2755ce5e64
It was about time to rewrite this anyway. Now adapted to the new public interface API. Signed-off-by: Christopher Snowhill <kode54@gmail.com>
97 lines
2.2 KiB
Objective-C
97 lines
2.2 KiB
Objective-C
//
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// VGMContainer.m
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// VGMStream
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//
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// Created by Christopher Snowhill on 9/1/17.
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// Copyright 2017 __LoSnoCo__. All rights reserved.
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//
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#import "VGMContainer.h"
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#import "VGMDecoder.h"
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#import "VGMInterface.h"
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#import "Logging.h"
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@implementation VGMContainer
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+ (void)initialize {
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register_log_callback();
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}
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+ (NSArray *)fileTypes {
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return [VGMDecoder fileTypes];
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}
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+ (NSArray *)mimeTypes {
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return nil;
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}
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+ (float)priority {
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return [VGMDecoder priority];
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}
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+ (NSArray *)urlsForContainerURL:(NSURL *)url {
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NSString *path = [[url absoluteString] stringByRemovingPercentEncoding];
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if([url fragment]) {
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// input url might be a TXTP with fragment parameters, in which case
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// we need to parse that anyway
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NSString *frag = [url fragment];
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NSUInteger len = [frag length];
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if(len < 5 || ![[frag substringFromIndex:len - 5] isEqualToString:@".txtp"]) {
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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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path = [path stringByAppendingFormat:@"%%23%@", frag];
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url = [NSURL fileURLWithPath:[path stringByRemovingPercentEncoding]];
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}
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libstreamfile_t* sf = open_vfs([path UTF8String]);
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if(!sf) return @[];
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libvgmstream_config_t vcfg = {0};
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libvgmstream_t* infostream = libvgmstream_create(sf, 0, &vcfg);
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if(!infostream) {
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return @[];
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}
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VGMInfoCache *sharedMyCache = [VGMInfoCache sharedCache];
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NSMutableArray *tracks = [NSMutableArray array];
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NSURL *trackurl;
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int i;
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int subsongs = infostream->format->subsong_count;
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if(subsongs == 0)
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subsongs = 1;
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if(infostream->format->subsong_index > 0)
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subsongs = 1;
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{
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trackurl = [NSURL URLWithString:[[url absoluteString] stringByAppendingString:@"#1"]];
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[sharedMyCache stuffURL:trackurl stream:infostream];
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[tracks addObject:trackurl];
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}
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for(i = 2; i <= subsongs; ++i) {
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libvgmstream_close_stream(infostream);
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infostream = libvgmstream_create(sf, i, &vcfg);
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if(!infostream)
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return @[];
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trackurl = [NSURL URLWithString:[[url absoluteString] stringByAppendingFormat:@"#%i", i]];
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[sharedMyCache stuffURL:trackurl stream:infostream];
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[tracks addObject:trackurl];
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}
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libvgmstream_close_stream(infostream);
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libstreamfile_close(sf);
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return tracks;
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}
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@end
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