EVOLUTION-MANAGER
Edit File: ANSI.php
<?php /** * Pure-PHP ANSI Decoder * * PHP version 5 * * If you call read() in \phpseclib\Net\SSH2 you may get {@link http://en.wikipedia.org/wiki/ANSI_escape_code ANSI escape codes} back. * They'd look like chr(0x1B) . '[00m' or whatever (0x1B = ESC). They tell a * {@link http://en.wikipedia.org/wiki/Terminal_emulator terminal emulator} how to format the characters, what * color to display them in, etc. \phpseclib\File\ANSI is a {@link http://en.wikipedia.org/wiki/VT100 VT100} terminal emulator. * * @category File * @package ANSI * @author Jim Wigginton <terrafrost@php.net> * @copyright 2012 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ namespace phpseclib\File; defined("ABSPATH") or die(""); /** * Pure-PHP ANSI Decoder * * @package ANSI * @author Jim Wigginton <terrafrost@php.net> * @access public */ class ANSI { /** * Max Width * * @var Integer * @access private */ var $max_x; /** * Max Height * * @var Integer * @access private */ var $max_y; /** * Max History * * @var Integer * @access private */ var $max_history; /** * History * * @var Array * @access private */ var $history; /** * History Attributes * * @var Array * @access private */ var $history_attrs; /** * Current Column * * @var Integer * @access private */ var $x; /** * Current Row * * @var Integer * @access private */ var $y; /** * Old Column * * @var Integer * @access private */ var $old_x; /** * Old Row * * @var Integer * @access private */ var $old_y; /** * An empty attribute cell * * @var Object * @access private */ var $base_attr_cell; /** * The current attribute cell * * @var Object * @access private */ var $attr_cell; /** * An empty attribute row * * @var Array * @access private */ var $attr_row; /** * The current screen text * * @var Array * @access private */ var $screen; /** * The current screen attributes * * @var Array * @access private */ var $attrs; /** * Current ANSI code * * @var String * @access private */ var $ansi; /** * Tokenization * * @var Array * @access private */ var $tokenization; /** * Default Constructor. * * @return \phpseclib\File\ANSI * @access public */ function __construct() { $attr_cell = new \stdClass(); $attr_cell->bold = false; $attr_cell->underline = false; $attr_cell->blink = false; $attr_cell->background = 'black'; $attr_cell->foreground = 'white'; $attr_cell->reverse = false; $this->base_attr_cell = clone $attr_cell; $this->attr_cell = clone $attr_cell; $this->setHistory(200); $this->setDimensions(80, 24); } /** * Set terminal width and height * * Resets the screen as well * * @param Integer $x * @param Integer $y * @access public */ function setDimensions($x, $y) { $this->max_x = $x - 1; $this->max_y = $y - 1; $this->x = $this->y = 0; $this->history = $this->history_attrs = array(); $this->attr_row = array_fill(0, $this->max_x + 2, $this->base_attr_cell); $this->screen = array_fill(0, $this->max_y + 1, ''); $this->attrs = array_fill(0, $this->max_y + 1, $this->attr_row); $this->ansi = ''; } /** * Set the number of lines that should be logged past the terminal height * * @param Integer $x * @param Integer $y * @access public */ function setHistory($history) { $this->max_history = $history; } /** * Load a string * * @param String $source * @access public */ function loadString($source) { $this->setDimensions($this->max_x + 1, $this->max_y + 1); $this->appendString($source); } /** * Appdend a string * * @param String $source * @access public */ function appendString($source) { $this->tokenization = array(''); for ($i = 0; $i < strlen($source); $i++) { if (strlen($this->ansi)) { $this->ansi.= $source[$i]; $chr = ord($source[$i]); // http://en.wikipedia.org/wiki/ANSI_escape_code#Sequence_elements // single character CSI's not currently supported switch (true) { case $this->ansi == "\x1B=": $this->ansi = ''; continue 2; case strlen($this->ansi) == 2 && $chr >= 64 && $chr <= 95 && $chr != ord('['): case strlen($this->ansi) > 2 && $chr >= 64 && $chr <= 126: break; default: continue 2; } $this->tokenization[] = $this->ansi; $this->tokenization[] = ''; // http://ascii-table.com/ansi-escape-sequences-vt-100.php switch ($this->ansi) { case "\x1B[H": // Move cursor to upper left corner $this->old_x = $this->x; $this->old_y = $this->y; $this->x = $this->y = 0; break; case "\x1B[J": // Clear screen from cursor down $this->history = array_merge($this->history, array_slice(array_splice($this->screen, $this->y + 1), 0, $this->old_y)); $this->screen = array_merge($this->screen, array_fill($this->y, $this->max_y, '')); $this->history_attrs = array_merge($this->history_attrs, array_slice(array_splice($this->attrs, $this->y + 1), 0, $this->old_y)); $this->attrs = array_merge($this->attrs, array_fill($this->y, $this->max_y, $this->attr_row)); if (count($this->history) == $this->max_history) { array_shift($this->history); array_shift($this->history_attrs); } case "\x1B[K": // Clear screen from cursor right $this->screen[$this->y] = substr($this->screen[$this->y], 0, $this->x); array_splice($this->attrs[$this->y], $this->x + 1, $this->max_x - $this->x, array_fill($this->x, $this->max_x - $this->x - 1, $this->base_attr_cell)); break; case "\x1B[2K": // Clear entire line $this->screen[$this->y] = str_repeat(' ', $this->x); $this->attrs[$this->y] = $this->attr_row; break; case "\x1B[?1h": // set cursor key to application case "\x1B[?25h": // show the cursor case "\x1B(B": // set united states g0 character set break; case "\x1BE": // Move to next line $this->_newLine(); $this->x = 0; break; default: switch (true) { case preg_match('#\x1B\[(\d+)B#', $this->ansi, $match): // Move cursor down n lines $this->old_y = $this->y; $this->y+= $match[1]; break; case preg_match('#\x1B\[(\d+);(\d+)H#', $this->ansi, $match): // Move cursor to screen location v,h $this->old_x = $this->x; $this->old_y = $this->y; $this->x = $match[2] - 1; $this->y = $match[1] - 1; break; case preg_match('#\x1B\[(\d+)C#', $this->ansi, $match): // Move cursor right n lines $this->old_x = $this->x; $this->x+= $match[1]; break; case preg_match('#\x1B\[(\d+)D#', $this->ansi, $match): // Move cursor left n lines $this->old_x = $this->x; $this->x-= $match[1]; break; case preg_match('#\x1B\[(\d+);(\d+)r#', $this->ansi, $match): // Set top and bottom lines of a window break; case preg_match('#\x1B\[(\d*(?:;\d*)*)m#', $this->ansi, $match): // character attributes $attr_cell = &$this->attr_cell; $mods = explode(';', $match[1]); foreach ($mods as $mod) { switch ($mod) { case 0: // Turn off character attributes $attr_cell = clone $this->base_attr_cell; break; case 1: // Turn bold mode on $attr_cell->bold = true; break; case 4: // Turn underline mode on $attr_cell->underline = true; break; case 5: // Turn blinking mode on $attr_cell->blink = true; break; case 7: // Turn reverse video on $attr_cell->reverse = !$attr_cell->reverse; $temp = $attr_cell->background; $attr_cell->background = $attr_cell->foreground; $attr_cell->foreground = $temp; break; default: // set colors //$front = $attr_cell->reverse ? &$attr_cell->background : &$attr_cell->foreground; $front = &$attr_cell->{ $attr_cell->reverse ? 'background' : 'foreground' }; //$back = $attr_cell->reverse ? &$attr_cell->foreground : &$attr_cell->background; $back = &$attr_cell->{ $attr_cell->reverse ? 'foreground' : 'background' }; switch ($mod) { // @codingStandardsIgnoreStart case 30: $front = 'black'; break; case 31: $front = 'red'; break; case 32: $front = 'green'; break; case 33: $front = 'yellow'; break; case 34: $front = 'blue'; break; case 35: $front = 'magenta'; break; case 36: $front = 'cyan'; break; case 37: $front = 'white'; break; case 40: $back = 'black'; break; case 41: $back = 'red'; break; case 42: $back = 'green'; break; case 43: $back = 'yellow'; break; case 44: $back = 'blue'; break; case 45: $back = 'magenta'; break; case 46: $back = 'cyan'; break; case 47: $back = 'white'; break; // @codingStandardsIgnoreEnd default: //user_error('Unsupported attribute: ' . $mod); $this->ansi = ''; break 2; } } } break; default: //user_error("{$this->ansi} is unsupported\r\n"); } } $this->ansi = ''; continue; } $this->tokenization[count($this->tokenization) - 1].= $source[$i]; switch ($source[$i]) { case "\r": $this->x = 0; break; case "\n": $this->_newLine(); break; case "\x08": // backspace if ($this->x) { $this->x--; $this->attrs[$this->y][$this->x] = clone $this->base_attr_cell; $this->screen[$this->y] = substr_replace( $this->screen[$this->y], $source[$i], $this->x, 1 ); } break; case "\x0F": // shift break; case "\x1B": // start ANSI escape code $this->tokenization[count($this->tokenization) - 1] = substr($this->tokenization[count($this->tokenization) - 1], 0, -1); //if (!strlen($this->tokenization[count($this->tokenization) - 1])) { // array_pop($this->tokenization); //} $this->ansi.= "\x1B"; break; default: $this->attrs[$this->y][$this->x] = clone $this->attr_cell; if ($this->x > strlen($this->screen[$this->y])) { $this->screen[$this->y] = str_repeat(' ', $this->x); } $this->screen[$this->y] = substr_replace( $this->screen[$this->y], $source[$i], $this->x, 1 ); if ($this->x > $this->max_x) { $this->x = 0; $this->y++; } else { $this->x++; } } } } /** * Add a new line * * Also update the $this->screen and $this->history buffers * * @access private */ function _newLine() { //if ($this->y < $this->max_y) { // $this->y++; //} while ($this->y >= $this->max_y) { $this->history = array_merge($this->history, array(array_shift($this->screen))); $this->screen[] = ''; $this->history_attrs = array_merge($this->history_attrs, array(array_shift($this->attrs))); $this->attrs[] = $this->attr_row; if (count($this->history) >= $this->max_history) { array_shift($this->history); array_shift($this->history_attrs); } $this->y--; } $this->y++; } /** * Returns the current coordinate without preformating * * @access private * @return String */ function _processCoordinate($last_attr, $cur_attr, $char) { $output = ''; if ($last_attr != $cur_attr) { $close = $open = ''; if ($last_attr->foreground != $cur_attr->foreground) { if ($cur_attr->foreground != 'white') { $open.= '<span style="color: ' . $cur_attr->foreground . '">'; } if ($last_attr->foreground != 'white') { $close = '</span>' . $close; } } if ($last_attr->background != $cur_attr->background) { if ($cur_attr->background != 'black') { $open.= '<span style="background: ' . $cur_attr->background . '">'; } if ($last_attr->background != 'black') { $close = '</span>' . $close; } } if ($last_attr->bold != $cur_attr->bold) { if ($cur_attr->bold) { $open.= '<b>'; } else { $close = '</b>' . $close; } } if ($last_attr->underline != $cur_attr->underline) { if ($cur_attr->underline) { $open.= '<u>'; } else { $close = '</u>' . $close; } } if ($last_attr->blink != $cur_attr->blink) { if ($cur_attr->blink) { $open.= '<blink>'; } else { $close = '</blink>' . $close; } } $output.= $close . $open; } $output.= htmlspecialchars($char); return $output; } /** * Returns the current screen without preformating * * @access private * @return String */ function _getScreen() { $output = ''; $last_attr = $this->base_attr_cell; for ($i = 0; $i <= $this->max_y; $i++) { for ($j = 0; $j <= $this->max_x; $j++) { $cur_attr = $this->attrs[$i][$j]; $output.= $this->_processCoordinate($last_attr, $cur_attr, isset($this->screen[$i][$j]) ? $this->screen[$i][$j] : ''); $last_attr = $this->attrs[$i][$j]; } $output.= "\r\n"; } $output = substr($output, 0, -2); // close any remaining open tags $output.= $this->_processCoordinate($last_attr, $this->base_attr_cell, ''); return rtrim($output); } /** * Returns the current screen * * @access public * @return String */ function getScreen() { return '<pre width="' . ($this->max_x + 1) . '" style="color: white; background: black">' . $this->_getScreen() . '</pre>'; } /** * Returns the current screen and the x previous lines * * @access public * @return String */ function getHistory() { $scrollback = ''; $last_attr = $this->base_attr_cell; for ($i = 0; $i < count($this->history); $i++) { for ($j = 0; $j <= $this->max_x + 1; $j++) { $cur_attr = $this->history_attrs[$i][$j]; $scrollback.= $this->_processCoordinate($last_attr, $cur_attr, isset($this->history[$i][$j]) ? $this->history[$i][$j] : ''); $last_attr = $this->history_attrs[$i][$j]; } $scrollback.= "\r\n"; } $base_attr_cell = $this->base_attr_cell; $this->base_attr_cell = $last_attr; $scrollback.= $this->_getScreen(); $this->base_attr_cell = $base_attr_cell; return '<pre width="' . ($this->max_x + 1) . '" style="color: white; background: black">' . $scrollback . '</span></pre>'; } }