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{************************************************************************} |
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{ } |
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{ Borland Delphi Visual Component Library } |
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{ InterBase Express core components } |
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{ } |
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{ Copyright (c) 1998-2000 Inprise Corporation } |
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{ } |
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{ InterBase Express is based in part on the product } |
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{ Free IB Components, written by Gregory H. Deatz for } |
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{ Hoagland, Longo, Moran, Dunst & Doukas Company. } |
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{ Free IB Components is used under license. } |
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{ } |
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{ The contents of this file are subject to the InterBase } |
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{ Public License Version 1.0 (the "License"); you may not } |
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{ use this file except in compliance with the License. You } |
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{ may obtain a copy of the License at http://www.Inprise.com/IPL.html } |
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{ Software distributed under the License is distributed on } |
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{ an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either } |
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{ express or implied. See the License for the specific language } |
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{ governing rights and limitations under the License. } |
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{ The Original Code was created by InterBase Software Corporation } |
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{ and its successors. } |
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{ Portions created by Inprise Corporation are Copyright (C) Inprise } |
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{ Corporation. All Rights Reserved. } |
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{ Contributor(s): Jeff Overcash } |
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{ } |
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{ IBX For Lazarus (Firebird Express) } |
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{ Contributor: Tony Whyman, MWA Software http://www.mwasoftware.co.uk } |
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{ Portions created by MWA Software are copyright McCallum Whyman } |
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{ Associates Ltd 2011 } |
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{ } |
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{************************************************************************} |
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|
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unit IBUtils; |
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|
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{$Mode Delphi} |
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|
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interface |
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|
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uses |
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{$IFDEF WINDOWS } |
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Windows, |
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{$ELSE} |
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unix, |
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{$ENDIF} |
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Classes, SysUtils; |
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|
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const |
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CRLF = #13 + #10; |
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CR = #13; |
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LF = #10; |
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TAB = #9; |
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NULL_TERMINATOR = #0; |
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|
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function Max(n1, n2: Integer): Integer; |
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function Min(n1, n2: Integer): Integer; |
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function RandomString(iLength: Integer): String; |
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function RandomInteger(iLow, iHigh: Integer): Integer; |
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function StripString(st: String; CharsToStrip: String): String; |
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function FormatIdentifier(Dialect: Integer; Value: String): String; |
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function FormatIdentifierValue(Dialect: Integer; Value: String): String; |
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function ExtractIdentifier(Dialect: Integer; Value: String): String; |
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function QuoteIdentifier(Dialect: Integer; Value: String): String; |
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|
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implementation |
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|
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function Max(n1, n2: Integer): Integer; |
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begin |
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if (n1 > n2) then |
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result := n1 |
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else |
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result := n2; |
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end; |
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|
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function Min(n1, n2: Integer): Integer; |
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begin |
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if (n1 < n2) then |
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result := n1 |
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else |
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result := n2; |
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end; |
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|
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function RandomString(iLength: Integer): String; |
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begin |
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result := ''; |
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while Length(result) < iLength do |
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result := result + IntToStr(RandomInteger(0, High(Integer))); |
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if Length(result) > iLength then |
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result := Copy(result, 1, iLength); |
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end; |
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|
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function RandomInteger(iLow, iHigh: Integer): Integer; |
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begin |
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result := Trunc(Random(iHigh - iLow)) + iLow; |
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end; |
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|
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function StripString(st: String; CharsToStrip: String): String; |
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var |
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i: Integer; |
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begin |
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result := ''; |
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for i := 1 to Length(st) do begin |
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if AnsiPos(st[i], CharsToStrip) = 0 then |
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result := result + st[i]; |
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end; |
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end; |
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|
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function FormatIdentifier(Dialect: Integer; Value: String): String; |
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begin |
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Value := Trim(Value); |
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if Dialect = 1 then |
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Value := AnsiUpperCase(Value) |
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else |
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if (Value <> '') and (Value[1] = '"') then |
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Value := '"' + StringReplace (TrimRight(Value), '"', '""', [rfReplaceAll]) + '"' |
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else |
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Value := AnsiUpperCase(Value); |
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Result := Value; |
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end; |
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|
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function FormatIdentifierValue(Dialect: Integer; Value: String): String; |
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begin |
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Value := Trim(Value); |
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if Dialect = 1 then |
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Value := AnsiUpperCase(Value) |
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else |
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begin |
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if (Value <> '') and (Value[1] = '"') then |
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begin |
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Delete(Value, 1, 1); |
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Delete(Value, Length(Value), 1); |
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Value := StringReplace (Value, '""', '"', [rfReplaceAll]); |
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end |
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else |
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Value := AnsiUpperCase(Value); |
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end; |
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Result := Value; |
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end; |
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|
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function ExtractIdentifier(Dialect: Integer; Value: String): String; |
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begin |
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Value := Trim(Value); |
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if Dialect = 1 then |
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Value := AnsiUpperCase(Value) |
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else |
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begin |
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if (Value <> '') and (Value[1] = '"') then |
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begin |
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Delete(Value, 1, 1); |
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Delete(Value, Length(Value), 1); |
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Value := StringReplace (Value, '""', '"', [rfReplaceAll]); |
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end |
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else |
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Value := AnsiUpperCase(Value); |
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end; |
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Result := Value; |
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end; |
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|
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function QuoteIdentifier(Dialect: Integer; Value: String): String; |
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begin |
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if Dialect = 1 then |
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Value := AnsiUpperCase(Trim(Value)) |
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else |
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Value := '"' + Value + '"'; |
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Result := Value; |
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end; |
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|
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end. |
