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https://github.com/microtherion/VocalEasel.git
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54 lines
1.2 KiB
Plaintext
54 lines
1.2 KiB
Plaintext
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//
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// VLLilypondDocument.mm
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// Vocalese
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//
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// Created by Matthias Neeracher on 10/20/06.
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// Copyright 2006 __MyCompanyName__. All rights reserved.
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//
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#import "VLMMADocument.h"
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@implementation VLDocument (MIDI)
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- (NSFileWrapper *)midiFileWrapperWithError:(NSError **)outError
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{
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NSBundle * mainBundle = [NSBundle mainBundle];
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//
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// Convert to MMA format
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//
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NSError * err;
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NSURL * mmaURL = [self fileURLWithExtension:@"mma"];
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[self writeToURL: mmaURL ofType:@"VLMMAType" error:&err];
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NSString * launch =
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[mainBundle pathForResource:@"mmaWrapper" ofType:@""
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inDirectory:@"bin"];
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NSArray * args = [NSArray arrayWithObject: [mmaURL path]];
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NSTask * task = [self taskWithLaunchPath:launch arguments:args];
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[[NSNotificationCenter defaultCenter]
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addObserver:self selector:@selector(mmaDone:)
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name:NSTaskDidTerminateNotification object:task];
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[task launch];
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[task waitUntilExit];
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int status = [task terminationStatus];
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if (!status) {
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return [[[NSFileWrapper alloc]
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initWithPath:[[self fileURLWithExtension:@"mid"] path]]
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autorelease];
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} else {
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NSBeep();
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if (outError)
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*outError = [NSError errorWithDomain:NSCocoaErrorDomain
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code:NSPersistentStoreSaveError
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userInfo:nil];
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return nil;
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}
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}
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@end
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