mirror of
https://github.com/Sarjuuk/aowow.git
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40b5c992e2
* make time formatting js compatible * add auto-discovery for rss feeds * fix typos * define more magic numbers
356 lines
11 KiB
PHP
356 lines
11 KiB
PHP
<?php
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namespace Aowow;
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if (!defined('AOWOW_REVISION'))
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die('illegal access');
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abstract class CLI
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{
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private const CHR_BELL = 7;
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private const CHR_BACK = 8;
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private const CHR_TAB = 9;
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private const CHR_LF = 10;
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private const CHR_CR = 13;
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private const CHR_ESC = 27;
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private const CHR_BACKSPACE = 127;
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public const LOG_NONE = -1;
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public const LOG_BLANK = 0;
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public const LOG_ERROR = LOG_LEVEL_ERROR;
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public const LOG_WARN = LOG_LEVEL_WARN;
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public const LOG_INFO = LOG_LEVEL_INFO;
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public const LOG_OK = 4;
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private static $logHandle = null;
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private static $hasReadline = null;
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private static $overwriteLast = false;
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/********************/
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/* formatted output */
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/********************/
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public static function writeTable(array $out, bool $timestamp = false, bool $headless = false) : void
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{
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if (!$out)
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return;
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$pads = [];
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$nCols = 0;
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foreach ($out as $i => $row)
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{
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if (!is_array($out[0]))
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{
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unset($out[$i]);
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continue;
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}
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$nCols = max($nCols, count($row));
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for ($j = 0; $j < $nCols; $j++)
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$pads[$j] = max($pads[$j] ?? 0, mb_strlen(self::purgeEscapes($row[$j] ?? '')));
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}
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foreach ($out as $i => $row)
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{
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for ($j = 0; $j < $nCols; $j++)
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{
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if (!isset($row[$j]))
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break;
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$len = ($pads[$j] - mb_strlen(self::purgeEscapes($row[$j])));
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for ($k = 0; $k < $len; $k++) // can't use str_pad(). it counts invisible chars.
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$row[$j] .= ' ';
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}
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if ($i || $headless)
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self::write(' '.implode(' ' . self::tblDelim(' ') . ' ', $row), self::LOG_NONE, $timestamp);
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else
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self::write(self::tblHead(' '.implode(' ', $row)), self::LOG_NONE, $timestamp);
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}
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if (!$headless)
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self::write(self::tblHead(str_pad('', array_sum($pads) + count($pads) * 3 - 2)), self::LOG_NONE, $timestamp);
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self::write();
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}
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/***********/
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/* logging */
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/***********/
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public static function initLogFile(string $file = '') : void
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{
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if (!$file)
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return;
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$file = self::nicePath($file);
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if (!file_exists($file))
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self::$logHandle = fopen($file, 'w');
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else
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{
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$logFileParts = pathinfo($file);
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$i = 1;
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while (file_exists($logFileParts['dirname'].'/'.$logFileParts['filename'].$i.(isset($logFileParts['extension']) ? '.'.$logFileParts['extension'] : '')))
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$i++;
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$file = $logFileParts['dirname'].'/'.$logFileParts['filename'].$i.(isset($logFileParts['extension']) ? '.'.$logFileParts['extension'] : '');
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self::$logHandle = fopen($file, 'w');
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}
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}
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private static function tblHead(string $str) : string
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{
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return CLI_HAS_E ? "\e[1;48;5;236m".$str."\e[0m" : $str;
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}
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private static function tblDelim(string $str) : string
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{
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return CLI_HAS_E ? "\e[48;5;236m".$str."\e[0m" : $str;
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}
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public static function grey(string $str) : string
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{
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return CLI_HAS_E ? "\e[90m".$str."\e[0m" : $str;
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}
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public static function red(string $str) : string
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{
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return CLI_HAS_E ? "\e[31m".$str."\e[0m" : $str;
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}
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public static function green(string $str) : string
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{
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return CLI_HAS_E ? "\e[32m".$str."\e[0m" : $str;
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}
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public static function yellow(string $str) : string
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{
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return CLI_HAS_E ? "\e[33m".$str."\e[0m" : $str;
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}
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public static function blue(string $str) : string
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{
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return CLI_HAS_E ? "\e[36m".$str."\e[0m" : $str;
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}
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public static function bold(string $str) : string
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{
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return CLI_HAS_E ? "\e[1m".$str."\e[0m" : $str;
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}
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public static function write(string $txt = '', int $lvl = self::LOG_BLANK, bool $timestamp = true, bool $tmpRow = false) : void
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{
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$msg = '';
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if ($txt)
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{
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if ($timestamp)
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$msg = str_pad(date('H:i:s'), 10);
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switch ($lvl)
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{
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case self::LOG_ERROR: // red critical error
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$msg .= '['.self::red('ERR').'] ';
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break;
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case self::LOG_WARN: // yellow notice
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$msg .= '['.self::yellow('WARN').'] ';
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break;
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case self::LOG_OK: // green success
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$msg .= '['.self::green('OK').'] ';
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break;
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case self::LOG_INFO: // blue info
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$msg .= '['.self::blue('INFO').'] ';
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break;
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case self::LOG_BLANK:
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$msg .= ' ';
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break;
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}
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$msg .= $txt;
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}
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// https://shiroyasha.svbtle.com/escape-sequences-a-quick-guide-1#movement_1
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$msg = (self::$overwriteLast && CLI_HAS_E ? "\e[1G\e[0K" : "\n") . $msg;
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self::$overwriteLast = $tmpRow;
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fwrite($lvl == self::LOG_ERROR ? STDERR : STDOUT, $msg);
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if (self::$logHandle) // remove control sequences from log
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fwrite(self::$logHandle, self::purgeEscapes($msg));
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flush();
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}
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private static function purgeEscapes(string $msg) : string
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{
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return preg_replace(["/\e\[[\d;]+[mK]/", "/\e\[\d+G/"], ['', "\n"], $msg);
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}
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public static function nicePath(string $fileOrPath, string ...$pathParts) : string
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{
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$path = '';
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if ($pathParts)
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{
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foreach ($pathParts as &$pp)
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$pp = trim($pp);
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$path .= implode(DIRECTORY_SEPARATOR, $pathParts);
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}
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$path .= ($path ? DIRECTORY_SEPARATOR : '').trim($fileOrPath);
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// remove double quotes (from erroneous user input), single quotes are
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// valid chars for filenames and removing those mutilates several wow icons
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$path = str_replace('"', '', $path);
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if (!$path) // empty strings given. (faulty dbc data?)
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return '';
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if (DIRECTORY_SEPARATOR == '/') // *nix
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{
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$path = str_replace('\\', '/', $path);
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$path = preg_replace('/\/+/i', '/', $path);
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}
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else if (DIRECTORY_SEPARATOR == '\\') // win
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{
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$path = str_replace('/', '\\', $path);
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$path = preg_replace('/\\\\+/i', '\\', $path);
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}
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else
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self::write('Dafuq! Your directory separator is "'.DIRECTORY_SEPARATOR.'". Please report this!', self::LOG_ERROR);
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// resolve *nix home shorthand
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if (!OS_WIN)
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{
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if (preg_match('/^~(\w+)\/.*/i', $path, $m))
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$path = '/home/'.substr($path, 1);
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else if (substr($path, 0, 2) == '~/')
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$path = getenv('HOME').substr($path, 1);
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else if ($path[0] == DIRECTORY_SEPARATOR && substr($path, 0, 6) != '/home/')
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$path = substr($path, 1);
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}
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return $path;
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}
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/**************/
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/* read input */
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/**************/
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/*
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since the CLI on WIN ist not interactive, the following things have to be considered
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you do not receive keystrokes but whole strings upon pressing <Enter> (wich also appends a \r)
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as such <ESC> and probably other control chars can not be registered
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this also means, you can't hide input at all, least process it
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*/
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public static function read(array $fields, ?array &$userInput = []) : bool
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{
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// first time set
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if (self::$hasReadline === null)
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self::$hasReadline = function_exists('readline_callback_handler_install');
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// prevent default output if able
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if (self::$hasReadline)
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readline_callback_handler_install('', function() { });
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if (!STDIN)
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return false;
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stream_set_blocking(STDIN, false);
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// pad default values onto $fields
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array_walk($fields, function(&$val, $_, $pad) { $val += $pad; }, ['', false, false, '']);
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foreach ($fields as $name => [$desc, $isHidden, $singleChar, $validPattern])
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{
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$charBuff = '';
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if ($desc)
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fwrite(STDOUT, "\n".$desc.": ");
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while (true) {
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if (feof(STDIN))
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return false;
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$r = [STDIN];
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$w = $e = null;
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$n = stream_select($r, $w, $e, 200000);
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if (!$n || !in_array(STDIN, $r))
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continue;
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// stream_get_contents is always blocking under WIN - fgets should work similary as php always receives a terminated line of text
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$chars = str_split(OS_WIN ? fgets(STDIN) : stream_get_contents(STDIN));
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$ordinals = array_map('ord', $chars);
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if ($ordinals[0] == self::CHR_ESC)
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{
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if (count($ordinals) == 1)
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{
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fwrite(STDOUT, chr(self::CHR_BELL));
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return false;
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}
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else
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continue;
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}
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foreach ($chars as $idx => $char)
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{
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$keyId = $ordinals[$idx];
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// skip char if horizontal tab or \r if followed by \n
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if ($keyId == self::CHR_TAB || ($keyId == self::CHR_CR && ($ordinals[$idx + 1] ?? '') == self::CHR_LF))
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continue;
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if ($keyId == self::CHR_BACKSPACE)
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{
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if (!$charBuff)
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continue 2;
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$charBuff = mb_substr($charBuff, 0, -1);
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if (!$isHidden && self::$hasReadline)
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fwrite(STDOUT, chr(self::CHR_BACK)." ".chr(self::CHR_BACK));
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}
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// standalone \n or \r
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else if ($keyId == self::CHR_LF || $keyId == self::CHR_CR)
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{
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$userInput[$name] = $charBuff;
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break 2;
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}
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else if (!$validPattern || preg_match($validPattern, $char))
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{
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$charBuff .= $char;
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if (!$isHidden && self::$hasReadline)
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fwrite(STDOUT, $char);
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if ($singleChar && self::$hasReadline)
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{
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$userInput[$name] = $charBuff;
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break 2;
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}
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}
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}
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}
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}
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fwrite(STDOUT, chr(self::CHR_BELL));
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foreach ($userInput as $ui)
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if (strlen($ui))
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return true;
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$userInput = null;
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return true;
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}
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}
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?>
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