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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "file-option.h"
#include "command/serialize.h"
#include "editor.h"
#include "editorconfig/editorconfig.h"
#include "error.h"
#include "options.h"
#include "regexp.h"
#include "util/debug.h"
#include "util/str-util.h"
#include "util/xmalloc.h"
typedef struct {
FileOptionType type;
char **strs;
union {
char *filetype;
CachedRegexp *filename;
} u;
} FileOption;
static void set_options(EditorState *e, char **args)
{
for (size_t i = 0; args[i]; i += 2) {
set_option(e, args[i], args[i + 1], true, false);
}
}
void set_editorconfig_options(Buffer *buffer)
{
LocalOptions *options = &buffer->options;
if (!options->editorconfig) {
return;
}
const char *path = buffer->abs_filename;
char cwd[8192];
if (!path) {
// For buffers with no associated filename, use a dummy path of
// "$PWD/__", to obtain generic settings for the working directory
// or the user's default settings
static const char suffix[] = "/__";
if (unlikely(!getcwd(cwd, sizeof(cwd) - sizeof(suffix)))) {
return;
}
memcpy(cwd + strlen(cwd), suffix, sizeof(suffix));
path = cwd;
}
EditorConfigOptions opts;
if (get_editorconfig_options(path, &opts) != 0) {
return;
}
switch (opts.indent_style) {
case INDENT_STYLE_SPACE:
options->expand_tab = true;
options->emulate_tab = true;
options->detect_indent = 0;
break;
case INDENT_STYLE_TAB:
options->expand_tab = false;
options->emulate_tab = false;
options->detect_indent = 0;
break;
case INDENT_STYLE_UNSPECIFIED:
break;
}
const unsigned int indent_size = opts.indent_size;
if (indent_size > 0 && indent_size <= INDENT_WIDTH_MAX) {
options->indent_width = indent_size;
options->detect_indent = 0;
}
const unsigned int tab_width = opts.tab_width;
if (tab_width > 0 && tab_width <= TAB_WIDTH_MAX) {
options->tab_width = tab_width;
}
const unsigned int max_line_length = opts.max_line_length;
if (max_line_length > 0 && max_line_length <= TEXT_WIDTH_MAX) {
options->text_width = max_line_length;
}
}
void set_file_options(EditorState *e, Buffer *buffer)
{
for (size_t i = 0, n = e->file_options.count; i < n; i++) {
const FileOption *opt = e->file_options.ptrs[i];
if (opt->type == FOPTS_FILETYPE) {
if (streq(opt->u.filetype, buffer->options.filetype)) {
set_options(e, opt->strs);
}
continue;
}
BUG_ON(opt->type != FOPTS_FILENAME);
const char *filename = buffer->abs_filename;
if (!filename) {
continue;
}
const regex_t *re = &opt->u.filename->re;
regmatch_t m;
if (regexp_exec(re, filename, strlen(filename), 0, &m, 0)) {
set_options(e, opt->strs);
}
}
}
bool add_file_options(PointerArray *file_options, FileOptionType type, StringView str, char **strs, size_t nstrs)
{
size_t len = str.length;
if (unlikely(len == 0)) {
const char *desc = (type == FOPTS_FILETYPE) ? "filetype" : "pattern";
return error_msg("can't add option with empty %s", desc);
}
FileOption *opt = xnew(FileOption, 1);
if (type == FOPTS_FILETYPE) {
opt->u.filetype = xstrcut(str.data, len);
goto append;
}
BUG_ON(type != FOPTS_FILENAME);
CachedRegexp *r = xmalloc(sizeof(*r) + len + 1);
memcpy(r->str, str.data, len);
r->str[len] = '\0';
opt->u.filename = r;
int err = regcomp(&r->re, r->str, DEFAULT_REGEX_FLAGS | REG_NEWLINE | REG_NOSUB);
if (unlikely(err)) {
regexp_error_msg(&r->re, r->str, err);
free(r);
free(opt);
return false;
}
append:
opt->type = type;
opt->strs = copy_string_array(strs, nstrs);
ptr_array_append(file_options, opt);
return true;
}
void dump_file_options(const PointerArray *file_options, String *buf)
{
for (size_t i = 0, n = file_options->count; i < n; i++) {
const FileOption *opt = file_options->ptrs[i];
const char *tp;
if (opt->type == FOPTS_FILENAME) {
tp = opt->u.filename->str;
} else {
tp = opt->u.filetype;
}
char **strs = opt->strs;
string_append_literal(buf, "option ");
if (opt->type == FOPTS_FILENAME) {
string_append_literal(buf, "-r ");
}
if (str_has_prefix(tp, "-") || string_array_contains_prefix(strs, "-")) {
string_append_literal(buf, "-- ");
}
string_append_escaped_arg(buf, tp, true);
for (size_t j = 0; strs[j]; j += 2) {
string_append_byte(buf, ' ');
string_append_cstring(buf, strs[j]);
string_append_byte(buf, ' ');
string_append_escaped_arg(buf, strs[j + 1], true);
}
string_append_byte(buf, '\n');
}
}
static void free_file_option(FileOption *opt)
{
if (opt->type == FOPTS_FILENAME) {
free_cached_regexp(opt->u.filename);
} else {
BUG_ON(opt->type != FOPTS_FILETYPE);
free(opt->u.filetype);
}
free_string_array(opt->strs);
free(opt);
}
void free_file_options(PointerArray *file_options)
{
ptr_array_free_cb(file_options, FREE_FUNC(free_file_option));
}
|
