cog/Plugins/CueSheet/CueSheetContainer.m

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//
// CueSheetContainer.m
// CueSheet
//
// Created by Zaphod Beeblebrox on 10/8/07.
// Copyright 2007 __MyCompanyName__. All rights reserved.
//
#import "CueSheetContainer.h"
#import "CueSheet.h"
#import "CueSheetTrack.h"
#import "AudioMetadataReader.h"
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@implementation CueSheetContainer
+ (NSArray *)fileTypes {
return @[@"cue", @"ogg", @"opus", @"flac", @"wv", @"mp3"];
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}
+ (NSArray *)mimeTypes {
return @[@"application/x-cue"]; // This is basically useless
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}
+ (float)priority {
return 16.0f;
}
+ (NSArray *)urlsForContainerURL:(NSURL *)url {
if(![url isFileURL]) {
return @[];
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}
if([url fragment]) {
// input url already has fragment defined - no need to expand further
return [NSMutableArray arrayWithObject:url];
}
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NSMutableArray *tracks = [NSMutableArray array];
BOOL embedded = NO;
CueSheet *cuesheet = nil;
NSDictionary *fileMetadata;
NSString *ext = [url pathExtension];
if([ext caseInsensitiveCompare:@"cue"] != NSOrderedSame) {
// Embedded cuesheet check
fileMetadata = [NSClassFromString(@"AudioMetadataReader") metadataForURL:url skipCue:YES];
NSDictionary *alsoMetadata = [NSClassFromString(@"AudioPropertiesReader") propertiesForURL:url skipCue:YES];
id sheet = [fileMetadata objectForKey:@"cuesheet"];
NSString *sheetString = nil;
if(sheet) {
if([sheet isKindOfClass:[NSArray class]]) {
NSArray *sheetContainer = sheet;
if([sheetContainer count]) {
sheetString = sheetContainer[0];
}
} else if([sheet isKindOfClass:[NSString class]]) {
sheetString = sheet;
}
}
if(!sheetString || ![sheetString length]) {
sheet = [alsoMetadata objectForKey:@"cuesheet"];
if(sheet) {
if([sheet isKindOfClass:[NSArray class]]) {
NSArray *sheetContainer = sheet;
if([sheetContainer count]) {
sheetString = sheetContainer[0];
}
} else if([sheet isKindOfClass:[NSString class]]) {
sheetString = sheet;
}
}
}
if(sheetString && [sheetString length]) {
cuesheet = [CueSheet cueSheetWithString:sheetString withFilename:[url path]];
}
embedded = YES;
} else
cuesheet = [CueSheet cueSheetWithFile:[url path]];
if(!cuesheet)
return tracks;
for(CueSheetTrack *track in [cuesheet tracks]) {
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[tracks addObject:[NSURL URLWithString:[[url absoluteString] stringByAppendingFormat:@"#%@", [track track]]]];
}
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return tracks;
}
+ (NSArray *)dependencyUrlsForContainerURL:(NSURL *)url {
if(![url isFileURL]) {
return @[];
}
if([url fragment]) {
NSString *pathString = [url path];
NSString *lastComponent = [url lastPathComponent];
// Find that last component in the string from the end to make sure
// to get the last one
NSRange fragmentRange = [pathString rangeOfString:lastComponent options:NSBackwardsSearch];
// Chop the fragment.
NSString *newPathString = [pathString substringToIndex:fragmentRange.location + fragmentRange.length];
url = [NSURL fileURLWithPath:newPathString];
}
NSMutableArray *tracks = [NSMutableArray array];
CueSheet *cuesheet = nil;
NSString *ext = [url pathExtension];
if([ext caseInsensitiveCompare:@"cue"] != NSOrderedSame) {
return @[];
} else
cuesheet = [CueSheet cueSheetWithFile:[url path]];
if(!cuesheet)
return @[];
for(CueSheetTrack *track in [cuesheet tracks]) {
if(![tracks containsObject:track.url])
[tracks addObject:track.url];
}
return tracks;
}
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@end