VocalEasel/Sources/VLMMADocument.mm

//
// File: VLMMADocument.mm - Export document in MMA format
//
// Author(s):
//
//      (MN)    Matthias Neeracher
//
// Copyright © 2006-2007 Matthias Neeracher
//

#import "VLMMADocument.h"

@implementation VLDocument (MMA)

- (NSData *)mmaDataWithError:(NSError **)outError
{
	char	buf[32];
	NSBundle *	 			bndl = [NSBundle mainBundle];
	const VLProperties & 	prop = song->fProperties.front();

	std::string	mmaFile = std::string("// Generated by VocalEasel ")
		+ (const char *)[[bndl objectForInfoDictionaryKey:@"CFBundleVersion"]
							UTF8String]
		+ "\n\n"
		+ "Solo Voice AltoSax\n"
		+ "Solo Volume fff\n";
	sprintf(buf, "Tempo %d\n", [songTempo intValue]);
	mmaFile	+= buf;
	sprintf(buf, "Groove %s\n", [songGroove UTF8String]);
	mmaFile	+= buf;
	sprintf(buf, "KeySig %d%c\n", labs(prop.fKey), prop.fKey>=0 ? '#' : '&');
	mmaFile	+= buf;
	mmaFile += '\n';
	
	std::string			mmas;
	size_t 				meas = 0;
	VLSong::iterator	end = song->end();
	for (VLSong::iterator i=song->begin(); i!=end; ++i) {
		size_t m	= *i;
		sprintf(buf, "%-5d", ++meas);
		mmaFile += buf;
		song->fMeasures[m].MMAChords(mmas, prop, i==song->begin());
		mmaFile += mmas;
		song->fMeasures[m].MMANotes(mmas, prop, song->TiedDuration(m+1));
		mmaFile += "\t{ " + mmas + " }\n";
	}

	return [[NSString stringWithUTF8String:mmaFile.c_str()] 
			   dataUsingEncoding:NSUTF8StringEncoding];
}

- (NSFileWrapper *)mmaFileWrapperWithError:(NSError **)outError
{
	NSData * data = [self mmaDataWithError:outError];
	
	if (!data)
		return nil;
	else
		return [[[NSFileWrapper alloc] 
					initRegularFileWithContents:data]
				   autorelease];
}

@end