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-rw-r--r--ext/readline/readline.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/ext/readline/readline.c b/ext/readline/readline.c
index 7f80f8370..41914dca0 100644
--- a/ext/readline/readline.c
+++ b/ext/readline/readline.c
@@ -457,6 +457,28 @@ readline_s_vi_editing_mode(VALUE self)
/*
* call-seq:
+ * Readline.vi_editing_mode? -> bool
+ *
+ * Returns true if vi mode is active. Returns false if not.
+ *
+ * Raises NotImplementedError if the using readline library does not support.
+ *
+ * Raises SecurityError exception if $SAFE is 4.
+ */
+static VALUE
+readline_s_vi_editing_mode_p(VALUE self)
+{
+#ifdef HAVE_RL_EDITING_MODE
+ rb_secure(4);
+ return rl_editing_mode == 0 ? Qtrue : Qfalse;
+#else
+ rb_notimplement();
+ return Qnil; /* not reached */
+#endif /* HAVE_RL_EDITING_MODE */
+}
+
+/*
+ * call-seq:
* Readline.emacs_editing_mode -> nil
*
* Specifies Emacs editing mode. The default is this mode. See the
@@ -481,6 +503,28 @@ readline_s_emacs_editing_mode(VALUE self)
/*
* call-seq:
+ * Readline.emacs_editing_mode? -> bool
+ *
+ * Returns true if emacs mode is active. Returns false if not.
+ *
+ * Raises NotImplementedError if the using readline library does not support.
+ *
+ * Raises SecurityError exception if $SAFE is 4.
+ */
+static VALUE
+readline_s_emacs_editing_mode_p(VALUE self)
+{
+#ifdef HAVE_RL_EDITING_MODE
+ rb_secure(4);
+ return rl_editing_mode == 1 ? Qtrue : Qfalse;
+#else
+ rb_notimplement();
+ return Qnil; /* not reached */
+#endif /* HAVE_RL_EDITING_MODE */
+}
+
+/*
+ * call-seq:
* Readline.completion_append_character = char
*
* Specifies a character to be appended on completion.
@@ -1154,8 +1198,12 @@ Init_readline()
readline_s_get_completion_case_fold, 0);
rb_define_singleton_method(mReadline, "vi_editing_mode",
readline_s_vi_editing_mode, 0);
+ rb_define_singleton_method(mReadline, "vi_editing_mode?",
+ readline_s_vi_editing_mode_p, 0);
rb_define_singleton_method(mReadline, "emacs_editing_mode",
readline_s_emacs_editing_mode, 0);
+ rb_define_singleton_method(mReadline, "emacs_editing_mode?",
+ readline_s_emacs_editing_mode_p, 0);
rb_define_singleton_method(mReadline, "completion_append_character=",
readline_s_set_completion_append_character, 1);
rb_define_singleton_method(mReadline, "completion_append_character",