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-rw-r--r--src/core/hook/hook-config.c186
1 files changed, 186 insertions, 0 deletions
diff --git a/src/core/hook/hook-config.c b/src/core/hook/hook-config.c
new file mode 100644
index 000000000..42b158b55
--- /dev/null
+++ b/src/core/hook/hook-config.c
@@ -0,0 +1,186 @@
+/*
+ * hook-config.c - WeeChat config hook
+ *
+ * Copyright (C) 2003-2024 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 <https://www.gnu.org/licenses/>.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "../weechat.h"
+#include "../core-hook.h"
+#include "../core-infolist.h"
+#include "../core-log.h"
+#include "../core-string.h"
+
+
+/*
+ * Returns description of hook.
+ *
+ * Note: result must be freed after use.
+ */
+
+char *
+hook_config_get_description (struct t_hook *hook)
+{
+ return strdup (HOOK_CONFIG(hook, option));
+}
+
+/*
+ * Hooks a configuration option.
+ *
+ * Returns pointer to new hook, NULL if error.
+ */
+
+struct t_hook *
+hook_config (struct t_weechat_plugin *plugin, const char *option,
+ t_hook_callback_config *callback,
+ const void *callback_pointer,
+ void *callback_data)
+{
+ struct t_hook *new_hook;
+ struct t_hook_config *new_hook_config;
+ int priority;
+ const char *ptr_option;
+
+ if (!callback)
+ return NULL;
+
+ new_hook = malloc (sizeof (*new_hook));
+ if (!new_hook)
+ return NULL;
+ new_hook_config = malloc (sizeof (*new_hook_config));
+ if (!new_hook_config)
+ {
+ free (new_hook);
+ return NULL;
+ }
+
+ string_get_priority_and_name (option, &priority, &ptr_option,
+ HOOK_PRIORITY_DEFAULT);
+ hook_init_data (new_hook, plugin, HOOK_TYPE_CONFIG, priority,
+ callback_pointer, callback_data);
+
+ new_hook->hook_data = new_hook_config;
+ new_hook_config->callback = callback;
+ new_hook_config->option = strdup ((ptr_option) ? ptr_option :
+ ((option) ? option : ""));
+
+ hook_add_to_list (new_hook);
+
+ return new_hook;
+}
+
+/*
+ * Executes a config hook.
+ */
+
+void
+hook_config_exec (const char *option, const char *value)
+{
+ struct t_hook *ptr_hook, *next_hook;
+ struct t_hook_exec_cb hook_exec_cb;
+
+ hook_exec_start ();
+
+ ptr_hook = weechat_hooks[HOOK_TYPE_CONFIG];
+ while (ptr_hook)
+ {
+ next_hook = ptr_hook->next_hook;
+
+ if (!ptr_hook->deleted
+ && !ptr_hook->running
+ && (!HOOK_CONFIG(ptr_hook, option)
+ || (string_match (option, HOOK_CONFIG(ptr_hook, option), 0))))
+ {
+ hook_callback_start (ptr_hook, &hook_exec_cb);
+ (void) (HOOK_CONFIG(ptr_hook, callback))
+ (ptr_hook->callback_pointer,
+ ptr_hook->callback_data,
+ option,
+ value);
+ hook_callback_end (ptr_hook, &hook_exec_cb);
+ }
+
+ ptr_hook = next_hook;
+ }
+
+ hook_exec_end ();
+}
+
+/*
+ * Frees data in a config hook.
+ */
+
+void
+hook_config_free_data (struct t_hook *hook)
+{
+ if (!hook || !hook->hook_data)
+ return;
+
+ if (HOOK_CONFIG(hook, option))
+ {
+ free (HOOK_CONFIG(hook, option));
+ HOOK_CONFIG(hook, option) = NULL;
+ }
+
+ free (hook->hook_data);
+ hook->hook_data = NULL;
+}
+
+/*
+ * Adds config hook data in the infolist item.
+ *
+ * Returns:
+ * 1: OK
+ * 0: error
+ */
+
+int
+hook_config_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_CONFIG(hook, callback)))
+ return 0;
+ if (!infolist_new_var_string (item, "option", HOOK_CONFIG(hook, option)))
+ return 0;
+
+ return 1;
+}
+
+/*
+ * Prints config hook data in WeeChat log file (usually for crash dump).
+ */
+
+void
+hook_config_print_log (struct t_hook *hook)
+{
+ if (!hook || !hook->hook_data)
+ return;
+
+ log_printf (" config data:");
+ log_printf (" callback. . . . . . . : 0x%lx", HOOK_CONFIG(hook, callback));
+ log_printf (" option. . . . . . . . : '%s'", HOOK_CONFIG(hook, option));
+}