VocalEasel/Sources/VLXMLDocument.mm
2008-01-26 20:56:36 +00:00

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//
// File: VLXMLDocument.mm - Read and write native (MusicXML) document format
//
// Author(s):
//
// (MN) Matthias Neeracher
//
// Copyright © 2006-2007 Matthias Neeracher
//
#import "VLXMLDocument.h"
#import "VLPListDocument.h"
@implementation VLDocument (XML)
- (NSFileWrapper *)XMLFileWrapperWithError:(NSError **)outError flat:(BOOL)flat;
{
static NSArray * sPropertyKeys = nil;
NSFileWrapper * contents = [self fileWrapperWithFilter:@"VLMusicXMLType" error:outError];
if (!contents) {
return nil;
} else if (flat) {
return contents;
} else {
NSFileWrapper * wrap = [[[NSFileWrapper alloc]
initDirectoryWithFileWrappers:
[NSDictionary dictionary]]
autorelease];
[contents setPreferredFilename:@"Song"];
[wrap addFileWrapper:contents];
if (vcsWrapper)
[wrap addFileWrapper:vcsWrapper];
NSData * pd = [NSArchiver archivedDataWithRootObject:
[self printInfo]];
[wrap addRegularFileWithContents:pd preferredFilename:@"PrintInfo"];
if (!sPropertyKeys)
sPropertyKeys = [[NSArray alloc] initWithObjects:
@"staffSize", @"chordSize", @"lyricSize", nil];
NSData * prop = [NSPropertyListSerialization dataFromPropertyList:
[self dictionaryWithValuesForKeys:sPropertyKeys]
format:NSPropertyListXMLFormat_v1_0
errorDescription:nil];
[wrap addRegularFileWithContents:prop preferredFilename:@"Properties"];
return wrap;
}
}
- (BOOL)readFromXMLFileWrapper:(NSFileWrapper *)wrapper error:(NSError **)outError
{
if ([wrapper isDirectory]) {
NSDictionary * wrappers = [wrapper fileWrappers];
if ((vcsWrapper = [wrappers objectForKey:@"CVS"])
|| (vcsWrapper = [wrappers objectForKey:@".svn"])
)
[vcsWrapper retain];
//
// Read properties dictionary
//
NSFileWrapper * prop = [wrappers objectForKey:@"Properties"];
if (prop) {
NSUndoManager * undoMgr = [self undoManager];
[undoMgr disableUndoRegistration];
[self setValuesForKeysWithDictionary:
[NSPropertyListSerialization
propertyListFromData:[prop regularFileContents]
mutabilityOption:NSPropertyListImmutable
format:nil errorDescription:nil]];
[undoMgr enableUndoRegistration];
}
//
// Read print info
NSFileWrapper * print = [wrappers objectForKey:@"PrintInfo"];
if (print) {
NSUndoManager * undoMgr = [self undoManager];
[undoMgr disableUndoRegistration];
NSPrintInfo * pi = [NSUnarchiver unarchiveObjectWithData:
[print regularFileContents]];
[self setPrintInfo:pi];
[undoMgr enableUndoRegistration];
}
return [self readFromFileWrapper:[wrappers objectForKey:@"Song"] withFilter:@"VLMusicXMLType"
error:outError];
} else {
if ([self readFromFileWrapper:wrapper withFilter:@"VLMusicXMLType" error:outError]) {
[self setFileURL:nil];
return YES;
} else
return NO;
}
}
@end