<?php declare(strict_types=1);
/**
* @package s9e\TextFormatter
* @copyright Copyright (c) 2010-2021 The s9e authors
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
namespace s9e\TextFormatter\Configurator\TemplateChecks;
use DOMElement;
use RuntimeException;
class DisallowUnsupportedXSL extends AbstractXSLSupportCheck
{
protected $supportedElements = ['apply-templates', 'attribute', 'choose', 'comment', 'copy-of', 'element', 'for-each', 'if', 'number', 'otherwise', 'processing-instruction', 'sort', 'text', 'value-of', 'variable', 'when'];
protected $supportedFunctions = ['boolean', 'ceiling', 'concat', 'contains', 'count', 'current', 'document', 'element-available', 'false', 'floor', 'format-number', 'function-available', 'generate-id', 'id', 'key', 'lang', 'last', 'local-name', 'name', 'namespace-uri', 'normalize-space', 'not', 'number', 'position', 'round', 'starts-with', 'string', 'string-length', 'substring', 'substring-after', 'substring-before', 'sum', 'system-property', 'translate', 'true', 'unparsed-entity-uri'];
protected function checkXslApplyTemplatesElement(DOMElement $applyTemplates): void
{
if ($applyTemplates->hasAttribute('mode'))
{
throw new RuntimeException('xsl:apply-templates elements do not support the mode attribute');
}
}
protected function checkXslCopyOfElement(DOMElement $copyOf): void
{
$this->requireAttribute($copyOf, 'select');
}
protected function checkXslAttributeElement(DOMElement $attribute): void
{
$this->requireAttribute($attribute, 'name');
$attrName = $attribute->getAttribute('name');
if (!preg_match('(^(?:\\{[^\\}]++\\}|[-.\\pL])++$)Du', $attrName))
{
throw new RuntimeException("Unsupported xsl:attribute name '" . $attrName . "'");
}
}
protected function checkXslElementElement(DOMElement $element): void
{
$this->requireAttribute($element, 'name');
$elName = $element->getAttribute('name');
if (!preg_match('(^(?:\\{[^\\}]++\\}|[-.\\pL])++(?::(?:\\{[^\\}]++\\}|[-.\\pL])++)?$)Du', $elName))
{
throw new RuntimeException("Unsupported xsl:element name '" . $elName . "'");
}
}
protected function checkXslIfElement(DOMElement $if): void
{
$this->requireAttribute($if, 'test');
}
protected function checkXslValueOfElement(DOMElement $valueOf): void
{
$this->requireAttribute($valueOf, 'select');
}
protected function checkXslVariableElement(DOMElement $variable): void
{
$this->requireAttribute($variable, 'name');
}
protected function checkXslWhenElement(DOMElement $when): void
{
$this->requireAttribute($when, 'test');
}
protected function requireAttribute(DOMElement $element, string $attrName)
{
if (!$element->hasAttribute($attrName))
{
throw new RuntimeException('xsl:' . $element->localName . ' elements require a ' . $attrName . ' attribute');
}
}
}