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<?php |
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/* |
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* This file is part of dispositif/wikibot application (@github) |
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* 2019-2024 © Philippe M./Irønie <[email protected]> |
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* For the full copyright and MIT license information, view the license file. |
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*/ |
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declare(strict_types=1); |
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namespace App\Infrastructure; |
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use App\Application\InfrastructurePorts\DiffInterface; |
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use Jfcherng\Diff\DiffHelper; |
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use Jfcherng\Diff\Renderer\RendererConstant; |
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/** |
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* Diff lib PHP>=8.1 https://github.com/jfcherng/php-diff |
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* https://github.com/jfcherng/php-diff/tree/v6/example |
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*/ |
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class DiffAdapter implements DiffInterface |
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{ |
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public const STYLE_UNIFIED = 'Unified'; |
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public const STYLE_CONTEXT = 'Context'; |
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protected const DEFAULT_STYLE = self::STYLE_UNIFIED; |
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protected const DIFF_STYLES = [self::STYLE_UNIFIED, self::STYLE_CONTEXT]; |
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protected array $colorStyles; |
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protected array $diffOptions; |
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protected array $rendererOptions; |
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protected string $diffStyle; |
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public function __construct(string $diffStyle = self::DEFAULT_STYLE) |
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{ |
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$this->diffStyle = in_array($diffStyle, self::DIFF_STYLES) ? $diffStyle : 'Unified'; |
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$this->initialize(); |
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} |
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private function initialize(): void |
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{ |
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$this->colorStyles = [ |
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'section' => ['f_black', 'b_cyan'], |
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]; |
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// options for Diff class |
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$this->diffOptions = [ |
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// show how many neighbor lines |
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// Differ::CONTEXT_ALL can be used to show the whole file |
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'context' => 2, |
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// ignore case difference |
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'ignoreCase' => false, |
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// ignore line ending difference |
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'ignoreLineEnding' => false, |
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// ignore whitespace difference |
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'ignoreWhitespace' => false, |
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// if the input sequence is too long, it will just gives up (especially for char-level diff) |
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'lengthLimit' => 2000, |
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]; |
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// options for renderer class |
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$this->rendererOptions = [ |
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// how detailed the rendered HTML is? (none, line, word, char) |
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'detailLevel' => 'word', // line |
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// renderer language: eng, cht, chs, jpn, ... |
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// or an array which has the same keys with a language file |
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// check the "Custom Language" section in the readme for more advanced usage |
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'language' => 'fra', // eng |
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// show line numbers in HTML renderers |
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'lineNumbers' => false, |
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// show a separator between different diff hunks in HTML renderers |
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'separateBlock' => true, |
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// show the (table) header |
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'showHeader' => true, |
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// convert spaces/tabs into HTML codes like `<span class="ch sp"> </span>` |
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// and the frontend is responsible for rendering them with CSS. |
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// when using this, "spacesToNbsp" should be false and "tabSize" is not respected. |
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'spaceToHtmlTag' => false, |
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// the frontend HTML could use CSS "white-space: pre;" to visualize consecutive whitespaces |
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// but if you want to visualize them in the backend with " ", you can set this to true |
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'spacesToNbsp' => false, |
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// HTML renderer tab width (negative = do not convert into spaces) |
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'tabSize' => 4, |
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// this option is currently only for the Combined renderer. |
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// it determines whether a replace-type block should be merged or not |
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// depending on the content changed ratio, which values between 0 and 1. |
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'mergeThreshold' => 0.8, |
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// this option is currently only for the Unified and the Context renderers. |
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// RendererConstant::CLI_COLOR_AUTO = colorize the output if possible (default) |
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// RendererConstant::CLI_COLOR_ENABLE = force to colorize the output |
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// RendererConstant::CLI_COLOR_DISABLE = force not to colorize the output |
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'cliColorization' => RendererConstant::CLI_COLOR_AUTO, |
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// this option is currently only for the Json renderer. |
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// internally, ops (tags) are all int type but this is not good for human reading. |
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// set this to "true" to convert them into string form before outputting. |
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'outputTagAsString' => false, |
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// this option is currently only for the Json renderer. |
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// it controls how the output JSON is formatted. |
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// see available options on https://www.php.net/manual/en/function.json-encode.php |
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'jsonEncodeFlags' => \JSON_UNESCAPED_SLASHES | \JSON_UNESCAPED_UNICODE, |
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// this option is currently effective when the "detailLevel" is "word" |
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// characters listed in this array can be used to make diff segments into a whole |
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// for example, making "<del>good</del>-<del>looking</del>" into "<del>good-looking</del>" |
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// this should bring better readability but set this to empty array if you do not want it |
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'wordGlues' => [' ', '-'], |
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// change this value to a string as the returned diff if the two input strings are identical |
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'resultForIdenticals' => null, |
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// extra HTML classes added to the DOM of the diff container |
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'wrapperClasses' => ['diff-wrapper'], |
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]; |
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} |
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public function getDiff(string $oldText, string $newText): string |
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{ |
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//echo CliColor::color("$diffStyle Diff\n============", $this->colorStyles['section']) . "\n\n"; |
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$unifiedResult = DiffHelper::calculate( |
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$oldText, |
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$newText, |
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$this->diffStyle, |
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$this->diffOptions, |
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$this->rendererOptions, |
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); |
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return $unifiedResult . "\n\n"; |
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} |
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} |
Dispositif /
Wikibot
