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