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(
47 const pa_config_item *t,
57 for (; t->parse; t++) {
59 if (t->lvalue && !pa_streq(lvalue, t->lvalue))
62 if (t->section && !section)
65 if (t->section && !pa_streq(section, t->section))
68 return t->parse(filename, line, section, lvalue, rvalue, t->data, userdata);
71 pa_log("[%s:%u] Unknown lvalue '%s' in section '%s'.", filename, line, lvalue, pa_strna(section));
76 /* Returns non-zero when c is contained in s */
77 static int in_string(char c, const char *s) {
87 /* Remove all whitepsapce from the beginning and the end of *s. *s may
89 static char *strip(char *s) {
90 char *b = s+strspn(s, WHITESPACE);
94 if (!in_string(*e, WHITESPACE))
103 /* Parse a variable assignment line */
104 static int parse_line(const char *filename, unsigned line, char **section, const pa_config_item *t, char *l, void *userdata) {
107 b = l+strspn(l, WHITESPACE);
109 if ((c = strpbrk(b, COMMENTS)))
115 if (pa_startswith(b, ".include ")) {
120 if (!pa_is_path_absolute(fn)) {
122 if ((k = strrchr(filename, '/'))) {
123 char *dir = pa_xstrndup(filename, k-filename);
124 fn = path = pa_sprintf_malloc("%s" PA_PATH_SEP "%s", dir, fn);
129 r = pa_config_parse(fn, NULL, t, userdata);
141 pa_log("[%s:%u] Invalid section header.", filename, line);
146 *section = pa_xstrndup(b+1, k-2);
150 if (!(e = strchr(b, '='))) {
151 pa_log("[%s:%u] Missing '='.", filename, line);
158 return next_assignment(filename, line, *section, t, strip(b), strip(e), userdata);
161 /* Go through the file and parse each line */
162 int pa_config_parse(const char *filename, FILE *f, const pa_config_item *t, void *userdata) {
165 pa_bool_t do_close = !f;
166 char *section = NULL;
171 if (!f && !(f = fopen(filename, "r"))) {
172 if (errno == ENOENT) {
173 pa_log_debug("Failed to open configuration file '%s': %s", filename, pa_cstrerror(errno));
178 pa_log_warn("Failed to open configuration file '%s': %s", filename, pa_cstrerror(errno));
185 if (!fgets(l, sizeof(l), f)) {
189 pa_log_warn("Failed to read configuration file '%s': %s", filename, pa_cstrerror(errno));
193 if (parse_line(filename, ++line, §ion, t, l, userdata) < 0)
208 int pa_config_parse_int(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
217 if (pa_atoi(rvalue, &k) < 0) {
218 pa_log("[%s:%u] Failed to parse numeric value: %s", filename, line, rvalue);
226 int pa_config_parse_unsigned(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
235 if (pa_atou(rvalue, &k) < 0) {
236 pa_log("[%s:%u] Failed to parse numeric value: %s", filename, line, rvalue);
244 int pa_config_parse_size(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
253 if (pa_atou(rvalue, &k) < 0) {
254 pa_log("[%s:%u] Failed to parse numeric value: %s", filename, line, rvalue);
262 int pa_config_parse_bool(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
271 if ((k = pa_parse_boolean(rvalue)) < 0) {
272 pa_log("[%s:%u] Failed to parse boolean value: %s", filename, line, rvalue);
281 int pa_config_parse_string(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
290 *s = *rvalue ? pa_xstrdup(rvalue) : NULL;