--- /dev/null
+<?php
+namespace JakubOnderka\PhpConsoleColor;
+
+class ConsoleColor
+{
+ const FOREGROUND = 38,
+ BACKGROUND = 48;
+
+ const COLOR256_REGEXP = '~^(bg_)?color_([0-9]{1,3})$~';
+
+ const RESET_STYLE = 0;
+
+ /** @var bool */
+ private $isSupported;
+
+ /** @var bool */
+ private $forceStyle = false;
+
+ /** @var array */
+ private $styles = array(
+ 'none' => null,
+ 'bold' => '1',
+ 'dark' => '2',
+ 'italic' => '3',
+ 'underline' => '4',
+ 'blink' => '5',
+ 'reverse' => '7',
+ 'concealed' => '8',
+
+ 'default' => '39',
+ 'black' => '30',
+ 'red' => '31',
+ 'green' => '32',
+ 'yellow' => '33',
+ 'blue' => '34',
+ 'magenta' => '35',
+ 'cyan' => '36',
+ 'light_gray' => '37',
+
+ 'dark_gray' => '90',
+ 'light_red' => '91',
+ 'light_green' => '92',
+ 'light_yellow' => '93',
+ 'light_blue' => '94',
+ 'light_magenta' => '95',
+ 'light_cyan' => '96',
+ 'white' => '97',
+
+ 'bg_default' => '49',
+ 'bg_black' => '40',
+ 'bg_red' => '41',
+ 'bg_green' => '42',
+ 'bg_yellow' => '43',
+ 'bg_blue' => '44',
+ 'bg_magenta' => '45',
+ 'bg_cyan' => '46',
+ 'bg_light_gray' => '47',
+
+ 'bg_dark_gray' => '100',
+ 'bg_light_red' => '101',
+ 'bg_light_green' => '102',
+ 'bg_light_yellow' => '103',
+ 'bg_light_blue' => '104',
+ 'bg_light_magenta' => '105',
+ 'bg_light_cyan' => '106',
+ 'bg_white' => '107',
+ );
+
+ /** @var array */
+ private $themes = array();
+
+ public function __construct()
+ {
+ $this->isSupported = $this->isSupported();
+ }
+
+ /**
+ * @param string|array $style
+ * @param string $text
+ * @return string
+ * @throws InvalidStyleException
+ * @throws \InvalidArgumentException
+ */
+ public function apply($style, $text)
+ {
+ if (!$this->isStyleForced() && !$this->isSupported()) {
+ return $text;
+ }
+
+ if (is_string($style)) {
+ $style = array($style);
+ }
+ if (!is_array($style)) {
+ throw new \InvalidArgumentException("Style must be string or array.");
+ }
+
+ $sequences = array();
+
+ foreach ($style as $s) {
+ if (isset($this->themes[$s])) {
+ $sequences = array_merge($sequences, $this->themeSequence($s));
+ } else if ($this->isValidStyle($s)) {
+ $sequences[] = $this->styleSequence($s);
+ } else {
+ throw new InvalidStyleException($s);
+ }
+ }
+
+ $sequences = array_filter($sequences, function ($val) {
+ return $val !== null;
+ });
+
+ if (empty($sequences)) {
+ return $text;
+ }
+
+ return $this->escSequence(implode(';', $sequences)) . $text . $this->escSequence(self::RESET_STYLE);
+ }
+
+ /**
+ * @param bool $forceStyle
+ */
+ public function setForceStyle($forceStyle)
+ {
+ $this->forceStyle = (bool) $forceStyle;
+ }
+
+ /**
+ * @return bool
+ */
+ public function isStyleForced()
+ {
+ return $this->forceStyle;
+ }
+
+ /**
+ * @param array $themes
+ * @throws InvalidStyleException
+ * @throws \InvalidArgumentException
+ */
+ public function setThemes(array $themes)
+ {
+ $this->themes = array();
+ foreach ($themes as $name => $styles) {
+ $this->addTheme($name, $styles);
+ }
+ }
+
+ /**
+ * @param string $name
+ * @param array|string $styles
+ * @throws \InvalidArgumentException
+ * @throws InvalidStyleException
+ */
+ public function addTheme($name, $styles)
+ {
+ if (is_string($styles)) {
+ $styles = array($styles);
+ }
+ if (!is_array($styles)) {
+ throw new \InvalidArgumentException("Style must be string or array.");
+ }
+
+ foreach ($styles as $style) {
+ if (!$this->isValidStyle($style)) {
+ throw new InvalidStyleException($style);
+ }
+ }
+
+ $this->themes[$name] = $styles;
+ }
+
+ /**
+ * @return array
+ */
+ public function getThemes()
+ {
+ return $this->themes;
+ }
+
+ /**
+ * @param string $name
+ * @return bool
+ */
+ public function hasTheme($name)
+ {
+ return isset($this->themes[$name]);
+ }
+
+ /**
+ * @param string $name
+ */
+ public function removeTheme($name)
+ {
+ unset($this->themes[$name]);
+ }
+
+ /**
+ * @return bool
+ */
+ public function isSupported()
+ {
+ if (DIRECTORY_SEPARATOR === '\\') {
+ return getenv('ANSICON') !== false || getenv('ConEmuANSI') === 'ON';
+ }
+
+ return function_exists('posix_isatty') && @posix_isatty(STDOUT);
+ }
+
+ /**
+ * @return bool
+ */
+ public function are256ColorsSupported()
+ {
+ return DIRECTORY_SEPARATOR === '/' && strpos(getenv('TERM'), '256color') !== false;
+ }
+
+ /**
+ * @return array
+ */
+ public function getPossibleStyles()
+ {
+ return array_keys($this->styles);
+ }
+
+ /**
+ * @param string $name
+ * @return string
+ * @throws InvalidStyleException
+ */
+ private function themeSequence($name)
+ {
+ $sequences = array();
+ foreach ($this->themes[$name] as $style) {
+ $sequences[] = $this->styleSequence($style);
+ }
+ return $sequences;
+ }
+
+ /**
+ * @param string $style
+ * @return string
+ * @throws InvalidStyleException
+ */
+ private function styleSequence($style)
+ {
+ if (array_key_exists($style, $this->styles)) {
+ return $this->styles[$style];
+ }
+
+ if (!$this->are256ColorsSupported()) {
+ return null;
+ }
+
+ preg_match(self::COLOR256_REGEXP, $style, $matches);
+
+ $type = $matches[1] === 'bg_' ? self::BACKGROUND : self::FOREGROUND;
+ $value = $matches[2];
+
+ return "$type;5;$value";
+ }
+
+ /**
+ * @param string $style
+ * @return bool
+ */
+ private function isValidStyle($style)
+ {
+ return array_key_exists($style, $this->styles) || preg_match(self::COLOR256_REGEXP, $style);
+ }
+
+ /**
+ * @param string|int $value
+ * @return string
+ */
+ private function escSequence($value)
+ {
+ return "\033[{$value}m";
+ }
+}
\ No newline at end of file
projects / yaffs-website / blobdiff