<?php # $Id: voodoopad.inc.php 1 2005-04-16 06:39:31Z timputnam $# Copyright (c) 2003-2005, Tim Putnam/***************************************************************** *                VoodooPad Importer, by Tim Putnam  *               http://deepbluesea.fracsoft.com  * *****************************************************************/// These are used by the XML parserclass element{   var $name = '';   var $attributes = array();   var $data = '';   var $depth = 0;}$elements = $stack = array();$count = $depth = 0;// Language, language...switch ($serendipity['lang']) {    case 'en':    default:        @define('IMPORTER_VOODOO_FILEPROMPT', 'VoodooPad XML file');        @define('IMPORTER_VOODOO_CREATEINTRALINKSPROMPT', 'Recreate intra-links?');        @define('IMPORTER_VOODOO_WIKINAMEPROMPT','Wiki name');        @define('IMPORTER_VOODOO_KEYPREFIXPROMPT','Prefix for static page DB key');        @define('IMPORTER_VOODOO_UPDATEEXISTINGPROMPT','Update existing entries?');        @define('IMPORTER_VOODOO_CREATINGPAGE','Creating page');        @define('IMPORTER_VOODOO_UPDATINGPAGE','Updating page');        @define('IMPORTER_VOODOO_NOTUPDATING','Not updating');        @define('IMPORTER_VOODOO_RECORDURL','Recording link URL');        @define('IMPORTER_VOODOO_WRITEINTRALINKS','Writing intra-links..');        @define('IMPORTER_VOODOO_REQUIREMENTFAIL', 'This importer requires the Static Pages plugin to be installed. All static pages are currently scanned for a match.');        break;}class Serendipity_Import_VoodooPad extends Serendipity_Import {    var $info        = array('software' => 'VoodooPad');    var $data        = array();    var $inputFields = array();    var $force_recode = false;        function Serendipity_Import_VoodooPad($data) {        $this->data = $data;        $this->inputFields = array(                                array('text'      => IMPORTER_VOODOO_FILEPROMPT,                                      'type'      => 'file',                                      'name'      => 'voodooPadXML'),                                array('text'      => IMPORTER_VOODOO_CREATEINTRALINKSPROMPT,                                      'type'      => 'bool',                                      'name'      => 'shouldWriteLinks',                                      'default'   => 'true'),                                array('text'      => IMPORTER_VOODOO_WIKINAMEPROMPT,                                      'type'      => 'input',                                      'name'      => 'wikiName',                                      'default'   => ''),                                array('text'      => IMPORTER_VOODOO_KEYPREFIXPROMPT,                                      'type'      => 'input',                                      'name'      => 'keyPrefix',                                      'default'   => '' ),                                array('text'      => IMPORTER_VOODOO_UPDATEEXISTINGPROMPT,                                      'type'      => 'bool',                                      'name'      => 'updateExisting',                                      'default'   => 'true' ) );    }    function getImportNotes(){        return IMPORTER_VOODOO_REQUIREMENTFAIL;    }    function validateData() {       return sizeof($_FILES['serendipity']['tmp_name']['import']['voodooPadXML']);    }    function getInputFields() {        return $this->inputFields;    }    function import() {        global $serendipity;        global $elements;        // Dependency on static pages        if (!class_exists('serendipity_event_staticpage')) {            die(IMPORTER_VOODOO_REQUIREMENTFAIL . '<br/>');        }          // The selected file        $file =  $_FILES['serendipity']['tmp_name']['import']['voodooPadXML'];        // Create a parser and set it up with the callbacks        $xml_parser = xml_parser_create('');         xml_parser_set_option($xml_parser, XML_OPTION_CASE_FOLDING, 0);        xml_set_element_handler($xml_parser, "start_element_handler", "end_element_handler");        xml_set_character_data_handler($xml_parser, "character_data_handler");        // Feed the contents of the file into the parser        if (!file_exists($file)) {            die(sprintf(DOCUMENT_NOT_FOUND, htmlspecialchars($file)));        }                               if(!($handle = fopen($file, "r"))) {            die(sprintf(SKIPPING_FILE_UNREADABLE, htmlspecialchars($file)));        }        while($contents = fread($handle, 4096)) {            xml_parse($xml_parser, $contents, feof($handle));        }        fclose($handle);        xml_parser_free($xml_parser);        // Maintain a list of the aliases and their links        $aliases = array();        // Now have a list of elements referenceable by id        // so loop through building and/or updating page objects        while(list($key_a) = each($elements)) {            $name = $elements[$key_a]->name;                                     switch ($name) {                case 'data': // <data> indicates the start of the VoodooPad entry, so create page object                    $thispage = array();                    break;                case 'key': // This is the unique identifier of the page                    $mykey = serendipity_makeFilename($elements[$key_a]->data);                    $mykey = basename($this->data['keyPrefix']) . $mykey;                    // Pluck out the existing one if its there                    $page = serendipity_db_query("SELECT *                                                     FROM {$serendipity['dbPrefix']}staticpages                                                     WHERE filename = '" . serendipity_db_escape_string($mykey.'.htm') . "'                                                    LIMIT 1", true, 'assoc');                    if (is_array($page)) {                        $thispage =& $page;                        if (empty($thispage['timestamp'])) {                              $thispage['timestamp'] = time();                        }                    }                        $thispage['filename']  = $mykey.'.htm';                    // Thanks for pointing this out to me and not just fixing it, I'm learning.		    $thispage['permalink'] = $serendipity['serendipityHTTPPath'] . 'index.php?serendipity[subpage]=' . $mykey;                    break;                case 'alias': // The title and the string used to match links                    $thispage['articleformattitle'] = $this->data['wikiName'];                    $thispage['pagetitle'] = $mykey;                    $thispage['headline'] = $elements[$key_a]->data;                    break;                case 'content': // The content of a voodoopad entry                case 'path': // The path of a url string                    $thispage['content'] = $elements[$key_a]->data;                    // If its a content link list it for referencing with the page permalink                    if ( $name == 'content' ){                        $aliases[$thispage['headline']] = $thispage['permalink'];                        // Either replace or insert depending on previous existence                        if (!isset($thispage['id'])) {                            echo '<br/>'.IMPORTER_VOODOO_CREATINGPAGE.': '. $mykey;                            serendipity_db_insert('staticpages', $thispage);                            $serendipity["POST"]["staticpage"] = serendipity_db_insert_id("staticpages", 'id');                         } elseif ($this->data['updateExisting'] == 'true') {                            echo '<br/>'.IMPORTER_VOODOO_UPDATINGPAGE.': '. $mykey;                            serendipity_db_update("staticpages", array("id" => $thispage["id"]), $thispage);                        } else {                            echo '<br/>'.IMPORTER_VOODOO_NOTUPDATING.': '. $mykey;                        }                    } else {                        // If its a url, the content is the link instead                        echo '<br/>'.IMPORTER_VOODOO_RECORDURL.': '.$thispage['headline'];                        $aliases[$thispage['headline']] = $thispage['content'];                    }                    break;                                  }        }        // Now rewrite the permalinks        echo '<br/>';        if ($this->data['shouldWriteLinks'] == 'true') {            Serendipity_Import_VoodooPad::write_links($aliases);        }        return true;    }    function write_links($aliases) {        // Here we run through the static pages database and put in cross links        // around the keywords in the text        global $serendipity;        // **TODO** Change this to pull out only entries for the current wiki        echo '<br/><p>'.IMPORTER_VOODOO_WRITEINTRALINKS.'</p>';                               $pages= &serendipity_db_query("SELECT * FROM {$serendipity['dbPrefix']}staticpages  ORDER BY pagetitle DESC");                   foreach ($pages as $thispage) {            // Parse the content string            foreach ($aliases as $alias => $permalink) {                $thispage['content'] = Serendipity_Import_VoodooPad::wikify($alias, $permalink, $thispage['content']);            }            for ($counter = 0; $counter <= 12; $counter+=1) {                unset ($thispage[$counter]);            }                   // Write back to the database            serendipity_db_update("staticpages", array("id" => $thispage["id"]), $thispage);        }                echo DONE . '<br />';    }     // Search and replace avoiding content of links    // **TODO** Fix this to avoid short links screwing up longer links    function wikify($alias, $link, $txt) {        $r = preg_split('((>)|(<))', $txt, -1, PREG_SPLIT_DELIM_CAPTURE);        $ns = '';        for ($i = 0; $i < count($r); $i++) {            if ($r[$i] == "<") {                $i+=2;                 continue;            }            $r[$i] = eregi_replace(sql_regcase($alias), '<a href="'.$link.'">'.$alias.'</a>', $r[$i]);        }        return join("", $r);    }  }            // XML Parser callbacksfunction start_element_handler($parser, $name, $attribs){    global $elements, $stack, $count, $depth;    $id = $count;    $element = new element;    $elements[$id] = $element;    $elements[$id]->name = $name;       while(list($key, $value) = each($attribs)) {        $elements[$id]->attributes[$key] = $value;    }      $elements[$id]->depth = $depth;   array_push($stack, $id);          $count++;   $depth++;}function end_element_handler($parser, $name){   global $stack, $depth;      array_pop($stack);      $depth--;}function character_data_handler($parser, $data){   global $elements, $stack;      $elements[$stack[count($stack)-1]]->data .= $data;}return 'Serendipity_Import_VoodooPad';?>