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Commit 9f062332 by Carsten Brandt
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first draft of ANSI control sequence implementation

Moving cursors, clear page and line, hide/show cursor implementation is mostly complete. Need to rework color api now. sources: http://en.wikipedia.org/wiki/ANSI_escape_code#CSI_codes https://github.com/pear/Console_Color2/blob/master/Console/Color2.php
parent 95b18d55
Showing with 346 additions and 0 deletions
framework/console/Controller.php
......@@ -24,10 +24,42 @@ use yii\base\Exception;
* ~~~
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @author Carsten Brandt <mail@cebe.cc>
* @since 2.0
*/
class Controller extends \yii\base\Controller
{
const FG_COLOR_BLACK = 30;
const FG_COLOR_RED = 31;
const FG_COLOR_GREEN = 32;
const FG_COLOR_YELLOW = 33;
const FG_COLOR_BLUE = 34;
const FG_COLOR_PURPLE = 35;
const FG_COLOR_CYAN = 36;
const FG_COLOR_GREY = 37;
const BG_COLOR_BLACK = 40;
const BG_COLOR_RED = 41;
const BG_COLOR_GREEN = 42;
const BG_COLOR_YELLOW = 43;
const BG_COLOR_BLUE = 44;
const BG_COLOR_PURPLE = 45;
const BG_COLOR_CYAN = 46;
const BG_COLOR_GREY = 47;
const TEXT_BOLD = 1;
const TEXT_ITALIC = 3;
const TEXT_UNDERLINE = 4;
const TEXT_BLINK = 5;
const TEXT_NEGATIVE = 7;
const TEXT_CONCEALED = 8;
const TEXT_CROSSED_OUT = 9;
const TEXT_FRAMED = 51;
const TEXT_ENCIRCLED = 52;
const TEXT_OVERLINED = 53;
public $color = null;
/**
* This method is invoked when the request parameters do not satisfy the requirement of the specified action.
* The default implementation will throw an exception.
......@@ -112,4 +144,317 @@ class Controller extends \yii\base\Controller
$input = trim(fgets(STDIN));
return empty($input) ? $default : !strncasecmp($input, 'y', 1);
}
/**
* Moves the terminal cursor up by sending ANSI code CUU to the terminal.
* If the cursor is already at the edge of the screen, this has no effect.
* @param integer $rows number of rows the cursor should be moved up
*/
public function moveCursorUp($rows=1)
{
echo "\033[" . (int) $rows . 'A';
}
/**
* Moves the terminal cursor down by sending ANSI code CUD to the terminal.
* If the cursor is already at the edge of the screen, this has no effect.
* @param integer $rows number of rows the cursor should be moved down
*/
public function moveCursorDown($rows=1)
{
echo "\033[" . (int) $rows . 'B';
}
/**
* Moves the terminal cursor forward by sending ANSI code CUF to the terminal.
* If the cursor is already at the edge of the screen, this has no effect.
* @param integer $steps number of steps the cursor should be moved forward
*/
public function moveCursorForward($steps=1)
{
echo "\033[" . (int) $steps . 'C';
}
/**
* Moves the terminal cursor backward by sending ANSI code CUB to the terminal.
* If the cursor is already at the edge of the screen, this has no effect.
* @param integer $steps number of steps the cursor should be moved backward
*/
public function moveCursorBackward($steps=1)
{
echo "\033[" . (int) $steps . 'D';
}
/**
* Moves the terminal cursor to the beginning of the next line by sending ANSI code CNL to the terminal.
* @param integer $lines number of lines the cursor should be moved down
*/
public function moveCursorNextLine($lines=1)
{
echo "\033[" . (int) $lines . 'E';
}
/**
* Moves the terminal cursor to the beginning of the previous line by sending ANSI code CPL to the terminal.
* @param integer $lines number of lines the cursor should be moved up
*/
public function moveCursorPrevLine($lines=1)
{
echo "\033[" . (int) $lines . 'F';
}
/**
* Moves the cursor to an absolute position given as column and row by sending ANSI code CUP or CHA to the terminal.
*
* @param integer $column 1-based column number, 1 is the left edge of the screen.
* @param integer|null $row 1-based row number, 1 is the top edge of the screen. if not set, will move cursor only in current line.
*/
public function moveCursorTo($column, $row=null)
{
if ($row === null) {
echo "\033[" . (int) $column . 'G';
} else {
echo "\033[" . (int) $row . ';' . (int) $column . 'H';
}
}
/**
* Scrolls whole page up by sending ANSI code SU to the terminal.
* New lines are added at the bottom. This is not supported by ANSI.SYS
* @param int $lines number of lines to scroll up
*/
public function scrollUp($lines=1)
{
echo "\033[".(int)$lines."S";
}
/**
* Scrolls whole page down by sending ANSI code SD to the terminal.
* New lines are added at the top. This is not supported by ANSI.SYS
* @param int $lines number of lines to scroll down
*/
public function scrollDown($lines=1)
{
echo "\033[".(int)$lines."T";
}
/**
* Saves the current cursor position by sending ANSI code SCP to the terminal.
* Position can then be restored with {@link restoreCursorPosition}
*/
public function saveCursorPosition()
{
echo "\033[s";
}
/**
* Restores the cursor position saved with {@link saveCursorPosition} by sending ANSI code RCP to the terminal.
*/
public function restoreCursorPosition()
{
echo "\033[u";
}
/**
* Hides the cursor by sending ANSI by sending ANSI DECTCEM code ?25l to the terminal.
* Use {@link showCursor} to bring it back.
*/
public function hideCursor()
{
echo "\033[?25l";
}
/**
* Will show a cursor again when it has been hidden by {@link hideCursor} by sending ANSI DECTCEM code ?25h to the terminal.
*/
public function showCursor()
{
echo "\033[?25h";
}
/**
* clears entire screen content by sending ANSI code ED with argument 2 to the terminal
* Cursor position will not be changed (ANSI.SYS implementation used in windows will reset cursor position to upper left corner of the screen).
*/
public function clearScreen()
{
echo "\033[2J";
}
/**
* clears text from cursor to the beginning of the screen by sending ANSI code ED with argument 1 to the terminal
* Cursor position will not be changed.
*/
public function clearScreenBeforeCursor()
{
echo "\033[1J";
}
/**
* clears text from cursor to the end of the screen by sending ANSI code ED with argument 0 to the terminal
* Cursor position will not be changed.
*/
public function clearScreenAfterCursor()
{
echo "\033[0J";
}
/**
* clears entire screen content by sending ANSI code EL with argument 2 to the terminal
* Cursor position will not be changed.
*/
public function clearLine()
{
echo "\033[2K";
}
/**
* clears text from cursor to the beginning of the screen by sending ANSI code EL with argument 1 to the terminal
* Cursor position will not be changed.
*/
public function clearLineBeforeCursor()
{
echo "\033[1K";
}
/**
* clears text from cursor to the end of the screen by sending ANSI code EL with argument 0 to the terminal
* Cursor position will not be changed.
*/
public function clearLineAfterCursor()
{
echo "\033[0K";
}
//const COLOR_XTERM256 = 38;// http://en.wikipedia.org/wiki/Talk:ANSI_escape_code#xterm-256colors
public function xtermColor($i) {
}
/**
* This method will turn given string into one colorized with ansi color
*/
public function colorize($string, $foreground = null, $background = null, $style = null)
{
$codes = array();
if ($foreground !== null) {
$codes[] = static::FOREGROUND_COLOR + $foreground;
}
if ($background !== null) {
$codes[] = static::BACKGROUND_COLOR + $background;
}
if ($style !== null) {
$codes[] = $style;
}
$code = implode(';', $codes);
return "\033[0m" . ($code !== '' ? "\033[" . $code . "m" : '') . $string . "\033[0m";
}
public function style($code)
{
return "\033[{$code}m";
}
public function color($foreground, $background=null)
{
if ($foreground === null && $background === null) {
return '';
}
$codes = array();
if ($foreground !== null) {
$codes[] = static::FOREGROUND_COLOR + $foreground;
}
if ($background !== null) {
$codes[] = static::BACKGROUND_COLOR + $background;
}
return "\033[" . implode(';', $codes) . "m";
}
public function reset()
{
return "\033[0m";
}
public function renderColoredString($string)
{
}
// TODO refactor and review
public function ansiToHtml($string)
{
$tags = 0;
return preg_replace_callback('/\033\[[\d;]+m/', function($ansi) use (&$tags) {
$styleA = array();
foreach(explode(';', $ansi) as $controlCode)
{
switch($controlCode)
{
case static::FG_COLOR_BLACK: $style = array('color' => '#000000'); break;
case static::FG_COLOR_BLUE: $style = array('color' => '#000078'); break;
case static::FG_COLOR_CYAN: $style = array('color' => '#007878'); break;
case static::FG_COLOR_GREEN: $style = array('color' => '#007800'); break;
case static::FG_COLOR_GREY: $style = array('color' => '#787878'); break;
case static::FG_COLOR_PURPLE: $style = array('color' => '#780078'); break;
case static::FG_COLOR_RED: $style = array('color' => '#780000'); break;
case static::FG_COLOR_YELLOW: $style = array('color' => '#787800'); break;
case static::BG_COLOR_BLACK: $style = array('background-color' => '#000000'); break;
case static::BG_COLOR_BLUE: $style = array('background-color' => '#000078'); break;
case static::BG_COLOR_CYAN: $style = array('background-color' => '#007878'); break;
case static::BG_COLOR_GREEN: $style = array('background-color' => '#007800'); break;
case static::BG_COLOR_GREY: $style = array('background-color' => '#787878'); break;
case static::BG_COLOR_PURPLE: $style = array('background-color' => '#780078'); break;
case static::BG_COLOR_RED: $style = array('background-color' => '#780000'); break;
case static::BG_COLOR_YELLOW: $style = array('background-color' => '#787800'); break;
case static::TEXT_BOLD: $style = array('font-weight' => 'bold'); break;
case static::TEXT_ITALIC: $style = array('font-style' => 'italic'); break;
case static::TEXT_UNDERLINE: $style = array('text-decoration' => array('underline')); break;
case static::TEXT_OVERLINED: $style = array('text-decoration' => array('overline')); break;
case static::TEXT_CROSSED_OUT:$style = array('text-decoration' => array('line-through')); break;
case static::TEXT_BLINK: $style = array('text-decoration' => array('blink')); break;
case static::TEXT_NEGATIVE: // ???
case static::TEXT_CONCEALED:
case static::TEXT_ENCIRCLED:
case static::TEXT_FRAMED:
// TODO allow resetting codes
break;
case 0: // ansi reset
$return = '';
for($n=$tags; $tags>0; $tags--) {
$return .= '</span>';
}
return $return;
}
$styleA = \yii\util\ArrayHelper::merge($styleA, $style);
}
$styleString[] = array();
foreach($styleA as $name => $content) {
if ($name = 'text-decoration') {
$content = implode(' ', $content);
}
$styleString[] = $name.':'.$content;
}
$tags++;
return '<span' . (!empty($styleString) ? 'style="' . implode(';', $styleString) : '') . '>';
}, $string);
}
}
\ No newline at end of file
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