зеркало из https://github.com/microsoft/git.git
122 строки
4.9 KiB
C
122 строки
4.9 KiB
C
#ifndef STRING_LIST_H
|
|
#define STRING_LIST_H
|
|
|
|
struct string_list_item {
|
|
char *string;
|
|
void *util;
|
|
};
|
|
|
|
typedef int (*compare_strings_fn)(const char *, const char *);
|
|
|
|
struct string_list {
|
|
struct string_list_item *items;
|
|
unsigned int nr, alloc;
|
|
unsigned int strdup_strings:1;
|
|
compare_strings_fn cmp; /* NULL uses strcmp() */
|
|
};
|
|
|
|
#define STRING_LIST_INIT_NODUP { NULL, 0, 0, 0, NULL }
|
|
#define STRING_LIST_INIT_DUP { NULL, 0, 0, 1, NULL }
|
|
|
|
void print_string_list(const struct string_list *p, const char *text);
|
|
void string_list_clear(struct string_list *list, int free_util);
|
|
|
|
/* Use this function to call a custom clear function on each util pointer */
|
|
/* The string associated with the util pointer is passed as the second argument */
|
|
typedef void (*string_list_clear_func_t)(void *p, const char *str);
|
|
void string_list_clear_func(struct string_list *list, string_list_clear_func_t clearfunc);
|
|
|
|
/* Use this function or the macro below to iterate over each item */
|
|
typedef int (*string_list_each_func_t)(struct string_list_item *, void *);
|
|
int for_each_string_list(struct string_list *list,
|
|
string_list_each_func_t, void *cb_data);
|
|
#define for_each_string_list_item(item,list) \
|
|
for (item = (list)->items; item < (list)->items + (list)->nr; ++item)
|
|
|
|
/*
|
|
* Apply want to each item in list, retaining only the ones for which
|
|
* the function returns true. If free_util is true, call free() on
|
|
* the util members of any items that have to be deleted. Preserve
|
|
* the order of the items that are retained.
|
|
*/
|
|
void filter_string_list(struct string_list *list, int free_util,
|
|
string_list_each_func_t want, void *cb_data);
|
|
|
|
/*
|
|
* Remove any empty strings from the list. If free_util is true, call
|
|
* free() on the util members of any items that have to be deleted.
|
|
* Preserve the order of the items that are retained.
|
|
*/
|
|
void string_list_remove_empty_items(struct string_list *list, int free_util);
|
|
|
|
/* Use these functions only on sorted lists: */
|
|
int string_list_has_string(const struct string_list *list, const char *string);
|
|
int string_list_find_insert_index(const struct string_list *list, const char *string,
|
|
int negative_existing_index);
|
|
struct string_list_item *string_list_insert(struct string_list *list, const char *string);
|
|
struct string_list_item *string_list_insert_at_index(struct string_list *list,
|
|
int insert_at, const char *string);
|
|
struct string_list_item *string_list_lookup(struct string_list *list, const char *string);
|
|
|
|
/*
|
|
* Remove all but the first of consecutive entries with the same
|
|
* string value. If free_util is true, call free() on the util
|
|
* members of any items that have to be deleted.
|
|
*/
|
|
void string_list_remove_duplicates(struct string_list *sorted_list, int free_util);
|
|
|
|
|
|
/* Use these functions only on unsorted lists: */
|
|
|
|
/*
|
|
* Add string to the end of list. If list->strdup_string is set, then
|
|
* string is copied; otherwise the new string_list_entry refers to the
|
|
* input string.
|
|
*/
|
|
struct string_list_item *string_list_append(struct string_list *list, const char *string);
|
|
|
|
/*
|
|
* Like string_list_append(), except string is never copied. When
|
|
* list->strdup_strings is set, this function can be used to hand
|
|
* ownership of a malloc()ed string to list without making an extra
|
|
* copy.
|
|
*/
|
|
struct string_list_item *string_list_append_nodup(struct string_list *list, char *string);
|
|
|
|
void sort_string_list(struct string_list *list);
|
|
int unsorted_string_list_has_string(struct string_list *list, const char *string);
|
|
struct string_list_item *unsorted_string_list_lookup(struct string_list *list,
|
|
const char *string);
|
|
|
|
void unsorted_string_list_delete_item(struct string_list *list, int i, int free_util);
|
|
|
|
/*
|
|
* Split string into substrings on character delim and append the
|
|
* substrings to list. The input string is not modified.
|
|
* list->strdup_strings must be set, as new memory needs to be
|
|
* allocated to hold the substrings. If maxsplit is non-negative,
|
|
* then split at most maxsplit times. Return the number of substrings
|
|
* appended to list.
|
|
*
|
|
* Examples:
|
|
* string_list_split(l, "foo:bar:baz", ':', -1) -> ["foo", "bar", "baz"]
|
|
* string_list_split(l, "foo:bar:baz", ':', 0) -> ["foo:bar:baz"]
|
|
* string_list_split(l, "foo:bar:baz", ':', 1) -> ["foo", "bar:baz"]
|
|
* string_list_split(l, "foo:bar:", ':', -1) -> ["foo", "bar", ""]
|
|
* string_list_split(l, "", ':', -1) -> [""]
|
|
* string_list_split(l, ":", ':', -1) -> ["", ""]
|
|
*/
|
|
int string_list_split(struct string_list *list, const char *string,
|
|
int delim, int maxsplit);
|
|
|
|
/*
|
|
* Like string_list_split(), except that string is split in-place: the
|
|
* delimiter characters in string are overwritten with NULs, and the
|
|
* new string_list_items point into string (which therefore must not
|
|
* be modified or freed while the string_list is in use).
|
|
* list->strdup_strings must *not* be set.
|
|
*/
|
|
int string_list_split_in_place(struct string_list *list, char *string,
|
|
int delim, int maxsplit);
|
|
#endif /* STRING_LIST_H */
|