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//
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// MYOttoman.mm
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// Ottoman
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//
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// Created by Jens Alfke on 9/21/09.
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// Copyright 2009 Jens Alfke. All rights reserved.
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//
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#import "MYOttoman.h"
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#import "MYOttoman_internal.h"
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extern "C" {
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#import "Test.h"
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}
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#include "Ottoman.h"
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#include "VersionDictionary.h"
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#include "File.h"
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@interface MYOttoman ()
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- (void) _versionsChanged;
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@end
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namespace Mooseyard {
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class ObjCOwnedOttoman :public Ottoman {
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public:
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ObjCOwnedOttoman (MYOttoman *owner)
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:_owner(owner)
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{ }
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ObjCOwnedOttoman (MYOttoman *owner, NSURL *fileURL, bool writeable)
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:Ottoman(fileURL.path.fileSystemRepresentation, writeable),
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_owner(owner)
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{ }
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protected:
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virtual void versionsChanged() {
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[_owner _versionsChanged];
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}
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private:
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MYOttoman *_owner;
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};
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}
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using namespace Mooseyard;
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static BOOL ErrorToNSError (const File::Error &x, NSError **outError) {
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if (outError) {
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*outError = [NSError errorWithDomain: NSPOSIXErrorDomain
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code: x.code
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userInfo: nil];
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}
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return NO;
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}
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@interface MYOttoman ()
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@property (readonly) Ottoman* ottoman;
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@end
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@implementation MYOttoman
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- (id) init {
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return [self initWithURL: nil writeable: YES error: nil];
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}
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- (id) initWithURL: (NSURL*)fileURL
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writeable: (BOOL)writeable
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error: (NSError**)outError
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{
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self = [super init];
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if (self) {
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try {
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if (fileURL) {
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NSAssert([fileURL isFileURL], @"MYOttoman only supports file: URLs");
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_ottoman = new ObjCOwnedOttoman(self, fileURL, writeable);
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} else {
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_ottoman = new ObjCOwnedOttoman(self);
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}
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} catch (const File::Error &x) {
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ErrorToNSError(x,outError);
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[self release];
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return nil;
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}
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if (writeable)
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_currentVersion = [[MYCurrentVersionDictionary alloc]
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_initWithOverlayDictionary: self.ottoman->currentVersion()];
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}
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return self;
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}
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- (void) dealloc
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{
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[_lastVersion release];
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[_currentVersion release];
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delete (Ottoman*)_ottoman;
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[super dealloc];
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}
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- (void) finalize {
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delete (Ottoman*)_ottoman;
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[super finalize];
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}
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- (void) close {
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delete (Ottoman*)_ottoman;
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_ottoman = nil;
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}
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- (Ottoman*) ottoman {
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Assert(_ottoman, @"MYOttoman has already been closed");
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return (Ottoman*) _ottoman;
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}
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- (NSURL*) URL {
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const char *path = self.ottoman->filename();
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return path ?[NSURL fileURLWithPath: [NSString stringWithUTF8String: path]] :nil;
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}
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- (MYVersionDictionary*) lastVersion {
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if (!_lastVersion)
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_lastVersion = [[MYVersionDictionary alloc] _initWithVersionDictionary: self.ottoman->lastVersion()];
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return _lastVersion;
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}
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- (MYCurrentVersionDictionary*) currentVersion {
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return _currentVersion;
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}
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- (void) _versionsChanged {
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[_lastVersion autorelease];
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_lastVersion = nil;
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}
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- (BOOL) needsSync {
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return self.ottoman->needsSync();
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}
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- (BOOL) sync: (NSError**)outError {
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if (outError) *outError = nil;
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try {
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return self.ottoman->sync();
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} catch (const File::Error &x) {
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return ErrorToNSError(x,outError);
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}
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}
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- (BOOL) save: (NSError**)outError {
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if (outError) *outError = nil;
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try {
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return self.ottoman->save();
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} catch (const File::Error &x) {
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return ErrorToNSError(x,outError);
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}
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}
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- (BOOL) saveAndCompact: (NSError**)outError {
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if (outError) *outError = nil;
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try {
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return self.ottoman->saveAndCompact();
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} catch (const File::Error &x) {
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return ErrorToNSError(x,outError);
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}
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}
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- (BOOL) saveAs: (NSURL*)newFileURL
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overwriteAllowed: (BOOL)overwriteAllowed
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error: (NSError**)outError
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{
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NSParameterAssert(newFileURL!=nil);
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NSAssert([newFileURL isFileURL], @"MYOttoman only supports file: URLs");
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if (outError) *outError = nil;
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try {
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self.ottoman->saveAs(newFileURL.path.fileSystemRepresentation, overwriteAllowed);
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return YES;
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} catch (const File::Error &x) {
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return ErrorToNSError(x,outError);
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}
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}
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- (BOOL) scavengeAndRepair: (BOOL)repair error: (NSError**)outError {
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if (outError) *outError = nil;
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try {
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return self.ottoman->scavenge(repair);
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} catch (const File::Error &x) {
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return ErrorToNSError(x,outError);
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}
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}
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@end
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