Parser::getTemplate()   A
last analyzed

Complexity

Conditions 1
Paths 1

Size

Total Lines 3
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 1
eloc 1
nc 1
nop 0
dl 0
loc 3
rs 10
c 0
b 0
f 0
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<?php
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/**
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 * Platine Template
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 *
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 * Platine Template is a template engine that has taken a lot of inspiration from Django.
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 *
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 * This content is released under the MIT License (MIT)
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 *
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 * Copyright (c) 2020 Platine Template
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 * Copyright (c) 2014 Guz Alexander, http://guzalexander.com
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 * Copyright (c) 2011, 2012 Harald Hanek, http://www.delacap.com
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 * Copyright (c) 2006 Mateo Murphy
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * in the Software without restriction, including without limitation the rights
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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 * copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in all
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 * copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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 * SOFTWARE.
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 */
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/**
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 *  @file Parser.php
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 *
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 *  The Template parser class
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 *
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 *  @package    Platine\Template\Parser
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 *  @author Platine Developers Team
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 *  @copyright  Copyright (c) 2020
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 *  @license    http://opensource.org/licenses/MIT  MIT License
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 *  @link   https://www.platine-php.com
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 *  @version 1.0.0
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 *  @filesource
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 */
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declare(strict_types=1);
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namespace Platine\Template\Parser;
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use Platine\Template\Configuration;
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use Platine\Template\Loader\LoaderInterface;
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use Platine\Template\Template;
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/**
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 * @class Parser
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 * @package Platine\Template\Parser
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 */
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class Parser
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{
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    /**
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     * The root of the node tree
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     * @var Document
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     */
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    protected Document $root;
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    /**
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     * Create new instance
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     * @param Template $template
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     */
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    public function __construct(protected Template $template)
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    {
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    }
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    /**
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     * Return the template instance
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     * @return Template
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     */
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    public function getTemplate(): Template
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    {
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        return $this->template;
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    }
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    /**
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     * Return the Loader instance
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     * @return LoaderInterface
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     */
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    public function getLoader(): LoaderInterface
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    {
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        return $this->template->getLoader();
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    }
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    /**
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     * Return the configuration instance
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     * @return Configuration
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     */
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    public function getConfig(): Configuration
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    {
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        return $this->template->getConfig();
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    }
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    /**
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     * Return the document instance
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     * @return Document
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     */
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    public function getRoot(): Document
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    {
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        return $this->root;
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    }
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    /**
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    * Parse the template source and use the cached
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    * content if is available
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    * @param string $name
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    * @return $this
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    */
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    public function parse(string $name): self
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    {
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        $hash = md5($name);
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        /** @var Document|false $root */
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        $root = $this->template->getCache()->read($hash, true);
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        if ($root === false || ($root->hasIncludes())) {
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            $content = $this->getLoader()->read($name);
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            $tokens = $this->tokenize($content);
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            $this->root = new Document($tokens, $this);
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            $this->template->getCache()->write($hash, $this->root, true);
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        } else {
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            $this->root = $root;
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        }
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        return $this;
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    }
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    /**
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     * Render the template
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     * @param string $name the template name
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     * @param Context $context
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     * @return string
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     */
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    public function render(string $name, Context $context): string
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    {
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        return $this->parse($name)
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                    ->getRoot()
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                    ->render($context);
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    }
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    /**
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     * Render the template using string content
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     * @param string $content the template name
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     * @param Context $context
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     * @return string
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     */
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    public function renderString(string $content, Context $context): string
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    {
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        $tokens = $this->tokenize($content);
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        $this->root = new Document($tokens, $this);
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        return $this->getRoot()
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                    ->render($context);
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    }
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    /**
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     * Parser the given source string to tokens
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     * @param string $source
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     * @return array<int, mixed>
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     */
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    public function tokenize(string $source): array
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    {
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        if (empty($source)) {
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            return [];
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        }
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        $tokens = preg_split(
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            Token::TOKENIZATION_REGEXP,
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            $source,
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            -1,
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            PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE
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        );
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        return $tokens !== false ? $tokens : [];
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    }
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}
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