slice/slice.h at master · jgbaldwinbrown/slice · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "smalloc.h"
#include <stdbool.h>

#ifndef SLICE_H
#define SLICE_H

typedef struct dynarray {
    ssize_t cap;
    ssize_t base;
    ssize_t item_width;
    char * array;
} dynarray;

typedef struct slice {
    ssize_t start;
    ssize_t len;
    dynarray *parent;
} slice;

slice new_slice(ssize_t cap, ssize_t base, ssize_t item_width);
slice new_slice_from_arr(void *arr, ssize_t cap, ssize_t base, ssize_t item_width);
dynarray *new_dynarray(ssize_t cap, ssize_t base, ssize_t item_width);
void free_slice(slice aslice);
slice dup_slice(slice inslice);

void grow_dynarray(dynarray *darray, ssize_t length_needed);
void shift_dynarray(dynarray *darray, ssize_t shift_dist);
slice append_slice(slice aslice, const void *item);
slice slice_append_slice(slice aslice, slice to_add);
slice lappend_slice(slice aslice, const void *item);
slice slice_lappend_slice(slice aslice, slice to_add);
slice extend_slice(slice s, const void *item, ssize_t nmemb);
slice lextend_slice(slice s, const void *item, ssize_t nmemb);
slice set_slice_arr(slice s, const void *item, ssize_t nmemb);
slice set_slice(slice dest, slice source);
slice concat_slices(slice dest, slice source);
slice split_slice(slice to_split, slice separators);
slice tokenize_slice(slice to_split, slice separators);

void print_slice(slice aslice, void (*fp) (void *));
void introspect_slice(slice aslice, void (*fp) (void *));
void print_double(void *d);
void print_char(void *d);
void print_long_long(void *d);

struct slice sub_slice(slice parent, ssize_t start, ssize_t len);
void slice_extract(void *dest, slice source);
slice slice_extract_slice(slice source);
void *slice_get_ptr(slice source);

#define NEW_SLICE_TYPE_HEADER( MY_TYPE, MY_NAME ) \
typedef struct MY_NAME ## _slice {\
    ssize_t start;\
    ssize_t len;\
    dynarray *parent;\
} MY_NAME ## _slice;\
\
MY_NAME ## _slice MY_NAME ## _append_slice(MY_NAME ## _slice aslice, MY_TYPE to_add);\
MY_NAME ## _slice MY_NAME ## _lappend_slice(MY_NAME ## _slice aslice, MY_TYPE to_add);\
MY_TYPE slice_extract_ ## MY_NAME(MY_NAME ## _slice source);\
MY_TYPE slice_extract_one_ ## MY_NAME(MY_NAME ## _slice source);\
MY_NAME ## _slice MY_NAME ## _new_slice(ssize_t cap, ssize_t base);\
MY_NAME ## _slice MY_NAME ## _new_slice_from_arr(MY_TYPE *arr, ssize_t cap, ssize_t base);\
MY_NAME ## _slice MY_NAME ## _extend_slice(MY_NAME ## _slice s, const MY_TYPE *item, ssize_t nmemb);\
MY_NAME ## _slice MY_NAME ## _lextend_slice(MY_NAME ## _slice s, const MY_TYPE *item, ssize_t nmemb);\
MY_NAME ## _slice MY_NAME ## _set_slice_arr(MY_NAME ## _slice s, const MY_TYPE *item, ssize_t nmemb);\
\
void MY_NAME ## _free_slice(MY_NAME ## _slice aslice);\
MY_NAME ## _slice MY_NAME ## _dup_slice(MY_NAME ## _slice inslice);\
MY_NAME ## _slice MY_NAME ## _set_slice(MY_NAME ## _slice dest, MY_NAME ## _slice source);\
MY_NAME ## _slice MY_NAME ## _concat_slices(MY_NAME ## _slice dest, MY_NAME ## _slice source);\
void MY_NAME ## _print_slice(MY_NAME ## _slice aslice, void (*fp) (void *));\
void MY_NAME ## _introspect_slice(MY_NAME ## _slice aslice, void (*fp) (void *));\
struct MY_NAME ## _slice MY_NAME ## _sub_slice(MY_NAME ## _slice parent, ssize_t start, ssize_t len);\
MY_TYPE * MY_NAME ## _slice_get_ptr(MY_NAME ## _slice source);\
MY_NAME ## _slice MY_NAME ## _slice_gen2type(slice s);\
slice MY_NAME ## _slice_type2gen(MY_NAME ## _slice t);

#define NEW_SLICE_TYPE( MY_TYPE, MY_NAME ) \
\
MY_NAME ## _slice MY_NAME ## _slice_gen2type(slice s) {\
    MY_NAME ## _slice t;\
    t.len = s.len;\
    t.parent = s.parent;\
    t.start = s.start;\
    return t;\
}\
\
slice MY_NAME ## _slice_type2gen(MY_NAME ## _slice t) {\
    slice s;\
    s.len = t.len;\
    s.parent = t.parent;\
    s.start = t.start;\
    return s;\
}\
\
MY_NAME ## _slice MY_NAME ## _append_slice(MY_NAME ## _slice aslice, MY_TYPE item) {\
    return MY_NAME ## _slice_gen2type(append_slice(MY_NAME ## _slice_type2gen(aslice), &item));\
}\
\
MY_NAME ## _slice MY_NAME ## _lappend_slice(MY_NAME ## _slice aslice, MY_TYPE item) {\
    return MY_NAME ## _slice_gen2type(lextend_slice(MY_NAME ## _slice_type2gen(aslice), &item, 1));\
}\
\
MY_TYPE slice_extract_## MY_NAME(struct MY_NAME ## _slice source) {\
    MY_TYPE buf;\
    dynarray d = *source.parent;\
    memcpy(&buf, slice_get_ptr(MY_NAME ## _slice_type2gen(source)), d.item_width);\
    return buf;\
}\
\
MY_NAME ## _slice MY_NAME ## _new_slice(ssize_t cap, ssize_t base) {\
    return MY_NAME ## _slice_gen2type(new_slice(cap, base, sizeof(MY_TYPE)));\
}\
\
MY_NAME ## _slice MY_NAME ## _new_slice_from_arr(MY_TYPE *arr, ssize_t cap, ssize_t base) {\
    return MY_NAME ## _slice_gen2type(new_slice_from_arr(arr, cap, base, sizeof(MY_TYPE)));\
}\
\
MY_NAME ## _slice MY_NAME ## _extend_slice(MY_NAME ## _slice s, const MY_TYPE *item, ssize_t nmemb) {\
    return MY_NAME ## _slice_gen2type(extend_slice(MY_NAME ## _slice_type2gen(s), item, nmemb));\
}\
\
MY_NAME ## _slice MY_NAME ## _lextend_slice(MY_NAME ## _slice s, const MY_TYPE *item, ssize_t nmemb) {\
    return MY_NAME ## _slice_gen2type(lextend_slice(MY_NAME ## _slice_type2gen(s), item, nmemb));\
}\
\
MY_NAME ## _slice MY_NAME ## _set_slice_arr(MY_NAME ## _slice s, const MY_TYPE *item, ssize_t nmemb) {\
    return MY_NAME ## _slice_gen2type(set_slice_arr(MY_NAME ## _slice_type2gen(s), item, nmemb));\
}\
\
\
void MY_NAME ## _free_slice(MY_NAME ## _slice aslice) {\
    free_slice(MY_NAME ## _slice_type2gen(aslice));\
}\
\
MY_NAME ## _slice MY_NAME ## _dup_slice(MY_NAME ## _slice inslice) {\
    return MY_NAME ## _slice_gen2type(dup_slice(MY_NAME ## _slice_type2gen(inslice)));\
}\
\
MY_NAME ## _slice MY_NAME ## _set_slice(MY_NAME ## _slice dest, MY_NAME ## _slice source) {\
    return MY_NAME ## _slice_gen2type(set_slice(MY_NAME ## _slice_type2gen(dest), MY_NAME ## _slice_type2gen(source)));\
}\
\
MY_NAME ## _slice MY_NAME ## _concat_slices(MY_NAME ## _slice dest, MY_NAME ## _slice source) {\
    return MY_NAME ## _slice_gen2type(concat_slices(MY_NAME ## _slice_type2gen(dest), MY_NAME ## _slice_type2gen(source)));\
}\
\
void MY_NAME ## _print_slice(MY_NAME ## _slice aslice, void (*fp) (void *)) {\
    print_slice(MY_NAME ## _slice_type2gen(aslice), fp);\
}\
\
void MY_NAME ## _introspect_slice(MY_NAME ## _slice aslice, void (*fp) (void *)) {\
    introspect_slice(MY_NAME ## _slice_type2gen(aslice), fp);\
}\
\
struct MY_NAME ## _slice MY_NAME ## _sub_slice(MY_NAME ## _slice parent, ssize_t start, ssize_t len) {\
    return MY_NAME ## _slice_gen2type(sub_slice(MY_NAME ## _slice_type2gen(parent), start, len));\
}\
\
MY_TYPE * MY_NAME ## _slice_get_ptr(MY_NAME ## _slice source) {\
    return (MY_TYPE *) slice_get_ptr(MY_NAME ## _slice_type2gen(source));\
}

#endif