mirror of
https://github.com/wallabag/wallabag.git
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157 lines
4.2 KiB
PHP
157 lines
4.2 KiB
PHP
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<?php
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/**
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* This is the way MOBI files should be created if you want all features (TOC, images).
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*
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* File modified by Dawson for use in eBook Creator
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* Added pagebreaks and a setting to remove table of contents.
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*/
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class MOBIFile extends ContentProvider {
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const PARAGRAPH = 0;
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const H2 = 1;
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const H3 = 2;
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const IMAGE = 3;
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const PAGEBREAK = 4;
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private $settings = array("title" => "Unknown Title", "toc" => true);
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private $parts = array();
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private $images = array();
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/**
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* Get the text data (the "html" code)
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*/
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public function getTextData(){
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$prefix = "<html><head><guide><reference title='CONTENT' type='toc' filepos=0000000000 /></guide></head><body>";
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$title = "<h1>".$this->settings["title"]."</h1>";
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list($text, $entries) = $this->generateText();
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if($this->settings["toc"]) {
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$toc = $this->generateTOC($entries); //Generate TOC to get the right length
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$toc = $this->generateTOC($entries, strlen($prefix)+strlen($toc)+strlen($title)); //Generate the real TOC
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}
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$suffix = "</body></html>";
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return $prefix.$toc.$title.$text.$suffix;
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}
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/**
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* Generate the body's text and the chapter entries
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* @return array($string, $entries) $string is the html data, $entries
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* contains the level, the title and the position of the titles.
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*/
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public function generateText(){
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$str = "";
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$entries = array();
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for($i = 0; $i < sizeof($this->parts); $i++){
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list($type, $data) = $this->parts[$i];
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$id = "title_".$i;
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switch($type){
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case self::PARAGRAPH:
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$str .= "<p>".$data."</p>";
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break;
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case self::PAGEBREAK:
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$str .= '<mbp:pagebreak/>';
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break;
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case self::H2:
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$entries[] = array("level" => 2, "position" => strlen($str), "title" => $data, "id" => $id);
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$str .= "<h2 id='" . $id . "'>".$data."</h2>";
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break;
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case self::H3:
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$entries[] = array("level" => 3, "position" => strlen($str), "title" => $data, "id" => $id);
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$str .= "<h3 id='" . $id . "'>".$data."</h3>";
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break;
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case self::IMAGE:
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$str .= "<img recindex=".str_pad($data+1, 10, "0", STR_PAD_LEFT)." />";
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break;
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}
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}
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return array($str, $entries);
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}
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/**
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* Generate a TOC
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* @param $entries The entries array generated by generateText
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* @param $base The zero position
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*/
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public function generateTOC($entries, $base = 0){
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$toc = "<h2>Contents</h2>";
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$toc .= "<blockquote><table summary='Table of Contents'><col/><tbody>";
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for($i = 0, $len = sizeof($entries); $i < $len; $i++){
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$entry = $entries[$i];
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$pos = str_pad($entry["position"]+$base, 10, "0", STR_PAD_LEFT);
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$toc .= "<tr><td><a href='#".$entry["id"]."' filepos='".$pos."'>".$entry["title"]."</a></td></tr>";
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}
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return $toc."</tbody></b></table></blockquote><mbp:pagebreak/>";
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}
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/**
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* Get the file records of the images
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*/
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public function getImages(){
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return $this->images;
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}
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/**
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* Get the metadata
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*/
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public function getMetaData(){
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return $this->settings;
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}
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/**
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* Change the file's settings. For example set("author", "John Doe") or set("title", "The adventures of John Doe").
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* @param $key Key of the setting to insert.
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*/
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public function set($key, $value){
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$this->settings[$key] = $value;
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}
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/**
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* Get the file's settings.
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*/
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public function get($key){
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return $this->settings[$key];
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}
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/**
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* Append a paragraph of text to the file.
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* @param string $text The text to insert.
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*/
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public function appendParagraph($text){
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$this->parts[] = array(self::PARAGRAPH, $text);
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}
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/**
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* Append a chapter title (H2)
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* @param string $title The title to insert.
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*/
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public function appendChapterTitle($title){
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$this->parts[] = array(self::H2, $title);
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}
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/**
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* Append a section title (H3)
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* @param string $title The title to insert.
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*/
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public function appendSectionTitle($title){
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$this->parts[] = array(self::H3, $title);
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}
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public function appendPageBreak() {
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$this->parts[] = array(self::PAGEBREAK, null);
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}
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/**
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* Append an image.
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* @param resource $img An image file (for example, created by `imagecreate`)
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*/
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public function appendImage($img){
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$imgIndex = sizeof($this->images);
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$this->images[] = new FileRecord(new Record(ImageHandler::CreateImage($img)));
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$this->parts[] = array(self::IMAGE, $imgIndex);
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}
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}
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