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160 lines
4.8 KiB
160 lines
4.8 KiB
<?php
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/*
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* This file is part of Twig.
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*
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* (c) 2010-2019 Fabien Potencier
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Twig\Extensions\Node;
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use Twig\Compiler;
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use Twig\Node\CheckToStringNode;
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use Twig\Node\Expression\AbstractExpression;
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use Twig\Node\Expression\ConstantExpression;
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use Twig\Node\Expression\FilterExpression;
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use Twig\Node\Expression\NameExpression;
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use Twig\Node\Expression\TempNameExpression;
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use Twig\Node\Node;
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use Twig\Node\PrintNode;
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/**
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* @author Fabien Potencier <[email protected]>
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*/
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class TransNode extends Node
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{
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public function __construct(Node $body, Node $plural = null, AbstractExpression $count = null, Node $notes = null, $lineno, $tag = null)
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{
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$nodes = ['body' => $body];
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if (null !== $count) {
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$nodes['count'] = $count;
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}
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if (null !== $plural) {
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$nodes['plural'] = $plural;
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}
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if (null !== $notes) {
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$nodes['notes'] = $notes;
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}
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parent::__construct($nodes, [], $lineno, $tag);
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}
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public function compile(Compiler $compiler)
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{
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$compiler->addDebugInfo($this);
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list($msg, $vars) = $this->compileString($this->getNode('body'));
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if ($this->hasNode('plural')) {
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list($msg1, $vars1) = $this->compileString($this->getNode('plural'));
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$vars = array_merge($vars, $vars1);
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}
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$function = $this->getTransFunction($this->hasNode('plural'));
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if ($this->hasNode('notes')) {
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$message = trim($this->getNode('notes')->getAttribute('data'));
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// line breaks are not allowed cause we want a single line comment
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$message = str_replace(["\n", "\r"], ' ', $message);
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$compiler->write("// notes: {$message}\n");
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}
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if ($vars) {
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$compiler
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->write('echo strtr('.$function.'(')
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->subcompile($msg)
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;
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if ($this->hasNode('plural')) {
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$compiler
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->raw(', ')
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->subcompile($msg1)
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->raw(', abs(')
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->subcompile($this->hasNode('count') ? $this->getNode('count') : null)
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->raw(')')
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;
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}
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$compiler->raw('), array(');
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foreach ($vars as $var) {
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if ('count' === $var->getAttribute('name')) {
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$compiler
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->string('%count%')
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->raw(' => abs(')
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->subcompile($this->hasNode('count') ? $this->getNode('count') : null)
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->raw('), ')
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;
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} else {
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$compiler
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->string('%'.$var->getAttribute('name').'%')
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->raw(' => ')
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->subcompile($var)
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->raw(', ')
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;
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}
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}
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$compiler->raw("));\n");
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} else {
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$compiler
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->write('echo '.$function.'(')
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->subcompile($msg)
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;
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if ($this->hasNode('plural')) {
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$compiler
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->raw(', ')
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->subcompile($msg1)
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->raw(', abs(')
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->subcompile($this->hasNode('count') ? $this->getNode('count') : null)
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->raw(')')
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;
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}
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$compiler->raw(");\n");
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}
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}
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private function compileString(Node $body): array
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{
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if ($body instanceof NameExpression || $body instanceof ConstantExpression || $body instanceof TempNameExpression) {
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return [$body, []];
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}
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$vars = [];
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if (\count($body)) {
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$msg = '';
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foreach ($body as $node) {
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if ($node instanceof PrintNode) {
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$n = $node->getNode('expr');
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while ($n instanceof FilterExpression) {
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$n = $n->getNode('node');
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}
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while ($n instanceof CheckToStringNode) {
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$n = $n->getNode('expr');
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}
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$msg .= sprintf('%%%s%%', $n->getAttribute('name'));
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$vars[] = new NameExpression($n->getAttribute('name'), $n->getTemplateLine());
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} else {
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$msg .= $node->getAttribute('data');
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}
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}
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} else {
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$msg = $body->getAttribute('data');
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}
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return [new Node([new ConstantExpression(trim($msg), $body->getTemplateLine())]), $vars];
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}
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private function getTransFunction(bool $plural): string
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{
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return $plural ? 'ngettext' : 'gettext';
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}
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}
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