942 lines
45 KiB
C
942 lines
45 KiB
C
/* $Id$
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Harbour Project source code
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This module contains the Harbour functions for SET management.
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Copyright 1999 David G. Holm <dholm@jsd-llc.com>
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www - http://www.harbour-project.org
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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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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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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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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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V 1.64 Victor Szel Converted to use the FS API.
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hb_err*() handles E_BREAK.
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extrahan closing mode on exit fixed.
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V 1.62 Paul Tucker Converted HB_SET_DEBUG back to Logical.
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Clipper 5.3 docs are incorrect on this.
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V 1.51 Victor Szel #include <x> changed to #include "x".
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V 1.49 Paul Tucker Changed parameter passing checks
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in call to hb_setColor() to account
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for no or NIL parameters.
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V 1.48 David G. Holm Simplified SET_COLOR handling.
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Made changes to deal with the
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hb_set.HB_SET_COLOR string having
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a fixed 64 byte size.
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V 1.46 Paul Tucker Modifed SetColor handling.
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V 1.43 David G. Holm Removed the obsolete hb_set_fixed,
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which I should have done when I took
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HB_SETFIXED() out in V 1.27.
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V 1.42 Ryszard Glab Added guard around #pragma startup.
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V 1.41 David G. Holm Added my email address.
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V 1.40 David G. Holm Added header template and filled in
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complete version history by cross-
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referencing ChangeLog and the output
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from "cvs log source/rtl/set.c".
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V 1.39 David G. Holm Made various changes after running
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through Gimpel Lint.
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Added call hb_errRT_TERM()
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wrapper function upon failure to
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create an alternate file and/or a
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printer file (and/or an extra file,
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even though I still don't know what
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it is used for).
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Added support for HB_SET_EXTRAFILE.
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Added support for strings > 64 KB.
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V 1.38 Ryszard Glab Changed to use the new definition of
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HB_INIT_SYMBOLS_* and
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HB_CALL_ON_STARTUP_* macros.
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V 1.37 David G. Holm Added #pragma startup.
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V 1.36 Ryszard Glab Changed code that registers local
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symbol table (it uses HB_INIT_SYMBOLS_*
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macros now).
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V 1.35 Ryszard Glab Changed to use the new HB_ITEM.
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Changed to automatically register
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symbol table.
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V 1.34 Victor Szel Added four Clipper-compatible error
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reports.
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V 1.33 Victor Szel InitializeSets() changed to
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hb_setInitialize() and ReleaseSets()
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changed to hb_setRelease().
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V 1.32 David G. Holm Minor change in last if block in
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HB___SETCENTURY() to avoid a
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signed/unsigned comparison complaint
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by some compilers.
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V 1.31 Ryszard Glab Files created by SET PRINTER TO or SET
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ALTERNATE TO now have permissions set
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to write/read by user on UNIX like OS.
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V 1.30 Ryszard Glab Changes for Watcom C/C++ and for GCC on
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Linux. Removed PATH_SEPARATOR and
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replaced it with OS_PATH_DELIMITER
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defined in hbsetup.h.
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V 1.29 David G. Holm Added documentation. Converted
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HB_SET_DEBUG to numeric. Added limits
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of 16 and 4096 to HB_SET_TYPEAHEAD.
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V 1.28 Eddie Runia Changed SETCENTURY in Symbol table to
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__SETCENTURY.
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V 1.27 David G. Holm Renamed HB_SETCENTURY to
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HB___SETCENTURY and eliminated
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HB_SETFIXED following integration of
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Harbour preprocessor.
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V 1.26 David G. Holm All Extend API functions converted from
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_name() to hb_name().
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V 1.25 David G. Holm Convert all _errFunctions to
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hb_errFunctions.
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V 1.24 David G. Holm Logical SET values can now use "ON"
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for .T. and "OFF" for .F.
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V 1.23 David G. Holm Now uses hb_stricmp() instead of
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stricmp(). Added default #define for
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O_BINARY.
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V 1.22 Eddie Runia Added InitSymbols().
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V 1.21 Gonzalo A. Diethelm Changed all HARBOUR NAME( void ) to
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HARBOUR HB_NAME( void ).
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V 1.20 David G. Holm Removed "+ 1" in setting y_stop to
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default stop point, because it caused
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_xgrab to allocate 1 byte too few when
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year was at end.
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V 1.19 David G. Holm Moved "#include <sys/stat.h>" outside
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"#if defined(__GCC__) ||
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defined(__DJGPP__)" block, so that it
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is included for all compilers.
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V 1.18 Gonzalo A. Diethelm In open_handle(), a misplaced
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parenthesis when calling open() caused
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S_IWRITE to never be seen by open().
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V 1.17 Eddie Runia temporary patches with regard to
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sys/stat.h removed.
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V 1.16 Gonzalo A. Diethelm Solved portability problems under gcc.
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Got rid of a few warnings and unused
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variables.
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V 1.15 Patrick Mast Removed #include <sys\stat.h>
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V 1.14 David G. Holm Added #include <unistd.h> for DJGPP.
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V 1.13 David G. Holm Changed PITEM to PHB_ITEM.
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V 1.12 Les. Griffith Added #include <errno.h> for DJGPP.
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V 1.11 Eddie Runia Small correction in ReleaseSets().
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V 1.10 David G. Holm Added default of "PRN" for
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HB_SET_PRINTFILE. If SET (_SET_DEVICE,
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"PRINTER") called and printer file not
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open, then open it.
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V 1.9 David G. Holm Added file open/close support to
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HB_SET_ALTFILE and HB_SET_PRINTFILE.
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V 1.8 David G. Holm Added hb_set_fixed and HB_SETFIXED().
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V 1.7 David G. Holm Fixed memory leak in HB_SETCENTURY.
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V 1.6 Eddie Runia Calling IS_STRING and IS_LOGICAL
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without checking for empty pItem fixed.
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V 1.5 Ryszard Glab Added (char *) type casts for Watcom C.
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V 1.4 Gonzalo A. Diethelm Cleaned up a few warnings.
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V 1.3 David G. Holm Changed __SETCENTURY to HB_SETCENTURY.
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Changed all _SET_name to HB_SET_name
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Changed HB_SETCENTURY to modify the
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HB_SET_DATEFORMAT. Changed the name of
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the set initialization function to
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InitializeSets().
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V 1.2 Gonzalo A. Diethelm Added comment with CVS Id keyword.
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V 1.1 Antonio Linares Committed to CVS.
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V 1.0 David G. Holm Initial version.
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*/
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#include <ctype.h>
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#include "extend.h"
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#include "errorapi.h"
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#include "filesys.h"
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#include "set.h"
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#include "inkey.h"
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HB_set_struct hb_set;
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BOOL hb_set_century;
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FHANDLE hb_set_althan;
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FHANDLE hb_set_extrahan;
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FHANDLE hb_set_printhan;
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static BOOL set_logical( PHB_ITEM pItem )
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{
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BOOL logical = FALSE;
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if( IS_LOGICAL( pItem ) )
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logical = pItem->item.asLogical.value;
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else if( IS_STRING( pItem ) )
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{
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if( pItem->item.asString.length >= 2
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&& toupper( pItem->item.asString.value[ 0 ] ) == 'O'
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&& toupper( pItem->item.asString.value[ 1 ] ) == 'N' )
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logical = TRUE;
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else if( pItem->item.asString.length >= 3
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&& toupper( pItem->item.asString.value[ 0 ] ) == 'O'
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&& toupper( pItem->item.asString.value[ 1 ] ) == 'F'
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&& toupper( pItem->item.asString.value[ 2 ] ) == 'F' )
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logical = FALSE;
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}
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return logical;
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}
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static int set_number( PHB_ITEM pItem, int old_value )
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{
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int number;
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if( IS_INTEGER( pItem ) ) number = pItem->item.asInteger.value;
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else if( IS_LONG( pItem ) ) number = ( int ) pItem->item.asLong.value;
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else if( IS_DOUBLE( pItem ) ) number = ( int ) pItem->item.asDouble.value;
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else number = old_value;
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return number;
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}
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static char * set_string( PHB_ITEM pItem, char * old_str )
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{
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char * string;
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if( IS_STRING( pItem ) )
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{
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/* Limit size of SET strings to 64K, truncating if source is longer */
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ULONG size = pItem->item.asString.length;
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if( size > USHRT_MAX ) size = USHRT_MAX;
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if( old_str ) string = ( char * ) hb_xrealloc( old_str, size + 1 );
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else string = ( char * ) hb_xgrab( size + 1 );
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memcpy( string, pItem->item.asString.value, size );
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string[ size ] = '\0';
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}
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else
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string = old_str;
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return string;
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}
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static void close_binary( FHANDLE handle )
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{
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if( handle != FS_ERROR )
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hb_fsClose( handle );
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}
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static void close_text( FHANDLE handle )
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{
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if( handle != FS_ERROR )
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{
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#if ! defined(OS_UNIX_COMPATIBLE)
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hb_fsWrite( handle, (BYTE *)"\x1A", 1 );
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#endif
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hb_fsClose( handle );
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}
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}
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static FHANDLE open_handle( char * file_name, BOOL bMode, char * def_ext, HB_set_enum set_specifier )
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{
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FHANDLE handle;
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PHB_FNAME pFilename;
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char path[ _POSIX_PATH_MAX + 1 ];
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/* Create full filename */
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pFilename = hb_fsFNameSplit( file_name );
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if( ! pFilename->szPath && hb_set.HB_SET_DEFAULT )
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pFilename->szPath = hb_set.HB_SET_DEFAULT;
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if( ! pFilename->szExtension && def_ext )
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pFilename->szExtension = def_ext;
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hb_fsFNameMerge( path, pFilename );
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hb_xfree( pFilename );
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/* Open the file either in append (bMode) or truncate mode (!bMode), but
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always use binary mode */
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/* QUESTION: What sharing mode does Clipper use ? [vszel] */
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while( ( handle = ( bMode ? hb_fsOpen( (BYTE *)path, FO_WRITE | FO_DENYWRITE ) :
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hb_fsCreate( (BYTE *)path, FC_NORMAL ) ) ) == FS_ERROR )
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{
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WORD wResult;
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/* NOTE: using switch() here will result in a compiler warning */
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if( set_specifier == HB_SET_ALTFILE )
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wResult = hb_errRT_TERM( EG_CREATE, 2013, NULL, path, hb_fsError(), EF_CANDEFAULT | EF_CANRETRY );
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else if( set_specifier == HB_SET_PRINTFILE )
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wResult = hb_errRT_TERM( EG_CREATE, 2014, NULL, path, hb_fsError(), EF_CANDEFAULT | EF_CANRETRY );
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else if( set_specifier == HB_SET_EXTRAFILE )
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wResult = hb_errRT_TERM( EG_CREATE, 2015, NULL, path, hb_fsError(), EF_CANDEFAULT | EF_CANRETRY );
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else
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wResult = E_DEFAULT;
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if( wResult == E_DEFAULT || wResult == E_BREAK )
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break;
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}
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/* If append mode, set the file pointer to EOF */
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if( handle != FS_ERROR )
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hb_fsSeek( handle, 0, FS_END );
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return handle;
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}
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HARBOUR HB_SETCANCEL( void )
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{
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hb_retl( hb_set.HB_SET_CANCEL );
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if( ISLOG( 1 ) )
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hb_set.HB_SET_CANCEL = hb_parl( 1 );
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}
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/* $DOC$
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* $FUNCNAME$ __SETCENTURY( [<lFlag> | <cOnOff> ] ) --> lPreviousValue
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* $ARGUMENTS$ optional <lFlag> or <cOnOff> (not case sensitive)
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* .T. or "ON" to enable the century setting (4-digit years)
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* .F. or "OFF" to disable the century setting (2-digit years)
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* $RETURNS$ Either the current or previous century setting as a logical value
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* $END$
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*/
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HARBOUR HB___SETCENTURY( void )
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{
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int old_century_setting = hb_set_century;
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/*
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* Change the setting if the parameter is a logical value, or is
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* either "ON" or "OFF" (regardless of case)
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*/
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if( ISLOG( 1 ) )
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hb_set_century = hb_parl( 1 );
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else if( ISCHAR( 1 ) )
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{
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char * szString = hb_parc( 1 );
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ULONG ulLen = hb_parclen( 1 );
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if( ulLen >= 2
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&& toupper( szString[ 0 ] ) == 'O'
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&& toupper( szString[ 1 ] ) == 'N' )
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hb_set_century = TRUE;
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else if( ulLen >= 3
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&& toupper( szString[ 0 ] ) == 'O'
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&& toupper( szString[ 1 ] ) == 'F'
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&& toupper( szString[ 2 ] ) == 'F' )
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hb_set_century = FALSE;
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}
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/*
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* Finally, if the setting changed, adjust the current date format to use
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* the correct number of year digits.
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*/
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if( old_century_setting != hb_set_century )
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{
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int count, digit, size, y_size, y_start, y_stop;
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char * szDateFormat, * szNewFormat;
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/* Convert to upper case and determine where year is */
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y_start = y_stop = -1;
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szDateFormat = hb_set.HB_SET_DATEFORMAT;
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size = strlen( szDateFormat );
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for( count = 0; count < size; count++ )
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{
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digit = toupper( szDateFormat[ count ] );
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if( digit == 'Y' )
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{
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if( y_start == -1 ) y_start = count;
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}
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else if( y_start > -1 && y_stop == -1 ) y_stop = count;
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szDateFormat[ count ] = digit;
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}
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/* Determine size of year in current format */
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if( y_start < 0 )
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{
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y_start = 0; /* There is no year in the current format */
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y_stop = 0;
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}
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else if( y_stop < 0 ) y_stop = size; /* All digits are year digits */
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y_size = y_stop - y_start;
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/* Calculate size of new format */
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size -= y_size;
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if( hb_set_century ) size += 4;
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else size += 2;
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/* Create the new date format */
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szNewFormat = ( char * ) hb_xgrab( size + 1 );
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if( szNewFormat )
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{
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int format_len;
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if( y_start > 0 ) memcpy( szNewFormat, szDateFormat, y_start );
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szNewFormat[ y_start ] = '\0';
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strcat( szNewFormat, "YY" );
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if( hb_set_century ) strcat( szNewFormat, "YY" );
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format_len = strlen( szDateFormat );
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if( y_stop < format_len ) strcat( szNewFormat, szDateFormat + y_stop );
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hb_xfree( szDateFormat );
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hb_set.HB_SET_DATEFORMAT = szNewFormat;
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}
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}
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/* Return the previous setting */
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hb_retl( old_century_setting );
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}
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/* $DOC$
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* $FUNCNAME$ SET( <nSet> [, <xNewSetting> [, <xOption> ] ] ) --> xPreviousSetting
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* $ARGUMENTS$ <nSet> <xNewSetting> <xOption>
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* _SET_ALTERNATE <lFlag> | <cOnOff>
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* If enabled, QOUT() and QQOUT() write to the screen and to
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* a file, provided that a file has been opened or created
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* with _SET_ALTFILE. If disabled, which is the default,
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* QOUT() and QQOUT() only write to the screen (and/or to
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* the PRINTFILE). Defaults to disabled.
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* _SET_ALTFILE <cFileName> <lAdditive>
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* When set, creates or opens file to write QOUT() and
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* QQOUT() output to. If <lAdditive> is TRUE and the file
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* already exists, the file is opened and positioned at end
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* of file. Otherwise, the file is created. If a file is
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* already opened, it is closed before the new file is
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* opened or created (even if it is the same file). The
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* default file extension is ".txt". There is no default
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* file name. Call with an empty string to close the file.
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* _SET_BELL <lFlag> | <cOnOff>
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* When enabled, the bell sounds when the last position of
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* a GET is reached and/or when a GET validation fails.
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* Disabled by default.
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* _SET_CANCEL <lFlag> | <cOnOff>
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* When enabled, which is the default, pressing Alt+C or
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* Ctrl+Break terminates the program. When disabled, both
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* keystrokes can be read by INKEY(). Note: SET KEY has
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* precedence over SET CANCEL.
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* _SET_COLOR <cColorSet>
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* Sets the current color scheme, using color pairs in the
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* sequence "<standard>,<enhanced>,<border>,<background>,
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* <unselected>". Each color pair uses the format
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* "<foreground>/<background>". The color codes are space
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* or "N" for black, "B" for blue, "G" for green, "BG" for
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* Cyan, "R" for red, "RB" for magenta, "GR" for brown, "W"
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* for white, "N+" for gray, "B+" for bright blue, "G+" for
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* bright green, "BG+" for bright cyan, "R+" for bright red,
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* "RB+" for bright magenta, "GR+" for yellow, and "W+" for
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* bright white. Special codes are "I" for inverse video,
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* "U" for underline on a monochrome monitor (blue on a
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* color monitor), and "X" for blank. The default color is
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* "W/N,N/W,N,N,N/W".
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* _SET_CONFIRM <lFlag> | <cOnOff>
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* If enabled, an exit key must be pressed to leave a GET.
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* If disabled, which is the default, typing past the end
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* will leave a GET.
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* _SET_CONSOLE <lFlag> | <cOnOff>
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* If enabled, which is the default, all screen output goes
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* to the screen. When disabled, screen output is suppressed
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* (Note: This setting does not affect OUTSTD() or OUTERR()).
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* _SET_CURSOR <nCursorType>
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* If enabled, which is the default, the cursor is displayed
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* on screen. If disabled, the screen cursor is hidden.
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* _SET_DATEFORMAT <cDateFormat>
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* Sets the default date format for display, date input, and
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* date conversion. Defaults to American ("mm/dd/yy"). Other
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* formats include ANSI ("yy.mm.dd"), British ("dd/mm/yy"),
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* French ("dd/mm/yy"), German ("dd.mm.yy"), Italian
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|
* ("dd-mm-yy"), Japan ("yy/mm/dd"), and USA ("mm-dd-yy").
|
|
* SET CENTURY modifies the date format. SET CENTURY ON
|
|
* replaces the "y"s with "YYYY". SET CENTURY OFF replaces
|
|
* the "y"s with "YY".
|
|
* _SET_DEBUG <lStatus>
|
|
* When set to .t., pressing Alt+D activates the debugger.
|
|
* When set to .f., which is the default, Alt+D can be read
|
|
* by INKEY(). (Also affected by AltD(1) and AltD(0))
|
|
* _SET_DECIMALS <nNumberOfDecimals>
|
|
* Sets the number of decimal digits to use when displaying
|
|
* printing numeric values when SET FIXED is ON. Defaults to
|
|
* 2. If SET FIXED is OFF, then SET DECIMALS is only used to
|
|
* determine the number of decimal digits to use after using
|
|
* EXP(), LOG(), SQRT(), or division. Other math operations
|
|
* may adjust the number of decimal digits that the result
|
|
* will display. Note: This never affects the precision of
|
|
* a number. Only the display format is affected.
|
|
* _SET_DEFAULT <cDefaultDirectory>
|
|
* Sets the default directory in which to open, create and
|
|
* check for files. Defaults to the current directory.
|
|
* _SET_DELETED <lFlag> | <cOnOff>
|
|
* If enabled, deleted records will be processed. If
|
|
* disabled, which is the default, deleted records will
|
|
* be ignored.
|
|
* _SET_DELIMCHARS <cDelimiters>
|
|
* Sets the GET delimiter characters. Defaults to "::".
|
|
* _SET_DELIMITERS <lFlag> | <cOnOff>
|
|
* If enabled, GETs are delimited on screen. If disabled,
|
|
* which is the default, no GET delimiters are used.
|
|
* _SET_DEVICE <cDeviceName>
|
|
* Selects the output device for DEVOUT(). When set to
|
|
* "PRINTER", all output is sent to the printer device or
|
|
* file set by _SET_PRINTFILE. When set to anything else,
|
|
* all output is sent to the screen. Defaults to "SCREEN".
|
|
* _SET_EPOCH <nYear>
|
|
* Determines how to handle the conversion of 2-digit years
|
|
* to 4 digit years. When a 2-digit year is greater than or
|
|
* equal to the year part of the epoch, the century part of
|
|
* the epoch is added to the year. When a 2-digit year is
|
|
* less than the year part of the epoch, the century part
|
|
* of the epoch is incremented and added to the year. The
|
|
* default epoch is 1900, which converts all 2-digit years
|
|
* to 19xx. Example: If the epoch is set to 1950, 2-digit
|
|
* years in the range from 50 to 99 get converted to 19xx
|
|
* and 2-digit years in the range 00 to 49 get converted
|
|
* to 20xx.
|
|
* _SET_ESCAPE <lFlag> | <cOnOff>
|
|
* When enabled, which is the default, pressing Esc will
|
|
* exit a READ. When disabled, pressing Esc during a READ
|
|
* is ignored, unless the Esc key has been assigned to a
|
|
* function using SET KEY.
|
|
* _SET_EVENTMASK <nEventCodes>
|
|
* Determines which events INKEY() will respond to.
|
|
* INKEY_MOVE allows mouse movement events. INKEY_LDOWN
|
|
* allows the left mouse button down click. INKEY_LUP
|
|
* allows the left mouse button up click. INKEY_RDOWN
|
|
* allows the right mouse button down click. INKEY_RUP
|
|
* allows the right mouse button up clock. INKEY_KEYBOARD
|
|
* allows keyboard keystrokes. INKEY_ALL allows all of the
|
|
* preceding events. Events may be combined (e.g., using
|
|
* INKEY_LDOWN + INKEY_RUP will allow left mouse button
|
|
* down clicks and right mouse button up clicks). The
|
|
* default is INKEY_KEYBOARD.
|
|
* _SET_EXACT <lFlag> | <cOnOff>
|
|
* When enabled, all string comparisons other than "=="
|
|
* exclude trailing spaces when checking for equality.
|
|
* When disabled, which is the default, all string
|
|
* comparisons other than "==" treat two strings as
|
|
* equal if the right hand string is "" or if the right
|
|
* hand string is shorter than or the same length as the
|
|
* left hand string and all of the characters in the right
|
|
* hand string match the corresponding characters in the
|
|
* left hand string.
|
|
* _SET_EXCLUSIVE <lFlag> | <cOnOff>
|
|
* When enabled, which is the default, all database files
|
|
* are opened in exclusive mode. When disabled, all
|
|
* database files are opened in shared mode. Note: The
|
|
* EXCLUSIVE and SHARED clauses of the USE command can be
|
|
* used to override this setting.
|
|
* _SET_EXIT <lFlag> | <cOnOff>
|
|
* Toggles the use of Uparrow and Dnarrow as READ exit keys.
|
|
* Specifying true (.T.) enables them as exit keys, and
|
|
* false (.F.) disables them. Used internally by the
|
|
* ReadExit() function.
|
|
* _SET_EXTRA <lFlag> | <cOnOff>
|
|
* QUESTION: What is this for?
|
|
* It does not affect _SET_EXTRAFILE in Clipper!
|
|
* _SET_EXTRAFILE <cFileName> <lAdditive>
|
|
* When set, creates or opens file to write QOUT() and
|
|
* QQOUT() output to. If <lAdditive> is TRUE and the file
|
|
* already exists, the file is opened and positioned at end
|
|
* of file. Otherwise, the file is created. If a file is
|
|
* already opened, it is closed before the new file is
|
|
* opened or created (even if it is the same file). The
|
|
* default file extension is ".prn". There is no default
|
|
* file name. Call with an empty string to close the file.
|
|
* _SET_FIXED <lFlag> | <cOnOff>
|
|
* When enabled, all numeric values will be displayed
|
|
* and printed with the number of decimal digits set
|
|
* by SET DECIMALS, unless a PICTURE clause is used.
|
|
* When disabled, which is the default, the number
|
|
* of decimal digits that are displayed depends upon
|
|
* a variety of factors. See _SET_DECIMALS for more.
|
|
* _SET_INSERT <lFlag> | <cOnOff>
|
|
* When enabled, characters typed in a GET or MEMOEDIT
|
|
* are inserted. When disabled, which is the default,
|
|
* characters typed in a GET or MEMOEDIT overwrite.
|
|
* Note: This setting can also be toggled between on and
|
|
* off by pressing the Insert key during a GET or MEMOEDIT.
|
|
* _SET_INTENSITY <lFlag> | <cOnOff>
|
|
* When enabled, which is the default, GETs and PROMPTs
|
|
* are displayed using the enhanced color setting. When
|
|
* disabled, GETs and PROMPTs are displayed using the
|
|
* standard color setting.
|
|
* _SET_MARGIN <nColumns>
|
|
* Sets the left margin for all printed output. The default
|
|
* value is 0. Note: PCOL() reflects the printer's column
|
|
* position including the margin (e.g., SET MARGIN TO 5
|
|
* followed by DEVPOS(5, 10) makes PCOL() return 15).
|
|
* _SET_MCENTER <lFlag> | <cOnOff>
|
|
* If enabled, display PROMPTs centered on the MESSAGE row.
|
|
* If disabled, which is the default, display PROMPTS at
|
|
* column position 0 on the MESSAGE row.
|
|
* _SET_MESSAGE <nRow>
|
|
* If set to 0, which is the default, PROMPTs are always
|
|
* suppressed. Otherwise, PROMPTs are displayed on the
|
|
* set row. Note: It is not possible to display prompts
|
|
* on the top-most screen row, because row 0 is reserved
|
|
* for the SCOREBOARD, if enabled.
|
|
* _SET_PATH <cDirectories>
|
|
* Specifies a path of directories to search through to
|
|
* locate a file that can't be located in the DEFAULT
|
|
* directory. Defaults to no path (""). Directories must
|
|
* be separated by a semicolon (e.g., "C:\DATA;C:\MORE").
|
|
* _SET_PRINTER <lFlag> | <cOnOff>
|
|
* If enabled, QOUT() and QQOUT() write to the screen and to
|
|
* a file, provided that a file has been opened or created
|
|
* with _SET_ALTFILE. If disabled, which is the default,
|
|
* QOUT() and QQOUT() only write to the screen (and/or to
|
|
* the ALTFILE).
|
|
* _SET_PRINTFILE <cFileName> <lAdditive>
|
|
* When set, creates or opens file to write QOUT(), QQOUT()
|
|
* and DEVOUT() output to. If <lAdditive> is TRUE and the
|
|
* file already exists, the file is opened and positioned
|
|
* at end of file. Otherwise, the file is created. If a
|
|
* file is already opened, it is closed before the new file
|
|
* is opened or created (even if it is the same file). The
|
|
* default file extension is ".prn". The default file name
|
|
* is "PRN", which maps to the default printer device. Call
|
|
* with an empty string to close the file.
|
|
* _SET_SCOREBOARD <lFlag> | <cOnOff>
|
|
* When enabled, which is the default, READ and MEMOEDIT
|
|
* display status messages on screen row 0. When disabled,
|
|
* READ and MEMOEDIT status messages are suppressed.
|
|
* _SET_SCROLLBREAK <lFlag> | <cOnOff>
|
|
* QUESTION: What is this flag for?
|
|
* _SET_SOFTSEEK <lFlag> | <cOnOff>
|
|
* When enabled, a SEEK that fails will position the record
|
|
* pointer to the first key that is higher than the sought
|
|
* after key or to LASTREC() + 1 if there is no higher key.
|
|
* When disabled, which is the default, a SEEK that fails
|
|
* will position the record pointer to LASTREC()+1.
|
|
* _SET_TYPEAHEAD <nKeyStrokes>
|
|
* Sets the size of the keyboard typeahead buffer. Defaults
|
|
* to 50. The minimum is 16 and the maximum is 4096.
|
|
* _SET_UNIQUE <lFlag> | <cOnOff>
|
|
* When enabled, indexes are not allowed to have duplicate
|
|
* keys. When disabled, indexes are allowed duplicate keys.
|
|
* _SET_WRAP <lFlag> | <cOnOff>
|
|
* When enabled, lightbar menus can be navigated from the
|
|
* last position to the first and from the first position
|
|
* to the last. When disabled, which is the default, there
|
|
* is a hard stop at the first and last positions.
|
|
* $RETURNS$ The current or previous setting
|
|
* $END$
|
|
*/
|
|
HARBOUR HB_SET( void )
|
|
{
|
|
BOOL bFlag;
|
|
int args = hb_pcount();
|
|
PHB_ITEM pArg2, pArg3;
|
|
HB_set_enum set_specifier;
|
|
|
|
if( args > 0 ) set_specifier = ( HB_set_enum ) hb_parni( 1 );
|
|
else set_specifier = HB_SET_INVALID_;
|
|
if( args > 1 ) pArg2 = hb_param( 2, IT_ANY );
|
|
if( args > 2 ) pArg3 = hb_param( 3, IT_ANY );
|
|
|
|
switch ( set_specifier )
|
|
{
|
|
case HB_SET_ALTERNATE :
|
|
hb_retl( hb_set.HB_SET_ALTERNATE );
|
|
if( args > 1 ) hb_set.HB_SET_ALTERNATE = set_logical( pArg2 );
|
|
break;
|
|
case HB_SET_ALTFILE :
|
|
if( hb_set.HB_SET_ALTFILE ) hb_retc( hb_set.HB_SET_ALTFILE );
|
|
else hb_retc( "" );
|
|
if( args > 1 ) hb_set.HB_SET_ALTFILE = set_string( pArg2, hb_set.HB_SET_ALTFILE );
|
|
if( args > 2 ) bFlag = set_logical( pArg3 );
|
|
else bFlag = FALSE;
|
|
if( args > 1 )
|
|
{
|
|
close_text( hb_set_althan );
|
|
if( hb_set.HB_SET_ALTFILE && strlen( hb_set.HB_SET_ALTFILE ) > 0 )
|
|
hb_set_althan = open_handle( hb_set.HB_SET_ALTFILE, bFlag, ".txt", HB_SET_ALTFILE );
|
|
}
|
|
break;
|
|
case HB_SET_BELL :
|
|
hb_retl( hb_set.HB_SET_BELL );
|
|
if( args > 1 ) hb_set.HB_SET_BELL = set_logical( pArg2 );
|
|
break;
|
|
case HB_SET_CANCEL :
|
|
hb_retl( hb_set.HB_SET_CANCEL );
|
|
if( args > 1 ) hb_set.HB_SET_CANCEL = set_logical( pArg2 );
|
|
break;
|
|
case HB_SET_COLOR :
|
|
hb_retc( hb_setColor( args > 1 ? ( IS_NIL( pArg2 ) ? "" : pArg2->item.asString.value ) : ( char * ) NULL ) );
|
|
break;
|
|
case HB_SET_CONFIRM :
|
|
hb_retl( hb_set.HB_SET_CONFIRM );
|
|
if( args > 1 ) hb_set.HB_SET_CONFIRM = set_logical( pArg2 );
|
|
break;
|
|
case HB_SET_CONSOLE :
|
|
hb_retl( hb_set.HB_SET_CONSOLE );
|
|
if( args > 1 ) hb_set.HB_SET_CONSOLE = set_logical( pArg2 );
|
|
break;
|
|
case HB_SET_CURSOR :
|
|
hb_retni( hb_set.HB_SET_CURSOR );
|
|
if( args > 1 ) hb_set.HB_SET_CURSOR = ( HB_cursor_enum ) set_number( pArg2, hb_set.HB_SET_CURSOR );
|
|
break;
|
|
case HB_SET_DATEFORMAT :
|
|
if( hb_set.HB_SET_DATEFORMAT ) hb_retc( hb_set.HB_SET_DATEFORMAT );
|
|
else hb_retc( "" );
|
|
if( args > 1 ) hb_set.HB_SET_DATEFORMAT = set_string( pArg2, hb_set.HB_SET_DATEFORMAT );
|
|
break;
|
|
case HB_SET_DEBUG :
|
|
hb_retl( hb_set.HB_SET_DEBUG );
|
|
if( args > 1 ) hb_set.HB_SET_DEBUG = set_logical( pArg2 );
|
|
break;
|
|
case HB_SET_DECIMALS :
|
|
hb_retni( hb_set.HB_SET_DECIMALS );
|
|
if( args > 1 )
|
|
{
|
|
if( set_number( pArg2, hb_set.HB_SET_DECIMALS ) < 0 )
|
|
hb_errRT_BASE( EG_ARG, 2020, NULL, "SET" );
|
|
else
|
|
hb_set.HB_SET_DECIMALS = set_number( pArg2, hb_set.HB_SET_DECIMALS );
|
|
}
|
|
break;
|
|
case HB_SET_DEFAULT :
|
|
if( hb_set.HB_SET_DEFAULT ) hb_retc( hb_set.HB_SET_DEFAULT );
|
|
else hb_retc( "" );
|
|
if( args > 1 ) hb_set.HB_SET_DEFAULT = set_string( pArg2, hb_set.HB_SET_DEFAULT );
|
|
break;
|
|
case HB_SET_DELETED :
|
|
hb_retl( hb_set.HB_SET_DELETED );
|
|
if( args > 1 ) hb_set.HB_SET_DELETED = set_logical( pArg2 );
|
|
break;
|
|
case HB_SET_DELIMCHARS :
|
|
if( hb_set.HB_SET_DELIMCHARS ) hb_retc( hb_set.HB_SET_DELIMCHARS );
|
|
else hb_retc( "" );
|
|
if( args > 1 ) hb_set.HB_SET_DELIMCHARS = set_string( pArg2, hb_set.HB_SET_DELIMCHARS );
|
|
break;
|
|
case HB_SET_DELIMITERS :
|
|
hb_retl( hb_set.HB_SET_DELIMITERS );
|
|
if( args > 1 ) hb_set.HB_SET_DELIMITERS = set_logical( pArg2 );
|
|
break;
|
|
case HB_SET_DEVICE :
|
|
if( hb_set.HB_SET_DEVICE ) hb_retc( hb_set.HB_SET_DEVICE );
|
|
else hb_retc( "" );
|
|
if( args > 1 )
|
|
{
|
|
/* If the print file is not already open, open it. */
|
|
hb_set.HB_SET_DEVICE = set_string( pArg2, hb_set.HB_SET_DEVICE );
|
|
if( hb_stricmp( hb_set.HB_SET_DEVICE, "PRINTER" ) == 0 && hb_set_printhan < 0
|
|
&& hb_set.HB_SET_PRINTFILE && strlen( hb_set.HB_SET_PRINTFILE ) > 0 )
|
|
hb_set_printhan = open_handle( hb_set.HB_SET_PRINTFILE, bFlag, ".prn", HB_SET_PRINTFILE );
|
|
}
|
|
break;
|
|
case HB_SET_EPOCH :
|
|
hb_retni( hb_set.HB_SET_EPOCH );
|
|
if( args > 1 )
|
|
{
|
|
if( set_number( pArg2, hb_set.HB_SET_EPOCH ) < 0 )
|
|
hb_errRT_BASE( EG_ARG, 2020, NULL, "SET" );
|
|
else
|
|
hb_set.HB_SET_EPOCH = set_number( pArg2, hb_set.HB_SET_EPOCH );
|
|
}
|
|
break;
|
|
case HB_SET_ESCAPE :
|
|
hb_retl( hb_set.HB_SET_ESCAPE );
|
|
if( args > 1 ) hb_set.HB_SET_ESCAPE = set_logical( pArg2 );
|
|
break;
|
|
case HB_SET_EVENTMASK :
|
|
hb_retni( hb_set.HB_SET_EVENTMASK );
|
|
if( args > 1 ) hb_set.HB_SET_EVENTMASK = ( HB_inkey_enum ) set_number( pArg2, hb_set.HB_SET_EVENTMASK );
|
|
break;
|
|
case HB_SET_EXACT :
|
|
hb_retl( hb_set.HB_SET_EXACT );
|
|
if( args > 1 ) hb_set.HB_SET_EXACT = set_logical( pArg2 );
|
|
break;
|
|
case HB_SET_EXCLUSIVE :
|
|
hb_retl( hb_set.HB_SET_EXCLUSIVE );
|
|
if( args > 1 ) hb_set.HB_SET_EXCLUSIVE = set_logical( pArg2 );
|
|
break;
|
|
case HB_SET_EXIT :
|
|
hb_retl( hb_set.HB_SET_EXIT );
|
|
if( args > 1 ) hb_set.HB_SET_EXIT = set_logical( pArg2 );
|
|
break;
|
|
case HB_SET_EXTRA :
|
|
hb_retl( hb_set.HB_SET_EXTRA );
|
|
if( args > 1 ) hb_set.HB_SET_EXTRA = set_logical( pArg2 );
|
|
break;
|
|
case HB_SET_EXTRAFILE :
|
|
if( hb_set.HB_SET_EXTRAFILE ) hb_retc( hb_set.HB_SET_EXTRAFILE );
|
|
else hb_retc( "" );
|
|
if( args > 1 ) hb_set.HB_SET_EXTRAFILE = set_string( pArg2, hb_set.HB_SET_EXTRAFILE );
|
|
if( args > 2 ) bFlag = set_logical( pArg3 );
|
|
else bFlag = FALSE;
|
|
if( args > 1 )
|
|
{
|
|
close_text( hb_set_extrahan );
|
|
if( hb_set.HB_SET_EXTRAFILE && strlen( hb_set.HB_SET_EXTRAFILE ) > 0 )
|
|
hb_set_extrahan = open_handle( hb_set.HB_SET_EXTRAFILE, bFlag, ".prn", HB_SET_EXTRAFILE );
|
|
}
|
|
break;
|
|
case HB_SET_FIXED :
|
|
hb_retl( hb_set.HB_SET_FIXED );
|
|
if( args > 1 ) hb_set.HB_SET_FIXED = set_logical( pArg2 );
|
|
break;
|
|
case HB_SET_INSERT :
|
|
hb_retl( hb_set.HB_SET_INSERT );
|
|
if( args > 1 ) hb_set.HB_SET_INSERT = set_logical( pArg2 );
|
|
break;
|
|
case HB_SET_INTENSITY :
|
|
hb_retl( hb_set.HB_SET_INTENSITY );
|
|
if( args > 1 ) hb_set.HB_SET_INTENSITY = set_logical( pArg2 );
|
|
break;
|
|
case HB_SET_MARGIN :
|
|
hb_retni( hb_set.HB_SET_MARGIN );
|
|
if( args > 1 )
|
|
{
|
|
if( set_number( pArg2, hb_set.HB_SET_MARGIN ) < 0 )
|
|
hb_errRT_BASE( EG_ARG, 2020, NULL, "SET" );
|
|
else
|
|
hb_set.HB_SET_MARGIN = set_number( pArg2, hb_set.HB_SET_MARGIN );
|
|
}
|
|
break;
|
|
case HB_SET_MCENTER :
|
|
hb_retl( hb_set.HB_SET_MCENTER );
|
|
if( args > 1 ) hb_set.HB_SET_MCENTER = set_logical( pArg2 );
|
|
break;
|
|
case HB_SET_MESSAGE :
|
|
hb_retni( hb_set.HB_SET_MESSAGE );
|
|
if( args > 1 )
|
|
{
|
|
if( set_number( pArg2, hb_set.HB_SET_MESSAGE ) < 0 )
|
|
hb_errRT_BASE( EG_ARG, 2020, NULL, "SET" );
|
|
else
|
|
hb_set.HB_SET_MESSAGE = set_number( pArg2, hb_set.HB_SET_MESSAGE );
|
|
}
|
|
break;
|
|
case HB_SET_PATH :
|
|
if( hb_set.HB_SET_PATH ) hb_retc( hb_set.HB_SET_PATH );
|
|
if( args > 1 ) hb_set.HB_SET_PATH = set_string( pArg2, hb_set.HB_SET_PATH );
|
|
else hb_retc( "" );
|
|
break;
|
|
case HB_SET_PRINTER :
|
|
hb_retl( hb_set.HB_SET_PRINTER );
|
|
if( args > 1 ) hb_set.HB_SET_PRINTER = set_logical( pArg2 );
|
|
break;
|
|
case HB_SET_PRINTFILE :
|
|
if( hb_set.HB_SET_PRINTFILE ) hb_retc( hb_set.HB_SET_PRINTFILE );
|
|
else hb_retc( "" );
|
|
if( args > 1 ) hb_set.HB_SET_PRINTFILE = set_string( pArg2, hb_set.HB_SET_PRINTFILE );
|
|
if( args > 2 ) bFlag = set_logical( pArg3 );
|
|
else bFlag = FALSE;
|
|
if( args > 1 )
|
|
{
|
|
close_binary( hb_set_printhan );
|
|
if( hb_set.HB_SET_PRINTFILE && strlen( hb_set.HB_SET_PRINTFILE ) > 0 )
|
|
hb_set_printhan = open_handle( hb_set.HB_SET_PRINTFILE, bFlag, ".prn", HB_SET_PRINTFILE );
|
|
}
|
|
break;
|
|
case HB_SET_SCOREBOARD :
|
|
hb_retl( hb_set.HB_SET_SCOREBOARD );
|
|
if( args > 1 ) hb_set.HB_SET_SCOREBOARD = set_logical( pArg2 );
|
|
break;
|
|
case HB_SET_SCROLLBREAK:
|
|
hb_retl( hb_set.HB_SET_SCROLLBREAK );
|
|
if( args > 1 ) hb_set.HB_SET_SCROLLBREAK = set_logical( pArg2 );
|
|
break;
|
|
case HB_SET_SOFTSEEK :
|
|
hb_retl( hb_set.HB_SET_SOFTSEEK );
|
|
if( args > 1 ) hb_set.HB_SET_SOFTSEEK = set_logical( pArg2 );
|
|
break;
|
|
case HB_SET_TYPEAHEAD :
|
|
hb_retni( hb_set.HB_SET_TYPEAHEAD );
|
|
if( args > 1 )
|
|
{
|
|
/* Set the value and limit the range */
|
|
int old = hb_set.HB_SET_TYPEAHEAD;
|
|
hb_set.HB_SET_TYPEAHEAD = set_number( pArg2, old );
|
|
if( hb_set.HB_SET_TYPEAHEAD == 0 ) /* Do nothing */ ;
|
|
else if( hb_set.HB_SET_TYPEAHEAD < 16 ) hb_set.HB_SET_TYPEAHEAD = 16;
|
|
else if( hb_set.HB_SET_TYPEAHEAD > 4096 ) hb_set.HB_SET_TYPEAHEAD = 4096;
|
|
/* Always reset the buffer, but only reallocate if the size changed */
|
|
hb_inkeyReset( old == hb_set.HB_SET_TYPEAHEAD ? FALSE : TRUE );
|
|
}
|
|
break;
|
|
case HB_SET_UNIQUE :
|
|
hb_retl( hb_set.HB_SET_UNIQUE );
|
|
if( args > 1 ) hb_set.HB_SET_UNIQUE = set_logical( pArg2 );
|
|
break;
|
|
case HB_SET_WRAP :
|
|
hb_retl( hb_set.HB_SET_WRAP );
|
|
if( args > 1 ) hb_set.HB_SET_WRAP = set_logical( pArg2 );
|
|
break;
|
|
default :
|
|
/* Return NIL if called with invalid SET specifier */
|
|
hb_ret();
|
|
}
|
|
}
|
|
|
|
void hb_setInitialize( void )
|
|
{
|
|
hb_set_century = FALSE;
|
|
hb_set_althan = FS_ERROR;
|
|
hb_set_extrahan = FS_ERROR;
|
|
hb_set_printhan = FS_ERROR;
|
|
hb_set.HB_SET_ALTERNATE = FALSE;
|
|
hb_set.HB_SET_ALTFILE = NULL;
|
|
hb_set.HB_SET_BELL = FALSE;
|
|
hb_set.HB_SET_CANCEL = TRUE;
|
|
strncpy( hb_set.HB_SET_COLOR, "W/N,N/W,N/N,N/N,N/W", sizeof( hb_set.HB_SET_COLOR ) );
|
|
hb_set.HB_SET_COLOR[ sizeof( hb_set.HB_SET_COLOR ) - 1 ] = '\0';
|
|
hb_set.HB_SET_CONFIRM = FALSE;
|
|
hb_set.HB_SET_CONSOLE = TRUE;
|
|
hb_set.HB_SET_CURSOR = SC_NORMAL;
|
|
hb_set.HB_SET_DATEFORMAT = ( char * ) hb_xgrab( 9 );
|
|
memcpy( hb_set.HB_SET_DATEFORMAT, "mm/dd/yy", 9 );
|
|
hb_set.HB_SET_DEBUG = FALSE;
|
|
hb_set.HB_SET_DECIMALS = 2;
|
|
hb_set.HB_SET_DEFAULT = ( char * ) hb_xgrab( 1 );
|
|
hb_set.HB_SET_DEFAULT[ 0 ] = '\0';
|
|
hb_set.HB_SET_DELETED = FALSE;
|
|
hb_set.HB_SET_DELIMCHARS = ( char * ) hb_xgrab( 3 );
|
|
memcpy( hb_set.HB_SET_DELIMCHARS, "::", 3 );
|
|
hb_set.HB_SET_DELIMITERS = FALSE;
|
|
hb_set.HB_SET_DEVICE = ( char * ) hb_xgrab( 7 );
|
|
memcpy( hb_set.HB_SET_DEVICE, "SCREEN", 7 );
|
|
hb_set.HB_SET_EPOCH = 1900;
|
|
hb_set.HB_SET_ESCAPE = 1;
|
|
hb_set.HB_SET_EVENTMASK = INKEY_KEYBOARD;
|
|
hb_set.HB_SET_EXACT = FALSE;
|
|
hb_set.HB_SET_EXCLUSIVE = TRUE;
|
|
hb_set.HB_SET_EXIT = FALSE;
|
|
hb_set.HB_SET_EXTRA = FALSE;
|
|
hb_set.HB_SET_EXTRAFILE = NULL;
|
|
hb_set.HB_SET_FIXED = FALSE;
|
|
hb_set.HB_SET_INSERT = FALSE;
|
|
hb_set.HB_SET_INTENSITY = TRUE;
|
|
hb_set.HB_SET_MARGIN = 0;
|
|
hb_set.HB_SET_MCENTER = FALSE;
|
|
hb_set.HB_SET_MESSAGE = 0;
|
|
hb_set.HB_SET_PATH = ( char * ) hb_xgrab( 1 );
|
|
hb_set.HB_SET_PATH[ 0 ] = '\0';
|
|
hb_set.HB_SET_PRINTER = FALSE;
|
|
hb_set.HB_SET_PRINTFILE = ( char * ) hb_xgrab( 4 );
|
|
memcpy( hb_set.HB_SET_PRINTFILE, "PRN", 4 ); /* Default printer device */
|
|
hb_set.HB_SET_SCOREBOARD = TRUE;
|
|
hb_set.HB_SET_SCROLLBREAK = TRUE;
|
|
hb_set.HB_SET_SOFTSEEK = FALSE;
|
|
hb_set.HB_SET_TYPEAHEAD = 50; hb_inkeyReset( TRUE ); /* Allocate keyboard typeahead buffer */
|
|
hb_set.HB_SET_UNIQUE = FALSE;
|
|
hb_set.HB_SET_WRAP = FALSE;
|
|
}
|
|
|
|
void hb_setRelease( void )
|
|
{
|
|
close_text( hb_set_althan );
|
|
close_text( hb_set_extrahan );
|
|
close_binary( hb_set_printhan );
|
|
|
|
if( hb_set.HB_SET_ALTFILE ) hb_xfree( hb_set.HB_SET_ALTFILE );
|
|
if( hb_set.HB_SET_DATEFORMAT ) hb_xfree( hb_set.HB_SET_DATEFORMAT );
|
|
if( hb_set.HB_SET_DEFAULT ) hb_xfree( hb_set.HB_SET_DEFAULT );
|
|
if( hb_set.HB_SET_DELIMCHARS ) hb_xfree( hb_set.HB_SET_DELIMCHARS );
|
|
if( hb_set.HB_SET_DEVICE ) hb_xfree( hb_set.HB_SET_DEVICE );
|
|
if( hb_set.HB_SET_EXTRAFILE ) hb_xfree( hb_set.HB_SET_EXTRAFILE );
|
|
if( hb_set.HB_SET_PATH ) hb_xfree( hb_set.HB_SET_PATH );
|
|
if( hb_set.HB_SET_PRINTFILE ) hb_xfree( hb_set.HB_SET_PRINTFILE );
|
|
|
|
hb_set.HB_SET_TYPEAHEAD = -1; hb_inkeyReset( TRUE ); /* Free keyboard typeahead buffer */
|
|
}
|