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unit DatStructureLoader; |
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|
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interface |
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|
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type |
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TStructureEntry = record |
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Name: String; |
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offset: Integer; |
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datatype: Word; |
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// 1..4 : Integer[1..4] dec |
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// 5..8 : Integer[1..4] hex |
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// 9 : float |
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// 10 : bitset |
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// 11 : raw-addr |
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// 12 : untyped-dat-file-ID-link |
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// 13..16: Signed Integer[1..4] |
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// 17 : level-ID |
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// 100..300: dat-file-name[0..200] |
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// 501..614: typed-dat-file-ID-link |
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// 1000..9999: Unused data[0-8999] |
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// 10000+: string[0+] |
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description: String; |
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end; |
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|
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TStructDefSub = record |
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SubName: String; |
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SubDesc: String; |
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Entries: array of TStructureEntry; |
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end; |
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|
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TStructDef = record |
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Data: Boolean; |
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Global: array of TStructureEntry; |
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Subs: array of TStructDefSub; |
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end; |
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|
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|
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function LoadStructureDefinition(ConnectionID, FileID: Integer): TStructDef; |
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function GetDataType(TypeID: Word): String; |
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function GetDataTypeLength(DataType: Word): Word; |
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|
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implementation |
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|
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uses |
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SysUtils, Classes, Functions, ConnectionManager, TypeDefs, Forms, StrUtils, Data; |
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|
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type |
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TStringArray = array of String; |
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|
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function GetDataTypeLength(DataType: Word): Word; |
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begin |
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case datatype of |
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1..4: |
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Result := datatype; |
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5..8: |
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Result := datatype - 4; |
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9: |
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Result := 4; |
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10: |
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Result := 1; |
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11: |
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Result := 4; |
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12: |
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Result := 4; |
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13..16: |
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Result := datatype - 12; |
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17: |
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Result := 4; |
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100..300: |
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Result := datatype - 100; |
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500..614: |
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Result := 4; |
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1000..9999: |
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Result := datatype - 1000; |
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10000..65535: |
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Result := datatype - 10000; |
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else |
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Result := 0; |
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end; |
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end; |
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|
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|
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|
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function GetDataType(typeid: Word): String; |
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begin |
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case typeid of |
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1..4: |
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Result := 'Int' + IntToStr(typeid * 8); |
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5..8: |
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Result := 'Int' + IntToStr((typeid - 4) * 8); |
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9: |
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Result := 'Float'; |
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10: |
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Result := 'BitSet'; |
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11: |
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Result := 'Raw-Address'; |
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12: |
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Result := '.dat-file-ID'; |
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13..16: |
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Result := 'SignedInt' + IntToStr((typeid - 12) * 8); |
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17: |
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Result := 'LevelID'; |
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100..300: |
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Result := '.dat-file-name(' + IntToStr(typeid - 100) + ')'; |
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1000..9999: |
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Result := 'Unused(' + IntToStr(typeid - 1000) + ')'; |
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10000..65535: |
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Result := 'String(' + IntToStr(typeid - 10000) + ')'; |
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end; |
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end; |
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|
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|
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|
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function Explode(_string: String; delimiter: Char): TStringArray; |
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var |
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start, len: Word; |
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begin |
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SetLength(Result, 0); |
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start := 1; |
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while PosEx(delimiter, _string, start) > 0 do |
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begin |
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SetLength(Result, Length(Result) + 1); |
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len := PosEx(delimiter, _string, start) - start; |
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Result[High(Result)] := MidStr(_string, start, len); |
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start := start + len + 1; |
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end; |
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SetLength(Result, Length(Result) + 1); |
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Result[High(Result)] := MidStr(_string, start, Length(_string) - start + 1); |
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end; |
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|
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|
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|
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function LoadStructureDefinition(ConnectionID, FileID: Integer): TStructDef; |
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var |
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current_type: Byte; //0: Global, 1: Undynamic, 2: Dynamic |
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current_base, current_package, current_package_size: Integer; |
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packages: Integer; |
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deffile: Text; |
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structentry: TStructureEntry; |
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fields: TStringArray; |
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filename: String; |
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ext: String[4]; |
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temps: String; |
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Data: TByteData; |
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begin |
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SetLength(Result.Global, 0); |
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SetLength(Result.Subs, 0); |
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Result.Data := False; |
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ext := ConManager.Connection[ConnectionID].GetFileInfo(fileid).Extension; |
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filename := ExtractFilePath(Application.ExeName) + '\StructDefs\' + ext + '.txt'; |
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if FileExists(filename) then |
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begin |
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ConManager.Connection[ConnectionID].LoadDatFile(FileID, Data); |
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AssignFile(deffile, filename); |
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Reset(deffile); |
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current_type := 0; |
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Result.Data := True; |
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if not EOF(deffile) then |
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begin |
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ReadLn(deffile, temps); |
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while not EOF(deffile) do |
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begin |
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ReadLn(deffile, temps); |
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if (Length(temps) > 0) and (temps[1] <> '#') then |
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begin |
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if temps[1] = '*' then |
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begin |
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fields := Explode(temps, #9); |
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case Length(fields) of |
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1..2: |
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begin |
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current_type := 1; |
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current_base := 0; |
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SetLength(Result.Subs, Length(Result.Subs) + 1); |
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Result.Subs[High(Result.Subs)].SubName := |
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MidStr(fields[0], 2, Length(fields[0]) - 1); |
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if Length(fields) = 2 then |
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Result.Subs[High(Result.Subs)].SubDesc := fields[1]; |
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end; |
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3: |
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begin |
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current_type := 1; |
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current_base := StrToInt(fields[2]); |
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SetLength(Result.Subs, Length(Result.Subs) + 1); |
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Result.Subs[High(Result.Subs)].SubName := |
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MidStr(fields[0], 2, Length(fields[0]) - 1); |
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Result.Subs[High(Result.Subs)].SubDesc := fields[1]; |
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end; |
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6: |
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begin |
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current_type := 2; |
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current_base := StrToInt(fields[2]); |
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current_package := 0; |
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current_package_size := StrToInt(fields[5]); |
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if fields[4][1] <> '$' then |
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begin |
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case StrToInt(fields[4]) of |
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1: |
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packages := Data[StrToInt(fields[3])]; |
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2: |
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packages := Data[StrToInt(fields[3])] + Data[StrToInt(fields[3]) + 1] * 256; |
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4: |
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packages := Data[StrToInt(fields[3])] + Data[StrToInt(fields[3]) + 1] * |
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256 + Data[StrToInt(fields[3]) + 2] * 256 * 256 + Data[StrToInt(fields[3]) + 3] * 256 * 256 * 256; |
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end; |
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end |
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else |
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begin |
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packages := StrToInt(fields[4]); |
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end; |
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SetLength(Result.Subs, Length(Result.Subs) + packages); |
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for current_package := 0 to packages - 1 do |
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begin |
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Result.Subs[High(Result.Subs) - packages + |
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current_package + 1].SubName := |
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MidStr(fields[0], 2, Length(fields[0]) - 1) + |
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'[' + IntToStr(current_package) + ']' + '#' + |
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IntToHex(current_base + current_package * current_package_size, 8) + |
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'#' + IntToHex(current_package_size, 8); |
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Result.Subs[High(Result.Subs) - packages + |
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current_package + 1].SubDesc := |
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fields[1]; |
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end; |
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end; |
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end; |
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end |
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else |
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begin |
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fields := Explode(temps, #9); |
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if (Length(fields) = 3) or (Length(fields) = 4) then |
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begin |
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if not AppSettings.HideUnusedData or |
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((StrToInt(fields[2]) < 1000) or (StrToInt(fields[2]) > 9999)) then |
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begin |
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structentry.Name := fields[0]; |
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structentry.datatype := StrToInt(fields[2]); |
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if Length(fields) = 4 then |
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structentry.description := fields[3] |
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else |
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structentry.description := ''; |
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if current_type in [0, 1] then |
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begin |
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structentry.offset := StrToInt(fields[1]) + current_base; |
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if Length(Result.Subs) = 0 then |
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begin |
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SetLength(Result.Global, Length(Result.Global) + 1); |
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Result.Global[High(Result.Global)] := structentry; |
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end |
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else |
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begin |
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SetLength(Result.Subs[High(Result.Subs)].Entries, |
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Length(Result.Subs[High(Result.Subs)].Entries) + 1); |
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Result.Subs[High(Result.Subs)].Entries[High( |
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Result.Subs[High(Result.Subs)].Entries)] := structentry; |
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end; |
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end |
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else |
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begin |
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for current_package := 0 to packages - 1 do |
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begin |
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structentry.offset := |
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current_base + current_package * current_package_size + StrToInt(fields[1]); |
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with Result.Subs[High(Result.Subs) - packages + current_package + 1] do |
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begin |
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SetLength(Entries, Length(Entries) + 1); |
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Entries[High(Entries)] := structentry; |
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end; |
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end; |
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end; |
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end; |
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end; |
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end; |
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end; |
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end; |
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end; |
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CloseFile(deffile); |
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end; |
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end; |
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|
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|
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end. |
