Files
CoreStore/Sources/ObjectiveC/CoreStoreBridge.h
John Rommel Estropia e5a199489c WIP: objc utilities
2016-06-19 02:40:25 +09:00

153 lines
4.4 KiB
Objective-C

//
// CoreStoreBridge.h
// CoreStore
//
// Copyright © 2016 John Rommel Estropia
//
// 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>
#ifndef CoreStoreBridge_h
#define CoreStoreBridge_h
#if !__has_feature(objc_arc)
#error CoreStore Objective-C utilities require ARC be enabled
#endif
#if !__has_extension(attribute_overloadable)
#error CoreStore Objective-C utilities can only be used on platforms that support C function overloading
#endif
#define CS_OBJC_EXTERN extern
#define CS_OBJC_OVERLOADABLE __attribute__((__overloadable__))
#define CS_OBJC_REQUIRES_NIL_TERMINATION(A, B) __attribute__((sentinel(A, B)))
// MARK: - From
@class CSFrom;
/**
@abstract
Initializes a <tt>CSFrom</tt> clause with the specified entity class.
@code
MyPersonEntity *people = [transaction fetchAllFrom:From([MyPersonEntity class])];
@endcode
@param entityClass
the <tt>NSManagedObject</tt> class type to be created
@result
a <tt>CSFrom</tt> clause with the specified entity class
*/
CS_OBJC_EXTERN CS_OBJC_OVERLOADABLE
CSFrom *_Nonnull From(Class _Nonnull entityClass);
/**
@abstract
Initializes a <tt>CSFrom</tt> clause with the specified configurations.
@code
MyPersonEntity *people = [transaction fetchAllFrom:From([MyPersonEntity class], @[@"Configuration1"])];
@endcode
@param entityClass
the <tt>NSManagedObject</tt> class type to be created
@param configurations
an array of the <tt>NSPersistentStore</tt> configuration names to associate objects from. This parameter is required if multiple configurations contain the created <tt>NSManagedObject</tt>'s entity type. Set to <tt>[NSNull null]</tt> to use the default configuration.
@result
a <tt>CSFrom</tt> clause with the specified configurations
*/
CS_OBJC_EXTERN CS_OBJC_OVERLOADABLE
CSFrom *_Nonnull From(Class _Nonnull entityClass, NSArray<id> *_Nonnull configurations);
// MARK: - Where
@class CSWhere;
/**
@abstract
Initializes a <tt>CSWhere</tt> clause with a predicate that always evaluates to the specified boolean value
@param value
the boolean value for the predicate
@result
a <tt>CSWhere</tt> clause with a predicate that always evaluates to the specified boolean value
*/
CS_OBJC_EXTERN CS_OBJC_OVERLOADABLE
CSWhere *_Nonnull Where(BOOL value);
/**
@abstract
Initializes a <tt>CSWhere</tt> clause with a predicate using the specified string format and arguments
@param format
the format string for the predicate
@param argumentArray
the arguments for <tt>format</tt>
@result
a <tt>CSWhere</tt> clause with a predicate using the specified string format and arguments
*/
CS_OBJC_EXTERN CS_OBJC_OVERLOADABLE
CSWhere *_Nonnull Where(NSString *_Nonnull format, ...);
/**
@abstract
Initializes a <tt>CSWhere</tt> clause with an <tt>NSPredicate</tt>
@param predicate
the <tt>NSPredicate</tt> for the fetch or query
@result
a <tt>CSWhere</tt> clause with an <tt>NSPredicate</tt>
*/
CS_OBJC_EXTERN CS_OBJC_OVERLOADABLE
CSWhere *_Nonnull Where(NSPredicate *_Nonnull predicate);
// MARK: - GroupBy
@class CSGroupBy;
/**
@abstract
Initializes a <tt>CSGroupBy</tt> clause with a list of key path strings
@param keyPaths
a list of key path strings to group results with
@result
a <tt>CSGroupBy</tt> clause with a list of key path strings
*/
CS_OBJC_OVERLOADABLE
CSGroupBy *_Nonnull GroupBy(NSArray<NSString *> *_Nonnull keyPaths);
#endif /* CoreStoreBridge_h */