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add a lot of new stuff

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fyr77 2020-12-07 15:57:57 +01:00
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3
README.md
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@ -6,4 +6,5 @@ All information can be found on the website itself: hohoho.jakobsenkl.pw
## Thanks
- W3schools for [w3.css](https://www.w3schools.com/w3css/)
- P. Reichl and S. Claus for HoHoHo!
- P. Reichl and S. Claus for HoHoHo!
- Andreas Gohr (splitbrain) for the [PHP Brainfuck interpreter](https://github.com/splitbrain/ook)

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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
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Copyright (C) <year> <name of author>
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(at your option) 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
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Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
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The hypothetical commands `show w' and `show c' should show the appropriate
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You should also get your employer (if you work as a programmer) or your
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Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Library General
Public License instead of this License.

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# PHP API
This is the API used for converting to/from Brainfuck.
The files `util.php` and `brainfuck.php` were taken from [this GitHub repository](https://github.com/splitbrain/ook) and were not modified. Their license can be found in the file `LICENSE_BF_API`.
`api.php` was written by myself (Jakob Senkl) and the [repository license](https://github.com/fyr77/hohoho/blob/main/LICENSE) applies to it.

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<?php
include "brainfuck.php";
include "util.php";
$func = $_POST['func'];
$instr = $_POST['instr'];
if ($func == 'tobf')
{
echo fuck_text($instr);
}
elseif ($func == 'interpret')
{
echo brainfuck($instr);
}
else
{
echo "function error.";
}
?>

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<?php
/*
Brainfuck interpreter in PHP
Copyright (C) 2002 Daniel Lorch
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
(at your option) 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* Debug function displays valuable debug information.
Rewrite this if desired.
$s, $_s Source string and pointer (current position)
$d, $_d Data array and pointer
$i, $_i Input string and pointer
$o Output string
*/
function brainfuck_debug(&$s, &$_s, &$d, &$_d, &$i, &$_i, &$o) {
echo "<table>\n";
echo "<tr><td><b>Position</b></td><td><b>Value</b></td><td><b>ASCII</b></td></tr>\n";
foreach($d as $element => $value) {
echo "<tr>\n";
echo "<td align=\"center\">" . $element . "</td>\n";
echo "<td align=\"center\">" . ord($value) . "</td>\n";
echo "<td align=\"center\">" . (ord($value) >= 32 ? htmlentities($value) : "&nbsp;") . "</td>\n";
echo "</tr>\n";
}
echo "</table>\n";
}
/* The actual interpreter */
function brainfuck_interpret(&$s, &$_s, &$d, &$_d, &$i, &$_i, &$o) {
do {
switch($s[$_s]) {
/* Execute brainfuck commands. Values are not stored as numbers, but as their
representing characters in the ASCII table. This is perfect, as chr(256) is
automagically converted to chr(0). */
case '+': $d[$_d] = chr(ord($d[$_d]) + 1); break;
case '-': $d[$_d] = chr(ord($d[$_d]) - 1); break;
case '>': $_d++; if(!isset($d[$_d])) $d[$_d] = chr(0); break;
case '<': $_d--; break;
/* Output is stored in a variable. Change this to
echo $d[$_d]; flush();
if you would like to have a "live" output (when running long calculations, for example.
Or if you are just terribly impatient). */
case '.': $o .= $d[$_d]; break;
/* Due to PHP's non-interactive nature I have the whole input passed over in a string.
I successively read characters from this string and pass it over to BF every time a
',' command is executed. */
case ',': $d[$_d] = $_i==strlen($i) ? chr(0) : $i[$_i++]; break;
/* Catch loops */
case '[':
/* Skip loop (also nested ones) */
if((int)ord($d[$_d]) == 0) {
$brackets = 1;
while($brackets && $_s++ < strlen($s)) {
if($s[$_s] == '[')
$brackets++;
else if($s[$_s] == ']')
$brackets--;
}
}
/* Execute loop */
else {
$pos = $_s++-1;
/* The closing ] returns true when the loop has to be executed again. If so, then return
to the $pos(ition) where the opening [ is. */
if(brainfuck_interpret($s, $_s, $d, $_d, $i, $_i, $o))
$_s = $pos;
}
break;
/* Return true when loop has to be executed again. It is redundant to the [ checking, but
it will save some parsing time (otherwise the interpreter would have to return to [ only
to skip all characters again) */
case ']': return ((int)ord($d[$_d]) != 0);
/* Call debug function */
case '#': brainfuck_debug($s, $_s, $d, $_d, $i, $_i, $o);
}
} while(++$_s < strlen($s));
}
/* Call this one in order to interpret brainfuck code */
function brainfuck($source, $input='') {
/* Define needed variables:
$data Brainfuck's memory
$source Source data
$input Simulate STDIN
$output Save output in here
Each with according index variables
*/
$data = array();
$data[0] = chr(0); /* It is necessary to set every element explicitly, as
PHP treats arrays as hashes */
$data_index = 0;
$source_index = 0;
$input_index = 0;
$output = '';
/* Call the actual interpreter */
brainfuck_interpret($source, $source_index,
$data, $data_index,
$input, $input_index,
$output);
return $output;
}
?>

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<!DOCTYPE html>
<html lang="">
<head>
<meta charset="utf-8">
<title>test</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
<textarea id="testa"></textarea>
<textarea id="func"></textarea>
<textarea id="instr"></textarea>
<script>
function doReq() {
const instr = document.getElementById("instr").value.replace(/\+/g, "%2B"); //necessary for encoding
const options = {
method: 'POST',
body: `func=${document.getElementById("func").value}&instr=${instr}`,
headers: {
'Content-Type': 'application/x-www-form-urlencoded'
}
}
console.log(options.body);
fetch('https://dev.jakobsenkl.pw/hohoho/api.php', options)
.then(res => res.text())
.then(res => (document.getElementById("testa").value = res))
.catch(err => console.error(err));
}
</script>
</body>
</html>

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<?php
/*
Brainfuck interpreter in PHP
Copyright (C) 2002 Daniel Lorch
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
(at your option) 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/******************************************************
Some tools which I created and you might find useful
******************************************************/
/*
fuck_text() generates brainfuck code from $text. The resulting code will use the current
register p for looping and the register p+1 for the resulting character. Thus, make sure
these two registers are zero (prepend "[-]>[-]<<" to clear the first two registers).
I suggest you to use this function in conjunction with wordwrap:
$bf = wordwrap(fuck_text("Hello World"), 75, "\n", 1));
wich will generate nice, formatted output.
*/
function fuck_text($text) {
/* value of current pointer */
$value = 0;
for($_t = 0; $_t < strlen($text); ++$_t) {
/* ordinal difference between current char and the one we want to have */
$diff = ord($text[$_t]) - $value;
/* it's easier like this than always computing this value - saves some cpu cycles*/
$value = ord($text[$_t]);
/* repeat current character */
if($diff == 0) {
$result .= ">.<";
continue;
}
/* is it worth making a loop?
No. A bunch of + or - consume less space than the loop. */
if(abs($diff) < 10) {
/* output a bunch of + or - */
if($diff > 0)
$result .= ">" . str_repeat("+", $diff);
else if($diff < 0)
$result .= ">" . str_repeat("-", abs($diff));
}
/* Yes, create a loop. This will make the resulting code more compact. */
else {
/* we strictly use ints, as PHP has some bugs with floating point operations
(even if no division is involved) */
$loop = (int)sqrt(abs($diff));
/* set loop counter */
$result .= str_repeat("+", $loop);
/* execute loop, then add reminder */
if($diff > 0) {
$result .= "[->" . str_repeat("+", $loop) . "<]";
$result .= ">" . str_repeat("+", $diff - pow($loop, 2));
}
else if($diff < 0) {
$result .= "[->" . str_repeat("-", $loop) . "<]";
$result .= ">" . str_repeat("-", abs($diff) - pow($loop, 2));
}
} /* end: if loop */
$result .= ".<";
} /* end: for */
/* cleanup */
return str_replace("<>", "", $result);
}
/*
This function checks whether the brackets are balanced. Make sure you get the
return value correctly, as 0 means "OK" and not "false":
positive return value : this many [ too much = this many ] missing
zero : balanced
negatice return value : this many ] too much = this many [ missing
*/
function bf_brackets_balance($bf) {
$histogram = count_chars($bf);
return $histogram[91] - $histogram[93];
}
/*
This returns the real number of brainfuck commands when all other characters
are ignored.
*/
function bf_count_chars($bf) {
return count(preg_split("/[\[\]+\-<>.,]/", $bf)) - 1;
}
/*
bf_reduce() removes all unnecessary characters from a brainfuck source, only
leaving actual instructions left.
*/
function bf_reduce($bf) {
preg_match_all("/[\[\]+\-<>.,]/", $bf, $matches);
return join("", $matches[0]);
}
?>

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@ -24,20 +24,22 @@
</header>
<main>
<h1 class="w3-center">HoHoHo! / Brainfuck converter</h1>
<div class="w3-container w3-red w3-center">
<h3>HoHoHo!</h3>
<p><textarea style="width: 100%; height: 20vh;" id="hohoho_code"></textarea></p>
</div>
<div class="w3-container w3-green w3-center">
<h3>Brainfuck</h3>
<p><textarea style="width: 100%; height: 20vh;" id="brainfuck_code"></textarea></p>
<div class="w3-row">
<div class="w3-col m4 w3-red w3-center">
<h3><button onclick="ho();">HoHoHo</button></h3>
<p><textarea style="width: 90%; height: 30vh;" id="hohoho_code"></textarea></p>
</div>
<div class="w3-col m4 w3-green w3-center">
<h3><button onclick="bf();">Brainfuck</button></h3>
<p><textarea style="width: 90%; height: 30vh;" id="brainfuck_code"></textarea></p>
</div>
<div class="w3-col m4 w3-dark-grey w3-center">
<h3><button onclick="txt();">Text</button></h3>
<p><textarea style="width: 90%; height: 30vh;" id="text_code"></textarea></p>
</div>
</div>
<div class="w3-container w3-light-gray w3-center">
<p>
<button onclick="ho_to_bf();">HoHoHo to Brainfuck</button>
<br>
<button onclick="bf_to_ho();">Brainfuck to HoHoHo</button>
<br>
<input type="checkbox" id="simple_hoho" name="Simple Hoho">
<label for="simple_hoho">Simple Hoho</label>
</p>
@ -51,64 +53,6 @@
<p>There is also a simplified, less Turing-complete version called "Simple Hoho".</p>
<p>All details regarding HoHoHo! can be found in the <a href="https://arxiv.org/pdf/1712.06259.pdf" target="_blank">corresponding paper</a>.</p>
</footer>
<script type="text/javascript">
function ho_to_bf() {
var isSimpleHoho = document.getElementById("simple_hoho").checked;
var hofield = document.getElementById("hohoho_code");
var bffield = document.getElementById("brainfuck_code");
var hocode = hofield.value;
hocode = hocode.replace(/[^a-zA-Z]/g, ""); //Remove special characters
if (isSimpleHoho) {
hocode = hocode.replace(/(\w{4})/g, '$1 ').replace(/(^\s+|\s+$)/,''); //Space after each set of 4 characters
var bfcode = hocode.replace(/hoHo/g, "+");
bfcode = bfcode.replace(/Hoho/g, "-");
bfcode = bfcode.replace(/HoHo/g, ">");
bfcode = bfcode.replace(/hoho/g, ".");
bfcode = bfcode.replace(/[\s]/g, ""); //Remove whitespaces
}
else {
hocode = hocode.replace(/(\w{6})/g, '$1 ').replace(/(^\s+|\s+$)/,''); //Space after each set of 6 characters
var bfcode = hocode.replace(/HoHoHo/g, "+");
bfcode = bfcode.replace(/hohoho/g, "-");
bfcode = bfcode.replace(/HoHoho/g, ">");
bfcode = bfcode.replace(/hoHoHo/g, "<");
bfcode = bfcode.replace(/Hohoho/g, "[");
bfcode = bfcode.replace(/hohoHo/g, "]");
bfcode = bfcode.replace(/hoHoho/g, ".");
bfcode = bfcode.replace(/HohoHo/g, ",");
bfcode = bfcode.replace(/[\s]/g, ""); //Remove whitespaces
}
bffield.value = bfcode;
}
function bf_to_ho() {
var isSimpleHoho = document.getElementById("simple_hoho").checked;
var hofield = document.getElementById("hohoho_code");
var bffield = document.getElementById("brainfuck_code");
var bfcode = bffield.value;
bfcode = bfcode.replace(/[a-zA-Z ]/g, ""); //Remove nonspecial characters
if (isSimpleHoho) {
bfcode = bfcode.replace(/[\<\[\]\,]/g, ""); //Remove unsupported characters
var hocode = bfcode.replace(/\+/g, "hoHo");
hocode = hocode.replace(/\-/g, "Hoho");
hocode = hocode.replace(/\>/g, "HoHo");
hocode = hocode.replace(/\./g, "hoho");
hocode = hocode.replace(/(H[oOh]*)/g, '$1! ').replace(/(^\s+|\s+$)/,''); //Group into Hohoho groups startinh with capital letter
}
else {
var hocode = bfcode.replace(/\+/g, "HoHoHo");
hocode = hocode.replace(/\-/g, "hohoho");
hocode = hocode.replace(/\>/g, "HoHoho");
hocode = hocode.replace(/\</g, "hoHoHo");
hocode = hocode.replace(/\[/g, "Hohoho");
hocode = hocode.replace(/\]/g, "hohoHo");
hocode = hocode.replace(/\./g, "hoHoho");
hocode = hocode.replace(/\,/g, "HohoHo");
hocode = hocode.replace(/(H[oOh]*)/g, '$1! ').replace(/(^\s+|\s+$)/,''); //Group into Hohoho groups startinh with capital letter
}
hofield.value = hocode;
}
</script>
<script src="js/main.js"></script>
</body>
</html>

105
js/main.js Normal file
View file

@ -0,0 +1,105 @@
function ho() {
ho_to_bf();
interpret();
}
function bf() {
bf_to_ho();
interpret();
}
function txt() {
tobf();
}
function ho_to_bf() {
var isSimpleHoho = document.getElementById("simple_hoho").checked;
var hofield = document.getElementById("hohoho_code");
var bffield = document.getElementById("brainfuck_code");
var hocode = hofield.value;
hocode = hocode.replace(/[^a-zA-Z]/g, ""); //Remove special characters
if (isSimpleHoho) {
hocode = hocode.replace(/(\w{4})/g, '$1 ').replace(/(^\s+|\s+$)/, ''); //Space after each set of 4 characters
var bfcode = hocode.replace(/hoHo/g, "+");
bfcode = bfcode.replace(/Hoho/g, "-");
bfcode = bfcode.replace(/HoHo/g, ">");
bfcode = bfcode.replace(/hoho/g, ".");
bfcode = bfcode.replace(/[\s]/g, ""); //Remove whitespaces
} else {
hocode = hocode.replace(/(\w{6})/g, '$1 ').replace(/(^\s+|\s+$)/, ''); //Space after each set of 6 characters
var bfcode = hocode.replace(/HoHoHo/g, "+");
bfcode = bfcode.replace(/hohoho/g, "-");
bfcode = bfcode.replace(/HoHoho/g, ">");
bfcode = bfcode.replace(/hoHoHo/g, "<");
bfcode = bfcode.replace(/Hohoho/g, "[");
bfcode = bfcode.replace(/hohoHo/g, "]");
bfcode = bfcode.replace(/hoHoho/g, ".");
bfcode = bfcode.replace(/HohoHo/g, ",");
bfcode = bfcode.replace(/[\s]/g, ""); //Remove whitespaces
}
bffield.value = bfcode;
}
function bf_to_ho() {
var isSimpleHoho = document.getElementById("simple_hoho").checked;
var hofield = document.getElementById("hohoho_code");
var bffield = document.getElementById("brainfuck_code");
var bfcode = bffield.value;
bfcode = bfcode.replace(/[a-zA-Z ]/g, ""); //Remove nonspecial characters
if (isSimpleHoho) {
bfcode = bfcode.replace(/[\<\[\]\,]/g, ""); //Remove unsupported characters
var hocode = bfcode.replace(/\+/g, "hoHo");
hocode = hocode.replace(/\-/g, "Hoho");
hocode = hocode.replace(/\>/g, "HoHo");
hocode = hocode.replace(/\./g, "hoho");
hocode = hocode.replace(/(H[oOh]*)/g, '$1! ').replace(/(^\s+|\s+$)/, ''); //Group into Hohoho groups starting with capital letter
} else {
var hocode = bfcode.replace(/\+/g, "HoHoHo");
hocode = hocode.replace(/\-/g, "hohoho");
hocode = hocode.replace(/\>/g, "HoHoho");
hocode = hocode.replace(/\</g, "hoHoHo");
hocode = hocode.replace(/\[/g, "Hohoho");
hocode = hocode.replace(/\]/g, "hohoHo");
hocode = hocode.replace(/\./g, "hoHoho");
hocode = hocode.replace(/\,/g, "HohoHo");
hocode = hocode.replace(/(H[oOh]*)/g, '$1! ').replace(/(^\s+|\s+$)/, ''); //Group into Hohoho groups starting with capital letter
}
hofield.value = hocode;
}
function interpret() {
const instr = document.getElementById("brainfuck_code").value.replace(/\+/g, "%2B"); //necessary for encoding
const options = {
method: 'POST',
body: `func=interpret&instr=${instr}`,
headers: {
'Content-Type': 'application/x-www-form-urlencoded'
}
}
fetch('https://dev.jakobsenkl.pw/hohoho/api.php', options)
.then(res => res.text())
.then(res => (document.getElementById("text_code").value = res))
.catch(err => console.error(err));
}
function tobf() {
const options = {
method: 'POST',
body: `func=tobf&instr=${document.getElementById("text_code").value}`,
headers: {
'Content-Type': 'application/x-www-form-urlencoded'
}
}
let promise = fetch('https://dev.jakobsenkl.pw/hohoho/api.php', options)
.then(res => res.text())
.then(res => (document.getElementById("brainfuck_code").value = res))
.catch(err => console.error(err));
promise.then(
function (value) {
bf_to_ho();
},
);
}