481 lines
13 KiB
C
481 lines
13 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* The Console API
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*
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* Copyright 1999 Antonio Linares <alinares@fivetech.com>
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* www - http://www.harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version, with one exception:
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*
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* The exception is that if you link the Harbour Runtime Library (HRL)
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* and/or the Harbour Virtual Machine (HVM) with other files to produce
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* an executable, this does not by itself cause the resulting executable
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* to be covered by the GNU General Public License. Your use of that
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* executable is in no way restricted on account of linking the HRL
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* and/or HVM code into it.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
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* their web site at http://www.gnu.org/).
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*
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*/
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/*
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* The following parts are Copyright of the individual authors.
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* www - http://www.harbour-project.org
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*
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* Copyright 1999 David G. Holm <dholm@jsd-llc.com>
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* hb_altout(), hb_devout(), DEVOUT(), hb_devpos(),
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* DEVPOS(), hb_dispout(), __EJECT(),
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* hb_out(), hb_outerr(), OUTERR(),
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* hb_outstd(), OUTSTD(), PCOL(), PROW(),
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* SETPRC(), and hb_consoleInitialize()
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*
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* Copyright 1999 Victor Szakats <info@szelvesz.hu>
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* hb_consoleGetNewLine()
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* DISPOUTAT()
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*
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* See doc/license.txt for licensing terms.
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*
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*/
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#include "hbapi.h"
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#include "hbapiitm.h"
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#include "hbapifs.h"
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#include "hbapigt.h"
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#include "hbset.h"
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#if defined(__GNUC__) && ! defined(__MINGW32__)
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#include <unistd.h>
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#endif
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#if !defined(OS_UNIX_COMPATIBLE)
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#include <io.h>
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#endif
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/* length of buffer for CR/LF characters */
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#if defined(OS_UNIX_COMPATIBLE)
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#define CRLF_BUFFER_LEN 2
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#else
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#define CRLF_BUFFER_LEN 3
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#endif
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static BOOL s_bInit = FALSE;
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static USHORT s_uiPRow;
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static USHORT s_uiPCol;
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static char s_szCrLf[ CRLF_BUFFER_LEN ];
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static int s_iFilenoStdin;
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static int s_iFilenoStdout;
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static int s_iFilenoStderr;
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void hb_consoleInitialize( void )
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{
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int iStderr;
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HB_TRACE(HB_TR_DEBUG, ("hb_consoleInitialize()"));
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#if defined(OS_UNIX_COMPATIBLE)
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s_szCrLf[ 0 ] = HB_CHAR_LF;
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s_szCrLf[ 1 ] = '\0';
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#else
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s_szCrLf[ 0 ] = HB_CHAR_CR;
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s_szCrLf[ 1 ] = HB_CHAR_LF;
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s_szCrLf[ 2 ] = '\0';
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#endif
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s_uiPRow = s_uiPCol = 0;
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/* Some compilers open stdout and stderr in text mode, but
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Harbour needs them to be open in binary mode. */
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s_iFilenoStdin = fileno( stdin );
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s_iFilenoStdout = fileno( stdout );
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hb_fsSetDevMode( s_iFilenoStdout, FD_BINARY );
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iStderr = hb_cmdargNum( "STDERR" ); /* Undocumented CA-Clipper switch //STDERR:x */
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if( iStderr < 0 ) /* //STDERR not used or invalid */
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s_iFilenoStderr = fileno( stderr );
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else if( iStderr == 0 ) /* //STDERR with no parameter or 0 */
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s_iFilenoStderr = s_iFilenoStdout;
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else /* //STDERR:x */
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s_iFilenoStderr = iStderr;
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hb_fsSetDevMode( s_iFilenoStderr, FD_BINARY );
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s_bInit = TRUE;
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hb_mouseInit();
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hb_gtInit( s_iFilenoStdin, s_iFilenoStdout, s_iFilenoStderr );
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}
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void hb_consoleRelease( void )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_consoleRelease()"));
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hb_fsSetDevMode( s_iFilenoStdout, FD_TEXT );
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hb_fsSetDevMode( s_iFilenoStderr, FD_TEXT );
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/* The is done by the OS from now on */
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s_szCrLf[ 0 ] = HB_CHAR_LF;
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s_szCrLf[ 1 ] = '\0';
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hb_gtExit();
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s_bInit = FALSE;
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}
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char * hb_consoleGetNewLine( void )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_consoleGetNewLine()"));
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return s_szCrLf;
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}
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HB_FUNC( HB_OSNEWLINE )
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{
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hb_retc( s_szCrLf );
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}
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typedef void hb_out_func_typedef( char *, ULONG );
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/* Format items for output, then call specified output function */
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static void hb_out( USHORT uiParam, hb_out_func_typedef * hb_out_func )
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{
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ULONG ulLen;
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BOOL bFreeReq;
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PHB_ITEM pItem;
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char * pString;
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HB_TRACE(HB_TR_DEBUG, ("hb_out(%hu, %p)", uiParam, hb_out_func));
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pItem = hb_param( uiParam, IT_ANY );
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pString = hb_itemString( pItem, &ulLen, &bFreeReq );
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hb_out_func( pString, ulLen );
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if( bFreeReq )
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hb_xfree( pString );
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}
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/* Output an item to STDOUT */
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void hb_outstd( char * pStr, ULONG ulLen )
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{
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USHORT user_ferror;
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HB_TRACE(HB_TR_DEBUG, ("hb_outstd(%s, %lu)", pStr, ulLen));
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if( ulLen == 0 )
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ulLen = strlen( pStr );
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if( s_bInit )
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hb_gtPreExt();
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user_ferror = hb_fsError(); /* Save current user file error code */
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hb_fsWriteLarge( s_iFilenoStdout, ( BYTE * ) pStr, ulLen );
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hb_fsSetError( user_ferror ); /* Restore last user file error code */
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if( s_bInit )
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{
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hb_gtAdjustPos( s_iFilenoStdout, pStr, ulLen );
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hb_gtPostExt();
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}
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}
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/* Output an item to STDERR */
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void hb_outerr( char * pStr, ULONG ulLen )
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{
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USHORT user_ferror;
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HB_TRACE(HB_TR_DEBUG, ("hb_outerr(%s, %lu)", pStr, ulLen));
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if( ulLen == 0 )
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ulLen = strlen( pStr );
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if( s_bInit )
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hb_gtPreExt();
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user_ferror = hb_fsError(); /* Save current user file error code */
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hb_fsWriteLarge( s_iFilenoStderr, ( BYTE * ) pStr, ulLen );
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hb_fsSetError( user_ferror ); /* Restore last user file error code */
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if( s_bInit )
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{
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hb_gtAdjustPos( s_iFilenoStderr, pStr, ulLen );
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hb_gtPostExt();
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}
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}
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/* Output an item to the screen and/or printer and/or alternate */
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static void hb_altout( char * pStr, ULONG ulLen )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_altout(%s, %lu)", pStr, ulLen));
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if( hb_set.HB_SET_CONSOLE )
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hb_gtWriteCon( ( BYTE * ) pStr, ulLen );
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if( hb_set.HB_SET_ALTERNATE && hb_set.hb_set_althan != FS_ERROR )
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{
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/* Print to alternate file if SET ALTERNATE ON and valid alternate file */
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USHORT user_ferror = hb_fsError(); /* Save current user file error code */
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hb_fsWriteLarge( hb_set.hb_set_althan, ( BYTE * ) pStr, ulLen );
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hb_fsSetError( user_ferror ); /* Restore last user file error code */
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}
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if( hb_set.hb_set_extrahan != FS_ERROR )
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{
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/* Print to extra file if valid alternate file */
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USHORT user_ferror = hb_fsError(); /* Save current user file error code */
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hb_fsWriteLarge( hb_set.hb_set_extrahan, ( BYTE * ) pStr, ulLen );
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hb_fsSetError( user_ferror ); /* Restore last user file error code */
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}
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if( hb_set.HB_SET_PRINTER && hb_set.hb_set_printhan != FS_ERROR )
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{
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/* Print to printer if SET PRINTER ON and valid printer file */
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USHORT user_ferror = hb_fsError(); /* Save current user file error code */
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hb_fsWriteLarge( hb_set.hb_set_printhan, ( BYTE * ) pStr, ulLen );
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hb_fsSetError( user_ferror ); /* Restore last user file error code */
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s_uiPCol += ( USHORT ) ulLen;
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}
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}
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/* Output an item to the screen and/or printer */
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static void hb_devout( char * pStr, ULONG ulLen )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_devout(%s, %lu)", pStr, ulLen));
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if( hb_set.hb_set_printhan != FS_ERROR && hb_stricmp( hb_set.HB_SET_DEVICE, "PRINTER" ) == 0 )
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{
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/* Display to printer if SET DEVICE TO PRINTER and valid printer file */
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USHORT user_ferror = hb_fsError(); /* Save current user file error code */
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hb_fsWriteLarge( hb_set.hb_set_printhan, ( BYTE * ) pStr, ulLen );
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hb_fsSetError( user_ferror ); /* Restore last user file error code */
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s_uiPCol += ( USHORT ) ulLen;
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}
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else
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{
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/* Otherwise, display to console */
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hb_gtWrite( ( BYTE * ) pStr, ulLen );
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}
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}
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/* Output an item to the screen */
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static void hb_dispout( char * pStr, ULONG ulLen )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_dispout(%s, %lu)", pStr, ulLen));
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hb_gtWrite( ( BYTE * ) pStr, ulLen );
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}
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void hb_devpos( SHORT row, SHORT col )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_devpos(%hd, %hd)", row, col));
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/* Position printer if SET DEVICE TO PRINTER and valid printer file
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otherwise position console */
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if( hb_set.hb_set_printhan != FS_ERROR && hb_stricmp( hb_set.HB_SET_DEVICE, "PRINTER" ) == 0 )
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{
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USHORT uiCount, uiProw = ( USHORT ) row, uiPcol = ( USHORT ) col;
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USHORT user_ferror = hb_fsError(); /* Save current user file error code */
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if( uiProw < s_uiPRow )
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{
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hb_fsWrite( hb_set.hb_set_printhan, ( BYTE * ) "\x0C\x0D", 2 );
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s_uiPRow = s_uiPCol = 0;
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}
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for( uiCount = s_uiPRow; uiCount < uiProw; uiCount++ )
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hb_fsWrite( hb_set.hb_set_printhan, ( BYTE * ) s_szCrLf, CRLF_BUFFER_LEN-1 );
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if( uiProw > s_uiPRow ) s_uiPCol = 0;
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uiPcol += hb_set.HB_SET_MARGIN;
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for( uiCount = s_uiPCol; uiCount < uiPcol; uiCount++ )
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hb_fsWrite( hb_set.hb_set_printhan, ( BYTE * ) " ", 1 );
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s_uiPRow = uiProw;
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s_uiPCol = uiPcol;
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hb_fsSetError( user_ferror ); /* Restore last user file error code */
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}
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else
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hb_gtSetPos( row, col );
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}
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/* NOTE: This should be placed after the hb_devpos() definition. */
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HB_FUNC( DEVPOS ) /* Sets the screen and/or printer position */
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{
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if( ISNUM( 1 ) && ISNUM( 2 ) )
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hb_devpos( hb_parni( 1 ), hb_parni( 2 ) );
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}
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HB_FUNC( OUTSTD ) /* writes a list of values to the standard output device */
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{
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USHORT uiPCount = hb_pcount();
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USHORT uiParam;
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for( uiParam = 1; uiParam <= uiPCount; uiParam++ )
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{
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hb_out( uiParam, hb_outstd );
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if( uiParam < uiPCount )
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hb_outstd( " ", 1 );
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}
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}
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HB_FUNC( OUTERR ) /* writes a list of values to the standard error device */
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{
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USHORT uiPCount = hb_pcount();
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USHORT uiParam;
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for( uiParam = 1; uiParam <= uiPCount; uiParam++ )
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{
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hb_out( uiParam, hb_outerr );
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if( uiParam < uiPCount )
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hb_outerr( " ", 1 );
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}
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}
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HB_FUNC( QQOUT ) /* writes a list of values to the current device (screen or printer) and is affected by SET ALTERNATE */
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{
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USHORT uiPCount = hb_pcount();
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USHORT uiParam;
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for( uiParam = 1; uiParam <= uiPCount; uiParam++ )
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{
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hb_out( uiParam, hb_altout );
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if( uiParam < uiPCount )
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hb_altout( " ", 1 );
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}
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}
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HB_FUNC( QOUT )
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{
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hb_altout( s_szCrLf, CRLF_BUFFER_LEN - 1 );
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if( hb_set.HB_SET_PRINTER && hb_set.hb_set_printhan != FS_ERROR )
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{
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USHORT user_ferror = hb_fsError(); /* Save current user file error code */
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USHORT uiCount;
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s_uiPRow++;
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uiCount = s_uiPCol = hb_set.HB_SET_MARGIN;
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while( uiCount-- > 0 )
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hb_fsWrite( hb_set.hb_set_printhan, ( BYTE * ) " ", 1 );
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hb_fsSetError( user_ferror ); /* Restore last user file error code */
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}
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HB_FUNCNAME( QQOUT )();
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}
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HB_FUNC( DEVOUT ) /* writes a single value to the current device (screen or printer), but is not affected by SET ALTERNATE */
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{
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if( hb_pcount() >= 1 )
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{
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if( ISCHAR( 2 ) )
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{
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char szOldColor[ CLR_STRLEN ];
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hb_gtGetColorStr( szOldColor );
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hb_gtSetColorStr( hb_parc( 2 ) );
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hb_out( 1, hb_devout );
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hb_gtSetColorStr( szOldColor );
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}
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else
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hb_out( 1, hb_devout );
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}
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}
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/* TOFIX: CA-Cl*pper will print an eject even if SET DEVICE=SCREEN */
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HB_FUNC( __EJECT ) /* Ejects the current page from the printer */
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{
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if( hb_stricmp( hb_set.HB_SET_DEVICE, "PRINTER" ) == 0 && hb_set.hb_set_printhan != FS_ERROR )
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{
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USHORT user_ferror = hb_fsError(); /* Save current user file error code */
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hb_fsWrite( hb_set.hb_set_printhan, ( BYTE * ) "\x0C\x0D", 2 );
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hb_fsSetError( user_ferror ); /* Restore last user file error code */
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}
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s_uiPRow = s_uiPCol = 0;
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}
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HB_FUNC( PROW ) /* Returns the current printer row position */
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{
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hb_retni( s_uiPRow );
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}
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HB_FUNC( PCOL ) /* Returns the current printer row position */
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{
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hb_retni( s_uiPCol );
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}
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HB_FUNC( SETPRC ) /* Sets the current printer row and column positions */
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{
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if( ISNUM( 1 ) && ISNUM( 2 ) )
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{
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s_uiPRow = ( USHORT ) hb_parni( 1 );
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s_uiPCol = ( USHORT ) hb_parni( 2 );
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}
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}
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HB_FUNC( DISPOUT ) /* writes a single value to the screen, but is not affected by SET ALTERNATE */
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{
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if( hb_pcount() >= 1 )
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{
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if( ISCHAR( 2 ) )
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{
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char szOldColor[ CLR_STRLEN ];
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hb_gtGetColorStr( szOldColor );
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hb_gtSetColorStr( hb_parc( 2 ) );
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hb_out( 1, hb_dispout );
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hb_gtSetColorStr( szOldColor );
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}
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else
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hb_out( 1, hb_dispout );
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}
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}
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/* Undocumented Clipper function */
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HB_FUNC( DISPOUTAT ) /* writes a single value to the screen at speficic position, but is not affected by SET ALTERNATE */
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{
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if( hb_pcount() >= 3 )
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{
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/* NOTE: Clipper does no checks here. [vszakats] */
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hb_gtSetPos( hb_parni( 1 ), hb_parni( 2 ) );
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if( ISCHAR( 4 ) )
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{
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char szOldColor[ CLR_STRLEN ];
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hb_gtGetColorStr( szOldColor );
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hb_gtSetColorStr( hb_parc( 4 ) );
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hb_out( 3, hb_dispout );
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hb_gtSetColorStr( szOldColor );
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}
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else
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hb_out( 3, hb_dispout );
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}
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}
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