoding:NSUTF8StringEncoding error:&error];
}
if (error) {
NSLog(@"Trying windows CP1251");
error = nil;
contents = [NSString stringWithContentsOfFile:filename encoding:NSWindowsCP1251StringEncoding error:&error];
}
if (error) {
NSLog(@"Trying latin1");
error = nil;
contents = [NSString stringWithContentsOfFile:filename encoding:NSISOLatin1StringEncoding error:&error];
}
if (error || !contents) {
NSLog(@"Could not open file...%@ %@ %@", filename, contents, error);
return nil;
}
NSString *entry;
NSEnumerator *e = [[contents componentsSeparatedByString:@"\n"] objectEnumerator];
NSMutableArray *entries = [NSMutableArray array];
while (entry = [[e nextObject] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]])
{
if ([entry hasPrefix:@"#"] || [entry isEqualToString:@""]) //Ignore extra info
continue;
//Need to add basePath, and convert to URL
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[entries addObject:[self urlForPath:entry relativeTo:filename]];
}
return entries;
}
@end