14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
* file.
*/
#import "OFObject.h"
@class OFEnumerator;
/**
* \brief A protocol for getting an enumerator for the object.
*/
@protocol OFEnumerating
/**
* \brief Returns an OFEnumerator to enumerate through all objects of the
* collection.
*
* \returns An OFEnumerator to enumerate through all objects of the collection
*/
- (OFEnumerator*)objectEnumerator;
@end
/**
* \brief A class which provides methods to enumerate through collections.
*/
@interface OFEnumerator: OFObject
/**
* \brief Returns the next object.
*
* \return The next object
*/
- (id)nextObject;
/**
* \brief Resets the enumerator, so the next call to nextObject returns the
* first object again.
*/
- (void)reset;
@end
/*
* This needs to be exactly like this because it's hardcoded in the compiler.
*
* We need this bad check to see if we already imported Cocoa, which defines
* this as well.
*/
#define of_fast_enumeration_state_t NSFastEnumerationState
#ifndef NSINTEGER_DEFINED
/**
* \brief State information for fast enumerations.
*/
typedef struct of_fast_enumeration_state_t {
/// Arbitrary state information for the enumeration
unsigned long state;
/// Pointer to a C array of objects to return
__unsafe_unretained id *itemsPtr;
/// Arbitrary state information to detect mutations
unsigned long *mutationsPtr;
/// Additional arbitrary state information
unsigned long extra[5];
} of_fast_enumeration_state_t;
#endif
/**
* \brief A protocol for fast enumeration.
*
* The OFFastEnumeration protocol needs to be implemented by all classes
* supporting fast enumeration.
*/
@protocol OFFastEnumeration
/**
* \brief A method which is called by the code produced by the compiler when
* doing a fast enumeration.
*
* \param state Context information for the enumeration
* \param objects A pointer to an array where to put the objects
* \param count The number of objects that can be stored at objects
* \return The number of objects returned in objects or 0 when the enumeration
* finished.
*/
- (int)countByEnumeratingWithState: (of_fast_enumeration_state_t*)state
objects: (__unsafe_unretained id*)objects
count: (int)count;
@end
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
* file.
*/
#import "OFObject.h"
@class OFEnumerator;
/*!
* @brief A protocol for getting an enumerator for the object.
*/
@protocol OFEnumerating
/*!
* @brief Returns an OFEnumerator to enumerate through all objects of the
* collection.
*
* @returns An OFEnumerator to enumerate through all objects of the collection
*/
- (OFEnumerator*)objectEnumerator;
@end
/*!
* @brief A class which provides methods to enumerate through collections.
*/
@interface OFEnumerator: OFObject
/*!
* @brief Returns the next object.
*
* @return The next object
*/
- (id)nextObject;
/*!
* @brief Resets the enumerator, so the next call to nextObject returns the
* first object again.
*/
- (void)reset;
@end
/*
* This needs to be exactly like this because it's hardcoded in the compiler.
*
* We need this bad check to see if we already imported Cocoa, which defines
* this as well.
*/
#define of_fast_enumeration_state_t NSFastEnumerationState
#ifndef NSINTEGER_DEFINED
/*!
* @brief State information for fast enumerations.
*/
typedef struct of_fast_enumeration_state_t {
/// Arbitrary state information for the enumeration
unsigned long state;
/// Pointer to a C array of objects to return
__unsafe_unretained id *itemsPtr;
/// Arbitrary state information to detect mutations
unsigned long *mutationsPtr;
/// Additional arbitrary state information
unsigned long extra[5];
} of_fast_enumeration_state_t;
#endif
/*!
* @brief A protocol for fast enumeration.
*
* The OFFastEnumeration protocol needs to be implemented by all classes
* supporting fast enumeration.
*/
@protocol OFFastEnumeration
/*!
* @brief A method which is called by the code produced by the compiler when
* doing a fast enumeration.
*
* @param state Context information for the enumeration
* @param objects A pointer to an array where to put the objects
* @param count The number of objects that can be stored at objects
* @return The number of objects returned in objects or 0 when the enumeration
* finished.
*/
- (int)countByEnumeratingWithState: (of_fast_enumeration_state_t*)state
objects: (__unsafe_unretained id*)objects
count: (int)count;
@end
|