/
vars.c
160 lines (141 loc) · 3.13 KB
/
vars.c
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
/* Copyright (C) 1988-2018 Sean MacLennan */
#include "z.h"
/** @addtogroup zedit
* @{
*/
static void setavar(const char *vin, bool display);
void Zset_variable(void)
{
char pstr[STRMAX], arg[STRMAX];
int rc = getplete("Variable: ", NULL, (char **)Vars,
sizeof(struct avar), NUMVARS);
if (rc == -1)
return;
if (!Argp || Vars[rc].vtype == V_STRING) {
strconcat(pstr, sizeof(pstr), Vars[rc].vname, ": ", NULL);
if (Vars[rc].vtype == V_STRING)
if (VARSTR(rc))
strlcpy(arg, VARSTR(rc), sizeof(arg));
else
*arg = '\0';
else
strfmt(arg, sizeof(arg), "%d", VAR(rc));
if (getarg(pstr, arg, STRMAX))
return;
strconcat(pstr, sizeof(pstr), Vars[rc].vname, " ", arg, NULL);
setavar(pstr, true);
} else
setavar(Vars[rc].vname, true);
}
/* If there is a config.z file, read it! */
void readvfile(const char *fname)
{
struct buff *buff = bcreate();
if (!buff || breadfile(buff, fname, NULL)) {
terror("Unable to read config file\n");
exit(1);
}
while (bstrline(buff, PawStr, PAWSTRLEN))
setavar(PawStr, false);
bdelbuff(buff);
}
static void setit(int i, const char *ptr)
{
switch (Vars[i].vtype) {
case V_STRING:
if (strcmp(VARSTR(i), ptr))
VARSTR(i) = strdup(ptr);
break;
case V_FLAG:
if (strncasecmp(ptr, "true", 4) == 0)
VAR(i) = 1;
else if (strncasecmp(ptr, "false", 5) == 0)
VAR(i) = 0;
else
VAR(i) = strtol(ptr, NULL, 0);
break;
case V_DECIMAL:
VAR(i) = strtol(ptr, NULL, 0);
}
}
static void do_var_match(int i, const char *vin)
{
const char *ptr;
if (Argp && Vars[i].vtype != V_STRING)
VAR(i) = Arg;
else {
for (ptr = vin; *ptr && !isspace(*ptr); ++ptr)
;
while (isspace(*ptr))
++ptr;
if (*ptr)
setit(i, ptr);
}
/* Fillwidth must be > 0 */
if (VAR(VFILLWIDTH) == 0)
VAR(VFILLWIDTH) = 1;
/* Tabs must be >= 2 and <= 8 */
if (i == VTABS || i == VCTABS || i == VSHTABS) {
if (VAR(i) < 2)
VAR(i) = 2;
else if (VAR(i) > 8)
VAR(i) = 8;
}
}
static void setavar(const char *vin, bool display)
{
char msg[STRMAX + 1];
int i = 0;
strlcpy(msg, vin, sizeof(msg));
strtok(msg, " \t");
for (i = 0; i < NUMVARS; ++i)
if (strcasecmp(msg, Vars[i].vname) == 0) {
do_var_match(i, vin);
if (display) {
if (i == VTABS || i == VCTABS || i == VSHTABS) {
settabsize(Curbuff->bmode);
redisplay();
}
if (Vars[i].vtype == V_STRING) {
if (VARSTR(i))
putpaw("%s = %s",
Vars[i].vname,
VARSTR(i));
else
putpaw("%s = NONE",
Vars[i].vname);
} else
putpaw("%s = %d",
Vars[i].vname, VAR(i));
if (i == VCOMMENTS)
redisplay();
}
break;
}
if (i == NUMVARS) {
if (display)
putpaw("Variable '%s' Not Found", vin);
}
Arg = 0;
}
/* Tabs must be >= 2 and <= 8. Enforced in setavar. */
int Tabsize = 8;
/* Returns non-zero if tab size changed */
int settabsize(unsigned int mode)
{
switch (mode & MAJORMODE) {
case CMODE:
if (Tabsize == VAR(VCTABS))
return 0;
return Tabsize = VAR(VCTABS);
case SHMODE:
if (Tabsize == VAR(VSHTABS))
return 0;
return Tabsize = VAR(VSHTABS);
default:
if (Tabsize == VAR(VTABS))
return 0;
return Tabsize = VAR(VTABS);
}
}
/* @} */