public function apply($transformer, $context_element, $node)
{
$h2 = H2::create();
if (Type::is($context_element, array(Header::getClassName(), Caption::getClassName()))) {
$context_element->withSubTitle($h2);
} elseif (Type::is($context_element, InstantArticle::getClassName())) {
$context_element->addChild($h2);
}
if ($this->getProperty(Caption::POSITION_BELOW, $node)) {
$h2->withPosition(Caption::POSITION_BELOW);
}
if ($this->getProperty(Caption::POSITION_CENTER, $node)) {
$h2->withPosition(Caption::POSITION_CENTER);
}
if ($this->getProperty(Caption::POSITION_ABOVE, $node)) {
$h2->withPosition(Caption::POSITION_ABOVE);
}
if ($this->getProperty(Caption::ALIGN_LEFT, $node)) {
$h2->withTextAlignment(Caption::ALIGN_LEFT);
}
if ($this->getProperty(Caption::ALIGN_CENTER, $node)) {
$h2->withTextAlignment(Caption::ALIGN_CENTER);
}
if ($this->getProperty(Caption::ALIGN_RIGHT, $node)) {
$h2->withTextAlignment(Caption::ALIGN_RIGHT);
}
$transformer->transform($h2, $node);
return $context_element;
}
public function apply($transformer, $instant_article, $node)
{
$header = Header::create();
$instant_article->withHeader($header);
$transformer->transform($header, $node);
return $instant_article;
}
public function testInstantArticle()
{
$article = InstantArticle::create()->withCanonicalUrl('')->withHeader(Header::create())->addChild(Paragraph::create()->appendText('Some text to be within a paragraph for testing.'))->addChild(Paragraph::create())->addChild(Paragraph::create()->appendText(" \n \t "))->addChild(Image::create())->addChild(Image::create()->withURL(''))->addChild(SlideShow::create()->addImage(Image::create()->withURL('https://jpeg.org/images/jpegls-home.jpg'))->addImage(Image::create()))->addChild(Ad::create()->withSource('http://foo.com'))->addChild(Paragraph::create()->appendText('Other text to be within a second paragraph for testing.'))->addChild(Analytics::create())->withFooter(Footer::create());
$expected = '<!doctype html>' . '<html>' . '<head>' . '<link rel="canonical" href=""/>' . '<meta charset="utf-8"/>' . '<meta property="op:generator" content="facebook-instant-articles-sdk-php"/>' . '<meta property="op:generator:version" content="' . InstantArticle::CURRENT_VERSION . '"/>' . '<meta property="op:markup_version" content="v1.0"/>' . '</head>' . '<body>' . '<article>' . '<p>Some text to be within a paragraph for testing.</p>' . '<figure class="op-slideshow">' . '<figure>' . '<img src="https://jpeg.org/images/jpegls-home.jpg"/>' . '</figure>' . '</figure>' . '<figure class="op-ad">' . '<iframe src="http://foo.com"></iframe>' . '</figure>' . '<p>Other text to be within a second paragraph for testing.</p>' . '</article>' . '</body>' . '</html>';
$result = $article->render();
$this->assertEquals($expected, $result);
$warnings = InstantArticleValidator::check($article);
$this->assertEquals(9, count($warnings));
}
public function testTransformStringWithMultibyteNonUTF8Content()
{
$json_file = file_get_contents('src/Facebook/InstantArticles/Parser/instant-articles-rules.json');
$instant_article = InstantArticle::create();
$transformer = new Transformer();
$transformer->loadRules($json_file);
$title_html_string = mb_convert_encoding('<h1>Test:あÖÄÜöäü</h1>', 'euc-jp', 'utf-8');
$header = Header::create();
$transformer->transformString($header, $title_html_string, 'euc-jp');
$this->assertEquals('<h1>Test:あÖÄÜöäü</h1>', $header->getTitle()->render());
}
public function testTitleTransformedWithBold()
{
$transformer = new Transformer();
$json_file = file_get_contents(__DIR__ . '/wp-rules.json');
$transformer->loadRules($json_file);
$title_html_string = '<?xml encoding="utf-8" ?><h1>Title <b>in bold</b></h1>';
libxml_use_internal_errors(true);
$document = new \DOMDocument();
$document->loadHtml($title_html_string);
libxml_use_internal_errors(false);
$header = Header::create();
$transformer->transform($header, $document);
$this->assertEquals('<h1>Title <b>in bold</b></h1>', $header->getTitle()->render());
}
public function testTransformerCustomHTML()
{
$json_file = file_get_contents(__DIR__ . '/custom-html-rules.json');
$instant_article = InstantArticle::create();
$transformer = new Transformer();
$transformer->loadRules($json_file);
$html_file = file_get_contents(__DIR__ . '/custom.html');
libxml_use_internal_errors(true);
$document = new \DOMDocument();
$document->loadHTML($html_file);
libxml_use_internal_errors(false);
$instant_article->withCanonicalURL('http://localhost/article')->withHeader(Header::create()->withTitle('Peace on <b>earth</b>')->addAuthor(Author::create()->withName('bill'))->withPublishTime(Time::create(Time::PUBLISHED)->withDatetime(\DateTime::createFromFormat('j-M-Y G:i:s', '12-Apr-2016 19:46:51'))));
$transformer->transform($instant_article, $document);
$instant_article->addMetaProperty('op:generator:version', '1.0.0');
$instant_article->addMetaProperty('op:generator:transformer:version', '1.0.0');
$result = $instant_article->render('', true) . "\n";
$expected = file_get_contents(__DIR__ . '/custom-html-ia.xml');
$this->assertEquals($expected, $result);
// there must be 3 warnings related to <img> inside <li> that is not supported by IA
$this->assertEquals(3, count($transformer->getWarnings()));
}
public function getContextClass()
{
return Header::getClassName();
}
/**
* Render post
*
* @since 0.1
* @return InstantArticle
*/
public function to_instant_article()
{
/**
* Fires before the instant article is rendered.
*
* @since 0.1
* @param Instant_Article_Post $instant_article_post The instant article post.
*/
do_action('instant_articles_before_transform_post', $this);
// Get time zone configured in WordPress. Default to UTC if no time zone configured.
$date_time_zone = get_option('timezone_string') ? new DateTimeZone(get_option('timezone_string')) : new DateTimeZone('UTC');
// Initialize transformer
$file_path = plugin_dir_path(__FILE__) . 'rules-configuration.json';
$configuration = file_get_contents($file_path);
$transformer = new Transformer();
$this->transformer = $transformer;
$transformer->loadRules($configuration);
$transformer = apply_filters('instant_articles_transformer_rules_loaded', $transformer);
$settings_publishing = Instant_Articles_Option_Publishing::get_option_decoded();
if (isset($settings_publishing['custom_rules_enabled']) && !empty($settings_publishing['custom_rules_enabled']) && isset($settings_publishing['custom_rules']) && !empty($settings_publishing['custom_rules'])) {
$transformer->loadRules($settings_publishing['custom_rules']);
}
$transformer = apply_filters('instant_articles_transformer_custom_rules_loaded', $transformer);
$blog_charset = get_option('blog_charset');
$header = Header::create()->withPublishTime(Time::create(Time::PUBLISHED)->withDatetime(new DateTime($this->_post->post_date, $date_time_zone)))->withModifyTime(Time::create(Time::MODIFIED)->withDatetime(new DateTime($this->_post->post_modified, $date_time_zone)));
$title = $this->get_the_title();
if ($title) {
$document = new DOMDocument();
libxml_use_internal_errors(true);
$document->loadHTML('<?xml encoding="' . $blog_charset . '" ?><h1>' . $title . '</h1>');
libxml_use_internal_errors(false);
$transformer->transform($header, $document);
}
if ($this->has_subtitle()) {
$header->withSubTitle($this->get_the_subtitle());
}
$authors = $this->get_the_authors();
foreach ($authors as $author) {
$author_obj = Author::create();
if ($author->display_name) {
$author_obj->withName($author->display_name);
}
if ($author->bio) {
$author_obj->withDescription($author->bio);
}
if ($author->user_url) {
$author_obj->withURL($author->user_url);
}
$header->addAuthor($author_obj);
}
$kicker = $this->get_the_kicker();
if ($kicker) {
$header->withKicker($kicker);
}
$cover = $this->get_cover_media();
if ($cover->getUrl()) {
$header->withCover($cover);
}
$this->instant_article = InstantArticle::create()->withCanonicalUrl($this->get_canonical_url())->withHeader($header)->addMetaProperty('op:generator:application', 'facebook-instant-articles-wp')->addMetaProperty('op:generator:application:version', IA_PLUGIN_VERSION);
$settings_style = Instant_Articles_Option_Styles::get_option_decoded();
if (isset($settings_style['article_style']) && !empty($settings_style['article_style'])) {
$this->instant_article->withStyle($settings_style['article_style']);
} else {
$this->instant_article->withStyle('default');
}
$libxml_previous_state = libxml_use_internal_errors(true);
$document = new DOMDocument('1.0', get_option('blog_charset'));
$content = $this->get_the_content();
// DOMDocument isn’t handling encodings too well, so let’s help it a little.
if (function_exists('mb_convert_encoding')) {
$content = mb_convert_encoding($content, 'HTML-ENTITIES', get_option('blog_charset'));
} else {
$content = htmlspecialchars_decode(utf8_decode(htmlentities($content, ENT_COMPAT, 'utf-8', false)));
}
$result = $document->loadHTML('<!doctype html><html><body>' . $content . '</body></html>');
// We need to make sure that scripts use absolute URLs and not relative URLs.
$scripts = $document->getElementsByTagName('script');
if (!empty($scripts)) {
foreach ($scripts as $script) {
$src = $script->getAttribute('src');
$explode_src = parse_url($src);
if (is_array($explode_src) && empty($explode_src['scheme']) && !empty($explode_src['host']) && !empty($explode_src['path'])) {
$src = 'https://' . $explode_src['host'] . $explode_src['path'];
}
$script->setAttribute('src', $src);
}
}
libxml_clear_errors();
libxml_use_internal_errors($libxml_previous_state);
$document = apply_filters('instant_articles_parsed_document', $document);
if ($result) {
$transformer->transform($this->instant_article, $document);
}
$this->add_ads_from_settings();
$this->add_analytics_from_settings();
$this->instant_article = apply_filters('instant_articles_transformed_element', $this->instant_article);
/**
* Fires after the instant article is rendered.
*
* @since 0.1
* @param Instant_Article_Post $instant_article_post The instant article post.
*/
do_action('instant_articles_after_transform_post', $this);
return $this->instant_article;
}
/**
* Sets the header content to this InstantArticle
*
* @param Header $header to be added to this Article.
*
* @return $this
*/
public function withHeader($header)
{
Type::enforce($header, Header::getClassName());
$this->header = $header;
return $this;
}
/**
* Render post
*
* @since 0.1
* @return InstantArticle
*/
public function to_instant_article()
{
/**
* Fires before the instant article is rendered.
*
* @since 0.1
* @param Instant_Article_Post $instant_article_post The instant article post.
*/
do_action('instant_articles_before_transform_post', $this);
// Get time zone configured in WordPress. Default to UTC if no time zone configured.
$date_time_zone = get_option('timezone_string') ? new DateTimeZone(get_option('timezone_string')) : new DateTimeZone('UTC');
// Initialize transformer
$file_path = plugin_dir_path(__FILE__) . 'rules-configuration.json';
$configuration = file_get_contents($file_path);
$transformer = new Transformer();
$this->transformer = $transformer;
$transformer->loadRules($configuration);
$transformer = apply_filters('instant_articles_transformer_rules_loaded', $transformer);
$settings_publishing = Instant_Articles_Option_Publishing::get_option_decoded();
if (isset($settings_publishing['custom_rules_enabled']) && !empty($settings_publishing['custom_rules_enabled']) && isset($settings_publishing['custom_rules']) && !empty($settings_publishing['custom_rules'])) {
$transformer->loadRules($settings_publishing['custom_rules']);
}
$transformer = apply_filters('instant_articles_transformer_custom_rules_loaded', $transformer);
$blog_charset = get_option('blog_charset');
$header = Header::create()->withPublishTime(Time::create(Time::PUBLISHED)->withDatetime(new DateTime($this->_post->post_date, $date_time_zone)))->withModifyTime(Time::create(Time::MODIFIED)->withDatetime(new DateTime($this->_post->post_modified, $date_time_zone)));
$title = $this->get_the_title();
if ($title) {
$document = new DOMDocument();
libxml_use_internal_errors(true);
$document->loadHTML('<?xml encoding="' . $blog_charset . '" ?><h1>' . $title . '</h1>');
libxml_use_internal_errors(false);
$transformer->transform($header, $document);
}
if ($this->has_subtitle()) {
$header->withSubTitle($this->get_the_subtitle());
}
$authors = $this->get_the_authors();
foreach ($authors as $author) {
$author_obj = Author::create();
if ($author->display_name) {
$author_obj->withName($author->display_name);
}
if ($author->bio) {
$author_obj->withDescription($author->bio);
}
if ($author->user_url) {
$author_obj->withURL($author->user_url);
}
$header->addAuthor($author_obj);
}
$kicker = $this->get_the_kicker();
if ($kicker) {
$header->withKicker($kicker);
}
$cover = $this->get_cover_media();
if ($cover->getUrl()) {
$header->withCover($cover);
}
$this->instant_article = InstantArticle::create()->withCanonicalUrl($this->get_canonical_url())->withHeader($header)->addMetaProperty('op:generator:application', 'facebook-instant-articles-wp')->addMetaProperty('op:generator:application:version', IA_PLUGIN_VERSION);
$settings_style = Instant_Articles_Option_Styles::get_option_decoded();
if (isset($settings_style['article_style']) && !empty($settings_style['article_style'])) {
$this->instant_article->withStyle($settings_style['article_style']);
} else {
$this->instant_article->withStyle('default');
}
$transformer->transformString($this->instant_article, $this->get_the_content(), get_option('blog_charset'));
$this->add_ads_from_settings();
$this->add_analytics_from_settings();
$this->instant_article = apply_filters('instant_articles_transformed_element', $this->instant_article);
/**
* Fires after the instant article is rendered.
*
* @since 0.1
* @param Instant_Article_Post $instant_article_post The instant article post.
*/
do_action('instant_articles_after_transform_post', $this);
return $this->instant_article;
}