1 files changed, 102 insertions, 0 deletions
diff --git a/src/cmdline.c b/src/cmdline.c
new file mode 100644
index 00000000..36fe3e61
--- /dev/null
+++ b/src/cmdline.c
@@ -0,0 +1,102 @@
+#include <string.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <getopt.h>
+
+#include "cmdline.h"
+#include "util.h"
+
+void pa_cmdline_help(const char *argv0) {
+    const char *e;
+
+    if ((e = strrchr(argv0, '/')))
+        e++;
+    else
+        e = argv0;
+    
+    printf("%s [options]\n"
+           "  -L MODULE  Load the specified plugin module with the specified argument\n"
+           "  -F FILE    A shortcut for '-L module-cli file=FILE', i.e. run the specified script after startup\n"
+           "  -C         A shortcut for '-L module-cli', i.e. open a command line on the running TTY\n"
+           "  -D         Daemonize after loading the modules\n"
+           "  -h         Show this help\n", e);
+}
+
+static void add_module(struct pa_cmdline *cmdline, char *name, char *arguments) {
+    struct pa_cmdline_module *m;
+    assert(cmdline && name);
+
+    m = malloc(sizeof(struct pa_cmdline_module));
+    assert(m);
+    m->name = name;
+    m->arguments = name;
+    m->next = NULL;
+
+    if (cmdline->last_module)
+        cmdline->last_module->next = m;
+    else {
+        assert(!cmdline->first_module);
+        cmdline->first_module = m;
+    }
+    cmdline->last_module = m;
+}
+
+struct pa_cmdline* pa_cmdline_parse(int argc, char * const argv []) {
+    char c;
+    struct pa_cmdline *cmdline = NULL;
+    assert(argc && argv);
+
+    cmdline = malloc(sizeof(struct pa_cmdline));
+    assert(cmdline);
+    cmdline->daemonize = cmdline->help = 0;
+    cmdline->first_module = cmdline->last_module = NULL;
+    
+    while ((c = getopt(argc, argv, "L:F:CDh")) != -1) {
+        switch (c) {
+            case 'L': {
+                char *space;
+                if ((space = strchr(optarg, ' ')))
+                    add_module(cmdline, strndup(optarg, space-optarg), space+1);
+                else
+                    add_module(cmdline, strdup(optarg), NULL);
+                break;
+            }
+            case 'F':
+                add_module(cmdline, strdup("module-cli"), pa_sprintf_malloc("file='%s'", optarg));
+                break;
+            case 'C':
+                add_module(cmdline, strdup("module-cli"), NULL);
+                break;
+            case 'D':
+                cmdline->daemonize = 1;
+                break;
+            case 'h':
+                cmdline->help = 1;
+                break;
+            default:
+                goto fail;
+        }
+    }
+
+    return cmdline;
+    
+fail:
+    if (cmdline)
+        pa_cmdline_free(cmdline);
+    return NULL;
+}
+
+void pa_cmdline_free(struct pa_cmdline *cmd) {
+    struct pa_cmdline_module *m;
+    assert(cmd);
+
+    while ((m = cmd->first_module)) {
+        cmd->first_module = m->next;
+        free(m->name);
+        free(m->arguments);
+        free(m);
+    }
+        
+    free(cmd);
+}