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-rw-r--r--src/core/hook/wee-hook-command-run.c219
1 files changed, 219 insertions, 0 deletions
diff --git a/src/core/hook/wee-hook-command-run.c b/src/core/hook/wee-hook-command-run.c
new file mode 100644
index 000000000..ad07954a7
--- /dev/null
+++ b/src/core/hook/wee-hook-command-run.c
@@ -0,0 +1,219 @@
+/*
+ * wee-hook-command-run.c - WeeChat command_run hook
+ *
+ * Copyright (C) 2003-2018 Sébastien Helleu <flashcode@flashtux.org>
+ *
+ * This file is part of WeeChat, the extensible chat client.
+ *
+ * WeeChat 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * WeeChat 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 WeeChat. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "../weechat.h"
+#include "../wee-hook.h"
+#include "../wee-infolist.h"
+#include "../wee-log.h"
+#include "../wee-string.h"
+#include "../wee-utf8.h"
+#include "../../plugins/plugin.h"
+
+
+/*
+ * Hooks a command when it's run by WeeChat.
+ *
+ * Returns pointer to new hook, NULL if error.
+ */
+
+struct t_hook *
+hook_command_run (struct t_weechat_plugin *plugin,
+ const char *command,
+ t_hook_callback_command_run *callback,
+ const void *callback_pointer,
+ void *callback_data)
+{
+ struct t_hook *new_hook;
+ struct t_hook_command_run *new_hook_command_run;
+ int priority;
+ const char *ptr_command;
+
+ if (!callback)
+ return NULL;
+
+ new_hook = malloc (sizeof (*new_hook));
+ if (!new_hook)
+ return NULL;
+ new_hook_command_run = malloc (sizeof (*new_hook_command_run));
+ if (!new_hook_command_run)
+ {
+ free (new_hook);
+ return NULL;
+ }
+
+ hook_get_priority_and_name (command, &priority, &ptr_command);
+ hook_init_data (new_hook, plugin, HOOK_TYPE_COMMAND_RUN, priority,
+ callback_pointer, callback_data);
+
+ new_hook->hook_data = new_hook_command_run;
+ new_hook_command_run->callback = callback;
+ new_hook_command_run->command = strdup ((ptr_command) ? ptr_command :
+ ((command) ? command : ""));
+
+ hook_add_to_list (new_hook);
+
+ return new_hook;
+}
+
+/*
+ * Executes a command_run hook.
+ */
+
+int
+hook_command_run_exec (struct t_gui_buffer *buffer, const char *command)
+{
+ struct t_hook *ptr_hook, *next_hook;
+ int rc, hook_matching, length;
+ char *command2;
+ const char *ptr_command;
+
+ if (!weechat_hooks[HOOK_TYPE_COMMAND_RUN])
+ return WEECHAT_RC_OK;
+
+ ptr_command = command;
+ command2 = NULL;
+
+ if (command[0] != '/')
+ {
+ length = strlen (command) + 1;
+ command2 = malloc (length);
+ if (command2)
+ {
+ snprintf (command2, length, "/%s", command + 1);
+ ptr_command = command2;
+ }
+ }
+
+ ptr_hook = weechat_hooks[HOOK_TYPE_COMMAND_RUN];
+ while (ptr_hook)
+ {
+ next_hook = ptr_hook->next_hook;
+
+ if (!ptr_hook->deleted
+ && !ptr_hook->running
+ && HOOK_COMMAND_RUN(ptr_hook, command))
+ {
+ hook_matching = string_match (ptr_command,
+ HOOK_COMMAND_RUN(ptr_hook, command),
+ 0);
+
+ if (!hook_matching
+ && !strchr (HOOK_COMMAND_RUN(ptr_hook, command), ' '))
+ {
+ length = strlen (HOOK_COMMAND_RUN(ptr_hook, command));
+ hook_matching = ((string_strncasecmp (ptr_command,
+ HOOK_COMMAND_RUN(ptr_hook, command),
+ utf8_strlen (HOOK_COMMAND_RUN(ptr_hook, command))) == 0)
+ && ((ptr_command[length] == ' ')
+ || (ptr_command[length] == '\0')));
+ }
+
+ if (hook_matching)
+ {
+ ptr_hook->running = 1;
+ rc = (HOOK_COMMAND_RUN(ptr_hook, callback)) (
+ ptr_hook->callback_pointer,
+ ptr_hook->callback_data,
+ buffer,
+ ptr_command);
+ ptr_hook->running = 0;
+ if (rc == WEECHAT_RC_OK_EAT)
+ {
+ if (command2)
+ free (command2);
+ return rc;
+ }
+ }
+ }
+
+ ptr_hook = next_hook;
+ }
+
+ if (command2)
+ free (command2);
+
+ return WEECHAT_RC_OK;
+}
+
+/*
+ * Frees data in a command_run hook.
+ */
+
+void
+hook_command_run_free_data (struct t_hook *hook)
+{
+ if (!hook || !hook->hook_data)
+ return;
+
+ if (HOOK_COMMAND_RUN(hook, command))
+ {
+ free (HOOK_COMMAND_RUN(hook, command));
+ HOOK_COMMAND_RUN(hook, command) = NULL;
+ }
+
+ free (hook->hook_data);
+ hook->hook_data = NULL;
+}
+
+/*
+ * Adds command_run hook data in the infolist item.
+ *
+ * Returns:
+ * 1: OK
+ * 0: error
+ */
+
+int
+hook_command_run_add_to_infolist (struct t_infolist_item *item,
+ struct t_hook *hook)
+{
+ if (!item || !hook || !hook->hook_data)
+ return 0;
+
+ if (!infolist_new_var_pointer (item, "callback", HOOK_COMMAND_RUN(hook, callback)))
+ return 0;
+ if (!infolist_new_var_string (item, "command", HOOK_COMMAND_RUN(hook, command)))
+ return 0;
+
+ return 1;
+}
+
+/*
+ * Prints command_run hook data in WeeChat log file (usually for crash dump).
+ */
+
+void
+hook_command_run_print_log (struct t_hook *hook)
+{
+ if (!hook || !hook->hook_data)
+ return;
+
+ log_printf (" command_run data:");
+ log_printf (" callback. . . . . . . : 0x%lx", HOOK_COMMAND_RUN(hook, callback));
+ log_printf (" command . . . . . . . : '%s'", HOOK_COMMAND_RUN(hook, command));
+}