1 files changed, 89 insertions, 0 deletions
diff --git a/polyp/tokenizer.c b/polyp/tokenizer.c
new file mode 100644
index 00000000..c7f18d26
--- /dev/null
+++ b/polyp/tokenizer.c
@@ -0,0 +1,89 @@
+/* $Id$ */
+
+/***
+  This file is part of polypaudio.
+ 
+  polypaudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU 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 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 <string.h>
+#include <assert.h>
+#include <stdlib.h>
+
+#include "tokenizer.h"
+#include "dynarray.h"
+
+struct pa_tokenizer {
+    struct pa_dynarray *dynarray;
+};
+
+static void token_free(void *p, void *userdata) {
+    free(p);
+}
+
+static void parse(struct 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 = strndup(p, l);
+        assert(n);
+        pa_dynarray_append(a, n);
+        p += l;
+        p += strspn(p, delimiter);
+        args--;
+    }
+
+    if (args && *p) {
+        char *n = strdup(p);
+        assert(n);
+        pa_dynarray_append(a, n);
+    }
+}
+
+struct pa_tokenizer* pa_tokenizer_new(const char *s, unsigned args) {
+    struct pa_tokenizer *t;
+    
+    t = malloc(sizeof(struct pa_tokenizer));
+    assert(t);
+    t->dynarray = pa_dynarray_new();
+    assert(t->dynarray);
+
+    parse(t->dynarray, s, args);
+    return t;
+}
+
+void pa_tokenizer_free(struct pa_tokenizer *t) {
+    assert(t);
+    pa_dynarray_free(t->dynarray, token_free, NULL);
+    free(t);
+}
+
+const char *pa_tokenizer_get(struct pa_tokenizer *t, unsigned i) {
+    assert(t);
+    return pa_dynarray_get(t->dynarray, i);
+}