1 | Unit CmdLineParameterUnit;
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2 |
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3 | // NewView - a new OS/2 Help Viewer
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4 | // Copyright 2006-2009 Ronald Brill (rbri at rbri dot de)
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5 | // This software is released under the GNU Public License - see readme.txt
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6 |
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7 | // Helper functions to address the command line parameters newview
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8 | // is started with
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9 |
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10 | Interface
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11 |
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12 | uses
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13 | Os2Def,
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14 | BseTib,
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15 | BseDos,
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16 | SysUtils,
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17 | Classes,
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18 | PMWIN,
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19 | StringUtilsUnit,
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20 | DebugUnit;
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21 |
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22 | CONST
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23 | ENV_DEBUG = 'NEWVIEW_DEBUG';
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24 |
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25 |
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26 | TYPE EParsingFailed=CLASS(Exception);
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27 |
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28 | TYPE
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29 | TWindowPosition = record
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30 | left: longint;
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31 | bottom: longint;
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32 | width: longint;
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33 | height: longint;
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34 | end;
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35 | TYPE
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36 | TCmdLineParameters = class
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37 | private
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38 | commandLine : AnsiString;
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39 | showUsageFlag : boolean;
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40 | searchFlag : boolean;
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41 | globalSearchFlag : boolean;
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42 | language : string;
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43 | showIndexFlag : boolean;
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44 | helpManagerFlag : boolean;
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45 | helpManagerWindow : HWND;
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46 | windowPositionFlag: boolean;
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47 | windowPosition: TWindowPosition;
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48 | ownerWindow : integer;
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49 | windowTitle : AnsiString;
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50 | parsedFileNames : AnsiString;
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51 | parsedRawFileNames : AnsiString;
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52 | fileNames : AnsiString;
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53 | parsedSearchText : AnsiString;
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54 | searchText : AnsiString;
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55 | debugEnabled : boolean;
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56 | nhmDebugMessages : TStringList; // for better debugging strange situations
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57 |
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58 | FUNCTION handleSwitchWithValue(const aSwitchString : String; const aSwitch : String; var aValue : String) : Boolean;
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59 | PROCEDURE parseSwitch(const aSwitchString : String);
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60 | PROPERTY getParsedFileNames : AnsiString read parsedFileNames;
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61 | PROPERTY getParsedSearchText : AnsiString read parsedSearchText;
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62 |
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63 | public
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64 | PROPERTY isDebugEnabled : boolean read debugEnabled;
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65 | PROPERTY getShowUsageFlag : boolean read showUsageFlag;
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66 | PROPERTY getSearchFlag : boolean read searchFlag;
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67 | PROPERTY getGlobalSearchFlag : boolean read globalSearchFlag;
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68 | PROPERTY getLanguage : string read language;
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69 | PROPERTY getShowIndexFlag : boolean read showIndexFlag;
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70 | PROPERTY getHelpManagerFlag : boolean read helpManagerFlag;
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71 | FUNCTION setHelpManagerFlag(const aNewValue : boolean) : boolean;
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72 | PROPERTY getHelpManagerWindow : HWND read helpManagerWindow;
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73 | PROPERTY getWindowPositionFlag : boolean read windowPositionFlag;
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74 | PROPERTY getWindowPosition : TWindowPosition read windowPosition;
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75 | PROPERTY getOwnerWindow : integer read ownerWindow;
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76 | PROPERTY getWindowTitle : AnsiString read windowTitle;
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77 | PROPERTY getSearchText : AnsiString read searchText;
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78 |
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79 | FUNCTION getFileNames(const aShowNewViewHelpIfNoFileSpecifiedFlag : Boolean) : AnsiString;
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80 |
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81 | PROCEDURE writeDetailsTo(aStrings : TStrings);
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82 | PROCEDURE logDetails;
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83 | PROCEDURE parseCmdLine(const aCmdLineString : AnsiString);
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84 | FUNCTION getOwnHelpFileName: String;
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85 | PROCEDURE addNhmDebugMessage(const aString : String);
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86 | end;
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87 |
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88 |
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89 | // add all file name parts of aFileNameString to the result
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90 | // check for containing environment vars
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91 | // and include all help files if the environment var points
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92 | // to a directory
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93 | PROCEDURE ParseAndExpandFileNames(const aFileNameString: String; aResult: TStrings );
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94 |
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95 |
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96 | // returns a string containing the whole
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97 | // command line parametes
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98 | FUNCTION nativeOS2GetCmdLineParameter : AnsiString;
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99 |
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100 |
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101 | Implementation
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102 | uses
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103 | DOS,
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104 | FileUtilsUnit,
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105 | VersionUnit;
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106 |
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107 | PROCEDURE TCmdLineParameters.writeDetailsTo(aStrings : TStrings);
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108 | var
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109 | tmpWindowPosition : TWindowPosition;
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110 | i : integer;
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111 | begin
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112 | aStrings.Add('---- Version ----');
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113 | aStrings.Add(' ' + GetAppVersion);
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114 | aStrings.Add('');
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115 |
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116 | aStrings.Add('---- Command Line ----');
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117 | aStrings.Add('''' + commandLine + '''');
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118 | aStrings.Add('isDebugEnabled: ' + boolToStr(isDebugEnabled));
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119 |
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120 | aStrings.Add('parsed infos:');
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121 | aStrings.Add(' showUsageFlag: ' + boolToStr(getShowUsageFlag));
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122 | aStrings.Add(' searchFlag: ' + boolToStr(getSearchFlag));
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123 | aStrings.Add(' fileNames(true): ' + getFileNames(true));
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124 | aStrings.Add(' fileNames(false): ' + getFileNames(false));
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125 | aStrings.Add(' parsedFileNames: ' + getParsedFileNames);
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126 | aStrings.Add(' searchText: ' + getSearchText);
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127 | aStrings.Add(' parsedSearchText: ' + getParsedSearchText);
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128 | aStrings.Add(' globalSearchFlag: ' + boolToStr(getGlobalSearchFlag));
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129 | aStrings.Add(' language: ' + getLanguage);
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130 | aStrings.Add(' showIndexFlag: ' + boolToStr(getShowIndexFlag));
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131 | aStrings.Add(' helpManagerFlag: ' + boolToStr(getHelpManagerFlag));
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132 | aStrings.Add(' helpManagerWindow: ' + LongWordToStr(getHelpManagerWindow));
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133 | aStrings.Add(' windowPositionFlag: ' + boolToStr(getWindowPositionFlag));
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134 |
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135 | tmpWindowPosition := getWindowPosition;
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136 | aStrings.Add(' windowPosition: '
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137 | + intToStr(tmpWindowPosition.left) + ', '
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138 | + intToStr(tmpWindowPosition.bottom) + ', '
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139 | + intToStr(tmpWindowPosition.width) + ', '
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140 | + intToStr(tmpWindowPosition.height)
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141 | );
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142 | aStrings.Add(' ownerWindow: ' + intToStr(getOwnerWindow));
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143 | aStrings.Add(' windowTitle: ' + getWindowTitle);
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144 |
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145 | if nil <> nhmDebugMessages then
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146 | begin
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147 | aStrings.Add('');
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148 | aStrings.Add('---- NHM DebugMessages ----');
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149 | for i := 0 to nhmDebugMessages.count-1 do
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150 | begin
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151 | aStrings.Add(' ' + nhmDebugMessages[i]);
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152 | end;
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153 | end;
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154 |
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155 | end;
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156 |
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157 |
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158 | PROCEDURE TCmdLineParameters.LogDetails;
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159 | var
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160 | tmpWindowPosition : TWindowPosition;
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161 | i : integer;
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162 | begin
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163 | LogEvent(LogStartup, '''' + commandLine + '''');
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164 | LogEvent(LogStartup, 'isDebugEnabled: ' + boolToStr(isDebugEnabled));
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165 | LogEvent(LogStartup, 'parsed infos:');
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166 |
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167 | LogEvent(LogStartup, ' showUsageFlag: ' + boolToStr(getShowUsageFlag));
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168 | LogEvent(LogStartup, ' searchFlag: ' + boolToStr(getSearchFlag));
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169 | LogEvent(LogStartup, ' fileNames(true): ' + getFileNames(true));
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170 | LogEvent(LogStartup, ' fileNames(false): ' + getFileNames(false));
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171 | LogEvent(LogStartup, ' parsedFileNames: ' + getParsedFileNames);
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172 | LogEvent(LogStartup, ' searchText: ' + getSearchText);
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173 | LogEvent(LogStartup, ' parsedSearchText: ' + getParsedSearchText);
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174 | LogEvent(LogStartup, ' globalSearchFlag: ' + boolToStr(getGlobalSearchFlag));
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175 | LogEvent(LogStartup, ' language: ' + getLanguage);
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176 | LogEvent(LogStartup, ' showIndexFlag: ' + boolToStr(getShowIndexFlag));
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177 | LogEvent(LogStartup, ' helpManagerFlag: ' + boolToStr(getHelpManagerFlag));
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178 | LogEvent(LogStartup, ' helpManagerWindow: ' + LongWordToStr(getHelpManagerWindow));
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179 | LogEvent(LogStartup, ' windowPositionFlag: ' + boolToStr(getWindowPositionFlag));
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180 |
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181 | tmpWindowPosition := getWindowPosition;
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182 | LogEvent(LogStartup, ' windowPosition: '
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183 | + intToStr(tmpWindowPosition.left) + ', '
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184 | + intToStr(tmpWindowPosition.bottom) + ', '
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185 | + intToStr(tmpWindowPosition.width) + ', '
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186 | + intToStr(tmpWindowPosition.height)
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187 | );
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188 | LogEvent(LogStartup, ' ownerWindow: ' + intToStr(getOwnerWindow));
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189 | LogEvent(LogStartup, ' windowTitle: ' + getWindowTitle);
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190 |
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191 | if nil <> nhmDebugMessages then
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192 | begin
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193 | LogEvent(LogStartup, '');
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194 | LogEvent(LogStartup, '---- NHM DebugMessages ----');
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195 | for i := 0 to nhmDebugMessages.count-1 do
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196 | begin
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197 | LogEvent(LogStartup, ' ' + nhmDebugMessages[i]);
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198 | end;
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199 | end;
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200 |
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201 | end;
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202 |
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203 |
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204 | Function TCmdLineParameters.setHelpManagerFlag(const aNewValue : boolean) : boolean;
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205 | begin
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206 | helpManagerFlag := aNewValue;
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207 | result := helpManagerFlag;
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208 | end;
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209 |
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210 |
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211 | Procedure TCmdLineParameters.parseCmdLine(const aCmdLineString : AnsiString);
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212 | var
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213 | tmpState : (WHITESPACE, QUOTE, SWITCH, FILENAME, TEXT);
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214 | tmpCurrentParsePosition : integer;
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215 | tmpQuoted : boolean;
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216 | tmpCurrentChar : char;
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217 | tmpWhitespace : AnsiString;
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218 | tmpQuote : AnsiString;
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219 | tmpSwitch : AnsiString;
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220 | tmpEnvDebug : String;
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221 | begin
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222 | // first adjust logging
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223 | debugEnabled := false;
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224 | tmpEnvDebug := GetEnv(ENV_DEBUG);
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225 |
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226 | if tmpEnvDebug <> '' then
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227 | begin
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228 | debugEnabled := true;
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229 | SetLogAspects(tmpEnvDebug);
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230 | end;
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231 |
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232 | LogEvent(LogStartup, 'ParseCommandLine: "' + aCmdLineString + '"');
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233 |
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234 | // store the original string for debugging
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235 | commandLine := aCmdLineString;
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236 |
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237 | // reset the whole object
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238 | showUsageFlag := false;
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239 | searchFlag := false;
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240 | globalSearchFlag := false;
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241 | language := '';
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242 | showIndexFlag := false;
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243 | helpManagerFlag := false;
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244 | helpManagerWindow := 0;
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245 | windowPositionFlag := false;
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246 | ownerWindow := 0;
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247 | windowTitle := '';
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248 | parsedSearchText := '';
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249 | parsedFileNames := '';
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250 | parsedRawFileNames := '';
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251 |
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252 | try
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253 | // start parsing
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254 | tmpState := WHITESPACE;
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255 | tmpWhitespace := '';
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256 | tmpSwitch := '';
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257 | tmpQuote := '';
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258 | tmpQuoted := false;
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259 | tmpCurrentParsePosition := 1;
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260 | while tmpCurrentParsePosition <= length(aCmdLineString) do
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261 | begin
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262 | tmpCurrentChar := aCmdLineString[tmpCurrentParsePosition];
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263 |
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264 | Case tmpCurrentChar of
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265 | ' ' :
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266 | begin
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267 | Case tmpState of
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268 |
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269 | WHITESPACE :
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270 | begin
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271 | tmpWhitespace := tmpWhitespace + tmpCurrentChar;
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272 | end;
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273 |
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274 | QUOTE :
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275 | begin
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276 | tmpQuote := tmpQuote + tmpCurrentChar;
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277 | end;
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278 |
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279 | SWITCH :
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280 | begin
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281 | if tmpQuoted then
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282 | begin
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283 | tmpSwitch := tmpSwitch + tmpCurrentChar;
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284 | end
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285 | else
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286 | begin
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287 | parseSwitch(tmpSwitch);
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288 | tmpState := WHITESPACE;
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289 | tmpWhitespace := tmpCurrentChar;
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290 | end
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291 | end;
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292 |
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293 | FILENAME :
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294 | begin
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295 | if tmpQuoted then
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296 | begin
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297 | parsedFileNames := parsedFileNames + tmpCurrentChar;
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298 | parsedRawFileNames := parsedRawFileNames + tmpCurrentChar;
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299 | end
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300 | else
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301 | begin
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302 | tmpState := WHITESPACE;
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303 | tmpWhitespace := tmpCurrentChar;
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304 | end
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305 | end;
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306 |
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307 | TEXT :
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308 | begin
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309 | if tmpQuoted then
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310 | begin
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311 | parsedSearchText := parsedSearchText + tmpCurrentChar;
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312 | end
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313 | else
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314 | begin
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315 | tmpState := WHITESPACE;
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316 | tmpWhitespace := tmpCurrentChar;
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317 | end
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318 | end;
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319 | end;
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320 | end;
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321 |
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322 | '/', '-' :
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323 | begin
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324 | Case tmpState of
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325 | WHITESPACE :
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326 | begin
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327 | tmpState := SWITCH;
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328 | tmpSwitch := '';
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329 | end;
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330 |
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331 | QUOTE :
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332 | begin
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333 | tmpState := SWITCH;
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334 | tmpSwitch := '';
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335 | end;
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336 |
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337 | SWITCH :
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338 | begin
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339 | parseSwitch(tmpSwitch);
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340 | tmpSwitch := '';
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341 | end;
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342 |
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343 | FILENAME :
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344 | begin
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345 | parsedFileNames := parsedFileNames + tmpCurrentChar;
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346 | parsedRawFileNames := parsedRawFileNames + tmpCurrentChar;
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347 | end;
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348 |
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349 | TEXT :
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350 | begin
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351 | parsedSearchText := parsedSearchText + tmpCurrentChar;
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352 | end;
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353 | end;
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354 | end;
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355 |
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356 | '"' :
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357 | begin
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358 | if tmpQuoted then
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359 | begin
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360 | tmpQuoted := false;
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361 | Case tmpState of
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362 | FILENAME :
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363 | begin
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364 | parsedRawFileNames := parsedRawFileNames + tmpCurrentChar;
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365 | end;
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366 | TEXT :
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367 | begin
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368 | parsedSearchText := parsedSearchText + tmpCurrentChar;
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369 | end;
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370 | end;
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371 | end
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372 | else
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373 | begin
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374 | tmpQuoted := true;
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375 | Case tmpState of
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376 | WHITESPACE :
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377 | begin
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378 | tmpState := QUOTE;
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379 | tmpQuote := tmpCurrentChar;
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380 | end;
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381 | FILENAME :
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382 | begin
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383 | parsedRawFileNames := parsedRawFileNames + tmpCurrentChar;
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384 | end;
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385 | end;
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386 | end;
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387 | end;
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388 |
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389 | // any other char
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390 | else
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391 | begin
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392 | Case tmpState of
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393 |
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394 | WHITESPACE :
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395 | begin
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396 | if length(parsedFileNames) > 0 then
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397 | begin
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398 | tmpState := TEXT;
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399 | parsedSearchText := parsedSearchText + tmpWhitespace + tmpCurrentChar;
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400 | end
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401 | else
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402 | begin
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403 | tmpState := FILENAME;
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404 | parsedFileNames := parsedFileNames + tmpCurrentChar;
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405 | parsedRawFileNames := parsedRawFileNames + tmpCurrentChar;
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406 | end;
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407 | end;
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408 |
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409 | QUOTE :
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410 | begin
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411 | if length(parsedFileNames) > 0 then
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412 | begin
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413 | tmpState := TEXT;
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414 | parsedSearchText := parsedSearchText + tmpQuote + tmpCurrentChar;
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415 | end
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416 | else
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417 | begin
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418 | tmpState := FILENAME;
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419 | parsedFileNames := parsedFileNames + tmpCurrentChar;
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420 | parsedRawFileNames := parsedRawFileNames + tmpQuote + tmpCurrentChar;
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421 | end;
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422 | end;
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423 |
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424 | SWITCH :
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425 | begin
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426 | tmpSwitch := tmpSwitch + tmpCurrentChar;
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427 | end;
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428 |
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429 | FILENAME :
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430 | begin
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431 | parsedFileNames := parsedFileNames + tmpCurrentChar;
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432 | parsedRawFileNames := parsedRawFileNames + tmpCurrentChar;
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433 | end;
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434 |
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435 | TEXT :
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436 | begin
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437 | parsedSearchText := parsedSearchText + tmpCurrentChar;
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438 | end;
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439 | end;
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440 | end;
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441 | end;
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442 | inc(tmpCurrentParsePosition);
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443 | end;
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444 |
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445 | // ok all chars are processed, but maybe we have something to do
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446 | Case tmpState of
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447 | SWITCH :
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448 | begin
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449 | parseSwitch(tmpSwitch);
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450 | end;
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451 | end;
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452 | except
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453 | on e:EParsingFailed do
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454 | begin
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455 | showUsageFlag := true;
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456 | end;
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457 | end;
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458 |
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459 | // remove blanks
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460 | fileNames := AnsiStrTrim(getParsedFileNames);
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461 | searchText := AnsiStrTrim(getParsedSearchText);
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462 |
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463 | if getGlobalSearchFlag
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464 | AND (getParsedSearchText = '')
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465 | then
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466 | begin
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467 | fileNames := '';
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468 | searchText := parsedRawFileNames;
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469 | end;
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470 |
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471 | // to be compatible with the old one we have to ignore
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472 | // the quotes
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473 | if not getGlobalSearchFlag
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474 | AND (not getSearchFlag)
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475 | then
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476 | begin
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477 | searchText := AnsiStrTrimChars(searchText, ['"']);
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478 | end;
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479 |
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480 | LogEvent(LogStartup, 'Parameters parsed');
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481 | LogDetails;
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482 | end;
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483 |
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484 |
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485 | Function TCmdLineParameters.handleSwitchWithValue(const aSwitchString : String; const aSwitch : String; var aValue : String) : Boolean;
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486 | var
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487 | tmpText : String;
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488 | tmpValueStartPos : integer;
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489 | tmpSwitchLength : integer;
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490 | begin
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491 | tmpSwitchLength := Length(aSwitch);
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492 | tmpText := copy(aSwitchString, 1, tmpSwitchLength);
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493 | tmpText := lowercase(tmpText);
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494 |
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495 | if (lowercase(aSwitch) = tmpText) then
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496 | begin
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497 | tmpValueStartPos := tmpSwitchLength;
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498 | inc(tmpValueStartPos);
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499 | if aSwitchString[tmpValueStartPos] = ':' then
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500 | begin
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501 | inc(tmpValueStartPos);
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502 | end;
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503 |
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504 | aValue := copy(aSwitchString, tmpValueStartPos, Length(aSwitchString) - tmpValueStartPos+ 1);
|
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505 | result := true;
|
---|
506 | exit;
|
---|
507 | end;
|
---|
508 | result := false;
|
---|
509 | end;
|
---|
510 |
|
---|
511 |
|
---|
512 | Function ParseWindowPositionPart(const aPart: String; const aScreenDimension: longint): longint;
|
---|
513 | Var
|
---|
514 | tmpPart : String;
|
---|
515 | Begin
|
---|
516 | if aPart = '' then
|
---|
517 | raise EParsingFailed.Create('Missing position element');
|
---|
518 |
|
---|
519 | if StrEndsWithIgnoringCase(aPart, 'P') then
|
---|
520 | begin
|
---|
521 | tmpPart := copy(aPart, 1, length(aPart)-1);
|
---|
522 | if tmpPart = '' then
|
---|
523 | raise EParsingFailed.Create('Missing position element');
|
---|
524 |
|
---|
525 | Result := StrToInt(tmpPart);
|
---|
526 | if Result < 0 then
|
---|
527 | Result := 0;
|
---|
528 | if Result > 100 then
|
---|
529 | Result := 100;
|
---|
530 | Result := Round(Result / 100 * aScreenDimension);
|
---|
531 | end
|
---|
532 | else
|
---|
533 | begin
|
---|
534 | Result := StrToInt(aPart);
|
---|
535 | end;
|
---|
536 | end;
|
---|
537 |
|
---|
538 | Function ParseWindowPosition(const aParamValue: String): TWindowPosition;
|
---|
539 | Var
|
---|
540 | tmpParts : TStringList;
|
---|
541 | tmpScreenWidth : longint;
|
---|
542 | tmpScreenHeight : longint;
|
---|
543 | Begin
|
---|
544 | tmpParts := TStringList.Create;
|
---|
545 | StrExtractStrings(tmpParts, aParamValue, [','], '\');
|
---|
546 |
|
---|
547 | tmpScreenWidth := WinQuerySysValue(HWND_DESKTOP, SV_CXSCREEN);
|
---|
548 | tmpScreenHeight := WinQuerySysValue(HWND_DESKTOP, SV_CYSCREEN);
|
---|
549 |
|
---|
550 | result.Left := ParseWindowPositionPart(tmpParts[0], tmpScreenWidth);
|
---|
551 | result.Bottom := ParseWindowPositionPart(tmpParts[1], tmpScreenHeight);
|
---|
552 |
|
---|
553 | result.Width := ParseWindowPositionPart(tmpParts[2], tmpScreenWidth);
|
---|
554 | if result.Width < 50 then
|
---|
555 | result.Width := 50;
|
---|
556 |
|
---|
557 | result.Height := ParseWindowPositionPart(tmpParts[3], tmpScreenHeight);
|
---|
558 | if result.Height < 50 then
|
---|
559 | result.Height := 50;
|
---|
560 |
|
---|
561 | tmpParts.Destroy;
|
---|
562 | end;
|
---|
563 |
|
---|
564 |
|
---|
565 | Procedure TCmdLineParameters.parseSwitch(const aSwitchString : String);
|
---|
566 | var
|
---|
567 | tmpCurrentChar : char;
|
---|
568 | tmpValue : String;
|
---|
569 | begin
|
---|
570 | // lang
|
---|
571 | if handleSwitchWithValue(aSwitchString, 'lang', tmpValue) then
|
---|
572 | begin
|
---|
573 | language := tmpValue;
|
---|
574 | exit;
|
---|
575 | end;
|
---|
576 |
|
---|
577 | // title
|
---|
578 | if handleSwitchWithValue(aSwitchString, 'title', tmpValue) then
|
---|
579 | begin
|
---|
580 | windowTitle := tmpValue;
|
---|
581 | exit;
|
---|
582 | end;
|
---|
583 |
|
---|
584 | // HM
|
---|
585 | if handleSwitchWithValue(aSwitchString, 'hm', tmpValue) then
|
---|
586 | begin
|
---|
587 | try
|
---|
588 | helpManagerWindow := StrToInt(tmpValue);
|
---|
589 | helpManagerFlag := true;
|
---|
590 | except
|
---|
591 | on e:Exception do
|
---|
592 | begin
|
---|
593 | showUsageFlag := true;
|
---|
594 | end;
|
---|
595 | end;
|
---|
596 | exit;
|
---|
597 | end;
|
---|
598 |
|
---|
599 | // owner
|
---|
600 | if handleSwitchWithValue(aSwitchString, 'owner', tmpValue) then
|
---|
601 | begin
|
---|
602 | try
|
---|
603 | ownerWindow := StrToInt(tmpValue);
|
---|
604 | except
|
---|
605 | on e:Exception do
|
---|
606 | begin
|
---|
607 | showUsageFlag := true;
|
---|
608 | end;
|
---|
609 | end;
|
---|
610 | exit;
|
---|
611 | end;
|
---|
612 |
|
---|
613 | // pos
|
---|
614 | if handleSwitchWithValue(aSwitchString, 'pos', tmpValue) then
|
---|
615 | begin
|
---|
616 | windowPosition := ParseWindowPosition(tmpValue);
|
---|
617 | windowPositionFlag := true;
|
---|
618 | exit;
|
---|
619 | end;
|
---|
620 |
|
---|
621 | // check the next char
|
---|
622 | // TODO check for other invalid chars
|
---|
623 | tmpCurrentChar := aSwitchString[1];
|
---|
624 | Case tmpCurrentChar of
|
---|
625 | 'h', 'H', '?' :
|
---|
626 | begin
|
---|
627 | showUsageFlag := true;
|
---|
628 | end;
|
---|
629 |
|
---|
630 | 's', 'S' :
|
---|
631 | begin
|
---|
632 | searchFlag := true;
|
---|
633 | end;
|
---|
634 |
|
---|
635 | 'i', 'I' :
|
---|
636 | begin
|
---|
637 | showIndexFlag := true;
|
---|
638 | end;
|
---|
639 |
|
---|
640 | 'g', 'G' :
|
---|
641 | begin
|
---|
642 | globalSearchFlag := true;
|
---|
643 | end;
|
---|
644 |
|
---|
645 | else
|
---|
646 | begin
|
---|
647 | raise EParsingFailed.Create('Unsupported switch');
|
---|
648 | end;
|
---|
649 | end;
|
---|
650 | end;
|
---|
651 |
|
---|
652 |
|
---|
653 | FUNCTION TCmdLineParameters.getFileNames(const aShowNewViewHelpIfNoFileSpecifiedFlag : Boolean) : AnsiString;
|
---|
654 | var
|
---|
655 | tmpOwnHelpFileName : String;
|
---|
656 | begin
|
---|
657 | // user hasn't requested any particular file
|
---|
658 | // at startup, so if the option is set,
|
---|
659 | // load the NewView help file
|
---|
660 | if aShowNewViewHelpIfNoFileSpecifiedFlag
|
---|
661 | AND (fileNames = '')
|
---|
662 | AND not getGlobalSearchFlag then
|
---|
663 | begin
|
---|
664 | tmpOwnHelpFileName := getOwnHelpFileName;
|
---|
665 | if FileExists(tmpOwnHelpFileName) then
|
---|
666 | begin
|
---|
667 | result := tmpOwnHelpFileName;
|
---|
668 | end;
|
---|
669 | end
|
---|
670 | else
|
---|
671 | begin
|
---|
672 | result := fileNames;
|
---|
673 | end;
|
---|
674 | end;
|
---|
675 |
|
---|
676 |
|
---|
677 | FUNCTION TCmdLineParameters.getOwnHelpFileName: String;
|
---|
678 | var
|
---|
679 | tmpLanguage : String;
|
---|
680 | begin
|
---|
681 | tmpLanguage := getLanguage;
|
---|
682 | if tmpLanguage = '' then
|
---|
683 | begin
|
---|
684 | tmpLanguage := GetEnv(LanguageEnvironmentVar)
|
---|
685 | end;
|
---|
686 |
|
---|
687 | result := FindDefaultLanguageHelpFile('NewView', tmpLanguage);
|
---|
688 | end;
|
---|
689 |
|
---|
690 |
|
---|
691 | PROCEDURE TCmdLineParameters.addNhmDebugMessage(const aString : String);
|
---|
692 | begin
|
---|
693 | if nil = nhmDebugMessages then
|
---|
694 | begin
|
---|
695 | nhmDebugMessages := TStringList.Create;
|
---|
696 | end;
|
---|
697 |
|
---|
698 | nhmDebugMessages.add(aString);
|
---|
699 | end;
|
---|
700 |
|
---|
701 |
|
---|
702 | PROCEDURE ParseAndExpandFileNames(const aFileNameString : String; aResult: TStrings);
|
---|
703 | var
|
---|
704 | i : longint;
|
---|
705 | tmpFileNamesList: TStringList;
|
---|
706 | tmpItem: String;
|
---|
707 | tmpEnvironmentVarValue: string;
|
---|
708 | begin
|
---|
709 | LogEvent(LogDebug, 'ParseAndExpandFileNames "' + aFileNameString + '"');
|
---|
710 |
|
---|
711 | tmpFileNamesList := TStringList.Create;
|
---|
712 |
|
---|
713 | StrExtractStrings(tmpFileNamesList, aFileNameString, [HELP_FILE_DELIMITER, PATH_SEPARATOR], #0);
|
---|
714 | for i := 0 to tmpFileNamesList.Count - 1 do
|
---|
715 | begin
|
---|
716 | tmpItem := tmpFileNamesList[i];
|
---|
717 |
|
---|
718 | // is this a environment var
|
---|
719 | tmpEnvironmentVarValue := GetEnv(tmpItem);
|
---|
720 | if DosError = 0 then
|
---|
721 | begin
|
---|
722 | // environment var exists
|
---|
723 | LogEvent(LogStartup, ' Environment var found; translated to: "' + tmpEnvironmentVarValue + '"');
|
---|
724 | ParseAndExpandFileNames(tmpEnvironmentVarValue, aResult);
|
---|
725 | end
|
---|
726 | else if DirectoryExists(tmpItem) then
|
---|
727 | begin
|
---|
728 | ListFilesInDirectory(tmpItem, '*' + HELP_FILE_EXTENSION, true, aResult);
|
---|
729 | end
|
---|
730 | else
|
---|
731 | begin
|
---|
732 | aResult.Add(tmpItem);
|
---|
733 | end;
|
---|
734 | end;
|
---|
735 |
|
---|
736 | tmpFileNamesList.Destroy;
|
---|
737 | end;
|
---|
738 |
|
---|
739 |
|
---|
740 | FUNCTION nativeOS2GetCmdLineParameter : AnsiString;
|
---|
741 | VAR
|
---|
742 | tmpPtib : PTIB; // thread information block
|
---|
743 | tmpPpib : PPIB; // process information block
|
---|
744 | tmpCmd : PCHAR;
|
---|
745 | tmpParams : PCHAR;
|
---|
746 |
|
---|
747 | BEGIN
|
---|
748 | // ask the system
|
---|
749 | DosGetInfoBlocks(tmpPtib, tmpPpib);
|
---|
750 | tmpCmd := tmpPpib^.pib_pchcmd;
|
---|
751 | // the fist element (null terminated) is the
|
---|
752 | // called command itself
|
---|
753 | // skip to the next null terminated string
|
---|
754 | // these are the parameters
|
---|
755 | tmpParams := tmpCmd + StrLen(tmpCmd) + 1;
|
---|
756 |
|
---|
757 | result := '';
|
---|
758 | AnsiSetString(result, tmpParams, StrLen(tmpParams));
|
---|
759 | END;
|
---|
760 |
|
---|
761 |
|
---|
762 | END.
|
---|