mirror of
https://github.com/mauiaaron/apple2.git
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86 lines
2.9 KiB
Objective-C
86 lines
2.9 KiB
Objective-C
/*
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* Copyright (c) 2007 Dave Dribin
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#import "DDHidUsageTables.h"
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@implementation DDHidUsageTables
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static DDHidUsageTables * sStandardUsageTables = nil;
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+ (DDHidUsageTables *) standardUsageTables;
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{
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if (sStandardUsageTables == nil)
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{
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NSBundle * myBundle = [NSBundle bundleForClass: self];
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NSString * usageTablesPath =
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[myBundle pathForResource: @"DDHidStandardUsages" ofType: @"plist"];
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NSDictionary * lookupTables =
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[NSDictionary dictionaryWithContentsOfFile: usageTablesPath];
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sStandardUsageTables =
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[[DDHidUsageTables alloc] initWithLookupTables: lookupTables];
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[sStandardUsageTables retain];
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}
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return sStandardUsageTables;
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}
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- (id) initWithLookupTables: (NSDictionary *) lookupTables;
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{
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self = [super init];
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if (self == nil)
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return nil;
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mLookupTables = [lookupTables retain];
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return self;
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}
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- (NSString *) descriptionForUsagePage: (unsigned) usagePage
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usage: (unsigned) usage
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{
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NSString * usagePageString = [NSString stringWithFormat: @"%u", usagePage];
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NSString * usageString = [NSString stringWithFormat: @"%u", usage];
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// NSNumber * usagePageNumber = [NSNumber numberWithUnsignedInt: usagePage];
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NSDictionary * usagePageLookup = [mLookupTables objectForKey: usagePageString];
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if (usagePageLookup == nil)
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return @"Unknown usage page";
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NSDictionary * usageLookup = [usagePageLookup objectForKey: @"usages"];
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NSString * description = [usageLookup objectForKey: usageString];
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if (description != nil)
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return description;
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NSString * defaultUsage = [usagePageLookup objectForKey: @"default"];
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if (defaultUsage != nil)
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{
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description = [NSString stringWithFormat: defaultUsage, usage];
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return description;
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}
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return @"Unknown usage";
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}
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@end
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