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authorLennart Poettering <lennart@poettering.net>2006-06-19 21:53:48 +0000
committerLennart Poettering <lennart@poettering.net>2006-06-19 21:53:48 +0000
commitf44ba092651aa75055e109e04b4164ea92ae7fdc (patch)
tree5dfe076191b32946e78edf64d584d0a65f320013 /src/pulsecore/tokenizer.c
parentdd21f11deda64e65a6f75817496534c2c9dda1a8 (diff)
big s/polyp/pulse/g
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1033 fefdeb5f-60dc-0310-8127-8f9354f1896f
Diffstat (limited to 'src/pulsecore/tokenizer.c')
-rw-r--r--src/pulsecore/tokenizer.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/src/pulsecore/tokenizer.c b/src/pulsecore/tokenizer.c
new file mode 100644
index 00000000..e799c1e6
--- /dev/null
+++ b/src/pulsecore/tokenizer.c
@@ -0,0 +1,90 @@
+/* $Id$ */
+
+/***
+ This file is part of PulseAudio.
+
+ PulseAudio 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.
+
+ PulseAudio 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 PulseAudio; 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 <string.h>
+#include <assert.h>
+#include <stdlib.h>
+
+#include <pulse/xmalloc.h>
+
+#include <pulsecore/dynarray.h>
+#include <pulsecore/gccmacro.h>
+
+#include "tokenizer.h"
+
+struct pa_tokenizer {
+ pa_dynarray *dynarray;
+};
+
+static void token_free(void *p, PA_GCC_UNUSED void *userdata) {
+ pa_xfree(p);
+}
+
+static void parse(pa_dynarray*a, const char *s, unsigned args) {
+ int infty = 0;
+ const char delimiter[] = " \t\n\r";
+ const char *p;
+ assert(a && s);
+
+ if (args == 0)
+ infty = 1;
+
+ p = s+strspn(s, delimiter);
+ while (*p && (infty || args >= 2)) {
+ size_t l = strcspn(p, delimiter);
+ char *n = pa_xstrndup(p, l);
+ pa_dynarray_append(a, n);
+ p += l;
+ p += strspn(p, delimiter);
+ args--;
+ }
+
+ if (args && *p) {
+ char *n = pa_xstrdup(p);
+ pa_dynarray_append(a, n);
+ }
+}
+
+pa_tokenizer* pa_tokenizer_new(const char *s, unsigned args) {
+ pa_tokenizer *t;
+
+ t = pa_xmalloc(sizeof(pa_tokenizer));
+ t->dynarray = pa_dynarray_new();
+ assert(t->dynarray);
+
+ parse(t->dynarray, s, args);
+ return t;
+}
+
+void pa_tokenizer_free(pa_tokenizer *t) {
+ assert(t);
+ pa_dynarray_free(t->dynarray, token_free, NULL);
+ pa_xfree(t);
+}
+
+const char *pa_tokenizer_get(pa_tokenizer *t, unsigned i) {
+ assert(t);
+ return pa_dynarray_get(t->dynarray, i);
+}