mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-23 20:46:50 +03:00
117 lines
2.6 KiB
C
117 lines
2.6 KiB
C
/*
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* Copyright 2011 Daniel Silverstone <dsilvers@digital-scurf.org>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <limits.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "utils/log.h"
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#include "utils/utils.h"
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#include "utils/ring.h"
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#include "monkey/dispatch.h"
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typedef struct cmdhandler {
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struct cmdhandler *r_next, *r_prev;
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char *cmd;
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handle_command_fn fn;
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} monkey_cmdhandler_t;
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static monkey_cmdhandler_t *handler_ring = NULL;
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nserror
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monkey_register_handler(const char *cmd, handle_command_fn fn)
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{
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monkey_cmdhandler_t *ret = calloc(sizeof(*ret), 1);
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if (ret == NULL) {
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NSLOG(netsurf, INFO, "Unable to allocate handler");
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return NSERROR_NOMEM;
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}
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ret->cmd = strdup(cmd);
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ret->fn = fn;
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RING_INSERT(handler_ring, ret);
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return NSERROR_OK;
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}
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void
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monkey_free_handlers(void)
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{
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while (handler_ring != NULL) {
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monkey_cmdhandler_t *handler = handler_ring;
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RING_REMOVE(handler_ring, handler);
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free(handler->cmd);
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free(handler);
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}
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}
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void
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monkey_process_command(void)
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{
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char buffer[PATH_MAX];
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int argc = 0;
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char **argv = NULL;
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char *p, *r = NULL;
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handle_command_fn fn = NULL;
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char **nargv;
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if (fgets(buffer, PATH_MAX, stdin) == NULL) {
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/* end of input or read error so issue QUIT */
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sprintf(buffer, "QUIT\n");
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}
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/* remove newline */
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buffer[strlen(buffer) - 1] = '\0';
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argv = malloc(sizeof *argv);
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if (argv == NULL) {
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return;
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}
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argc = 1;
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*argv = buffer;
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for (p = r = buffer; *p != '\0'; p++) {
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if (*p == ' ') {
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nargv = realloc(argv, sizeof(*argv) * (argc + 1));
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if (nargv == NULL) {
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/* reallocation of argument vector failed, try using what is
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* already processed.
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*/
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break;
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} else {
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argv = nargv;
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}
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argv[argc++] = r = p + 1;
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*p = '\0';
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}
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}
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RING_ITERATE_START(monkey_cmdhandler_t, handler_ring, handler) {
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if (strcmp(argv[0], handler->cmd) == 0) {
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fn = handler->fn;
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RING_ITERATE_STOP(handler_ring, handler);
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}
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} RING_ITERATE_END(handler_ring, handler);
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if (fn != NULL) {
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fn(argc, argv);
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}
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free(argv);
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}
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