302 lines
8.1 KiB
Plaintext
302 lines
8.1 KiB
Plaintext
/*
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*
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* TestCGI.PRG
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* Harbour Test of a CGI/HTML-Generator class.
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*
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* 1999/05/30 First implementation.
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*
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* Tips: - Use ShowResults to make dynamic html (to test dynamic
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* results, put the exe file on CGI-BIN dir or equivalent);
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* - Use SaveToFile to make static html page
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*
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* 1999/05/31 Initial CGI functionality.
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* 1999/06/01 Translated %nn to correct chars.
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*
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**/
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#include "CGI.ch"
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#define NewLine chr(10)+chr(13)
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FUNCTION Main()
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LOCAL oHTML := THTML():New()
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LOCAL cName := ""
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cName := oHTML:QueryFields( "NAME" )
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oHTML:SetTitle( "Harbour CGI Scripting Demo" )
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oHTML:AddHead( "Harbour CGI Scripting DEMO" )
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oHTML:AddPara( "<UL>" + NewLine + ;
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"<LI>Name: " + oHTML:QueryFields( "Name" ) + NewLine + ;
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"<LI>Phone: " + oHTML:QueryFields( "Phone" ) + NewLine + ;
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"<LI>Address: " + oHTML:QueryFields( "Address" ) + NewLine + ;
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"</UL><P><HR><SMALL><CENTER>Copyright © 1999 by Harbour Project" + ;
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"<BR>Generated at: " + dtoc( date() ) + " - " + time(), "LEFT" )
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oHTML:Generate()
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// Uncomment the following if you don't have a Web Server to test
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// this sample
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// oHTML:SaveToFile( "test.htm" )
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// If the above is uncommented, you may comment this line:
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oHTML:ShowResult()
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RETURN( NIL )
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FUNCTION Hex2Dec( cHex )
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LOCAL aHex := { { "0", 00 }, ;
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{ "1", 01 }, ;
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{ "2", 02 }, ;
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{ "3", 03 }, ;
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{ "4", 04 }, ;
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{ "5", 05 }, ;
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{ "6", 06 }, ;
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{ "7", 07 }, ;
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{ "8", 08 }, ;
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{ "9", 09 }, ;
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{ "A", 10 }, ;
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{ "B", 11 }, ;
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{ "C", 12 }, ;
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{ "D", 13 }, ;
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{ "E", 14 }, ;
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{ "F", 15 } }
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LOCAL nRet
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LOCAL nRes
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nRet := ascan( aHex, { |x| upper( x[1] ) = upper( left( cHex, 1 ) ) } )
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nRes := aHex[nRet, 2] * 16
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nRet := ascan( aHex, { |x| upper( x[1] ) = upper( right( cHex, 1 ) ) } )
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nRes += aHex[nRet, 2]
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RETURN( nRes )
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/*-------------------------------------------------------------------------*/
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FUNCTION THTML
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STATIC oClass
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IF oClass == NIL
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oClass = TClass():New( "THTML" )
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oClass:AddData( "cTitle" ) // Page Title
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oClass:AddData( "cBody" ) // HTML Body Handler
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oClass:AddData( "cBGColor" ) // Background Color
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oClass:AddData( "cLinkColor" ) // Link Color
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oClass:AddData( "cvLinkColor" ) // Visited Link Color
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oClass:AddData( "cContent" ) // Page Content Handler
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oClass:AddData( "aCGIContents" )
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oClass:AddData( "aQueryFields" )
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oClass:AddMethod( "New", @New() ) // New Method
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oClass:AddMethod( "SetTitle", @SetTitle() ) // Set Page Title
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oClass:AddMethod( "AddHead", @AddHead() ) // Add <H1> Header
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oClass:AddMethod( "AddLink", @AddLink() ) // Add Hyperlink
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oClass:AddMethod( "AddPara", @AddPara() ) // Add Paragraph
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oClass:AddMethod( "SaveToFile", @SaveToFile() ) // Saves Content to File
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oClass:AddMethod( "ShowResult", @ShowResult() ) // Show Result - SEE Fcn
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oClass:AddMethod( "Generate", @Generate() ) // Generate HTML
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oClass:AddMethod( "ProcessCGI", @ProcessCGI() )
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oClass:AddMethod( "GetCGIParam", @GetCGIParam() )
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oClass:AddMethod( "QueryFields", @QueryFields() )
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oClass:Create()
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ENDIF
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RETURN( oClass:Instance() )
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STATIC FUNCTION New()
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LOCAL Self := QSelf()
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::cTitle := "Untitled"
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::cBGColor := "#FFFFFF"
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::cLinkColor := "#0000FF"
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::cvLinkColor := "#FF0000"
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::cContent := ""
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::cBody := ""
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::aCGIContents := {}
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::aQueryFields := {}
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RETURN( Self )
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STATIC FUNCTION SetTitle( cTitle )
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LOCAL Self := QSelf()
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::cTitle := cTitle
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RETURN( Self )
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STATIC FUNCTION AddLink( cLinkTo, cLinkName )
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LOCAL Self := QSelf()
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::cBody := ::cBody + ;
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"<A HREF='" + cLinkTo + "'>" + cLinkName + "</A>"
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RETURN( Self )
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STATIC FUNCTION AddHead( cDescr )
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LOCAL Self := QSelf()
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// Why this doesn't work?
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// ::cBody += ...
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// ???
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::cBody := ::cBody + ;
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"<H1>" + cDescr + "</H1>"
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RETURN( NIL )
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STATIC FUNCTION AddPara( cPara, cAlign )
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LOCAL Self := QSelf()
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::cBody := ::cBody + ;
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"<P ALIGN='" + cAlign + "'>" + NewLine + ;
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cPara + NewLine + ;
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"</P>"
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RETURN( Self )
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STATIC FUNCTION Generate()
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LOCAL Self := QSelf()
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::cContent := ;
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"<HTML><HEAD>" + NewLine + ;
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"<TITLE>" + ::cTitle + "</TITLE>" + NewLine + ;
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"<BODY link='" + ::cLinkColor + "' " + ;
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"vlink='" + ::cvLinkColor + "'>" + + NewLine + ;
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::cBody + NewLine + ;
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"</BODY></HTML>"
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RETURN( Self )
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STATIC FUNCTION ShowResult()
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LOCAL Self := QSelf()
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qqOut( ;
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"HTTP/1.0 200 OK" + NewLine + ;
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"CONTENT-TYPE: TEXT/HTML" + NewLine + NewLine + ;
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::cContent )
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RETURN( Self )
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STATIC FUNCTION SaveToFile( cFile )
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LOCAL Self := QSelf()
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LOCAL hFile := fCreate( cFile )
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fWrite( hFile, ::cContent )
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fClose( hFile )
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RETURN( Self )
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STATIC FUNCTION ProcessCGI()
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LOCAL Self := QSelf()
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LOCAL cQuery := ""
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LOCAL cBuff := ""
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LOCAL nBuff := 0
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LOCAL i
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IF empty( ::aCGIContents )
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::aCGIContents := { ;
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GetEnv( "SERVER_SOFTWARE" ), ;
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GetEnv( "SERVER_NAME" ), ;
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GetEnv( "GATEWAY_INTERFACE" ), ;
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GetEnv( "SERVER_PROTOCOL" ), ;
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GetEnv( "SERVER_PORT" ), ;
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GetEnv( "REQUEST_METHOD" ), ;
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GetEnv( "HTTP_ACCEPT" ), ;
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GetEnv( "HTTP_USER_AGENT" ), ;
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GetEnv( "HTTP_REFERER" ), ;
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GetEnv( "PATH_INFO" ), ;
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GetEnv( "PATH_TRANSLATED" ), ;
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GetEnv( "SCRIPT_NAME" ), ;
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GetEnv( "QUERY_STRING" ), ;
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GetEnv( "REMOTE_HOST" ), ;
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GetEnv( "REMOTE_ADDR" ), ;
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GetEnv( "REMOTE_USER" ), ;
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GetEnv( "AUTH_TYPE" ), ;
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GetEnv( "CONTENT_TYPE" ), ;
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GetEnv( "CONTENT_LENGTH" ), ;
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GetEnv( "ANNOTATION_SERVER" ) ;
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}
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cQuery := ::GetCGIParam( CGI_QUERY_STRING )
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IF !empty( cQuery )
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::aQueryFields := {}
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FOR i := 1 TO len( cQuery ) + 1
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IF i > len( cQuery ) .OR. substr( cQuery, i, 1 ) == "&"
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aadd( ::aQueryFields, ;
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{ substr( cBuff, 1, at( "=", cBuff ) - 1 ), ;
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strtran( substr( cBuff, at( "=", cBuff ) + 1, ;
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len( cBuff ) - at( "=", cBuff ) + 1 ), "+", " " ) } )
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cBuff := ""
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ELSE
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IF substr( cQuery, i, 1 ) = "%"
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cBuff += chr( Hex2Dec( substr( cQuery, i + 1, 2 ) ) )
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nBuff := 3
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ENDIF
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IF nBuff = 0
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cBuff += substr( cQuery, i, 1 )
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ELSE
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nBuff--
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ENDIF
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ENDIF
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NEXT
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ENDIF
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ENDIF
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RETURN( Self )
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STATIC FUNCTION GetCGIParam( nParam )
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LOCAL Self := QSelf()
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::ProcessCGI()
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IF nParam > 20 .OR. nParam < 1
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outerr( "Invalid CGI parameter" )
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RETURN( NIL )
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ENDIF
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RETURN( ::aCGIContents[nParam] )
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STATIC FUNCTION QueryFields( cQueryName )
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LOCAL Self := QSelf()
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LOCAL cRet := ""
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LOCAL nRet
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::ProcessCGI()
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nRet := aScan( ::aQueryFields, ;
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{ |x| upper( x[1] ) = upper( cQueryName ) } )
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IF nRet > 0
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cRet := ::aQueryFields[nRet, 2]
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ENDIF
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RETURN( cRet )
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