'span',
self::END_OF_LINE_TAG => '
',
];
/**
* @var array
*/
protected $definedStyles = [
// Format
0 => 'font-weight:normal;text-decoration:none;color:White;background-color:Black', // Reset all styles
1 => 'font-weight:bold', // Bold/bright
2 => '', // Dim ? unknown style
4 => 'text-decoration:underline', // Underlined
5 => '', // Blink ? unknown style
7 => '', // Inverted ? unknown style
8 => 'display:none', // Hidden
21 => 'font-weight:normal', // Reset bold/bright
22 => '', // Reset dim ? unknown style
24 => 'text-decoration:none', // Reset underlined
25 => 'text-decoration:none', // Reset blink
27 => '', // Reset reverse ? unknown style
28 => 'display:inline-block', // Reset hidden
// Foreground colors
39 => 'color:White', // Default foreground color
30 => 'color:Black', // Black
31 => 'color:Red', // Red
32 => 'color:Green', // Green
33 => 'color:Yellow', // Yellow
34 => 'color:Blue', // Blue
35 => 'color:Magenta', // Magenta
36 => 'color:Cyan', // Cyan
37 => 'color:LightGray', // Light gray
90 => 'color:DarkGray', // Dark gray
91 => 'color:LightRed', // Light red
92 => 'color:LightGreen', // Light green
93 => 'color:LightYellow', // Light yellow
94 => 'color:LightBlue', // Light blue
95 => 'color:#F466CC', // Light magenta
96 => 'color:LightCyan', // Light cyan
97 => 'color:White', // White
// Background colors
49 => 'background-color:Black', // Default background color
40 => 'background-color:Black', // Black
41 => 'background-color:Red', // Red
42 => 'background-color:Green', // Green
43 => 'background-color:Yellow', // Yellow
44 => 'background-color:Blue', // Blue
45 => 'background-color:Magenta', // Magenta
46 => 'background-color:Cyan', // Cyan
47 => 'background-color:LightGray', // Light gray
100 => 'background-color:DarkGray', // Dark gray
101 => 'background-color:LightRed', // Light red
102 => 'background-color:LightGreen', // Light green
103 => 'background-color:LightYellow', // Light yellow
104 => 'background-color:LightBlue', // Light blue
105 => 'background-color:#F466CC', // Light magenta
106 => 'background-color:LightCyan', // Light cyan
107 => 'background-color:White', // White
];
/**
* @var array
*/
protected $rgbColors = [];
/**
* @param string $subject
* @return string
*/
public function toHtml(string $subject): string
{
// Convert ansi escapes
$styles = $this->getDefaultStyles();
// Start by a "default styles" container if no styles are expected at the begining
if (!preg_match('/^(\e\[([0-9;]+)m)/', $subject)) {
$subject = $this->openContainerWithStyles($styles) . $subject;
$isContainerOpen = true;
} else {
$isContainerOpen = false;
}
$self = $this;
$subject = preg_replace_callback(
'/(\e\[([0-9;]+)m)/',
function ($matches) use ($self, &$styles, &$isContainerOpen) {
$return = '';
if ($isContainerOpen) {
$return .= $self->closeContainer();
$isContainerOpen = false;
}
$styles = $self->getCssStylesFromCode($matches[2], $styles);
$return .= $self->openContainerWithStyles($styles);
$isContainerOpen = true;
return $return;
},
$subject
);
if ($isContainerOpen) {
$subject .= $this->closeContainer();
$isContainerOpen = false;
}
// Convert end of lines
$endOfLineConversion = $this->getConversionTag(self::END_OF_LINE_TAG);
if ($endOfLineConversion !== PHP_EOL) {
$subject = str_replace(PHP_EOL, $endOfLineConversion, $subject);
}
return $subject;
}
/**
* @param array $styles
* @return string
*/
public function openContainerWithStyles(array $styles): string
{
$stylesContent = '';
foreach ($styles as $style => $value) {
$stylesContent .= $style . ':' . $value . ';';
}
return '<' . $this->getConversionTag(self::CONTAINER_TAG) . ' style="' . $stylesContent . '">';
}
/**
* @return string
*/
public function closeContainer(): string
{
return 'getConversionTag(self::CONTAINER_TAG) . '>';
}
/**
* @return array
*/
public function getDefaultStyles()
{
$definedStyles = $this->getDefinedStyles();
$defaultStyles = [];
foreach (explode(';', $definedStyles[0]) as $style) {
$styleParts = explode(':', $style);
$defaultStyles[$styleParts[0]] = $styleParts[1];
}
return $defaultStyles;
}
/**
* Define an array of css styles for a given code and default styles
* @param string $code
* @param array $styles
* @return array
*/
public function getCssStylesFromCode(string $code, array $styles): array
{
$code = trim($code);
// 88/256 Colors
$colorsMatches = null;
if (preg_match('/(38|48);5;([0-9]+)/', $code, $colorsMatches)) {
$colorNumber = (int) $colorsMatches[2];
$isForegroundColor = (int) $colorsMatches[1] === 38;
if ($isForegroundColor) {
$styles['color'] = $this->getRgbColor($colorNumber);
} else {
// Background color
$styles['background-color'] = $this->getRgbColor($colorNumber);
}
$code = trim(str_replace($colorsMatches[0], '', $code));
}
if ($code !== '') {
// Defined styles codes
$definedStyles = $this->getDefinedStyles();
foreach (explode(';', $code) as $codePart) {
$codePart = trim($codePart);
if ($codePart === '') {
continue;
}
$codeNumber = (int) $codePart;
if (isset($definedStyles[$codeNumber])) {
if ($definedStyles[$codeNumber]) {
foreach (explode(';', $definedStyles[$codeNumber]) as $style) {
$stylesPart = explode(':', $style);
$styles[$stylesPart[0]] = $stylesPart[1];
}
}
}
}
}
return $styles;
}
/**
* @param string $tagName
* @return string
* @throws \InvalidArgumentException
*/
public function getConversionTag(string $tagName): string
{
if (!isset($this->conversionTags[$tagName])) {
throw new \InvalidArgumentException('Argument "$tagName" "' . $tagName . '" is not an existing tag');
}
return $this->conversionTags[$tagName];
}
/**
* @return array
*/
public function getDefinedStyles(): array
{
return $this->definedStyles;
}
/**
* @param array $definedStyles
* @return \AnsiEscapesToHtml\Highlighter
*/
public function setDefinedStyles(array $definedStyles)
{
$this->definedStyles = $definedStyles;
return $this;
}
/**
* @param integer $colorNumber
* @return string
* @throws \InvalidArgumentException
*/
public function getRgbColor(int $colorNumber): string
{
// Generate rgb colors array
if (!$this->rgbColors) {
for ($redIterator = 0; $redIterator < 6; $redIterator++) {
for ($greenIterator = 0; $greenIterator < 6; $greenIterator++) {
for ($blueIterator = 0; $blueIterator < 6; $blueIterator++) {
$keyColorNumer = 16 + ($redIterator * 36) + ($greenIterator * 6) + $blueIterator;
$rgb = sprintf(
'rgb(%d,%d,%d)',
($redIterator ? $redIterator * 40 + 55 : 0),
($greenIterator ? $greenIterator * 40 + 55 : 0),
($blueIterator ? $blueIterator * 40 + 55 : 0)
);
$this->rgbColors[$keyColorNumer] = $rgb;
}
}
}
// Gray scale
for ($grayIterator = 0; $grayIterator < 24; $grayIterator++) {
$keyColorNumer = $grayIterator + 232;
$gray = $grayIterator + 10 + 8;
$this->rgbColors[$keyColorNumer] = 'rgb(' . $gray . $gray . $gray . ')';
}
}
if (isset($this->rgbColors[$colorNumber])) {
return $this->rgbColors[$colorNumber];
}
throw new \InvalidArgumentException(sprintf(
'Argument "$colorNumber" "%d" expects to be in range 16,256',
$colorNumber
));
}
}