| 1 | unit Access_OniArchive;
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| 2 | interface
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| 3 |
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| 4 | uses DataAccess, Classes, TypeDefs;
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| 5 |
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| 6 | type
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| 7 | TAccess_OniArchive = class(TDataAccess)
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| 8 | private
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| 9 | Fdat_file: TFileStream;
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| 10 | Fraw_file: TFileStream;
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| 11 | Fsep_file: TFileStream;
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| 12 | Fdat_files: TFiles;
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| 13 | Fdat_extensionsmap: TExtensionsMap;
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| 14 | FUnloadWhenUnused: Boolean;
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| 15 | FDatOpened: Boolean;
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| 16 | FRawOpened: Boolean;
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| 17 | FSepOpened: Boolean;
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| 18 | protected
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| 19 | public
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| 20 | property UnloadWhenUnused: Boolean Read FUnloadWhenUnused Write FUnloadWhenUnused;
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| 21 |
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| 22 | constructor Create(DatFilename: String; ConnectionID: Integer; var Msg: TStatusMessages); override;
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| 23 | procedure Close; override;
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| 24 |
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| 25 | function GetFileInfo(FileID: Integer): TFileInfo; override;
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| 26 | function GetFilesList(Ext: String; Pattern: String;
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| 27 | NoEmptyFiles: Boolean; SortType: TSortType): TStrings; override;
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| 28 | function GetFileCount: Integer; override;
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| 29 | function GetExtensionsList(ExtListFormat: TExtensionFormat): TStrings; override;
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| 30 |
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| 31 | procedure LoadDatFile(FileID: Integer; var Target: TStream); overload; override;
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| 32 | procedure UpdateDatFile(FileID: Integer; Src: TStream); overload; override;
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| 33 | procedure LoadDatFilePart(FileID, Offset, Size: Integer; var Target: TStream); overload; override;
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| 34 | procedure UpdateDatFilePart(FileID, Offset, Size: Integer; Src: TStream); overload; override;
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| 35 |
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| 36 | function GetRawList(FileID: Integer): TRawDataList; override;
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| 37 | function GetRawInfo(FileID, DatOffset: Integer): TRawDataInfo; override;
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| 38 |
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| 39 | procedure LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; target: Pointer);
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| 40 | procedure LoadRawFile(FileID, DatOffset: Integer; var Target: TStream); overload; override;
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| 41 | procedure UpdateRawFile(FileID, DatOffset: Integer; Src: TStream); overload; override;
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| 42 | procedure LoadRawFilePart(FileID, DatOffset, Offset, Size: Integer; var Target: TStream); overload; override;
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| 43 | procedure UpdateRawFilePart(FileID, DatOffset, Offset, Size: Integer; Src: TStream); overload; override;
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| 44 |
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| 45 | function AppendRawFile(LocSep: Boolean; Src: TStream): Integer; overload; override;
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| 46 | published
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| 47 | end;
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| 48 |
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| 49 | implementation
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| 50 |
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| 51 | uses
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| 52 | SysUtils, StrUtils, Data, Functions, RawList;
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| 53 |
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| 54 |
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| 55 | (*
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| 56 | ================================================================================
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| 57 | Implementation of TOniDataDat
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| 58 | *)
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| 59 |
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| 60 |
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| 61 | constructor TAccess_OniArchive.Create(DatFilename: String; ConnectionID: Integer; var Msg: TStatusMessages);
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| 62 | type
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| 63 | THeader = packed record
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| 64 | Ident: array[0..$13] of Byte;
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| 65 | Files: Integer;
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| 66 | NamedFiles: Integer;
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| 67 | Extensions: Integer;
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| 68 | DataAddr: Integer;
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| 69 | DataSize: Integer;
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| 70 | NamesAddr: Integer;
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| 71 | NamesSize: Integer;
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| 72 | Ident2: array[0..$F] of Byte;
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| 73 | end;
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| 74 | TFilesMap = array of packed record
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| 75 | Extension: array[0..$3] of Char;
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| 76 | DataAddr: Integer;
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| 77 | NameAddr: Integer;
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| 78 | FileSize: Integer;
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| 79 | FileType: LongWord;
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| 80 | end;
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| 81 | TNamedFilesMap = array of packed record
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| 82 | FileNumber: Integer;
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| 83 | blubb: Integer;
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| 84 | end;
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| 85 | const
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| 86 | header_ident1_pc: array[0..$13] of Byte =
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| 87 | ($1F, $27, $DC, $33, $DF, $BC, $03, $00, $31, $33, $52, $56, $40, $00,
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| 88 | $14, $00, $10, $00, $08, $00);
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| 89 | header_ident1_mac: array[0..$13] of Byte =
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| 90 | ($61, $30, $C1, $23, $DF, $BC, $03, $00, $31, $33, $52, $56, $40, $00,
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| 91 | $14, $00, $10, $00, $08, $00);
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| 92 | header_ident1_macbeta: array[0..$13] of Byte =
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| 93 | ($81, $11, $8D, $23, $DF, $BC, $03, $00, $31, $33, $52, $56, $40, $00,
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| 94 | $14, $00, $10, $00, $08, $00);
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| 95 | header_ident2: array[0..$F] of Byte =
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| 96 | ($99, $CF, $40, $00, $90, $4F, $63, $00, $F4, $55, $5F, $00, $90, $4F, $63, $00);
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| 97 | var
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| 98 | i: Integer;
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| 99 | header_pc, header_mac, header_macbeta: Boolean;
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| 100 | Fdat_header: THeader;
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| 101 | Fdat_filesmap: TFilesMap;
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| 102 | Fdat_namedfilesmap: TNamedFilesMap;
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| 103 | begin
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| 104 | FUnloadWhenUnused := True;
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| 105 | FDatOpened := False;
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| 106 | FRawOpened := False;
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| 107 | Msg := SM_UnknownError;
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| 108 | if not FileExists(DatFilename) then
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| 109 | begin
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| 110 | Msg := SM_FileNotFound;
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| 111 | Exit;
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| 112 | end;
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| 113 | FFileName := DatFilename;
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| 114 | Fdat_file := TFileStream.Create(FFileName, fmOpenRead);
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| 115 | Fdat_file.Read(Fdat_header, SizeOf(Fdat_header));
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| 116 | header_pc := True;
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| 117 | header_mac := True;
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| 118 | header_macbeta := True;
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| 119 | for i := 0 to High(Fdat_header.Ident) do
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| 120 | begin
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| 121 | // FLevelInfo.Ident[i] := Fdat_header.Ident[i];
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| 122 | if Fdat_header.Ident[i] <> header_ident1_pc[i] then
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| 123 | header_pc := False;
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| 124 | if Fdat_header.Ident[i] <> header_ident1_mac[i] then
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| 125 | header_mac := False;
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| 126 | if Fdat_header.Ident[i] <> header_ident1_macbeta[i] then
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| 127 | header_macbeta := False;
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| 128 | end;
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| 129 | if not (header_pc xor header_mac xor header_macbeta) then
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| 130 | begin
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| 131 | Msg := SM_IncompatibleFile;
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| 132 | Exit;
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| 133 | end
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| 134 | else
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| 135 | begin
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| 136 | if (header_pc and not header_mac and not header_macbeta) then
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| 137 | FDataOS := DOS_WIN
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| 138 | else if (not header_pc and header_mac and not header_macbeta) then
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| 139 | FDataOS := DOS_MAC
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| 140 | else if (not header_pc and not header_mac and header_macbeta) then
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| 141 | FDataOS := DOS_MACBETA;
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| 142 | end;
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| 143 | SetLength(Fdat_filesmap, Fdat_header.Files);
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| 144 | SetLength(Fdat_files, Fdat_header.Files);
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| 145 | for i := 0 to Fdat_header.Files - 1 do
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| 146 | Fdat_file.Read(Fdat_filesmap[i], SizeOf(Fdat_filesmap[i]));
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| 147 | for i := 0 to Fdat_header.Files - 1 do
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| 148 | begin
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| 149 | Fdat_files[i].ID := i;
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| 150 | Fdat_files[i].Extension := Fdat_filesmap[i].Extension;
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| 151 | Fdat_files[i].Extension := ReverseString(Fdat_files[i].Extension);
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| 152 | Fdat_files[i].Size := Fdat_filesmap[i].FileSize;
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| 153 | Fdat_files[i].FileType := Fdat_filesmap[i].FileType;
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| 154 | Fdat_files[i].DatAddr := Fdat_filesmap[i].DataAddr - 8 + Fdat_header.DataAddr;
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| 155 | if (Fdat_filesmap[i].FileType and $01) = 0 then
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| 156 | begin
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| 157 | Fdat_file.Seek(Fdat_filesmap[i].NameAddr + Fdat_header.NamesAddr, soFromBeginning);
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| 158 | SetLength(Fdat_files[i].Name, 100);
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| 159 | Fdat_file.Read(Fdat_files[i].Name[1], 100);
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| 160 | Fdat_files[i].Name := MidStr(Fdat_files[i].Name, 1 + 4, Pos(
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| 161 | #0, Fdat_files[i].Name) - 1 - 4);
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| 162 | end
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| 163 | else
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| 164 | begin
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| 165 | Fdat_files[i].Name := '';
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| 166 | end;
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| 167 | end;
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| 168 | Fdat_file.Seek($40 + Fdat_header.Files * $14, soFromBeginning);
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| 169 | SetLength(Fdat_namedfilesmap, Fdat_header.NamedFiles);
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| 170 | for i := 0 to Fdat_header.NamedFiles - 1 do
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| 171 | Fdat_file.Read(Fdat_namedfilesmap[i], SizeOf(Fdat_namedfilesmap[i]));
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| 172 |
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| 173 | Fdat_file.Seek($40 + Fdat_header.Files * $14 + Fdat_header.NamedFiles * $8, soFromBeginning);
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| 174 | SetLength(Fdat_extensionsmap, Fdat_header.Extensions);
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| 175 | for i := 0 to Fdat_header.Extensions - 1 do
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| 176 | Fdat_file.Read(Fdat_extensionsmap[i], SizeOf(Fdat_extensionsmap[i]));
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| 177 |
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| 178 | Fdat_file.Seek(Fdat_files[0].DatAddr + 7, soFromBeginning);
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| 179 | Fdat_file.Read(FLevelNumber, 1);
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| 180 | FLevelNumber := FLevelNumber div 2;
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| 181 |
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| 182 | Fdat_file.Free;
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| 183 |
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| 184 | Msg := SM_OK;
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| 185 | FBackend := DB_ONI;
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| 186 | FConnectionID := ConnectionID;
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| 187 | FChangeRights := [CR_EditDat, CR_EditRaw, CR_AppendRaw];
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| 188 | end;
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| 189 |
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| 190 |
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| 191 |
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| 192 |
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| 193 | procedure TAccess_OniArchive.Close;
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| 194 | begin
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| 195 | if FDatOpened then
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| 196 | Fdat_file.Free;
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| 197 | if FRawOpened then
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| 198 | Fraw_file.Free;
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| 199 | if FSepOpened then
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| 200 | Fsep_file.Free;
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| 201 | Self.Free;
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| 202 | end;
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| 203 |
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| 204 |
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| 205 |
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| 206 |
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| 207 | function TAccess_OniArchive.GetFileInfo(fileid: Integer): TFileInfo;
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| 208 | begin
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| 209 | if fileid = -1 then
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| 210 | begin
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| 211 | Result := inherited GetFileInfo(fileid);
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| 212 | Exit;
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| 213 | end;
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| 214 | if fileid < Self.GetFileCount then
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| 215 | Result := Fdat_files[fileid]
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| 216 | else
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| 217 | Result.ID := -1;
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| 218 | end;
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| 219 |
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| 220 |
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| 221 |
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| 222 |
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| 223 | function TAccess_OniArchive.GetFilesList(ext: String; pattern: String;
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| 224 | NoEmptyFiles: Boolean; SortType: TSortType): TStrings;
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| 225 | var
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| 226 | i: Integer;
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| 227 | list: TStringList;
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| 228 | id, name, extension: String;
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| 229 | fields: TStrings;
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| 230 |
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| 231 | procedure getfields;
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| 232 | begin
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| 233 | fields.CommaText := StringReplace(AnsiQuotedStr(list.Strings[i], '"'), ';', '","', [rfReplaceAll]);
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| 234 | if SortType in [ST_IDAsc, ST_IDDesc] then
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| 235 | begin
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| 236 | id := fields.Strings[0];
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| 237 | name := fields.Strings[1];
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| 238 | extension := fields.Strings[2];
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| 239 | end;
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| 240 | if SortType in [ST_NameAsc, ST_NameDesc] then
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| 241 | begin
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| 242 | id := fields.Strings[1];
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| 243 | name := fields.Strings[0];
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| 244 | extension := fields.Strings[2];
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| 245 | end;
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| 246 | if SortType in [ST_ExtAsc, ST_ExtDesc] then
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| 247 | begin
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| 248 | id := fields.Strings[1];
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| 249 | name := fields.Strings[2];
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| 250 | extension := fields.Strings[0];
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| 251 | end;
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| 252 | end;
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| 253 |
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| 254 | begin
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| 255 | list := TStringList.Create;
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| 256 | list.Sorted := True;
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| 257 | for i := 0 to GetFileCount - 1 do
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| 258 | begin
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| 259 | if ((Length(ext) = 0) or (Pos(Fdat_files[i].Extension, ext) > 0)) and
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| 260 | ((Length(pattern) = 0) or
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| 261 | (Pos(UpperCase(pattern), UpperCase(Fdat_files[i].Name)) > 0)) then
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| 262 | begin
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| 263 | if (NoEmptyFiles = False) or ((Fdat_files[i].FileType and $02) = 0) then
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| 264 | begin
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| 265 | if AppSettings.FilenumbersAsHex then
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| 266 | id := IntToHex(Fdat_files[i].ID, 4)
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| 267 | else
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| 268 | id := FormatNumber(Fdat_files[i].ID, 5, '0');
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| 269 | name := Fdat_files[i].Name;
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| 270 | extension := Fdat_files[i].Extension;
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| 271 |
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| 272 | case SortType of
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| 273 | ST_IDAsc, ST_IDDesc: list.Add(id + ';' + name + ';' + extension);
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| 274 | ST_NameAsc, ST_NameDesc: list.Add(name + ';' + id + ';' + extension);
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| 275 | ST_ExtAsc, ST_ExtDesc: list.Add(extension + ';' + id + ';' + name);
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| 276 | end;
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| 277 | end;
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| 278 | end;
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| 279 | end;
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| 280 | Result := TStringList.Create;
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| 281 | if list.Count > 0 then
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| 282 | begin
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| 283 | fields := TStringList.Create;
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| 284 | if SortType in [ST_IDAsc, ST_NameAsc, ST_ExtAsc] then
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| 285 | for i := 0 to list.Count - 1 do
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| 286 | begin
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| 287 | getfields;
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| 288 | Result.Add(id + '-' + name + '.' + extension);
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| 289 | end
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| 290 | else
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| 291 | for i := list.Count - 1 downto 0 do
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| 292 | begin
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| 293 | getfields;
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| 294 | Result.Add(id + '-' + name + '.' + extension);
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| 295 | end;
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| 296 | fields.Free;
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| 297 | end;
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| 298 | list.Free;
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| 299 | end;
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| 300 |
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| 301 |
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| 302 |
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| 303 |
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| 304 | function TAccess_OniArchive.GetFileCount: Integer;
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| 305 | begin
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| 306 | Result := Length(Fdat_files);
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| 307 | end;
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| 308 |
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| 309 |
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| 310 |
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| 311 |
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| 312 | function TAccess_OniArchive.GetExtensionsList(ExtListFormat: TExtensionFormat): TStrings;
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| 313 | var
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| 314 | i: Integer;
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| 315 | begin
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| 316 | Result := TStringList.Create;
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| 317 | for i := 0 to Length(Fdat_extensionsmap) - 1 do
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| 318 | begin
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| 319 | with Fdat_extensionsmap[i] do
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| 320 | begin
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| 321 | case ExtListFormat of
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| 322 | EF_ExtOnly:
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| 323 | Result.Add(Extension[3] + Extension[2] + Extension[1] + Extension[0]);
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| 324 | EF_ExtCount:
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| 325 | Result.Add(Extension[3] + Extension[2] + Extension[1] + Extension[0] +
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| 326 | ' (' + IntToStr(ExtCount) + ')');
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| 327 | end;
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| 328 | end;
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| 329 | end;
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| 330 | end;
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| 331 |
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| 332 |
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| 333 |
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| 334 | procedure TAccess_OniArchive.LoadDatFile(FileID: Integer; var Target: TStream);
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| 335 | var
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| 336 | streampos: Integer;
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| 337 | begin
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| 338 | if fileid < GetFileCount then
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| 339 | begin
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| 340 | if not Assigned(Target) then
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| 341 | Target := TMemoryStream.Create;
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| 342 | if not FDatOpened then
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| 343 | Fdat_file := TFileStream.Create(FFileName, fmOpenReadWrite);
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| 344 | Fdat_file.Seek(Fdat_files[fileid].DatAddr, soFromBeginning);
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| 345 | streampos := Target.Position;
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| 346 | Target.CopyFrom(Fdat_file, Fdat_files[fileid].Size);
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| 347 | Target.Seek(streampos, soFromBeginning);
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| 348 | if UnloadWhenUnused then
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| 349 | begin
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| 350 | Fdat_file.Free;
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| 351 | FDatOpened := False;
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| 352 | end
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| 353 | else
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| 354 | FDatOpened := True;
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| 355 | end;
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| 356 | end;
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| 357 |
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| 358 | procedure TAccess_OniArchive.UpdateDatFile(FileID: Integer; Src: TStream);
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| 359 | begin
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| 360 | if fileid < GetFileCount then
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| 361 | begin
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| 362 | if not FDatOpened then
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| 363 | Fdat_file := TFileStream.Create(FFileName, fmOpenReadWrite);
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| 364 | Fdat_file.Seek(Fdat_files[fileid].DatAddr, soFromBeginning);
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| 365 | Fdat_file.CopyFrom(Src, Fdat_files[fileid].Size);
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| 366 | if UnloadWhenUnused then
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| 367 | begin
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| 368 | Fdat_file.Free;
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| 369 | FDatOpened := False;
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| 370 | end
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| 371 | else
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| 372 | FDatOpened := True;
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| 373 | end;
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| 374 | end;
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| 375 |
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| 376 | procedure TAccess_OniArchive.LoadDatFilePart(FileID, Offset, Size: Integer; var Target: TStream);
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| 377 | var
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| 378 | streampos: Integer;
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| 379 | begin
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| 380 | if fileid < GetFileCount then
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| 381 | begin
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| 382 | if not Assigned(Target) then
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| 383 | Target := TMemoryStream.Create;
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| 384 | if not FDatOpened then
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| 385 | Fdat_file := TFileStream.Create(FFileName, fmOpenReadWrite);
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| 386 | Fdat_file.Seek(Fdat_files[fileid].DatAddr + offset, soFromBeginning);
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| 387 | streampos := Target.Position;
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| 388 | Target.CopyFrom(Fdat_file, size);
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| 389 | Target.Seek(streampos, soFromBeginning);
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| 390 | if UnloadWhenUnused then
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| 391 | begin
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| 392 | FDatOpened := False;
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| 393 | Fdat_file.Free;
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| 394 | end
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|---|
| 395 | else
|
|---|
| 396 | FDatOpened := True;
|
|---|
| 397 | end;
|
|---|
| 398 | end;
|
|---|
| 399 |
|
|---|
| 400 | procedure TAccess_OniArchive.UpdateDatFilePart(FileID, Offset, Size: Integer; Src: TStream);
|
|---|
| 401 | begin
|
|---|
| 402 | if fileid < GetFileCount then
|
|---|
| 403 | begin
|
|---|
| 404 | if not FDatOpened then
|
|---|
| 405 | Fdat_file := TFileStream.Create(FFileName, fmOpenReadWrite);
|
|---|
| 406 | Fdat_file.Seek(Fdat_files[fileid].DatAddr + offset, soFromBeginning);
|
|---|
| 407 | Fdat_file.CopyFrom(Src, Size);
|
|---|
| 408 | if UnloadWhenUnused then
|
|---|
| 409 | begin
|
|---|
| 410 | Fdat_file.Free;
|
|---|
| 411 | FDatOpened := False;
|
|---|
| 412 | end
|
|---|
| 413 | else
|
|---|
| 414 | FDatOpened := True;
|
|---|
| 415 | end;
|
|---|
| 416 | end;
|
|---|
| 417 |
|
|---|
| 418 |
|
|---|
| 419 |
|
|---|
| 420 | function TAccess_OniArchive.GetRawList(FileID: Integer): TRawDataList;
|
|---|
| 421 | begin
|
|---|
| 422 | Result := RawLists.GetRawList(FConnectionID, FileID);
|
|---|
| 423 | end;
|
|---|
| 424 |
|
|---|
| 425 |
|
|---|
| 426 | function TAccess_OniArchive.GetRawInfo(FileID, DatOffset: Integer): TRawDataInfo;
|
|---|
| 427 | begin
|
|---|
| 428 | Result := RawLists.GetRawInfo(FConnectionID, FileID, DatOffset);
|
|---|
| 429 | end;
|
|---|
| 430 |
|
|---|
| 431 |
|
|---|
| 432 |
|
|---|
| 433 |
|
|---|
| 434 | procedure TAccess_OniArchive.LoadRawOffset(LocSep: Boolean; RawAddr, Size: Integer; target: Pointer);
|
|---|
| 435 | begin
|
|---|
| 436 | if not LocSep then
|
|---|
| 437 | begin
|
|---|
| 438 | if not FRawOpened then
|
|---|
| 439 | Fraw_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.raw'),
|
|---|
| 440 | fmOpenReadWrite);
|
|---|
| 441 | if RawAddr <= Fraw_file.Size then
|
|---|
| 442 | begin
|
|---|
| 443 | Fraw_file.Seek(RawAddr, soFromBeginning);
|
|---|
| 444 | Fraw_file.Read(target^, size);
|
|---|
| 445 | end;
|
|---|
| 446 | if UnloadWhenUnused then
|
|---|
| 447 | begin
|
|---|
| 448 | FRawOpened := False;
|
|---|
| 449 | Fraw_file.Free;
|
|---|
| 450 | end
|
|---|
| 451 | else
|
|---|
| 452 | FRawOpened := True;
|
|---|
| 453 | end
|
|---|
| 454 | else
|
|---|
| 455 | begin
|
|---|
| 456 | if not FSepOpened then
|
|---|
| 457 | Fsep_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.sep'),
|
|---|
| 458 | fmOpenReadWrite);
|
|---|
| 459 | if RawAddr <= Fsep_file.Size then
|
|---|
| 460 | begin
|
|---|
| 461 | Fsep_file.Seek(RawAddr, soFromBeginning);
|
|---|
| 462 | Fsep_file.Read(target^, size);
|
|---|
| 463 | end;
|
|---|
| 464 | if UnloadWhenUnused then
|
|---|
| 465 | begin
|
|---|
| 466 | FSepOpened := False;
|
|---|
| 467 | Fsep_file.Free;
|
|---|
| 468 | end
|
|---|
| 469 | else
|
|---|
| 470 | FSepOpened := True;
|
|---|
| 471 | end;
|
|---|
| 472 | end;
|
|---|
| 473 |
|
|---|
| 474 | procedure TAccess_OniArchive.LoadRawFile(FileID, DatOffset: Integer; var Target: TStream);
|
|---|
| 475 | var
|
|---|
| 476 | raw_info: TRawDataInfo;
|
|---|
| 477 | streampos: Integer;
|
|---|
| 478 | begin
|
|---|
| 479 | if not Assigned(Target) then
|
|---|
| 480 | Target := TMemoryStream.Create;
|
|---|
| 481 | if fileid < GetFileCount then
|
|---|
| 482 | begin
|
|---|
| 483 | raw_info := Self.GetRawInfo(FileID, DatOffset);
|
|---|
| 484 | if not raw_info.LocSep then
|
|---|
| 485 | begin
|
|---|
| 486 | if not FRawOpened then
|
|---|
| 487 | Fraw_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.raw'),
|
|---|
| 488 | fmOpenReadWrite);
|
|---|
| 489 | Fraw_file.Seek(raw_info.RawAddr, soFromBeginning);
|
|---|
| 490 | streampos := Target.Position;
|
|---|
| 491 | Target.CopyFrom(Fraw_file, raw_info.RawSize);
|
|---|
| 492 | Target.Seek(streampos, soFromBeginning);
|
|---|
| 493 | if UnloadWhenUnused then
|
|---|
| 494 | begin
|
|---|
| 495 | FRawOpened := False;
|
|---|
| 496 | Fraw_file.Free;
|
|---|
| 497 | end
|
|---|
| 498 | else
|
|---|
| 499 | FRawOpened := True;
|
|---|
| 500 | end
|
|---|
| 501 | else
|
|---|
| 502 | begin
|
|---|
| 503 | if FUnloadWhenUnused or not FSepOpened then
|
|---|
| 504 | Fsep_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.sep'),
|
|---|
| 505 | fmOpenReadWrite);
|
|---|
| 506 | Fsep_file.Seek(raw_info.RawAddr, soFromBeginning);
|
|---|
| 507 | streampos := Target.Position;
|
|---|
| 508 | Target.CopyFrom(Fsep_file, raw_info.RawSize);
|
|---|
| 509 | Target.Seek(streampos, soFromBeginning);
|
|---|
| 510 | if UnloadWhenUnused then
|
|---|
| 511 | begin
|
|---|
| 512 | FSepOpened := False;
|
|---|
| 513 | Fsep_file.Free;
|
|---|
| 514 | end
|
|---|
| 515 | else
|
|---|
| 516 | FSepOpened := True;
|
|---|
| 517 | end;
|
|---|
| 518 | end;
|
|---|
| 519 | end;
|
|---|
| 520 |
|
|---|
| 521 | procedure TAccess_OniArchive.UpdateRawFile(FileID, DatOffset: Integer; Src: TStream);
|
|---|
| 522 | var
|
|---|
| 523 | raw_info: TRawDataInfo;
|
|---|
| 524 | begin
|
|---|
| 525 | if fileid < GetFileCount then
|
|---|
| 526 | begin
|
|---|
| 527 | raw_info := GetRawInfo(FileID, DatOffset);
|
|---|
| 528 | if not raw_info.LocSep then
|
|---|
| 529 | begin
|
|---|
| 530 | if not FRawOpened then
|
|---|
| 531 | Fraw_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.raw'),
|
|---|
| 532 | fmOpenReadWrite);
|
|---|
| 533 | Fraw_file.Seek(raw_info.RawAddr, soFromBeginning);
|
|---|
| 534 | Fraw_file.CopyFrom(Src, raw_info.RawSize);
|
|---|
| 535 | if UnloadWhenUnused then
|
|---|
| 536 | begin
|
|---|
| 537 | FRawOpened := False;
|
|---|
| 538 | Fraw_file.Free;
|
|---|
| 539 | end
|
|---|
| 540 | else
|
|---|
| 541 | FRawOpened := True;
|
|---|
| 542 | end
|
|---|
| 543 | else
|
|---|
| 544 | begin
|
|---|
| 545 | if not FSepOpened then
|
|---|
| 546 | Fsep_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.sep'),
|
|---|
| 547 | fmOpenReadWrite);
|
|---|
| 548 | Fsep_file.Seek(raw_info.RawAddr, soFromBeginning);
|
|---|
| 549 | Fsep_file.CopyFrom(Src, raw_info.RawSize);
|
|---|
| 550 | if UnloadWhenUnused then
|
|---|
| 551 | begin
|
|---|
| 552 | FSepOpened := False;
|
|---|
| 553 | Fsep_file.Free;
|
|---|
| 554 | end
|
|---|
| 555 | else
|
|---|
| 556 | FSepOpened := True;
|
|---|
| 557 | end;
|
|---|
| 558 | end;
|
|---|
| 559 | end;
|
|---|
| 560 |
|
|---|
| 561 | procedure TAccess_OniArchive.LoadRawFilePart(FileID, DatOffset, Offset, Size: Integer; var Target: TStream);
|
|---|
| 562 | var
|
|---|
| 563 | Data: TStream;
|
|---|
| 564 | streampos: Integer;
|
|---|
| 565 | begin
|
|---|
| 566 | if not Assigned(Target) then
|
|---|
| 567 | Target := TMemoryStream.Create;
|
|---|
| 568 | if fileid < Self.GetFileCount then
|
|---|
| 569 | begin
|
|---|
| 570 | data := nil;
|
|---|
| 571 | LoadRawFile(FileID, DatOffset, Data);
|
|---|
| 572 | Data.Seek(Offset, soFromBeginning);
|
|---|
| 573 | streampos := Target.Position;
|
|---|
| 574 | Target.CopyFrom(Data, Size);
|
|---|
| 575 | Target.Seek(streampos, soFromBeginning);
|
|---|
| 576 | end;
|
|---|
| 577 | end;
|
|---|
| 578 |
|
|---|
| 579 | procedure TAccess_OniArchive.UpdateRawFilePart(FileID, DatOffset, Offset, Size: Integer; Src: TStream);
|
|---|
| 580 | var
|
|---|
| 581 | raw_info: TRawDataInfo;
|
|---|
| 582 | begin
|
|---|
| 583 | if fileid < GetFileCount then
|
|---|
| 584 | begin
|
|---|
| 585 | raw_info := GetRawInfo(FileID, DatOffset);
|
|---|
| 586 | if not raw_info.LocSep then
|
|---|
| 587 | begin
|
|---|
| 588 | if not FRawOpened then
|
|---|
| 589 | Fraw_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.raw'),
|
|---|
| 590 | fmOpenReadWrite);
|
|---|
| 591 | Fraw_file.Seek(raw_info.RawAddr + Offset, soFromBeginning);
|
|---|
| 592 | Fraw_file.CopyFrom(Src, Size);
|
|---|
| 593 | if UnloadWhenUnused then
|
|---|
| 594 | begin
|
|---|
| 595 | FRawOpened := False;
|
|---|
| 596 | Fraw_file.Free;
|
|---|
| 597 | end
|
|---|
| 598 | else
|
|---|
| 599 | FRawOpened := True;
|
|---|
| 600 | end
|
|---|
| 601 | else
|
|---|
| 602 | begin
|
|---|
| 603 | if not FSepOpened then
|
|---|
| 604 | Fsep_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.sep'),
|
|---|
| 605 | fmOpenReadWrite);
|
|---|
| 606 | Fsep_file.Seek(raw_info.RawAddr + Offset, soFromBeginning);
|
|---|
| 607 | Fsep_file.CopyFrom(Src, Size);
|
|---|
| 608 | if UnloadWhenUnused then
|
|---|
| 609 | begin
|
|---|
| 610 | FSepOpened := False;
|
|---|
| 611 | Fsep_file.Free;
|
|---|
| 612 | end
|
|---|
| 613 | else
|
|---|
| 614 | FSepOpened := True;
|
|---|
| 615 | end;
|
|---|
| 616 | end;
|
|---|
| 617 | end;
|
|---|
| 618 |
|
|---|
| 619 | function TAccess_OniArchive.AppendRawFile(LocSep: Boolean; Src: TStream): Integer;
|
|---|
| 620 | begin
|
|---|
| 621 | if not LocSep then
|
|---|
| 622 | begin
|
|---|
| 623 | if not FRawOpened then
|
|---|
| 624 | Fraw_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.raw'),
|
|---|
| 625 | fmOpenReadWrite);
|
|---|
| 626 | Result := Fraw_file.Size;
|
|---|
| 627 | Fraw_file.Seek(0, soFromEnd);
|
|---|
| 628 | Fraw_file.CopyFrom(Src, Src.Size);
|
|---|
| 629 | if UnloadWhenUnused then
|
|---|
| 630 | begin
|
|---|
| 631 | FRawOpened := False;
|
|---|
| 632 | Fraw_file.Free;
|
|---|
| 633 | end
|
|---|
| 634 | else
|
|---|
| 635 | FRawOpened := True;
|
|---|
| 636 | end
|
|---|
| 637 | else
|
|---|
| 638 | begin
|
|---|
| 639 | if not FSepOpened then
|
|---|
| 640 | Fsep_file := TFileStream.Create(AnsiReplaceStr(FFileName, '.dat', '.sep'),
|
|---|
| 641 | fmOpenReadWrite);
|
|---|
| 642 | Result := Fsep_file.Size;
|
|---|
| 643 | Fsep_file.Seek(0, soFromEnd);
|
|---|
| 644 | Fsep_file.CopyFrom(Src, Src.Size);
|
|---|
| 645 | if UnloadWhenUnused then
|
|---|
| 646 | begin
|
|---|
| 647 | FSepOpened := False;
|
|---|
| 648 | Fsep_file.Free;
|
|---|
| 649 | end
|
|---|
| 650 | else
|
|---|
| 651 | FSepOpened := True;
|
|---|
| 652 | end;
|
|---|
| 653 | end;
|
|---|
| 654 |
|
|---|
| 655 | end.
|
|---|
