1 | |
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2 | /** \class ExRootConfReader |
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3 | * |
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4 | * Class handling output ROOT tree |
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5 | * |
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6 | * $Date: 2008-06-04 13:57:54 $ |
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7 | * $Revision: 1.1 $ |
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8 | * |
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9 | * |
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10 | * \author P. Demin - UCL, Louvain-la-Neuve |
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11 | * |
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12 | */ |
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13 | |
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14 | #include "ExRootAnalysis/ExRootConfReader.h" |
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15 | |
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16 | #include "tcl/tcl.h" |
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17 | |
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18 | #include <iostream> |
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19 | #include <iomanip> |
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20 | #include <fstream> |
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21 | #include <string> |
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22 | #include <stdexcept> |
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23 | #include <sstream> |
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24 | |
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25 | using namespace std; |
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26 | |
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27 | static Tcl_ObjCmdProc ModuleObjCmdProc; |
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28 | |
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29 | //------------------------------------------------------------------------------ |
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30 | |
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31 | ExRootConfReader::ExRootConfReader() : |
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32 | fTclInterp(0) |
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33 | { |
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34 | fTclInterp = Tcl_CreateInterp(); |
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35 | |
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36 | Tcl_CreateObjCommand(fTclInterp, "module", ModuleObjCmdProc, this, 0); |
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37 | } |
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38 | |
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39 | //------------------------------------------------------------------------------ |
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40 | |
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41 | ExRootConfReader::~ExRootConfReader() |
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42 | { |
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43 | Tcl_DeleteInterp(fTclInterp); |
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44 | } |
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45 | |
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46 | //------------------------------------------------------------------------------ |
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47 | |
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48 | void ExRootConfReader::ReadFile(const char *fileName) |
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49 | { |
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50 | /* |
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51 | ifstream inputFileStream(fileName); |
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52 | string cmdBuffer = string(istreambuf_iterator<char>(inputFileStream), istreambuf_iterator<char>()); |
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53 | |
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54 | Tcl_Obj *cmdObjPtr = Tcl_NewObj(); |
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55 | cmdObjPtr->bytes = const_cast<char *>(cmdBuffer.c_str()); |
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56 | cmdObjPtr->length = cmdBuffer.size(); |
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57 | */ |
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58 | stringstream message; |
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59 | |
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60 | ifstream inputFileStream(fileName, ios::in | ios::ate); |
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61 | if(!inputFileStream.is_open()) |
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62 | { |
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63 | message << "can't open configuration file " << fileName; |
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64 | throw runtime_error(message.str()); |
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65 | } |
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66 | |
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67 | int file_length = inputFileStream.tellg(); |
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68 | inputFileStream.seekg(0, ios::beg); |
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69 | inputFileStream.clear(); |
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70 | char *cmdBuffer = new char[file_length]; |
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71 | inputFileStream.read(cmdBuffer, file_length); |
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72 | |
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73 | Tcl_Obj *cmdObjPtr = Tcl_NewObj(); |
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74 | cmdObjPtr->bytes = cmdBuffer; |
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75 | cmdObjPtr->length = file_length; |
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76 | |
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77 | Tcl_IncrRefCount(cmdObjPtr); |
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78 | |
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79 | if(Tcl_EvalObj(fTclInterp, cmdObjPtr) != TCL_OK) |
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80 | { |
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81 | message << "can't read configuration file " << fileName << endl; |
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82 | message << Tcl_GetStringResult(fTclInterp); |
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83 | throw runtime_error(message.str()); |
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84 | } |
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85 | |
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86 | cmdObjPtr->bytes = 0; |
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87 | cmdObjPtr->length = 0; |
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88 | |
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89 | Tcl_DecrRefCount(cmdObjPtr); |
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90 | |
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91 | delete[] cmdBuffer; |
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92 | } |
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93 | |
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94 | //------------------------------------------------------------------------------ |
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95 | |
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96 | ExRootConfParam ExRootConfReader::GetParam(const char *name) |
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97 | { |
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98 | Tcl_Obj *object; |
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99 | Tcl_Obj *variableName = Tcl_NewStringObj(const_cast<char *>(name),-1); |
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100 | object = Tcl_ObjGetVar2(fTclInterp, variableName, 0, TCL_GLOBAL_ONLY); |
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101 | return ExRootConfParam(name, object, fTclInterp); |
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102 | } |
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103 | |
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104 | //------------------------------------------------------------------------------ |
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105 | |
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106 | int ExRootConfReader::GetInt(const char *name, int defaultValue, int index) |
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107 | { |
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108 | ExRootConfParam object = GetParam(name); |
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109 | if(index >= 0) |
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110 | { |
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111 | object = object[index]; |
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112 | } |
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113 | |
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114 | return object.GetInt(defaultValue); |
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115 | } |
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116 | |
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117 | //------------------------------------------------------------------------------ |
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118 | |
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119 | long ExRootConfReader::GetLong(const char *name, long defaultValue, int index) |
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120 | { |
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121 | ExRootConfParam object = GetParam(name); |
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122 | if(index >= 0) |
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123 | { |
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124 | object = object[index]; |
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125 | } |
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126 | |
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127 | return object.GetLong(defaultValue); |
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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 | double ExRootConfReader::GetDouble(const char *name, double defaultValue, int index) |
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133 | { |
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134 | ExRootConfParam object = GetParam(name); |
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135 | if(index >= 0) |
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136 | { |
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137 | object = object[index]; |
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138 | } |
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139 | |
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140 | return object.GetDouble(defaultValue); |
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141 | } |
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142 | |
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143 | //------------------------------------------------------------------------------ |
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144 | |
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145 | bool ExRootConfReader::GetBool(const char *name, bool defaultValue, int index) |
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146 | { |
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147 | ExRootConfParam object = GetParam(name); |
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148 | if(index >= 0) |
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149 | { |
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150 | object = object[index]; |
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151 | } |
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152 | |
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153 | return object.GetBool(defaultValue); |
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154 | } |
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155 | |
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156 | //------------------------------------------------------------------------------ |
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157 | |
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158 | const char *ExRootConfReader::GetString(const char *name, const char *defaultValue, int index) |
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159 | { |
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160 | ExRootConfParam object = GetParam(name); |
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161 | if(index >= 0) |
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162 | { |
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163 | object = object[index]; |
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164 | } |
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165 | |
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166 | return object.GetString(defaultValue); |
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167 | } |
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168 | |
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169 | //------------------------------------------------------------------------------ |
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170 | |
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171 | void ExRootConfReader::AddModule(const char *className, const char *moduleName) |
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172 | { |
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173 | ExRootTaskMap::iterator itMoudles = fModules.find(moduleName); |
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174 | |
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175 | if(itMoudles != fModules.end()) |
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176 | { |
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177 | cout << "** WARNING: module '" << moduleName << "' is already configured."; |
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178 | cout << " Only first entry will be used." << endl; |
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179 | } |
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180 | else |
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181 | { |
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182 | fModules.insert(make_pair(moduleName, className)); |
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183 | cout << left; |
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184 | cout << setw(30) << "** INFO: adding module"; |
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185 | cout << setw(25) << className; |
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186 | cout << setw(25) << moduleName << endl; |
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187 | } |
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188 | } |
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189 | |
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190 | //------------------------------------------------------------------------------ |
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191 | |
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192 | int ModuleObjCmdProc(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) |
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193 | { |
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194 | if(objc < 3) |
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195 | { |
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196 | /* |
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197 | Tcl_SetResult(interp, "wrong # args: should be \"module className moduleName arg ?arg...?\"", 0); |
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198 | */ |
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199 | Tcl_WrongNumArgs(interp, 1, objv, "className moduleName ?arg...?"); |
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200 | return TCL_ERROR; |
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201 | } |
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202 | |
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203 | ExRootConfReader *test = (ExRootConfReader*) clientData; |
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204 | |
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205 | // add module to a list of modules to be created |
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206 | |
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207 | test->AddModule(Tcl_GetStringFromObj(objv[1], 0), Tcl_GetStringFromObj(objv[2], 0)); |
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208 | |
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209 | if(objc > 3) |
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210 | { |
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211 | Tcl_Obj *object = Tcl_NewListObj(0, 0); |
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212 | Tcl_ListObjAppendElement(interp, object, Tcl_NewStringObj("namespace", -1)); |
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213 | Tcl_ListObjAppendElement(interp, object, Tcl_NewStringObj("eval", -1)); |
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214 | Tcl_ListObjAppendList(interp, object, Tcl_NewListObj(objc-2, objv+2)); |
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215 | |
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216 | return Tcl_GlobalEvalObj(interp, object); |
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217 | } |
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218 | |
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219 | return TCL_OK; |
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220 | } |
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221 | |
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222 | //------------------------------------------------------------------------------ |
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223 | |
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224 | ExRootConfParam::ExRootConfParam(const char *name, Tcl_Obj *object, Tcl_Interp *interp) : |
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225 | fName(name), fObject(object), fTclInterp(interp) |
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226 | { |
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227 | } |
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228 | |
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229 | //------------------------------------------------------------------------------ |
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230 | |
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231 | int ExRootConfParam::GetInt(int defaultValue) |
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232 | { |
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233 | stringstream message; |
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234 | int result = defaultValue; |
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235 | if(fObject && TCL_OK != Tcl_GetIntFromObj(fTclInterp, fObject, &result)) |
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236 | { |
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237 | message << "parameter '"<< fName << "' is not an integer." << endl; |
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238 | message << fName << " = " << Tcl_GetStringFromObj(fObject, 0); |
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239 | throw runtime_error(message.str()); |
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240 | } |
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241 | return result; |
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242 | } |
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243 | |
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244 | //------------------------------------------------------------------------------ |
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245 | |
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246 | long ExRootConfParam::GetLong(long defaultValue) |
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247 | { |
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248 | stringstream message; |
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249 | long result = defaultValue; |
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250 | if(fObject && TCL_OK != Tcl_GetLongFromObj(fTclInterp, fObject, &result)) |
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251 | { |
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252 | message << "parameter '"<< fName << "' is not an long integer." << endl; |
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253 | message << fName << " = " << Tcl_GetStringFromObj(fObject, 0); |
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254 | throw runtime_error(message.str()); |
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255 | } |
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256 | return result; |
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257 | } |
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258 | |
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259 | //------------------------------------------------------------------------------ |
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260 | |
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261 | double ExRootConfParam::GetDouble(double defaultValue) |
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262 | { |
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263 | stringstream message; |
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264 | double result = defaultValue; |
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265 | if(fObject && TCL_OK != Tcl_GetDoubleFromObj(fTclInterp, fObject, &result)) |
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266 | { |
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267 | message << "parameter '"<< fName << "' is not a number." << endl; |
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268 | message << fName << " = " << Tcl_GetStringFromObj(fObject, 0); |
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269 | throw runtime_error(message.str()); |
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270 | } |
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271 | return result; |
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272 | } |
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273 | |
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274 | //------------------------------------------------------------------------------ |
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275 | |
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276 | bool ExRootConfParam::GetBool(bool defaultValue) |
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277 | { |
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278 | stringstream message; |
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279 | int result = defaultValue; |
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280 | if(fObject && TCL_OK != Tcl_GetBooleanFromObj(fTclInterp, fObject, &result)) |
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281 | { |
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282 | message << "parameter '"<< fName << "' is not a boolean." << endl; |
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283 | message << fName << " = " << Tcl_GetStringFromObj(fObject, 0); |
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284 | throw runtime_error(message.str()); |
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285 | } |
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286 | return result; |
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287 | } |
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288 | |
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289 | //------------------------------------------------------------------------------ |
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290 | |
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291 | const char *ExRootConfParam::GetString(const char *defaultValue) |
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292 | { |
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293 | const char *result = defaultValue; |
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294 | if(fObject) result = Tcl_GetStringFromObj(fObject, 0); |
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295 | return result; |
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296 | } |
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297 | |
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298 | //------------------------------------------------------------------------------ |
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299 | |
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300 | int ExRootConfParam::GetSize() |
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301 | { |
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302 | stringstream message; |
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303 | int length = 0; |
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304 | if(fObject && TCL_OK != Tcl_ListObjLength(fTclInterp, fObject, &length)) |
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305 | { |
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306 | message << "parameter '"<< fName << "' is not a list." << endl; |
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307 | message << fName << " = " << Tcl_GetStringFromObj(fObject, 0); |
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308 | throw runtime_error(message.str()); |
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309 | } |
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310 | return length; |
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311 | } |
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312 | |
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313 | //------------------------------------------------------------------------------ |
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314 | |
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315 | ExRootConfParam ExRootConfParam::operator[](int index) |
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316 | { |
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317 | stringstream message; |
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318 | Tcl_Obj *object = 0; |
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319 | if(fObject && TCL_OK != Tcl_ListObjIndex(fTclInterp, fObject, index, &object)) |
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320 | { |
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321 | message << "parameter '"<< fName << "' is not a list." << endl; |
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322 | message << fName << " = " << Tcl_GetStringFromObj(fObject, 0); |
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323 | throw runtime_error(message.str()); |
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324 | } |
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325 | return ExRootConfParam(fName, object, fTclInterp); |
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326 | } |
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