Add BBCode Language Support

src/Highlighter.php

@@ -7,6 +7,7 @@
 use ReflectionClass;
 use Tempest\Highlight\Languages\Base\Injections\GutterInjection;
 use Tempest\Highlight\Languages\Bash\BashLanguage;
+use Tempest\Highlight\Languages\BBCode\BBCodeLanguage;
 use Tempest\Highlight\Languages\Blade\BladeLanguage;
 use Tempest\Highlight\Languages\Css\CssLanguage;
 use Tempest\Highlight\Languages\Diff\DiffLanguage;
@@ -54,6 +55,7 @@ final class Highlighter
     public function __construct(private readonly Theme $theme = new CssTheme())
     {
         $this->addLanguage(new BashLanguage())
+            ->addLanguage(new BBCodeLanguage())
             ->addLanguage(new BladeLanguage())
             ->addLanguage(new CssLanguage())
             ->addLanguage(new DiffLanguage())

src/Languages/BBCode/BBCodeLanguage.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tempest\Highlight\Languages\BBCode;
+
+use Override;
+use Tempest\Highlight\Languages\Base\BaseLanguage;
+use Tempest\Highlight\Languages\BBCode\Patterns\BBCodeAttributePattern;
+use Tempest\Highlight\Languages\BBCode\Patterns\BBCodeCloseTagPattern;
+use Tempest\Highlight\Languages\BBCode\Patterns\BBCodeTagPattern;
+
+class BBCodeLanguage extends BaseLanguage
+{
+    public function getName(): string
+    {
+        return 'bbcode';
+    }
+
+    #[Override]
+    public function getPatterns(): array
+    {
+        return [
+            ...parent::getPatterns(),
+            new BBCodeAttributePattern(),
+            new BBCodeTagPattern(),
+            new BBCodeCloseTagPattern(),
+        ];
+    }
+}

src/Languages/BBCode/Patterns/BBCodeAttributePattern.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tempest\Highlight\Languages\BBCode\Patterns;
+
+use Tempest\Highlight\IsPattern;
+use Tempest\Highlight\Pattern;
+use Tempest\Highlight\PatternTest;
+use Tempest\Highlight\Tokens\TokenTypeEnum;
+
+#[PatternTest(input: '[url=http://example.com]link[/url]', output: 'http://example.com')]
+#[PatternTest(input: '[color=#ff0000]red[/color]', output: '#ff0000')]
+#[PatternTest(input: '[size=14]text[/size]', output: '14')]
+#[PatternTest(input: '[quote=John]hello[/quote]', output: 'John')]
+#[PatternTest(input: '[b]no attribute[/b]', output: null)]
+final readonly class BBCodeAttributePattern implements Pattern
+{
+    use IsPattern;
+
+    public function getPattern(): string
+    {
+        return '\[\w+=(?<match>[^\]]+)\]';
+    }
+
+    public function getTokenType(): TokenTypeEnum
+    {
+        return TokenTypeEnum::ATTRIBUTE;
+    }
+}

src/Languages/BBCode/Patterns/BBCodeCloseTagPattern.php

@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tempest\Highlight\Languages\BBCode\Patterns;
+
+use Tempest\Highlight\IsPattern;
+use Tempest\Highlight\Pattern;
+use Tempest\Highlight\PatternTest;
+use Tempest\Highlight\Tokens\TokenTypeEnum;
+
+#[PatternTest(input: '[/b]', output: 'b')]
+#[PatternTest(input: '[/url]', output: 'url')]
+#[PatternTest(input: '[/code]', output: 'code')]
+#[PatternTest(input: '[/quote]', output: 'quote')]
+final readonly class BBCodeCloseTagPattern implements Pattern
+{
+    use IsPattern;
+
+    public function getPattern(): string
+    {
+        return '\[\/(?<match>[a-zA-Z]+)\]';
+    }
+
+    public function getTokenType(): TokenTypeEnum
+    {
+        return TokenTypeEnum::KEYWORD;
+    }
+}

src/Languages/BBCode/Patterns/BBCodeTagPattern.php

@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tempest\Highlight\Languages\BBCode\Patterns;
+
+use Tempest\Highlight\IsPattern;
+use Tempest\Highlight\Pattern;
+use Tempest\Highlight\PatternTest;
+use Tempest\Highlight\Tokens\TokenTypeEnum;
+
+#[PatternTest(input: '[b]bold text[/b]', output: 'b')]
+#[PatternTest(input: '[url=http://example.com]link[/url]', output: 'url')]
+#[PatternTest(input: '[img]image.png[/img]', output: 'img')]
+#[PatternTest(input: '[*]list item', output: '*')]
+#[PatternTest(input: '[color=#ff0000]red[/color]', output: 'color')]
+#[PatternTest(input: '[list]', output: 'list')]
+final readonly class BBCodeTagPattern implements Pattern
+{
+    use IsPattern;
+
+    public function getPattern(): string
+    {
+        return '\[(?<match>[a-zA-Z\*]+)[\]=]';
+    }
+
+    public function getTokenType(): TokenTypeEnum
+    {
+        return TokenTypeEnum::KEYWORD;
+    }
+}

tests/Bench/Fixtures/bbcode.txt

@@ -0,0 +1,29 @@
+[b]Bold text[/b]
+[i]Italic text[/i]
+[u]Underlined text[/u]
+[s]Strikethrough[/s]
+
+[url=http://example.com]Click here[/url]
+[img]http://example.com/image.png[/img]
+
+[color=#ff0000]Red text[/color]
+[size=18]Big text[/size]
+
+[quote=John]
+This is a quoted message.
+[/quote]
+
+[code]
+echo "Hello World";
+[/code]
+
+[list]
+[*]First item
+[*]Second item
+[*]Third item
+[/list]
+
+[table]
+[tr][th]Header[/th][th]Header 2[/th][/tr]
+[tr][td]Cell 1[/td][td]Cell 2[/td][/tr]
+[/table]

tests/Bench/HighlighterBench.php

@@ -18,6 +18,7 @@ final class HighlighterBench
 
     public const array LANGUAGES = [
         'bash' => 'bash.txt',
+        'bbcode' => 'bbcode.txt',
         'blade' => 'blade.txt',
         'css' => 'css.txt',
         'diff' => 'diff.txt',

tests/Languages/BBCode/BBCodeLanguageTest.php

@@ -0,0 +1,78 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tempest\Highlight\Tests\Languages\BBCode;
+
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\TestCase;
+use Tempest\Highlight\Highlighter;
+
+class BBCodeLanguageTest extends TestCase
+{
+    #[DataProvider('provide_highlight_cases')]
+    public function test_highlight(string $content, string $expected): void
+    {
+        $highlighter = new Highlighter();
+
+        $this->assertSame(
+            $expected,
+            $highlighter->parse($content, 'bbcode'),
+        );
+    }
+
+    public static function provide_highlight_cases(): iterable
+    {
+        return [
+            [<<<'TXT'
+[b]Hello World[/b]
+[i]italic text[/i]
+[u]underlined[/u]
+[s]strikethrough[/s]
+TXT,
+            <<<'TXT'
+[<span class="hl-keyword">b</span>]Hello World[/<span class="hl-keyword">b</span>]
+[<span class="hl-keyword">i</span>]italic text[/<span class="hl-keyword">i</span>]
+[<span class="hl-keyword">u</span>]underlined[/<span class="hl-keyword">u</span>]
+[<span class="hl-keyword">s</span>]strikethrough[/<span class="hl-keyword">s</span>]
+TXT],
+
+            [<<<'TXT'
+[url=http://example.com]Click here[/url]
+[color=#ff0000]Red text[/color]
+[size=18]Big text[/size]
+[quote=John]Hello there[/quote]
+TXT,
+            <<<'TXT'
+[<span class="hl-keyword">url</span>=<span class="hl-attribute">http://example.com</span>]Click here[/<span class="hl-keyword">url</span>]
+[<span class="hl-keyword">color</span>=<span class="hl-attribute">#ff0000</span>]Red text[/<span class="hl-keyword">color</span>]
+[<span class="hl-keyword">size</span>=<span class="hl-attribute">18</span>]Big text[/<span class="hl-keyword">size</span>]
+[<span class="hl-keyword">quote</span>=<span class="hl-attribute">John</span>]Hello there[/<span class="hl-keyword">quote</span>]
+TXT],
+
+            [<<<'TXT'
+[list]
+[*]First item
+[*]Second item
+[*]Third item
+[/list]
+TXT,
+            <<<'TXT'
+[<span class="hl-keyword">list</span>]
+[<span class="hl-keyword">*</span>]First item
+[<span class="hl-keyword">*</span>]Second item
+[<span class="hl-keyword">*</span>]Third item
+[/<span class="hl-keyword">list</span>]
+TXT],
+
+            [<<<'TXT'
+[img]http://example.com/image.png[/img]
+[code]echo "hello";[/code]
+TXT,
+            <<<'TXT'
+[<span class="hl-keyword">img</span>]http://example.com/image.png[/<span class="hl-keyword">img</span>]
+[<span class="hl-keyword">code</span>]echo &quot;hello&quot;;[/<span class="hl-keyword">code</span>]
+TXT],
+        ];
+    }
+}