2020-06-15 14:18:57 +00:00
|
|
|
|
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
|
|
|
|
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
|
|
|
|
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
|
|
|
|
│ Copyright 2020 Justine Alexandra Roberts Tunney │
|
|
|
|
|
|
│ │
|
|
|
|
|
|
│ 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; version 2 of the License. │
|
|
|
|
|
|
│ │
|
|
|
|
|
|
│ 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 │
|
|
|
|
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
|
|
|
|
#include "libc/assert.h"
|
2020-11-25 16:19:00 +00:00
|
|
|
|
#include "libc/fmt/bing.internal.h"
|
2020-06-15 14:18:57 +00:00
|
|
|
|
#include "libc/str/str.h"
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
* Turns binary octet into unicode glyph representation.
|
|
|
|
|
|
*
|
|
|
|
|
|
* Cosmopolitan displays RADIX-256 numbers using these digits:
|
|
|
|
|
|
*
|
|
|
|
|
|
* 0123456789abcdef
|
|
|
|
|
|
* 0 ☺☻♥♦♣♠•◘○◙♂♀♪♫☼
|
|
|
|
|
|
* 1►◄↕‼¶§▬↨↑↓→←∟↔▲▼
|
|
|
|
|
|
* 2 !"#$%&'()*+,-./
|
|
|
|
|
|
* 30123456789:;<=>?
|
|
|
|
|
|
* 4@ABCDEFGHIJKLMNO
|
|
|
|
|
|
* 5PQRSTUVWXYZ[\]^_
|
|
|
|
|
|
* 6`abcdefghijklmno
|
|
|
|
|
|
* 7pqrstuvwxyz{|}~⌂
|
|
|
|
|
|
* 8ÇüéâäàåçêëèïîìÄÅ
|
|
|
|
|
|
* 9ÉæÆôöòûùÿÖÜ¢£¥€ƒ
|
|
|
|
|
|
* aáíóúñѪº¿⌐¬½¼¡«»
|
|
|
|
|
|
* b░▒▓│┤╡╢╖╕╣║╗╝╜╛┐
|
|
|
|
|
|
* c└┴┬├─┼╞╟╚╔╩╦╠═╬╧
|
|
|
|
|
|
* d╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀
|
|
|
|
|
|
* eαßΓπΣσμτΦΘΩδ∞φε∩
|
|
|
|
|
|
* f≡±≥≤⌠⌡÷≈°∙·√ⁿ²■λ
|
|
|
|
|
|
*
|
|
|
|
|
|
* IBM designed these glyphs for the PC to map onto the display bytes at
|
|
|
|
|
|
* (char *)0xb8000. Because IBM authorized buyers of its PCs to inspect
|
|
|
|
|
|
* and/or modify this region of memory, it became widely understood by
|
|
|
|
|
|
* many developers as a quick way to visualize arbitrary data that's so
|
|
|
|
|
|
* superior to hexdump -- a use-case that's lived on longer than the CGA
|
|
|
|
|
|
* graphics card for which it was designed.
|
|
|
|
|
|
*
|
|
|
|
|
|
* @param b is binary octet to pictorally represent
|
|
|
|
|
|
* @param intent controls canonical multimappings: ∅␀ ,\n◙,ε∊∈€, λ,etc.
|
|
|
|
|
|
* @see unbing() for inverse
|
|
|
|
|
|
*/
|
|
|
|
|
|
int bing(int b, int intent) {
|
|
|
|
|
|
assert(0 <= b && b < 256);
|
|
|
|
|
|
return kCp437[b & 0xff]; /* TODO(jart): multimappings */
|
|
|
|
|
|
}
|
