1 | unit _DataTypes;
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2 |
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3 | interface
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4 |
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5 | uses
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6 | Classes, _TreeElement;
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7 |
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8 | type
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9 | TDataField = class(TTreeElement)
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10 | function GetChildCount: Integer; override;
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11 | function GetChild(ID: Integer): TTreeElement; override;
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12 | function GetCaption: String; override;
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13 | protected
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14 | FOffset: Integer;
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15 | FName: String;
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16 | FDescription: String;
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17 | FDataLength: Integer;
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18 | FParentFile: TObject;
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19 | FParentField: TDataField;
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20 | FChanged: Boolean;
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21 | function GetValueAsString: String; virtual; abstract;
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22 | public
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23 | constructor Create(ParentFile: TObject; ParentField: TDataField;
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24 | Offset: Integer; Name, Description: String; ExtraArgs: Pointer); virtual;
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25 |
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26 | procedure Update(Offset, Length: Integer); virtual; abstract;
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27 |
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28 | property Offset: Integer read FOffset;
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29 | property Name: String read FName;
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30 | property Description: String read FDescription;
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31 | property DataLength: Integer read FDataLength;
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32 | property ValueAsString: String read GetValueAsString;
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33 | end;
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34 |
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35 | TFieldType = class of TDataField;
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36 |
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37 |
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38 | TBlock = class(TDataField)
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39 | private
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40 | FDataFields: array of TDataField;
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41 | FBlockLength: Integer;
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42 | function GetChildCount: Integer; override;
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43 | function GetChild(ID: Integer): TTreeElement; override;
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44 | function GetFieldByOffset(Offset: Integer): TDataField;
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45 | public
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46 | // ExtraArgs: Pointer auf Integer: BlockLength
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47 | constructor Create(ParentFile: TObject; ParentField: TDataField;
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48 | Offset: Integer; Name, Description: String; ExtraArgs: Pointer); override;
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49 | procedure Update(Offset, Length: Integer); override;
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50 | property FieldByOffset[Offset: Integer]: TDataField read GetFieldByOffset;
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51 |
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52 | function AddField(fieldtype: TFieldType; Offset: Integer;
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53 | Name, Description: String; ExtraArgs: Pointer): TDataField;
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54 | end;
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55 |
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56 |
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57 | TInt = class(TDataField)
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58 | private
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59 | FInt: Integer;
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60 | function GetValueAsString: String; override;
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61 | public
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62 | // ExtraArgs: Pointer auf Integer: Bytes of TInt
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63 | constructor Create(ParentFile: TObject; ParentField: TDataField;
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64 | Offset: Integer; Name, Description: String; ExtraArgs: Pointer); override;
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65 | procedure Update(Offset, Length: Integer); override;
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66 | end;
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67 |
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68 |
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69 | TBitSet = class(TDataField)
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70 | private
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71 | FBits: Byte;
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72 | FNames: TStringList;
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73 | function GetValueAsString: String; override;
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74 | public
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75 | // ExtraArgs: Pointer auf TStringList
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76 | constructor Create(ParentFile: TObject; ParentField: TDataField;
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77 | Offset: Integer; Name, Description: String; ExtraArgs: Pointer); override;
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78 | procedure Update(Offset, Length: Integer); override;
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79 | end;
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80 |
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81 |
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82 | TLevelID = class(TDataField)
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83 | private
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84 | FLevelID: Integer;
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85 | function GetValueAsString: String; override;
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86 | public
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87 | // ExtraArgs: keine
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88 | constructor Create(ParentFile: TObject; ParentField: TDataField;
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89 | Offset: Integer; Name, Description: String; ExtraArgs: Pointer); override;
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90 | procedure Update(Offset, Length: Integer); override;
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91 | end;
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92 |
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93 |
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94 | TFileID = class(TDataField)
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95 | private
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96 | FFileID: Integer;
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97 | function GetValueAsString: String; override;
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98 | public
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99 | // ExtraArgs: keine
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100 | constructor Create(ParentFile: TObject; ParentField: TDataField;
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101 | Offset: Integer; Name, Description: String; ExtraArgs: Pointer); override;
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102 | procedure Update(Offset, Length: Integer); override;
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103 | end;
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104 |
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105 |
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106 | TLinkByID = class(TDataField)
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107 | function GetChildCount: Integer; override;
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108 | function GetChild(ID: Integer): TTreeElement; override;
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109 | private
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110 | FFileID: Integer;
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111 | FPosExts: String;
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112 | function GetValueAsString: String; override;
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113 | public
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114 | // ExtraArgs: Pointer auf String: Possible Exts
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115 | constructor Create(ParentFile: TObject; ParentField: TDataField;
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116 | Offset: Integer; Name, Description: String; ExtraArgs: Pointer); override;
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117 | procedure Update(Offset, Length: Integer); override;
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118 | end;
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119 |
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120 |
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121 | TString = class(TDataField)
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122 | private
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123 | FString: String;
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124 | function GetValueAsString: String; override;
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125 | public
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126 | // ExtraArgs: Pointer auf Integer: Length
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127 | constructor Create(ParentFile: TObject; ParentField: TDataField;
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128 | Offset: Integer; Name, Description: String; ExtraArgs: Pointer); override;
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129 | procedure Update(Offset, Length: Integer); override;
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130 | end;
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131 |
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132 |
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133 | TArrayArgs = packed record
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134 | CounterSize: Integer;
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135 | BlockLength: Integer;
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136 | BlockCount: Integer;
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137 | end;
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138 | TArray = class(TDataField)
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139 | private
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140 | FDataFields: array of TBlock;
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141 | function GetChildCount: Integer; override;
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142 | function GetChild(ID: Integer): TTreeElement; override;
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143 | function GetFieldByOffset(Offset: Integer): TDataField;
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144 | public
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145 | // ExtraArgs: Pointer auf 3 Integer: CounterSize+Length+Count (packed record...)
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146 | constructor Create(ParentFile: TObject; ParentField: TDataField;
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147 | Offset: Integer; Name, Description: String; ExtraArgs: Pointer); override;
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148 | procedure Update(Offset, Length: Integer); override;
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149 |
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150 | function AddField(fieldtype: TFieldType; Offset: Integer;
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151 | Name, Description: String; ExtraArgs: Pointer): TDataField;
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152 | end;
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153 |
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154 |
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155 | TRawLink = class(TDataField)
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156 | private
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157 | FRawAddress: Integer;
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158 | function GetValueAsString: String; override;
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159 | public
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160 | // ExtraArgs: keine
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161 | constructor Create(ParentFile: TObject; ParentField: TDataField;
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162 | Offset: Integer; Name, Description: String; ExtraArgs: Pointer); override;
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163 | procedure Update(Offset, Length: Integer); override;
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164 | end;
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165 |
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166 |
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167 | TUnused = class(TDataField)
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168 | private
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169 | function GetValueAsString: String; override;
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170 | public
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171 | // ExtraArgs: Pointer auf Integer: Length
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172 | constructor Create(ParentFile: TObject; ParentField: TDataField;
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173 | Offset: Integer; Name, Description: String; ExtraArgs: Pointer); override;
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174 | procedure Update(Offset, Length: Integer); override;
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175 | end;
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176 |
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177 |
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178 |
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179 |
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180 | implementation
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181 |
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182 | uses
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183 | SysUtils, Dialogs, _FileTypes, ConnectionManager;
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184 |
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185 |
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186 |
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187 |
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188 | { TDataType }
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189 |
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190 | constructor TDataField.Create(ParentFile: TObject; ParentField: TDataField;
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191 | Offset: Integer; Name, Description: String; ExtraArgs: Pointer);
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192 | begin
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193 | FOffset := Offset;
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194 | FName := Name;
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195 | FDescription := Description;
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196 | FParentFile := ParentFile;
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197 | FParentField := ParentField;
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198 | FConnectionID := TFile(ParentFile).ConnectionID;
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199 | end;
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200 |
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201 | function TDataField.GetCaption: String;
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202 | begin
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203 | Result := FName;
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204 | end;
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205 |
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206 | function TDataField.GetChild(ID: Integer): TTreeElement;
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207 | begin
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208 | Result := nil;
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209 | end;
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210 |
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211 | function TDataField.GetChildCount: Integer;
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212 | begin
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213 | Result := 0;
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214 | end;
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215 |
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216 |
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217 |
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218 | { TString }
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219 |
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220 | constructor TString.Create(ParentFile: TObject; ParentField: TDataField;
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221 | Offset: Integer; Name, Description: String; ExtraArgs: Pointer);
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222 | var
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223 | fstream: TMemoryStream;
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224 | i: Integer;
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225 | begin
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226 | inherited Create(ParentFile, ParentField, Offset, Name, Description, ExtraArgs);
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227 | FDataLength := Integer(ExtraArgs^);
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228 | fstream := TFile(ParentFile).FileStream;
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229 | fstream.Seek(Offset, soFromBeginning);
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230 | SetLength(FString, FDataLength);
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231 | fstream.Read(FString[1], FDataLength);
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232 | for i := 1 to FDataLength do
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233 | if FString[i] = Chr(0) then
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234 | begin
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235 | SetLength(FString, i - 1);
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236 | Break;
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237 | end;
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238 | end;
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239 |
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240 | function TString.GetValueAsString: String;
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241 | begin
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242 | Result := FString;
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243 | end;
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244 |
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245 | procedure TString.Update(Offset, Length: Integer);
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246 | begin
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247 | Exit;
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248 | end;
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249 |
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250 |
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251 |
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252 | { TInt }
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253 |
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254 | constructor TInt.Create(ParentFile: TObject; ParentField: TDataField;
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255 | Offset: Integer; Name, Description: String; ExtraArgs: Pointer);
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256 | var
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257 | fstream: TMemoryStream;
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258 | begin
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259 | inherited Create(ParentFile, ParentField, Offset, Name, Description, ExtraArgs);
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260 | FDataLength := Integer(ExtraArgs^);
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261 | FInt := 0;
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262 | fstream := TFile(ParentFile).FileStream;
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263 | fstream.Seek(Offset, soFromBeginning);
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264 | fstream.Read(FInt, FDataLength);
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265 | end;
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266 |
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267 | function TInt.GetValueAsString: String;
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268 | begin
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269 | Result := IntToStr(FInt);
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270 | end;
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271 |
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272 | procedure TInt.Update(Offset, Length: Integer);
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273 | begin
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274 | Exit;
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275 | end;
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276 |
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277 |
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278 |
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279 | { TArray }
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280 |
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281 | function TArray.AddField(fieldtype: TFieldType; Offset: Integer;
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282 | Name, Description: String; ExtraArgs: Pointer): TDataField;
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283 | var
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284 | i: Integer;
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285 | begin
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286 | (*
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287 | if Length(FDataFields) > 0 then
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288 | begin
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289 | for i := 0 to High(FDataFields) do
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290 | if FDataFields[i].FOffset = Offset then
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291 | Break;
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292 | if i < Length(FDataFields) then
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293 | begin
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294 | ShowMessage('Field already exists');
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295 | Exit;
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296 | end;
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297 | end;
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298 | SetLength(FDataFields, Length(FDataFields) + 1);
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299 | FDataFields[High(FDataFields)] := TFieldType(fieldtype).Create(
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300 | FParentFile, Self, Offset, Name, Description, ExtraArgs);
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301 | Result := FDataFields[High(FDataFields)];
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302 | *)
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303 | end;
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304 |
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305 | constructor TArray.Create(ParentFile: TObject; ParentField: TDataField;
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306 | Offset: Integer; Name, Description: String; ExtraArgs: Pointer);
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307 | var
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308 | i: Integer;
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309 | args: TArrayArgs;
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310 | fstream: TMemoryStream;
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311 | begin
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312 | inherited Create(ParentFile, ParentField, Offset, Name, Description, ExtraArgs);
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313 | args := TArrayArgs(ExtraArgs^);
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314 | if args.CounterSize > 0 then
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315 | begin
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316 | fstream := TFile(ParentFile).FileStream;
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317 | fstream.Seek(Offset, soFromBeginning);
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318 | args.BlockCount := 0;
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319 | fstream.Read(args.BlockCount, args.CounterSize);
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320 | end;
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321 | SetLength(FDataFields, args.BlockCount);
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322 | if Length(FDataFields) > 0 then
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323 | begin
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324 | for i := 0 to High(FDataFields) do
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325 | begin
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326 | FDataFields[i] := TBlock.Create(ParentFile, Self,
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327 | Offset + args.CounterSize + i * args.BlockLength, Name+'['+IntToStr(i)+']', '', @args.BlockLength);
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328 | end;
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329 | end;
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330 | end;
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331 |
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332 | function TArray.GetChildCount: Integer;
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333 | begin
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334 | Result := Length(FDataFields);
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335 | end;
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336 |
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337 | function TArray.GetChild(ID: Integer): TTreeElement;
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338 | begin
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339 | Result := FDataFields[ID];
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340 | end;
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341 |
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342 | function TArray.GetFieldByOffset(Offset: Integer): TDataField;
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343 | begin
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344 | Exit;
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345 | end;
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346 |
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347 | procedure TArray.Update(Offset, Length: Integer);
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348 | begin
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349 | Exit;
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350 | end;
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351 |
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352 |
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353 |
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354 | { TBlock }
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355 |
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356 | function TBlock.AddField(fieldtype: TFieldType; Offset: Integer; Name,
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357 | Description: String; ExtraArgs: Pointer): TDataField;
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358 | var
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359 | i: Integer;
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360 | begin
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361 | if Length(FDataFields) > 0 then
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362 | begin
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363 | for i := 0 to High(FDataFields) do
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364 | if FDataFields[i].FOffset = Offset then
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365 | Break;
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366 | if i < Length(FDataFields) then
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367 | begin
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368 | ShowMessage('Field already exists');
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369 | Exit;
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370 | end;
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371 | end;
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372 | SetLength(FDataFields, Length(FDataFields) + 1);
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373 | FDataFields[High(FDataFields)] := TFieldType(fieldtype).Create(
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374 | FParentFile, Self, Offset, Name, Description, ExtraArgs);
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375 | Result := FDataFields[High(FDataFields)];
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376 | end;
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377 |
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378 | constructor TBlock.Create(ParentFile: TObject; ParentField: TDataField;
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379 | Offset: Integer; Name, Description: String; ExtraArgs: Pointer);
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380 | begin
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381 | inherited Create(ParentFile, ParentField, Offset, Name, Description, ExtraArgs);
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382 | if ExtraArgs <> nil then
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383 | FBlockLength := Integer(ExtraArgs^)
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384 | else
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385 | FBlockLength := -1;
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386 | end;
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387 |
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388 | function TBlock.GetChild(ID: Integer): TTreeElement;
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389 | begin
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390 | Result := FDataFields[ID];
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391 | end;
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392 |
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393 | function TBlock.GetChildCount: Integer;
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394 | begin
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395 | Result := Length(FDataFields);
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396 | end;
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397 |
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398 | function TBlock.GetFieldByOffset(Offset: Integer): TDataField;
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399 | begin
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400 | Exit;
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401 | end;
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402 |
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403 | procedure TBlock.Update(Offset, Length: Integer);
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404 | begin
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405 | Exit;
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406 | end;
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407 |
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408 |
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409 |
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410 | { TLevelID }
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411 |
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412 | constructor TLevelID.Create(ParentFile: TObject; ParentField: TDataField;
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413 | Offset: Integer; Name, Description: String; ExtraArgs: Pointer);
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414 | var
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415 | fstream: TMemoryStream;
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416 | begin
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417 | inherited Create(ParentFile, ParentField, Offset, Name, Description, ExtraArgs);
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418 | FDataLength := 4;
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419 | fstream := TFile(ParentFile).FileStream;
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420 | fstream.Seek(Offset, soFromBeginning);
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421 | fstream.Read(FLevelID, 4);
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422 | FLevelID := FLevelID div 256 div 256 div 256 div 2;
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423 | end;
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424 |
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425 | function TLevelID.GetValueAsString: String;
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426 | begin
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427 | Result := IntToStr(FLevelID);
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428 | end;
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429 |
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430 | procedure TLevelID.Update(Offset, Length: Integer);
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431 | begin
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432 | Exit;
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433 | end;
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434 |
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435 |
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436 |
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437 | { TFileID }
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438 |
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439 | constructor TFileID.Create(ParentFile: TObject; ParentField: TDataField;
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440 | Offset: Integer; Name, Description: String; ExtraArgs: Pointer);
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441 | var
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442 | fstream: TMemoryStream;
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443 | begin
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444 | inherited Create(ParentFile, ParentField, Offset, Name, Description, ExtraArgs);
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445 | FDataLength := 4;
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446 | fstream := TFile(ParentFile).FileStream;
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447 | fstream.Seek(Offset, soFromBeginning);
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448 | fstream.Read(FFileID, 4);
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449 | if FFileID > 0 then
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450 | FFileID := FFileID div 256
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451 | else
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452 | FFileID := -1;
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453 | end;
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454 |
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455 | function TFileID.GetValueAsString: String;
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456 | begin
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457 | Result := IntToStr(FFileID);
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458 | end;
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459 |
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460 | procedure TFileID.Update(Offset, Length: Integer);
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461 | begin
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462 | Exit;
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463 | end;
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464 |
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465 |
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466 |
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467 | { TLinkByID }
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468 |
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469 | constructor TLinkByID.Create(ParentFile: TObject; ParentField: TDataField;
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470 | Offset: Integer; Name, Description: String; ExtraArgs: Pointer);
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471 | var
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472 | fstream: TMemoryStream;
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473 | begin
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474 | inherited Create(ParentFile, ParentField, Offset, Name, Description, ExtraArgs);
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475 | FDataLength := 4;
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476 | FPosExts := String(ExtraArgs^);
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477 | fstream := TFile(ParentFile).FileStream;
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478 | fstream.Seek(Offset, soFromBeginning);
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479 | fstream.Read(FFileID, 4);
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480 | if FFileID > 0 then
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481 | FFileID := FFileID div 256
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482 | else
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483 | FFileID := -1;
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484 | end;
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485 |
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486 | function TLinkByID.GetChild(ID: Integer): TTreeElement;
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487 | begin
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488 | if FFileID > 0 then
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489 | Result := ConManager.Connection[FConnectionID].MetaData.FileById[FFileID].Child[ID]
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490 | else
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491 | Result := nil;
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492 | end;
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493 |
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494 | function TLinkByID.GetChildCount: Integer;
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495 | begin
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496 | if FFileID > 0 then
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497 | Result := ConManager.Connection[FConnectionID].MetaData.FileById[FFileID].ChildCount
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498 | else
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499 | Result := 0;
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500 | end;
|
---|
501 |
|
---|
502 | function TLinkByID.GetValueAsString: String;
|
---|
503 | begin
|
---|
504 | Result := IntToStr(FFileID);
|
---|
505 | end;
|
---|
506 |
|
---|
507 | procedure TLinkByID.Update(Offset, Length: Integer);
|
---|
508 | begin
|
---|
509 | Exit;
|
---|
510 | end;
|
---|
511 |
|
---|
512 |
|
---|
513 |
|
---|
514 | { TRawLink }
|
---|
515 |
|
---|
516 | constructor TRawLink.Create(ParentFile: TObject; ParentField: TDataField;
|
---|
517 | Offset: Integer; Name, Description: String; ExtraArgs: Pointer);
|
---|
518 | var
|
---|
519 | fstream: TMemoryStream;
|
---|
520 | begin
|
---|
521 | inherited Create(ParentFile, ParentField, Offset, Name, Description, ExtraArgs);
|
---|
522 | FDataLength := 4;
|
---|
523 | fstream := TFile(ParentFile).FileStream;
|
---|
524 | fstream.Seek(Offset, soFromBeginning);
|
---|
525 | fstream.Read(FRawAddress, 4);
|
---|
526 | end;
|
---|
527 |
|
---|
528 | function TRawLink.GetValueAsString: String;
|
---|
529 | begin
|
---|
530 | Result := IntToStr(FRawAddress);
|
---|
531 | end;
|
---|
532 |
|
---|
533 | procedure TRawLink.Update(Offset, Length: Integer);
|
---|
534 | begin
|
---|
535 | Exit;
|
---|
536 | end;
|
---|
537 |
|
---|
538 |
|
---|
539 |
|
---|
540 | { TUnused }
|
---|
541 |
|
---|
542 | constructor TUnused.Create(ParentFile: TObject; ParentField: TDataField;
|
---|
543 | Offset: Integer; Name, Description: String; ExtraArgs: Pointer);
|
---|
544 | begin
|
---|
545 | inherited Create(ParentFile, ParentField, Offset, Name, Description, ExtraArgs);
|
---|
546 | FDataLength := Integer(ExtraArgs^);
|
---|
547 | end;
|
---|
548 |
|
---|
549 | function TUnused.GetValueAsString: String;
|
---|
550 | begin
|
---|
551 | Result := '';
|
---|
552 | end;
|
---|
553 |
|
---|
554 | procedure TUnused.Update(Offset, Length: Integer);
|
---|
555 | begin
|
---|
556 | Exit;
|
---|
557 | end;
|
---|
558 |
|
---|
559 |
|
---|
560 |
|
---|
561 | { TBitSet }
|
---|
562 |
|
---|
563 | constructor TBitSet.Create(ParentFile: TObject; ParentField: TDataField;
|
---|
564 | Offset: Integer; Name, Description: String; ExtraArgs: Pointer);
|
---|
565 | var
|
---|
566 | fstream: TMemoryStream;
|
---|
567 | begin
|
---|
568 | inherited Create(ParentFile, ParentField, Offset, Name, Description, ExtraArgs);
|
---|
569 | FNames := TStringList.Create;
|
---|
570 | FNames.AddStrings(TStringList(ExtraArgs^));
|
---|
571 | FDataLength := 1;
|
---|
572 | FBits := 0;
|
---|
573 | fstream := TFile(ParentFile).FileStream;
|
---|
574 | fstream.Seek(Offset, soFromBeginning);
|
---|
575 | fstream.Read(FBits, FDataLength);
|
---|
576 | end;
|
---|
577 |
|
---|
578 | function TBitSet.GetValueAsString: String;
|
---|
579 | begin
|
---|
580 | Result := IntToStr(FBits);
|
---|
581 | end;
|
---|
582 |
|
---|
583 | procedure TBitSet.Update(Offset, Length: Integer);
|
---|
584 | begin
|
---|
585 | Exit;
|
---|
586 | end;
|
---|
587 |
|
---|
588 | end.
|
---|