trunk/runtime/IBUtils.pas

{************************************************************************}
{                                                                        }
{       Borland Delphi Visual Component Library                          }
{       InterBase Express core components                                }
{                                                                        }
{       Copyright (c) 1998-2000 Inprise Corporation                      }
{                                                                        }
{    InterBase Express is based in part on the product                   }
{    Free IB Components, written by Gregory H. Deatz for                 }
{    Hoagland, Longo, Moran, Dunst & Doukas Company.                     }
{    Free IB Components is used under license.                           }
{                                                                        }
{    The contents of this file are subject to the InterBase              }
{    Public License Version 1.0 (the "License"); you may not             }
{    use this file except in compliance with the License. You            }
{    may obtain a copy of the License at http://www.Inprise.com/IPL.html }
{    Software distributed under the License is distributed on            }
{    an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either              }
{    express or implied. See the License for the specific language       }
{    governing rights and limitations under the License.                 }
{    The Original Code was created by InterBase Software Corporation     }
{       and its successors.                                              }
{    Portions created by Inprise Corporation are Copyright (C) Inprise   }
{       Corporation. All Rights Reserved.                                }
{    Contributor(s): Jeff Overcash                                       }
{                                                                        }
{************************************************************************}

unit IBUtils;

interface

uses
  Windows, Classes, SysUtils;

const
  CRLF = #13 + #10;
  CR   = #13;
  LF   = #10;
  TAB  = #9;
  NULL_TERMINATOR = #0;

function Max(n1, n2: Integer): Integer;
function Min(n1, n2: Integer): Integer;
function RandomString(iLength: Integer): String;
function RandomInteger(iLow, iHigh: Integer): Integer;
function StripString(st: String; CharsToStrip: String): String;
function FormatIdentifier(Dialect: Integer; Value: String): String;
function FormatIdentifierValue(Dialect: Integer; Value: String): String;
function ExtractIdentifier(Dialect: Integer; Value: String): String;

implementation

function Max(n1, n2: Integer): Integer;
begin
  if (n1 > n2) then
    result := n1
  else
    result := n2;
end;

function Min(n1, n2: Integer): Integer;
begin
  if (n1 < n2) then
    result := n1
  else
    result := n2;
end;

function RandomString(iLength: Integer): String;
begin
  result := '';
  while Length(result) < iLength do
    result := result + IntToStr(RandomInteger(0, High(Integer)));
  if Length(result) > iLength then
    result := Copy(result, 1, iLength);
end;

function RandomInteger(iLow, iHigh: Integer): Integer;
begin
  result := Trunc(Random(iHigh - iLow)) + iLow;
end;

function StripString(st: String; CharsToStrip: String): String;
var
  i: Integer;
begin
  result := '';
  for i := 1 to Length(st) do begin
    if AnsiPos(st[i], CharsToStrip) = 0 then
      result := result + st[i];
  end;
end;

function FormatIdentifier(Dialect: Integer; Value: String): String;
begin
  Value := Trim(Value);
  if Dialect = 1 then
    Value := AnsiUpperCase(Value)
  else
    if (Value <> '') and (Value[1] = '"') then
      Value := '"' + StringReplace (TrimRight(Value), '"', '""', [rfReplaceAll]) + '"'
    else
      Value := AnsiUpperCase(Value);
  Result := Value;
end;

function FormatIdentifierValue(Dialect: Integer; Value: String): String;
begin
  Value := Trim(Value);
  if Dialect = 1 then
    Value := AnsiUpperCase(Value)  
  else
  begin
    if (Value <> '') and (Value[1] = '"') then
    begin
      Delete(Value, 1, 1);
      Delete(Value, Length(Value), 1);
      Value := StringReplace (Value, '""', '"', [rfReplaceAll]);
    end
    else
      Value := AnsiUpperCase(Value);
  end;
  Result := Value;
end;

function ExtractIdentifier(Dialect: Integer; Value: String): String;
begin
  Value := Trim(Value);
  if Dialect = 1 then
    Value := AnsiUpperCase(Value)
  else
  begin
    if (Value <> '') and (Value[1] = '"') then
    begin
      Delete(Value, 1, 1);
      Delete(Value, Length(Value), 1);
      Value := StringReplace (Value, '""', '"', [rfReplaceAll]);
    end
    else
      Value := AnsiUpperCase(Value);
  end;
  Result := Value;
end;

end.
Revision:	1
Committed:	Mon Jul 31 16:43:00 2000 UTC (23 years, 9 months ago) by tony
Content type:	text/x-pascal
File size:	4747 byte(s)
Log Message:	Borland IBX Open Source Release
#	User	Rev	Content
1	tony	1	{************************************************************************}
2			{ }
3			{ Borland Delphi Visual Component Library }
4			{ InterBase Express core components }
5			{ }
6			{ Copyright (c) 1998-2000 Inprise Corporation }
7			{ }
8			{ InterBase Express is based in part on the product }
9			{ Free IB Components, written by Gregory H. Deatz for }
10			{ Hoagland, Longo, Moran, Dunst & Doukas Company. }
11			{ Free IB Components is used under license. }
12			{ }
13			{ The contents of this file are subject to the InterBase }
14			{ Public License Version 1.0 (the "License"); you may not }
15			{ use this file except in compliance with the License. You }
16			{ may obtain a copy of the License at http://www.Inprise.com/IPL.html }
17			{ Software distributed under the License is distributed on }
18			{ an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either }
19			{ express or implied. See the License for the specific language }
20			{ governing rights and limitations under the License. }
21			{ The Original Code was created by InterBase Software Corporation }
22			{ and its successors. }
23			{ Portions created by Inprise Corporation are Copyright (C) Inprise }
24			{ Corporation. All Rights Reserved. }
25			{ Contributor(s): Jeff Overcash }
26			{ }
27			{************************************************************************}
28
29			unit IBUtils;
30
31			interface
32
33			uses
34			Windows, Classes, SysUtils;
35
36			const
37			CRLF = #13 + #10;
38			CR = #13;
39			LF = #10;
40			TAB = #9;
41			NULL_TERMINATOR = #0;
42
43			function Max(n1, n2: Integer): Integer;
44			function Min(n1, n2: Integer): Integer;
45			function RandomString(iLength: Integer): String;
46			function RandomInteger(iLow, iHigh: Integer): Integer;
47			function StripString(st: String; CharsToStrip: String): String;
48			function FormatIdentifier(Dialect: Integer; Value: String): String;
49			function FormatIdentifierValue(Dialect: Integer; Value: String): String;
50			function ExtractIdentifier(Dialect: Integer; Value: String): String;
51
52			implementation
53
54			function Max(n1, n2: Integer): Integer;
55			begin
56			if (n1 > n2) then
57			result := n1
58			else
59			result := n2;
60			end;
61
62			function Min(n1, n2: Integer): Integer;
63			begin
64			if (n1 < n2) then
65			result := n1
66			else
67			result := n2;
68			end;
69
70			function RandomString(iLength: Integer): String;
71			begin
72			result := '';
73			while Length(result) < iLength do
74			result := result + IntToStr(RandomInteger(0, High(Integer)));
75			if Length(result) > iLength then
76			result := Copy(result, 1, iLength);
77			end;
78
79			function RandomInteger(iLow, iHigh: Integer): Integer;
80			begin
81			result := Trunc(Random(iHigh - iLow)) + iLow;
82			end;
83
84			function StripString(st: String; CharsToStrip: String): String;
85			var
86			i: Integer;
87			begin
88			result := '';
89			for i := 1 to Length(st) do begin
90			if AnsiPos(st[i], CharsToStrip) = 0 then
91			result := result + st[i];
92			end;
93			end;
94
95			function FormatIdentifier(Dialect: Integer; Value: String): String;
96			begin
97			Value := Trim(Value);
98			if Dialect = 1 then
99			Value := AnsiUpperCase(Value)
100			else
101			if (Value <> '') and (Value[1] = '"') then
102			Value := '"' + StringReplace (TrimRight(Value), '"', '""', [rfReplaceAll]) + '"'
103			else
104			Value := AnsiUpperCase(Value);
105			Result := Value;
106			end;
107
108			function FormatIdentifierValue(Dialect: Integer; Value: String): String;
109			begin
110			Value := Trim(Value);
111			if Dialect = 1 then
112			Value := AnsiUpperCase(Value)
113			else
114			begin
115			if (Value <> '') and (Value[1] = '"') then
116			begin
117			Delete(Value, 1, 1);
118			Delete(Value, Length(Value), 1);
119			Value := StringReplace (Value, '""', '"', [rfReplaceAll]);
120			end
121			else
122			Value := AnsiUpperCase(Value);
123			end;
124			Result := Value;
125			end;
126
127			function ExtractIdentifier(Dialect: Integer; Value: String): String;
128			begin
129			Value := Trim(Value);
130			if Dialect = 1 then
131			Value := AnsiUpperCase(Value)
132			else
133			begin
134			if (Value <> '') and (Value[1] = '"') then
135			begin
136			Delete(Value, 1, 1);
137			Delete(Value, Length(Value), 1);
138			Value := StringReplace (Value, '""', '"', [rfReplaceAll]);
139			end
140			else
141			Value := AnsiUpperCase(Value);
142			end;
143			Result := Value;
144			end;
145
146			end.