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Theme.php
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Theme.php
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<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2023 Justin Hileman
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Psy\Output;
use Symfony\Component\Console\Formatter\OutputFormatterInterface;
use Symfony\Component\Console\Formatter\OutputFormatterStyle;
/**
* An output Theme, which controls prompt strings, formatter styles, and compact output.
*/
class Theme
{
const MODERN_THEME = []; // Defaults :)
const COMPACT_THEME = [
'compact' => true,
];
const CLASSIC_THEME = [
'compact' => true,
'prompt' => '>>> ',
'bufferPrompt' => '... ',
'replayPrompt' => '--> ',
'returnValue' => '=> ',
];
const DEFAULT_STYLES = [
'info' => ['white', 'blue', ['bold']],
'warning' => ['black', 'yellow'],
'error' => ['white', 'red', ['bold']],
'whisper' => ['gray'],
'aside' => ['blue'],
'strong' => [null, null, ['bold']],
'return' => ['cyan'],
'urgent' => ['red'],
'hidden' => ['black'],
// Visibility
'public' => [null, null, ['bold']],
'protected' => ['yellow'],
'private' => ['red'],
'global' => ['cyan', null, ['bold']],
'const' => ['cyan'],
'class' => ['blue', null, ['underscore']],
'function' => [null],
'default' => [null],
// Types
'number' => ['magenta'],
'integer' => ['magenta'],
'float' => ['yellow'],
'string' => ['green'],
'bool' => ['cyan'],
'keyword' => ['yellow'],
'comment' => ['blue'],
'code_comment' => ['gray'],
'object' => ['blue'],
'resource' => ['yellow'],
// Code-specific formatting
'inline_html' => ['cyan'],
];
const ERROR_STYLES = ['info', 'warning', 'error', 'whisper', 'class'];
private bool $compact = false;
private string $prompt = '> ';
private string $bufferPrompt = '. ';
private string $replayPrompt = '- ';
private string $returnValue = '= ';
private string $grayFallback = 'blue';
private array $styles = [];
/**
* @param string|array $config theme name or config options
*/
public function __construct($config = 'modern')
{
if (\is_string($config)) {
switch ($config) {
case 'modern':
$config = static::MODERN_THEME;
break;
case 'compact':
$config = static::COMPACT_THEME;
break;
case 'classic':
$config = static::CLASSIC_THEME;
break;
default:
\trigger_error(\sprintf('Unknown theme: %s', $config), \E_USER_NOTICE);
$config = static::MODERN_THEME;
break;
}
}
if (!\is_array($config)) {
throw new \InvalidArgumentException('Invalid theme config');
}
foreach ($config as $name => $value) {
switch ($name) {
case 'compact':
$this->setCompact($value);
break;
case 'prompt':
$this->setPrompt($value);
break;
case 'bufferPrompt':
$this->setBufferPrompt($value);
break;
case 'replayPrompt':
$this->setReplayPrompt($value);
break;
case 'returnValue':
$this->setReturnValue($value);
break;
case 'grayFallback':
$this->setGrayFallback($value);
break;
}
}
$this->setStyles($config['styles'] ?? []);
}
/**
* Enable or disable compact output.
*/
public function setCompact(bool $compact)
{
$this->compact = $compact;
}
/**
* Get whether to use compact output.
*/
public function compact(): bool
{
return $this->compact;
}
/**
* Set the prompt string.
*/
public function setPrompt(string $prompt)
{
$this->prompt = $prompt;
}
/**
* Get the prompt string.
*/
public function prompt(): string
{
return $this->prompt;
}
/**
* Set the buffer prompt string (used for multi-line input continuation).
*/
public function setBufferPrompt(string $bufferPrompt)
{
$this->bufferPrompt = $bufferPrompt;
}
/**
* Get the buffer prompt string (used for multi-line input continuation).
*/
public function bufferPrompt(): string
{
return $this->bufferPrompt;
}
/**
* Set the prompt string used when replaying history.
*/
public function setReplayPrompt(string $replayPrompt)
{
$this->replayPrompt = $replayPrompt;
}
/**
* Get the prompt string used when replaying history.
*/
public function replayPrompt(): string
{
return $this->replayPrompt;
}
/**
* Set the return value marker.
*/
public function setReturnValue(string $returnValue)
{
$this->returnValue = $returnValue;
}
/**
* Get the return value marker.
*/
public function returnValue(): string
{
return $this->returnValue;
}
/**
* Set the fallback color when "gray" is unavailable.
*/
public function setGrayFallback(string $grayFallback)
{
$this->grayFallback = $grayFallback;
}
/**
* Set the shell output formatter styles.
*
* Accepts a map from style name to [fg, bg, options], for example:
*
* [
* 'error' => ['white', 'red', ['bold']],
* 'warning' => ['black', 'yellow'],
* ]
*
* Foreground, background or options can be null, or even omitted entirely.
*/
public function setStyles(array $styles)
{
foreach (\array_keys(static::DEFAULT_STYLES) as $name) {
$this->styles[$name] = $styles[$name] ?? static::DEFAULT_STYLES[$name];
}
}
/**
* Apply the current output formatter styles.
*/
public function applyStyles(OutputFormatterInterface $formatter, bool $useGrayFallback)
{
foreach (\array_keys(static::DEFAULT_STYLES) as $name) {
$formatter->setStyle($name, new OutputFormatterStyle(...$this->getStyle($name, $useGrayFallback)));
}
}
/**
* Apply the current output formatter error styles.
*/
public function applyErrorStyles(OutputFormatterInterface $errorFormatter, bool $useGrayFallback)
{
foreach (static::ERROR_STYLES as $name) {
$errorFormatter->setStyle($name, new OutputFormatterStyle(...$this->getStyle($name, $useGrayFallback)));
}
}
private function getStyle(string $name, bool $useGrayFallback): array
{
return \array_map(function ($style) use ($useGrayFallback) {
return ($useGrayFallback && $style === 'gray') ? $this->grayFallback : $style;
}, $this->styles[$name]);
}
}

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Theme.php (7 KB)

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