From 9e3e0ffe39f6599002d3701f116a9ed2e15df088 Mon Sep 17 00:00:00 2001 From: fyr77 Date: Mon, 7 Dec 2020 15:57:57 +0100 Subject: [PATCH] add a lot of new stuff --- README.md | 3 +- api/LICENSE_BF_API | 340 +++++++++++++++++++++++++++++++++++++++++++++ api/README.md | 7 + api/api.php | 20 +++ api/brainfuck.php | 139 ++++++++++++++++++ api/index.html | 33 +++++ api/util.php | 132 ++++++++++++++++++ index.html | 84 ++--------- js/main.js | 105 ++++++++++++++ 9 files changed, 792 insertions(+), 71 deletions(-) create mode 100644 api/LICENSE_BF_API create mode 100644 api/README.md create mode 100644 api/api.php create mode 100644 api/brainfuck.php create mode 100644 api/index.html create mode 100644 api/util.php create mode 100644 js/main.js diff --git a/README.md b/README.md index 31fc75d..9ffbe71 100644 --- a/README.md +++ b/README.md @@ -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! \ No newline at end of file +- P. Reichl and S. Claus for HoHoHo! +- Andreas Gohr (splitbrain) for the [PHP Brainfuck interpreter](https://github.com/splitbrain/ook) \ No newline at end of file diff --git a/api/LICENSE_BF_API b/api/LICENSE_BF_API new file mode 100644 index 0000000..dcfa4c2 --- /dev/null +++ b/api/LICENSE_BF_API @@ -0,0 +1,340 @@ + 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 + + The licenses for most software are designed to take away your +freedom to share and change it. By contrast, the GNU General Public +License is intended to guarantee your freedom to share and change free +software--to make sure the software is free for all its users. This +General Public License applies to most of the Free Software +Foundation's software and to any other program whose authors commit to +using it. (Some other Free Software Foundation software is covered by +the GNU Library General Public License instead.) You can apply it to +your programs, too. + + When we speak of free software, we are referring to freedom, not +price. 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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 +when it starts in an interactive mode: + + 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 + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, the commands you use may +be called something other than `show w' and `show c'; they could even be +mouse-clicks or menu items--whatever suits your program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + , 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. diff --git a/api/README.md b/api/README.md new file mode 100644 index 0000000..4fd2f6f --- /dev/null +++ b/api/README.md @@ -0,0 +1,7 @@ +# 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. \ No newline at end of file diff --git a/api/api.php b/api/api.php new file mode 100644 index 0000000..00260ea --- /dev/null +++ b/api/api.php @@ -0,0 +1,20 @@ + \ No newline at end of file diff --git a/api/brainfuck.php b/api/brainfuck.php new file mode 100644 index 0000000..735f439 --- /dev/null +++ b/api/brainfuck.php @@ -0,0 +1,139 @@ +\n"; + echo "PositionValueASCII\n"; + + foreach($d as $element => $value) { + echo "\n"; + echo "" . $element . "\n"; + echo "" . ord($value) . "\n"; + echo "" . (ord($value) >= 32 ? htmlentities($value) : " ") . "\n"; + echo "\n"; + } + + echo "\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; +} + +?> \ No newline at end of file diff --git a/api/index.html b/api/index.html new file mode 100644 index 0000000..9b5920d --- /dev/null +++ b/api/index.html @@ -0,0 +1,33 @@ + + + + + + test + + + + + + + + + + + \ No newline at end of file diff --git a/api/util.php b/api/util.php new file mode 100644 index 0000000..18517ca --- /dev/null +++ b/api/util.php @@ -0,0 +1,132 @@ +[-]<<" 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]); +} + +?> \ No newline at end of file diff --git a/index.html b/index.html index 267f1e2..eb4b04d 100644 --- a/index.html +++ b/index.html @@ -24,20 +24,22 @@

HoHoHo! / Brainfuck converter

-
-

HoHoHo!

-

-
-
-

Brainfuck

-

+
+
+

+

+
+
+

+

+
+
+

+

+

- -
- -

@@ -51,64 +53,6 @@

There is also a simplified, less Turing-complete version called "Simple Hoho".

All details regarding HoHoHo! can be found in the corresponding paper.

- + \ No newline at end of file diff --git a/js/main.js b/js/main.js new file mode 100644 index 0000000..e5b79c6 --- /dev/null +++ b/js/main.js @@ -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(/\ 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(); + }, + ); +}