189 lines
5.6 KiB
Plaintext
189 lines
5.6 KiB
Plaintext
/*
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*
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* HScript.PRG
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* HarbourScript translator
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*
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* 1999/06/13 First implementation.
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*
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**/
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#include "CGI.ch"
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#define IF_BUFFER 65535
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#define NewLine chr(13)+chr(10)
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FUNCTION Main( cScript )
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LOCAL aHRSHandle := {} // Handle for script lines
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LOCAL aResult := {} // Handle for transl'd lines
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LOCAL cLocation := {} // Location of scripts
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LOCAL cHarbourDir := GetEnv( "HARBOUR_DIR" ) // Harbour.exe dir with '\'
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LOCAL cHost := strtran( alltrim( ; // Random (not et al)
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str( seconds() ) ), '.' ) // file name
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LOCAL cScriptName, cFile, cRes, cLine
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LOCAL hFile, nStartPos, nPos, i, lScriptFlag
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WHILE .t.
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IF empty( GetEnv( "SERVER_NAME" ) )
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cScriptName := cScript
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cLocation := GetEnv( "PATH_TRANSLATED" ) + ;
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strtran( GetEnv( "SCRIPT_NAME" ), "/", "\" )
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cLocation := substr( cLocation, 1, rat( "\", cLocation ) )
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cHarbourDir := cLocation
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ELSE
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cScriptName := GetEnv( "QUERY_STRING" )
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IF at( "=", cScriptName ) != 0
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cScriptName := ParseString( cScriptName, "=", 2 )
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ENDIF
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ENDIF
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IF empty( cScriptName )
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IF !empty( GetEnv( "SERVER_NAME" ) )
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qqOut( "content-type: text/html" )
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qOut( "" )
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qOut( "<HTML><BODY><H1>Server Error</H1><P>" )
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qOut( "Must specify scriptname using hscript.exe?script=<scriptname>" )
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qOut( "</BODY></HTML>" )
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ELSE
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qOut( "Please give .hs name" )
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ENDIF
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EXIT
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ENDIF
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// Script not found
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IF !file( cScriptName )
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IF !empty( GetEnv( "SERVER_NAME" ) )
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qqOut( "CONTENT-TYPE: text/html" )
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ENDIF
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qOut( "<H1>Server Error</H1><P>Script not found: " + cScriptName )
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EXIT
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ENDIF
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// Reads all lines from script -> aHRBHandle
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hFile := fOpen( cScriptName, 0 )
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cFile := space( IF_BUFFER )
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cRes := ""
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DO WHILE (nPos := fRead( hFile, @cFile, IF_BUFFER )) > 0
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cFile := left( cFile, nPos )
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cRes += cFile
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cFile := space( IF_BUFFER )
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ENDDO
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fClose( cFile )
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// "Break" infile into lines
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nStartPos := 1
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FOR i := 1 TO len( cRes )
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IF substr( cRes, i, 1 ) == chr(13)
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IF i = (nStartPos + 1)
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aAdd( aHRSHandle, "" )
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ELSE
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aAdd( aHRSHandle, strtran( ;
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substr( cRes, nStartPos, i - nStartPos ), chr(10), "" ) )
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ENDIF
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nStartPos := i + 1
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ENDIF
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NEXT
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// Translate script to pure HTML
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/* TODO: Add support for lines like "<% something" and "something %>" */
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nStartPos := 1
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lScriptFlag := .f.
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FOR i := 1 TO len( aHRSHandle )
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cLine := aHRSHandle[i]
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IF !lScriptFlag
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nPos := at( "<%", cLine ) // Are we in script?
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IF nPos == 0 // No, use qout to
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aadd( aResult, "qOut( '" + cLine + "' )" ) // write HTML code
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ELSE // Yes.
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IF at( "%>", cLine ) != 0 // Is it inline?
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// Yes, translate only HTML to qOut <hmtl>
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aadd( aResult, "qOut( '" + ;
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substr( cLine, 1, nPos-1 ) + ;
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"' ) " + NewLine + ;
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substr( cLine, nPos + 2, ;
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at( "%>", cLine ) - ;
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(nPos + 2) ) + ;
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NewLine + "qOut( '" + ;
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substr( cLine, at( "%>", cLine ) + ;
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2 ) + "' )" )
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ELSE // No.
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lScriptFlag := .t. // Change the flag
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aadd( aResult, "" ) // Add blank line
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ENDIF
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ENDIF
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ELSE
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IF at( "%>", cLine ) == 0 // Is this line EOS? - End of Script<g>
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aadd( aResult, cLine ) // No, add
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ELSE // Yes,
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lScriptFlag := .f. // Change the flag
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aadd( aResult, "" ) // Add blank line
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ENDIF
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ENDIF
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NEXT
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// Creates the temporary PRG
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cFile := cLocation + cHost + ".prg" // Output file name
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hFile := fCreate( cFile )
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FOR i := 1 TO len( aResult )
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fWrite( hFile, aResult[i] + chr(13)+chr(10) )
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NEXT
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fClose( hFile )
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// Creates the temporary HRB, erases the PRG
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__Run( cHarbourDir + "harbour.exe " + cFile + " /q /n /gHRB" )
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fErase( cFile )
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// Runs using Tugboat
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cFile := strtran( upper( cFile ), ".PRG", ".HRB" )
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HB_Run( cFile )
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// Erases the HRB
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fErase( cFile )
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// That's all, folks!
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EXIT
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ENDDO
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RETURN( NIL )
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FUNCTION ParseString( cString, cDelim, nRet )
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LOCAL cBuf, aElem, nPosFim, nSize, i
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nSize := len( cString ) - len( StrTran( cString, cDelim, '' ) ) + 1
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aElem := array( nSize )
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cBuf := cString
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i := 1
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FOR i := 1 TO nSize
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nPosFim := at( cDelim, cBuf )
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IF nPosFim > 0
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aElem[i] := substr( cBuf, 1, nPosFim - 1 )
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ELSE
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aElem[i] := cBuf
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ENDIF
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cBuf := substr( cBuf, nPosFim + 1, len( cBuf ) )
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NEXT i
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RETURN( aElem[ nRet ] )
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