summaryrefslogtreecommitdiff
path: root/frontends/monkey/dispatch.c
diff options
context:
space:
mode:
Diffstat (limited to 'frontends/monkey/dispatch.c')
-rw-r--r--frontends/monkey/dispatch.c105
1 files changed, 105 insertions, 0 deletions
diff --git a/frontends/monkey/dispatch.c b/frontends/monkey/dispatch.c
new file mode 100644
index 000000000..563534d64
--- /dev/null
+++ b/frontends/monkey/dispatch.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2011 Daniel Silverstone <dsilvers@digital-scurf.org>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf 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; version 2 of the License.
+ *
+ * NetSurf 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 this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <limits.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "utils/log.h"
+#include "utils/utils.h"
+#include "utils/ring.h"
+
+#include "monkey/dispatch.h"
+
+typedef struct cmdhandler {
+ struct cmdhandler *r_next, *r_prev;
+ const char *cmd;
+ handle_command_fn fn;
+} monkey_cmdhandler_t;
+
+static monkey_cmdhandler_t *handler_ring = NULL;
+
+nserror
+monkey_register_handler(const char *cmd, handle_command_fn fn)
+{
+ monkey_cmdhandler_t *ret = calloc(sizeof(*ret), 1);
+ if (ret == NULL) {
+ LOG("Unable to allocate handler");
+ return NSERROR_NOMEM;
+ }
+ ret->cmd = strdup(cmd);
+ ret->fn = fn;
+ RING_INSERT(handler_ring, ret);
+ return NSERROR_OK;
+}
+
+void
+monkey_process_command(void)
+{
+ char buffer[PATH_MAX];
+ int argc = 0;
+ char **argv = NULL;
+ char *p, *r = NULL;
+ handle_command_fn fn = NULL;
+ char **nargv;
+
+ if (fgets(buffer, PATH_MAX, stdin) == NULL) {
+ /* end of input or read error so issue QUIT */
+ sprintf(buffer, "QUIT\n");
+ }
+
+ /* remove newline */
+ buffer[strlen(buffer) - 1] = '\0';
+
+ argv = malloc(sizeof *argv);
+ if (argv == NULL) {
+ return;
+ }
+ argc = 1;
+ *argv = buffer;
+
+ for (p = r = buffer; *p != '\0'; p++) {
+ if (*p == ' ') {
+ nargv = realloc(argv, sizeof(*argv) * (argc + 1));
+ if (nargv == NULL) {
+ /* reallocation of argument vector failed, try using what is
+ * already processed.
+ */
+ break;
+ } else {
+ argv = nargv;
+ }
+ argv[argc++] = r = p + 1;
+ *p = '\0';
+ }
+ }
+
+ RING_ITERATE_START(monkey_cmdhandler_t, handler_ring, handler) {
+ if (strcmp(argv[0], handler->cmd) == 0) {
+ fn = handler->fn;
+ RING_ITERATE_STOP(handler_ring, handler);
+ }
+ } RING_ITERATE_END(handler_ring, handler);
+
+ if (fn != NULL) {
+ fn(argc, argv);
+ }
+
+ free(argv);
+}