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<?php
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/**
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* @file
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* Generates the EPUB version using PHPePub.
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*
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* This file is included by the print_epub_phpepub module and includes the
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* functions that interface with the PHPePub library.
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*
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* @ingroup print
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*/
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/**
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* Implements hook_print_epub_generate().
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*/
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function print_epub_phpepub_print_epub_generate($html, $meta, $filename = NULL) {
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global $language, $base_url;
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module_load_include('inc', 'print', 'includes/print');
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$epub_tool = explode('|', variable_get('print_epub_epub_tool', PRINT_EPUB_EPUB_TOOL_DEFAULT));
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$images_via_file = variable_get('print_epub_images_via_file', PRINT_EPUB_IMAGES_VIA_FILE_DEFAULT);
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$tool_path = DRUPAL_ROOT . '/' . $epub_tool[1];
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if (file_exists($tool_path)) {
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require_once $tool_path;
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}
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else {
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watchdog('print_epub', 'Configured EPUB tool does not exist at path: %path', array('%path' => $tool_path), WATCHDOG_ERROR);
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throw new Exception("Configured EPUB tool does not exist, unable to generate EPUB.");
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}
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// Try to use local file access for image files.
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$html = _print_access_images_via_file($html, $images_via_file);
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// Set document information.
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$epub = new EPub();
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$epub->setTitle(html_entity_decode($meta['title'], ENT_QUOTES, 'UTF-8'));
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$epub->setIdentifier($meta['url'], EPub::IDENTIFIER_URI);
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$epub->setLanguage($language->language);
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if (isset($meta['name'])) {
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$epub->setAuthor(strip_tags($meta['name']), strip_tags($meta['name']));
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}
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$epub->setPublisher(variable_get('site_name', 'Drupal'), $base_url);
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$epub->setSourceURL($meta['url']);
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@$epub->addChapter("Chapter", "epub.html", $html, FALSE);
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// Finalize the book, and build the archive.
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$epub->finalize();
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// Close and output EPUB document.
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$epub->sendBook(empty($filename) ? 'page' : $filename);
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return TRUE;
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}
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