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Diffstat (limited to 'contrib/syslinux/syslinux-4.03/com32/lib/sys/ansi.c')
-rw-r--r--contrib/syslinux/syslinux-4.03/com32/lib/sys/ansi.c444
1 files changed, 0 insertions, 444 deletions
diff --git a/contrib/syslinux/syslinux-4.03/com32/lib/sys/ansi.c b/contrib/syslinux/syslinux-4.03/com32/lib/sys/ansi.c
deleted file mode 100644
index f73c03e..0000000
--- a/contrib/syslinux/syslinux-4.03/com32/lib/sys/ansi.c
+++ /dev/null
@@ -1,444 +0,0 @@
-/* ----------------------------------------------------------------------- *
- *
- * Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
- *
- * Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Software, and to permit persons to whom
- * the Software is furnished to do so, subject to the following
- * conditions:
- *
- * The above copyright notice and this permission notice shall
- * be included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * ----------------------------------------------------------------------- */
-
-/*
- * ansi.c
- *
- * ANSI character code engine
- */
-
-#include <string.h>
-#include <colortbl.h>
-#include "ansi.h"
-
-static const struct term_state default_state = {
- .state = st_init,
- .pvt = false,
- .nparms = 0,
- .xy = {0, 0},
- .cindex = 0, /* First color table entry */
- .vtgraphics = false,
- .intensity = 1,
- .underline = false,
- .blink = false,
- .reverse = false,
- .fg = 7,
- .bg = 0,
- .autocr = true, /* Mimic \n -> \r\n conversion by default */
- .autowrap = true, /* Wrap lines by default */
- .saved_xy = {0, 0},
- .cursor = true,
-};
-
-/* DEC VT graphics to codepage 437 table (characters 0x60-0x7F only) */
-static const char decvt_to_cp437[] = {
- 0004, 0261, 0007, 0007, 0007, 0007, 0370, 0361,
- 0007, 0007, 0331, 0277, 0332, 0300, 0305, 0304,
- 0304, 0304, 0137, 0137, 0303, 0264, 0301, 0302,
- 0263, 0363, 0362, 0343, 0330, 0234, 0007, 00
-};
-
-void __ansi_init(const struct term_info *ti)
-{
- memcpy(ti->ts, &default_state, sizeof default_state);
-}
-
-void __ansi_putchar(const struct term_info *ti, uint8_t ch)
-{
- const struct ansi_ops *op = ti->op;
- struct term_state *st = ti->ts;
- const int rows = ti->rows;
- const int cols = ti->cols;
- struct curxy xy = st->xy;
-
- switch (st->state) {
- case st_init:
- switch (ch) {
- case 1 ... 5:
- st->state = st_tbl;
- st->parms[0] = ch;
- break;
- case '\a':
- op->beep();
- break;
- case '\b':
- if (xy.x > 0)
- xy.x--;
- break;
- case '\t':
- {
- int nsp = 8 - (xy.x & 7);
- while (nsp--)
- __ansi_putchar(ti, ' ');
- }
- return; /* Cursor already updated */
- case '\n':
- case '\v':
- case '\f':
- xy.y++;
- if (st->autocr)
- xy.x = 0;
- break;
- case '\r':
- xy.x = 0;
- break;
- case 127:
- /* Ignore delete */
- break;
- case 14:
- st->vtgraphics = 1;
- break;
- case 15:
- st->vtgraphics = 0;
- break;
- case 27:
- st->state = st_esc;
- break;
- default:
- /* Print character */
- if (ch >= 32) {
- if (st->vtgraphics && (ch & 0xe0) == 0x60)
- ch = decvt_to_cp437[ch - 0x60];
-
- op->write_char(xy.x, xy.y, ch, st);
- xy.x++;
- }
- break;
- }
- break;
-
- case st_esc:
- switch (ch) {
- case '%':
- case '(':
- case ')':
- case '#':
- /* Ignore this plus the subsequent character, allows
- compatibility with Linux sequence to set charset */
- break;
- case '[':
- st->state = st_csi;
- st->nparms = 0;
- st->pvt = false;
- memset(st->parms, 0, sizeof st->parms);
- break;
- case 'c':
- /* Reset terminal */
- memcpy(&st, &default_state, sizeof st);
- op->erase(st, 0, 0, cols - 1, rows - 1);
- xy.x = xy.y = 0;
- st->state = st_init;
- break;
- default:
- /* Ignore sequence */
- st->state = st_init;
- break;
- }
- break;
-
- case st_csi:
- {
- int p0 = st->parms[0] ? st->parms[0] : 1;
-
- if (ch >= '0' && ch <= '9') {
- st->parms[st->nparms] = st->parms[st->nparms] * 10 + (ch - '0');
- } else if (ch == ';') {
- st->nparms++;
- if (st->nparms >= ANSI_MAX_PARMS)
- st->nparms = ANSI_MAX_PARMS - 1;
- break;
- } else if (ch == '?') {
- st->pvt = true;
- } else {
- switch (ch) {
- case 'A':
- {
- int y = xy.y - p0;
- xy.y = (y < 0) ? 0 : y;
- }
- break;
- case 'B':
- {
- int y = xy.y + p0;
- xy.y = (y >= rows) ? rows - 1 : y;
- }
- break;
- case 'C':
- {
- int x = xy.x + p0;
- xy.x = (x >= cols) ? cols - 1 : x;
- }
- break;
- case 'D':
- {
- int x = xy.x - p0;
- xy.x = (x < 0) ? 0 : x;
- }
- break;
- case 'E':
- {
- int y = xy.y + p0;
- xy.y = (y >= rows) ? rows - 1 : y;
- xy.x = 0;
- }
- break;
- case 'F':
- {
- int y = xy.y - p0;
- xy.y = (y < 0) ? 0 : y;
- xy.x = 0;
- }
- break;
- case 'G':
- case '\'':
- {
- int x = st->parms[0] - 1;
- xy.x = (x >= cols) ? cols - 1 : (x < 0) ? 0 : x;
- }
- break;
- case 'H':
- case 'f':
- {
- int y = st->parms[0] - 1;
- int x = st->parms[1] - 1;
-
- xy.x = (x >= cols) ? cols - 1 : (x < 0) ? 0 : x;
- xy.y = (y >= rows) ? rows - 1 : (y < 0) ? 0 : y;
- }
- break;
- case 'J':
- {
- switch (st->parms[0]) {
- case 0:
- op->erase(st, xy.x, xy.y, cols - 1, xy.y);
- if (xy.y < rows - 1)
- op->erase(st, 0, xy.y + 1, cols - 1, rows - 1);
- break;
-
- case 1:
- if (xy.y > 0)
- op->erase(st, 0, 0, cols - 1, xy.y - 1);
- if (xy.y > 0)
- op->erase(st, 0, xy.y, xy.x - 1, xy.y);
- break;
-
- case 2:
- op->erase(st, 0, 0, cols - 1, rows - 1);
- break;
-
- default:
- /* Ignore */
- break;
- }
- }
- break;
- case 'K':
- {
- switch (st->parms[0]) {
- case 0:
- op->erase(st, xy.x, xy.y, cols - 1, xy.y);
- break;
-
- case 1:
- if (xy.x > 0)
- op->erase(st, 0, xy.y, xy.x - 1, xy.y);
- break;
-
- case 2:
- op->erase(st, 0, xy.y, cols - 1, xy.y);
- break;
-
- default:
- /* Ignore */
- break;
- }
- }
- break;
- case 'h':
- case 'l':
- {
- bool set = (ch == 'h');
- switch (st->parms[0]) {
- case 7: /* DECAWM */
- st->autowrap = set;
- break;
- case 20: /* LNM */
- st->autocr = set;
- break;
- case 25: /* DECTECM */
- st->cursor = set;
- op->showcursor(st);
- break;
- default:
- /* Ignore */
- break;
- }
- break;
- }
- case 'm':
- {
- static const int ansi2pc[8] =
- { 0, 4, 2, 6, 1, 5, 3, 7 };
-
- int i;
- for (i = 0; i <= st->nparms; i++) {
- int a = st->parms[i];
- switch (a) {
- case 0:
- st->fg = 7;
- st->bg = 0;
- st->intensity = 1;
- st->underline = 0;
- st->blink = 0;
- st->reverse = 0;
- break;
- case 1:
- st->intensity = 2;
- break;
- case 2:
- st->intensity = 0;
- break;
- case 4:
- st->underline = 1;
- break;
- case 5:
- st->blink = 1;
- break;
- case 7:
- st->reverse = 1;
- break;
- case 21:
- case 22:
- st->intensity = 1;
- break;
- case 24:
- st->underline = 0;
- break;
- case 25:
- st->blink = 0;
- break;
- case 27:
- st->reverse = 0;
- break;
- case 30 ... 37:
- st->fg = ansi2pc[a - 30];
- break;
- case 38:
- st->fg = 7;
- st->underline = 1;
- break;
- case 39:
- st->fg = 7;
- st->underline = 0;
- break;
- case 40 ... 47:
- st->bg = ansi2pc[a - 40];
- break;
- case 49:
- st->bg = 7;
- break;
- default:
- /* Do nothing */
- break;
- }
- }
- }
- break;
- case 's':
- st->saved_xy = xy;
- break;
- case 'u':
- xy = st->saved_xy;
- break;
- default: /* Includes CAN and SUB */
- break; /* Drop unknown sequence */
- }
- st->state = st_init;
- }
- }
- break;
-
- case st_tbl:
- st->parms[1] = 0;
- if (ch == '#')
- st->state = st_tblc;
- else
- st->state = st_init;
- break;
-
- case st_tblc:
- {
- unsigned int n = (unsigned char)ch - '0';
- const char *p;
-
- if (n < 10) {
- st->parms[1] = st->parms[1] * 10 + n;
-
- if (!--st->parms[0]) {
- if (st->parms[1] < console_color_table_size) {
- /* Set the color table index */
- st->cindex = st->parms[1];
-
- /* See if there are any other attributes we care about */
- p = console_color_table[st->parms[1]].ansi;
- if (p) {
- st->state = st_esc;
- __ansi_putchar(ti, '[');
- __ansi_putchar(ti, '0');
- __ansi_putchar(ti, ';');
- while (*p)
- __ansi_putchar(ti, *p++);
- __ansi_putchar(ti, 'm');
- }
- }
- st->state = st_init;
- }
- } else {
- st->state = st_init;
- }
- }
- break;
- }
-
- /* If we fell off the end of the screen, adjust */
- if (xy.x >= cols) {
- if (st->autowrap) {
- xy.x = 0;
- xy.y++;
- } else {
- xy.x = cols - 1;
- }
- }
- while (xy.y >= rows) {
- xy.y--;
- op->scroll_up(st);
- }
-
- /* Update cursor position */
- op->set_cursor(xy.x, xy.y, st->cursor);
- st->xy = xy;
-}
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