array(string=>const)) */ protected $styleFamilyMap = array( ezcDocumentOdt::NS_ODT_TEXT => array( 'h' => ezcDocumentOdtStyle::FAMILY_PARAGRAPH, 'p' => ezcDocumentOdtStyle::FAMILY_PARAGRAPH, 'span' => ezcDocumentOdtStyle::FAMILY_TEXT, ) ); /** * Maps ODT namespaces to style name attributes * * @var array(const=>array(const,string)) */ protected $styleNameAttributeMap = array( ezcDocumentOdt::NS_ODT_TEXT => array( 'namespace' => ezcDocumentOdt::NS_ODT_TEXT, 'attribute' => 'style-name' ), ); /** * Create a new style inferencer for the given document. * * @param DOMDocument $odtDocument */ public function __construct( DOMDocument $odtDocument ) { $this->odtDocument = $odtDocument; $this->styleExtractor = new ezcDocumentOdtStyleExtractor( $odtDocument ); $this->styleParser = new ezcDocumentOdtStyleParser(); } /** * Returns the style for the given $odtElement. * * Inferences the complete styling information for the given $odtElement. * * @param DOMElement $odtElement * @return ezcDocumentOdtStyle */ public function getStyle( DOMElement $odtElement ) { $family = $this->getStyleFamily( $odtElement ); $name = $this->getStyleName( $odtElement ); $styleDom = $this->styleExtractor->extractStyle( $family, $name ); // @todo: Inference parent / default styles return $this->styleParser->parseStyle( $styleDom, $family, $name ); } /** * Returns the list-style for the given $odtElement. * * $odtElement must be a element, otherwise null is returned since * other elements do not have a list style attached. * * @param DOMElement $odtElement * @return ezcDocumentOdtListStyle|null * @todo Paragraphs may have a list style defined in their properties, * which is used by default for new lists created in the paragraph. * This is actually not significant for us, since lists do always * have a dedicated style attached. Anyway, we might want to include * it sometimes. */ public function getListStyle( DOMElement $odtElement ) { $name = $this->getListStyleName( $odtElement ); $styleDom = $this->styleExtractor->extractListStyle( $name ); return $this->styleParser->parseListStyle( $styleDom, $name ); } /** * Extracts the style family from $odtElement. * * Detects the style family the style for $odtElement resides in. * * @param DOMElement $odtElement * @return string */ protected function getStyleFamily( DOMElement $odtElement ) { if ( !isset( $this->styleFamilyMap[$odtElement->namespaceURI][$odtElement->localName] ) ) { throw new RuntimeException( "Could not map style family for element '{$odtElement->localName}' in namespace '{$odtElement->namespaceURI}'." ); } return $this->styleFamilyMap[$odtElement->namespaceURI][$odtElement->localName]; } /** * Extracts the style name from the given $odtElement. * * Tries to determine the correct attribute for the style name from the * given $odtElement. If a style name is specified, it is returned. * Otherwise null is returned to indicate that the default style must be * used. * * @param DOMElement $odtElement * @return string|null */ protected function getStyleName( DOMElement $odtElement ) { if ( !isset( $this->styleNameAttributeMap[$odtElement->namespaceURI] ) ) { throw new RuntimeException( "Could not map style name attribute for namespace '{$odtElement->namespaceURI}'." ); } $styleAttrDef = $this->styleNameAttributeMap[$odtElement->namespaceURI]; $styleName = null; if ( $odtElement->hasAttributeNS( $styleAttrDef['namespace'], $styleAttrDef['attribute'] ) ) { $styleName = $odtElement->getAttributeNS( $styleAttrDef['namespace'], $styleAttrDef['attribute'] ); } return $styleName; } /** * Returns the list style name of the given $odtElement. * * Recursively searches for the style name of the given list element. The * style name is only present at the top most list (for nested lists). * * @param DOMElement $odtElement * @return string */ protected function getListStyleName( DOMElement $odtElement ) { if ( $odtElement->namespaceURI === ezcDocumentOdt::NS_ODT_TEXT && $odtElement->localName === 'list' && $odtElement->hasAttributeNS( ezcDocumentOdt::NS_ODT_TEXT, 'style-name' ) ) { return $odtElement->getAttributeNS( ezcDocumentOdt::NS_ODT_TEXT, 'style-name' ); } if ( $odtElement->parentNode === null ) { throw new RuntimeException( 'No list style name found.' ); } return $this->getListStyleName( $odtElement->parentNode ); } } ?>