34 static void cx_empty_map_noop(__attribute__((__unused__)) CxMap *map) { |
34 static void cx_empty_map_noop(__attribute__((__unused__)) CxMap *map) { |
35 // this is a noop, but MUST be implemented |
35 // this is a noop, but MUST be implemented |
36 } |
36 } |
37 |
37 |
38 static void *cx_empty_map_get( |
38 static void *cx_empty_map_get( |
39 __attribute__((__unused__)) CxMap const *map, |
39 __attribute__((__unused__)) const CxMap *map, |
40 __attribute__((__unused__)) CxHashKey key |
40 __attribute__((__unused__)) CxHashKey key |
41 ) { |
41 ) { |
42 return NULL; |
42 return NULL; |
43 } |
43 } |
44 |
44 |
45 static bool cx_empty_map_iter_valid(__attribute__((__unused__)) void const *iter) { |
45 static bool cx_empty_map_iter_valid(__attribute__((__unused__)) const void *iter) { |
46 return false; |
46 return false; |
47 } |
47 } |
48 |
48 |
49 static CxIterator cx_empty_map_iterator( |
49 static CxIterator cx_empty_map_iterator( |
50 struct cx_map_s const *map, |
50 const struct cx_map_s *map, |
51 __attribute__((__unused__)) enum cx_map_iterator_type type |
51 __attribute__((__unused__)) enum cx_map_iterator_type type |
52 ) { |
52 ) { |
53 CxIterator iter = {0}; |
53 CxIterator iter = {0}; |
54 iter.src_handle = map; |
54 iter.src_handle.c = map; |
55 iter.base.valid = cx_empty_map_iter_valid; |
55 iter.base.valid = cx_empty_map_iter_valid; |
56 return iter; |
56 return iter; |
57 } |
57 } |
58 |
58 |
59 static struct cx_map_class_s cx_empty_map_class = { |
59 static struct cx_map_class_s cx_empty_map_class = { |
64 NULL, |
64 NULL, |
65 cx_empty_map_iterator |
65 cx_empty_map_iterator |
66 }; |
66 }; |
67 |
67 |
68 CxMap cx_empty_map = { |
68 CxMap cx_empty_map = { |
69 NULL, |
69 { |
70 NULL, |
70 NULL, |
71 0, |
71 NULL, |
72 0, |
72 0, |
73 NULL, |
73 0, |
74 NULL, |
74 NULL, |
75 NULL, |
75 NULL, |
76 false, |
76 NULL, |
|
77 false |
|
78 }, |
77 &cx_empty_map_class |
79 &cx_empty_map_class |
78 }; |
80 }; |
79 |
81 |
80 CxMap *const cxEmptyMap = &cx_empty_map; |
82 CxMap *const cxEmptyMap = &cx_empty_map; |
81 |
83 |
82 // </editor-fold> |
84 // </editor-fold> |
83 |
85 |
84 CxMutIterator cxMapMutIteratorValues(CxMap *map) { |
86 CxIterator cxMapMutIteratorValues(CxMap *map) { |
85 CxIterator it = map->cl->iterator(map, CX_MAP_ITERATOR_VALUES); |
87 CxIterator it = map->cl->iterator(map, CX_MAP_ITERATOR_VALUES); |
86 it.base.mutating = true; |
88 it.base.mutating = true; |
87 |
89 return it; |
88 // we know the iterators share the same memory layout |
|
89 CxMutIterator iter; |
|
90 memcpy(&iter, &it, sizeof(CxMutIterator)); |
|
91 return iter; |
|
92 } |
90 } |
93 |
91 |
94 CxMutIterator cxMapMutIteratorKeys(CxMap *map) { |
92 CxIterator cxMapMutIteratorKeys(CxMap *map) { |
95 CxIterator it = map->cl->iterator(map, CX_MAP_ITERATOR_KEYS); |
93 CxIterator it = map->cl->iterator(map, CX_MAP_ITERATOR_KEYS); |
96 it.base.mutating = true; |
94 it.base.mutating = true; |
97 |
95 return it; |
98 // we know the iterators share the same memory layout |
|
99 CxMutIterator iter; |
|
100 memcpy(&iter, &it, sizeof(CxMutIterator)); |
|
101 return iter; |
|
102 } |
96 } |
103 |
97 |
104 CxMutIterator cxMapMutIterator(CxMap *map) { |
98 CxIterator cxMapMutIterator(CxMap *map) { |
105 CxIterator it = map->cl->iterator(map, CX_MAP_ITERATOR_PAIRS); |
99 CxIterator it = map->cl->iterator(map, CX_MAP_ITERATOR_PAIRS); |
106 it.base.mutating = true; |
100 it.base.mutating = true; |
107 |
101 return it; |
108 // we know the iterators share the same memory layout |
|
109 CxMutIterator iter; |
|
110 memcpy(&iter, &it, sizeof(CxMutIterator)); |
|
111 return iter; |
|
112 } |
102 } |