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1 | daniel-mar | 1 | unit Functions; |
2 | |||
3 | interface |
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4 | |||
5 | uses |
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6 | Windows, Classes, SysUtils, ShellAPI; |
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7 | |||
8 | type |
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9 | TLineBreak = (lbWindows, lbLinux, lbMac); |
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10 | |||
11 | function RawFileCopy(ASrc, ADst: string): boolean; |
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12 | function ShellExecuteAndWait(FileName: string; Params: string): boolean; |
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13 | function FileSize(AFilename: string): int64; |
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14 | function LooksLikeDir(s: string): boolean; |
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15 | function GetTempDirectory: String; |
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16 | function NormalizeLineBreaks(s: string; mode: TLineBreak): string; |
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17 | function ExtractFileNameWithoutExt(const fil: string): string; |
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18 | function SearchNextFreeName(s: string): string; |
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19 | |||
20 | implementation |
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21 | |||
22 | {$IFNDEF UNICODE} |
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23 | type |
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24 | TCharSet = set of AnsiChar; |
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25 | {$ENDIF} |
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26 | |||
27 | {$IFNDEF UNICODE} |
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28 | function CharInSet(C: AnsiChar; const CharSet: TCharSet): Boolean;// overload; |
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29 | begin |
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30 | Result := c in CharSet; |
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31 | end; |
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32 | {$ENDIF} |
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33 | |||
34 | function LooksLikeDir(s: string): boolean; |
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35 | begin |
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36 | result := CharInSet(s[Length(s)], ['/', '\']); |
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37 | end; |
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38 | |||
39 | function RawFileCopy(ASrc, ADst: string): boolean; |
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40 | var |
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41 | SSrc, SDst: TFileStream; |
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42 | begin |
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43 | DeleteFile(PChar(ADst)); |
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44 | |||
45 | SSrc := TFileStream.Create(ASrc, fmOpenRead); |
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46 | try |
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47 | SDst := TFileStream.Create(ADst, fmCreate); |
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48 | try |
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49 | SDst.CopyFrom(SSrc, SSrc.Size); |
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50 | finally |
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51 | SDst.Free; |
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52 | end; |
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53 | finally |
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54 | SSrc.Free; |
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55 | end; |
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56 | |||
57 | result := true; |
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58 | end; |
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59 | |||
60 | // http://www.delphipraxis.net/32234-shellexecuteandwait-status-abfragen.html |
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61 | // Modified. Now CONSOLE compatible and return false if ErrorLevel <> 0 |
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62 | function ShellExecuteAndWait(FileName: string; Params: string): boolean; |
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63 | var |
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64 | exInfo: TShellExecuteInfo; |
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65 | Ph: DWORD; |
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66 | lExitCode: DWord; |
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67 | begin |
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68 | Try |
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69 | FillChar(exInfo, SizeOf(exInfo), 0); |
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70 | with exInfo do |
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71 | begin |
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72 | cbSize := SizeOf(exInfo); |
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73 | fMask := SEE_MASK_NOCLOSEPROCESS or SEE_MASK_FLAG_DDEWAIT; |
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74 | Wnd := GetActiveWindow(); |
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75 | FileName := ExpandUNCFileName(FileName); |
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76 | ExInfo.lpVerb := 'open'; |
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77 | ExInfo.lpParameters := PChar(Params); |
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78 | // ExInfo.lpDirectory := PChar(ExtractFilePath(FileName)); |
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79 | lpFile := PChar(FileName); |
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80 | nShow := SW_SHOWNORMAL; |
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81 | end; |
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82 | if ShellExecuteEx(@exInfo) then |
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83 | begin |
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84 | Ph := exInfo.HProcess; |
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85 | end |
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86 | else |
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87 | begin |
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88 | WriteLn(SysErrorMessage(GetLastError)); |
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89 | Result := False; |
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90 | Exit; |
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91 | end; |
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92 | while WaitForSingleObject(ExInfo.hProcess, 50) <> WAIT_OBJECT_0 do ; |
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93 | (* begin |
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94 | Application.ProcessMessages; |
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95 | end; *) |
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96 | GetExitCodeProcess(Ph, lExitCode); |
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97 | Result := lExitCode = 0; |
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98 | CloseHandle(Ph); |
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99 | Except |
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100 | Result := False; |
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101 | Exit; |
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102 | End; |
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103 | end; |
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104 | |||
105 | function FileSize(AFilename: string): int64; |
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106 | var |
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107 | s: TFileStream; |
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108 | begin |
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109 | s := TFileStream.Create(AFilename, fmOpenRead or fmShareDenyWrite); |
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110 | try |
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111 | result := s.Size; |
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112 | finally |
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113 | s.Free; |
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114 | end; |
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115 | end; |
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116 | |||
117 | // http://www.cryer.co.uk/brian/delphi/howto_get_temp.htm |
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118 | function GetTempDirectory: String; |
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119 | var |
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120 | tempFolder: array[0..MAX_PATH] of Char; |
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121 | begin |
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122 | GetTempPath(MAX_PATH, @tempFolder); |
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123 | result := StrPas(tempFolder); |
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124 | end; |
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125 | |||
126 | function NormalizeLineBreaks(s: string; mode: TLineBreak): string; |
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127 | begin |
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128 | if mode = lbWindows then |
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129 | begin |
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130 | s := StringReplace(s, #13#10, #10, [rfReplaceAll]); |
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131 | s := StringReplace(s, #13, #10, [rfReplaceAll]); |
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132 | s := StringReplace(s, #10, #13#10, [rfReplaceAll]); |
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133 | end |
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134 | else if mode = lbLinux then |
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135 | begin |
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136 | s := StringReplace(s, #13#10, #13, [rfReplaceAll]); |
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137 | s := StringReplace(s, #10, #13, [rfReplaceAll]); |
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138 | end |
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139 | else if mode = lbMac then |
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140 | begin |
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141 | s := StringReplace(s, #13#10, #10, [rfReplaceAll]); |
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142 | s := StringReplace(s, #13, #10, [rfReplaceAll]); |
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143 | end; |
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144 | result := s; |
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145 | end; |
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146 | |||
147 | // http://www.viathinksoft.de/?page=codelib&showid=70 |
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148 | function ExtractFileNameWithoutExt(const fil: string): string; |
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149 | begin |
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150 | result := Copy(ExtractFileName(fil), 1, Length(ExtractFileName(fil))-Length(ExtractFileExt(fil))); |
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151 | end; |
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152 | |||
153 | function SearchNextFreeName(s: string): string; |
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154 | var |
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155 | i: integer; |
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156 | begin |
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157 | if not FileExists(s) and not DirectoryExists(s) then |
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158 | begin |
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159 | result := s; |
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160 | Exit; |
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161 | end; |
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162 | |||
163 | i := 2; |
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164 | |||
165 | if FileExists(s) then |
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166 | begin |
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167 | repeat |
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168 | result := Format('%s (%d)%s', [ExtractFileNameWithoutExt(s), i, ExtractFileExt(s)]); |
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169 | inc(i); |
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170 | until not DirectoryExists(result); |
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171 | end |
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172 | else if DirectoryExists(s) then |
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173 | begin |
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174 | s := ExcludeTrailingPathDelimiter(s); |
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175 | repeat |
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176 | result := Format('%s (%d)', [s, i]); |
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177 | inc(i); |
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178 | until not DirectoryExists(result); // Todo: Legt man sich hier nun auf einen ordnernamen fest??? |
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179 | result := IncludeTrailingPathDelimiter(result); |
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180 | end; |
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181 | end; |
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182 | |||
183 | end. |