96 lines
2.6 KiB
ObjectPascal
96 lines
2.6 KiB
ObjectPascal
{*
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* SQLite for Delphi and FreePascal/Lazarus
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*
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* This unit contains miscellaneous utility functions
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*
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* Copyright 2010-2013 Yury Plashenkov
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* http://plashenkov.github.com/sqlite/
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*
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* The MIT License (MIT)
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*}
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unit SQLite3Utils;
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{$IFDEF FPC}
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{$MODE DELPHI}
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{$ENDIF}
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interface
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function StrToUTF8(const S: WideString): AnsiString;
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function UTF8ToStr(const S: PAnsiChar; const Len: Integer = -1): WideString;
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function QuotedStr(const S: WideString): WideString;
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function FloatToSQLStr(Value: Extended): WideString;
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implementation
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uses
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{$IFNDEF FPC}Windows,{$ENDIF} SysUtils;
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function StrToUTF8(const S: WideString): AnsiString;
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begin
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Result := UTF8Encode(S);
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end;
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function UTF8ToStr(const S: PAnsiChar; const Len: Integer): WideString;
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var
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UTF8Str: AnsiString;
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begin
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if Len < 0 then
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begin
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Result := UTF8Decode(S);
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end
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else if Len > 0 then
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begin
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SetLength(UTF8Str, Len);
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Move(S^, UTF8Str[1], Len);
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Result := UTF8Decode(UTF8Str);
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end
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else Result := '';
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end;
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function QuotedStr(const S: WideString): WideString;
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const
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Quote = #39;
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var
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I: Integer;
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begin
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Result := S;
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for I := Length(Result) downto 1 do
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if Result[I] = Quote then Insert(Quote, Result, I);
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Result := Quote + Result + Quote;
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end;
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function FloatToSQLStr(Value: Extended): WideString;
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var
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FS: TFormatSettings;
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begin
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{$IFDEF FPC}
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FS := DefaultFormatSettings;
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{$ELSE}
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GetLocaleFormatSettings(GetThreadLocale, FS);
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{$ENDIF}
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FS.DecimalSeparator := '.';
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Result := FloatToStr(Value, FS);
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end;
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end.
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