diff options
Diffstat (limited to 'platform/www/vendor/phpseclib/phpseclib/phpseclib/File/ANSI.php')
| -rw-r--r-- | platform/www/vendor/phpseclib/phpseclib/phpseclib/File/ANSI.php | 577 |
1 files changed, 577 insertions, 0 deletions
diff --git a/platform/www/vendor/phpseclib/phpseclib/phpseclib/File/ANSI.php b/platform/www/vendor/phpseclib/phpseclib/phpseclib/File/ANSI.php new file mode 100644 index 0000000..5ff1f2e --- /dev/null +++ b/platform/www/vendor/phpseclib/phpseclib/phpseclib/File/ANSI.php @@ -0,0 +1,577 @@ +<?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; + +/** + * Pure-PHP ANSI Decoder + * + * @package ANSI + * @author Jim Wigginton <terrafrost@php.net> + * @access public + */ +class ANSI +{ + /** + * Max Width + * + * @var int + * @access private + */ + var $max_x; + + /** + * Max Height + * + * @var int + * @access private + */ + var $max_y; + + /** + * Max History + * + * @var int + * @access private + */ + var $max_history; + + /** + * History + * + * @var array + * @access private + */ + var $history; + + /** + * History Attributes + * + * @var array + * @access private + */ + var $history_attrs; + + /** + * Current Column + * + * @var int + * @access private + */ + var $x; + + /** + * Current Row + * + * @var int + * @access private + */ + var $y; + + /** + * Old Column + * + * @var int + * @access private + */ + var $old_x; + + /** + * Old Row + * + * @var int + * @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 int $x + * @param int $y + * @access public + */ + function setDimensions($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 int $x + * @param int $y + * @access public + */ + function setHistory($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-= $match[1]; + if ($this->x < 0) { + $this->x = 0; + } + 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->_newLine(); + } 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>'; + } +} |