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Rev | Author | Line No. | Line |
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733 | daniel-mar | 1 | unit OIDFILE; |
2 | |||
3 | (************************************************) |
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4 | (* OIDFILE.PAS *) |
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5 | (* Author: Daniel Marschall *) |
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734 | daniel-mar | 6 | (* Revision: 2022-02-14 *) |
733 | daniel-mar | 7 | (* License: Apache 2.0 *) |
8 | (* This file contains: *) |
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9 | (* - Functions to handle an OID ASCII format *) |
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10 | (************************************************) |
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11 | |||
12 | interface |
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13 | |||
14 | uses |
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15 | StrList; |
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16 | |||
17 | type |
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18 | POID = ^TOID; |
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19 | TOID = record |
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20 | FileId: string; |
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21 | DotNotation: string; |
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22 | ASNIds: PStringList; |
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23 | Description: string; |
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734 | daniel-mar | 24 | SubIds: PStringList; (* first 8 chars are FileId, followed by Dot-Notation *) |
25 | Parent: string; (* First 8 chars are FileId, followed by Dot-Notation *) |
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733 | daniel-mar | 26 | end; |
27 | |||
735 | daniel-mar | 28 | procedure CreateOidDef(var oid: POid); |
733 | daniel-mar | 29 | procedure FreeOidDef(oid: POid); |
734 | daniel-mar | 30 | procedure ClearOidDef(oid: POid); |
733 | daniel-mar | 31 | procedure WriteOidFile(filename: string; oid: POid); |
32 | procedure ReadOidFile(filename: string; oid: POid); |
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33 | |||
735 | daniel-mar | 34 | (* For the fields "SubIds" and "Parent" *) |
35 | function FileIdPart(s: string): string; |
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36 | function DotNotationPart(s: string): string; |
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37 | |||
733 | daniel-mar | 38 | implementation |
39 | |||
40 | uses |
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41 | VtsFuncs; |
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42 | |||
43 | const |
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44 | WANT_VERS = '2022'; |
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45 | |||
735 | daniel-mar | 46 | procedure CreateOidDef(var oid: POid); |
734 | daniel-mar | 47 | begin |
735 | daniel-mar | 48 | GetMem(oid, SizeOf(TOID)); |
734 | daniel-mar | 49 | oid^.FileId := ''; |
50 | oid^.DotNotation := ''; |
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51 | oid^.Description := ''; |
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52 | oid^.Parent := ''; |
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735 | daniel-mar | 53 | CreateList(oid^.ASNIds); |
54 | CreateList(oid^.SubIds); |
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734 | daniel-mar | 55 | end; |
56 | |||
733 | daniel-mar | 57 | procedure FreeOidDef(oid: POid); |
58 | begin |
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59 | FreeList(oid^.ASNIds); |
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60 | FreeList(oid^.SubIds); |
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735 | daniel-mar | 61 | FreeMem(oid, SizeOf(TOID)); |
733 | daniel-mar | 62 | end; |
63 | |||
734 | daniel-mar | 64 | procedure ClearOidDef(oid: POid); |
65 | begin |
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66 | FreeOidDef(oid); |
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735 | daniel-mar | 67 | CreateOidDef(oid); |
734 | daniel-mar | 68 | end; |
69 | |||
733 | daniel-mar | 70 | procedure WriteOidFile(filename: string; oid: POid); |
71 | var |
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72 | f: Text; |
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73 | i: integer; |
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74 | lines: PStringList; |
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75 | sTmp: string; |
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76 | desc: string; |
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77 | begin |
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78 | Assign(f, filename); |
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79 | Rewrite(f); |
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80 | |||
81 | WriteLn(f,'VERS' + WANT_VERS); |
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82 | |||
83 | WriteLn(f,'SELF' + oid^.FileId + oid^.DotNotation); |
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84 | |||
85 | WriteLn(f,'SUPR' + oid^.Parent); |
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86 | |||
87 | for i := 0 to ListCount(oid^.SubIds)-1 do |
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88 | begin |
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89 | sTmp := ListGetElement(oid^.SubIds, i); |
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90 | WriteLn(f, 'CHLD' + sTmp); |
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91 | end; |
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92 | |||
93 | for i := 0 to ListCount(oid^.AsnIds)-1 do |
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94 | begin |
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95 | sTmp := ListGetElement(oid^.AsnIds, i); |
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96 | WriteLn(f, 'ASN1' + sTmp); |
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97 | end; |
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98 | |||
99 | desc := Trim(oid^.Description); |
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100 | if desc <> '' then |
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101 | begin |
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735 | daniel-mar | 102 | CreateList(lines); |
733 | daniel-mar | 103 | SplitStrToList(desc, lines, #13#10); |
104 | for i := 0 to ListCount(lines)-1 do |
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105 | begin |
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106 | sTmp := ListGetElement(lines, i); |
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107 | WriteLn(f, 'DESC' + sTmp); |
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108 | end; |
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109 | FreeList(lines); |
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110 | end; |
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111 | |||
112 | Close(f); |
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113 | end; |
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114 | |||
115 | procedure ReadOidFile(filename: string; oid: POid); |
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116 | var |
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117 | f: Text; |
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118 | line, cmd: string; |
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119 | version: string; |
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120 | begin |
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734 | daniel-mar | 121 | ClearOidDef(oid); |
733 | daniel-mar | 122 | version := ''; |
123 | |||
124 | Assign(f, filename); |
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125 | Reset(f); |
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126 | while not EOF(f) do |
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127 | begin |
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128 | ReadLn(f, line); |
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129 | cmd := Copy(line,1,4); |
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130 | Delete(line,1,4); |
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131 | |||
132 | if cmd = 'VERS' then |
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133 | begin |
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134 | version := line; |
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135 | end; |
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136 | |||
137 | if cmd = 'SELF' then |
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138 | begin |
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139 | oid^.FileId := Copy(line,1,8); |
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140 | Delete(line,1,8); |
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141 | oid^.DotNotation := line; |
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142 | end; |
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143 | |||
144 | if cmd = 'SUPR' then |
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145 | begin |
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146 | oid^.Parent := line; |
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147 | end; |
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148 | |||
149 | if cmd = 'CHLD' then |
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150 | begin |
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151 | ListAppend(oid^.SubIds, line); |
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152 | end; |
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153 | |||
154 | if cmd = 'ASN1' then |
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155 | begin |
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156 | ListAppend(oid^.ASNIds, line); |
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157 | end; |
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158 | |||
159 | if cmd = 'DESC' then |
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160 | begin |
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161 | oid^.Description := oid^.Description + line + #13#10; |
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162 | end; |
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163 | end; |
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164 | |||
165 | (* Remove last CRLF *) |
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166 | oid^.Description := Copy(oid^.Description, 1, Length(oid^.Description)-Length(#13#10)); |
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167 | |||
168 | (* Check if something is not correct *) |
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169 | if (version <> WANT_VERS) or (oid^.FileId = '') then |
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170 | begin |
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171 | (* Invalidate everything *) |
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734 | daniel-mar | 172 | ClearOidDef(oid); |
733 | daniel-mar | 173 | end; |
174 | |||
175 | Close(f); |
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176 | end; |
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177 | |||
735 | daniel-mar | 178 | function FileIdPart(s: string): string; |
179 | begin |
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180 | FileIdPart := Copy(s,1,8); |
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181 | end; |
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182 | |||
183 | function DotNotationPart(s: string): string; |
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184 | begin |
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185 | Delete(s,1,8); |
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186 | DotNotationPart := s; |
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187 | end; |
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188 | |||
733 | daniel-mar | 189 | end. |