mirror of
https://github.com/microtherion/VocalEasel.git
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146 lines
4.1 KiB
Plaintext
146 lines
4.1 KiB
Plaintext
//
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// File: VLPListDocument.h - Convert document from and to Cocoa plist
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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 © 2007 Matthias Neeracher
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//
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#import "VLPListDocument.h"
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//
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// To convert from and to complex file formats, we use ruby scripts operating
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// on the XML representation of a Cocoa property list. The property list
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// representation is strictly intended as an intermediate representation,
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// subject to change as necessary.
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//
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@implementation VLDocument (Plist)
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class VLPlistVisitor : public VLSongVisitor {
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public:
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VLPListVisitor(NSDictionary * plist, bool performanceOrder)
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: fPlist(plist), fPerfOrder(performanceOrder) {}
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virtual void Visit(VLSong & song);
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protected:
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virtual void VisitMeasure(size_t m, VLProperties & p, VLMeasure & meas);
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virtual void VisitNote(VLLyricsNote & n);
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virtual void VisitChord(VLChord & c);
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NSDictionary * fPlist;
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NSMutableArray *fMeasures;
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NSMutableArray *fNotes;
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NSMutableArray *fChords;
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bool fPerfOrder;
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const VLSong * fSong;
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};
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void VLPlistVisitor::Visit(VLSong & song)
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{
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fSong = &song;
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fMeasures = [NSMutableArray arrayWithCapacity:32];
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VisitMeasures(song, fPerfOrder);
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[fPlist setObject:EncodeProperties(song.fProperties) forKey:@"properties"];
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[fPlist setObject:EncodeRepeats(song.fRepeats) forKey:@"repeats"];
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[fPlist setObject:fMeasures forKey:@"measures"];
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}
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void VLPlistVisitor::VisitMeasure(size_t m, VLProperties & p, VLMeasure & meas)
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{
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fNotes = [NSMutableArray arrayWithCapacity:1];
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fChords= [NSMutableArray arrayWithCapacity:1];
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VisitNotes(meas, p, true);
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VisitChords(meas);
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NSDictionary * md =
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[NSDictionary dictionaryWithValuesAndKeys:
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[NSNumber numberWithInt:m], @"measure",
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[NSNumber numberWithInt:meas.fPropIdx], @"properties",
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fNotes, @"melody",
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fChords, @"chords"];
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[fMeasures addObject:md];
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}
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void VLPlistVisitor::VisitNote(VLLyricsNote & n)
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{
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NSDictionary * nd =
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[NSDictionary dictionaryWithValuesAndKeys:
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[NSNumber numberWithInt:n.fDuration.fNum], @"durNum",
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[NSNumber numberWithInt:n.fDuration.fDenom], @"durDenom",
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[NSNumber numberWithInt:n.fPitch], @"pitch",
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[NSNumber numberWithInt:n.fTied], @"tied",
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[NSNumber numberWithInt:n.fVisual], @"visual"];
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[fNotes addObject:nd];
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}
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void VLPlistVisitor::VisitChord(VLChord & c)
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{
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NSDictionary * cd =
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[NSDictionary dictionaryWithValuesAndKeys:
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[NSNumber numberWithInt:n.fDuration.fNum], @"durNum",
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[NSNumber numberWithInt:n.fDuration.fDenom], @"durDenom",
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[NSNumber numberWithInt:n.fPitch], @"pitch",
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[NSNumber numberWithInt:n.fSteps], @"steps",
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[NSNumber numberWithInt:n.fRootPitch], @"root"];
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[fChords addObject: cd];
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}
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- (id)plistInPerformanceOrder:(BOOL)performanceOrder
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{
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NSMutableDictionary * plist =
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[NSMutableDictionary dictionaryWithCapacity:20];
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[plist setObject:songComposer forKey:@"composer"];
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[plist setObject:songLyricist forKey:@"lyricist"];
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[plist setObject:
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[[NSDate date]
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descriptionWithCalendarFormat:@"%Y-%m-%d"
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timeZone:nil locale:nil]
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forKey:@"saved"];
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[plist setObject:
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[NSString stringWithFormat:@"VocalEasel %@",
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[[NSBundle mainBundle]
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objectForInfoDictionaryKey:@"CFBundleVersion"]]
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forKey:@"software"];
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VLPlistVisitor songWriter(plist, performanceOrder);
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songWriter.Visit(*song);
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return plist;
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}
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- (BOOL)readFromPlist:(id)plist error:(NSError **)outError
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{
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}
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(NSData *)runFilter:(NSString *)filterName withContents:(NSData *)contents
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{
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}
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- (NSFileWrapper *)fileWrapperWithFilter:(NSString *)filterName
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error:(NSError **)outError
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{
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NSBundle * mainBundle = [NSBundle mainBundle];
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BOOL perfOrder = [mainBundle pathForResource:filterName
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ofType:@"pwriter" inDirectory:@"Filters"];
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filterName = [filterName stringByAppendingPathExtension:
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perfOrder ? @"pwriter" : @"writer"];
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NSData * inData = [self plistInPerformanceOrder:perfOrder];
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NSData * outData= [self runFilter:filterName withContents:inData];
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return [[[NSFileWrapper alloc] initRegularFileWithContents:outData]
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autorelease];
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}
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- (BOOL)readFromFileWrapper:(NSFileWrapper *)wrapper
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withFilter:(NSString *)filterName
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error:(NSError **)outError
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{
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}
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@end
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