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console color: improved api and documentation

tags/2.0.0-beta
Carsten Brandt 13 years ago
parent
9f06233275
commit
119352a526
1 changed files with 171 additions and 62 deletions
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  1. 233
      framework/console/Controller.php

233
framework/console/Controller.php
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@ -205,7 +205,6 @@ class Controller extends \yii\base\Controller
/**
* 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.
*/
@ -220,7 +219,7 @@ class Controller extends \yii\base\Controller
/**
* 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
* New lines are added at the bottom. This is not supported by ANSI.SYS used in windows.
* @param int $lines number of lines to scroll up
*/
public function scrollUp($lines=1)
@ -230,7 +229,7 @@ class Controller extends \yii\base\Controller
/**
* 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
* New lines are added at the top. This is not supported by ANSI.SYS used in windows.
* @param int $lines number of lines to scroll down
*/
public function scrollDown($lines=1)
@ -240,7 +239,7 @@ class Controller extends \yii\base\Controller
/**
* Saves the current cursor position by sending ANSI code SCP to the terminal.
* Position can then be restored with {@link restoreCursorPosition}
* Position can then be restored with {@link restoreCursorPosition}.
*/
public function saveCursorPosition()
{
@ -256,8 +255,9 @@ class Controller extends \yii\base\Controller
}
/**
* Hides the cursor by sending ANSI by sending ANSI DECTCEM code ?25l to the terminal.
* Hides the cursor by sending ANSI DECTCEM code ?25l to the terminal.
* Use {@link showCursor} to bring it back.
* Do not forget to show cursor when your application exits. Cursor might stay hidden in terminal after exit.
*/
public function hideCursor()
{
@ -273,8 +273,9 @@ class Controller extends \yii\base\Controller
}
/**
* 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).
* Clears entire screen content by sending ANSI code ED with argument 2 to the terminal.
* Cursor position will not be changed.
* **Note:** ANSI.SYS implementation used in windows will reset cursor position to upper left corner of the screen.
*/
public function clearScreen()
{
@ -282,7 +283,7 @@ class Controller extends \yii\base\Controller
}
/**
* clears text from cursor to the beginning of the screen by sending ANSI code ED with argument 1 to the terminal
* 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()
@ -291,7 +292,7 @@ class Controller extends \yii\base\Controller
}
/**
* clears text from cursor to the end of the screen by sending ANSI code ED with argument 0 to the terminal
* 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()
@ -301,7 +302,7 @@ class Controller extends \yii\base\Controller
/**
* clears entire screen content by sending ANSI code EL with argument 2 to the terminal
* Clears the line, the cursor is currently on by sending ANSI code EL with argument 2 to the terminal.
* Cursor position will not be changed.
*/
public function clearLine()
@ -310,7 +311,7 @@ class Controller extends \yii\base\Controller
}
/**
* clears text from cursor to the beginning of the screen by sending ANSI code EL with argument 1 to the terminal
* Clears text from cursor position to the beginning of the line by sending ANSI code EL with argument 1 to the terminal.
* Cursor position will not be changed.
*/
public function clearLineBeforeCursor()
@ -319,7 +320,7 @@ class Controller extends \yii\base\Controller
}
/**
* clears text from cursor to the end of the screen by sending ANSI code EL with argument 0 to the terminal
* Clears text from cursor position to the end of the line by sending ANSI code EL with argument 0 to the terminal.
* Cursor position will not be changed.
*/
public function clearLineAfterCursor()
@ -327,77 +328,74 @@ class Controller extends \yii\base\Controller
echo "\033[0K";
}
//const COLOR_XTERM256 = 38;// http://en.wikipedia.org/wiki/Talk:ANSI_escape_code#xterm-256colors
public function xtermColor($i) {
/**
* Will send ANSI format for following output
*
* You can pass any of the FG_*, BG_* and TEXT_* constants and also xterm256ColorBg
* TODO: documentation
*/
public function ansiStyle()
{
echo "\033[" . implode(';', func_get_args()) . 'm';
}
/**
* This method will turn given string into one colorized with ansi color
* Will return a string formatted with the given ANSI style
*
* See {@link ansiStyle} for possible arguments.
* @param string $string the string to be formatted
* @return string
*/
public function colorize($string, $foreground = null, $background = null, $style = null)
public function ansiStyleString($string)
{
$codes = array();
if ($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";
$args = func_get_args();
array_shift($args);
$code = implode(';', $args);
return "\033[0m" . ($code !== '' ? "\033[" . $code . "m" : '') . $string."\033[0m";
}
public function style($code)
//const COLOR_XTERM256 = 38;// http://en.wikipedia.org/wiki/Talk:ANSI_escape_code#xterm-256colors
public function xterm256ColorFg($i) // TODO naming!
{
return "\033[{$code}m";
return '38;5;'.$i;
}
public function color($foreground, $background=null)
public function xterm256ColorBg($i) // TODO naming!
{
if ($foreground === null && $background === null) {
return '';
}
$codes = array();
if ($foreground !== null) {
$codes[] = static::FOREGROUND_COLOR + $foreground;
}
if ($background !== null) {
$codes[] = static::BACKGROUND_COLOR + $background;
}
return '48;5;'.$i;
}
return "\033[" . implode(';', $codes) . "m";
/**
* Usage: list($w, $h) = $this->getScreenSize();
*
* @return array
*/
public function getScreenSize()
{
// TODO implement
return array(150,50);
}
/**
* resets any ansi style set by previous method {@link ansiStyle}
* Any output after this is will have default text style.
*/
public function reset()
{
return "\033[0m";
echo "\033[0m";
}
public function renderColoredString($string)
/**
* Strips ANSI control codes from a string
*
* @param string $string String to strip
* @return string
*/
function strip($string)
{
return preg_replace('/\033\[[\d;]+m/', '', $string); // TODO currently only strips color
}
// TODO refactor and review
public function ansiToHtml($string)
{
@ -457,4 +455,115 @@ class Controller extends \yii\base\Controller
}, $string);
}
/**
* TODO syntax copied from https://github.com/pear/Console_Color2/blob/master/Console/Color2.php
*
* Converts colorcodes in the format %y (for yellow) into ansi-control
* codes. The conversion table is: ('bold' meaning 'light' on some
* terminals). It's almost the same conversion table irssi uses.
* <pre>
* text text background
* ------------------------------------------------
* %k %K %0 black dark grey black
* %r %R %1 red bold red red
* %g %G %2 green bold green green
* %y %Y %3 yellow bold yellow yellow
* %b %B %4 blue bold blue blue
* %m %M %5 magenta bold magenta magenta
* %p %P magenta (think: purple)
* %c %C %6 cyan bold cyan cyan
* %w %W %7 white bold white white
*
* %F Blinking, Flashing
* %U Underline
* %8 Reverse
* %_,%9 Bold
*
* %n Resets the color
* %% A single %
* </pre>
* First param is the string to convert, second is an optional flag if
* colors should be used. It defaults to true, if set to false, the
* colorcodes will just be removed (And %% will be transformed into %)
*
* @param string $string String to convert
* @param bool $colored Should the string be colored?
*
* @access public
* @return string
*/
public function renderColoredString($string)
{
$colored = true;
static $conversions = array ( // static so the array doesn't get built
// everytime
// %y - yellow, and so on... {{{
'%y' => array('color' => 'yellow'),
'%g' => array('color' => 'green' ),
'%b' => array('color' => 'blue' ),
'%r' => array('color' => 'red' ),
'%p' => array('color' => 'purple'),
'%m' => array('color' => 'purple'),
'%c' => array('color' => 'cyan' ),
'%w' => array('color' => 'grey' ),
'%k' => array('color' => 'black' ),
'%n' => array('color' => 'reset' ),
'%Y' => array('color' => 'yellow', 'style' => 'light'),
'%G' => array('color' => 'green', 'style' => 'light'),
'%B' => array('color' => 'blue', 'style' => 'light'),
'%R' => array('color' => 'red', 'style' => 'light'),
'%P' => array('color' => 'purple', 'style' => 'light'),
'%M' => array('color' => 'purple', 'style' => 'light'),
'%C' => array('color' => 'cyan', 'style' => 'light'),
'%W' => array('color' => 'grey', 'style' => 'light'),
'%K' => array('color' => 'black', 'style' => 'light'),
'%N' => array('color' => 'reset', 'style' => 'light'),
'%3' => array('background' => 'yellow'),
'%2' => array('background' => 'green' ),
'%4' => array('background' => 'blue' ),
'%1' => array('background' => 'red' ),
'%5' => array('background' => 'purple'),
'%6' => array('background' => 'cyan' ),
'%7' => array('background' => 'grey' ),
'%0' => array('background' => 'black' ),
// Don't use this, I can't stand flashing text
'%F' => array('style' => 'blink'),
'%U' => array('style' => 'underline'),
'%8' => array('style' => 'inverse'),
'%9' => array('style' => 'bold'),
'%_' => array('style' => 'bold')
// }}}
);
if ($colored) {
$string = str_replace('%%', '% ', $string);
foreach ($conversions as $key => $value) {
$string = str_replace($key, Console_Color::color($value),
$string);
}
$string = str_replace('% ', '%', $string);
} else {
$string = preg_replace('/%((%)|.)/', '$2', $string);
}
return $string;
}
/**
* Escapes % so they don't get interpreted as color codes
*
* @param string $string String to escape
*
* @access public
* @return string
*/
function escape($string)
{
return str_replace('%', '%%', $string);
}
}
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