exec: add options "-n"/"-ns" in command /exec (display output in a new buffer)

src/plugins/exec/exec-buffer.c

@@ -0,0 +1,130 @@
+/*
+ * exec-buffer.c - buffers with output of commands
+ *
+ * Copyright (C) 2014 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/>.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "../weechat-plugin.h"
+#include "exec.h"
+#include "exec-buffer.h"
+#include "exec-config.h"
+
+
+/*
+ * Callback for user data in an exec buffer.
+ */
+
+int
+exec_buffer_input_cb (void *data, struct t_gui_buffer *buffer,
+                      const char *input_data)
+{
+    /* make C compiler happy */
+    (void) data;
+
+    /* close buffer */
+    if (strcmp (input_data, "q") == 0)
+    {
+        weechat_buffer_close (buffer);
+        return WEECHAT_RC_OK;
+    }
+
+    return WEECHAT_RC_OK;
+}
+
+/*
+ * Callback called when an exec buffer is closed.
+ */
+
+int
+exec_buffer_close_cb (void *data, struct t_gui_buffer *buffer)
+{
+    /* make C compiler happy */
+    (void) data;
+    (void) buffer;
+
+    return WEECHAT_RC_OK;
+}
+
+/*
+ * Restore buffer callbacks (input and close) for buffers created by exec
+ * plugin.
+ */
+
+void
+exec_buffer_set_callbacks ()
+{
+    struct t_infolist *ptr_infolist;
+    struct t_gui_buffer *ptr_buffer;
+    const char *plugin_name;
+
+    ptr_infolist = weechat_infolist_get ("buffer", NULL, "");
+    if (ptr_infolist)
+    {
+        while (weechat_infolist_next (ptr_infolist))
+        {
+            ptr_buffer = weechat_infolist_pointer (ptr_infolist, "pointer");
+            plugin_name = weechat_infolist_string (ptr_infolist, "plugin_name");
+            if (ptr_buffer && plugin_name
+                && (strcmp (plugin_name, EXEC_PLUGIN_NAME) == 0))
+            {
+                weechat_buffer_set_pointer (ptr_buffer, "close_callback",
+                                            &exec_buffer_close_cb);
+                weechat_buffer_set_pointer (ptr_buffer, "input_callback",
+                                            &exec_buffer_input_cb);
+            }
+        }
+        weechat_infolist_free (ptr_infolist);
+    }
+}
+
+/*
+ * Creates a new exec buffer for a command.
+ */
+
+struct t_gui_buffer *
+exec_buffer_new (const char *name, int switch_to_buffer)
+{
+    struct t_gui_buffer *new_buffer;
+
+    new_buffer = weechat_buffer_search (EXEC_PLUGIN_NAME, name);
+    if (new_buffer)
+        return new_buffer;
+
+    new_buffer = weechat_buffer_new (name,
+                                     &exec_buffer_input_cb, NULL,
+                                     &exec_buffer_close_cb, NULL);
+
+    /* failed to create buffer ? then return */
+    if (!new_buffer)
+        return NULL;
+
+    weechat_buffer_set (new_buffer, "title", _("Executed commands"));
+    weechat_buffer_set (new_buffer, "localvar_set_type", "exec");
+    weechat_buffer_set (new_buffer, "localvar_set_no_log", "1");
+    weechat_buffer_set (new_buffer, "time_for_each_line", "0");
+    weechat_buffer_set (new_buffer, "input_get_unknown_commands", "0");
+
+    if (switch_to_buffer)
+        weechat_buffer_set (new_buffer, "display", "1");
+
+    return new_buffer;
+}