121 lines
3.0 KiB
ObjectPascal
121 lines
3.0 KiB
ObjectPascal
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{******************************************************************
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JEDI-VCL Demo
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Copyright (C) 2002 Project JEDI
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Original author:
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Contributor(s):
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You may retrieve the latest version of this file at the JEDI-JVCL
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home page, located at http://jvcl.sourceforge.net
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The contents of this file are used with permission, subject to
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the Mozilla Public License Version 1.1 (the "License"); you may
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not use this file except in compliance with the License. You may
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obtain a copy of the License at
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http://www.mozilla.org/MPL/MPL-1_1Final.html
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Software distributed under the License is distributed on an
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"AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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implied. See the License for the specific language governing
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rights and limitations under the License.
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******************************************************************}
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unit ClassQueryDisplay;
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interface
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uses
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Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
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Dialogs, JvXmlDatabase;
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type
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TQueryDisplayer = class
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private
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FParent: TObject;
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public
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constructor Create(AOwner: TObject);
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procedure Generate(const AQuery: TJvXmlQuery; ATemplate: string; AOutput: TStream);
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end;
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implementation
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uses
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JvSimpleXml, ClassScript;
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{ TQueryDisplayer }
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{**********************************************************************}
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constructor TQueryDisplayer.Create(AOwner: TObject);
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begin
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FParent := AOwner;
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end;
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{**********************************************************************}
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procedure TQueryDisplayer.Generate(const AQuery: TJvXmlQuery;
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ATemplate: string; AOutput: TStream);
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var
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st, st2, st3, lToken: string;
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i, j, k: Integer;
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begin
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//Get Text for template
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with TStringList.Create do
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try
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LoadFromFile(ATemplate);
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st := Text;
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finally
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Free;
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end;
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for i:=0 to AQuery.Results.Items.Count-1 do
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begin
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st2 := '';
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k := 0;
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for j:=1 to Length(st) do
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case st[j] of
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'%':
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begin
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if k = 0 then
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begin
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k := 1;
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lToken := '';
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end
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else
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begin
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st3 := AQuery.Results.Items[i].Properties.Value(lToken);
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if st3 = '' then
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st3 := AQuery.Results.Items.Value(lToken);
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if (st3 = '') and (FParent<>nil) then
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st3 := TScriptHandler(FParent).GetParam(lToken);
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st2 := st2 + st3;
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k := 0;
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end;
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end;
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' ', #9, #13, #10:
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begin
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if k <> 0 then
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begin
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st2 := st2 + '%' + lToken;
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k := 0;
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end;
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st2 := st2 + st[j];
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end;
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else
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if k = 0 then
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st2 := st2 + st[j]
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else
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lToken := lToken + st[j];
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end;
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AOutput.Write(st2[1], Length(st2));
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end;
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end;
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{**********************************************************************}
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end.
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