1 | unit DatStructureLoader; |
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2 | |
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3 | interface |
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4 | |
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5 | type |
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6 | TStructureEntry = record |
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7 | Name: String; |
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8 | offset: Integer; |
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9 | datatype: Word; |
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10 | // 1..4 : Integer[1..4] dec |
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11 | // 5..8 : Integer[1..4] hex |
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12 | // 9 : float |
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13 | // 10 : bitset |
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14 | // 11 : raw-addr |
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15 | // 12 : untyped-dat-file-ID-link |
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16 | // 13..16: Signed Integer[1..4] |
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17 | // 17 : level-ID |
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18 | // 100..300: dat-file-name[0..200] |
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19 | // 501..614: typed-dat-file-ID-link |
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20 | // 1000..9999: Unused data[0-8999] |
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21 | // 10000+: string[0+] |
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22 | description: String; |
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23 | end; |
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24 | |
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25 | TStructDefSub = record |
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26 | SubName: String; |
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27 | SubDesc: String; |
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28 | Entries: array of TStructureEntry; |
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29 | end; |
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30 | |
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31 | TStructDef = record |
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32 | Data: Boolean; |
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33 | Global: array of TStructureEntry; |
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34 | Subs: array of TStructDefSub; |
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35 | end; |
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36 | |
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37 | |
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38 | function LoadStructureDefinition(ConnectionID, FileID: Integer): TStructDef; |
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39 | function GetDataType(TypeID: Word): String; |
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40 | function GetDataTypeLength(DataType: Word): Word; |
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41 | |
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42 | implementation |
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43 | |
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44 | uses |
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45 | SysUtils, Classes, Functions, ConnectionManager, TypeDefs, Forms, StrUtils, Data; |
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46 | |
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47 | type |
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48 | TStringArray = array of String; |
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49 | |
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50 | function GetDataTypeLength(DataType: Word): Word; |
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51 | begin |
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52 | case datatype of |
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53 | 1..4: |
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54 | Result := datatype; |
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55 | 5..8: |
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56 | Result := datatype - 4; |
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57 | 9: |
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58 | Result := 4; |
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59 | 10: |
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60 | Result := 1; |
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61 | 11: |
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62 | Result := 4; |
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63 | 12: |
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64 | Result := 4; |
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65 | 13..16: |
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66 | Result := datatype - 12; |
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67 | 17: |
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68 | Result := 4; |
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69 | 100..300: |
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70 | Result := datatype - 100; |
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71 | 500..614: |
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72 | Result := 4; |
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73 | 1000..9999: |
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74 | Result := datatype - 1000; |
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75 | 10000..65535: |
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76 | Result := datatype - 10000; |
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77 | end; |
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78 | end; |
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79 | |
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80 | |
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81 | |
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82 | function GetDataType(typeid: Word): String; |
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83 | begin |
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84 | case typeid of |
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85 | 1..4: |
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86 | Result := 'Int' + IntToStr(typeid * 8); |
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87 | 5..8: |
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88 | Result := 'Int' + IntToStr((typeid - 4) * 8); |
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89 | 9: |
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90 | Result := 'Float'; |
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91 | 10: |
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92 | Result := 'BitSet'; |
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93 | 11: |
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94 | Result := 'Raw-Address'; |
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95 | 12: |
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96 | Result := '.dat-file-ID'; |
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97 | 13..16: |
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98 | Result := 'SignedInt' + IntToStr((typeid - 12) * 8); |
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99 | 17: |
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100 | Result := 'LevelID'; |
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101 | 100..300: |
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102 | Result := '.dat-file-name(' + IntToStr(typeid - 100) + ')'; |
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103 | 1000..9999: |
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104 | Result := 'Unused(' + IntToStr(typeid - 1000) + ')'; |
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105 | 10000..65535: |
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106 | Result := 'String(' + IntToStr(typeid - 10000) + ')'; |
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107 | end; |
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108 | end; |
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109 | |
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110 | |
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111 | |
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112 | function Explode(_string: String; delimiter: Char): TStringArray; |
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113 | var |
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114 | start, len: Word; |
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115 | begin |
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116 | SetLength(Result, 0); |
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117 | start := 1; |
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118 | while PosEx(delimiter, _string, start) > 0 do |
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119 | begin |
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120 | SetLength(Result, Length(Result) + 1); |
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121 | len := PosEx(delimiter, _string, start) - start; |
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122 | Result[High(Result)] := MidStr(_string, start, len); |
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123 | start := start + len + 1; |
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124 | end; |
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125 | SetLength(Result, Length(Result) + 1); |
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126 | Result[High(Result)] := MidStr(_string, start, Length(_string) - start + 1); |
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127 | end; |
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128 | |
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129 | |
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130 | |
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131 | function LoadStructureDefinition(ConnectionID, FileID: Integer): TStructDef; |
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132 | var |
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133 | current_type: Byte; //0: Global, 1: Undynamic, 2: Dynamic |
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134 | current_base, current_package, current_package_size: Integer; |
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135 | packages: Integer; |
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136 | deffile: Text; |
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137 | structentry: TStructureEntry; |
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138 | fields: TStringArray; |
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139 | filename: String; |
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140 | ext: String[4]; |
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141 | temps: String; |
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142 | Data: TByteData; |
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143 | begin |
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144 | SetLength(Result.Global, 0); |
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145 | SetLength(Result.Subs, 0); |
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146 | Result.Data := False; |
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147 | ext := ConManager.Connection[ConnectionID].GetFileInfo(fileid).Extension; |
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148 | filename := ExtractFilePath(Application.ExeName) + '\StructDefs\' + ext + '.txt'; |
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149 | if FileExists(filename) then |
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150 | begin |
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151 | ConManager.Connection[ConnectionID].LoadDatFile(FileID, Data); |
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152 | AssignFile(deffile, filename); |
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153 | Reset(deffile); |
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154 | current_type := 0; |
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155 | Result.Data := True; |
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156 | if not EOF(deffile) then |
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157 | begin |
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158 | ReadLn(deffile, temps); |
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159 | while not EOF(deffile) do |
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160 | begin |
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161 | ReadLn(deffile, temps); |
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162 | if (Length(temps) > 0) and (temps[1] <> '#') then |
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163 | begin |
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164 | if temps[1] = '*' then |
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165 | begin |
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166 | fields := Explode(temps, #9); |
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167 | case Length(fields) of |
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168 | 1..2: |
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169 | begin |
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170 | current_type := 1; |
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171 | current_base := 0; |
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172 | SetLength(Result.Subs, Length(Result.Subs) + 1); |
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173 | Result.Subs[High(Result.Subs)].SubName := |
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174 | MidStr(fields[0], 2, Length(fields[0]) - 1); |
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175 | if Length(fields) = 2 then |
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176 | Result.Subs[High(Result.Subs)].SubDesc := fields[1]; |
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177 | end; |
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178 | 3: |
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179 | begin |
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180 | current_type := 1; |
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181 | current_base := StrToInt(fields[2]); |
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182 | SetLength(Result.Subs, Length(Result.Subs) + 1); |
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183 | Result.Subs[High(Result.Subs)].SubName := |
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184 | MidStr(fields[0], 2, Length(fields[0]) - 1); |
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185 | Result.Subs[High(Result.Subs)].SubDesc := fields[1]; |
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186 | end; |
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187 | 6: |
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188 | begin |
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189 | current_type := 2; |
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190 | current_base := StrToInt(fields[2]); |
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191 | current_package := 0; |
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192 | current_package_size := StrToInt(fields[5]); |
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193 | if fields[4][1] <> '$' then |
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194 | begin |
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195 | case StrToInt(fields[4]) of |
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196 | 1: |
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197 | packages := Data[StrToInt(fields[3])]; |
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198 | 2: |
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199 | packages := Data[StrToInt(fields[3])] + Data[StrToInt(fields[3]) + 1] * 256; |
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200 | 4: |
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201 | packages := Data[StrToInt(fields[3])] + Data[StrToInt(fields[3]) + 1] * |
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202 | 256 + Data[StrToInt(fields[3]) + 2] * 256 * 256 + Data[StrToInt(fields[3]) + 3] * 256 * 256 * 256; |
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203 | end; |
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204 | end |
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205 | else |
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206 | begin |
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207 | packages := StrToInt(fields[4]); |
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208 | end; |
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209 | SetLength(Result.Subs, Length(Result.Subs) + packages); |
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210 | for current_package := 0 to packages - 1 do |
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211 | begin |
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212 | Result.Subs[High(Result.Subs) - packages + |
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213 | current_package + 1].SubName := |
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214 | MidStr(fields[0], 2, Length(fields[0]) - 1) + |
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215 | '[' + IntToStr(current_package) + ']' + '#' + |
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216 | IntToHex(current_base + current_package * current_package_size, 8) + |
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217 | '#' + IntToHex(current_package_size, 8); |
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218 | Result.Subs[High(Result.Subs) - packages + |
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219 | current_package + 1].SubDesc := |
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220 | fields[1]; |
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221 | end; |
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222 | end; |
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223 | end; |
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224 | end |
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225 | else |
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226 | begin |
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227 | fields := Explode(temps, #9); |
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228 | if (Length(fields) = 3) or (Length(fields) = 4) then |
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229 | begin |
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230 | if not AppSettings.HideUnusedData or |
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231 | ((StrToInt(fields[2]) < 1000) or (StrToInt(fields[2]) > 9999)) then |
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232 | begin |
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233 | structentry.Name := fields[0]; |
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234 | structentry.datatype := StrToInt(fields[2]); |
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235 | if Length(fields) = 4 then |
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236 | structentry.description := fields[3] |
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237 | else |
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238 | structentry.description := ''; |
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239 | if current_type in [0, 1] then |
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240 | begin |
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241 | structentry.offset := StrToInt(fields[1]) + current_base; |
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242 | if Length(Result.Subs) = 0 then |
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243 | begin |
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244 | SetLength(Result.Global, Length(Result.Global) + 1); |
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245 | Result.Global[High(Result.Global)] := structentry; |
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246 | end |
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247 | else |
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248 | begin |
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249 | SetLength(Result.Subs[High(Result.Subs)].Entries, |
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250 | Length(Result.Subs[High(Result.Subs)].Entries) + 1); |
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251 | Result.Subs[High(Result.Subs)].Entries[High( |
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252 | Result.Subs[High(Result.Subs)].Entries)] := structentry; |
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253 | end; |
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254 | end |
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255 | else |
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256 | begin |
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257 | for current_package := 0 to packages - 1 do |
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258 | begin |
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259 | structentry.offset := |
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260 | current_base + current_package * current_package_size + StrToInt(fields[1]); |
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261 | with Result.Subs[High(Result.Subs) - packages + current_package + 1] do |
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262 | begin |
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263 | SetLength(Entries, Length(Entries) + 1); |
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264 | Entries[High(Entries)] := structentry; |
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265 | end; |
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266 | end; |
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267 | end; |
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268 | end; |
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269 | end; |
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270 | end; |
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271 | end; |
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272 | end; |
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273 | end; |
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274 | CloseFile(deffile); |
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275 | end; |
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276 | end; |
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277 | |
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278 | |
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279 | end. |
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