Skip to content
Newer
Older
100644 197 lines (171 sloc) 4.71 KB
c455c87 @dscho Rename path_list to string_list
dscho authored Jul 21, 2008
1 #include "cache.h"
2 #include "string-list.h"
3
4 /* if there is no exact match, point to the index where the entry could be
5 * inserted */
6 static int get_entry_index(const struct string_list *list, const char *string,
7 int *exact_match)
8 {
9 int left = -1, right = list->nr;
10
11 while (left + 1 < right) {
12 int middle = (left + right) / 2;
13 int compare = strcmp(string, list->items[middle].string);
14 if (compare < 0)
15 right = middle;
16 else if (compare > 0)
17 left = middle;
18 else {
19 *exact_match = 1;
20 return middle;
21 }
22 }
23
24 *exact_match = 0;
25 return right;
26 }
27
28 /* returns -1-index if already exists */
cfa1ee6 Add find_insert_index, insert_at_index and clear_func functions to st…
Marius Storm-Olsen authored Feb 8, 2009
29 static int add_entry(int insert_at, struct string_list *list, const char *string)
c455c87 @dscho Rename path_list to string_list
dscho authored Jul 21, 2008
30 {
cfa1ee6 Add find_insert_index, insert_at_index and clear_func functions to st…
Marius Storm-Olsen authored Feb 8, 2009
31 int exact_match = 0;
32 int index = insert_at != -1 ? insert_at : get_entry_index(list, string, &exact_match);
c455c87 @dscho Rename path_list to string_list
dscho authored Jul 21, 2008
33
34 if (exact_match)
35 return -1 - index;
36
37 if (list->nr + 1 >= list->alloc) {
38 list->alloc += 32;
39 list->items = xrealloc(list->items, list->alloc
40 * sizeof(struct string_list_item));
41 }
42 if (index < list->nr)
43 memmove(list->items + index + 1, list->items + index,
44 (list->nr - index)
45 * sizeof(struct string_list_item));
46 list->items[index].string = list->strdup_strings ?
47 xstrdup(string) : (char *)string;
48 list->items[index].util = NULL;
49 list->nr++;
50
51 return index;
52 }
53
78a395d @qur string_list: Fix argument order for string_list_insert
qur authored Jun 26, 2010
54 struct string_list_item *string_list_insert(struct string_list *list, const char *string)
c455c87 @dscho Rename path_list to string_list
dscho authored Jul 21, 2008
55 {
aadceea @qur string_list: Fix argument order for string_list_insert_at_index
qur authored Jun 26, 2010
56 return string_list_insert_at_index(list, -1, string);
cfa1ee6 Add find_insert_index, insert_at_index and clear_func functions to st…
Marius Storm-Olsen authored Feb 8, 2009
57 }
58
aadceea @qur string_list: Fix argument order for string_list_insert_at_index
qur authored Jun 25, 2010
59 struct string_list_item *string_list_insert_at_index(struct string_list *list,
60 int insert_at, const char *string)
cfa1ee6 Add find_insert_index, insert_at_index and clear_func functions to st…
Marius Storm-Olsen authored Feb 8, 2009
61 {
62 int index = add_entry(insert_at, list, string);
c455c87 @dscho Rename path_list to string_list
dscho authored Jul 21, 2008
63
64 if (index < 0)
65 index = -1 - index;
66
67 return list->items + index;
68 }
69
70 int string_list_has_string(const struct string_list *list, const char *string)
71 {
72 int exact_match;
73 get_entry_index(list, string, &exact_match);
74 return exact_match;
75 }
76
cfa1ee6 Add find_insert_index, insert_at_index and clear_func functions to st…
Marius Storm-Olsen authored Feb 8, 2009
77 int string_list_find_insert_index(const struct string_list *list, const char *string,
78 int negative_existing_index)
79 {
80 int exact_match;
81 int index = get_entry_index(list, string, &exact_match);
82 if (exact_match)
83 index = -1 - (negative_existing_index ? index : 0);
84 return index;
85 }
86
e8c8b71 @qur string_list: Fix argument order for string_list_lookup
qur authored Jun 26, 2010
87 struct string_list_item *string_list_lookup(struct string_list *list, const char *string)
c455c87 @dscho Rename path_list to string_list
dscho authored Jul 21, 2008
88 {
89 int exact_match, i = get_entry_index(list, string, &exact_match);
90 if (!exact_match)
91 return NULL;
92 return list->items + i;
93 }
94
b684e97 @qur string_list: Fix argument order for for_each_string_list
qur authored Jun 26, 2010
95 int for_each_string_list(struct string_list *list,
96 string_list_each_func_t fn, void *cb_data)
c6f5a7a @jaysoffian string-list: new for_each_string_list() function
jaysoffian authored Feb 25, 2009
97 {
98 int i, ret = 0;
99 for (i = 0; i < list->nr; i++)
100 if ((ret = fn(&list->items[i], cb_data)))
101 break;
102 return ret;
103 }
104
c455c87 @dscho Rename path_list to string_list
dscho authored Jul 21, 2008
105 void string_list_clear(struct string_list *list, int free_util)
106 {
107 if (list->items) {
108 int i;
109 if (list->strdup_strings) {
110 for (i = 0; i < list->nr; i++)
111 free(list->items[i].string);
112 }
113 if (free_util) {
114 for (i = 0; i < list->nr; i++)
115 free(list->items[i].util);
116 }
117 free(list->items);
118 }
119 list->items = NULL;
120 list->nr = list->alloc = 0;
121 }
122
cfa1ee6 Add find_insert_index, insert_at_index and clear_func functions to st…
Marius Storm-Olsen authored Feb 8, 2009
123 void string_list_clear_func(struct string_list *list, string_list_clear_func_t clearfunc)
124 {
125 if (list->items) {
126 int i;
127 if (clearfunc) {
128 for (i = 0; i < list->nr; i++)
129 clearfunc(list->items[i].util, list->items[i].string);
130 }
131 if (list->strdup_strings) {
132 for (i = 0; i < list->nr; i++)
133 free(list->items[i].string);
134 }
135 free(list->items);
136 }
137 list->items = NULL;
138 list->nr = list->alloc = 0;
139 }
140
141
cb944f6 @qur string_list: Fix argument order for print_string_list
qur authored Jun 26, 2010
142 void print_string_list(const struct string_list *p, const char *text)
c455c87 @dscho Rename path_list to string_list
dscho authored Jul 21, 2008
143 {
144 int i;
145 if ( text )
146 printf("%s\n", text);
147 for (i = 0; i < p->nr; i++)
148 printf("%s:%p\n", p->items[i].string, p->items[i].util);
149 }
150
1d2f80f @qur string_list: Fix argument order for string_list_append
qur authored Jun 26, 2010
151 struct string_list_item *string_list_append(struct string_list *list, const char *string)
c455c87 @dscho Rename path_list to string_list
dscho authored Jul 21, 2008
152 {
153 ALLOC_GROW(list->items, list->nr + 1, list->alloc);
154 list->items[list->nr].string =
155 list->strdup_strings ? xstrdup(string) : (char *)string;
62b8102 @peff string_list_append: always set util pointer to NULL
peff authored Feb 12, 2011
156 list->items[list->nr].util = NULL;
c455c87 @dscho Rename path_list to string_list
dscho authored Jul 21, 2008
157 return list->items + list->nr++;
158 }
159
160 static int cmp_items(const void *a, const void *b)
161 {
162 const struct string_list_item *one = a;
163 const struct string_list_item *two = b;
164 return strcmp(one->string, two->string);
165 }
166
167 void sort_string_list(struct string_list *list)
168 {
169 qsort(list->items, list->nr, sizeof(*list->items), cmp_items);
170 }
171
e242148 @bebarino string-list: add unsorted_string_list_lookup()
bebarino authored Mar 24, 2010
172 struct string_list_item *unsorted_string_list_lookup(struct string_list *list,
173 const char *string)
c455c87 @dscho Rename path_list to string_list
dscho authored Jul 21, 2008
174 {
175 int i;
176 for (i = 0; i < list->nr; i++)
177 if (!strcmp(string, list->items[i].string))
e242148 @bebarino string-list: add unsorted_string_list_lookup()
bebarino authored Mar 24, 2010
178 return list->items + i;
179 return NULL;
180 }
181
182 int unsorted_string_list_has_string(struct string_list *list,
183 const char *string)
184 {
185 return unsorted_string_list_lookup(list, string) != NULL;
c455c87 @dscho Rename path_list to string_list
dscho authored Jul 21, 2008
186 }
187
86d4b52 string-list: Add API to remove an item from an unsorted list
Johannes Sixt authored Aug 11, 2011
188 void unsorted_string_list_delete_item(struct string_list *list, int i, int free_util)
189 {
190 if (list->strdup_strings)
191 free(list->items[i].string);
192 if (free_util)
193 free(list->items[i].util);
194 list->items[i] = list->items[list->nr-1];
195 list->nr--;
196 }
Something went wrong with that request. Please try again.