# HG changeset patch
# User John W. Eaton <jwe@octave.org>
# Date 1294904887 18000
# Node ID 7aeb4eb7403ff633ea39c9e46f4265e9a2d0880f
# Parent  8f23b6757225d842296be594eb20fbb3c5bb2024
cmd-hist.h, cmd-hist.cc: sprinkle with const

diff -r 8f23b6757225 -r 7aeb4eb7403f liboctave/ChangeLog
--- a/liboctave/ChangeLog	Thu Jan 13 02:38:57 2011 -0500
+++ b/liboctave/ChangeLog	Thu Jan 13 02:48:07 2011 -0500
@@ -1,3 +1,7 @@
+2011-01-13  John W. Eaton  <jwe@octave.org>
+
+	* cmd-hist.h, cmd-hist.cc: Sprinkle with const.
+
 2011-01-13  John W. Eaton  <jwe@octave.org>
 
 	* CmplxCHOL.h (ComplexCHOL::ComplexCHOL): Initialize all data
diff -r 8f23b6757225 -r 7aeb4eb7403f liboctave/cmd-hist.cc
--- a/liboctave/cmd-hist.cc	Thu Jan 13 02:38:57 2011 -0500
+++ b/liboctave/cmd-hist.cc	Thu Jan 13 02:48:07 2011 -0500
@@ -65,21 +65,21 @@
 
   void do_remove (int);
 
-  int do_where (void);
+  int do_where (void) const;
 
-  int do_length (void);
+  int do_length (void) const;
 
-  int do_max_input_history (void);
+  int do_max_input_history (void) const;
 
-  int do_base (void);
+  int do_base (void) const;
 
-  int do_current_number (void);
+  int do_current_number (void) const;
 
   void do_stifle (int);
 
   int do_unstifle (void);
 
-  int do_is_stifled (void);
+  int do_is_stifled (void) const;
 
   void do_set_mark (int);
 
@@ -89,15 +89,15 @@
 
   void do_read_range (const std::string&, int, int, bool);
 
-  void do_write (const std::string&);
+  void do_write (const std::string&) const;
 
   void do_append (const std::string&);
 
-  void do_truncate_file (const std::string&, int);
+  void do_truncate_file (const std::string&, int) const;
 
-  string_vector do_list (int, bool);
+  string_vector do_list (int, bool) const;
 
-  std::string do_get_entry (int);
+  std::string do_get_entry (int) const;
 
   void do_replace_entry (int, const std::string&);
 
@@ -128,31 +128,31 @@
 }
 
 int
-gnu_history::do_where (void)
+gnu_history::do_where (void) const
 {
   return ::octave_where_history ();
 }
 
 int
-gnu_history::do_length (void)
+gnu_history::do_length (void) const
 {
   return ::octave_history_length ();
 }
 
 int
-gnu_history::do_max_input_history (void)
+gnu_history::do_max_input_history (void) const
 {
   return ::octave_max_input_history ();
 }
 
 int
-gnu_history::do_base (void)
+gnu_history::do_base (void) const
 {
   return ::octave_history_base ();
 }
 
 int
-gnu_history::do_current_number (void)
+gnu_history::do_current_number (void) const
 {
   return (xsize > 0) ? do_base () + do_where () : -1;
 }
@@ -170,7 +170,7 @@
 }
 
 int
-gnu_history::do_is_stifled (void)
+gnu_history::do_is_stifled (void) const
 {
   return ::octave_history_is_stifled ();
 }
@@ -249,7 +249,7 @@
 }
 
 void
-gnu_history::do_write (const std::string& f_arg)
+gnu_history::do_write (const std::string& f_arg) const
 {
   if (initialized)
     {
@@ -316,7 +316,7 @@
 }
 
 void
-gnu_history::do_truncate_file (const std::string& f_arg, int n)
+gnu_history::do_truncate_file (const std::string& f_arg, int n) const
 {
   if (initialized)
     {
@@ -333,7 +333,7 @@
 }
 
 string_vector
-gnu_history::do_list (int limit, bool number_lines)
+gnu_history::do_list (int limit, bool number_lines) const
 {
   string_vector retval;
 
@@ -344,7 +344,7 @@
 }
 
 std::string
-gnu_history::do_get_entry (int n)
+gnu_history::do_get_entry (int n) const
 {
   std::string retval;
 
@@ -765,7 +765,7 @@
 }
 
 int
-command_history::do_size (void)
+command_history::do_size (void) const
 {
   return xsize;
 }
@@ -777,7 +777,7 @@
 }
 
 bool
-command_history::do_ignoring_entries (void)
+command_history::do_ignoring_entries (void) const
 {
   return ignoring_additions;
 }
@@ -793,31 +793,31 @@
 }
 
 int
-command_history::do_where (void)
+command_history::do_where (void) const
 {
   return 0;
 }
 
 int
-command_history::do_length (void)
+command_history::do_length (void) const
 {
   return 0;
 }
 
 int
-command_history::do_max_input_history (void)
+command_history::do_max_input_history (void) const
 {
   return 0;
 }
 
 int
-command_history::do_base (void)
+command_history::do_base (void) const
 {
   return 0;
 }
 
 int
-command_history::do_current_number (void)
+command_history::do_current_number (void) const
 {
   return (xsize > 0) ? do_base () + do_where () : -1;
 }
@@ -834,7 +834,7 @@
 }
 
 int
-command_history::do_is_stifled (void)
+command_history::do_is_stifled (void) const
 {
   return 0;
 }
@@ -865,7 +865,7 @@
 }
 
 void
-command_history::do_write (const std::string& f_arg)
+command_history::do_write (const std::string& f_arg) const
 {
   if (initialized)
     {
@@ -903,7 +903,7 @@
 }
 
 void
-command_history::do_truncate_file (const std::string& f_arg, int)
+command_history::do_truncate_file (const std::string& f_arg, int) const
 {
   if (initialized)
     {
@@ -918,13 +918,13 @@
 }
 
 string_vector
-command_history::do_list (int, bool)
+command_history::do_list (int, bool) const
 {
   return string_vector ();
 }
 
 std::string
-command_history::do_get_entry (int)
+command_history::do_get_entry (int) const
 {
   return std::string ();
 }
@@ -950,13 +950,13 @@
 }
 
 void
-command_history::error (int err_num)
+command_history::error (int err_num) const
 {
   (*current_liboctave_error_handler) ("%s", gnulib::strerror (err_num));
 }
 
 void
-command_history::error (const std::string& s)
+command_history::error (const std::string& s) const
 {
   (*current_liboctave_error_handler) ("%s", s.c_str ());
 }
diff -r 8f23b6757225 -r 7aeb4eb7403f liboctave/cmd-hist.h
--- a/liboctave/cmd-hist.h	Thu Jan 13 02:38:57 2011 -0500
+++ b/liboctave/cmd-hist.h	Thu Jan 13 02:48:07 2011 -0500
@@ -146,31 +146,31 @@
 
   virtual void do_set_size (int);
 
-  virtual int do_size (void);
+  virtual int do_size (void) const;
 
   virtual void do_ignore_entries (bool);
 
-  virtual bool do_ignoring_entries (void);
+  virtual bool do_ignoring_entries (void) const;
 
   virtual void do_add (const std::string&);
 
   virtual void do_remove (int);
 
-  virtual int do_where (void);
+  virtual int do_where (void) const;
 
-  virtual int do_length (void);
+  virtual int do_length (void) const;
 
-  virtual int do_max_input_history (void);
+  virtual int do_max_input_history (void) const;
 
-  virtual int do_base (void);
+  virtual int do_base (void) const;
 
-  virtual int do_current_number (void);
+  virtual int do_current_number (void) const;
 
   virtual void do_stifle (int);
 
   virtual int do_unstifle (void);
 
-  virtual int do_is_stifled (void);
+  virtual int do_is_stifled (void) const;
 
   virtual void do_set_mark (int);
 
@@ -180,23 +180,23 @@
 
   virtual void do_read_range (const std::string&, int, int, bool);
 
-  virtual void do_write (const std::string&);
+  virtual void do_write (const std::string&) const;
 
   virtual void do_append (const std::string&);
 
-  virtual void do_truncate_file (const std::string&, int);
+  virtual void do_truncate_file (const std::string&, int) const;
 
-  virtual string_vector do_list (int, bool);
+  virtual string_vector do_list (int, bool) const;
 
-  virtual std::string do_get_entry (int);
+  virtual std::string do_get_entry (int) const;
 
   virtual void do_replace_entry (int, const std::string&);
 
   virtual void do_clean_up_and_save (const std::string&, int);
 
-  void error (int);
+  void error (int) const;
 
-  void error (const std::string&);
+  void error (const std::string&) const;
 
   // TRUE means we have initialized the history file name and number of
   // lines to save.