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62 lines
1.6 KiB
Plaintext
62 lines
1.6 KiB
Plaintext
//
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// File: VLMIDIDocument.mm - Export document in MIDI format
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//
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// Author(s):
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//
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// (MN) Matthias Neeracher
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//
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// Copyright © 2006-2011 Matthias Neeracher
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//
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#import "VLMIDIDocument.h"
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#import "VLMIDIWriter.h"
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#import "VLSheetWindow.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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[self createTmpFileWithExtension:@"mma" ofType:VLMMAType];
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NSURL * mmaURL = [self fileURLWithExtension:@"mma"];
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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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[sheetWin startAnimation];
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[task launch];
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[task waitUntilExit];
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[sheetWin stopAnimation];
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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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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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- (void)mmaDone:(NSNotification *)notification {
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[[NSNotificationCenter defaultCenter] removeObserver: self
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name:NSTaskDidTerminateNotification object:[notification object]];
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if ([[notification object] terminationStatus])
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[sheetWin showLogAndBeep];
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}
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@end
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