2 This file is part of PulseAudio.
4 Copyright 2004-2006 Lennart Poettering
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2.1 of the License,
9 or (at your option) any later version.
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
30 #include <pulse/xmalloc.h>
32 #include <pulsecore/core-error.h>
33 #include <pulsecore/log.h>
34 #include <pulsecore/core-util.h>
35 #include <pulsecore/macro.h>
37 #include "conf-parser.h"
39 #define WHITESPACE " \t\n"
40 #define COMMENTS "#;\n"
42 /* Run the user supplied parser for an assignment */
43 static int next_assignment(const char *filename, unsigned line, const char *section, const pa_config_item *t, const char *lvalue, const char *rvalue, void *userdata) {
51 (pa_streq(lvalue, t->lvalue) &&
52 ((!section && !t->section) || pa_streq(section, t->section))))
53 return t->parse(filename, line, section, lvalue, rvalue, t->data, userdata);
55 pa_log("[%s:%u] Unknown lvalue '%s' in section '%s'.", filename, line, lvalue, pa_strnull(section));
60 /* Returns non-zero when c is contained in s */
61 static int in_string(char c, const char *s) {
71 /* Remove all whitepsapce from the beginning and the end of *s. *s may
73 static char *strip(char *s) {
74 char *b = s+strspn(s, WHITESPACE);
78 if (!in_string(*e, WHITESPACE))
87 /* Parse a variable assignment line */
88 static int parse_line(const char *filename, unsigned line, char **section, const pa_config_item *t, char *l, void *userdata) {
91 b = l+strspn(l, WHITESPACE);
93 if ((c = strpbrk(b, COMMENTS)))
106 pa_log("[%s:%u] Invalid section header.", filename, line);
111 *section = pa_xstrndup(b+1, k-2);
115 if (!(e = strchr(b, '='))) {
116 pa_log("[%s:%u] Missing '='.", filename, line);
123 return next_assignment(filename, line, *section, t, strip(b), strip(e), userdata);
126 /* Go through the file and parse each line */
127 int pa_config_parse(const char *filename, FILE *f, const pa_config_item *t, void *userdata) {
130 pa_bool_t do_close = !f;
131 char *section = NULL;
136 if (!f && !(f = fopen(filename, "r"))) {
137 if (errno == ENOENT) {
142 pa_log_warn("Failed to open configuration file '%s': %s", filename, pa_cstrerror(errno));
149 if (!fgets(l, sizeof(l), f)) {
153 pa_log_warn("Failed to read configuration file '%s': %s", filename, pa_cstrerror(errno));
157 if (parse_line(filename, ++line, §ion, t, l, userdata) < 0)
172 int pa_config_parse_int(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
181 if (pa_atoi(rvalue, &k) < 0) {
182 pa_log("[%s:%u] Failed to parse numeric value: %s", filename, line, rvalue);
190 int pa_config_parse_unsigned(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
199 if (pa_atou(rvalue, &k) < 0) {
200 pa_log("[%s:%u] Failed to parse numeric value: %s", filename, line, rvalue);
208 int pa_config_parse_size(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
217 if (pa_atou(rvalue, &k) < 0) {
218 pa_log("[%s:%u] Failed to parse numeric value: %s", filename, line, rvalue);
226 int pa_config_parse_bool(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
235 if ((k = pa_parse_boolean(rvalue)) < 0) {
236 pa_log("[%s:%u] Failed to parse boolean value: %s", filename, line, rvalue);
245 int pa_config_parse_string(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
254 *s = *rvalue ? pa_xstrdup(rvalue) : NULL;