1 | #include "unInstall.h"
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2 |
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3 | #include <stdio.h>
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4 | #include <stdarg.h>
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5 | #include "File.h"
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6 |
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7 | bool installManager::logExists()
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8 | {
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9 | HANDLE fHandle;
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10 |
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11 | fHandle = CreateFile(this->logfileName.c_str(), GENERIC_READ | GENERIC_WRITE,
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12 | FILE_SHARE_WRITE, NULL, OPEN_EXISTING,
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13 | FILE_ATTRIBUTE_NORMAL, NULL);
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14 | if (fHandle == INVALID_HANDLE_VALUE)
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15 | { return false;
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16 | }
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17 | CloseHandle(fHandle);
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18 | return true;
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19 | }
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20 |
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21 | bool installManager::ensureLog()
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22 | {
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23 | if (this->logExists() == false)
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24 | { HANDLE fHandle;
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25 |
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26 | unInstallCommand command("InstallRoot");
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27 | // Get the parent directory of the log file, and store it as the root
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28 | FilePath p(this->logfileName);
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29 | FilePath *parent = p.parent();
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30 | command.addParameter(parent->pathString());
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31 | delete parent;
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32 |
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33 | if (this->modules["default"].begin()->command != "InstallRoot")
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34 | { this->modules["default"].insert(this->modules["default"].begin(), command);
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35 | }
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36 | fHandle = CreateFile(this->logfileName.c_str(), GENERIC_READ | GENERIC_WRITE,
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37 | FILE_SHARE_WRITE, NULL, CREATE_NEW,
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38 | FILE_ATTRIBUTE_NORMAL, NULL);
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39 | if (fHandle != INVALID_HANDLE_VALUE)
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40 | {
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41 | CloseHandle(fHandle);
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42 | return true;
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43 | }
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44 | return false;
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45 | }
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46 | else
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47 | { if (this->modules["default"].begin()->command == "InstallRoot")
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48 | { this->logfileName = this->modules["default"].begin()->parameters[0];
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49 | }
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50 | }
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51 | return true;
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52 | }
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53 |
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54 | bool installManager::setLogFile(string filename)
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55 | { this->logfileName = filename;
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56 | this->setModule("default");
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57 | return true;
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58 | }
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59 |
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60 | bool installManager::readLog()
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61 | { string command;
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62 | stringArray params;
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63 |
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64 | // don't try to open an non-existing log; this has serious
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65 | // repercussions with bad old VC++
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66 | if (!this->logExists())
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67 | { this->setModule("default");
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68 | this->changed = false;
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69 | return true;
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70 | }
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71 |
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72 | // open the log file
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73 | this->logfile.open(this->logfileName.c_str(), ios::in);
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74 | #ifndef __BORLANDC__
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75 | if (this->logfile.is_open())
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76 | #else
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77 | if (this->logfile.rdbuf()->is_open())
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78 | #endif
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79 | {
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80 | // Get the commands into this object from the existing log file
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81 | while ((command = this->readCommand(params)) != "")
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82 | { if (command[0] == '[' && command[command.length()-1] == ']')
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83 | { this->setModule(command.substr(1, command.length() - 2));
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84 | }
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85 | else
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86 | { unInstallCommand action(command, params);
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87 |
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88 | this->storeCommand(action);
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89 | }
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90 | }
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91 |
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92 | // close the logfile
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93 | this->logfile.close();
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94 |
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95 | // and clear the status bits, 'cos VC++ doesn't clear them when
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96 | // we reopen the file later.
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97 | this->logfile.clear();
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98 | }
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99 | this->changed = false;
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100 |
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101 | // set to the default module
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102 | this->setModule("default");
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103 | return true;
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104 | }
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105 |
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106 | void installManager::setModule(string moduleName)
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107 | { this->currentModule = moduleName;
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108 | }
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109 |
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110 | bool installManager::storeCommand(unInstallCommand &command)
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111 | {
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112 | this->modules[this->currentModule].push_back(command);
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113 |
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114 | this->changed = true; // set the "changed" flag
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115 | return true;
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116 | }
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117 |
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118 | bool installManager::writeCommand(unInstallCommand &command)
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119 | { if (!this->writeString(command.command))
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120 | { return false;
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121 | }
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122 | for (unsigned int p = 0; p < command.parameters.size(); p ++)
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123 | { if (!this->writeSeparator())
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124 | { return false;
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125 | }
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126 | if (!this->writeString(command.parameters[p]))
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127 | { return false;
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128 | }
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129 | }
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130 | if (!this->writeString("\n"))
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131 | { return false;
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132 | }
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133 | return true;
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134 | }
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135 |
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136 | bool installManager::writeString(char *buffer)
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137 | { string s(buffer);
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138 | return this->writeString(s);
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139 | }
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140 |
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141 | bool installManager::writeString(string str)
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142 | { bool quote;
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143 |
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144 | // TODO: check for space characters in str and quote if necessary
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145 | quote = str.find_first_of(' ') < str.length();
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146 |
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147 | if (quote)
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148 | { this->logfile << "\"";
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149 | }
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150 | this->logfile << str;
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151 | if (quote)
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152 | { this->logfile << "\"";
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153 | }
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154 | return true;
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155 | }
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156 |
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157 | bool installManager::writeSeparator()
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158 | { this->logfile << " ";
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159 | return true;
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160 | }
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161 |
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162 | string installManager::readString()
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163 | { string reply = "";
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164 | char c;
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165 |
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166 | if (this->logfile.eof())
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167 | { return reply;
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168 | }
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169 |
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170 | this->logfile >> c;
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171 | while (c <= ' ' && !this->logfile.eof())
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172 | { this->logfile.get();
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173 | }
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174 |
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175 | if (this->logfile.eof())
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176 | { return reply;
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177 | }
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178 |
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179 | if (c == '\"')
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180 | { do
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181 | { c = this->logfile.get();
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182 | if (c != '\"')
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183 | { reply += c;
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184 | }
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185 | }
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186 | while (c != '\"' && !this->logfile.eof());
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187 | }
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188 | else
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189 | { while (c > ' ')
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190 | { reply += c;
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191 | if (this->logfile.eof())
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192 | { break;
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193 | }
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194 | c = this->logfile.get();
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195 | }
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196 | if (!this->logfile.eof())
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197 | { this->logfile.putback(c);
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198 | }
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199 | //this->logfile >> reply;
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200 | }
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201 | return reply;
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202 | }
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203 |
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204 | string installManager::readCommand(stringArray &array)
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205 | { string reply = "";
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206 | char c;
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207 |
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208 | array.clear();
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209 |
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210 | if (this->logfile.eof())
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211 | { return reply;
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212 | }
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213 |
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214 | reply = this->readString();
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215 | if (reply == "")
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216 | { return reply;
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217 | }
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218 |
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219 | while(!this->logfile.eof() &&
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220 | (c = this->logfile.get()) != '\n')
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221 | { this->logfile.putback(c);
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222 | array.add(this->readString());
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223 | }
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224 | if (!this->logfile.eof())
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225 | { this->logfile.putback(c);
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226 | }
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227 |
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228 | return reply;
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229 | }
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230 |
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231 | string installManager::popCommand(stringArray &array)
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232 | { string command;
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233 |
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234 | if (this->modules[this->currentModule].size() == 0)
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235 | { command = "";
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236 | }
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237 | else
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238 | { unsigned int last;
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239 |
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240 | last = this->modules[this->currentModule].size() - 1;
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241 | command = this->modules[this->currentModule][last].commandName();
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242 | array = this->modules[this->currentModule][last].parameterList();
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243 | this->modules[this->currentModule].erase(this->modules[this->currentModule].begin() + last);
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244 | }
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245 | return command;
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246 | }
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247 | void installManager::abortLog()
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248 | { this->changed = false;
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249 | }
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250 | bool installManager::recordLog()
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251 | { // just return if there are no changes to record
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252 | if (this->changed == false)
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253 | { return true;
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254 | }
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255 |
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256 | // if the file didn't open, then this is almost certainly being compiled
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257 | // with Microsoft Visual C++ which has a library which fails to open the
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258 | // file if it doesn't already exist. Do a createfile and hope for success.
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259 | // TODO: add proper error handling here
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260 | this->ensureLog();
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261 | this->logfile.open(this->logfileName.c_str(), ios::out);
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262 | #ifndef __BORLANDC__
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263 | if (!this->logfile.is_open())
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264 | #else
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265 | if (!this->logfile.rdbuf()->is_open())
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266 | #endif
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267 | { MessageBox(0, "Unable to open log file", this->logfileName.c_str(), MB_OK);
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268 | }
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269 |
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270 | unInstallCommandMap::iterator here = this->modules.begin();
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271 | unInstallCommandMap::iterator end = this->modules.end();
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272 |
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273 | while (here != end)
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274 | {
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275 | this->writeString("[" + (*here).first + "]\n");
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276 |
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277 | unInstallCommandList::iterator ahere = (*here).second.begin();
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278 | unInstallCommandList::iterator aend = (*here).second.end();
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279 |
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280 | while (ahere != aend)
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281 | { this->writeCommand(*ahere);
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282 | ahere ++;
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283 | }
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284 | here ++;
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285 | }
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286 | this->logfile.close();
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287 |
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288 | this->changed = false;
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289 |
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290 | return true;
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291 | }
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292 |
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293 | bool installManager::isEmpty()
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294 | { unInstallCommandMap::iterator here = this->modules.begin();
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295 | unInstallCommandMap::iterator end = this->modules.end();
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296 |
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297 | while (here != end)
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298 | { this->writeString("[" + (*here).first + "]\n");
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299 |
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300 | unInstallCommandList::iterator ahere = (*here).second.begin();
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301 | unInstallCommandList::iterator aend = (*here).second.end();
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302 | if (ahere != aend)
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303 | { return false;
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304 | }
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305 | here ++;
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306 | }
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307 | return true;
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308 | }
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309 |
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310 | string installManager::installRoot()
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311 | { if (this->modules["default"].begin()->command != "InstallRoot")
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312 | return "";
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313 | return this->modules["default"].begin()->parameters[0];
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314 | }
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315 |
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316 | installManager::~installManager()
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317 | { this->recordLog();
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318 | }
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