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