Mercurial > hg > forks > UniversalIndentGUI

annotate src/UiGuiIndentServer.cpp @ 751:ac165b6ae67e

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Done some refactoring: - Moved includes into the cpp files where possible and using class pre-declarations if possible - Made class member variable names begin with an underscore - Made by uic created header files be used as class members instead of inherting them - Renamed some variables to reflect their purpose better - Added some NULL initializations and added some comments - Rearranged some include and declaration code parts to be consistent and better readable - Updated for QScintilla 2.4.5 - Made UiGuiSettings be accessed via a shared pointer only git-svn-id: svn://svn.code.sf.net/p/universalindent/code/trunk@1028 59b1889a-e5ac-428c-b0c7-476e01d41282
author thomas_-_s <thomas_-_s@59b1889a-e5ac-428c-b0c7-476e01d41282>
date Thu, 14 Oct 2010 19:52:47 +0000
parents aae5a8d04f70
children f3631db17328
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1 /***************************************************************************
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2 * Copyright (C) 2006-2010 by Thomas Schweitzer *
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3 * thomas-schweitzer(at)arcor.de *
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4 * *
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5 * This program is free software; you can redistribute it and/or modify *
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6 * it under the terms of the GNU General Public License version 2.0 as *
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7 * published by the Free Software Foundation. *
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8 * *
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9 * This program is distributed in the hope that it will be useful, *
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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12 * GNU General Public License for more details. *
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13 * *
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14 * You should have received a copy of the GNU General Public License *
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15 * along with this program in the file LICENSE.GPL; if not, write to the *
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16 * Free Software Foundation, Inc., *
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17 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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18 ***************************************************************************/
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19
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20 #include "UiGuiIndentServer.h"
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21
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22 #include <QTcpServer>
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23 #include <QTcpSocket>
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24 #include <QMessageBox>
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25 #include <QtDebug>
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26
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27 //! \defgroup grp_Server All concerning the server component.
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28
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29 /*!
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30 \class UiGuiIndentServer
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31 \ingroup grp_Server
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32 \brief UiGuiIndentServer is in such an early state, that even the communication
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33 protocol isn't completely planned. So this class lacks documentation until
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34 I really know where all this will lead to.
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35
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36 The plan however is to have a server that receives commands for selecting an
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37 indenter and perhaps load some by the user predefined indenter config file. Then
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38 the client can send a text to it and will receive it formatted.
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39 The idea behind that is to make UiGUIs use as plugin or whatever more flexible.
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40 So the plugin is developed for Eclipse for example and it takes the client role,
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41 making it possible to use UiGUI from within Eclipse. Choosing a network protocol
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42 makes everything platform and programming language independent, so it doesn't
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43 matter for which application the plugin/client is developed.
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44 */
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45
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46 UiGuiIndentServer::UiGuiIndentServer(void) : QObject() {
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47 _tcpServer = NULL;
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48 _currentClientConnection = NULL;
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49 _readyForHandleRequest = false;
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50 }
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51
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52
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53 UiGuiIndentServer::~UiGuiIndentServer(void) {
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54 }
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55
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56
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57 void UiGuiIndentServer::startServer() {
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58 if ( _tcpServer == NULL ) {
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59 _tcpServer = new QTcpServer(this);
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60 }
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61
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62 if ( !_tcpServer->isListening() ) {
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63 if ( !_tcpServer->listen(QHostAddress::Any, quint16(84484)) ) {
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64 QMessageBox::critical( NULL, tr("UiGUI Server"), tr("Unable to start the server: %1.").arg(_tcpServer->errorString()) );
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65 return;
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66 }
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67 }
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68
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69 connect( _tcpServer, SIGNAL(newConnection()), this, SLOT(handleNewConnection()) );
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70 _readyForHandleRequest = true;
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71 _blockSize = 0;
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72 }
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75 void UiGuiIndentServer::stopServer() {
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76 if ( _tcpServer != NULL ) {
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77 _tcpServer->close();
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78 delete _tcpServer;
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79 _tcpServer = NULL;
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80 }
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81 _currentClientConnection = NULL;
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82 _readyForHandleRequest = false;
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83 }
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84
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85
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86 void UiGuiIndentServer::handleNewConnection() {
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87 QTcpSocket *clientConnection = _tcpServer->nextPendingConnection();
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88 connect( clientConnection, SIGNAL(disconnected()), clientConnection, SLOT(deleteLater()) );
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89
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90 connect( clientConnection, SIGNAL(readyRead()), this, SLOT(handleReceivedData()) );
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91 }
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92
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93
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94 void UiGuiIndentServer::handleReceivedData() {
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95 if ( !_readyForHandleRequest ) {
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96 return;
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97 }
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98
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99 _currentClientConnection = qobject_cast<QTcpSocket*>( sender() );
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100 QString receivedData = "";
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101
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102 if ( _currentClientConnection != NULL ) {
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103 QDataStream in(_currentClientConnection);
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104 in.setVersion(QDataStream::Qt_4_0);
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105
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106 if ( _blockSize == 0 ) {
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107 if ( _currentClientConnection->bytesAvailable() < (int)sizeof(quint32) )
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108 return;
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109
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110 in >> _blockSize;
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111 }
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112
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113 if ( _currentClientConnection->bytesAvailable() < _blockSize )
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114 return;
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115
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116 QString receivedMessage;
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117 in >> receivedMessage;
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118
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119 _blockSize = 0;
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120
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121 qDebug() << "receivedMessage: " << receivedMessage;
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122
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123 if ( receivedMessage == "ts" ) {
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124 sendMessage("Toll");
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125 }
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126 else {
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127 sendMessage("irgendwas");
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128 }
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129 }
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130 }
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131
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132
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133 void UiGuiIndentServer::sendMessage( const QString &message ) {
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134 _readyForHandleRequest = false;
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135
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136 _dataToSend = "";
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137 QDataStream out(&_dataToSend, QIODevice::WriteOnly);
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138 out.setVersion(QDataStream::Qt_4_0);
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139 out << (quint32)0;
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140 out << message;
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141 out.device()->seek(0);
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142 out << (quint32)(_dataToSend.size() - sizeof(quint32));
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143
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144 connect(_currentClientConnection, SIGNAL(bytesWritten(qint64)), this, SLOT(checkIfReadyForHandleRequest()));
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145 _currentClientConnection->write(_dataToSend);
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146 }
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147
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148
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149 void UiGuiIndentServer::checkIfReadyForHandleRequest() {
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150 if ( _currentClientConnection->bytesToWrite() == 0 ) {
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151 QString dataToSendStr = _dataToSend.right( _dataToSend.size() - sizeof(quint32) );
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152 qDebug() << "checkIfReadyForHandleRequest _dataToSend was: " << dataToSendStr;
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153 disconnect(_currentClientConnection, SIGNAL(bytesWritten(qint64)), this, SLOT(checkIfReadyForHandleRequest()));
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154 _readyForHandleRequest = true;
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155 }
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156 }