WB 2.08.x

07 May-2012 Build 1686 Werner v.d.Decken(DarkViper)

! some modifications concerning the new autoloader

+ Twig Template engine v.1.7.0

! unfinished change in installer

! some droplets actualisized

	 *  - Add field "admin_groups" to table "pages"

 */

	$table_name = TABLE_PREFIX.'pages';

	$field_name = 'tooltip';

	$description = "VARCHAR( 512 ) NOT NULL DEFAULT '' AFTER `page_icon`";

	echo "Modify field tooltip to pages table";

	echo ($database->field_modify($table_name, $field_name, $description) ? " $OK<br />" : " $FAIL!<br />");

	/**********************************************************

<?php

/*

 * This file is part of Twig.

 *

 * (c) 2010 Fabien Potencier

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

/**

 * Represents a method template test.

 *

 * @package    twig

 * @author     Fabien Potencier <fabien@symfony.com>

 */

class Twig_Test_Method implements Twig_TestInterface

{

    protected $extension, $method;

    public function __construct(Twig_ExtensionInterface $extension, $method)

    {

        $this->extension = $extension;

        $this->method = $method;

    }

    public function compile()

    {

        return sprintf('$this->env->getExtension(\'%s\')->%s', $this->extension->getName(), $this->method);

    }

}

<?php

/*

 * This file is part of Twig.

 *

 * (c) 2010 Fabien Potencier

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

/**

 * Represents a function template test.

 *

 * @package    twig

 * @author     Fabien Potencier <fabien@symfony.com>

 */

class Twig_Test_Function implements Twig_TestInterface

{

    protected $function;

    public function __construct($function)

    {

        $this->function = $function;

    }

    public function compile()

    {

        return $this->function;

    }

}

<?php

/*

 * This file is part of Twig.

 *

 * (c) 2010 Fabien Potencier

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

/**

 * Represents a template test as a Node.

 *

 * @package    twig

 * @author     Fabien Potencier <fabien@symfony.com>

 */

class Twig_Test_Node implements Twig_TestInterface

{

    protected $class;

    public function __construct($class)

    {

        $this->class = $class;

    }

    public function getClass()

    {

        return $this->class;

    }

    public function compile()

    {

    }

}

<?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.

 */

/**

 * Default parser implementation.

 *

 * @package twig

 * @author  Fabien Potencier <fabien@symfony.com>

 */

class Twig_Parser implements Twig_ParserInterface

{

    protected $stack = array();

    protected $stream;

    protected $parent;

    protected $handlers;

    protected $visitors;

    protected $expressionParser;

    protected $blocks;

    protected $blockStack;

    protected $macros;

    protected $env;

    protected $reservedMacroNames;

    protected $importedFunctions;

    protected $tmpVarCount;

    protected $traits;

    /**

     * Constructor.

     *

     * @param Twig_Environment $env A Twig_Environment instance

     */

    public function __construct(Twig_Environment $env)

    {

        $this->env = $env;

    }

    public function getEnvironment()

    {

        return $this->env;

    }

    public function getVarName()

    {

        return sprintf('__internal_%s_%d', substr($this->env->getTemplateClass($this->stream->getFilename()), strlen($this->env->getTemplateClassPrefix())), ++$this->tmpVarCount);

    }

    /**

     * Converts a token stream to a node tree.

     *

     * @param  Twig_TokenStream $stream A token stream instance

     *

     * @return Twig_Node_Module A node tree

     */

    public function parse(Twig_TokenStream $stream)

    {

        // push all variables into the stack to keep the current state of the parser

        $vars = get_object_vars($this);

        unset($vars['stack'], $vars['env'], $vars['handlers'], $vars['visitors'], $vars['expressionParser']);

        $this->stack[] = $vars;

        $this->tmpVarCount = 0;

        // tag handlers

        if (null === $this->handlers) {

            $this->handlers = $this->env->getTokenParsers();

            $this->handlers->setParser($this);

        }

        // node visitors

        if (null === $this->visitors) {

            $this->visitors = $this->env->getNodeVisitors();

        }

        if (null === $this->expressionParser) {

            $this->expressionParser = new Twig_ExpressionParser($this, $this->env->getUnaryOperators(), $this->env->getBinaryOperators());

        }

        $this->stream = $stream;

        $this->parent = null;

        $this->blocks = array();

        $this->macros = array();

        $this->traits = array();

        $this->blockStack = array();

        $this->importedFunctions = array(array());

        try {

            $body = $this->subparse(null);

            if (null !== $this->parent) {

                if (null === $body = $this->filterBodyNodes($body)) {

                    $body = new Twig_Node();

                }

            }

        } catch (Twig_Error_Syntax $e) {

            if (null === $e->getTemplateFile()) {

                $e->setTemplateFile($this->stream->getFilename());

            }

            throw $e;

        }

        $node = new Twig_Node_Module(new Twig_Node_Body(array($body)), $this->parent, new Twig_Node($this->blocks), new Twig_Node($this->macros), new Twig_Node($this->traits), $this->stream->getFilename());

        $traverser = new Twig_NodeTraverser($this->env, $this->visitors);

        $node = $traverser->traverse($node);

        // restore previous stack so previous parse() call can resume working

        foreach (array_pop($this->stack) as $key => $val) {

            $this->$key = $val;

        }

        return $node;

    }

    public function subparse($test, $dropNeedle = false)

    {

        $lineno = $this->getCurrentToken()->getLine();

        $rv = array();

        while (!$this->stream->isEOF()) {

            switch ($this->getCurrentToken()->getType()) {

                case Twig_Token::TEXT_TYPE:

                    $token = $this->stream->next();

                    $rv[] = new Twig_Node_Text($token->getValue(), $token->getLine());

                    break;

                case Twig_Token::VAR_START_TYPE:

                    $token = $this->stream->next();

                    $expr = $this->expressionParser->parseExpression();

                    $this->stream->expect(Twig_Token::VAR_END_TYPE);

                    $rv[] = new Twig_Node_Print($expr, $token->getLine());

                    break;

                case Twig_Token::BLOCK_START_TYPE:

                    $this->stream->next();

                    $token = $this->getCurrentToken();

                    if ($token->getType() !== Twig_Token::NAME_TYPE) {

                        throw new Twig_Error_Syntax('A block must start with a tag name', $token->getLine(), $this->stream->getFilename());

                    }

                    if (null !== $test && call_user_func($test, $token)) {

                        if ($dropNeedle) {

                            $this->stream->next();

                        }

                        if (1 === count($rv)) {

                            return $rv[0];

                        }

                        return new Twig_Node($rv, array(), $lineno);

                    }

                    $subparser = $this->handlers->getTokenParser($token->getValue());

                    if (null === $subparser) {

                        if (null !== $test) {

                            throw new Twig_Error_Syntax(sprintf('Unexpected tag name "%s" (expecting closing tag for the "%s" tag defined near line %s)', $token->getValue(), $test[0]->getTag(), $lineno), $token->getLine(), $this->stream->getFilename());

                        }

                        $message = sprintf('Unknown tag name "%s"', $token->getValue());

                        if ($alternatives = $this->env->computeAlternatives($token->getValue(), array_keys($this->env->getTags()))) {

                            $message = sprintf('%s. Did you mean "%s"', $message, implode('", "', $alternatives));

                        }

                        throw new Twig_Error_Syntax($message, $token->getLine(), $this->stream->getFilename());

                    }

                    $this->stream->next();

                    $node = $subparser->parse($token);

                    if (null !== $node) {

                        $rv[] = $node;

                    }

                    break;

                default:

                    throw new Twig_Error_Syntax('Lexer or parser ended up in unsupported state.', -1, $this->stream->getFilename());

            }

        }

        if (1 === count($rv)) {

            return $rv[0];

        }

        return new Twig_Node($rv, array(), $lineno);

    }

    public function addHandler($name, $class)

    {

        $this->handlers[$name] = $class;

    }

    public function addNodeVisitor(Twig_NodeVisitorInterface $visitor)

    {

        $this->visitors[] = $visitor;

    }

    public function getBlockStack()

    {

        return $this->blockStack;

    }

    public function peekBlockStack()

    {

        return $this->blockStack[count($this->blockStack) - 1];

    }

    public function popBlockStack()

    {

        array_pop($this->blockStack);

    }

    public function pushBlockStack($name)

    {

        $this->blockStack[] = $name;

    }

    public function hasBlock($name)

    {

        return isset($this->blocks[$name]);

    }

    public function getBlock($name)

    {

        return $this->blocks[$name];

    }

    public function setBlock($name, $value)

    {

        $this->blocks[$name] = new Twig_Node_Body(array($value), array(), $value->getLine());

    }

    public function hasMacro($name)

    {

        return isset($this->macros[$name]);

    }

    public function setMacro($name, Twig_Node_Macro $node)

    {

        if (null === $this->reservedMacroNames) {

            $this->reservedMacroNames = array();

            $r = new ReflectionClass($this->env->getBaseTemplateClass());

            foreach ($r->getMethods() as $method) {

                $this->reservedMacroNames[] = $method->getName();

            }

        }

        if (in_array($name, $this->reservedMacroNames)) {

            throw new Twig_Error_Syntax(sprintf('"%s" cannot be used as a macro name as it is a reserved keyword', $name), $node->getLine());

        }

        $this->macros[$name] = $node;

    }

    public function addTrait($trait)

    {

        $this->traits[] = $trait;

    }

    public function hasTraits()

    {

        return count($this->traits) > 0;

    }

    public function addImportedFunction($alias, $name, Twig_Node_Expression $node)

    {

        $this->importedFunctions[0][$alias] = array('name' => $name, 'node' => $node);

    }

    public function getImportedFunction($alias)

    {

        foreach ($this->importedFunctions as $functions) {

            if (isset($functions[$alias])) {

                return $functions[$alias];

            }

        }

    }

    public function isMainScope()

    {

        return 1 === count($this->importedFunctions);

    }

    public function pushLocalScope()

    {

        array_unshift($this->importedFunctions, array());

    }

    public function popLocalScope()

    {

        array_shift($this->importedFunctions);

    }

    /**

     * Gets the expression parser.

     *

     * @return Twig_ExpressionParser The expression parser

     */

    public function getExpressionParser()

    {

        return $this->expressionParser;

    }

    public function getParent()

    {

        return $this->parent;

    }

    public function setParent($parent)

    {

        $this->parent = $parent;

    }

    /**

     * Gets the token stream.

     *

     * @return Twig_TokenStream The token stream

     */

    public function getStream()

    {

        return $this->stream;

    }

    /**

     * Gets the current token.

     *

     * @return Twig_Token The current token

     */

    public function getCurrentToken()

    {

        return $this->stream->getCurrent();

    }

    protected function filterBodyNodes(Twig_NodeInterface $node)

    {

        // check that the body does not contain non-empty output nodes

        if (

            ($node instanceof Twig_Node_Text && !ctype_space($node->getAttribute('data')))

            ||

            (!$node instanceof Twig_Node_Text && !$node instanceof Twig_Node_BlockReference && $node instanceof Twig_NodeOutputInterface)

        ) {

            if (false !== strpos((string) $node, chr(0xEF).chr(0xBB).chr(0xBF))) {

                throw new Twig_Error_Syntax('A template that extends another one cannot have a body but a byte order mark (BOM) has been detected; it must be removed.', $node->getLine(), $this->stream->getFilename());

            }

            throw new Twig_Error_Syntax('A template that extends another one cannot have a body.', $node->getLine(), $this->stream->getFilename());

        }

        // bypass "set" nodes as they "capture" the output

        if ($node instanceof Twig_Node_Set) {

            return $node;

        }

        if ($node instanceof Twig_NodeOutputInterface) {

            return;

        }

        foreach ($node as $k => $n) {

            if (null !== $n && null === $n = $this->filterBodyNodes($n)) {

                $node->removeNode($k);

            }

        }

        return $node;

    }

}

<?php

/*

 * This file is part of Twig.

 *

 * (c) 2009 Fabien Potencier

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

/**

 * Interface implemented by extension classes.

 *

 * @package    twig

 * @author     Fabien Potencier <fabien@symfony.com>

 */

interface Twig_ExtensionInterface

{

    /**

     * Initializes the runtime environment.

     *

     * This is where you can load some file that contains filter functions for instance.

     *

     * @param Twig_Environment $environment The current Twig_Environment instance

     */

    function initRuntime(Twig_Environment $environment);

    /**

     * Returns the token parser instances to add to the existing list.

     *

     * @return array An array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances

     */

    function getTokenParsers();

    /**

     * Returns the node visitor instances to add to the existing list.

     *

     * @return array An array of Twig_NodeVisitorInterface instances

     */

    function getNodeVisitors();

    /**

     * Returns a list of filters to add to the existing list.

     *

     * @return array An array of filters

     */

    function getFilters();

    /**

     * Returns a list of tests to add to the existing list.

     *

     * @return array An array of tests

     */

    function getTests();

    /**

     * Returns a list of functions to add to the existing list.

     *

     * @return array An array of functions

     */

    function getFunctions();

    /**

     * Returns a list of operators to add to the existing list.

     *

     * @return array An array of operators

     */

    function getOperators();

    /**

     * Returns a list of global variables to add to the existing list.

     *

     * @return array An array of global variables

     */

    function getGlobals();

    /**

     * Returns the name of the extension.

     *

     * @return string The extension name

     */

    function getName();

}

<?php

/*

 * This file is part of Twig.

 *

 * (c) 2009 Fabien Potencier

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

/**

 * Base class for all token parsers.

 *

 * @package twig

 * @author  Fabien Potencier <fabien@symfony.com>

 */

abstract class Twig_TokenParser implements Twig_TokenParserInterface

{

    /**

     * @var Twig_Parser

     */

    protected $parser;

    /**

     * Sets the parser associated with this token parser

     *

     * @param $parser A Twig_Parser instance

     */

    public function setParser(Twig_Parser $parser)

    {

        $this->parser = $parser;

    }

}

<?php

/*

 * This file is part of Twig.

 *

 * (c) 2009 Fabien Potencier

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

/**

 * Represents an autoescape node.

 *

 * The value is the escaping strategy (can be html, js, ...)

 *

 * The true value is equivalent to html.

 *

 * If autoescaping is disabled, then the value is false.

 *

 * @package    twig

 * @author     Fabien Potencier <fabien@symfony.com>

 */

class Twig_Node_AutoEscape extends Twig_Node

{

    public function __construct($value, Twig_NodeInterface $body, $lineno, $tag = 'autoescape')

    {

        parent::__construct(array('body' => $body), array('value' => $value), $lineno, $tag);

    }

    /**

     * Compiles the node to PHP.

     *

     * @param Twig_Compiler A Twig_Compiler instance

     */

    public function compile(Twig_Compiler $compiler)

    {

        $compiler->subcompile($this->getNode('body'));

    }

}

<?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 block node.

 *

 * @package    twig

 * @author     Fabien Potencier <fabien@symfony.com>

 */

class Twig_Node_Block extends Twig_Node

{

    public function __construct($name, Twig_NodeInterface $body, $lineno, $tag = null)

    {

        parent::__construct(array('body' => $body), array('name' => $name), $lineno, $tag);

    }

    /**

     * Compiles the node to PHP.

     *

     * @param Twig_Compiler A Twig_Compiler instance

     */

    public function compile(Twig_Compiler $compiler)

    {

        $compiler

            ->addDebugInfo($this)

            ->write(sprintf("public function block_%s(\$context, array \$blocks = array())\n", $this->getAttribute('name')), "{\n")

            ->indent()

        ;

        $compiler

            ->subcompile($this->getNode('body'))

            ->outdent()

            ->write("}\n\n")

        ;

    }

}

<?php

/*

 * This file is part of Twig.

 *

 * (c) 2010 Fabien Potencier

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

/**

 * Represents a set node.

 *

 * @package    twig

 * @author     Fabien Potencier <fabien@symfony.com>

 */

class Twig_Node_Set extends Twig_Node

{

    public function __construct($capture, Twig_NodeInterface $names, Twig_NodeInterface $values, $lineno, $tag = null)

    {

        parent::__construct(array('names' => $names, 'values' => $values), array('capture' => $capture, 'safe' => false), $lineno, $tag);

        /*

         * Optimizes the node when capture is used for a large block of text.

         *

         * {% set foo %}foo{% endset %} is compiled to $context['foo'] = new Twig_Markup("foo");

         */

        if ($this->getAttribute('capture')) {

            $this->setAttribute('safe', true);

            $values = $this->getNode('values');

            if ($values instanceof Twig_Node_Text) {

                $this->setNode('values', new Twig_Node_Expression_Constant($values->getAttribute('data'), $values->getLine()));

                $this->setAttribute('capture', false);

            }

        }

    }

    /**

     * Compiles the node to PHP.

     *

     * @param Twig_Compiler A Twig_Compiler instance

     */

    public function compile(Twig_Compiler $compiler)

    {

        $compiler->addDebugInfo($this);

        if (count($this->getNode('names')) > 1) {

            $compiler->write('list(');

            foreach ($this->getNode('names') as $idx => $node) {

                if ($idx) {

                    $compiler->raw(', ');

                }

                $compiler->subcompile($node);

            }

            $compiler->raw(')');

        } else {

            if ($this->getAttribute('capture')) {

                $compiler

                    ->write("ob_start();\n")

                    ->subcompile($this->getNode('values'))

                ;

            }

            $compiler->subcompile($this->getNode('names'), false);

            if ($this->getAttribute('capture')) {

                $compiler->raw(" = ('' === \$tmp = ob_get_clean()) ? '' : new Twig_Markup(\$tmp, \$this->env->getCharset())");

            }

        }

        if (!$this->getAttribute('capture')) {

            $compiler->raw(' = ');

            if (count($this->getNode('names')) > 1) {

                $compiler->write('array(');

                foreach ($this->getNode('values') as $idx => $value) {

                    if ($idx) {

                        $compiler->raw(', ');

                    }

                    $compiler->subcompile($value);

                }

                $compiler->raw(')');

            } else {

                if ($this->getAttribute('safe')) {

                    $compiler

                        ->raw("('' === \$tmp = ")

                        ->subcompile($this->getNode('values'))

                        ->raw(") ? '' : new Twig_Markup(\$tmp, \$this->env->getCharset())")

                    ;

                } else {

                    $compiler->subcompile($this->getNode('values'));

                }

            }

        }

        $compiler->raw(";\n");

    }

}

<?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 node that outputs an expression.

 *

 * @package    twig

 * @author     Fabien Potencier <fabien@symfony.com>

 */

class Twig_Node_Print extends Twig_Node implements Twig_NodeOutputInterface

{

    public function __construct(Twig_Node_Expression $expr, $lineno, $tag = null)

    {

        parent::__construct(array('expr' => $expr), array(), $lineno, $tag);

    }

    /**

     * Compiles the node to PHP.

     *

     * @param Twig_Compiler A Twig_Compiler instance

     */

    public function compile(Twig_Compiler $compiler)

    {

        $compiler

            ->addDebugInfo($this)

            ->write('echo ')

            ->subcompile($this->getNode('expr'))

            ->raw(";\n")

        ;

    }

}

<?php

/*

 * This file is part of Twig.

 *

 * (c) 2011 Fabien Potencier

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

/**

 * Represents a body node.

 *

 * @package    twig

 * @author     Fabien Potencier <fabien@symfony.com>

 */

class Twig_Node_Body extends Twig_Node

{

}

<?php

/*

 * This file is part of Twig.

 *

 * (c) 2010 Fabien Potencier

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

/**

 * Represents a sandbox node.

 *

 * @package    twig

 * @author     Fabien Potencier <fabien@symfony.com>

 */

class Twig_Node_Sandbox extends Twig_Node

{

    public function __construct(Twig_NodeInterface $body, $lineno, $tag = null)

    {

        parent::__construct(array('body' => $body), array(), $lineno, $tag);

    }

    /**

     * Compiles the node to PHP.

     *

     * @param Twig_Compiler A Twig_Compiler instance

     */

    public function compile(Twig_Compiler $compiler)

    {

        $compiler

            ->addDebugInfo($this)

            ->write("\$sandbox = \$this->env->getExtension('sandbox');\n")

            ->write("if (!\$alreadySandboxed = \$sandbox->isSandboxed()) {\n")

            ->indent()

            ->write("\$sandbox->enableSandbox();\n")

            ->outdent()

            ->write("}\n")

            ->subcompile($this->getNode('body'))

            ->write("if (!\$alreadySandboxed) {\n")

            ->indent()

            ->write("\$sandbox->disableSandbox();\n")

            ->outdent()

            ->write("}\n")

        ;

    }

}

<?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 an if node.

 *

 * @package    twig

 * @author     Fabien Potencier <fabien@symfony.com>

 */

class Twig_Node_If extends Twig_Node

{

    public function __construct(Twig_NodeInterface $tests, Twig_NodeInterface $else = null, $lineno, $tag = null)

    {

        parent::__construct(array('tests' => $tests, 'else' => $else), array(), $lineno, $tag);

    }

    /**

     * Compiles the node to PHP.

     *

     * @param Twig_Compiler A Twig_Compiler instance

     */

    public function compile(Twig_Compiler $compiler)

    {

        $compiler->addDebugInfo($this);

        for ($i = 0; $i < count($this->getNode('tests')); $i += 2) {

            if ($i > 0) {

                $compiler

                    ->outdent()

                    ->write("} elseif (")

                ;

            } else {

                $compiler

                    ->write('if (')

                ;

            }

            $compiler

                ->subcompile($this->getNode('tests')->getNode($i))

                ->raw(") {\n")

                ->indent()

                ->subcompile($this->getNode('tests')->getNode($i + 1))

            ;

        }

        if ($this->hasNode('else') && null !== $this->getNode('else')) {

            $compiler

                ->outdent()

                ->write("} else {\n")

                ->indent()

                ->subcompile($this->getNode('else'))

            ;

        }

        $compiler

            ->outdent()

            ->write("}\n");

    }

}

<?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.

 */

/**

 * Abstract class for all nodes that represents an expression.

 *

 * @package    twig

 * @author     Fabien Potencier <fabien@symfony.com>

 */

abstract class Twig_Node_Expression extends Twig_Node

{

}

<?php

/*

 * This file is part of Twig.

 *

 * (c) 2009 Fabien Potencier

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

/**

 * Represents a macro node.

 *

 * @package    twig

 * @author     Fabien Potencier <fabien@symfony.com>

 */

class Twig_Node_Macro extends Twig_Node

{

    public function __construct($name, Twig_NodeInterface $body, Twig_NodeInterface $arguments, $lineno, $tag = null)

    {

        parent::__construct(array('body' => $body, 'arguments' => $arguments), array('name' => $name), $lineno, $tag);

    }

    /**

     * Compiles the node to PHP.

     *

     * @param Twig_Compiler A Twig_Compiler instance

     */

    public function compile(Twig_Compiler $compiler)

    {

        $arguments = array();

        foreach ($this->getNode('arguments') as $argument) {

            $arguments[] = '$'.$argument->getAttribute('name').' = null';

        }

        $compiler

            ->addDebugInfo($this)

            ->write(sprintf("public function get%s(%s)\n", $this->getAttribute('name'), implode(', ', $arguments)), "{\n")

            ->indent()

        ;

        if (!count($this->getNode('arguments'))) {

            $compiler->write("\$context = \$this->env->getGlobals();\n\n");

        } else {

            $compiler

                ->write("\$context = \$this->env->mergeGlobals(array(\n")

                ->indent()

            ;

            foreach ($this->getNode('arguments') as $argument) {

                $compiler

                    ->write('')

                    ->string($argument->getAttribute('name'))

                    ->raw(' => $'.$argument->getAttribute('name'))

                    ->raw(",\n")

                ;

            }

            $compiler

                ->outdent()

                ->write("));\n\n")

            ;

        }

        $compiler

            ->write("\$blocks = array();\n\n")

            ->write("ob_start();\n")

            ->write("try {\n")

            ->indent()

            ->subcompile($this->getNode('body'))

            ->outdent()

            ->write("} catch(Exception \$e) {\n")

            ->indent()

            ->write("ob_end_clean();\n\n")

            ->write("throw \$e;\n")

            ->outdent()

            ->write("}\n\n")

            ->write("return ob_get_clean();\n")

            ->outdent()

            ->write("}\n\n")

        ;

    }

}

<?php

/*

 * This file is part of Twig.

 *

 * (c) 2011 Fabien Potencier

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

/**

 * Represents a do node.

 *

 * @package    twig

 * @author     Fabien Potencier <fabien@symfony.com>

 */

class Twig_Node_Do extends Twig_Node

{

    public function __construct(Twig_Node_Expression $expr, $lineno, $tag = null)

    {

        parent::__construct(array('expr' => $expr), array(), $lineno, $tag);

    }

    /**

     * Compiles the node to PHP.

     *

     * @param Twig_Compiler A Twig_Compiler instance

     */

    public function compile(Twig_Compiler $compiler)

    {

        $compiler

            ->addDebugInfo($this)

            ->write('')

            ->subcompile($this->getNode('expr'))

            ->raw(";\n")

        ;

    }

}

<?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 block call node.

 *

 * @package    twig

 * @author     Fabien Potencier <fabien@symfony.com>

 */

class Twig_Node_BlockReference extends Twig_Node implements Twig_NodeOutputInterface

{

    public function __construct($name, $lineno, $tag = null)

    {

        parent::__construct(array(), array('name' => $name), $lineno, $tag);

    }

    /**

     * Compiles the node to PHP.

     *

     * @param Twig_Compiler A Twig_Compiler instance

     */

    public function compile(Twig_Compiler $compiler)

    {

        $compiler

            ->addDebugInfo($this)

            ->write(sprintf("\$this->displayBlock('%s', \$context, \$blocks);\n", $this->getAttribute('name')))

        ;

    }

}

<?php

/*

 * This file is part of Twig.

 *

 * (c) 2011 Fabien Potencier

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

/**

 * Checks if a variable is the exact same value as a constant.

 *

 * <pre>

 *  {% if post.status is constant('Post::PUBLISHED') %}

 *    the status attribute is exactly the same as Post::PUBLISHED

 *  {% endif %}

 * </pre>

 *

 * @package twig

 * @author  Fabien Potencier <fabien@symfony.com>

 */

class Twig_Node_Expression_Test_Constant extends Twig_Node_Expression_Test

{

    public function compile(Twig_Compiler $compiler)

    {

        $compiler

            ->raw('(')

            ->subcompile($this->getNode('node'))

            ->raw(' === constant(')

            ->subcompile($this->getNode('arguments')->getNode(0))

            ->raw('))')

        ;

    }

}

<?php