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