mirror of
https://github.com/silverstripe/silverstripe-framework
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b12a00c391
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@73509 467b73ca-7a2a-4603-9d3b-597d59a354a9
81 lines
2.2 KiB
PHP
81 lines
2.2 KiB
PHP
<?php
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/**
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* Class to facilitate command-line output.
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* Support less-trivial output stuff such as colours (on xterm-color)
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*
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* @package sapphire
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* @subpackage dev
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*/
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class SSCli extends Object {
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/**
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* Returns true if the current STDOUT supports the use of colour control codes.
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*/
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static function supports_colour() {
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if(!defined('STDOUT')) define('STDOUT', fopen("php://stdout","w"));
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return @posix_isatty(STDOUT);
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}
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/**
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* Return text encoded for CLI output, optionally coloured
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* @param string $fgColour The foreground colour - black, red, green, yellow, blue, magenta, cyan, white. Null is default.
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* @param string $bgColour The foreground colour - black, red, green, yellow, blue, magenta, cyan, white. Null is default.
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* @param string $bold A boolean variable - bold or not.
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*/
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static function text($text, $fgColour = null, $bgColour = null, $bold = false) {
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if(!self::supports_colour()) return $text;
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if($fgColour || $bgColour || $bold) {
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$prefix = self::start_colour($fgColour, $bgColour, $bold);
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$suffix = self::end_colour();
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} else {
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$prefix = $suffix = "";
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}
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return $prefix . $text . $suffix;
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}
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/**
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* Send control codes for changing text to the given colour
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* @param string $fgColour The foreground colour - black, red, green, yellow, blue, magenta, cyan, white. Null is default.
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* @param string $bgColour The foreground colour - black, red, green, yellow, blue, magenta, cyan, white. Null is default.
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* @param string $bold A boolean variable - bold or not.
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*/
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static function start_colour($fgColour = null, $bgColour = null, $bold = false) {
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if(!self::supports_colour()) return "";
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$colours = array(
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'black' => 0,
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'red' => 1,
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'green' => 2,
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'yellow' => 3,
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'blue' => 4,
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'magenta' => 5,
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'cyan' => 6,
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'white' => 7,
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);
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$prefix = "";
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if($fgColour || $bold) {
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if(!$fgColour) $fgColour = "white";
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$prefix .= "\033[" . ($bold ? "1;" :"") . "3" . $colours[$fgColour] . "m";
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}
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if($bgColour) {
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$prefix .= "\033[4" . $colours[$bgColour] . "m";
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}
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return $prefix;
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}
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/**
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* Send control codes for returning to normal colour
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*/
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static function end_colour() {
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return self::supports_colour() ? "\033[0m" : "";
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}
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}
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?>
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