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changeset 2658:dd71eb0bb414

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[project @ 1997-02-03 04:49:57 by jwe]
author jwe
date Mon, 03 Feb 1997 04:50:10 +0000
parents 7457014d8985
children 5ea93b07a88b
files liboctave/ChangeLog liboctave/cmd-hist.cc liboctave/cmd-hist.h src/Stack.h src/octave.cc
diffstat 5 files changed, 44 insertions(+), 12 deletions(-) [+]
line wrap: on
line diff
--- a/liboctave/ChangeLog
+++ b/liboctave/ChangeLog
@@ -1,3 +1,9 @@
+Sun Feb  2 22:33:44 1997  John W. Eaton  <jwe@bevo.che.wisc.edu>
+
+	* cmd-hist.cc (command_history::read): New arg, must_exist.
+	Set line_in_file here too.
+	(command_history::read_range): New arg, must_exist.
+
 Fri Jan 31 09:21:57 1997  John W. Eaton  <jwe@bevo.che.wisc.edu>
 
 	* f2c-main.c: Change C++-style comments to C-style comments.
--- a/liboctave/cmd-hist.cc
+++ b/liboctave/cmd-hist.cc
@@ -179,7 +179,13 @@
 }
 
 void
-command_history::read (const string& f_arg)
+command_history::read (bool must_exist)
+{
+  read (xfile, must_exist);
+}
+
+void
+command_history::read (const string& f_arg, bool must_exist)
 {
   string f = f_arg;
 
@@ -190,17 +196,27 @@
     {
       int status = ::read_history (f.c_str ());
 
-      if (status != 0)
+      if (status != 0 && must_exist)
 	error (status);
       else
-	::using_history ();
+	{
+	  lines_in_file = where ();
+
+	  ::using_history ();
+	}
     }
   else
     error ("command_history::read: missing file name");
 }
 
+command_history::read_range (int from, int to, bool must_exist)
+{
+  read_range (xfile, from, to, must_exist);
+}
+
 void
-command_history::read_range (const string& f_arg, int from, int to)
+command_history::read_range (const string& f_arg, int from, int to,
+			     bool must_exist)
 {
   if (from < 0)
     from = lines_in_file;
@@ -214,12 +230,13 @@
     {
       int status = ::read_history_range (f.c_str (), from, to);
 
-      if (status != 0)
+      if (status != 0 && must_exist)
 	error (status);
       else
 	{
+	  lines_in_file = where ();
+
 	  ::using_history ();
-	  lines_in_file = where ();
 	}
     }
   else
--- a/liboctave/cmd-hist.h
+++ b/liboctave/cmd-hist.h
@@ -32,7 +32,9 @@
 {
 public:
 
-  command_history (const string& = string (), int = -1);
+  command_history (const string& = string (), int = -1, bool = false)
+
+  command_history (const string& = string (), int = -1)
 
   ~command_history (void) { initialized = false; }
 
@@ -64,9 +66,14 @@
 
   int is_stifled (void);
 
-  void read (const string& = string ());
+  void read (bool = true);
+
+  void read (const string& = string (), bool = true)
 
-  void read_range (const string& = string (), int = -1, int = -1);
+  void read_range (int = -1, int = -1, bool = true)
+
+  void read_range (const string& = string (), int = -1, int = -1,
+		   bool = true)
 
   void write (const string& = string ());
 
--- a/src/Stack.h
+++ b/src/Stack.h
@@ -45,8 +45,10 @@
 Stack
 {
  public:
-  inline Stack (void) { }
-  inline virtual ~Stack (void) { }
+
+  Stack (void) { }
+
+  virtual ~Stack (void) { }
 
   virtual void push (const T& item) = 0;
 
--- a/src/octave.cc
+++ b/src/octave.cc
@@ -533,7 +533,7 @@
 
   execute_startup_files ();
 
-  octave_command_history.read ();
+  octave_command_history.read (false);
 
   if (! inhibit_startup_message && reading_startup_message_printed)
     cout << endl;