new configuration subsystem

[pulseaudio] / polyp / dumpmodules.c

diff --git a/polyp/dumpmodules.c b/polyp/dumpmodules.c
new file mode 100644 (file)
index 0000000..9ed8969
--- /dev/null
+++ b/polyp/dumpmodules.c
@@ -0,0 +1,101 @@
+/* $Id$ */
+
+/***
+  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 <getopt.h>
+#include <assert.h>
+#include <stdio.h>
+#include <ltdl.h>
+
+#include "dumpmodules.h"
+#include "modinfo.h"
+
+#define PREFIX "module-"
+
+static void short_info(const char *name, const char *path, struct pa_modinfo *i) {
+    assert(name && i);
+    printf("%-40s%s\n", name, i->description ? i->description : "n/a");
+}
+
+static void long_info(const char *name, const char *path, struct pa_modinfo *i) {
+    assert(name && i);
+    static int nl = 0;
+    
+    if (nl)
+        printf("\n");
+
+    nl = 1;
+
+    printf("Name: %s\n", name);
+    
+    if (!i->description && !i->version && !i->author && !i->usage)
+        printf("No module information available\n");
+    else {
+        if (i->version)
+            printf("Version: %s\n", i->version);
+        if (i->description)
+            printf("Description: %s\n", i->description);
+        if (i->author)
+            printf("Author: %s\n", i->author);
+        if (i->usage)
+            printf("Usage: %s\n", i->usage);
+    }
+    
+    if (path)
+        printf("Path: %s\n", path);
+}
+
+static void show_info(const char *name, const char *path, void (*info)(const char *name, const char *path, struct pa_modinfo*i)) {
+    struct pa_modinfo *i;
+    
+    if ((i = pa_modinfo_get_by_name(path ? path : name))) {
+        info(name, path, i);
+        pa_modinfo_free(i);
+    }
+}
+
+static int callback(const char *path, lt_ptr data) {
+    const char *e;
+    struct pa_conf *c = (data);
+
+    if ((e = (const char*) strrchr(path, '/')))
+        e++;
+    else
+        e = path;
+
+    if (strlen(e) > sizeof(PREFIX)-1 && !strncmp(e, PREFIX, sizeof(PREFIX)-1))
+        show_info(e, path, c->verbose ? long_info : short_info);
+    
+    return 0;
+}
+
+void pa_dump_modules(struct pa_conf *c, int argc, char * const argv[]) {
+    if (argc > 0) {
+        int i;
+        for (i = 0; i < argc; i++)
+            show_info(argv[i], NULL, long_info);
+    } else
+        lt_dlforeachfile(NULL, callback, c);
+}