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
|
#include <stddef.h>
#include <string.h>
#include <unistd.h>
#include "vars.h"
#include "buffer.h"
#include "editor.h"
#include "selection.h"
#include "util/array.h"
#include "util/bsearch.h"
#include "util/numtostr.h"
#include "util/path.h"
#include "util/xmalloc.h"
#include "view.h"
typedef struct {
char name[12];
char *(*expand)(const EditorState *e);
} BuiltinVar;
static char *expand_dte_home(const EditorState *e)
{
return xstrdup(e->user_config_dir);
}
static char *expand_file(const EditorState *e)
{
if (!e->buffer || !e->buffer->abs_filename) {
return NULL;
}
return xstrdup(e->buffer->abs_filename);
}
static char *expand_file_dir(const EditorState *e)
{
if (!e->buffer || !e->buffer->abs_filename) {
return NULL;
}
return path_dirname(e->buffer->abs_filename);
}
static char *expand_rfile(const EditorState *e)
{
if (!e->buffer || !e->buffer->abs_filename) {
return NULL;
}
char buf[8192];
const char *cwd = getcwd(buf, sizeof buf);
const char *abs = e->buffer->abs_filename;
return likely(cwd) ? path_relative(abs, cwd) : xstrdup(abs);
}
static char *expand_filetype(const EditorState *e)
{
return e->buffer ? xstrdup(e->buffer->options.filetype) : NULL;
}
static char *expand_colno(const EditorState *e)
{
return e->view ? xstrdup(umax_to_str(e->view->cx_display + 1)) : NULL;
}
static char *expand_lineno(const EditorState *e)
{
return e->view ? xstrdup(umax_to_str(e->view->cy + 1)) : NULL;
}
static char *expand_word(const EditorState *e)
{
if (!e->view) {
return NULL;
}
size_t size;
char *selection = view_get_selection(e->view, &size);
if (selection) {
xrenew(selection, size + 1);
selection[size] = '\0';
return selection;
}
StringView word = view_get_word_under_cursor(e->view);
return word.length ? xstrcut(word.data, word.length) : NULL;
}
static const BuiltinVar normal_vars[] = {
{"COLNO", expand_colno},
{"DTE_HOME", expand_dte_home},
{"FILE", expand_file},
{"FILEDIR", expand_file_dir},
{"FILETYPE", expand_filetype},
{"LINENO", expand_lineno},
{"RFILE", expand_rfile},
{"WORD", expand_word},
};
UNITTEST {
CHECK_BSEARCH_ARRAY(normal_vars, name, strcmp);
}
bool expand_normal_var(const char *name, char **value, const void *userdata)
{
const BuiltinVar *var = BSEARCH(name, normal_vars, vstrcmp);
if (!var) {
return false;
}
*value = var->expand(userdata);
return true;
}
void collect_normal_vars(PointerArray *a, const char *prefix)
{
COLLECT_STRING_FIELDS(normal_vars, name, a, prefix);
}
|
