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
|
#ifndef _TEXT_H
#define _TEXT_H
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include "location.h"
struct text;
struct render_command;
struct text *text_create(uint32_t initial_capacity);
void text_destroy(struct text *text);
/**
* Clear the text without reclaiming memory
*/
void text_clear(struct text *text);
void text_insert_at(struct text *text, uint32_t line, uint32_t col,
uint8_t *bytes, uint32_t nbytes, uint32_t *lines_added,
uint32_t *cols_added);
void text_append(struct text *text, uint8_t *bytes, uint32_t nbytes,
uint32_t *lines_added, uint32_t *cols_added);
void text_delete(struct text *text, uint32_t start_line, uint32_t start_col,
uint32_t end_line, uint32_t end_col);
uint32_t text_num_lines(struct text *text);
uint32_t text_line_length(struct text *text, uint32_t lineidx);
uint32_t text_line_size(struct text *text, uint32_t lineidx);
uint32_t text_col_to_byteindex(struct text *text, uint32_t line, uint32_t col);
uint32_t text_byteindex_to_col(struct text *text, uint32_t line,
uint32_t byteindex);
uint32_t text_global_idx(struct text *text, uint32_t line, uint32_t col);
struct text_chunk {
uint8_t *text;
uint32_t nbytes;
uint32_t nchars;
uint32_t line;
bool allocated;
};
typedef void (*chunk_cb)(struct text_chunk *chunk, void *userdata);
void text_for_each_line(struct text *text, uint32_t line, uint32_t nlines,
chunk_cb callback, void *userdata);
void text_for_each_chunk(struct text *text, chunk_cb callback, void *userdata);
struct text_chunk text_get_line(struct text *text, uint32_t line);
struct text_chunk text_get_region(struct text *text, uint32_t start_line,
uint32_t start_col, uint32_t end_line,
uint32_t end_col);
bool text_line_contains_unicode(struct text *text, uint32_t line);
enum text_property_type {
TextProperty_Colors,
TextProperty_Data,
};
struct text_property_colors {
bool set_fg;
uint32_t fg;
bool set_bg;
uint32_t bg;
};
struct text_property {
enum text_property_type type;
union {
struct text_property_colors colors;
void *userdata;
};
};
void text_add_property(struct text *text, struct location start,
struct location end, struct text_property property);
void text_get_properties(struct text *text, struct location location,
struct text_property **properties,
uint32_t max_nproperties, uint32_t *nproperties);
void text_clear_properties(struct text *text);
#endif
|
