Mercurial > octave-nkf

annotate gui/src/OctaveLink.cpp @ 13520:17bb8974577b

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author Jacob Dawid <jacob.dawid@googlemail.com>
date Tue, 19 Jul 2011 23:06:57 +0200
parents 35ecb6063c7b
children 16b33b7ef1b3
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1 /*
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2
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3 Copyright (C) 2007,2008,2009 John P. Swensen
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4 Copyright (C) 2010, 2011 Jacob Dawid
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5
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6 Octave is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 Octave is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with Octave; see the file COPYING. If not, write to the Free
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18 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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19 02110-1301, USA.
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20
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21 */
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22
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23 // Born July 13, 2007.
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24
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25 #include "OctaveLink.h"
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26 #include <QDebug>
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27
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28 OctaveLink OctaveLink::m_singleton;
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29
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30 OctaveLink::OctaveLink ():QObject ()
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31 {
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32 m_symbolTableSemaphore = new QSemaphore (1);
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33 m_historyModel = new QStringListModel (this);
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34 }
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35
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36 OctaveLink::~OctaveLink ()
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37 {
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38 }
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39
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40 int
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41 OctaveLink::readlineEventHook ()
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42 {
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43 OctaveLink::instance ()->processOctaveServerData ();
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44 return 0;
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45 }
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46
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47 QString
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48 OctaveLink::octaveValueAsQString (OctaveValue octaveValue)
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49 {
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50 // Convert single qouted string.
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51 if (octaveValue.is_sq_string ())
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52 {
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53 return QString ("\'%1\'").arg (octaveValue.string_value ().c_str ());
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54
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55 // Convert double qouted string.
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56 }
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57 else if (octaveValue.is_dq_string ())
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58 {
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59 return QString ("\"%1\"").arg (octaveValue.string_value ().c_str ());
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60
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61 // Convert real scalar.
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62 }
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63 else if (octaveValue.is_real_scalar ())
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64 {
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65 return QString ("%1").arg (octaveValue.scalar_value ());
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66
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67 // Convert complex scalar.
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68 }
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69 else if (octaveValue.is_complex_scalar ())
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70 {
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71 return QString ("%1 + %2i").arg (octaveValue.scalar_value ()).
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72 arg (octaveValue.complex_value ().imag ());
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73
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74 // Convert range.
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75 }
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76 else if (octaveValue.is_range ())
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77 {
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78 return QString ("%1 : %2 : %3").arg (octaveValue.range_value ().
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79 base ()).arg (octaveValue.
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80 range_value ().
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81 inc ()).
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82 arg (octaveValue.range_value ().limit ());
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83
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84 // Convert real matrix.
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85 }
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86 else if (octaveValue.is_real_matrix ())
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87 {
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88 // TODO: Convert real matrix into a string.
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89 return QString ("{matrix}");
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90
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91 // Convert complex matrix.
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92 }
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93 else if (octaveValue.is_complex_matrix ())
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94 {
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95 // TODO: Convert complex matrix into a string.
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96 return QString ("{complex matrix}");
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97
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98 // If everything else does not fit, we could not recognize the type.
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99 }
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100 else
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101 {
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102 return QString ("<Type not recognized>");
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103 }
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104 }
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105
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106 void
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107 OctaveLink::fetchSymbolTable ()
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108 {
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109 m_symbolTableSemaphore->acquire ();
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110 m_symbolTableBuffer.clear ();
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111 std::list < SymbolRecord > allVariables = symbol_table::all_variables ();
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112 std::list < SymbolRecord >::iterator iterator;
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113 for (iterator = allVariables.begin (); iterator != allVariables.end ();
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114 iterator++)
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115 m_symbolTableBuffer.append (iterator->dup ());
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116 m_symbolTableSemaphore->release ();
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117 emit symbolTableChanged ();
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118 }
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119
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120 QList < SymbolRecord > OctaveLink::currentSymbolTable ()
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121 {
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122 QList < SymbolRecord > m_symbolTableCopy;
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123
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124 // Generate a deep copy of the current symbol table.
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125 m_symbolTableSemaphore->acquire ();
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126 foreach (SymbolRecord symbolRecord, m_symbolTableBuffer)
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127 m_symbolTableCopy.append (symbolRecord.dup ());
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128 m_symbolTableSemaphore->release ();
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129
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130 return m_symbolTableCopy;
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131 }
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132
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133
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134 void
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135 OctaveLink::updateHistoryModel ()
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136 {
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137 // Determine the client's (our) history length and the one of the server.
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138 int clientHistoryLength = m_historyModel->rowCount ();
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139 int serverHistoryLength = command_history::length ();
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140
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141 // If were behind the server, iterate through all new entries and add them to our history.
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142 if (clientHistoryLength < serverHistoryLength)
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143 {
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144 for (int i = clientHistoryLength; i < serverHistoryLength; i++)
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145 {
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146 m_historyModel->insertRow (0);
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147 m_historyModel->setData (m_historyModel->index (0), QString (command_history::get_entry (i).c_str ()));
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148 }
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149 }
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150 }
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151
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152 QStringListModel *
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153 OctaveLink::historyModel ()
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154 {
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155 return m_historyModel;
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156 }
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157
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158 void
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159 OctaveLink::processOctaveServerData ()
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160 {
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161 fetchSymbolTable ();
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162 }