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toolsString.pas
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unit toolsString;
interface
{$IFDEF USER_DEFINES_INC}{$I user_defines.inc}{$ENDIF}
{$IFNDEF FPC}
{$I Compilers.inc}
{$IFDEF DELPHI_NET}
{$UNSAFECODE ON}
{$ENDIF}
{$ENDIF}
uses sysutils, windows, classes, math
{$IFDEF DELPHI_NET}, System.Text, Variants {$ENDIF};
const
INTEGER_CHARS_SET = ['0'..'9'];
FLOAT_CHARS_SET = ['0'..'9','.','+','-','e','E'];
HEX_CHARS_SET = ['0'..'9','a'..'f','A'..'F'];
ASCII_CHARS_SET = ['0'..'9','a'..'z','A'..'Z','_'];
type
{ TStringBuilder Class }
TStringBuilder = class(TObject)
private
FBuffMax,
FBuffSize,FIndex : integer;
FBuffer : PChar;
procedure _ExpandBuffer;
function GetFString : string;
procedure SetFString(const AString : string);
public
constructor Create(ABufferSize : integer = 4096);
destructor Destroy; override;
procedure Append(const AString : string);
procedure Clear;
property AsString : string read GetFString write SetFString;
end;
TArrayByte = array of Byte;
TUniReplaceFlag = ( urfIgnoreCase, urfReplaceAll, urfWholeWordsOnly );
TUniReplaceFlags = set of TUniReplaceFlag;
function win2dos( const aText : AnsiString ) : AnsiString;
function dos2win( const aText : AnsiString ) : AnsiString;
//Replaces all "Search" string values found within "Value" string, with the "Replace" string value.
function ReplaceString( Value : string; const Search, Replace: string ): string;
// åñëè ñòðîêà ïóñòàÿ, òî âîçâðàùàåò óêàçàííîå çíà÷åíèå; èíà÷å - ñàìó ñòðîêó
// óäîáíî êîãäà ñòðîêó íóæíî ïîäñòàâèòü â sql-çàïðîñ, è îíà íå äîëæíà áûòü ïóñòîé
function EmptyToValue( const aStr, aValue : string ) : string;
{$IFNDEF FPC}
function AlignText( src : TStringList; width : integer ) : TStringList;
{$ENDIF}
{
function max( a : integer; b : integer ) : integer;
function min( a : integer; b : integer ) : integer;
}
// ïåðåòÿíóòî èç synapse synautil
{:Fetch string from left of Value string. This function ignore delimitesr inside quotations.}
function FetchEx(var Value: string; const Delimiter, Quotation: string ): string;
{:parse value string with elements differed by Delimiter into stringlist.}
function ClearQuotation(s: string): string;
procedure ParseParametersEx( aValue, aDelimiter : string; const aParameters : TStrings; flClearQuotation: boolean = false; aLimit : integer = 0 );
// Óïðîùåííàÿ âåðñèÿ ParseParametersEx, ïðîãðàììèñò äîëæåí ïîçàáîòèòüñÿ îá îñâîáîæäåíèè ïàìÿòè ðåçóëüòàòà ýòîé ôóíêöèè
function Explode( const aDelimiter, aValue : string; aLimit : integer = 0 ) : TStringList; overload;
function Explode( const aDelimiter, aValue : string; aList : TStringList; aLimit : integer = 0 ) : integer; overload;
function Implode( aList : TStringList; const aDelimiter : string ) : string;
{:parse value string with elements differed by Delimiter into stringlist with AnsiUpperCase.}
procedure ParseParametersExUpper( aValue, aDelimiter : string; const aParameters : TStrings );
{:parse value string with elements differed by ';' into stringlist.}
procedure ParseParameters( aValue: string; const aParameters: TStrings );
procedure ArrayOfStringsToTStrings(const aStrings: array of string; res: TStrings);
function RPos( aSubstr: string; aStr: string; flCaseSensitive : boolean = true ) : Integer;
function RPosEx( const Sub, Value : string; From : integer) : Integer;
// ðàáîòàåò êàê Format, òîëüêî â êà÷åñòâå ïàðàìåòðà âìåñòî <array of const> ïðèíèìàåò TStringlist
// (äèíàìè÷åñêè ñîçäàåò open array è âûçûâàåò ôóíêöèþ format)
function UniFormat( aFormatStr : string; aParams : TStringList ) : string;
// èùåò â óêàçàííîì òåêñòå ïîäñòðîêó ñ ìàêñèìàëüíîé äëèííîé, ïîäðàçóìåâàÿ, ÷òî ïîäñòðîêè ðàçäåëåíû ðàçäåëèòåëåì
function GetTextMaxLine( aText : string; aDelim : string = #13#10 ) : string;
// âîçâðàùàåò ñîîáùåíèå î ïîñëåäíåé ñèñòåìíîé îøèáêå
function GetLastOSErrorText() : string;
// ïðèìåíÿåòñÿ äëÿ âûäåëåíèÿ ñîñòàâíûõ ÷àñòåé â ñòðîêàõ âèäà <aFirtsPart><aDelim><aSecondPart>
// íàïðèìåð dbMain.dbTable - aFirstPart ñòàíåò dbMain, à aSecondPart - dbTable
// aDelim - ðàçäåëèòåëü, êîòîðûé ìîæåò ñîñòîÿòü èç íåñêîëüêèõ ñèìâîëîâ
function SeparateObjectName( aValue : string; var aFirstPart : string; var aSecondPart : string; const aDelim : string = '.' ) : boolean; overload;
// ïðèìåíÿåòñ äëÿ âûäåëåíèÿ ñîñòàâíûõ ÷àñòåé â ñòðîêàõ âèäà <aFirtsPart><aDelim><aSecondPart><aDelim><aThirdPart>
// íàïðèìåð dbMain.dbTable.fieldName - aFirstPart ñòàíåò dbMain, aSecondPart - dbTable, à aThirdPart - fieldName
// aDelim - ðàçäåëèòåëü, êîòîðûé ìîæåò ñîñòîÿòü èç íåñêîëüêèõ ñèìâîëîâ
function SeparateObjectName( aValue : string; var aFirstPart : string; var aSecondPart : string;
var aThirdPart : string; var aNumParts : integer; const aDelim : string = '.' ) : boolean; overload;
// ïðèâîäèò ñòðîêó ê ò.í. Camel Case- óäàëÿåò âñå íå öèôðû è íå áóêâû, çàìåíÿÿ íà çàãëàâíûå ñëåäóþùèå çà íèìè áóêâû
// ðàáîòàåò òîëüêî äëÿ ëàòèíñêîãî è êèðèëè÷åñêîãî àëôàâèòîâ. Îáû÷íî ïðèìåíÿåòñÿ ïðè ôîðìèðîâàíèè èìåí èç íàçâàíèé ïîëåé
function CamelCase( aValue : string; flKeepAll : boolean = false ) : string;
procedure SetDecimalSeparator(aDecimalSeparator: char);
procedure RestoreDecimalSeparator();
function UniStrToFloat( const S : string ) : Extended; overload;
function UniStrToFloat( const S: string; var aValue : Extended ) : boolean; overload;
function UnisStrToFloat( const S: string ): Extended;
function UnisStrToFloatDef(const S: string; ADefault: Extended): Extended;
{$IFNDEF FPC}
function UniStrToFloat( const S: string; var aValue : double ) : boolean; overload;
{$ENDIF}
function UniValFloat(S: string; var Err: Integer): Extended;
function UniFloatToStr( aValue : Extended ): string;
function UniFloatToStrF( aValue : Extended; aFormat : TFloatFormat; aPrecision, aDigits : Integer ) : string;
function UniFormatFloat(const aFormat: string; aValue: Extended): string;
procedure UniFloatFmtStr( var aStrResult : string; const aFormat : string; const aArgs : array of const );
function UniStrToFloatDef( const S : string; aDefault : Extended ) : Extended;
function UniStrToFloatDefSilent( const S : string; ADefault : Extended) : Extended;
function FloatToStrPrec(Value: Extended; Prec: integer; flDel_0: boolean = false): string;
{$IFDEF COMPILER_9_UP}
//-- adt áàã â êîìïèëÿòîðå http://qc.embarcadero.com/wc/qcmain.aspx?d=9411
function UniStrToUInt64(const S: String): UInt64;
function UniStrToUInt64Def(S: String; ADefault: UInt64): UInt64;
{$ENDIF}
// ïîèñê è çàìåíà ñëîâ â ñòðîêå:
// Source - ñòðîêà, â êîòîðîé íåîáõîäèìî çàìåíèòü ñëîâà
// FindStr - ñòðîêà ïîèñêà
// ReplaceStr - ñòðîêà íà êîòîðóþ íóæíî çàìåíèòü FindStr
// flUseCase - ó÷èòûâàòü ðåãèñòð
// flAll - çàìåíÿòü âñå âõîæäåíèÿ
// flWholeWordsOnly - çàìåíÿòü òîëüêî ñëîâà
function UniReplaceStr(Source: string; SearchStr, ReplaceStr: string; ReplaceFlags: TUniReplaceFlags): string;
// çàìåíà âûðàæåíèþ a := ( < ëîãè÷åñêîå âûðàæåíèå > ? < çíà÷åíèå äëÿ true > : < çíà÷åíèå äëÿ false > ); êîòîðîå åñòü
// â äðóãèõ ÿçûêàõ ïðîãðàììèðîâàíèÿ
function IfThen( aCondition : boolean; const aTrueExpr, aFalseExpr : string ) : string; overload;
function IfThen( aCondition : boolean; const aTrueExpr : string; aFalseExpr : integer ) : integer; overload;
function IfThen( aCondition : boolean; const aTrueExpr : integer; aFalseExpr : integer ) : integer; overload;
function IfThen( aCondition : boolean; const aTrueExpr : double; aFalseExpr : integer ) : double; overload;
function IfThen( aCondition : boolean; const aTrueExpr : double; aFalseExpr : double ) : double; overload;
function IfThen( aCondition : boolean; const aTrueExpr : int64; aFalseExpr : int64 ) : int64; overload;
function IfThen( aCondition : boolean; const aTrueExpr : boolean; aFalseExpr : boolean ) : boolean; overload;
// ñòàâèò îáðàòíûé ñëåø \ ïåðåä ñèìâîëàìè ", ', \ (ñì. EscapeString)
function EscapeString( const str : string ) : string;
// óáèðàåò îáðàòíûé ñëåø \ ïåðåä ñèìâîëàìè ", ', \ (ñì. EscapeString)
function UnescapeString( const str : string ) : string;
{#@abstract Ïîçâîëÿåò èñïîëüçîâàòü ñòðîêè â îïåðàòîðå CASE... óäîáíî!
@bold(Èñïîëüçîâàíèå:)
@longcode(
case StringToCaseSelect('ÄÂÀ',
['ÐÀÇ','ÄÂÀ','ÒÐÈ']) of
0:ShowMessage('ÝÒÎ''ÐÀÇ') ;
1:ShowMessage('ÝÒÎ''ÄÂÀ') ;
2:ShowMessage('ÝÒÎ''ÒÐÈ') ;
end;
}
function StringToCaseSelect (Selector : string; CaseList: array of string): Integer;
{#@abstract äåêîäèðóåò ñòðîêó ñåìàíòèêè Àâòîêàä â ÷èòàáåëüíûé ôîðìàò
}
function DecodeAutoCadSingleByteString(aStr : string) : string;
{#@abstract ïðåîáðàçóåò ïðîèçâîëüíóé ñòðîêó â ñòðîêó, êîòîðóþ ìîæíî èñïîëüçîâàòü â êà÷åñòâå íàçâàíèÿ êîíòðîëîâ è êîìïîíåíòîâ
}
function String2Name( const aString : string ) : string;
{#@abstract çàìåíÿåò âñå íå Ascii ñèìâîëû â ñòðîêå íà _}
function StringToAsciiCharactersString(const S: string): string;
{#@abstract çàìåíÿåò âñå íå÷èñëîâûå ñèìâîëû â ñòðîêå íà 0}
function StringIntegerCharactersString(const S: string): string;
//function StringToByteArray(const AValue: String; var VOut: array of byte): Integer;
//function ByteArrayToString(const Value: array of byte): String;
//#@abstract ïðåîáðàçóåò tvarrec ê ñòðîêå, ïîääåðæèâàåò íå âñå. - åñëè íóæíî - äîáàâëÿåòå ñâîå))
function VarRecToStr(VarRec: TVarRec): string;
// Ïîëó÷èòü ïîäñòðîêó, ñîñòîÿùóþ èç öèôð â íà÷àëå ñòðîêè
function GetLeftDigits( const aValue : string ) : string;
// Ïîëó÷èòü ïîäñòðîêó, ñîñòîÿùóþ èç öèôð â êîíöå ñòðîêè
function GetRightDigits( const aValue : string ) : string;
function StrToHexStr(const ASource: string): string;
function HexStrToStr(const ASource: string): string;
// ïðîâåðèòü ÿâëÿåòñÿ ëè ñòðîêà ÷èñëîì
function IsInteger(const ABuffer: String): Boolean;
// ïðîâåðèòü ÿâëÿåòñÿ ëè ñòðîêà âåùåñòâåííûì ÷èñëîì
function IsFloat(const ABuffer: String): Boolean; overload;
function IsFloat(const ABuffer: String; const ADecimalSeparator: Char): Boolean; overload;
// ïðîâåðèòü ÿâëÿåòñÿ ëè ñòðîêà øåñòíàäöàòåðè÷íûì ÷èñëîì
function IsHexadecimal(const ABuffer: String): Boolean;
// óäàëèòü äóáäèêàòû èç ñòðîêè
function RemoveCharDuplicates(const AChr: Char; const AText: String): string;
{--------------------------------------
implementation
--------------------------------------}
implementation
//uses
// math;
const
DecimalSeparatorSavedBound = 10;
var
DecimalSeparatorSaved : array[ 0..DecimalSeparatorSavedBound ] of char;
DecimalSeparatorSavedCount : integer;
LastGoodDecimalSeparator : char;
UnisDefaultDecimalSeparator : char;
procedure TStringBuilder._ExpandBuffer;
begin
FBuffSize := FBuffSize shl 1;
FBuffMax := FBuffSize - 1;
ReallocMem(FBuffer,FBuffSize);
end;
constructor TStringBuilder.Create(ABufferSize : integer = 4096);
begin
inherited Create;
if ABufferSize <= 0 then
FBuffSize := 1024
else
FBuffSize := ABufferSize;
GetMem(FBuffer,FBuffSize);
FBuffMax := FBuffSize - 1;
FIndex := 0;
end;
destructor TStringBuilder.Destroy;
begin
FreeMem(FBuffer);
inherited Destroy;
end;
procedure TStringBuilder.Append(const AString : string);
var iLen : integer;
begin
iLen := length(AString);
while iLen + FIndex > FBuffMax do
_ExpandBuffer;
move(AString[1],FBuffer[FIndex],iLen);
inc(FIndex,iLen);
end;
function TStringBuilder.GetFString : string;
begin
FBuffer[FIndex] := #0;
Result := FBuffer;
end;
procedure TStringBuilder.SetFString(const AString : string);
begin
self.Clear;
self.Append(AString);
end;
procedure TStringBuilder.Clear;
begin
FIndex := 0;
end;
{******************************************************************************
* win2dos
*******************************************************************************}
{$IFNDEF DELPHI_NET}
function win2dos( const aText : AnsiString ) : AnsiString;
var
a : TArrayByte;
l : integer;
begin
if ( aText = '' ) then
begin
Result := '';
exit;
end;
l := length( aText );
SetLength( a, l + 1 );
CharToOemBuff( PChar(aText), PAnsiChar(a), l );
SetString( Result, PChar(a), l );
a := nil;
end;
{$ELSE}
function win2dos( const aText : String ) : String;
var
l : integer;
dst : StringBuilder;
begin
l := length(aText);
dst := StringBuilder.Create( l + 1 );
CharToOemBuff( aText, dst, l );
Result := dst.ToString();
FreeAndNil( dst );
end;
{$ENDIF}
{******************************************************************************
* dos2win
*******************************************************************************}
{$IFNDEF DELPHI_NET}
function dos2win( const aText : AnsiString ) : AnsiString;
var
s : TArrayByte;
len : integer;
begin
len := Length( aText );
SetLength( s, len + 1 );
//OemToCharBuff( PAnsiChar(aText), PAnsiChar(a), l );
{$IFDEF DELPHI_XE_UP}
OemToCharBuff( PAnsiChar(aText), PWideChar(s), len );
{$ELSE}
OemToCharBuff( PChar( aText ), PChar( s ), len );
{$ENDIF}
SetString( Result, PChar(s), len );
s := nil;
end;
{$ELSE}
function dos2win( const aText : string ) : String;
var
dst : StringBuilder;
l : integer;
begin
l := Length( aText );
dst := StringBuilder.Create( l + 1 );
OemToCharBuff( aText, dst, l );
Result := dst.ToString();
FreeAndNil( dst );
end;
{$ENDIF}
{******************************************************************************
* ReplaceString
* Replaces all "Search" string values found within "Value" string, with the "Replace" string value.
*******************************************************************************}
function ReplaceString( Value : string; const Search, Replace : string ) : string;
var
x, l, ls, lr: integer;
begin
if ( ( Value = '' ) or ( Search = '' ) ) then
begin
Result := Value;
exit;
end;
ls := Length( Search );
lr := Length( Replace );
x := Pos( Search, Value );
Result := '';
while x > 0 do
begin
{$IFNDEF CIL}
l := Length( Result );
SetLength( Result, l + x - 1 );
if x > 1 then
Move( Pointer( Value )^, Pointer( @Result[ l + 1 ] )^, x - 1 );
{$ELSE}
Result := Result + Copy( Value, 1, x - 1 );
{$ENDIF}
{$IFNDEF CIL}
l := Length( Result );
if ( lr > 0 ) then
begin
SetLength( Result, l + lr );
Move( Pointer( Replace )^, Pointer( @Result[ l + 1 ] )^, lr );
end;
{$ELSE}
Result := Result + Replace;
{$ENDIF}
Delete( Value, 1, x - 1 + ls );
x := Pos( Search, Value );
end;
Result := Result + Value;
end;
{******************************************************************************
* EmptyToValue
* åñëè ñòðîêà ïóñòàÿ, òî âîçâðàùàåò óêàçàííîå çíà÷åíèå; èíà÷å - ñàìó ñòðîêó
* óäîáíî êîãäà ñòðîêó íóæíî ïîäñòàâèòü â sql-çàïðîñ, è îíà íå äîëæíà áûòü ïóñòîé
*******************************************************************************}
function EmptyToValue( const aStr, aValue : string ) : string;
begin
Result := aStr;
if ( aStr = '' ) then
begin
Result := aValue;
end;
end;
{**********************************************************************************************
* alignText
***********************************************************************************************}
{$IFNDEF FPC}
function AlignText( src : TStringList; width : integer ) : TStringList;
const
marker = #1;
returnCarriageSymbols = ['.', '=', '-'];
{***************************************************************************
* strWidth
***************************************************************************}
function strWidth( aStr: string; aTab : string ): integer;
var
len : integer;
i : integer;
begin
Result := 0;
if ( aStr = '' ) then
begin
exit;
end;
len := Length( aStr );
for i := 1 to len do
begin
if ( ( aStr[i] = #9 ) or ( aStr[i] = marker ) ) then
begin
inc( Result, 8 );
end
else
begin
inc( Result );
end;
end;
end;
{***************************************************************************
* getDocTabWidth
***************************************************************************}
function getDocTabWidth( ): integer;
var
i : integer;
n : integer;
begin
Result := 0;
i := 0;
while ( i < src.Count - 1 ) do
begin
if ( ( src[i] <> '' ) and ( src[i][1] = ' ' ) ) then
begin
n := 2;
while ( ( n < Length( src[i] ) ) and ( src[i][n] = ' ' ) ) do
begin
inc( n );
end;
Result := math.max( Result, n - 1 );
end;
inc( i );
end;
end;
{***************************************************************************
* getStrTabWidth
***************************************************************************}
function getStrTabWidth( aStr : string ): integer;
var
n : integer;
begin
n := 1;
while ( aStr[n] = ' ' ) do
begin
inc( n );
end;
Result := n - 1;
end;
{***************************************************************************
* getDocMaxWidth
***************************************************************************}
{
function getDocMaxWidth( ): integer;
var
i : integer;
n : integer;
begin
Result := 0;
for i := 0 to src.Count - 1 do
begin
n := strWidth( src[i] );
Result := max( Result, n );
end;
end;
}
var
paragraphs : TStringList; //ñþäà ñêëàäûâàþòñÿ àáçàöû, ïîòîì âíóòðè íèõ ïðîèçâîäèòñÿ âûðàâíèâàíèå
word : TStringList; //ñþäà ñêëàäûâàþòñÿ ñëîâà èç òåêóùåãî àáçàöà
i : integer;
j : integer;
k : integer;
n : integer;
str : string;
tabWidth : integer;
tab : string;
w : integer;
flRedword : boolean;
//redword : string;
len : integer;
firstWord : integer;
space : string;
spaces : string;
spaceNum : integer;
begin
Result := TStringList.Create();
//âûÿñíÿåì, êàêîé øèðèíû äîëæåí áûòü îòñòóï äëÿ êðàñíûõ ñòðîê.
//åñëè ñòðîêà íà÷èíàåòñÿ ñ ïðîáåëà, òî ïîäñ÷èòûâàåì, ñêîëüêî
//ïðîáåëîâ â ýòîé êðàñíîé ñòðîêå. áåðåì ìàêñèìàëüíûé èç îòñòóïîâ.
//áåðåì ìèíèìóì îò ýòîãî ÷èñëà è 8
tabWidth := min( getDocTabWidth(), 8 );
tab := '';
for i := 1 to tabWidth do
begin
// ôîðìèðóåì êðàñíóþ ñòðîêó
tab := tab + ' ';
end;
//ôîðìèðóåì ïàðàãðàôû
paragraphs := TStringList.Create;
paragraphs.Clear();
i := 0;
{
if ( i > src.Count - 1 ) then
begin
exit;
end;
}
while ( i <= src.Count - 1 ) do
begin
str := TrimRight( src[i] );
if ( strWidth( str, tab ) < width ) then
//åñëè øèðèíà ñòðîêè ìåíüøå width, ñ÷èòàåì åå îòäåëüíûì ïàðàãðàôîì
begin
if ( ( str <> '' ) and ( str[1] = ' ' ) ) then
begin
n := getStrTabWidth( str );
if ( n <= tabWidth ) then
begin
str := marker + TrimLeft( str );//ïî ñèìâîëó marker ìû ïîòîì óçíàåì, ÷òî òóò áûëî íà÷àëî ïàðàãðàôà
end
else
begin
//îñòàâèì âñå, êàê åñòü. òåêóùàÿ ñòðîêà - òî ÷òî-òî âðîäå
//' ÑÎÎÁÙÅÍÈÅ'
end;
end;
paragraphs.Append( str );
inc( i );
continue;
end;
//øèðèíà ñòðîêè áîëüøå width ñèìâîëîâ, çíà÷èò, òåêóùèé ïàðàãðàô
//ñîäåðæèò áîëüøå îäíîé ñòðîêè. íóæíî íàéòè åãî êîíåö
//åñëè ñòðîêà íà÷èíàåòñÿ ñ ïðîáåëà, òî ýòî - êðàñíàÿ ñòðîêà.
if ( str[1] = ' ' ) then
begin
n := getStrTabWidth( str );
if ( n <= tabWidth ) then
begin
str := marker + TrimLeft( str );//ïî ïðîáåëó ìû ïîòîì óçíàåì, ÷òî òóò áûëî íà÷àëî ïàðàãðàôà
end
else
begin
//îñòàâèì âñå, êàê åñòü. òåêóùàÿ ñòðîêà - òî ÷òî-òî âðîäå
//' ÑÎÎÁÙÅÍÈÅ'
end;
end;
//åñëè òåêóùàÿ ñòðîêà çàêàí÷èâàåòñÿ íà '-', òî ýòî,
//âîçìîæíî, ïåðåíîñ. ñðåäñòâ âûÿñíèòü ýòî - íåò.
//ïîýòîìó, ïðîñòî íå áóäåì ñòàâèòü â êîíöå ñòðîêè ïðîáåë
if ( str[ Length(str) ] <> '-' ) then
begin
str := str + ' ';
end;
j := paragraphs.Add( str );
inc( i );
if ( i > src.Count - 1 ) then
begin
break;
end;
while ( ( str <> '' ) and ( str[1] <> ' ' ) ) do
//while ( i < src.Count - 1 ) do
begin
str := TrimRight( src[i] );
if ( ( str = '' ) or ( str[1] = ' ' ) ) then
begin
break;
end;
len := Length( str );
if ( str[ len ] <> '-' ) then
begin
str := str + ' ';
end;
paragraphs[j] := paragraphs[j] + str;
// åñëè â êîíöå ñòðîêè åñòü ÷òî-òî, ñâèäåòåëüñòâóþùåå î òîì,
// ÷òî íàäî ïåðåíåñòè ñòðîêó, à ñàìà ñòðîêà "íåî÷åíü äëèííàÿ",
// ïðåäïîëàãàåì, ÷òî ýòî êîíåö ïàðàãðàôà
if ( ( str[ len ] in returnCarriageSymbols )
and ( strWidth( str, tab ) < 4 * trunc( width / 5 ) )
) then
begin
break;
end;
// ñäâèãàåìñÿ íà ñëåäóþùóþ ñòðîêó
inc( i );
if ( i > src.Count - 1 ) then
begin
break;
end;
str := TrimRight( src[i] );
end;
end;
//óäàëÿåì èç âñåõ ïàðàãðàôîâ ëèøíèå ïðîáåëû
for i := 0 to paragraphs.Count - 1 do
begin
str := paragraphs[i];
if ( str = '' ) then
begin
continue;
end;
if ( Pos( marker, str ) <= 0 ) then
begin
w := width;
end
else
begin
w := width - tabWidth;
end;
if ( strWidth( str, tab ) > w ) then
begin
j := 1;
if ( str <> '' ) then
begin // Èùåì ìåñòà, ãäå íåñêîëüêî ïðîáåëîâ èäóò ïîäðÿä
while ( j < Length( str ) ) do // È çàìåíÿåì èõ íà îäèí ïðîáåë
begin
if ( str[j] = ' ' ) then
begin
while ( str[j + 1] = ' ' ) do
begin
Delete( str, j + 1, 1 );
end;
end;
Inc( j );
end;
paragraphs[i] := str;
end;
end;
end;
//ïðîñòàâëÿåì êðàñíûå ñòðîêè
{
for i := 0 to paragraphs.Count - 1 do
begin
paragraphs[i] := StringReplace( paragraphs[i], marker, tab, [rfReplaceAll] );
end;
}
word := TStringList.Create();
word.Clear();
//âïèñûâàåì ïàðàãðàôû â ñòðîêè øèðèíîé ðîâíî width ñèìâîëîâ
for i := 0 to paragraphs.Count - 1 do
begin
if ( strWidth( paragraphs[i], tab ) <= width ) then
begin
paragraphs[i] := StringReplace( paragraphs[i], marker, tab, [rfReplaceAll] );
Result.Append( paragraphs[i] );
continue;
end;
k := 0;
j := 1;
// ïðîñòàâëÿåì êðàñíóþ ñòðîêó, åñëè íàäî
flRedword := false;
if ( Pos( marker, paragraphs[i] ) > 0 ) then
begin
k := Length( marker ) + 1;
j := k + 1;
flRedword := true;
end;
// ðàçáèâàåì ïàðàãðàôû íà ñëîâà
while( j <= Length( paragraphs[i] ) ) do
begin
while ( ( j <= Length( paragraphs[i] ) ) and ( paragraphs[i][j] <> ' ' ) ) do
begin
inc( j );
end;
if ( j - k > width ) then // ïîïàëîñü ñëîâî, êîòîðîå øèðå ïðåäîñòàâëåííîé øèðèíû
begin
// ðàçáèâàåì åãî íà ïîäñëîâà
// k - íà÷àëî ñëîâà, j - îêîí÷àíèå ñëîâà
repeat
word.AddObject( Copy( paragraphs[i], k, width ), TObject( width ) );
inc( k, width );
until ( j - k <= width );
end;
word.AddObject( Copy( paragraphs[i], k, j - k ), TObject( j - k ) );
k := j + 1;
inc( j, 2 );
end;
str := '';
len := 0;
if ( flRedword ) then
begin
str := tab;
len := tabWidth;
end;
k := 0;//êîëè÷åñòâî ïðîáåëîâ
firstWord := 0;
//redword := '';
for j := 0 to word.Count - 1 do
begin
if ( len + integer( word.Objects[j] ) > width ) then
begin
n := 0;
if ( k > 1 ) then
begin
dec( k );
n := width - ( len - 1 );//êîëè÷åñòâî ïðîáåëîâ, êîòîðûå íàäî ðàçáðîñàòü
spaceNum := n div k;//ìèíèìóì ïðîáåëîâ, êîòîðûé ïîíàäîáèòñÿ âñòàâèòü ìåæäó ñëîâàìè
spaces := ' ';//ìåæäó äâóìÿ ñëîâàìè óæå äîëæíî áûòü ïî îäíîìó ïðîáåëó
for w := 0 to spaceNum - 1 do
begin
spaces := spaces + ' ';
end;
n := n mod k;//èçáûòîê ïðîáåëîâ, êîòîðûå íàäî ðàçáðîñàòü óæå îñîáûì îáðàçîì
end;
space := '';
for w := firstWord to j - 1 do
begin
str := str + space + word[w];
space := spaces;
if ( n > 0 ) then
begin
space := space + ' ';
dec( n );
end;
end;
firstWord := j;
//str := redword + str;
//redword := #13#10;
Result.Append( str );
str := '';
k := 1;
len := integer( word.Objects[j] ) + 1;
end
else if ( len + integer( word.Objects[j] ) = width ) then
begin
space := '';
for n := firstWord to j do
begin
str := str + space + word[n];
space := ' ';
end;
Result.Append( str );
if ( j < word.Count - 1 ) then
begin
firstWord := j + 1;
len := 0;
end
else
begin
firstWord := -1;//òàê ìû óçíàåì, ÷òî ïîñëåäíÿÿ ñòðîêà ïóñòà
end;
//str := redword + str;
//redword := #13#10;
str := '';
k := 0;
end
else
begin
inc( len, integer( word.Objects[j] ) + 1 );
inc( k );
end;
//str := str + word[j] + ' ';
end;
if ( firstWord > 0 ) then
begin
space := '';
for n := firstWord to word.Count - 1 do
begin
str := str + space + word[n];
space := ' ';
end;
if ( length(str) > width ) then
begin
if ( length(str) > width ) then;
end;
Result.Append( str );
end;
word.Clear();
end;
{
I:=1;
repeat
J:=I+1;
while (J<=Length(Text)) and (Text[J]<>' ') do // Èä¸ì äî ïåðâîãî ïðîáåëà èëè äî êîíöà òåêñòà
Inc(J);
if PBox.Canvas.TextWidth(Copy(Text,I,J-I))<=PBox.Width then // Äîáàâëÿåì ñëîâî ê èìåþùåéñÿ ñòðîêå
S:=Copy(Text,I,J-I) // Åñëè øèðèíà ñòðîêè íå ïðåâûøàåò øèðèíó
else // PBox'à - äîáàâëÿåì ñëîâî.
begin
S:=GetWordPart(Copy(Text,I,J-I),PBox.Width,False,K); // À åñëè ïðåâûøàåò - ïûòàåìñÿ ðàçáèòü
Inc(J,K) // ñëîâî íà ÷àñòè ïåðåíîñàìè
end;
I:=J+1;
while I<=Length(Text) do // À òåïåðü òî æå ñàìîå äëÿ îñòàëüíûõ ñëîâ
begin
J:=I+1;
while (J<=Length(Text)) and (Text[J]<>' ') do
Inc(J);
if PBox.Canvas.TextWidth(S+' '+Copy(Text,I,J-I))<PBox.Width then
S:=S+' '+Copy(Text,I,J-I)
else
begin
S:=S+GetWordPart(Copy(Text,I,J-I),PBox.Width-PBox.Canvas.TextWidth(S),True,K);
I:=I+K; // Åñëè ñëîâî íå ïîìåùàåòñÿ öåëèêîì, ðàçáèâàåì
Break // åãî íà ÷àñòè è ñíîâà
end;
I:=J+1
end;
List.Add(S) // Äîáàâëÿåì ñòðîêó
until I>Length(Text) // Åñëè òåêñò íå êîí÷èëñÿ, ïåðåõîäèì ê
// ôîðìèðîâàíèþ ñëåäóþùåé ñòðîêè.
}
{
Result := TStringList.Create();
Result.Assign( paragraphs );
}
paragraphs.Free();
word.Free();
end;
{$ENDIF}
(*
{**********************************************************************************************
* max
***********************************************************************************************}
function max( a : integer; b : integer ) : integer;
begin
if ( a > b ) then
begin
Result := a;
end
else
begin
Result := b;
end;
end;
{**********************************************************************************************
* min
***********************************************************************************************}
function min( a : integer; b : integer ) : integer;
begin
if ( a < b ) then
begin
Result := a;
end else
begin
Result := b;
end;
end;
*)
{******************************************************************************
* FetchEx
******************************************************************************}
function FetchEx( var Value : string; const Delimiter, Quotation: string ) : string;
var
n : integer;
b : boolean;
begin
Result := '';
b := False;
n := 1;
while ( n <= Length( Value ) ) do
begin
if ( b ) then
begin
if Pos( Quotation, Value ) = 1 then
b := False;
Result := Result + Value[1];
Delete(Value, 1, 1);
end else
begin
if Pos(Delimiter, Value) = 1 then
begin
Delete( Value, 1, Length(delimiter) );
break;
end;
b := Pos(Quotation, Value) = 1;
Result := Result + Value[1];
Delete(Value, 1, 1);
end;
end;
end;
{******************************************************************************
* ParseParametersEx
******************************************************************************}
procedure ParseParametersEx( aValue, aDelimiter : string; const aParameters : TStrings; flClearQuotation : boolean = false; aLimit : integer = 0 );
var
s : string;
i : integer;
begin
i := 0;
aParameters.Clear();
while ( aValue <> '' ) do
begin
s := Trim( FetchEx( aValue, aDelimiter, '"' ) );
if flClearQuotation then