diff options
Diffstat (limited to 'polyp/conf-parser.c')
| -rw-r--r-- | polyp/conf-parser.c | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/polyp/conf-parser.c b/polyp/conf-parser.c deleted file mode 100644 index 507f2bf1..00000000 --- a/polyp/conf-parser.c +++ /dev/null @@ -1,176 +0,0 @@ -/* $Id$ */ - -/*** - This file is part of polypaudio. - - polypaudio is free software; you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as published - by the Free Software Foundation; either version 2 of the License, - or (at your option) any later version. - - polypaudio is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with polypaudio; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. -***/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <assert.h> -#include <string.h> -#include <stdio.h> -#include <errno.h> - -#include "conf-parser.h" -#include "log.h" -#include "util.h" -#include "xmalloc.h" - -#define WHITESPACE " \t\n" -#define COMMENTS "#;\n" - -/* Run the user supplied parser for an assignment */ -static int next_assignment(const char *filename, unsigned line, const pa_config_item *t, const char *lvalue, const char *rvalue, void *userdata) { - assert(filename && t && lvalue && rvalue); - - for (; t->parse; t++) - if (!strcmp(lvalue, t->lvalue)) - return t->parse(filename, line, lvalue, rvalue, t->data, userdata); - - pa_log(__FILE__": [%s:%u] Unknown lvalue '%s'.\n", filename, line, lvalue); - - return -1; -} - -/* Returns non-zero when c is contained in s */ -static int in_string(char c, const char *s) { - assert(s); - - for (; *s; s++) - if (*s == c) - return 1; - - return 0; -} - -/* Remove all whitepsapce from the beginning and the end of *s. *s may - * be modified. */ -static char *strip(char *s) { - char *b = s+strspn(s, WHITESPACE); - char *e, *l = NULL; - - for (e = b; *e; e++) - if (!in_string(*e, WHITESPACE)) - l = e; - - if (l) - *(l+1) = 0; - - return b; -} - -/* Parse a variable assignment line */ -static int parse_line(const char *filename, unsigned line, const pa_config_item *t, char *l, void *userdata) { - char *e, *c, *b = l+strspn(l, WHITESPACE); - - if ((c = strpbrk(b, COMMENTS))) - *c = 0; - - if (!*b) - return 0; - - if (!(e = strchr(b, '='))) { - pa_log(__FILE__": [%s:%u] Missing '='.\n", filename, line); - return -1; - } - - *e = 0; - e++; - - return next_assignment(filename, line, t, strip(b), strip(e), userdata); -} - -/* Go through the file and parse each line */ -int pa_config_parse(const char *filename, FILE *f, const pa_config_item *t, void *userdata) { - int r = -1; - unsigned line = 0; - int do_close = !f; - assert(filename && t); - - if (!f && !(f = fopen(filename, "r"))) { - if (errno == ENOENT) { - r = 0; - goto finish; - } - - pa_log(__FILE__": WARNING: failed to open configuration file '%s': %s\n", filename, strerror(errno)); - goto finish; - } - - while (!feof(f)) { - char l[256]; - if (!fgets(l, sizeof(l), f)) { - if (feof(f)) - break; - - pa_log(__FILE__": WARNING: failed to read configuration file '%s': %s\n", filename, strerror(errno)); - goto finish; - } - - if (parse_line(filename, ++line, t, l, userdata) < 0) - goto finish; - } - - r = 0; - -finish: - - if (do_close && f) - fclose(f); - - return r; -} - -int pa_config_parse_int(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) { - int *i = data; - int32_t k; - assert(filename && lvalue && rvalue && data); - - if (pa_atoi(rvalue, &k) < 0) { - pa_log(__FILE__": [%s:%u] Failed to parse numeric value: %s\n", filename, line, rvalue); - return -1; - } - - *i = (int) k; - return 0; -} - -int pa_config_parse_bool(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) { - int *b = data, k; - assert(filename && lvalue && rvalue && data); - - if ((k = pa_parse_boolean(rvalue)) < 0) { - pa_log(__FILE__": [%s:%u] Failed to parse boolean value: %s\n", filename, line, rvalue); - return -1; - } - - *b = k; - - return 0; -} - -int pa_config_parse_string(const char *filename, PA_GCC_UNUSED unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) { - char **s = data; - assert(filename && lvalue && rvalue && data); - - pa_xfree(*s); - *s = *rvalue ? pa_xstrdup(rvalue) : NULL; - return 0; -} |