Initial attempt a switch to composer and PHP-8.1 compatibility

4 files changed, 0 insertions, 639 deletions

diff --git a/inc/lib/Twig/NodeVisitor/Escaper.php b/inc/lib/Twig/NodeVisitor/Escaper.php
deleted file mode 100644
index 1a1ae66f..00000000
--- a/inc/lib/Twig/NodeVisitor/Escaper.php
+++ /dev/null
@@ -1,154 +0,0 @@
-<?php
-
-/*
- * This file is part of Twig.
- *
- * (c) Fabien Potencier
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-/**
- * Twig_NodeVisitor_Escaper implements output escaping.
- *
- * @final
- *
- * @author Fabien Potencier <fabien@symfony.com>
- */
-class Twig_NodeVisitor_Escaper extends Twig_BaseNodeVisitor
-{
-    protected $statusStack = array();
-    protected $blocks = array();
-    protected $safeAnalysis;
-    protected $traverser;
-    protected $defaultStrategy = false;
-    protected $safeVars = array();
-
-    public function __construct()
-    {
-        $this->safeAnalysis = new Twig_NodeVisitor_SafeAnalysis();
-    }
-
-    protected function doEnterNode(Twig_Node $node, Twig_Environment $env)
-    {
-        if ($node instanceof Twig_Node_Module) {
-            if ($env->hasExtension('Twig_Extension_Escaper') && $defaultStrategy = $env->getExtension('Twig_Extension_Escaper')->getDefaultStrategy($node->getTemplateName())) {
-                $this->defaultStrategy = $defaultStrategy;
-            }
-            $this->safeVars = array();
-            $this->blocks = array();
-        } elseif ($node instanceof Twig_Node_AutoEscape) {
-            $this->statusStack[] = $node->getAttribute('value');
-        } elseif ($node instanceof Twig_Node_Block) {
-            $this->statusStack[] = isset($this->blocks[$node->getAttribute('name')]) ? $this->blocks[$node->getAttribute('name')] : $this->needEscaping($env);
-        } elseif ($node instanceof Twig_Node_Import) {
-            $this->safeVars[] = $node->getNode('var')->getAttribute('name');
-        }
-
-        return $node;
-    }
-
-    protected function doLeaveNode(Twig_Node $node, Twig_Environment $env)
-    {
-        if ($node instanceof Twig_Node_Module) {
-            $this->defaultStrategy = false;
-            $this->safeVars = array();
-            $this->blocks = array();
-        } elseif ($node instanceof Twig_Node_Expression_Filter) {
-            return $this->preEscapeFilterNode($node, $env);
-        } elseif ($node instanceof Twig_Node_Print) {
-            return $this->escapePrintNode($node, $env, $this->needEscaping($env));
-        }
-
-        if ($node instanceof Twig_Node_AutoEscape || $node instanceof Twig_Node_Block) {
-            array_pop($this->statusStack);
-        } elseif ($node instanceof Twig_Node_BlockReference) {
-            $this->blocks[$node->getAttribute('name')] = $this->needEscaping($env);
-        }
-
-        return $node;
-    }
-
-    protected function escapePrintNode(Twig_Node_Print $node, Twig_Environment $env, $type)
-    {
-        if (false === $type) {
-            return $node;
-        }
-
-        $expression = $node->getNode('expr');
-
-        if ($this->isSafeFor($type, $expression, $env)) {
-            return $node;
-        }
-
-        $class = get_class($node);
-
-        return new $class(
-            $this->getEscaperFilter($type, $expression),
-            $node->getTemplateLine()
-        );
-    }
-
-    protected function preEscapeFilterNode(Twig_Node_Expression_Filter $filter, Twig_Environment $env)
-    {
-        $name = $filter->getNode('filter')->getAttribute('value');
-
-        $type = $env->getFilter($name)->getPreEscape();
-        if (null === $type) {
-            return $filter;
-        }
-
-        $node = $filter->getNode('node');
-        if ($this->isSafeFor($type, $node, $env)) {
-            return $filter;
-        }
-
-        $filter->setNode('node', $this->getEscaperFilter($type, $node));
-
-        return $filter;
-    }
-
-    protected function isSafeFor($type, Twig_NodeInterface $expression, $env)
-    {
-        $safe = $this->safeAnalysis->getSafe($expression);
-
-        if (null === $safe) {
-            if (null === $this->traverser) {
-                $this->traverser = new Twig_NodeTraverser($env, array($this->safeAnalysis));
-            }
-
-            $this->safeAnalysis->setSafeVars($this->safeVars);
-
-            $this->traverser->traverse($expression);
-            $safe = $this->safeAnalysis->getSafe($expression);
-        }
-
-        return in_array($type, $safe) || in_array('all', $safe);
-    }
-
-    protected function needEscaping(Twig_Environment $env)
-    {
-        if (count($this->statusStack)) {
-            return $this->statusStack[count($this->statusStack) - 1];
-        }
-
-        return $this->defaultStrategy ? $this->defaultStrategy : false;
-    }
-
-    protected function getEscaperFilter($type, Twig_NodeInterface $node)
-    {
-        $line = $node->getTemplateLine();
-        $name = new Twig_Node_Expression_Constant('escape', $line);
-        $args = new Twig_Node(array(new Twig_Node_Expression_Constant((string) $type, $line), new Twig_Node_Expression_Constant(null, $line), new Twig_Node_Expression_Constant(true, $line)));
-
-        return new Twig_Node_Expression_Filter($node, $name, $args, $line);
-    }
-
-    public function getPriority()
-    {
-        return 0;
-    }
-}
-
-class_alias('Twig_NodeVisitor_Escaper', 'Twig\NodeVisitor\EscaperNodeVisitor', false);
diff --git a/inc/lib/Twig/NodeVisitor/Optimizer.php b/inc/lib/Twig/NodeVisitor/Optimizer.php
deleted file mode 100644
index c55e40ff..00000000
--- a/inc/lib/Twig/NodeVisitor/Optimizer.php
+++ /dev/null
@@ -1,253 +0,0 @@
-<?php
-
-/*
- * This file is part of Twig.
- *
- * (c) Fabien Potencier
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-/**
- * Twig_NodeVisitor_Optimizer tries to optimizes the AST.
- *
- * This visitor is always the last registered one.
- *
- * You can configure which optimizations you want to activate via the
- * optimizer mode.
- *
- * @final
- *
- * @author Fabien Potencier <fabien@symfony.com>
- */
-class Twig_NodeVisitor_Optimizer extends Twig_BaseNodeVisitor
-{
-    const OPTIMIZE_ALL = -1;
-    const OPTIMIZE_NONE = 0;
-    const OPTIMIZE_FOR = 2;
-    const OPTIMIZE_RAW_FILTER = 4;
-    const OPTIMIZE_VAR_ACCESS = 8;
-
-    protected $loops = array();
-    protected $loopsTargets = array();
-    protected $optimizers;
-    protected $prependedNodes = array();
-    protected $inABody = false;
-
-    /**
-     * @param int $optimizers The optimizer mode
-     */
-    public function __construct($optimizers = -1)
-    {
-        if (!is_int($optimizers) || $optimizers > (self::OPTIMIZE_FOR | self::OPTIMIZE_RAW_FILTER | self::OPTIMIZE_VAR_ACCESS)) {
-            throw new InvalidArgumentException(sprintf('Optimizer mode "%s" is not valid.', $optimizers));
-        }
-
-        $this->optimizers = $optimizers;
-    }
-
-    protected function doEnterNode(Twig_Node $node, Twig_Environment $env)
-    {
-        if (self::OPTIMIZE_FOR === (self::OPTIMIZE_FOR & $this->optimizers)) {
-            $this->enterOptimizeFor($node, $env);
-        }
-
-        if (PHP_VERSION_ID < 50400 && self::OPTIMIZE_VAR_ACCESS === (self::OPTIMIZE_VAR_ACCESS & $this->optimizers) && !$env->isStrictVariables() && !$env->hasExtension('Twig_Extension_Sandbox')) {
-            if ($this->inABody) {
-                if (!$node instanceof Twig_Node_Expression) {
-                    if ('Twig_Node' !== get_class($node)) {
-                        array_unshift($this->prependedNodes, array());
-                    }
-                } else {
-                    $node = $this->optimizeVariables($node, $env);
-                }
-            } elseif ($node instanceof Twig_Node_Body) {
-                $this->inABody = true;
-            }
-        }
-
-        return $node;
-    }
-
-    protected function doLeaveNode(Twig_Node $node, Twig_Environment $env)
-    {
-        $expression = $node instanceof Twig_Node_Expression;
-
-        if (self::OPTIMIZE_FOR === (self::OPTIMIZE_FOR & $this->optimizers)) {
-            $this->leaveOptimizeFor($node, $env);
-        }
-
-        if (self::OPTIMIZE_RAW_FILTER === (self::OPTIMIZE_RAW_FILTER & $this->optimizers)) {
-            $node = $this->optimizeRawFilter($node, $env);
-        }
-
-        $node = $this->optimizePrintNode($node, $env);
-
-        if (self::OPTIMIZE_VAR_ACCESS === (self::OPTIMIZE_VAR_ACCESS & $this->optimizers) && !$env->isStrictVariables() && !$env->hasExtension('Twig_Extension_Sandbox')) {
-            if ($node instanceof Twig_Node_Body) {
-                $this->inABody = false;
-            } elseif ($this->inABody) {
-                if (!$expression && 'Twig_Node' !== get_class($node) && $prependedNodes = array_shift($this->prependedNodes)) {
-                    $nodes = array();
-                    foreach (array_unique($prependedNodes) as $name) {
-                        $nodes[] = new Twig_Node_SetTemp($name, $node->getTemplateLine());
-                    }
-
-                    $nodes[] = $node;
-                    $node = new Twig_Node($nodes);
-                }
-            }
-        }
-
-        return $node;
-    }
-
-    protected function optimizeVariables(Twig_NodeInterface $node, Twig_Environment $env)
-    {
-        if ('Twig_Node_Expression_Name' === get_class($node) && $node->isSimple()) {
-            $this->prependedNodes[0][] = $node->getAttribute('name');
-
-            return new Twig_Node_Expression_TempName($node->getAttribute('name'), $node->getTemplateLine());
-        }
-
-        return $node;
-    }
-
-    /**
-     * Optimizes print nodes.
-     *
-     * It replaces:
-     *
-     *   * "echo $this->render(Parent)Block()" with "$this->display(Parent)Block()"
-     *
-     * @return Twig_NodeInterface
-     */
-    protected function optimizePrintNode(Twig_NodeInterface $node, Twig_Environment $env)
-    {
-        if (!$node instanceof Twig_Node_Print) {
-            return $node;
-        }
-
-        $exprNode = $node->getNode('expr');
-        if (
-            $exprNode instanceof Twig_Node_Expression_BlockReference ||
-            $exprNode instanceof Twig_Node_Expression_Parent
-        ) {
-            $exprNode->setAttribute('output', true);
-
-            return $exprNode;
-        }
-
-        return $node;
-    }
-
-    /**
-     * Removes "raw" filters.
-     *
-     * @return Twig_NodeInterface
-     */
-    protected function optimizeRawFilter(Twig_NodeInterface $node, Twig_Environment $env)
-    {
-        if ($node instanceof Twig_Node_Expression_Filter && 'raw' == $node->getNode('filter')->getAttribute('value')) {
-            return $node->getNode('node');
-        }
-
-        return $node;
-    }
-
-    /**
-     * Optimizes "for" tag by removing the "loop" variable creation whenever possible.
-     */
-    protected function enterOptimizeFor(Twig_NodeInterface $node, Twig_Environment $env)
-    {
-        if ($node instanceof Twig_Node_For) {
-            // disable the loop variable by default
-            $node->setAttribute('with_loop', false);
-            array_unshift($this->loops, $node);
-            array_unshift($this->loopsTargets, $node->getNode('value_target')->getAttribute('name'));
-            array_unshift($this->loopsTargets, $node->getNode('key_target')->getAttribute('name'));
-        } elseif (!$this->loops) {
-            // we are outside a loop
-            return;
-        }
-
-        // when do we need to add the loop variable back?
-
-        // the loop variable is referenced for the current loop
-        elseif ($node instanceof Twig_Node_Expression_Name && 'loop' === $node->getAttribute('name')) {
-            $node->setAttribute('always_defined', true);
-            $this->addLoopToCurrent();
-        }
-
-        // optimize access to loop targets
-        elseif ($node instanceof Twig_Node_Expression_Name && in_array($node->getAttribute('name'), $this->loopsTargets)) {
-            $node->setAttribute('always_defined', true);
-        }
-
-        // block reference
-        elseif ($node instanceof Twig_Node_BlockReference || $node instanceof Twig_Node_Expression_BlockReference) {
-            $this->addLoopToCurrent();
-        }
-
-        // include without the only attribute
-        elseif ($node instanceof Twig_Node_Include && !$node->getAttribute('only')) {
-            $this->addLoopToAll();
-        }
-
-        // include function without the with_context=false parameter
-        elseif ($node instanceof Twig_Node_Expression_Function
-            && 'include' === $node->getAttribute('name')
-            && (!$node->getNode('arguments')->hasNode('with_context')
-                 || false !== $node->getNode('arguments')->getNode('with_context')->getAttribute('value')
-               )
-        ) {
-            $this->addLoopToAll();
-        }
-
-        // the loop variable is referenced via an attribute
-        elseif ($node instanceof Twig_Node_Expression_GetAttr
-            && (!$node->getNode('attribute') instanceof Twig_Node_Expression_Constant
-                || 'parent' === $node->getNode('attribute')->getAttribute('value')
-               )
-            && (true === $this->loops[0]->getAttribute('with_loop')
-                || ($node->getNode('node') instanceof Twig_Node_Expression_Name
-                    && 'loop' === $node->getNode('node')->getAttribute('name')
-                   )
-               )
-        ) {
-            $this->addLoopToAll();
-        }
-    }
-
-    /**
-     * Optimizes "for" tag by removing the "loop" variable creation whenever possible.
-     */
-    protected function leaveOptimizeFor(Twig_NodeInterface $node, Twig_Environment $env)
-    {
-        if ($node instanceof Twig_Node_For) {
-            array_shift($this->loops);
-            array_shift($this->loopsTargets);
-            array_shift($this->loopsTargets);
-        }
-    }
-
-    protected function addLoopToCurrent()
-    {
-        $this->loops[0]->setAttribute('with_loop', true);
-    }
-
-    protected function addLoopToAll()
-    {
-        foreach ($this->loops as $loop) {
-            $loop->setAttribute('with_loop', true);
-        }
-    }
-
-    public function getPriority()
-    {
-        return 255;
-    }
-}
-
-class_alias('Twig_NodeVisitor_Optimizer', 'Twig\NodeVisitor\OptimizerNodeVisitor', false);
diff --git a/inc/lib/Twig/NodeVisitor/SafeAnalysis.php b/inc/lib/Twig/NodeVisitor/SafeAnalysis.php
deleted file mode 100644
index ca31c8fc..00000000
--- a/inc/lib/Twig/NodeVisitor/SafeAnalysis.php
+++ /dev/null
@@ -1,150 +0,0 @@
-<?php
-
-/*
- * This file is part of Twig.
- *
- * (c) Fabien Potencier
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-/**
- * @final
- */
-class Twig_NodeVisitor_SafeAnalysis extends Twig_BaseNodeVisitor
-{
-    protected $data = array();
-    protected $safeVars = array();
-
-    public function setSafeVars($safeVars)
-    {
-        $this->safeVars = $safeVars;
-    }
-
-    public function getSafe(Twig_NodeInterface $node)
-    {
-        $hash = spl_object_hash($node);
-        if (!isset($this->data[$hash])) {
-            return;
-        }
-
-        foreach ($this->data[$hash] as $bucket) {
-            if ($bucket['key'] !== $node) {
-                continue;
-            }
-
-            if (in_array('html_attr', $bucket['value'])) {
-                $bucket['value'][] = 'html';
-            }
-
-            return $bucket['value'];
-        }
-    }
-
-    protected function setSafe(Twig_NodeInterface $node, array $safe)
-    {
-        $hash = spl_object_hash($node);
-        if (isset($this->data[$hash])) {
-            foreach ($this->data[$hash] as &$bucket) {
-                if ($bucket['key'] === $node) {
-                    $bucket['value'] = $safe;
-
-                    return;
-                }
-            }
-        }
-        $this->data[$hash][] = array(
-            'key' => $node,
-            'value' => $safe,
-        );
-    }
-
-    protected function doEnterNode(Twig_Node $node, Twig_Environment $env)
-    {
-        return $node;
-    }
-
-    protected function doLeaveNode(Twig_Node $node, Twig_Environment $env)
-    {
-        if ($node instanceof Twig_Node_Expression_Constant) {
-            // constants are marked safe for all
-            $this->setSafe($node, array('all'));
-        } elseif ($node instanceof Twig_Node_Expression_BlockReference) {
-            // blocks are safe by definition
-            $this->setSafe($node, array('all'));
-        } elseif ($node instanceof Twig_Node_Expression_Parent) {
-            // parent block is safe by definition
-            $this->setSafe($node, array('all'));
-        } elseif ($node instanceof Twig_Node_Expression_Conditional) {
-            // intersect safeness of both operands
-            $safe = $this->intersectSafe($this->getSafe($node->getNode('expr2')), $this->getSafe($node->getNode('expr3')));
-            $this->setSafe($node, $safe);
-        } elseif ($node instanceof Twig_Node_Expression_Filter) {
-            // filter expression is safe when the filter is safe
-            $name = $node->getNode('filter')->getAttribute('value');
-            $args = $node->getNode('arguments');
-            if (false !== $filter = $env->getFilter($name)) {
-                $safe = $filter->getSafe($args);
-                if (null === $safe) {
-                    $safe = $this->intersectSafe($this->getSafe($node->getNode('node')), $filter->getPreservesSafety());
-                }
-                $this->setSafe($node, $safe);
-            } else {
-                $this->setSafe($node, array());
-            }
-        } elseif ($node instanceof Twig_Node_Expression_Function) {
-            // function expression is safe when the function is safe
-            $name = $node->getAttribute('name');
-            $args = $node->getNode('arguments');
-            $function = $env->getFunction($name);
-            if (false !== $function) {
-                $this->setSafe($node, $function->getSafe($args));
-            } else {
-                $this->setSafe($node, array());
-            }
-        } elseif ($node instanceof Twig_Node_Expression_MethodCall) {
-            if ($node->getAttribute('safe')) {
-                $this->setSafe($node, array('all'));
-            } else {
-                $this->setSafe($node, array());
-            }
-        } elseif ($node instanceof Twig_Node_Expression_GetAttr && $node->getNode('node') instanceof Twig_Node_Expression_Name) {
-            $name = $node->getNode('node')->getAttribute('name');
-            // attributes on template instances are safe
-            if ('_self' == $name || in_array($name, $this->safeVars)) {
-                $this->setSafe($node, array('all'));
-            } else {
-                $this->setSafe($node, array());
-            }
-        } else {
-            $this->setSafe($node, array());
-        }
-
-        return $node;
-    }
-
-    protected function intersectSafe(array $a = null, array $b = null)
-    {
-        if (null === $a || null === $b) {
-            return array();
-        }
-
-        if (in_array('all', $a)) {
-            return $b;
-        }
-
-        if (in_array('all', $b)) {
-            return $a;
-        }
-
-        return array_intersect($a, $b);
-    }
-
-    public function getPriority()
-    {
-        return 0;
-    }
-}
-
-class_alias('Twig_NodeVisitor_SafeAnalysis', 'Twig\NodeVisitor\SafeAnalysisNodeVisitor', false);
diff --git a/inc/lib/Twig/NodeVisitor/Sandbox.php b/inc/lib/Twig/NodeVisitor/Sandbox.php
deleted file mode 100644
index 71aa4f02..00000000
--- a/inc/lib/Twig/NodeVisitor/Sandbox.php
+++ /dev/null
@@ -1,82 +0,0 @@
-<?php
-
-/*
- * This file is part of Twig.
- *
- * (c) Fabien Potencier
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-/**
- * Twig_NodeVisitor_Sandbox implements sandboxing.
- *
- * @final
- *
- * @author Fabien Potencier <fabien@symfony.com>
- */
-class Twig_NodeVisitor_Sandbox extends Twig_BaseNodeVisitor
-{
-    protected $inAModule = false;
-    protected $tags;
-    protected $filters;
-    protected $functions;
-
-    protected function doEnterNode(Twig_Node $node, Twig_Environment $env)
-    {
-        if ($node instanceof Twig_Node_Module) {
-            $this->inAModule = true;
-            $this->tags = array();
-            $this->filters = array();
-            $this->functions = array();
-
-            return $node;
-        } elseif ($this->inAModule) {
-            // look for tags
-            if ($node->getNodeTag() && !isset($this->tags[$node->getNodeTag()])) {
-                $this->tags[$node->getNodeTag()] = $node;
-            }
-
-            // look for filters
-            if ($node instanceof Twig_Node_Expression_Filter && !isset($this->filters[$node->getNode('filter')->getAttribute('value')])) {
-                $this->filters[$node->getNode('filter')->getAttribute('value')] = $node;
-            }
-
-            // look for functions
-            if ($node instanceof Twig_Node_Expression_Function && !isset($this->functions[$node->getAttribute('name')])) {
-                $this->functions[$node->getAttribute('name')] = $node;
-            }
-
-            // the .. operator is equivalent to the range() function
-            if ($node instanceof Twig_Node_Expression_Binary_Range && !isset($this->functions['range'])) {
-                $this->functions['range'] = $node;
-            }
-
-            // wrap print to check __toString() calls
-            if ($node instanceof Twig_Node_Print) {
-                return new Twig_Node_SandboxedPrint($node->getNode('expr'), $node->getTemplateLine(), $node->getNodeTag());
-            }
-        }
-
-        return $node;
-    }
-
-    protected function doLeaveNode(Twig_Node $node, Twig_Environment $env)
-    {
-        if ($node instanceof Twig_Node_Module) {
-            $this->inAModule = false;
-
-            $node->setNode('display_start', new Twig_Node(array(new Twig_Node_CheckSecurity($this->filters, $this->tags, $this->functions), $node->getNode('display_start'))));
-        }
-
-        return $node;
-    }
-
-    public function getPriority()
-    {
-        return 0;
-    }
-}
-
-class_alias('Twig_NodeVisitor_Sandbox', 'Twig\NodeVisitor\SandboxNodeVisitor', false);