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renderer.php
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<?php
/**
*/
// must be run within Dokuwiki
if (!defined('DOKU_INC')) die();
if (!defined('DOKU_LF')) define('DOKU_LF', "\n");
if (!defined('DOKU_TAB')) define('DOKU_TAB', "\t");
if(!defined('EPUB_DIR')) define('EPUB_DIR',realpath(dirname(__FILE__).'/../').'/');
require_once DOKU_INC.'inc/parser/xhtml.php';
class renderer_plugin_epub extends Doku_Renderer_xhtml {
private $opf_handle;
private $oebps;
private $current_page;
private $allow_url_fopen;
private $isWin;
private $audio_link;
private $audio_nmsp;
private $audio_nmsp_orig;
private $video_link;
private $video_nmsp;
private $video_nmsp_orig;
function getInfo() {
return array(
'author' => 'Myron Turner',
'email' => '[email protected]',
'date' => '2011-07-1',
'name' => 'epub',
'desc' => 'renderer for ebook creator',
'url' => 'http://www.dokuwiki.org/plugin:epub');
}
function __construct() {
$this->allow_url_fopen=ini_get ( 'allow_url_fopen' ) ;
$this->isWin=function_exists('epub_isWindows') ? epub_isWindows() : false;
$this->mpeg_settings('audio') ;
$this->mpeg_settings('video') ;
}
function mpeg_settings($which) {
if($which == 'audio') {
$this->audio_link = $this->getConf('audio_fn');
$nmsp = 'audio_nmsp';
}
else {
$this->video_link = $this->getConf('video_fn');
$nmsp = 'video_nmsp';
}
$nmsp = $this->getConf($nmsp);
$nmsp = str_replace(' ','',$nmsp);
$nmsp = str_replace(',','|',$nmsp);
$nmsp_orig = $nmsp;
$nmsp = str_replace(':','_',$nmsp);
if($which == 'audio') {
$this->audio_nmsp = $nmsp;
$this->audio_nmsp_orig = $nmsp_orig;
return;
}
$this->video_nmsp = $nmsp;
$this->video_nmsp_orig = $nmsp_orig;
}
/**
* Make available as XHTML replacement renderer
*/
public function canRender($format){
if($format == 'xhtml') return true;
return false;
}
function set_oebps() {
$this->oebps = epub_get_oebps();
}
function set_current_page($page) {
$this->current_page=$page;
}
function opf_handle() {
if(!$this->opf_handle) {
$this->opf_handle= fopen($this->oebps. 'content.opf', 'a');
}
return $this->opf_handle;
}
function is_epubid($id) {
return is_epub_pageid($id);
}
/**
* Simplified header printing with PDF bookmarks
*/
function header($text, $level, $pos, $readonly=false) {
if(!$text) return; //skip empty headlines
$hid = $this->_headerToLink($text, true);
// print header
$this->doc .= DOKU_LF."<h$level id='$hid'>";
$this->doc .= $this->_xmlEntities($text);
$this->doc .= "</h$level>".DOKU_LF;
}
/**
* Wrap centered media in a div to center it
*/
function _media ($src, $title=NULL, $align=NULL, $width=NULL,
$height=NULL, $cache=NULL, $render = true) {
$mtype = mimetype($src);
if(!$title) $title = $src;
$external = false;
$src = trim($src);
$out = "";
if(strpos($src,'http://') === 0) $external = true;
if($external && !$this->allow_url_fopen) {
$link = $this->create_external_link($src);
return $this->_formatLink($link);
}
$src = $this->copy_media($src,$external);
if(strpos($mtype[1],'image') !== false) {
$out .= $this->set_image($src,$width,$height,$align);
}
else if(strpos($mtype[1],'audio') !== false) {
if($this->audio_link) $out .= '</p><div style="text-align:center">' ;
$out .= $this->set_audio($src,$mtype,$title) ;
if($this->audio_link) { // set audio footnote
list($title,$rest) = explode('(', $title);
$mpfile = str_replace('Audio/',"",$src);
$display_name = $title;
$title = $mpfile;
$out .= $this->_formatLink( array('class'=>'media mediafile mf_mp3','title'=>$title,'name'=>$title, 'display'=>$display_name) ) ."\n</div><p>";
}
}
else if(strpos($mtype[1],'video') !== false) {
if($this->video_link) $out .= '</p><div style="text-align:center">' ;//$out .= '<div style="text-align:center">' ;
$out .= $this->set_video($src,$mtype,$title) ;
if($this->video_link) {
list($title,$rest) = explode('(', $title);
$mpfile = str_replace('Video/',"",$src);
$display_name = $title;
$title = $mpfile;
$out .= $this->_formatLink( array('class'=>'media mediafile mf_mp4','title'=>$title,'name'=>$title, 'display'=>$display_name) ) ."\n</div><p>";
}
}
else {
$out .= "<a href='$src'>$title</a>";
}
return $out;
}
function create_external_link($name) {
return array(
"target" => "",
"style" => "",
"pre" => "",
"suf" => "",
"type"=>'ext_media',
"more" => 'rel="nofollow"',
"class" => 'urlextern',
"url" => $name,
"name" => basename($name),
"title" => $name
);
}
/**
* hover info makes no sense in PDFs, so drop acronyms
*/
function acronym($acronym) {
$this->doc .= $this->_xmlEntities($acronym);
}
function is_image($link,&$type) {
if(strpos($link['class'],'media') === false) {
$type=$link['class'];
return false;
}
$mime_type = mimetype($link['title']);
if(!$mime_type[1] ) {
list($url,$rest) = explode('?', $link['url']);
$mime_type = mimetype($url);
if(!$mime_type[1]) {
$mime_type = mimetype($rest);
}
}
if(!$mime_type[1]) {
$type = 'other';
return false;
}
list($type,$ext) = explode('/', $mime_type[1] );
if($type != 'image') {
$type='media';
return false;
}
return true;
}
/**
* reformat links if needed
*/
function _formatLink($link){
$type = "";
if($this->is_image($link,$type)) {
if(preg_match('#media\s*=\s*http#',$link['url'])) {
$name = $this->copy_media($link['title'],true);
if($name) {
return $this->set_image($name) ;
}
else return $this->set_image('');
}
elseif(strpos($link['name'],'<img') !== false) {
$name = $this->copy_media($link['title']);
if(strpos($link['name'],'fetch.php') !== false) {
$t = $link['title'];
$link['name'] = preg_replace("#src=.*?$t\"#", "src=\"$name\"",$link['name']);
if(strpos($link['name'],'alt=""') !==false) {
$link['name'] = str_replace('alt=""','alt="'. $link['title'] . '"', $link['name']);
}
return $this->clean_image_link($link['name']);
}
elseif(strpos($link['url'],'fetch.php') !== false) {
if(preg_match('/src=\"(.*?)\"/',$link['name'],$matches)) {
$link['name'] = '<a href="' . $matches[1] .'">' . $link['title'] . '</a>';
return $this->clean_image_link($link['name']);
}
}
$link['name'] = $this->clean_image_link($link['name']);
return $link['name'];
}
$name = $this->copy_media($link['title']);
return $this->set_image($name);
}
elseif($link['class'] == 'media' && strpos($link['name'],'<img') !== false) {
$this->doc .= '<a href="' . $link['url'] .'" class="media" title="' . $link['title'] . '" rel="nofollow">' . $link['name'] . '</a>';
return;
}
if((strpos($link['class'],'wikilink') !== false ) && $type!='media') { //internal link
$orig = "";
$name = $this->local_name($link,$orig,$frag);
if(!$this->is_epubid($orig)) {
$doku_base = DOKU_BASE;
$doku_base = trim($doku_base,'/');
$fnote = DOKU_URL . "doku.php?id=$orig";
return $this->set_footnote($link,$fnote);
}
$name = epub_clean_name($name);
$name .='.html';
if($link['class'] == 'wikilink2') {
$wfn = wikiFN($orig);
if( file_exists($wfn) ) $link['class'] = 'wikilink1';
}
}
else if($type=='media') { //internal media
$orig = "";
$name = $this->local_name($link,$orig);
if(!empty($link['display'])) {
$link['name'] = $link['display'];
if(strpos($link['class'],'mp3') !== false) {
$orig = preg_replace('/^(' . $this->audio_nmsp . ')_/', "$1:", $orig);
$orig = preg_replace('/^(' . $this->audio_nmsp_orig . ')_/', "$1:", $orig); //two levels deep
}
else if(strpos($link['class'],'mp4') !== false) {
$orig = preg_replace('/^(' . $this->video_nmsp . ')_/', "$1:", $orig);
$orig = preg_replace('/^(' . $this->video_nmsp_orig . ')_/', "$1:", $orig);
}
}
$note_url = DOKU_URL . "lib/exe/fetch.php?media=" . $orig;
$link['class'] = 'wikilink1';
$out = $this->set_footnote($link,$note_url);
$out=preg_replace('/<a\s+href=\'\'>(.*?)<\/a>(?=<a)/',"$1",$out); //remove link markup from link name
return $out;
}
elseif($link['class'] != 'media') { // or urlextern or samba share or . . .
$out = $this->set_footnote($link,trim($link['url'])); // creates an entry in output for the link with a live footnote to the link
if(isset($link['type']) && $link['type'] == 'ext_media') {
$this->doc .= $out;
}
else return $out;
}
if(!$name) return;
$link['url'] = $name;
if($frag) $link['url'] .="#$frag";
return parent::_formatLink($link);
}
function clean_image_link($link) {
$link = str_replace('Images/Images',"Images",$link);
$link = preg_replace('#[\.\/]*Images#', "../Images", $link );
return $link;
}
function set_footnote($link, $note_url="") {
$out = $link['name'];
$fn_id = epub_fn();
$link['name'] = "[$fn_id]";
if(preg_match("/media\s*=\s*(http.*)/", $link['url'],$matches)) { //format external urls
$note_url = urldecode($matches[1]);
}
$link['url'] = 'footnotes.html#' .$this->current_page;
$link['class'] = 'wikilink1';
$id = 'backto_' . $fn_id;
$hash_link="<a id='$id' name='$id'></a>";
$out .= $hash_link . parent::_formatLink($link); // . '</a>';
epub_write_footnote($fn_id,$this->current_page,$note_url);
return $out;
}
function smiley($smiley) {
static $smileys;
if(!$smileys) $smileys = getSmileys();
if ( array_key_exists($smiley, $this->smileys) ) {
$spath = DOKU_INC . 'lib/images/smileys/'.$smileys[$smiley];
$name = $this->copy_media($spath,true);
$this->doc .= $this->_media($name);
}
}
function local_name($link,&$orig="", &$frag ="") {
$base_name= basename($link['url']);
$title = $link['title']? ltrim($link['title'],':'): "";
list($starturl,$frag) = explode('#',$link['url']);
if ($title) {
$name = $title;
}
elseif($base_name) {
list($name,$rest) = explode('?',$base_name);
}
if($name) {
$orig = ltrim($name,':');
return epub_clean_name(str_replace(':','_',$name));
}
return false;
}
function copy_media($media,$external=false) {
$name = epub_clean_name(str_replace(':','_',basename($media)));
$ret_name = $name;
$mime_type = mimetype($name);
list($type,$ext) = explode('/', $mime_type[1] );
if($type !== 'image' && $type != 'audio' && $type != 'video') return;
if($external) {
if(!$this->allow_url_fopen) return;
$tmp = str_replace('https://',"",$media);
$tmp = str_replace('http://',"",$media);
$tmp = str_replace('www.',"",$tmp);
if($this->isWin) {
$tmp = preg_replace('/^[A-Z]:/',"",$tmp);
}
$tmp=ltrim($tmp,'/\/');
$elems=explode('/',$tmp);
if($this->isWin) {
$elems=explode('\\',$tmp);
}
if(!empty($elems) && $elems[0]) {
$elems[0] = preg_replace('#/\W#','_',$elems[0]);
$name = $elems[0]. "_" . $name;
}
}
if($type == 'audio') {
$name = "Audio/$name";
}
else if($type == 'video') {
$name = "Video/$name";
}
else if(!preg_match("/^Images/", $name)) {
$name = "Images/$name";
}
$file = $this->oebps . $name;
if(file_exists($file)) return $name;
if(!$external) {
$media = mediaFN($media);
}
if(copy ($media , $file)) {
epub_write_item($name,$mime_type[1]) ;
return $name;
}
else if(!$this->isWin && epub_save_image($media , $file)) {
epub_write_item($name,$mime_type[1]) ;
return $name;
}
return false;
}
function set_image($img,$width=null,$height=null,$align=null) {
$w="";
$h="";
if($width) $w= ' width="' . $width . '"';
if($height) $h= ' height="' .$height . '"';
$img = $this->clean_image_link($img);
$class='media';
if($align) {
$class .= $align;
}
return '<img src="' . $img . '"' . "$h $w " . ' alt="'. $img . '" class="' . $class . '" />';
}
function set_audio($src,$mtype,$title) {
$src = "../$src";
$type = $mtype[1];
$out = '<audio class="mediacenter" controls="controls">' . "\n";
$out .= "<source src= '$src' type='$type' />" .
"\n<a href='$src' title='$title'>$title</a></audio>\n";
return $out;
}
function set_video($src,$mtype,$title) {
$src = "../$src";
$type = $mtype[1];
$out = '<video class="mediacenter" controls="controls">' . "\n";
$out .= "<source src= '$src' type='$type' />" .
"\n<a href='$src' title='$title'>$title</a></video>\n";
return $out;
}
function plugin($name,$data,$state = '', $match = '') {
if($name !='mathpublish' && $name !='ditaa' && $name !='graphviz') return parent::plugin($name,$data);
$mode ='xhtml';
$renderer =p_get_renderer($mode );
$plugin =& plugin_load('syntax',$name);
if($plugin != null) {
$plugin->render($mode,$renderer,$data);
if($name == 'ditaa') {
epub_check_for_ditaa($renderer->doc,$this);
}
else if($name =='mathpublish') {
epub_check_for_math($renderer->doc,$this);
}
else if($name =='graphviz') {
epub_check_for_graphviz($renderer->doc,$this,$data,$plugin);
}
$this->doc .= $renderer->doc;
}
}
/**
* no obfuscation for email addresses
*/
function emaillink($address, $name = NULL,$returnonly = false) {
global $conf;
$old = $conf['mailguard'];
$conf['mailguard'] = 'none';
parent::emaillink($address, $name);
$conf['mailguard'] = $old;
}
function write($what,$handle) {
fwrite($handle,"$what\n");
fflush($handle);
}
}