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- /*
- * Copyright (C) 2013 Michael Brown <mbrown@fensystems.co.uk>.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- *
- * You can also choose to distribute this program under the terms of
- * the Unmodified Binary Distribution Licence (as given in the file
- * COPYING.UBDL), provided that you have satisfied its requirements.
- */
-
- FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
-
- #include <stdio.h>
- #include <errno.h>
- #include <assert.h>
- #include <ipxe/ansiesc.h>
- #include <ipxe/ansicol.h>
- #include <config/colour.h>
-
- /** @file
- *
- * ANSI colours
- *
- */
-
- /** ANSI colour pair definitions */
- static struct ansicol_pair ansicol_pairs[] = {
- [CPAIR_DEFAULT] = { COLOR_DEFAULT, COLOR_DEFAULT },
- [CPAIR_NORMAL] = { COLOR_NORMAL_FG, COLOR_NORMAL_BG },
- [CPAIR_SELECT] = { COLOR_SELECT_FG, COLOR_SELECT_BG },
- [CPAIR_SEPARATOR] = { COLOR_SEPARATOR_FG, COLOR_SEPARATOR_BG },
- [CPAIR_EDIT] = { COLOR_EDIT_FG, COLOR_EDIT_BG },
- [CPAIR_ALERT] = { COLOR_ALERT_FG, COLOR_ALERT_BG },
- [CPAIR_URL] = { COLOR_URL_FG, COLOR_URL_BG },
- [CPAIR_PXE] = { COLOR_PXE_FG, COLOR_PXE_BG },
- };
-
- /**
- * Set ANSI colour (when no colour definition support is present)
- *
- * @v colour Colour index
- * @v which Foreground/background selector
- */
- __weak void ansicol_set ( unsigned int colour, unsigned int which ) {
-
- /* Colour indices are hardcoded and should never be out of range */
- assert ( colour < 10 );
-
- /* Set basic colour */
- printf ( CSI "%c%dm", which, colour );
- }
-
- /**
- * Set ANSI foreground colour
- *
- * @v colour Colour index
- */
- static void ansicol_foreground ( unsigned int colour ) {
- ansicol_set ( colour, '3' );
- }
-
- /**
- * Set ANSI background colour
- *
- * @v colour Colour index
- */
- static void ansicol_background ( unsigned int colour ) {
- ansicol_set ( colour, '4' );
- }
-
- /**
- * Set ANSI foreground and background colour
- *
- * @v cpair Colour pair index
- */
- void ansicol_set_pair ( unsigned int cpair ) {
- struct ansicol_pair *pair;
-
- /* Colour pair indices are hardcoded and should never be out of range */
- assert ( cpair < ( sizeof ( ansicol_pairs ) /
- sizeof ( ansicol_pairs[0] ) ) );
-
- /* Set both foreground and background colours */
- pair = &ansicol_pairs[cpair];
- ansicol_foreground ( pair->foreground );
- ansicol_background ( pair->background );
- }
-
- /**
- * Define ANSI colour pair
- *
- * @v cpair Colour pair index
- * @v foreground Foreground colour index
- * @v background Background colour index
- * @ret rc Return status code
- */
- int ansicol_define_pair ( unsigned int cpair, unsigned int foreground,
- unsigned int background ) {
- struct ansicol_pair *pair;
-
- /* Fail if colour index is out of range */
- if ( cpair >= ( sizeof ( ansicol_pairs ) / sizeof ( ansicol_pairs[0] )))
- return -EINVAL;
-
- /* Update colour pair definition */
- pair = &ansicol_pairs[cpair];
- pair->foreground = foreground;
- pair->background = background;
- DBGC ( &ansicol_pairs[0], "ANSICOL redefined colour pair %d as "
- "foreground %d background %d\n", cpair, foreground, background );
-
- return 0;
- }
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