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more data member initialization fixes
author John W. Eaton <jwe@octave.org>
date Thu, 13 Jan 2011 10:00:13 -0500
parents f3b65e1ae355
children fd0a3ac60b0e
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1 /*
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2
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3 Copyright (C) 2002, 2005, 2007, 2009 John W. Eaton
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #if !defined (octave_base_list_h)
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24 #define octave_base_list_h 1
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25
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26 #include <list>
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27
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28 template <typename elt_type>
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29 class
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30 octave_base_list
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31 {
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32 public:
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33
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34 typedef typename std::list<elt_type>::iterator iterator;
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35 typedef typename std::list<elt_type>::const_iterator const_iterator;
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36
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37 bool empty (void) const { return lst.empty (); }
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38
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39 size_t length (void) const { return lst.size (); }
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40
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41 iterator erase (iterator pos) { return lst.erase (pos); }
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42
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43 template <class P>
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44 void remove_if (P pred)
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45 {
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46 // We would like to simply call
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47 //
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48 // lst.remove_if (pred);
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49 //
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50 // but the Sun Studio compiler chokes on that.
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51 //
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52 // FIXME -- this kluge should be removed at some point.
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53
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54 iterator b = lst.begin ();
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55 iterator e = lst.end ();
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56 while (b != e)
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57 {
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58 iterator n = b;
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59 n++;
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60 if (pred (*b))
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61 lst.erase (b);
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62 b = n;
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63 }
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64 }
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65
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66 void clear (void) { lst.clear (); }
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67
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68 iterator begin (void) { return iterator (lst.begin ()); }
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69 const_iterator begin (void) const { return const_iterator (lst.begin ()); }
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70
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71 iterator end (void) { return iterator (lst.end ()); }
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72 const_iterator end (void) const { return const_iterator (lst.end ()); }
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73
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74 elt_type& front (void) { return lst.front (); }
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75 elt_type& back (void) { return lst.back (); }
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76
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77 const elt_type& front (void) const { return lst.front (); }
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78 const elt_type& back (void) const { return lst.back (); }
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79
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80 void push_front (const elt_type& s) { lst.push_front (s); }
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81 void push_back (const elt_type& s) { lst.push_back (s); }
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82
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83 void pop_front (void) { lst.pop_front (); }
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84 void pop_back (void) { lst.pop_back (); }
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85
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86 // For backward compatibility.
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87 void append (const elt_type& s) { lst.push_back (s); }
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88
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89 protected:
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90
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91 octave_base_list (void) : lst () { }
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92
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93 octave_base_list (const octave_base_list& bl) : lst (bl.lst) { }
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94
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95 octave_base_list& operator = (const octave_base_list& bl)
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96 {
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97 if (this != &bl)
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98 {
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99 lst = bl.lst;
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100 }
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101 return *this;
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102 }
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103
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104 ~octave_base_list (void) { }
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105
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106 private:
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107
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108 std::list<elt_type> lst;
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109 };
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110
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111 #endif