MERGE: Merge Neos.Fusion.Afx into collection

See #2878

Neos.Fusion.Afx/.gitignore

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+/vendor
+/Packages
+/composer.lock

Neos.Fusion.Afx/.styleci.yml

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+preset: psr2

Neos.Fusion.Afx/.travis.yml

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+language: php
+php:
+  - '7.2'
+  - '7.3'
+  - '7.4'
+script: composer test

Neos.Fusion.Afx/Classes/Dsl/AfxDslImplementation.php

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+<?php
+namespace Neos\Fusion\Afx\Dsl;
+
+/*
+ * This file is part of the Neos.Fusion.Afx package.
+ *
+ * (c) Contributors of the Neos Project - www.neos.io
+ *
+ * This package is Open Source Software. For the full copyright and license
+ * information, please view the LICENSE file which was distributed with this
+ * source code.
+ */
+
+use Neos\Flow\Annotations as Flow;
+use Neos\Fusion;
+use Neos\Fusion\Core\DslInterface;
+use Neos\Fusion\Afx\Service\AfxService;
+use Neos\Fusion\Afx\Exception\AfxException;
+
+/**
+ * Class Fusion AFX Dsl
+ *
+ * @Flow\Scope("singleton")
+ */
+class AfxDslImplementation implements DslInterface
+{
+
+    /**
+     * Transpile the given dsl-code to fusion-code
+     *
+     * @param string $code
+     * @return string
+     * @throws Fusion\Exception
+     */
+    public function transpile($code)
+    {
+        try {
+            return AfxService::convertAfxToFusion($code);
+        } catch (AfxException $afxException) {
+            throw new Fusion\Exception(sprintf('Error during AFX-parsing: %s', $afxException->getMessage()));
+        }
+    }
+}

Neos.Fusion.Afx/Classes/Exception/AfxException.php

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+<?php
+namespace Neos\Fusion\Afx\Exception;
+
+/*
+ * This file is part of the Neos.Fusion.Afx package.
+ *
+ * (c) Contributors of the Neos Project - www.neos.io
+ *
+ * This package is Open Source Software. For the full copyright and license
+ * information, please view the LICENSE file which was distributed with this
+ * source code.
+ */
+
+/**
+ * Class AfxException
+ * @package Neos\Fusion\Afx\Exception
+ */
+class AfxException extends \Exception
+{
+}

Neos.Fusion.Afx/Classes/Parser/AfxParserException.php

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+<?php
+declare(strict_types=1);
+
+namespace Neos\Fusion\Afx\Parser;
+
+/*
+ * This file is part of the Neos.Fusion.Afx package.
+ *
+ * (c) Contributors of the Neos Project - www.neos.io
+ *
+ * This package is Open Source Software. For the full copyright and license
+ * information, please view the LICENSE file which was distributed with this
+ * source code.
+ */
+
+/**
+ * Class AfxParserException
+ * @package Neos\Fusion\Afx\Parser
+ */
+class AfxParserException extends \Exception
+{
+}

Neos.Fusion.Afx/Classes/Parser/Expression/Comment.php

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+<?php
+declare(strict_types=1);
+
+namespace Neos\Fusion\Afx\Parser\Expression;
+
+/*
+ * This file is part of the Neos.Fusion.Afx package.
+ *
+ * (c) Contributors of the Neos Project - www.neos.io
+ *
+ * This package is Open Source Software. For the full copyright and license
+ * information, please view the LICENSE file which was distributed with this
+ * source code.
+ */
+
+use Neos\Fusion\Afx\Parser\AfxParserException;
+use Neos\Fusion\Afx\Parser\Lexer;
+
+/**
+ * Class Expression
+ * @package Neos\Fusion\Afx\Parser\Expression
+ */
+class Comment
+{
+    /**
+     * @param Lexer $lexer
+     * @return string
+     * @throws AfxParserException
+     */
+    public static function parse(Lexer $lexer)
+    {
+        if ($lexer->isOpeningBracket() && $lexer->peek(4) === '<!--') {
+            $lexer->consume();
+            $lexer->consume();
+            $lexer->consume();
+            $lexer->consume();
+        } else {
+            throw new AfxParserException(sprintf('Unexpected comment start'));
+        }
+        $currentComment = '';
+        while (true) {
+            if ($lexer->isMinus() && $lexer->peek(3) === '-->') {
+                $lexer->consume();
+                $lexer->consume();
+                $lexer->consume();
+                return $currentComment;
+            }
+            if ($lexer->isEnd()) {
+                throw new AfxParserException(sprintf('Comment not closed.'));
+            }
+            $currentComment .= $lexer->consume();
+        }
+    }
+}

Neos.Fusion.Afx/Classes/Parser/Expression/Expression.php

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+<?php
+declare(strict_types=1);
+
+namespace Neos\Fusion\Afx\Parser\Expression;
+
+/*
+ * This file is part of the Neos.Fusion.Afx package.
+ *
+ * (c) Contributors of the Neos Project - www.neos.io
+ *
+ * This package is Open Source Software. For the full copyright and license
+ * information, please view the LICENSE file which was distributed with this
+ * source code.
+ */
+
+use Neos\Fusion\Afx\Parser\AfxParserException;
+use Neos\Fusion\Afx\Parser\Lexer;
+
+/**
+ * Class Expression
+ * @package Neos\Fusion\Afx\Parser\Expression
+ */
+class Expression
+{
+    /**
+     * @param Lexer $lexer
+     * @return string
+     * @throws AfxParserException
+     */
+    public static function parse(Lexer $lexer): string
+    {
+        $contents = '';
+        $braceCount = 0;
+
+        if ($lexer->isOpeningBrace()) {
+            $lexer->consume();
+        } else {
+            throw new AfxParserException('Expression without braces', 1557860467);
+        }
+
+        while (true) {
+            if ($lexer->isEnd()) {
+                throw new AfxParserException(sprintf('Unfinished Expression "%s"', $contents), 1557860496);
+            }
+
+            if ($lexer->isOpeningBrace()) {
+                $braceCount++;
+            }
+
+            if ($lexer->isClosingBrace()) {
+                if ($braceCount === 0) {
+                    $lexer->consume();
+                    return $contents;
+                }
+
+                $braceCount--;
+            }
+
+            $contents .= $lexer->consume();
+        }
+    }
+}

Neos.Fusion.Afx/Classes/Parser/Expression/Identifier.php

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+<?php
+declare(strict_types=1);
+
+namespace Neos\Fusion\Afx\Parser\Expression;
+
+/*
+ * This file is part of the Neos.Fusion.Afx package.
+ *
+ * (c) Contributors of the Neos Project - www.neos.io
+ *
+ * This package is Open Source Software. For the full copyright and license
+ * information, please view the LICENSE file which was distributed with this
+ * source code.
+ */
+
+use Neos\Fusion\Afx\Parser\AfxParserException;
+use Neos\Fusion\Afx\Parser\Lexer;
+
+/**
+ * Class Identifier
+ * @package Neos\Fusion\Afx\Parser\Expression
+ */
+class Identifier
+{
+    /**
+     * @param Lexer $lexer
+     * @return string
+     * @throws AfxParserException
+     */
+    public static function parse(Lexer $lexer): string
+    {
+        $identifier = '';
+
+        while (true) {
+            switch (true) {
+                case $lexer->isAlphaNumeric():
+                case $lexer->isDot():
+                case $lexer->isColon():
+                case $lexer->isMinus():
+                case $lexer->isUnderscore():
+                case $lexer->isAt():
+                    $identifier .= $lexer->consume();
+                    break;
+                case $lexer->isEqualSign():
+                case $lexer->isWhiteSpace():
+                case $lexer->isClosingBracket():
+                case $lexer->isForwardSlash():
+                    return $identifier;
+                    break;
+                default:
+                    $unexpected_character = $lexer->consume();
+                    throw new AfxParserException(sprintf(
+                        'Unexpected character "%s" in identifier "%s"',
+                        $unexpected_character,
+                        $identifier
+                    ), 1557860650);
+            }
+        }
+    }
+}