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Introduce GRMustacheNumberFormatterHelper
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| // The MIT License | ||
| // | ||
| // Copyright (c) 2010 Gwendal Roué | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
||
| #import <Foundation/Foundation.h> | ||
| #import "GRMustacheAvailabilityMacros.h" | ||
| #import "GRMustacheLambda.h" | ||
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| @interface GRMustacheNumberFormatterHelper : NSObject<GRMustacheHelper> { | ||
| @private | ||
| NSNumberFormatter *numberFormatter; | ||
| } | ||
| @property (nonatomic, readonly, retain) NSNumberFormatter *numberFormatter AVAILABLE_GRMUSTACHE_VERSION_1_9_AND_LATER; | ||
| + (id)helperWithNumberFormatter:(NSNumberFormatter *)numberFormatter AVAILABLE_GRMUSTACHE_VERSION_1_9_AND_LATER; | ||
| @end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| // The MIT License | ||
| // | ||
| // Copyright (c) 2010 Gwendal Roué | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
||
| #import "GRMustache.h" | ||
| #import "GRMustacheNumberFormatterHelper.h" | ||
|
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| @interface GRNumberFormatterContext : NSObject { | ||
| @private | ||
| NSNumberFormatter *numberFormatter; | ||
| id wrappedContext; | ||
| } | ||
| @property (nonatomic, retain) NSNumberFormatter *numberFormatter; | ||
| @property (nonatomic, retain) id wrappedContext; | ||
| @end | ||
|
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| @interface GRMustacheNumberFormatterHelper() | ||
| @property (nonatomic, retain) NSNumberFormatter *numberFormatter; | ||
| @end | ||
|
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| @implementation GRMustacheNumberFormatterHelper | ||
| @synthesize numberFormatter; | ||
|
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| - (void)dealloc | ||
| { | ||
| self.numberFormatter = nil; | ||
| [super dealloc]; | ||
| } | ||
|
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| + (id)helperWithNumberFormatter:(NSNumberFormatter *)numberFormatter | ||
| { | ||
| GRMustacheNumberFormatterHelper *helper = [[[GRMustacheNumberFormatterHelper alloc] init] autorelease]; | ||
| helper.numberFormatter = numberFormatter; | ||
| return helper; | ||
| } | ||
|
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| - (NSString *)renderSection:(GRMustacheSection *)section withContext:(id)context | ||
| { | ||
| if (numberFormatter == nil) { | ||
| return [section renderObject:context]; | ||
| } | ||
|
|
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| // Let's replace the current context with a GRNumberFormatterContext | ||
| // that will output formatted numbers instead of raw numbers. | ||
| GRNumberFormatterContext *numberFormatterContext = [[GRNumberFormatterContext alloc] init]; | ||
| numberFormatterContext.wrappedContext = context; | ||
| numberFormatterContext.numberFormatter = numberFormatter; | ||
| NSString *string = [section renderObject:numberFormatterContext]; | ||
| [numberFormatterContext release]; | ||
| return string; | ||
| } | ||
|
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| @end | ||
|
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| @implementation GRNumberFormatterContext | ||
| @synthesize numberFormatter; | ||
| @synthesize wrappedContext; | ||
|
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| - (void)dealloc | ||
| { | ||
| self.numberFormatter = nil; | ||
| self.wrappedContext = nil; | ||
| [super dealloc]; | ||
| } | ||
|
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| - (id)valueForKey:(NSString *)key | ||
| { | ||
| // Fetch the value that we may format | ||
| id value = [wrappedContext valueForKey:key]; | ||
|
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| // We format only numbers | ||
| if (![value isKindOfClass:[NSNumber class]]) { | ||
| return value; | ||
| } | ||
|
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| // Let's not mess with booleans, which control mustache section logic. | ||
| if ((void *)value == kCFBooleanFalse || (void *)value == kCFBooleanTrue) { | ||
| return value; | ||
| } | ||
|
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| // Let's format our number | ||
| return [numberFormatter stringFromNumber:(NSNumber *)value]; | ||
| } | ||
|
|
||
| @end | ||
|
|
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