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changeset 15397:231d8d3b8225

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provide command_hist::clear_history function * cmd-hist.h, cmd-hist.cc (command_history::clear, command_history::do_clear): New functions. * cmd-hist.cc (gnu_history::do_clear): New function. * oct-rl-hist.h, oct-rl-hist.c (octave_clear_history): New function.
author John W. Eaton <jwe@octave.org>
date Mon, 17 Sep 2012 18:34:29 -0400
parents 1054ab58cd58
children 2e5ba861898f
files liboctave/util/cmd-hist.cc liboctave/util/cmd-hist.h liboctave/util/oct-rl-hist.c liboctave/util/oct-rl-hist.h
diffstat 4 files changed, 32 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/liboctave/util/cmd-hist.cc
+++ b/liboctave/util/cmd-hist.cc
@@ -69,6 +69,8 @@
 
   void do_remove (int);
 
+  void do_clear (void);
+
   int do_where (void) const;
 
   int do_length (void) const;
@@ -201,6 +203,12 @@
   ::octave_remove_history (n);
 }
 
+void
+gnu_history::do_clear (void)
+{
+  ::octave_clear_history ();
+}
+
 int
 gnu_history::do_where (void) const
 {
@@ -587,6 +595,13 @@
     instance->do_remove (n);
 }
 
+void
+command_history::clear (void)
+{
+  if (instance_ok ())
+    instance->do_clear ();
+}
+
 int
 command_history::where (void)
 {
@@ -807,6 +822,11 @@
 {
 }
 
+void
+command_history::do_clear (void)
+{
+}
+
 int
 command_history::do_where (void) const
 {
--- a/liboctave/util/cmd-hist.h
+++ b/liboctave/util/cmd-hist.h
@@ -65,6 +65,8 @@
 
   static void remove (int);
 
+  static void clear (void);
+
   static int where (void);
 
   static int length (void);
@@ -158,6 +160,8 @@
 
   virtual void do_remove (int);
 
+  virtual void do_clear (void);
+
   virtual int do_where (void) const;
 
   virtual int do_length (void) const;
--- a/liboctave/util/oct-rl-hist.c
+++ b/liboctave/util/oct-rl-hist.c
@@ -210,6 +210,12 @@
     }
 }
 
+void
+octave_clear_history (void)
+{
+  clear_history ();
+}
+
 char *
 octave_history_goto_mark (int n)
 {
--- a/liboctave/util/oct-rl-hist.h
+++ b/liboctave/util/oct-rl-hist.h
@@ -66,6 +66,8 @@
 
 extern void octave_remove_history (int);
 
+extern void octave_clear_history (void);
+
 extern char *octave_history_goto_mark (int n);
 
 extern char *octave_history_get (int n);