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harbour-core/harbour/samples/guestbk/guestbk.prg

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/*
* $Id$
*/
/*
Harbour Project source code
This file contains source for a script of a Guestbook
Copyright (C) 1999 Felipe G. Coury <fcoury@creation.com.br>
www - http://www.harbour-project.org
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
*
* As a special exception, the Harbour Project gives permission for
* additional uses of the text contained in its release of Harbour.
*
* The exception is that, if you link the Harbour libraries with other
* files to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the Harbour library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the Harbour
* Project under the name Harbour. If you copy code from other
* Harbour Project or Free Software Foundation releases into a copy of
* Harbour, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for Harbour, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*/
FUNCTION Main()
LOCAL oIni := TIniFile():New( "c:\inetpub\wwwroot\guestbk.ini" )
LOCAL oHTML := THTML():New()
LOCAL aEntr := {}
LOCAL cOddColor, cEvenColor
LOCAL cCode, i, j, l, cField, nEntry, cColor
LOCAL aEntries, aLine, cLine
oHTML:ProcessCGI()
IF oHTML:QueryFields( "Oper" ) = "A" // Add Entry
nEntry := oIni:ReadNumber( "Entries", "Entries", 0 ) + 1
oIni:WriteNumber( "Entries", "Entries", nEntry )
// Reads all "Header" fields from CGI
FOR i := 1 TO oIni:ReadNumber( "Header", "DataFields", 0 )
cField := oIni:ReadString( "Header", "DataField"+ltrim(str(i)), "" )
oIni:WriteString( "Entries", cField + ltrim(str(nEntry)), ;
strtran( strtran( oHTML:QueryFields( cField ), chr(10), "" ), chr(13), "<BR>" ) )
NEXT
// Write fields to .ini file
oIni:WriteString( "Entries", "DateTime" + ltrim(str(nEntry)), ;
cmonth( date() ) + " " + ltrim(str(day(date()))) + ", " + ;
ltrim(str(year(date()))) + " " + time() )
oIni:UpdateFile()
oHTML:cContent := '<HTML><HEAD><META HTTP-EQUIV="Refresh" ' + ;
'CONTENT="0;URL=/cgi-bin/guestbk.exe"></HEAD>' + ;
'<BODY></BODY></HTML>'
oHTML:ShowResult()
ELSE
// Sets the metahtml file
oHTML:SetHTMLFile( "c:\inetpub\wwwroot\guestbk.htm" )
// Retrieves odd and even entries color
cOddColor := oIni:ReadString( "Header", "OddColor", "#FFFFFF" )
cEvenColor := oIni:ReadString( "Header", "EvenColor", "#F0F0F0" )
cCode := ""
i := oIni:ReadNumber( "Entries", "Entries", 0 )
aEntries := {}
// Preprocess entries and stores in aEntries
DO WHILE i > 0
aLine := {}
FOR j := 1 TO oIni:ReadNumber( "Header", "DataFields", 0 )
cField := oIni:ReadString( "Header", "DataField" + ltrim( str(j) ), "" )
aadd( aLine, { cField, ;
oIni:ReadString( "Entries", cField + ltrim( str(i) ), "" ) } )
NEXT
aadd( aEntries, aLine )
i--
ENDDO
cCode := ""
// Formats each line according to the INI file
FOR i := 1 TO len( aEntries )
cCode += "<TABLE WIDTH=100% CELLSPACING=0>" + chr(13) + chr(10)
cColor := if( Mod( i, 2 ) == 0, cEvenColor, cOddColor )
FOR j := 1 TO oIni:ReadNumber( "Format", "FormatLines", 0 )
cCode += "<TR><TD BGCOLOR='" + cColor +"'>"
cLine := oIni:ReadString( "Format", "Format" + ltrim(str(j)), "" )
FOR l := 1 TO len( aEntries[i] )
cLine := strtran( cLine, "<#" + aEntries[i,l,1] + ">", ;
aEntries[i,l,2] )
NEXT
cLine := strtran( cLine, "<#DateTime>", ;
oIni:ReadString( "Entries", "DateTime" + ltrim(str(len(aEntries)-i+1)), "" ) )
cCode += cLine + "</TD></TR>" + chr(13)+chr(10)
NEXT
cCode += "</TABLE>" + chr(13)+chr(10)
NEXT
// Generates the output
oHTML:AddReplaceTag( "Entries", cCode )
oHTML:Generate()
oHTML:ShowResult()
ENDIF
RETURN( NIL )