1 | unit _DataTypes;
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2 |
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3 | interface
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4 |
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5 | type
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6 | TDataField = class
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7 | private
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8 | FOffset: Integer;
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9 | FName: String;
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10 | FDescription: String;
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11 | FDataLength: Integer;
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12 | FParentFile: TObject;
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13 | FChanged: Boolean;
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14 | function GetValueAsString: String; virtual; abstract;
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15 | public
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16 | constructor Create(ParentFile: TObject; Offset: Integer;
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17 | Name, Description: String; ExtraArgs: Pointer); virtual;
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18 |
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19 | procedure Update(Offset, Length: Integer); virtual; abstract;
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20 |
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21 | property Offset: Integer read FOffset;
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22 | property Name: String read FName;
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23 | property Description: String read FDescription;
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24 | property DataLength: Integer read FDataLength;
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25 | property ValueAsString: String read GetValueAsString;
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26 | end;
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27 |
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28 | TFieldType = class of TDataField;
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29 |
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30 | TBlock = class(TDataField)
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31 | private
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32 | FDataFields: array of TDataField;
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33 | function GetFieldByOffset(Offset: Integer): TDataField;
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34 | function GetFieldByIndex(ID: Integer): TDataField;
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35 | function GetFieldCount: Integer;
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36 | public
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37 | // ExtraArgs: Pointer auf 2 Integer: Length+Count
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38 | constructor Create(ParentFile: TObject; Offset: Integer;
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39 | Name, Description: String; ExtraArgs: Pointer); override;
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40 | procedure Update(Offset, Length: Integer); override;
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41 | property FieldByOffset[Offset: Integer]: TDataField read GetFieldByOffset;
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42 | property FieldByIndex[ID: Integer]: TDataField read GetFieldByIndex;
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43 | property FieldCount: Integer read GetFieldCount;
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44 |
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45 | procedure AddField(fieldtype: TFieldType; Offset: Integer;
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46 | Name, Description: String; ExtraArgs: Pointer);
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47 | end;
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48 |
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49 |
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50 | TInt = class(TDataField)
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51 | private
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52 | FInt: Integer;
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53 | function GetValueAsString: String; override;
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54 | public
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55 | // ExtraArgs: Pointer auf Integer: Bytes of TInt
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56 | constructor Create(ParentFile: TObject; Offset: Integer;
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57 | Name, Description: String; ExtraArgs: Pointer); override;
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58 | procedure Update(Offset, Length: Integer); override;
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59 | end;
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60 |
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61 |
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62 | TLevelID = class(TDataField)
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63 | private
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64 | FLevelID: Integer;
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65 | function GetValueAsString: String; override;
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66 | public
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67 | // ExtraArgs: keine
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68 | constructor Create(ParentFile: TObject; Offset: Integer;
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69 | Name, Description: String; ExtraArgs: Pointer); override;
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70 | procedure Update(Offset, Length: Integer); override;
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71 | end;
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72 |
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73 |
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74 | TFileID = class(TDataField)
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75 | private
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76 | FFileID: Integer;
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77 | function GetValueAsString: String; override;
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78 | public
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79 | // ExtraArgs: keine
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80 | constructor Create(ParentFile: TObject; Offset: Integer;
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81 | Name, Description: String; ExtraArgs: Pointer); override;
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82 | procedure Update(Offset, Length: Integer); override;
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83 | end;
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84 |
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85 |
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86 | TLinkByID = class(TDataField)
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87 | private
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88 | FFileID: Integer;
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89 | FPosExts: String;
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90 | function GetValueAsString: String; override;
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91 | public
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92 | // ExtraArgs: Pointer auf String: Possible Exts
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93 | constructor Create(ParentFile: TObject; Offset: Integer;
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94 | Name, Description: String; ExtraArgs: Pointer); override;
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95 | procedure Update(Offset, Length: Integer); override;
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96 | end;
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97 |
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98 |
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99 | TString = class(TDataField)
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100 | private
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101 | FString: String;
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102 | function GetValueAsString: String; override;
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103 | public
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104 | // ExtraArgs: Pointer auf Integer: Length
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105 | constructor Create(ParentFile: TObject; Offset: Integer;
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106 | Name, Description: String; ExtraArgs: Pointer); override;
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107 | procedure Update(Offset, Length: Integer); override;
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108 | end;
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109 |
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110 |
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111 | TArray = class(TDataField)
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112 | private
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113 | FDataFields: array of TDataField;
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114 | function GetFieldByOffset(Offset: Integer): TDataField;
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115 | function GetFieldByIndex(ID: Integer): TDataField;
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116 | function GetFieldCount: Integer;
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117 | public
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118 | // ExtraArgs: Pointer auf 2 Integer: Length+Count
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119 | constructor Create(ParentFile: TObject; Offset: Integer;
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120 | Name, Description: String; ExtraArgs: Pointer); override;
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121 | procedure Update(Offset, Length: Integer); override;
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122 | property FieldByOffset[Offset: Integer]: TDataField read GetFieldByOffset;
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123 | property FieldByIndex[ID: Integer]: TDataField read GetFieldByIndex;
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124 | property FieldCount: Integer read GetFieldCount;
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125 |
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126 | procedure AddField(fieldtype: TFieldType; Offset: Integer;
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127 | Name, Description: String; ExtraArgs: Pointer);
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128 | end;
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129 |
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130 |
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131 | TRawLink = class(TDataField)
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132 | private
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133 | FRawAddress: Integer;
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134 | function GetValueAsString: String; override;
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135 | public
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136 | // ExtraArgs: keine
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137 | constructor Create(ParentFile: TObject; Offset: Integer;
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138 | Name, Description: String; ExtraArgs: Pointer); override;
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139 | procedure Update(Offset, Length: Integer); override;
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140 | end;
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141 |
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142 |
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143 | TUnused = class(TDataField)
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144 | private
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145 | function GetValueAsString: String; override;
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146 | public
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147 | // ExtraArgs: Pointer auf Integer: Length
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148 | constructor Create(ParentFile: TObject; Offset: Integer;
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149 | Name, Description: String; ExtraArgs: Pointer); override;
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150 | procedure Update(Offset, Length: Integer); override;
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151 | end;
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152 |
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153 |
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154 | implementation
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155 |
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156 | uses
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157 | SysUtils, Dialogs, _FileTypes, Classes, ConnectionManager;
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158 |
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159 |
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160 | { TDataType }
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161 |
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162 | constructor TDataField.Create(ParentFile: TObject; Offset: Integer;
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163 | Name, Description: String; ExtraArgs: Pointer);
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164 | begin
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165 | FOffset := Offset;
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166 | FName := Name;
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167 | FDescription := Description;
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168 | FParentFile := ParentFile;
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169 | end;
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170 |
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171 |
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172 |
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173 | { TInt32 }
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174 |
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175 | constructor TInt.Create(ParentFile: TObject; Offset: Integer;
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176 | Name, Description: String; ExtraArgs: Pointer);
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177 | var
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178 | fstream: TMemoryStream;
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179 | begin
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180 | inherited Create(ParentFile, Offset, Name, Description, ExtraArgs);
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181 | FDataLength := Integer(ExtraArgs^);
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182 | FInt := 0;
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183 | fstream := TFile(ParentFile).FileStream;
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184 | fstream.Seek(Offset, soFromBeginning);
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185 | fstream.Read(FInt, FDataLength);
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186 | end;
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187 |
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188 | function TInt.GetValueAsString: String;
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189 | begin
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190 | Result := IntToStr(FInt);
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191 | end;
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192 |
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193 | procedure TInt.Update(Offset, Length: Integer);
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194 | begin
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195 | Exit;
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196 | end;
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197 |
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198 |
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199 |
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200 | { TString }
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201 |
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202 | constructor TString.Create(ParentFile: TObject; Offset: Integer;
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203 | Name, Description: String; ExtraArgs: Pointer);
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204 | var
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205 | fstream: TMemoryStream;
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206 | i: Integer;
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207 | begin
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208 | inherited Create(ParentFile, Offset, Name, Description, ExtraArgs);
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209 | FDataLength := Integer(ExtraArgs^);
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210 | fstream := TFile(ParentFile).FileStream;
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211 | fstream.Seek(Offset, soFromBeginning);
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212 | SetLength(FString, FDataLength);
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213 | fstream.Read(FString[1], FDataLength);
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214 | for i := 1 to FDataLength do
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215 | if FString[i] = Chr(0) then
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216 | begin
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217 | SetLength(FString, i - 1);
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218 | Break;
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219 | end;
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220 | end;
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221 |
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222 | function TString.GetValueAsString: String;
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223 | begin
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224 | Result := FString;
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225 | end;
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226 |
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227 | procedure TString.Update(Offset, Length: Integer);
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228 | begin
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229 | Exit;
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230 | end;
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231 |
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232 |
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233 |
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234 | { TArray }
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235 |
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236 | procedure TArray.AddField(fieldtype: TFieldType; Offset: Integer;
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237 | Name, Description: String; ExtraArgs: Pointer);
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238 | begin
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239 | Exit;
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240 | end;
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241 |
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242 | constructor TArray.Create(ParentFile: TObject; Offset: Integer;
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243 | Name, Description: String; ExtraArgs: Pointer);
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244 | begin
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245 | inherited Create(ParentFile, Offset, Name, Description, ExtraArgs);
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246 | end;
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247 |
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248 | function TArray.GetFieldByIndex(ID: Integer): TDataField;
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249 | begin
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250 | if ID < Length(FDataFields) then
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251 | Result := FDataFields[ID]
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252 | else
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253 | Result := nil;
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254 | end;
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255 |
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256 | function TArray.GetFieldByOffset(Offset: Integer): TDataField;
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257 | var
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258 | i: Integer;
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259 | begin
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260 | Result := nil;
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261 |
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262 | if Length(FDataFields) > 0 then
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263 | begin
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264 | for i := 0 to High(FDataFields) do
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265 | if FDataFields[i].Offset = Offset then
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266 | break;
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267 | if i < Length(FDataFields) then
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268 | Result := FDataFields[i];
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269 | end;
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270 | end;
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271 |
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272 | function TArray.GetFieldCount: Integer;
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273 | begin
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274 | Result := Length(FDataFields);
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275 | end;
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276 |
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277 | procedure TArray.Update(Offset, Length: Integer);
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278 | begin
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279 | Exit;
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280 | end;
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281 |
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282 |
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283 |
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284 | { TBlock }
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285 |
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286 | procedure TBlock.AddField(fieldtype: TFieldType; Offset: Integer; Name,
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287 | Description: String; ExtraArgs: Pointer);
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288 | var
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289 | i: Integer;
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290 | begin
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291 | if Length(FDataFields) > 0 then
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292 | begin
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293 | for i := 0 to High(FDataFields) do
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294 | if FDataFields[i].FOffset = Offset then
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295 | Break;
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296 | if i < Length(FDataFields) then
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297 | begin
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298 | ShowMessage('Field exists');
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299 | Exit;
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300 | end;
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301 | end;
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302 | SetLength(FDataFields, Length(FDataFields) + 1);
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303 | FDataFields[High(FDataFields)] := TFieldType(fieldtype).Create(
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304 | FParentFile, Offset, Name, Description, ExtraArgs);
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305 | end;
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306 |
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307 | constructor TBlock.Create(ParentFile: TObject; Offset: Integer;
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308 | Name, Description: String; ExtraArgs: Pointer);
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309 | begin
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310 | inherited Create(ParentFile, Offset, Name, Description, ExtraArgs);
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311 | end;
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312 |
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313 | function TBlock.GetFieldByIndex(ID: Integer): TDataField;
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314 | begin
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315 | Result := FDataFields[ID];
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316 | end;
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317 |
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318 | function TBlock.GetFieldByOffset(Offset: Integer): TDataField;
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319 | begin
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320 | Exit;
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321 | end;
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322 |
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323 | function TBlock.GetFieldCount: Integer;
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324 | begin
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325 | Result := Length(FDataFields);
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326 | end;
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327 |
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328 | procedure TBlock.Update(Offset, Length: Integer);
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329 | begin
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330 | Exit;
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331 | end;
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332 |
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333 |
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334 |
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335 | { TLevelID }
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336 |
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337 | constructor TLevelID.Create(ParentFile: TObject; Offset: Integer;
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338 | Name, Description: String; ExtraArgs: Pointer);
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339 | var
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340 | fstream: TMemoryStream;
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341 | begin
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342 | inherited Create(ParentFile, Offset, Name, Description, ExtraArgs);
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343 | FDataLength := 4;
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344 | fstream := TFile(ParentFile).FileStream;
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345 | fstream.Seek(Offset, soFromBeginning);
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346 | fstream.Read(FLevelID, 4);
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347 | FLevelID := FLevelID div 256 div 256 div 256 div 2;
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348 | end;
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349 |
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350 | function TLevelID.GetValueAsString: String;
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351 | begin
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352 | Result := IntToStr(FLevelID);
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353 | end;
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354 |
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355 | procedure TLevelID.Update(Offset, Length: Integer);
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356 | begin
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357 | Exit;
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358 | end;
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359 |
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360 |
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361 |
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362 | { TFileID }
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363 |
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364 | constructor TFileID.Create(ParentFile: TObject; Offset: Integer;
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365 | Name, Description: String; ExtraArgs: Pointer);
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366 | var
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367 | fstream: TMemoryStream;
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368 | begin
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369 | inherited Create(ParentFile, Offset, Name, Description, ExtraArgs);
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370 | FDataLength := 4;
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371 | fstream := TFile(ParentFile).FileStream;
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372 | fstream.Seek(Offset, soFromBeginning);
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373 | fstream.Read(FFileID, 4);
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374 | if FFileID > 0 then
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375 | FFileID := FFileID div 256
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376 | else
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377 | FFileID := -1;
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378 | end;
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379 |
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380 | function TFileID.GetValueAsString: String;
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381 | begin
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382 | Result := IntToStr(FFileID);
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383 | end;
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384 |
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385 | procedure TFileID.Update(Offset, Length: Integer);
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386 | begin
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387 | Exit;
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388 | end;
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389 |
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390 |
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391 |
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392 | { TLinkByID }
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393 |
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394 | constructor TLinkByID.Create(ParentFile: TObject; Offset: Integer; Name,
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395 | Description: String; ExtraArgs: Pointer);
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396 | var
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397 | fstream: TMemoryStream;
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398 | begin
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399 | inherited Create(ParentFile, Offset, Name, Description, ExtraArgs);
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400 | FDataLength := 4;
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401 | FPosExts := String(ExtraArgs^);
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402 | fstream := TFile(ParentFile).FileStream;
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403 | fstream.Seek(Offset, soFromBeginning);
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404 | fstream.Read(FFileID, 4);
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405 | if FFileID > 0 then
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406 | FFileID := FFileID div 256
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407 | else
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408 | FFileID := -1;
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409 | end;
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410 |
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411 | function TLinkByID.GetValueAsString: String;
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412 | begin
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413 | Result := IntToStr(FFileID);
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414 | end;
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415 |
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416 | procedure TLinkByID.Update(Offset, Length: Integer);
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417 | begin
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418 | Exit;
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419 | end;
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420 |
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421 |
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422 |
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423 | { TRawLink }
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424 |
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425 | constructor TRawLink.Create(ParentFile: TObject; Offset: Integer; Name,
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426 | Description: String; ExtraArgs: Pointer);
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427 | var
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428 | fstream: TMemoryStream;
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429 | begin
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430 | inherited Create(ParentFile, Offset, Name, Description, ExtraArgs);
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431 | FDataLength := 4;
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432 | fstream := TFile(ParentFile).FileStream;
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433 | fstream.Seek(Offset, soFromBeginning);
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434 | fstream.Read(FRawAddress, 4);
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435 | end;
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436 |
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437 | function TRawLink.GetValueAsString: String;
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438 | begin
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439 | Result := IntToStr(FRawAddress);
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440 | end;
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441 |
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442 | procedure TRawLink.Update(Offset, Length: Integer);
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443 | begin
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444 | Exit;
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445 | end;
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446 |
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447 |
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448 |
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449 | { TUnused }
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450 |
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451 | constructor TUnused.Create(ParentFile: TObject; Offset: Integer; Name,
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452 | Description: String; ExtraArgs: Pointer);
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453 | begin
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454 | inherited Create(ParentFile, Offset, Name, Description, ExtraArgs);
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455 | FDataLength := Integer(ExtraArgs^);
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456 | end;
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457 |
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458 | function TUnused.GetValueAsString: String;
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459 | begin
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460 | Result := '';
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461 | end;
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462 |
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463 | procedure TUnused.Update(Offset, Length: Integer);
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464 | begin
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465 | Exit;
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466 | end;
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467 |
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468 | end.
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