core: remove "wee-" prefix from source files in src/core and src/core/hook

src/core/hook/hook-modifier.c

@@ -0,0 +1,218 @@
+/*
+ * hook-modifier.c - WeeChat modifier 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_modifier_get_description (struct t_hook *hook)
+{
+    return strdup (HOOK_MODIFIER(hook, modifier));
+}
+
+/*
+ * Hooks a modifier.
+ *
+ * Returns pointer to new hook, NULL if error.
+ */
+
+struct t_hook *
+hook_modifier (struct t_weechat_plugin *plugin, const char *modifier,
+               t_hook_callback_modifier *callback,
+               const void *callback_pointer,
+               void *callback_data)
+{
+    struct t_hook *new_hook;
+    struct t_hook_modifier *new_hook_modifier;
+    int priority;
+    const char *ptr_modifier;
+
+    if (!modifier || !modifier[0] || !callback)
+        return NULL;
+
+    new_hook = malloc (sizeof (*new_hook));
+    if (!new_hook)
+        return NULL;
+    new_hook_modifier = malloc (sizeof (*new_hook_modifier));
+    if (!new_hook_modifier)
+    {
+        free (new_hook);
+        return NULL;
+    }
+
+    string_get_priority_and_name (modifier, &priority, &ptr_modifier,
+                                  HOOK_PRIORITY_DEFAULT);
+    hook_init_data (new_hook, plugin, HOOK_TYPE_MODIFIER, priority,
+                    callback_pointer, callback_data);
+
+    new_hook->hook_data = new_hook_modifier;
+    new_hook_modifier->callback = callback;
+    new_hook_modifier->modifier = strdup ((ptr_modifier) ? ptr_modifier : modifier);
+
+    hook_add_to_list (new_hook);
+
+    return new_hook;
+}
+
+/*
+ * Executes a modifier hook.
+ *
+ * Note: result must be freed after use.
+ */
+
+char *
+hook_modifier_exec (struct t_weechat_plugin *plugin, const char *modifier,
+                    const char *modifier_data, const char *string)
+{
+    struct t_hook *ptr_hook, *next_hook;
+    struct t_hook_exec_cb hook_exec_cb;
+    char *new_msg, *message_modified;
+
+    /* make C compiler happy */
+    (void) plugin;
+
+    if (!modifier || !modifier[0] || !string)
+        return NULL;
+
+    new_msg = NULL;
+    message_modified = strdup (string);
+    if (!message_modified)
+        return NULL;
+
+    hook_exec_start ();
+
+    ptr_hook = weechat_hooks[HOOK_TYPE_MODIFIER];
+    while (ptr_hook)
+    {
+        next_hook = ptr_hook->next_hook;
+
+        if (!ptr_hook->deleted
+            && !ptr_hook->running
+            && (string_strcasecmp (HOOK_MODIFIER(ptr_hook, modifier),
+                                   modifier) == 0))
+        {
+            hook_callback_start (ptr_hook, &hook_exec_cb);
+            new_msg = (HOOK_MODIFIER(ptr_hook, callback))
+                (ptr_hook->callback_pointer,
+                 ptr_hook->callback_data,
+                 modifier,
+                 modifier_data,
+                 message_modified);
+            hook_callback_end (ptr_hook, &hook_exec_cb);
+
+            /* empty string returned => message dropped */
+            if (new_msg && !new_msg[0])
+            {
+                free (message_modified);
+                hook_exec_end ();
+                return new_msg;
+            }
+
+            /* new message => keep it as base for next modifier */
+            if (new_msg)
+            {
+                free (message_modified);
+                message_modified = new_msg;
+            }
+        }
+
+        ptr_hook = next_hook;
+    }
+
+    hook_exec_end ();
+
+    return message_modified;
+}
+
+/*
+ * Frees data in a modifier hook.
+ */
+
+void
+hook_modifier_free_data (struct t_hook *hook)
+{
+    if (!hook || !hook->hook_data)
+        return;
+
+    if (HOOK_MODIFIER(hook, modifier))
+    {
+        free (HOOK_MODIFIER(hook, modifier));
+        HOOK_MODIFIER(hook, modifier) = NULL;
+    }
+
+    free (hook->hook_data);
+    hook->hook_data = NULL;
+}
+
+/*
+ * Adds modifier hook data in the infolist item.
+ *
+ * Returns:
+ *   1: OK
+ *   0: error
+ */
+
+int
+hook_modifier_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_MODIFIER(hook, callback)))
+        return 0;
+    if (!infolist_new_var_string (item, "modifier", HOOK_MODIFIER(hook, modifier)))
+        return 0;
+
+    return 1;
+}
+
+/*
+ * Prints modifier hook data in WeeChat log file (usually for crash dump).
+ */
+
+void
+hook_modifier_print_log (struct t_hook *hook)
+{
+    if (!hook || !hook->hook_data)
+        return;
+
+    log_printf ("  modifier data:");
+    log_printf ("    callback. . . . . . . : 0x%lx", HOOK_MODIFIER(hook, callback));
+    log_printf ("    modifier. . . . . . . : '%s'", HOOK_MODIFIER(hook, modifier));
+}