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annotate libinterp/version.cc @ 21017:93748bcaec17

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maint: Replace emtpy 'std::string ()' calls with "". * Backend.cc, comment-list.h, debug.cc, defaults.in.h, dynamic-ld.h, error.cc, graphics.cc, graphics.in.h, help.cc, hook-fcn.h, load-path.cc, load-path.h, ls-ascii-helper.cc, ls-mat-ascii.cc, ls-mat5.cc, ls-mat5.h, ls-oct-text.cc, oct-iostrm.h, oct-lvalue.h, oct-stream.cc, oct-stream.h, oct-strstrm.h, regexp.cc, schur.cc, sqrtm.cc, strfns.cc, symtab.cc, symtab.h, sysdep.cc, toplev.cc, urlwrite.cc, variables.cc, variables.h, ov-builtin.h, ov-cell.cc, ov-class.cc, ov-classdef.cc, ov-classdef.h, ov-dld-fcn.h, ov-fcn-handle.cc, ov-fcn-inline.cc, ov-fcn-inline.h, ov-fcn.h, ov-lazy-idx.cc, ov-mex-fcn.h, ov-struct.cc, ov-typeinfo.cc, ov-typeinfo.h, ov-usr-fcn.cc, ov-usr-fcn.h, ov.h, ovl.h, octave.cc, lex.h, parse.h, pt-classdef.h, pt-exp.cc, pt-pr-code.h, token.h, version.cc, version.in.h, oct-rand.h, dir-ops.h, file-ops.cc, file-ops.h, file-stat.h, oct-env.cc, oct-group.cc, oct-passwd.cc, oct-syscalls.cc, cmd-edit.cc, cmd-edit.h, cmd-hist.cc, cmd-hist.h, kpse.cc, lo-array-gripes.h, pathsearch.cc, pathsearch.h, str-vec.h, url-transfer.h: Replace emtpy 'std::string ()' calls with "".
author Rik <rik@octave.org>
date Wed, 30 Dec 2015 12:33:33 -0800
parents 4197fc428c7d
children fcac5dbbf9ed
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1 /*
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2
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3 Copyright (C) 2013-2015 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 #ifdef HAVE_CONFIG_H
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24 #include <config.h>
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25 #endif
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26
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27 #include <string>
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28
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29 #include "defaults.h"
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30 #include "version.h"
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31
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32 static std::string
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33 octave_warranty_statement (const std::string& extra_info = "")
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34 {
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35 return "There is ABSOLUTELY NO WARRANTY; not even for MERCHANTABILITY or\n\
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36 FITNESS FOR A PARTICULAR PURPOSE."
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37 + extra_info;
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38 }
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39
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40 static std::string
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41 format_url (bool html, const std::string& url)
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42 {
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43 return html ? "<a href=\"" + url + "\">" + url + "</a>" : url;
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44 }
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45
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46 std::string
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47 octave_www_statement (bool html)
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48 {
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49 return "Additional information about Octave is available at "
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50 + format_url (html, "http://www.octave.org.");
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51 }
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52
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53 std::string
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54 octave_contrib_statement (bool html)
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55 {
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56 return "Please contribute if you find this software useful.\n\
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57 For more information, visit "
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58 + format_url (html, "http://www.octave.org/get-involved.html");
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59 }
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60
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61 std::string
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62 octave_bugs_statement (bool html)
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63 {
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64 return "Read " + format_url (html, "http://www.octave.org/bugs.html")
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65 + " to learn how to submit bug reports.";
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66 }
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67
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68 std::string
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69 octave_name_version_and_copyright (void)
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70 {
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71 // The GNU coding standards say that on the first line printed by
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72 // --version, the version number should follow the last space on the
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73 // line.
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74
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75 return "GNU Octave, version " OCTAVE_VERSION "\n" OCTAVE_COPYRIGHT;
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76 }
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77
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78 std::string
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79 octave_name_version_copyright_copying_and_warranty
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80 (bool html, const std::string& extra_info)
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81 {
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82 std::string br = html ? "<br>\n" : "\n";
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83 std::string sep = html ? "\n</p>\n<p>\n" : "\n\n";
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84
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85 return octave_name_version_and_copyright ()
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86 + br
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87 + "This is free software; see the source code for copying conditions."
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88 + br
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89 + octave_warranty_statement (extra_info)
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90 + sep
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91 + "Octave was configured for \"" OCTAVE_CANONICAL_HOST_TYPE "\".";
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92 }
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93
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94 std::string
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95 octave_name_version_copyright_copying_warranty_and_bugs
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96 (bool html, const std::string& extra_info)
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97 {
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98 std::string sep = html ? "\n</p>\n<p>\n" : "\n\n";
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99
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100 std::string msg;
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101
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102 if (html)
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103 msg = "<p>\n";
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104
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105 msg += octave_name_version_copyright_copying_and_warranty (html, extra_info)
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106 + sep
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107 + octave_www_statement (html)
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108 + sep
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109 + octave_contrib_statement (html)
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110 + sep
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111 + octave_bugs_statement (html)
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112 + (html ? "\n</p>" : "");
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113
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114 return msg;
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115 }
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116
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117 std::string
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118 octave_startup_message (bool html)
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119 {
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120 std::string msg
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121 = octave_name_version_copyright_copying_warranty_and_bugs
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122 (html, " For details, type 'warranty'.");
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123
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124 msg += (html ? "<p>\n" : "\n");
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125
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126 msg += "For information about changes from previous versions, type 'news'.";
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127
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128 msg += (html ? "\n</p>" : "");
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129
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130 return msg;
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131 }