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2 | daniel-mar | 1 | unit Functions; |
2 | |||
3 | interface |
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4 | |||
5 | uses |
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6 | Windows, Messages, SysUtils, StrUtils, IniFiles, Classes, Forms, Variants, MsHTML, |
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8 | daniel-mar | 7 | SHDocVw_TLB, StdCtrls, SynEdit, ActiveX; |
2 | daniel-mar | 8 | |
9 | function GetDosOutput(CommandLine: string; Work: string = ''): string; |
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10 | function StrIPos(const SubStr, S: string): Integer; |
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11 | function LoadFileToStr(const FileName: TFileName): AnsiString; |
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12 | function LastPos(const SubStr, S: string): integer; |
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13 | function IsTextHTML(s: string): boolean; |
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4 | daniel-mar | 14 | function GetWordUnderCaret(AMemo: TSynEdit): string; |
9 | daniel-mar | 15 | function MyVarToStr(v: Variant): string; |
2 | daniel-mar | 16 | |
17 | implementation |
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18 | |||
19 | function GetDosOutput(CommandLine: string; Work: string = ''): string; |
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20 | var |
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21 | SA: TSecurityAttributes; |
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22 | SI: TStartupInfo; |
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23 | PI: TProcessInformation; |
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24 | StdOutPipeRead, StdOutPipeWrite: THandle; |
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25 | WasOK: Boolean; |
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26 | Buffer: array[0..255] of AnsiChar; |
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27 | BytesRead: Cardinal; |
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28 | WorkDir: string; |
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29 | Handle: Boolean; |
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30 | begin |
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31 | if Work = '' then Work := ExtractFilePath(ParamStr(0)); |
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32 | |||
33 | Result := ''; |
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34 | with SA do begin |
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35 | nLength := SizeOf(SA); |
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36 | bInheritHandle := True; |
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37 | lpSecurityDescriptor := nil; |
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38 | end; |
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39 | CreatePipe(StdOutPipeRead, StdOutPipeWrite, @SA, 0); |
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40 | try |
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41 | with SI do |
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42 | begin |
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43 | FillChar(SI, SizeOf(SI), 0); |
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44 | cb := SizeOf(SI); |
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45 | dwFlags := STARTF_USESHOWWINDOW or STARTF_USESTDHANDLES; |
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46 | wShowWindow := SW_HIDE; |
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47 | hStdInput := GetStdHandle(STD_INPUT_HANDLE); // don't redirect stdin |
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48 | hStdOutput := StdOutPipeWrite; |
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49 | hStdError := StdOutPipeWrite; |
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50 | end; |
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51 | WorkDir := Work; |
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52 | Handle := CreateProcess(nil, PChar('cmd.exe /C "' + CommandLine + '"'), |
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53 | nil, nil, True, 0, nil, |
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54 | PChar(WorkDir), SI, PI); |
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55 | CloseHandle(StdOutPipeWrite); |
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56 | if Handle then |
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57 | try |
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58 | repeat |
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59 | WasOK := ReadFile(StdOutPipeRead, Buffer, 255, BytesRead, nil); |
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60 | if BytesRead > 0 then |
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61 | begin |
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62 | Buffer[BytesRead] := #0; |
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63 | Result := Result + Buffer; |
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64 | end; |
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65 | until not WasOK or (BytesRead = 0); |
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66 | WaitForSingleObject(PI.hProcess, INFINITE); |
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67 | finally |
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68 | CloseHandle(PI.hThread); |
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69 | CloseHandle(PI.hProcess); |
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70 | end; |
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71 | finally |
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72 | CloseHandle(StdOutPipeRead); |
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73 | end; |
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74 | end; |
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75 | |||
76 | function StrIPos(const SubStr, S: string): Integer; |
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77 | begin |
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78 | Result := Pos(UpperCase(SubStr), UpperCase(S)); |
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79 | end; |
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80 | |||
81 | function LoadFileToStr(const FileName: TFileName): AnsiString; |
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82 | var |
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83 | FileStream : TFileStream; |
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84 | |||
85 | begin |
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86 | Result:= ''; |
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87 | FileStream:= TFileStream.Create(FileName, fmOpenRead or fmShareDenyWrite); |
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88 | try |
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89 | if FileStream.Size>0 then begin |
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90 | SetLength(Result, FileStream.Size); |
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91 | FileStream.Read(Result[1], FileStream.Size); |
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92 | end; |
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93 | finally |
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94 | FileStream.Free; |
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95 | end; |
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96 | end; |
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97 | |||
98 | function LastPos(const SubStr, S: string): integer; |
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99 | var |
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100 | I, J, K: integer; |
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101 | begin |
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102 | Result := 0; |
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103 | I := Length(S); |
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104 | K := Length(SubStr); |
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105 | if (K = 0) or (K > I) then |
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106 | Exit; |
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107 | while (Result = 0) and (I >= K) do |
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108 | begin |
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109 | J := K; |
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110 | if S[I] = SubStr[J] then |
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111 | begin |
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112 | while (J > 1) and (S[I + J - K - 1] = SubStr[J - 1]) do |
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113 | Dec(J); |
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114 | if J = 1 then |
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115 | Result := I - K + 1; |
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116 | end; |
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117 | Dec(I); |
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118 | end; |
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119 | end; |
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120 | |||
121 | function IsTextHTML(s: string): boolean; |
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122 | |||
123 | function _Tag(const tag: string): integer; |
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124 | begin |
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125 | result := 0; |
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126 | if (StrIPos('<'+tag+'>', s) > 0) then Inc(result); |
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127 | if (StrIPos('</'+tag+'>', s) > 0) then Inc(result); |
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128 | if (StrIPos('<'+tag+' />', s) > 0) then Inc(result); |
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129 | if (StrIPos('<'+tag+' ', s) > 0) then Inc(result); |
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130 | end; |
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131 | |||
132 | var |
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133 | score: integer; |
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134 | begin |
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135 | score := _Tag('html') + _Tag('body') + _Tag('p') + _Tag('a') + _Tag('b') + |
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136 | _Tag('i') + _Tag('u') + _Tag('li') + _Tag('ol') + _Tag('ul') + |
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137 | _Tag('img') + _Tag('div') + _Tag('hr') + _Tag('code') + |
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138 | _Tag('pre') + _Tag('blockquote') + _Tag('span'); |
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139 | result := score >= 2; |
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140 | end; |
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141 | |||
142 | // Template: http://stackoverflow.com/questions/6339446/delphi-get-the-whole-word-where-the-caret-is-in-a-memo |
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4 | daniel-mar | 143 | function GetWordUnderCaret(AMemo: TSynEdit): string; |
2 | daniel-mar | 144 | |
145 | function ValidChar(c: char): boolean; |
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146 | begin |
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8 | daniel-mar | 147 | result := CharInSet(c, ['a'..'z', 'A'..'Z', '0'..'9', '_']); |
2 | daniel-mar | 148 | end; |
149 | |||
150 | var |
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151 | Line : Integer; |
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152 | Column : Integer; |
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153 | LineText: string; |
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154 | InitPos : Integer; |
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155 | EndPos : Integer; |
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156 | begin |
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157 | //Get the caret position |
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4 | daniel-mar | 158 | (* |
159 | if AMemo is TMemo then |
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160 | begin |
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161 | Line := AMemo.Perform(EM_LINEFROMCHAR,AMemo.SelStart, 0); |
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162 | Column := AMemo.SelStart - AMemo.Perform(EM_LINEINDEX, Line, 0); |
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163 | end; |
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164 | if AMemo is TSynEdit then |
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165 | begin |
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5 | daniel-mar | 166 | *) |
4 | daniel-mar | 167 | Line := AMemo.CaretY-1; |
168 | Column := AMemo.CaretX-1; |
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5 | daniel-mar | 169 | (* |
4 | daniel-mar | 170 | end; |
5 | daniel-mar | 171 | *) |
4 | daniel-mar | 172 | |
2 | daniel-mar | 173 | //Validate the line number |
174 | if AMemo.Lines.Count-1 < Line then Exit; |
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175 | |||
176 | //Get the text of the line |
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177 | LineText := AMemo.Lines[Line]; |
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178 | |||
5 | daniel-mar | 179 | if LineText = '' then exit(''); |
180 | |||
2 | daniel-mar | 181 | // Column zeigt auf das Zeichen LINKS vom Cursor! |
182 | |||
183 | InitPos := Column; |
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184 | if not ValidChar(LineText[InitPos]) then Inc(InitPos); |
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185 | while (InitPos-1 >= 1) and ValidChar(LineText[InitPos-1]) do Dec(InitPos); |
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186 | |||
187 | EndPos := Column; |
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188 | while (EndPos+1 <= Length(LineText)) and ValidChar(LineText[EndPos+1]) do Inc(EndPos); |
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189 | |||
190 | //Get the text |
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191 | Result := Copy(LineText, InitPos, EndPos - InitPos + 1); |
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192 | end; |
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193 | |||
9 | daniel-mar | 194 | function MyVarToStr(v: Variant): string; |
2 | daniel-mar | 195 | var |
9 | daniel-mar | 196 | _Lo, _Hi, i: integer; |
2 | daniel-mar | 197 | begin |
9 | daniel-mar | 198 | if VarIsNull(v) then |
199 | begin |
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200 | result := ''; |
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201 | end |
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202 | else if VarIsArray(v) then |
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203 | begin |
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204 | _Lo := VarArrayLowBound(v, 1); |
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205 | _Hi := VarArrayHighBound(v, 1); |
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206 | result := ''; |
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207 | for i := _Lo to _Hi do |
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208 | begin |
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209 | if v[i] = 0 then break; |
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210 | result := result + chr(integer(v[i])); |
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211 | end; |
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212 | end |
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213 | else |
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214 | begin |
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215 | // At least try it... |
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216 | result := VarToStr(v); |
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217 | end; |
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2 | daniel-mar | 218 | end; |
219 | |||
220 | end. |