71 lines
2.9 KiB
PHP
71 lines
2.9 KiB
PHP
<?php
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namespace Picea\ControlStructure;
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class SectionToken implements ControlStructure {
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public array $token = [ "section", "endsection" ];
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public function parse(\Picea\Compiler\Context &$context, ?string $arguments, string $token) {
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switch($token) {
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case "section":
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return $this->printSection($context, $arguments);
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case "endsection":
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if ( empty($context->sections) ) {
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throw new \RuntimeException("A section closing tag {% endsection %} was found without an opening {% section %} tag");
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}
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return $this->printEndSection($context);
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}
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}
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protected function printSection($context, ?string $arguments) : string
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{
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list($name, $options) = array_pad(explode(',', $arguments, 2), 2, null);
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if ( $options ?? false ) {
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$options = eval("return $options;");
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}
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if ( ! ctype_alnum(str_replace([".", "\"", "'", "-", "_"], "", $name)) ) {
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throw new \RuntimeException("Your section named `{$name}` contains invalid character. Allowed are only letters, numbers, dashes, underscores and dots");
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}
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$context->sections[] = [
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'name' => $name,
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'options' => $options,
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];
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$action = $options['action'] ?? "default";
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if (! in_array($action, ['prepend', 'append', 'default'])) {
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throw new \RuntimeException("An unsupported action `$action` was given as an option of a {% section %} tag");
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}
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$order = $options['order'] ?? "count(\$___class__template->sectionList[$name]['$action'])";
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return "<?php \$___class__template->sectionList[$name] ??= [ 'prepend' => [], 'append' => [], 'default' => [] ];".
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"\$___class__template->sectionList[$name]['$action'][] = [
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'order' => $order,
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'callback' => function() use (\$picea, \$___class__template, \$___global_variables, \$___variables, \$__event) {".
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"extract(\$___global_variables); extract(\$___variables, \EXTR_OVERWRITE);
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\$___class__template->sectionStack[] = $name;
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\$__event->eventExecute(\Picea\Event\Builder\ClassTemplateRenderSection::class, $name);?>";
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}
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protected function printEndSection($context) : string
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{
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$section = array_pop($context->sections);
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$build = $context->extendFrom ? "!empty(\$___class__template->sectionStack) && \$___class__template->renderSection({$section['name']}, false);" : "\$___class__template->renderSection({$section['name']}, false);";
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return <<<PHP
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<?php
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\$__event->eventExecute(\Picea\Event\Builder\ClassTemplateRenderSectionDone::class, {$section['name']});
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array_pop(\$___class__template->sectionStack); }];
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$build
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?>
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PHP;
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}
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} |