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
|
/*
* BRLTTY - A background process providing access to the console screen (when in
* text mode) for a blind person using a refreshable braille display.
*
* Copyright (C) 1995-2025 by The BRLTTY Developers.
*
* BRLTTY comes with ABSOLUTELY NO WARRANTY.
*
* This is free software, placed under the terms of the
* GNU Lesser General Public License, as published by the Free Software
* Foundation; either version 2.1 of the License, or (at your option) any
* later version. Please see the file LICENSE-LGPL for details.
*
* Web Page: http://brltty.app/
*
* This software is maintained by Dave Mielke <dave@mielke.cc>.
*/
#include "prologue.h"
#include <string.h>
#include "log.h"
#include "cmdargs.h"
#include "parse.h"
#include "queue.h"
struct CommandArgumentsStruct {
Queue *queue;
};
CommandArguments *
newCommandArguments (void) {
CommandArguments *arguments;
arguments = malloc(sizeof(*arguments));
arguments->queue = newQueue(NULL, NULL);
return arguments;
}
void
destroyCommandArguments (CommandArguments *arguments) {
destroyQueue(arguments->queue);
free(arguments);
}
void
removeArguments (CommandArguments *arguments) {
deleteElements(arguments->queue);
}
void
addArgument (CommandArguments *arguments, char *argument) {
enqueueItem(arguments->queue, argument);
}
void
addArgumentsFromString (CommandArguments *arguments, char *string) {
const char *delimiters = " ";
char *argument;
while ((argument = strtok(string, delimiters))) {
addArgument(arguments, argument);
string = NULL;
}
}
void
addArgumentsFromArray (CommandArguments *arguments, char **array, size_t count) {
char **end = array + count;
while (array < end) addArgument(arguments, *array++);
}
char *
getNextArgument (CommandArguments *arguments, const char *name) {
char *argument = dequeueItem(arguments->queue);
if (!argument) {
logMessage(LOG_ERR, "missing %s", name);
}
return argument;
}
void
restoreArgument (CommandArguments *arguments, char *argument) {
prequeueItem(arguments->queue, argument);
}
int
checkNoMoreArguments (CommandArguments *arguments) {
return isEmptyQueue(arguments->queue);
}
int
verifyNoMoreArguments (CommandArguments *arguments) {
const char *argument = dequeueItem(arguments->queue);
if (!argument) return 1;
logMessage(LOG_ERR, "too many arguments: %s", argument);
return 0;
}
int
parseInteger (int *value, const char *argument, int minimum, int maximum, const char *name) {
if (validateInteger(value, argument, &minimum, &maximum)) return 1;
logMessage(LOG_ERR,
"invalid %s: %s (must be an integer >= %d and <= %d)",
name, argument, minimum, maximum
);
return 0;
}
int
parseFloat (float *value, const char *argument, float minimum, float maximum, int inclusive, const char *name) {
if (validateFloat(value, argument, &minimum, &maximum)) {
if (inclusive || (*value < maximum)) {
return 1;
}
}
logMessage(LOG_ERR,
"invalid %s: %s (must be a real number >= %g and %s %g)",
name, argument, minimum, (inclusive? "<=": "<"), maximum
);
return 0;
}
int
parseDegrees (float *degrees, const char *argument, const char *name) {
return parseFloat(degrees, argument, 0.0f, 360.0f, 0, name);
}
int
parsePercent (float *value, const char *argument, const char *name) {
const float maximum = 100.0f;
if (!parseFloat(value, argument, 0.0f, maximum, 1, name)) return 0;
*value /= maximum;
return 1;
}
void
beginInteractiveMode (void) {
pushLogPrefix("ERROR");
}
void
endInteractiveMode (void) {
popLogPrefix();
}
|
