ffa46ae2d0
Make exception handling more robust and thorough. Never know what may happen, make sure to handle most cases. Signed-off-by: Christopher Snowhill <kode54@gmail.com>
75 lines
1.5 KiB
Text
75 lines
1.5 KiB
Text
//
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// OMPTContainer.m
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// OpenMPT
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//
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// Created by Christopher Snowhill on 1/4/18.
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// Copyright 2018 __LoSnoCo__. All rights reserved.
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//
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#import <libOpenMPT/libopenmpt.hpp>
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#import "OMPTContainer.h"
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#import "OMPTDecoder.h"
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#import "Logging.h"
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@implementation OMPTContainer
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+ (NSArray *)fileTypes {
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return [OMPTDecoder 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 1.0f;
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}
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+ (NSArray *)urlsForContainerURL:(NSURL *)url {
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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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id audioSourceClass = NSClassFromString(@"AudioSource");
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id<CogSource> source = [audioSourceClass audioSourceForURL:url];
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if(![source open:url])
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return @[];
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if(![source seekable])
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return @[];
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[source seek:0 whence:SEEK_END];
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long size = [source tell];
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[source seek:0 whence:SEEK_SET];
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try {
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std::vector<char> data(static_cast<std::size_t>(size));
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[source read:data.data() amount:size];
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std::map<std::string, std::string> ctls;
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openmpt::module *mod = new openmpt::module(data, std::clog, ctls);
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NSMutableArray *tracks = [NSMutableArray array];
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int i;
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int subsongs = mod->get_num_subsongs();
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delete mod;
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for(i = 0; i < subsongs; ++i) {
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[tracks addObject:[NSURL URLWithString:[[url absoluteString] stringByAppendingFormat:@"#%i", i]]];
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}
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return tracks;
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} catch(std::exception &e) {
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ALog(@"Exception caught while processing with OpenMPT: %s", e.what());
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return @[];
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}
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}
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@end
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