mirror of https://code.videolan.org/videolan/vlc
209 lines
7.5 KiB
Objective-C
209 lines
7.5 KiB
Objective-C
/*****************************************************************************
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* eyetv.m: small class to control the notification parts of the EyeTV plugin
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*****************************************************************************
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* Copyright (C) 2006-2011 VLC authors and VideoLAN
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* $Id$
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*
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* Authors: Felix Kühne <fkuehne at videolan dot org>
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* Damien Fouilleul <damienf at videolan dot org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#import "eyetv.h"
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/* for apple event interaction [carbon] */
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//#import <Foundation/NSAppleScript>
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/* for various VLC core related calls */
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#import "intf.h"
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@implementation VLCEyeTVController
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@synthesize eyeTVRunning = b_eyeTVactive, deviceConnected = b_deviceConnected;
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static VLCEyeTVController *_o_sharedInstance = nil;
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+ (VLCEyeTVController *)sharedInstance
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{
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return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
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}
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- (id)init
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{
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if (_o_sharedInstance)
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[self dealloc];
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else {
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_o_sharedInstance = [super init];
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[[NSDistributedNotificationCenter defaultCenter]
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addObserver: self
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selector: @selector(globalNotificationReceived:)
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name: NULL
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object: @"VLCEyeTVSupport"
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suspensionBehavior: NSNotificationSuspensionBehaviorDeliverImmediately];
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}
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return _o_sharedInstance;
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}
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- (void)globalNotificationReceived: (NSNotification *)theNotification
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{
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/* update our info on the used device */
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if ([[theNotification name] isEqualToString: @"DeviceAdded"])
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b_deviceConnected = YES;
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if ([[theNotification name] isEqualToString: @"DeviceRemoved"])
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b_deviceConnected = NO;
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/* is eyetv running? */
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if ([[theNotification name] isEqualToString: @"PluginInit"])
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b_eyeTVactive = YES;
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if ([[theNotification name] isEqualToString: @"PluginQuit"])
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b_eyeTVactive = NO;
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}
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- (void)launchEyeTV
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{
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NSAppleScript *script = [[NSAppleScript alloc] initWithSource:
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@"tell application \"EyeTV\"\n"
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"launch with server mode\n"
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"end tell"];
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NSDictionary *errorDict;
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NSAppleEventDescriptor *descriptor = [script executeAndReturnError:&errorDict];
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if (nil == descriptor) {
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NSString *errorString = [errorDict objectForKey:NSAppleScriptErrorMessage];
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NSLog(@"opening EyeTV failed with error status '%@'", errorString);
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}
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[script release];
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}
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- (int)channel
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{
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int currentChannel = 0;
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NSAppleScript *script = [[NSAppleScript alloc] initWithSource:
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@"tell application \"EyeTV\" to get current channel"];
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NSDictionary *errorDict;
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NSAppleEventDescriptor *descriptor = [script executeAndReturnError:&errorDict];
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if (nil == descriptor) {
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NSString *errorString = [errorDict objectForKey:NSAppleScriptErrorMessage];
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NSLog(@"EyeTV channel inventory failed with error status '%@'", errorString);
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} else
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currentChannel = (int)[descriptor int32Value];
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[script release];
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return currentChannel;
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}
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- (int)switchChannelUp:(BOOL)b_yesOrNo
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{
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int currentChannel = 0;
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NSAppleScript *script;
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NSDictionary *errorDict;
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NSAppleEventDescriptor *descriptor;
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if (b_yesOrNo == YES) {
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script = [[NSAppleScript alloc] initWithSource:
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@"tell application \"EyeTV\"\n"
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"channel_up\n"
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"get current channel\n"
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"end tell"];
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NSLog(@"telling eyetv to switch 1 channel up");
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} else {
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script = [[NSAppleScript alloc] initWithSource:
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@"tell application \"EyeTV\"\n"
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"channel_down\n"
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"get current channel\n"
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"end tell"];
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NSLog(@"telling eyetv to switch 1 channel down");
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}
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descriptor = [script executeAndReturnError:&errorDict];
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if (nil == descriptor) {
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NSString *errorString = [errorDict objectForKey:NSAppleScriptErrorMessage];
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NSLog(@"EyeTV channel change failed with error status '%@'", errorString);
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} else
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currentChannel = (int)[descriptor int32Value];
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[script release];
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return currentChannel;
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}
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- (void)setChannel: (int)theChannelNum
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{
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NSAppleScript *script;
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switch(theChannelNum) {
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case -2: // Composite
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script = [[NSAppleScript alloc] initWithSource:
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@"tell application \"EyeTV\"\n"
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" input_change input source composite video input\n"
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" show player_window\n"
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"end tell"];
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break;
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case -1: // S-Video
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script = [[NSAppleScript alloc] initWithSource:
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@"tell application \"EyeTV\"\n"
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" input_change input source S video input\n"
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" show player_window\n"
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"end tell"];
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break;
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case 0: // Last
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script = [[NSAppleScript alloc] initWithSource:
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@"tell application \"EyeTV\"\n"
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" show player_window\n"
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"end tell"];
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break;
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default:
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if (theChannelNum > 0) {
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NSString *channel_change = [NSString stringWithFormat:
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@"tell application \"EyeTV\"\n"
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" channel_change channel number %d\n"
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" show player_window\n"
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"end tell", theChannelNum];
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script = [[NSAppleScript alloc] initWithSource:channel_change];
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}
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else
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return;
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}
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NSDictionary *errorDict;
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NSAppleEventDescriptor *descriptor = [script executeAndReturnError:&errorDict];
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if (nil == descriptor) {
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NSString *errorString = [errorDict objectForKey:NSAppleScriptErrorMessage];
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NSLog(@"EyeTV source change failed with error status '%@'", errorString);
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}
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[script release];
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}
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- (NSEnumerator *)allChannels
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{
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NSEnumerator *channels = nil;
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NSAppleScript *script = [[NSAppleScript alloc] initWithSource:
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@"tell application \"EyeTV\" to get name of every channel"];
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NSDictionary *errorDict;
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NSAppleEventDescriptor *descriptor = [script executeAndReturnError:&errorDict];
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if (nil == descriptor) {
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NSString *errorString = [errorDict objectForKey:NSAppleScriptErrorMessage];
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NSLog(@"EyeTV channel inventory failed with error status '%@'", errorString);
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} else {
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int count = [descriptor numberOfItems];
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int x=0;
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NSMutableArray *channelArray = [NSMutableArray arrayWithCapacity:count];
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while(x++ < count)
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[channelArray addObject:[[descriptor descriptorAtIndex:x] stringValue]];
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channels = [channelArray objectEnumerator];
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}
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[script release];
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return channels;
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}
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@end
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