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annotate src/main.cpp @ 756:5a0ece4b81b4

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main.cpp: Added a try-catch around the application execution call. git-svn-id: svn://svn.code.sf.net/p/universalindent/code/trunk@1033 59b1889a-e5ac-428c-b0c7-476e01d41282
author thomas_-_s <thomas_-_s@59b1889a-e5ac-428c-b0c7-476e01d41282>
date Mon, 11 Apr 2011 20:32:52 +0000
parents 4ec2ac09969d
children cc2ba63d6005
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rev   line source
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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 "MainWindow.h"
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22 #include "UiGuiIndentServer.h"
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23 #include "debugging/TSLogger.h"
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24 #include "UiGuiIniFileParser.h"
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25 #include "UiGuiSettings.h"
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26 #include "UiGuiVersion.h"
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27 #include "UiGuiSystemInfo.h"
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28 #include "IndentHandler.h"
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29 #include "SettingsPaths.h"
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31 #include <QApplication>
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32 #include <QTextCodec>
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33 #include <QDebug>
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35 #include <string>
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36 #include <iostream>
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37 #include <algorithm>
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38 #include <tclap/CmdLine.h>
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39
721
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40 #ifdef WIN32
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41
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42 #include <windows.h>
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43 #include <direct.h>
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44 #include <stdlib.h>
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45 #include <stdio.h>
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46 #include <fcntl.h>
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47 #include <io.h>
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48 #include <iostream>
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49 #include <fstream>
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50
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51 /**
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52 \brief Calling this function tries to attach to the console of the parent process and
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53 redirect all inputs and outputs from and to this console.
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54
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55 The redirected streams are stdout, stdin, stderr, cout, wcout, cin, wcin, wcerr, cerr, wclog and clog.
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56
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57 Code based on info from http://dslweb.nwnexus.com/~ast/dload/guicon.htm.
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58 */
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59 bool attachToConsole(/*enum ATTACH_ONLY|TRY_ATTACH_ELSE_CREATE|CREATE_NEW*/)
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60 {
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61 int hConHandle;
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62 long lStdHandle;
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63 CONSOLE_SCREEN_BUFFER_INFO coninfo;
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64 FILE *fp;
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65
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66 // Trying to attach to the console of the parent process.
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67 BOOL successful = AttachConsole(ATTACH_PARENT_PROCESS);
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68 // In case that the parent process has no console return false and do no input/output redirection.
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69 if ( !successful )
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70 return false;
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71
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72 // Set the screen buffer to be big enough to let us scroll text
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73 GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &coninfo);
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74 // Set maximum console lines.
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75 coninfo.dwSize.Y = 500;
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76 SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE), coninfo.dwSize);
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77
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78 // Redirect unbuffered STDOUT to the console.
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79 lStdHandle = (long)GetStdHandle(STD_OUTPUT_HANDLE);
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80 hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
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81 fp = _fdopen( hConHandle, "w" );
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82 *stdout = *fp;
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83 setvbuf( stdout, NULL, _IONBF, 0 );
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84
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85 // Redirect unbuffered STDIN to the console.
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86 lStdHandle = (long)GetStdHandle(STD_INPUT_HANDLE);
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87 hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
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88 fp = _fdopen( hConHandle, "r" );
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89 *stdin = *fp;
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90 setvbuf( stdin, NULL, _IONBF, 0 );
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91
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92 // Redirect unbuffered STDERR to the console.
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93 lStdHandle = (long)GetStdHandle(STD_ERROR_HANDLE);
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94 hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
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95 fp = _fdopen( hConHandle, "w" );
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96 *stderr = *fp;
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97 setvbuf( stderr, NULL, _IONBF, 0 );
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98
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99 // Make cout, wcout, cin, wcin, wcerr, cerr, wclog and clog point to console as well.
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100 std::ios::sync_with_stdio();
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101
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102 return true;
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103 }
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104 #endif
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105
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106 using namespace tschweitzer::debugging;
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107
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108 /*!
500
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109 /brief Entry point to UniversalIndentGUI application.
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110
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111 Evaluates the following parameters:
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112 No parameters starts without server and full gui.
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113 -f filename --file filename : Opens the by filename defined file on start.
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114 -p --plugin : Run as plugin. Server will be started with a simplified gui.
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115 -s --server : Run as server only without gui.
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116 If -p and -s are set, -p will be used.
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117 -v --verbose needs a following parameter defining the verbose level as a number from 0 to 3.
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118 */
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119 int main(int argc, char *argv[]) {
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120 QString file2OpenOnStart = "";
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121 int verboseLevel = 1;
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122 bool startAsPlugin = false;
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123 bool startAsServer = false;
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124 bool tclapExitExceptionThrown = false;
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125 int returnValue = 0;
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126
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127 #ifdef WIN32
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128 bool attachedToConsole = false;
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129 attachedToConsole = attachToConsole();
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130 #endif
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131
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132 #ifdef __APPLE__
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133 // Filter out -psn_0_118813 and similar parameters.
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134 std::vector<char*> argList;
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135 for ( int i = 0; i < argc; i++ ) {
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136 QString argString(argv[i]);
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137
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138 if ( argString.startsWith("-psn_") == false ) {
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139 argList.push_back(argv[i]);
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140 }
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141 else {
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142 // std::cerr << std::endl << "The parameter "<< i << " is an invalid finder parameter. Parameter was " << argv[i] << std::endl;
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143 }
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144 }
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145 for ( size_t i = 0; i < argList.size(); i++ ) {
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146 argv[i] = argList.at(i);
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147 }
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148 argc = argList.size();
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149 #endif
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150
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151 // Wrap everything in a try block. Do this every time,
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152 // because exceptions will be thrown for problems.
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153 try {
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154 // Define the command line object.
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155 TCLAP::CmdLine cmd("If -p and -s are set, -p will be used.\nGiving no parameters starts full gui without server.", ' ', "UiGUI version " PROGRAM_VERSION_STRING " " PROGRAM_REVISION);
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156 cmd.setExceptionHandling(false);
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157
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158 // Define a value argument and add it to the command line.
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159 TCLAP::ValueArg<std::string> filenameArg("f", "file", "Opens the by filename defined file on start" , false, "", "string");
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160 cmd.add( filenameArg );
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161
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162 // Define a switch and add it to the command line.
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163 TCLAP::SwitchArg pluginSwitch("p", "plugin", "Run as plugin. Server will be started with a simplified gui", false);
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164 cmd.add( pluginSwitch );
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165
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166 // Define a switch and add it to the command line.
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167 TCLAP::SwitchArg serverSwitch("s", "server", "Run as server only without gui", false);
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168 cmd.add( serverSwitch );
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169
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170 // Define a value argument and add it to the command line.
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171 TCLAP::ValueArg<int> verboselevelArg("v", "verbose", "Sets how many info is written to the log. 0 means with debug info, 3 means critical messages only" , false, 1, "int");
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172 cmd.add( verboselevelArg );
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173
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174 // Parse the args.
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175 cmd.parse( argc, argv );
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176
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177 // Get the value parsed by each arg.
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178 file2OpenOnStart = filenameArg.getValue().c_str();
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179 startAsPlugin = pluginSwitch.getValue();
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180 startAsServer = serverSwitch.getValue();
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181 verboseLevel = verboselevelArg.getValue();
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182 }
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183 catch (TCLAP::ArgException &e) { // catch arg exceptions
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184 std::cerr << std::endl << "error: " << e.error() << ". " << e.argId() << std::endl;
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185 returnValue = 1;
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186 }
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187 catch (TCLAP::ExitException &e) { // catch exit exceptions
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188 tclapExitExceptionThrown = true;
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189 returnValue = e.getExitStatus();
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190 }
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diff changeset
191 catch (...) { // catch any exceptions
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192 std::cerr << std::endl << "There was an error! Maybe faulty command line arguments set. See --help." << std::endl;
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193 returnValue = 1;
720
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194 }
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195
721
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196 if ( returnValue != 0 || tclapExitExceptionThrown ) {
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197 #ifdef WIN32
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198 if ( attachedToConsole ) {
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199 // Workaround for skipped command line prompt: Get the current working directory and print it to console.
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200 char* buffer;
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201 if( (buffer = _getcwd( NULL, 0 )) != NULL ) {
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202 std::cerr << std::endl << buffer << ">";
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203 free(buffer);
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204 }
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205 // Release the connection to the parents console.
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206 FreeConsole();
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207 }
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diff changeset
208 #endif
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209 return returnValue;
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210 }
720
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211
1
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212 QApplication app(argc, argv);
638
94734b9eb54f Renamed the source files and some classes to have consistent names. What a nice kind of work.
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213 UiGuiIndentServer server;
500
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214 MainWindow *mainWindow = NULL;
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215 IndentHandler *indentHandler = NULL;
496
205b2f8adf4a In preparation for some kind of IPC added a server class. With this abstraction it will be easier to create plugins for other ides or editors which can communicate with UiGUI.
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216
709
718e2e543cd1 Start parsing the command line arguments before the logger is initialized. Otherwise the command line verbose level applies too late and some debug output might be missing.
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217 // Init and install the logger function.
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218 // Setting UTF-8 as default 8-Bit encoding to ensure that qDebug does no false string conversion.
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219 QTextCodec::setCodecForCStrings( QTextCodec::codecForName("UTF-8") );
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220 QTextCodec::setCodecForLocale( QTextCodec::codecForName("UTF-8") );
754
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221 // Force creation of an TSLogger instance here, to avoid recursion with SettingsPaths init function.
687
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222 #ifdef _DEBUG
754
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223 TSLogger::getInstance(0);
688
b5b686bac866 Made it possible to set the verbose level via command line parameter.
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224 #else
754
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225 TSLogger::getInstance(verboseLevel);
687
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226 #endif
754
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227 qInstallMsgHandler( TSLogger::messageHandler );
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228 TSLogger::messageHandler( TSLoggerInfoMsg, QString("Starting UiGUI Version %1 %2").arg(PROGRAM_VERSION_STRING).arg(PROGRAM_REVISION).toAscii() );
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229 TSLogger::messageHandler( TSLoggerInfoMsg, QString("Running on %1").arg(UiGuiSystemInfo::getOperatingSystem()).toAscii() );
634
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230
528
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231 // Set default values for all by UniversalIndentGUI used settings objects.
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232 QCoreApplication::setOrganizationName("UniversalIndentGUI");
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233 QCoreApplication::setOrganizationDomain("universalindent.sf.net");
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234 QCoreApplication::setApplicationName("UniversalIndentGUI");
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235
500
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236 // Start normal with full gui and without server.
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237 if ( !startAsPlugin && !startAsServer ) {
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238 mainWindow = new MainWindow(file2OpenOnStart);
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239 mainWindow->show();
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240 }
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241 // Start as plugin with server.
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diff changeset
242 else if ( startAsPlugin ) {
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diff changeset
243 server.startServer();
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244 indentHandler = new IndentHandler(0);
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245 indentHandler->show();
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246 }
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247 // Start as server only without any gui.
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248 else if ( startAsServer ) {
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249 server.startServer();
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250 }
63
aea5d4632a2f replaced tabs by spaces.
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251
756
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252 try {
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253 returnValue = app.exec();
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254 }
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diff changeset
255 catch (std::exception &ex) {
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256 qCritical() << __LINE__ << " " << __FUNCTION__ << ": Something went terribly wrong:" << ex.what();
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257 }
571
f401efb5080b Explicitly calling delete on the MainWindow and IndentHandler objects and now the (dependent) destructors are also correctly called.
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258
724
6cca48ee1557 Small correction and compiler warning avoid.
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259 if ( startAsPlugin || startAsServer )
571
f401efb5080b Explicitly calling delete on the MainWindow and IndentHandler objects and now the (dependent) destructors are also correctly called.
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diff changeset
260 server.stopServer();
720
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261
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diff changeset
262 delete indentHandler;
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263 delete mainWindow;
634
82cd1efd6015 Talking about clean and well formatted code all the time and never run mine through a beautifier while still having a mix of tabs an spaces. So now Uncrustify has cleaned my code. Still two unsatisfying points are left. indenthandler.cpp line 467 a space between case label and colon has been removed and like on line 503 some code lines got indented without setting that explicitly.
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264
751
ac165b6ae67e Done some refactoring:
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265 SettingsPaths::cleanAndRemoveTempDir();
754
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diff changeset
266 TSLogger::deleteInstance();
571
f401efb5080b Explicitly calling delete on the MainWindow and IndentHandler objects and now the (dependent) destructors are also correctly called.
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parents: 557
diff changeset
267
f401efb5080b Explicitly calling delete on the MainWindow and IndentHandler objects and now the (dependent) destructors are also correctly called.
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diff changeset
268 return returnValue;
1
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269 }