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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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23 | daniel-mar | 14 | function GetWordUnderPos(AMemo: TSynEdit; Line, Column: integer): string; |
4 | daniel-mar | 15 | function GetWordUnderCaret(AMemo: TSynEdit): string; |
9 | daniel-mar | 16 | function MyVarToStr(v: Variant): string; |
22 | daniel-mar | 17 | function FileSystemCaseSensitive: boolean; |
2 | daniel-mar | 18 | |
19 | implementation |
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20 | |||
21 | function GetDosOutput(CommandLine: string; Work: string = ''): string; |
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22 | var |
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23 | SA: TSecurityAttributes; |
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24 | SI: TStartupInfo; |
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25 | PI: TProcessInformation; |
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26 | StdOutPipeRead, StdOutPipeWrite: THandle; |
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27 | WasOK: Boolean; |
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28 | Buffer: array[0..255] of AnsiChar; |
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29 | BytesRead: Cardinal; |
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30 | WorkDir: string; |
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31 | Handle: Boolean; |
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32 | begin |
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33 | if Work = '' then Work := ExtractFilePath(ParamStr(0)); |
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34 | |||
35 | Result := ''; |
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36 | with SA do begin |
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37 | nLength := SizeOf(SA); |
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38 | bInheritHandle := True; |
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39 | lpSecurityDescriptor := nil; |
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40 | end; |
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41 | CreatePipe(StdOutPipeRead, StdOutPipeWrite, @SA, 0); |
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42 | try |
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43 | with SI do |
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44 | begin |
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45 | FillChar(SI, SizeOf(SI), 0); |
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46 | cb := SizeOf(SI); |
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47 | dwFlags := STARTF_USESHOWWINDOW or STARTF_USESTDHANDLES; |
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48 | wShowWindow := SW_HIDE; |
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49 | hStdInput := GetStdHandle(STD_INPUT_HANDLE); // don't redirect stdin |
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50 | hStdOutput := StdOutPipeWrite; |
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51 | hStdError := StdOutPipeWrite; |
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52 | end; |
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53 | WorkDir := Work; |
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54 | Handle := CreateProcess(nil, PChar('cmd.exe /C "' + CommandLine + '"'), |
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55 | nil, nil, True, 0, nil, |
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56 | PChar(WorkDir), SI, PI); |
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57 | CloseHandle(StdOutPipeWrite); |
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58 | if Handle then |
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59 | try |
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60 | repeat |
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61 | WasOK := ReadFile(StdOutPipeRead, Buffer, 255, BytesRead, nil); |
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62 | if BytesRead > 0 then |
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63 | begin |
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64 | Buffer[BytesRead] := #0; |
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65 | Result := Result + Buffer; |
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66 | end; |
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67 | until not WasOK or (BytesRead = 0); |
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68 | WaitForSingleObject(PI.hProcess, INFINITE); |
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69 | finally |
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70 | CloseHandle(PI.hThread); |
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71 | CloseHandle(PI.hProcess); |
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72 | end; |
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73 | finally |
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74 | CloseHandle(StdOutPipeRead); |
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75 | end; |
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76 | end; |
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77 | |||
78 | function StrIPos(const SubStr, S: string): Integer; |
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79 | begin |
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80 | Result := Pos(UpperCase(SubStr), UpperCase(S)); |
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81 | end; |
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82 | |||
83 | function LoadFileToStr(const FileName: TFileName): AnsiString; |
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84 | var |
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85 | FileStream : TFileStream; |
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86 | |||
87 | begin |
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88 | Result:= ''; |
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89 | FileStream:= TFileStream.Create(FileName, fmOpenRead or fmShareDenyWrite); |
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90 | try |
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91 | if FileStream.Size>0 then begin |
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92 | SetLength(Result, FileStream.Size); |
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93 | FileStream.Read(Result[1], FileStream.Size); |
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94 | end; |
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95 | finally |
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96 | FileStream.Free; |
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97 | end; |
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98 | end; |
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99 | |||
100 | function LastPos(const SubStr, S: string): integer; |
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101 | var |
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102 | I, J, K: integer; |
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103 | begin |
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104 | Result := 0; |
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105 | I := Length(S); |
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106 | K := Length(SubStr); |
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107 | if (K = 0) or (K > I) then |
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108 | Exit; |
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109 | while (Result = 0) and (I >= K) do |
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110 | begin |
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111 | J := K; |
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112 | if S[I] = SubStr[J] then |
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113 | begin |
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114 | while (J > 1) and (S[I + J - K - 1] = SubStr[J - 1]) do |
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115 | Dec(J); |
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116 | if J = 1 then |
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117 | Result := I - K + 1; |
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118 | end; |
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119 | Dec(I); |
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120 | end; |
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121 | end; |
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122 | |||
123 | function IsTextHTML(s: string): boolean; |
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124 | |||
125 | function _Tag(const tag: string): integer; |
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126 | begin |
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127 | result := 0; |
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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 | if (StrIPos('<'+tag+' />', s) > 0) then Inc(result); |
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131 | if (StrIPos('<'+tag+' ', s) > 0) then Inc(result); |
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132 | end; |
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133 | |||
22 | daniel-mar | 134 | procedure _Check(const tag: string; pair: boolean); |
135 | begin |
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136 | if (pair and (_Tag(tag) >= 2)) or (not pair and (_Tag(tag) >= 1)) then result := true; |
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137 | end; |
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138 | |||
2 | daniel-mar | 139 | begin |
22 | daniel-mar | 140 | result := false; |
141 | _Check('html', true); |
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142 | _Check('body', true); |
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143 | _Check('p', false{end tag optional}); |
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144 | _Check('a', true); |
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145 | _Check('b', true); |
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146 | _Check('i', true); |
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147 | _Check('u', true); |
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148 | _Check('li', false{end tag optional}); |
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149 | _Check('ol', true); |
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150 | _Check('ul', true); |
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151 | _Check('img', false); |
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152 | _Check('div', false); |
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153 | _Check('hr', false); |
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154 | _Check('code', true); |
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155 | _Check('pre', true); |
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156 | _Check('blockquote', true); |
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157 | _Check('span', true); |
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158 | _Check('br', false); |
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2 | daniel-mar | 159 | end; |
160 | |||
161 | // Template: http://stackoverflow.com/questions/6339446/delphi-get-the-whole-word-where-the-caret-is-in-a-memo |
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23 | daniel-mar | 162 | function GetWordUnderPos(AMemo: TSynEdit; Line, Column: integer): string; |
2 | daniel-mar | 163 | |
164 | function ValidChar(c: char): boolean; |
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165 | begin |
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8 | daniel-mar | 166 | result := CharInSet(c, ['a'..'z', 'A'..'Z', '0'..'9', '_']); |
2 | daniel-mar | 167 | end; |
168 | |||
169 | var |
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170 | LineText: string; |
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171 | InitPos : Integer; |
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172 | EndPos : Integer; |
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173 | begin |
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174 | //Validate the line number |
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175 | if AMemo.Lines.Count-1 < Line then Exit; |
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176 | |||
177 | //Get the text of the line |
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178 | LineText := AMemo.Lines[Line]; |
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179 | |||
5 | daniel-mar | 180 | if LineText = '' then exit(''); |
181 | |||
2 | daniel-mar | 182 | // Column zeigt auf das Zeichen LINKS vom Cursor! |
183 | |||
184 | InitPos := Column; |
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185 | if not ValidChar(LineText[InitPos]) then Inc(InitPos); |
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186 | while (InitPos-1 >= 1) and ValidChar(LineText[InitPos-1]) do Dec(InitPos); |
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187 | |||
188 | EndPos := Column; |
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189 | while (EndPos+1 <= Length(LineText)) and ValidChar(LineText[EndPos+1]) do Inc(EndPos); |
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190 | |||
191 | //Get the text |
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192 | Result := Copy(LineText, InitPos, EndPos - InitPos + 1); |
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193 | end; |
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194 | |||
23 | daniel-mar | 195 | function GetWordUnderCaret(AMemo: TSynEdit): string; |
196 | var |
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197 | Line : Integer; |
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198 | Column : Integer; |
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199 | begin |
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200 | //Get the caret position |
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201 | (* |
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202 | if AMemo is TMemo then |
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203 | begin |
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204 | Line := AMemo.Perform(EM_LINEFROMCHAR,AMemo.SelStart, 0); |
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205 | Column := AMemo.SelStart - AMemo.Perform(EM_LINEINDEX, Line, 0); |
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206 | end; |
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207 | if AMemo is TSynEdit then |
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208 | begin |
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209 | *) |
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210 | Line := AMemo.CaretY-1; |
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211 | Column := AMemo.CaretX-1; |
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212 | (* |
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213 | end; |
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214 | *) |
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215 | |||
216 | result := GetWordUnderPos(AMemo, Line, Column); |
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217 | end; |
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218 | |||
9 | daniel-mar | 219 | function MyVarToStr(v: Variant): string; |
2 | daniel-mar | 220 | var |
9 | daniel-mar | 221 | _Lo, _Hi, i: integer; |
2 | daniel-mar | 222 | begin |
9 | daniel-mar | 223 | if VarIsNull(v) then |
224 | begin |
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225 | result := ''; |
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226 | end |
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227 | else if VarIsArray(v) then |
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228 | begin |
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229 | _Lo := VarArrayLowBound(v, 1); |
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230 | _Hi := VarArrayHighBound(v, 1); |
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231 | result := ''; |
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232 | for i := _Lo to _Hi do |
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233 | begin |
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234 | if v[i] = 0 then break; |
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235 | result := result + chr(integer(v[i])); |
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236 | end; |
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237 | end |
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238 | else |
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239 | begin |
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240 | // At least try it... |
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241 | result := VarToStr(v); |
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242 | end; |
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2 | daniel-mar | 243 | end; |
244 | |||
22 | daniel-mar | 245 | function FileSystemCaseSensitive: boolean; |
246 | begin |
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247 | // TODO: This code is not very reliable. At MAC OSX, the file system HFS can be switched |
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248 | // between case sensitivity and insensitivity. |
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249 | {$IFDEF LINUX} |
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250 | exit(true); |
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251 | {$ELSE} |
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252 | exit(false); |
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253 | {$ENDIF} |
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254 | end; |
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255 | |||
2 | daniel-mar | 256 | end. |