*/
if (!defined('DOKU_INC')) die();
if (!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN', DOKU_INC . 'lib/plugins/');
require_once (DOKU_PLUGIN . 'syntax.php');
class syntax_plugin_rst extends DokuWiki_Syntax_Plugin {
function getType() {
return 'protected';
}
function getPType() {
return 'block';
}
function getSort() {
return 69;
}
function connectTo($mode) {
$this->Lexer->addEntryPattern('(?=.*)', $mode, 'plugin_rst');
}
function postConnect() {
$this->Lexer->addExitPattern('', 'plugin_rst');
}
function handle($match, $state, $pos, &$handler) {
switch ($state) {
case DOKU_LEXER_ENTER : return array($state, '');
case DOKU_LEXER_UNMATCHED : return array($match);
case DOKU_LEXER_EXIT : return array($state, '');
}
return array($state,'');
}
function render($mode, &$renderer, $data) {
dbglog("mode is $mode, data[0] is $data[0]");
if ($mode == 'xhtml' && $data[0] != DOKU_LEXER_ENTER && $data[0] != DOKU_LEXER_EXIT)
{
$descriptorspec = array(
0 => array("pipe", "r"), // stdin is a pipe that the child will read from
1 => array("pipe", "w"), // stdout is a pipe that the child will write to
2 => array("file", "/tmp/error-output.txt", "a") // stderr is a file to write to
);
$cwd = '/tmp';
$env = NULL;
$process = proc_open('rst2html --no-doc-title', $descriptorspec, $pipes, $cwd, $env);
if (is_resource($process)) {
// $pipes now looks like this:
// 0 => writeable handle connected to child stdin
// 1 => readable handle connected to child stdout
// Any error output will be appended to /tmp/error-output.txt
fwrite($pipes[0], $data[0]);
fclose($pipes[0]);
$output = stream_get_contents($pipes[1]);
fclose($pipes[1]);
// It is important that you close any pipes before calling
// proc_close in order to avoid a deadlock
$return_value = proc_close($process);
}
$renderer->doc .= $output;
return true;
} else {
return false;
}
}
/*
function render($mode, &$renderer, $data) {
//dbg('function render($mode, &$renderer, $data)-->'.' mode = '.$mode.' data = '.$data);
//dbg($data);
if ($mode == 'xhtml') {
list($state,$match) = $data;
switch ($state) {
case DOKU_LEXER_ENTER : break;
case DOKU_LEXER_UNMATCHED :
dbglog("In render, $match is:" . $match);
$match = $this->_toc($renderer, $match);
$renderer->doc .= $match;
break;
case DOKU_LEXER_EXIT : break;
}
return true;
}else if ($mode == 'metadata') {
//dbg('function render($mode, &$renderer, $data)-->'.' mode = '.$mode.' data = '.$data);
//dbg($data);
list($state,$match) = $data;
switch ($state) {
case DOKU_LEXER_ENTER : break;
case DOKU_LEXER_UNMATCHED :
if (!$renderer->meta['title']){
$renderer->meta['title'] = $this->_rst_header($match);
}
$this->_toc($renderer, $match);
$internallinks = $this->_internallinks($match);
#dbg($internallinks);
if (count($internallinks)>0){
foreach($internallinks as $internallink)
{
$renderer->internallink($internallink);
}
}
break;
case DOKU_LEXER_EXIT : break;
}
return true;
} else {
return false;
}
}
*/
function _rst_header($text)
{
$doc = new DOMDocument('1.0','UTF-8');
//dbg($doc);
$meta = '';
$doc->loadHTML($meta.$text);
//dbg($doc->saveHTML());
if ($nodes = $doc->getElementsByTagName('h1')){
return $nodes->item(0)->nodeValue;
}
return false;
}
function _internallinks($text)
{
$links = array();
if ( ! $text ) return $links;
$doc = new DOMDocument('1.0', 'UTF-8');
$doc->loadHTML($text);
if ($nodes = $doc->getElementsByTagName('a')){
foreach($nodes as $atag)
{
$href = $atag->getAttribute('href');
if (!preg_match('/^(https{0,1}:\/\/|ftp:\/\/|mailto:)/i',$href)){
$links[] = $href;
}
}
}
return $links;
}
function _toc(&$renderer, $text)
{
$doc = new DOMDocument('1.0','UTF-8');
//dbg($doc);
$meta = '';
$doc->loadHTML($meta.$text);
if ($nodes = $doc->getElementsByTagName("*")){
foreach($nodes as $node)
{
if (preg_match('/h([1-7])/',$node->tagName,$match))
{
#dbg($node);
$node->setAttribute('class', 'sectionedit'.$match[1]);
$hid = $renderer->_headerToLink($node->nodeValue,'true');
$node->setAttribute('id',$hid);
$renderer->toc_additem($hid, $node->nodeValue, $match[1]);
}
}
}
//remove outer tags of content
$html = $doc->saveHTML();
$html = str_replace('','',$html);
$html = preg_replace('/.+/', '', $html);
$html = preg_replace('@.*@','', $html);
return $html;
}
}