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author | Nathan Guse <nathaniel.guse@gmail.com> | 2013-06-09 22:09:00 -0500 |
---|---|---|
committer | Nathan Guse <nathaniel.guse@gmail.com> | 2013-06-09 22:11:12 -0500 |
commit | 1da4be04b021af62e24f91bf0f82849c78bd04b9 (patch) | |
tree | bbc8ce3736cb22522f11615cb86b850705657927 /phpBB/includes/template | |
parent | 7ea0019a7167561b029ea727cf8be2e8f490dda7 (diff) | |
download | forums-1da4be04b021af62e24f91bf0f82849c78bd04b9.tar forums-1da4be04b021af62e24f91bf0f82849c78bd04b9.tar.gz forums-1da4be04b021af62e24f91bf0f82849c78bd04b9.tar.bz2 forums-1da4be04b021af62e24f91bf0f82849c78bd04b9.tar.xz forums-1da4be04b021af62e24f91bf0f82849c78bd04b9.zip |
[feature/twig] WIP extension/lexer/some tokenparsers/nodes
PHPBB3-11598
Diffstat (limited to 'phpBB/includes/template')
-rw-r--r-- | phpBB/includes/template/twig/extension.php | 45 | ||||
-rw-r--r-- | phpBB/includes/template/twig/lexer.php | 42 | ||||
-rw-r--r-- | phpBB/includes/template/twig/node/begin.php | 77 | ||||
-rw-r--r-- | phpBB/includes/template/twig/tokenparser/begin.php | 71 | ||||
-rw-r--r-- | phpBB/includes/template/twig/tokenparser/event.php | 33 | ||||
-rw-r--r-- | phpBB/includes/template/twig/tokenparser/if.php | 94 | ||||
-rw-r--r-- | phpBB/includes/template/twig/tokenparser/include.php | 33 |
7 files changed, 395 insertions, 0 deletions
diff --git a/phpBB/includes/template/twig/extension.php b/phpBB/includes/template/twig/extension.php new file mode 100644 index 0000000000..29020fcf8e --- /dev/null +++ b/phpBB/includes/template/twig/extension.php @@ -0,0 +1,45 @@ +<?php +/** +* +* @package phpBB3 +* @copyright (c) 2013 phpBB Group +* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2 +* +*/ + +/** +* @ignore +*/ +if (!defined('IN_PHPBB')) +{ + exit; +} + +class phpbb_template_twig_extension extends Twig_Extension +{ + public function getName() + { + return 'phpbb'; + } + + public function getTokenParsers() + { + return array( + new phpbb_template_twig_tokenparser_if, + new phpbb_template_twig_tokenparser_include, + new phpbb_template_twig_tokenparser_event, + new phpbb_template_twig_tokenparser_begin, + ); + } + + public function getOperators() + { + return array( + array(), + array( + 'eq' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_Equal', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), + '!==' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_NotEqual', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT), + ), + ); + } +} diff --git a/phpBB/includes/template/twig/lexer.php b/phpBB/includes/template/twig/lexer.php new file mode 100644 index 0000000000..45b97acf8c --- /dev/null +++ b/phpBB/includes/template/twig/lexer.php @@ -0,0 +1,42 @@ +<?php +/** +* +* @package phpBB3 +* @copyright (c) 2013 phpBB Group +* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2 +* +*/ + +/** +* @ignore +*/ +if (!defined('IN_PHPBB')) +{ + exit; +} + +class phpbb_template_twig_lexer extends Twig_Lexer +{ + protected function lexExpression() + { + /** + * This is some compatibility code to continue supporting expressions such as: + * <!-- IF .blah --> + * + * This does not seem very efficient, but I have not been able to find a better + * method which works properly (maybe lexData can do it better, @todo test this) + */ + $last_element = end($this->tokens); + if ($last_element->getValue() === '.') + { + $last_element2 = prev($this->tokens); + + if ($last_element2->getValue() === 'IF') + { + array_pop($this->tokens); + } + } + + parent::lexExpression(); + } +} diff --git a/phpBB/includes/template/twig/node/begin.php b/phpBB/includes/template/twig/node/begin.php new file mode 100644 index 0000000000..1d47e35d87 --- /dev/null +++ b/phpBB/includes/template/twig/node/begin.php @@ -0,0 +1,77 @@ +<?php + +/* + * This file is part of Twig. + * + * (c) 2009 Fabien Potencier + * (c) 2009 Armin Ronacher + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +/** + * Represents a for node. + * + * @package twig + * @author Fabien Potencier <fabien.potencier@symfony-project.com> + */ +class phpbb_template_twig_node_begin extends Twig_Node +{ + public function __construct($beginName, Twig_NodeInterface $body, Twig_NodeInterface $else = null, $lineno, $tag = null) + { + parent::__construct(array('body' => $body, 'else' => $else), array('beginName' => $beginName), $lineno, $tag); + } + + /** + * Compiles the node to PHP. + * + * @param Twig_Compiler A Twig_Compiler instance + */ + public function compile(Twig_Compiler $compiler) + { + $compiler + ->write("if (!isset(\$blocks)) {\n") + ->indent() + ->write("\$blocks = array();") + ->write("\$nestingLevel = 0;") + ->outdent() + ->write("}\n") + ->write("\$blocks[\$nestingLevel] = array();\n") + ; + + if (null !== $this->getNode('else')) { + $compiler->write("\$blocks[\$nestingLevel]['iterated'] = false;\n"); + } + + $compiler + ->write("foreach (\$context['_phpbb_blocks']['") + ->write($this->getAttribute('beginName')) + ->write("'] as \$blocks[\$nestingLevel]['i'] => \$blocks[\$nestingLevel]['values']) {") + ->indent() + ; + + $compiler->subcompile($this->getNode('body')); + + if (null !== $this->getNode('else')) { + $compiler->write("\$blocks[\$nestingLevel]['iterated'] = true;\n"); + } + + $compiler + ->outdent() + ->write("}\n") + ; + + if (null !== $this->getNode('else')) { + $compiler + ->write("if (!\$blocks[\$nestingLevel]['iterated']) {\n") + ->indent() + ->subcompile($this->getNode('else')) + ->outdent() + ->write("}\n") + ; + } + + $compiler->write("\$nestingLevel--;\n"); + } +}
\ No newline at end of file diff --git a/phpBB/includes/template/twig/tokenparser/begin.php b/phpBB/includes/template/twig/tokenparser/begin.php new file mode 100644 index 0000000000..939f3b8f16 --- /dev/null +++ b/phpBB/includes/template/twig/tokenparser/begin.php @@ -0,0 +1,71 @@ +<?php + +/* + * This file is part of Twig. + * + * (c) 2009 Fabien Potencier + * (c) 2009 Armin Ronacher + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +/** + * Loops over each item of a sequence. + * + * <pre> + * <ul> + * {% for user in users %} + * <li>{{ user.username|e }}</li> + * {% endfor %} + * </ul> + * </pre> + */ +class phpbb_template_twig_tokenparser_begin extends Twig_TokenParser_For +{ + /** + * Parses a token and returns a node. + * + * @param Twig_Token $token A Twig_Token instance + * + * @return Twig_NodeInterface A Twig_NodeInterface instance + */ + public function parse(Twig_Token $token) + { + $lineno = $token->getLine(); + $beginName = $this->parser->getStream()->expect(Twig_Token::NAME_TYPE)->getValue(); + + $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE); + $body = $this->parser->subparse(array($this, 'decideBeginFork')); + if ($this->parser->getStream()->next()->getValue() == 'ELSE') { + $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE); + $else = $this->parser->subparse(array($this, 'decideBeginEnd'), true); + } else { + $else = null; + } + $this->parser->getStream()->expect(Twig_Token::NAME_TYPE, $beginName); + $this->parser->getStream()->expect(Twig_Token::BLOCK_END_TYPE); + + return new phpbb_template_twig_node_begin($beginName, $body, $else, $lineno, $this->getTag()); + } + + public function decideBeginFork(Twig_Token $token) + { + return $token->test(array('BEGINELSE', 'END')); + } + + public function decideForEnd(Twig_Token $token) + { + return $token->test('END'); + } + + /** + * Gets the tag name associated with this token parser. + * + * @return string The tag name + */ + public function getTag() + { + return 'BEGIN'; + } +} diff --git a/phpBB/includes/template/twig/tokenparser/event.php b/phpBB/includes/template/twig/tokenparser/event.php new file mode 100644 index 0000000000..cd211098d6 --- /dev/null +++ b/phpBB/includes/template/twig/tokenparser/event.php @@ -0,0 +1,33 @@ +<?php + +/* + * This file is part of Twig. + * + * (c) 2009 Fabien Potencier + * (c) 2009 Armin Ronacher + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +/** + * Includes a template. + * + * <pre> + * {% include 'header.html' %} + * Body + * {% include 'footer.html' %} + * </pre> + */ +class phpbb_template_twig_tokenparser_event extends Twig_TokenParser_Include +{ + /** + * Gets the tag name associated with this token parser. + * + * @return string The tag name + */ + public function getTag() + { + return 'EVENT'; + } +} diff --git a/phpBB/includes/template/twig/tokenparser/if.php b/phpBB/includes/template/twig/tokenparser/if.php new file mode 100644 index 0000000000..e47744093e --- /dev/null +++ b/phpBB/includes/template/twig/tokenparser/if.php @@ -0,0 +1,94 @@ +<?php + +/* + * This file is part of Twig. + * + * (c) 2009 Fabien Potencier + * (c) 2009 Armin Ronacher + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +/** + * Tests a condition. + * + * <pre> + * {% if users %} + * <ul> + * {% for user in users %} + * <li>{{ user.username|e }}</li> + * {% endfor %} + * </ul> + * {% endif %} + * </pre> + */ +class phpbb_template_twig_tokenparser_if extends Twig_TokenParser_If +{ + /** + * Parses a token and returns a node. + * + * @param Twig_Token $token A Twig_Token instance + * + * @return Twig_NodeInterface A Twig_NodeInterface instance + */ + public function parse(Twig_Token $token) + { + $lineno = $token->getLine(); + $expr = $this->parser->getExpressionParser()->parseExpression(); + $stream = $this->parser->getStream(); + $stream->expect(Twig_Token::BLOCK_END_TYPE); + $body = $this->parser->subparse(array($this, 'decideIfFork')); + $tests = array($expr, $body); + $else = null; + + $end = false; + while (!$end) { + switch ($stream->next()->getValue()) { + case 'ELSE': + $stream->expect(Twig_Token::BLOCK_END_TYPE); + $else = $this->parser->subparse(array($this, 'decideIfEnd')); + break; + + case 'ELSEIF': + $expr = $this->parser->getExpressionParser()->parseExpression(); + $stream->expect(Twig_Token::BLOCK_END_TYPE); + $body = $this->parser->subparse(array($this, 'decideIfFork')); + $tests[] = $expr; + $tests[] = $body; + break; + + case 'ENDIF': + $end = true; + break; + + default: + throw new Twig_Error_Syntax(sprintf('Unexpected end of template. Twig was looking for the following tags "ELSE", "ELSEIF", or "ENDIF" to close the "IF" block started at line %d)', $lineno), $stream->getCurrent()->getLine(), $stream->getFilename()); + } + } + + $stream->expect(Twig_Token::BLOCK_END_TYPE); + + return new Twig_Node_If(new Twig_Node($tests), $else, $lineno, $this->getTag()); + } + + public function decideIfFork(Twig_Token $token) + { + return $token->test(array('ELSEIF', 'ELSE', 'ENDIF')); + } + + public function decideIfEnd(Twig_Token $token) + { + return $token->test(array('ENDIF')); + } + + /** + * Gets the tag name associated with this token parser. + * + * @return string The tag name + */ + public function getTag() + { + return 'IF'; + } +} diff --git a/phpBB/includes/template/twig/tokenparser/include.php b/phpBB/includes/template/twig/tokenparser/include.php new file mode 100644 index 0000000000..d9421095d1 --- /dev/null +++ b/phpBB/includes/template/twig/tokenparser/include.php @@ -0,0 +1,33 @@ +<?php + +/* + * This file is part of Twig. + * + * (c) 2009 Fabien Potencier + * (c) 2009 Armin Ronacher + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +/** + * Includes a template. + * + * <pre> + * {% include 'header.html' %} + * Body + * {% include 'footer.html' %} + * </pre> + */ +class phpbb_template_twig_tokenparser_include extends Twig_TokenParser_Include +{ + /** + * Gets the tag name associated with this token parser. + * + * @return string The tag name + */ + public function getTag() + { + return 'INCLUDE'; + } +} |