libcutils

libcutils/include/cutils/dyn_string.h
dyn_string.h
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1#ifndef CUTILS_DYN_STRING_H
2#define CUTILS_DYN_STRING_H
3
4#define STRING_DEFAULT_SIZE 8
5
6#include <stdlib.h>
7#include <string.h>
8#include <cutils/common.h>
9
10typedef struct String
11{
12 char* chars;
13 size_t capacity;
14 size_t length;
15 bool null_terminated;
16} String;
17
18String* string_with_capacity(size_t capacity, bool null_terminated);
19void delete_string(String* string);
20
21HEDLEY_INLINE
22static char string_at(const String* string, size_t index)
23{
24 return string->chars[index];
25}
26
27char string_pop_at(String* string, size_t index);
28
29bool string_insert(String* string, size_t index, char character);
30
31HEDLEY_INLINE
32static void string_remove(String* string, size_t index)
33{
34 if(index < string->length)
35 {
36 memmove(string->chars+index, string->chars+index+1, (string->length-index-1+(string->null_terminated?1:0))*sizeof(*string->chars));
37 string->length--;
38 }
39}
40void string_remove_range(String* string, size_t index, size_t length);
41size_t string_strip(String* string, char character);
42
43bool string_grow(String* string, size_t add);
44bool string_adjust_size(String* string, size_t size);
45bool string_find_char(const String* haystack, char needle, size_t* pos);
46HEDLEY_INLINE
47static bool string_find_str(const String* haystack, const String* needle, size_t* pos)
48{
49 return cutil_memmem(haystack->chars, haystack->length, needle->chars, needle->length, pos);
50}
51int string_cmp(const String* s1, const String* s2);
52
53size_t string_count(const String* string, char character);
54
55bool string_concat(String* string, const String* other);
56
57String* from_cstring(const char* cstring, bool null_terminated);
58String* from_cstring_reuse(char* cstring, size_t capacity, bool null_terminated);
59String* from_cstring_del(char* cstring, bool null_terminated);
60char* to_cstring(const String* string);
61char* to_cstring_del(String* string);
62void string_move(String* dest, String* src);
63
64#define new_string(null_terminated) string_with_capacity(STRING_DEFAULT_SIZE, null_terminated)
65#define string_pop(string) string_pop_at(string, string->length-1)
66#define string_push(string, character) string_insert(string, string->length, character)
67
68#endif /* CUTILS_DYN_STRING_H */
69