unit Functions;
interface
uses
Windows, Messages, SysUtils, StrUtils, IniFiles, Classes, Forms, Variants, MsHTML,
SHDocVw_TLB, StdCtrls, SynEdit, ActiveX;
function GetDosOutput(CommandLine: string; Work: string = ''): string;
function StrIPos(const SubStr, S: string): Integer;
function LoadFileToStr(const FileName: TFileName): AnsiString;
function LastPos(const SubStr, S: string): integer;
function IsTextHTML(s: string): boolean;
function GetWordUnderCaret(AMemo: TSynEdit): string;
function MyVarToStr(v: Variant): string;
implementation
function GetDosOutput(CommandLine: string; Work: string = ''): string;
var
SA: TSecurityAttributes;
SI: TStartupInfo;
PI: TProcessInformation;
StdOutPipeRead, StdOutPipeWrite: THandle;
WasOK: Boolean;
Buffer: array[0..255] of AnsiChar;
BytesRead: Cardinal;
WorkDir: string;
Handle: Boolean;
begin
if Work = '' then Work := ExtractFilePath(ParamStr(0));
Result := '';
with SA do begin
nLength := SizeOf(SA);
bInheritHandle := True;
lpSecurityDescriptor := nil;
end;
CreatePipe(StdOutPipeRead, StdOutPipeWrite, @SA, 0);
try
with SI do
begin
FillChar(SI, SizeOf(SI), 0);
cb := SizeOf(SI);
dwFlags := STARTF_USESHOWWINDOW or STARTF_USESTDHANDLES;
wShowWindow := SW_HIDE;
hStdInput := GetStdHandle(STD_INPUT_HANDLE); // don't redirect stdin
hStdOutput := StdOutPipeWrite;
hStdError := StdOutPipeWrite;
end;
WorkDir := Work;
Handle := CreateProcess(nil, PChar('cmd.exe /C "' + CommandLine + '"'),
nil, nil, True, 0, nil,
PChar(WorkDir), SI, PI);
CloseHandle(StdOutPipeWrite);
if Handle then
try
repeat
WasOK := ReadFile(StdOutPipeRead, Buffer, 255, BytesRead, nil);
if BytesRead > 0 then
begin
Buffer[BytesRead] := #0;
Result := Result + Buffer;
end;
until not WasOK or (BytesRead = 0);
WaitForSingleObject(PI.hProcess, INFINITE);
finally
CloseHandle(PI.hThread);
CloseHandle(PI.hProcess);
end;
finally
CloseHandle(StdOutPipeRead);
end;
end;
function StrIPos(const SubStr, S: string): Integer;
begin
Result := Pos(UpperCase(SubStr), UpperCase(S));
end;
function LoadFileToStr(const FileName: TFileName): AnsiString;
var
FileStream : TFileStream;
begin
Result:= '';
FileStream:= TFileStream.Create(FileName, fmOpenRead or fmShareDenyWrite);
try
if FileStream.Size>0 then begin
SetLength(Result, FileStream.Size);
FileStream.Read(Result[1], FileStream.Size);
end;
finally
FileStream.Free;
end;
end;
function LastPos(const SubStr, S: string): integer;
var
I, J, K: integer;
begin
Result := 0;
I := Length(S);
K := Length(SubStr);
if (K = 0) or (K > I) then
Exit;
while (Result = 0) and (I >= K) do
begin
J := K;
if S[I] = SubStr[J] then
begin
while (J > 1) and (S[I + J - K - 1] = SubStr[J - 1]) do
Dec(J);
if J = 1 then
Result := I - K + 1;
end;
Dec(I);
end;
end;
function IsTextHTML(s: string): boolean;
function _Tag(const tag: string): integer;
begin
result := 0;
if (StrIPos('<'+tag+'>', s) > 0) then Inc(result);
if (StrIPos('</'+tag+'>', s) > 0) then Inc(result);
if (StrIPos('<'+tag+' />', s) > 0) then Inc(result);
if (StrIPos('<'+tag+' ', s) > 0) then Inc(result);
end;
var
score: integer;
begin
score := _Tag('html') + _Tag('body') + _Tag('p') + _Tag('a') + _Tag('b') +
_Tag('i') + _Tag('u') + _Tag('li') + _Tag('ol') + _Tag('ul') +
_Tag('img') + _Tag('div') + _Tag('hr') + _Tag('code') +
_Tag('pre') + _Tag('blockquote') + _Tag('span');
result := score >= 2;
end;
// Template: http://stackoverflow.com/questions/6339446/delphi-get-the-whole-word-where-the-caret-is-in-a-memo
function GetWordUnderCaret(AMemo: TSynEdit): string;
function ValidChar(c: char): boolean;
begin
result := CharInSet(c, ['a'..'z', 'A'..'Z', '0'..'9', '_']);
end;
var
Line : Integer;
Column : Integer;
LineText: string;
InitPos : Integer;
EndPos : Integer;
begin
//Get the caret position
(*
if AMemo is TMemo then
begin
Line := AMemo.Perform(EM_LINEFROMCHAR,AMemo.SelStart, 0);
Column := AMemo.SelStart - AMemo.Perform(EM_LINEINDEX, Line, 0);
end;
if AMemo is TSynEdit then
begin
*)
Line := AMemo.CaretY-1;
Column := AMemo.CaretX-1;
(*
end;
*)
//Validate the line number
if AMemo.Lines.Count-1 < Line then Exit;
//Get the text of the line
LineText := AMemo.Lines[Line];
if LineText = '' then exit('');
// Column zeigt auf das Zeichen LINKS vom Cursor!
InitPos := Column;
if not ValidChar(LineText[InitPos]) then Inc(InitPos);
while (InitPos-1 >= 1) and ValidChar(LineText[InitPos-1]) do Dec(InitPos);
EndPos := Column;
while (EndPos+1 <= Length(LineText)) and ValidChar(LineText[EndPos+1]) do Inc(EndPos);
//Get the text
Result := Copy(LineText, InitPos, EndPos - InitPos + 1);
end;
function MyVarToStr(v: Variant): string;
var
_Lo, _Hi, i: integer;
begin
if VarIsNull(v) then
begin
result := '';
end
else if VarIsArray(v) then
begin
_Lo := VarArrayLowBound(v, 1);
_Hi := VarArrayHighBound(v, 1);
result := '';
for i := _Lo to _Hi do
begin
if v[i] = 0 then break;
result := result + chr(integer(v[i]));
end;
end
else
begin
// At least try it...
result := VarToStr(v);
end;
end;
end.