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syntax.php
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syntax.php
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<?php
/**
* Dir Plugin: Shows pages in one or namespaces in a table or list
*
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
* @author Jacobus Geluk <[email protected]>
* @based_on "pageindex" plugin by Kite <[email protected]>
* @based_on "externallink" plugin by Otto Vainio <[email protected]>
* @based_on "pagelist" plugin by Esther Brunner <[email protected]>
*
* Contributions by:
*
* - Jean-Philippe Prade
* - Gunther Hartmann
* - Sebastian Menge
* - Matthias Schulte
* - Geert Janssens
* - Gerry Weißbach
*/
if(!defined('DOKU_INC')) {
define ('DOKU_INC', realpath(dirname(__FILE__).'/../../').'/');
}
if(!defined('DOKU_PLUGIN')) {
define ('DOKU_PLUGIN', DOKU_INC.'lib/plugins/');
}
require_once (DOKU_PLUGIN.'syntax.php');
require_once (DOKU_INC.'inc/search.php');
require_once (DOKU_INC.'inc/pageutils.php');
define ("DIR_PLUGIN_PATTERN", "DIR");
/**
* The main DIR plugin class...
*/
class syntax_plugin_dir extends DokuWiki_Syntax_Plugin {
var $debug = false;
var $plugins = Array();
var $opts = Array();
var $cols = Array();
var $hdrs = Array();
var $pages = Array();
var $includeTags = Array();
var $excludeTags = Array();
var $hasTags = false;
var $style = "default";
var $rdr = NULL;
var $rdrMode = NULL;
var $start = "start";
var $dformat = NULL;
var $sortKeys = Array();
var $nbrOfSortKeys = 0;
var $useDefaultTitle = true;
var $modeIsXHTML = false;
var $modeIsLatex = false;
var $processedLatex = false;
var $rowNumber = 0;
var $ucnames = false;
/**
* Constructor
*/
function syntax_plugin_dir() {
global $conf;
//
// In the config you can set allowdebug, but you can also
// specify the debug attribute in the ~~DIR~~ line...
//
if($conf ["allowdebug"] == 1)
$this->debug = true;
$this->start = $conf ["start"];
$this->dformat = $conf ["dformat"];
$this->style = $this->getConf("style");
}
/**
* return some info
*/
function getInfo() {
return array(
'author' => 'Jacobus Geluk',
'email' => '[email protected]',
'date' => '2008-06-28',
'name' => 'Dir Plugin',
'desc' => 'Shows pages in one or namespaces in a table or list',
'url' => 'http://www.dokuwiki.org/plugin:dir',
);
}
/**
* What kind of syntax are we?
*/
function getType() {
return "substition";
}
/**
* Just before build in links
*/
function getSort() {
return 299;
}
/**
* What about paragraphs?
*/
function getPType() {
return "block";
}
/**
* Register the ~~DIR~~ verb...
* Supported signatures:
*
* 1. ~~DIR~~
* 2. ~~DIR:...~~
* 3. ~~DIR?...~~
*/
function connectTo($mode) {
$this->Lexer->addSpecialPattern('~~'.DIR_PLUGIN_PATTERN.'~~', $mode, 'plugin_dir');
$this->Lexer->addSpecialPattern('~~'.DIR_PLUGIN_PATTERN.'[:?][^~]*~~', $mode, 'plugin_dir');
}
/**
* Handle the match
*/
function handle($match, $state, $pos, Doku_Handler $handler) {
return preg_replace("%~~".DIR_PLUGIN_PATTERN.":(=(.*))?~~%", "\\2", $match);
}
/**
* Initialize the current object for each rendering pass
*/
function _initRender($mode, &$renderer) {
$rc = FALSE;
$this->rowNumber = 0;
$this->opts = Array();
$this->cols = Array();
$this->hdrs = Array();
$this->pages = Array();
$this->hasTags = false;
$this->excludeTags = Array();
$this->includeTags = Array();
$this->rdr =& $renderer;
$this->rdrMode = $mode;
switch($mode) {
case 'latex':
$this->modeIsXHTML = false;
$this->modeIsLatex = true;
$rc = TRUE;
break;
case 'xhtml':
$this->modeIsXHTML = true;
$this->modeIsLatex = false;
$rc = TRUE;
break;
default:
$this->modeIsXHTML = false;
$this->modeIsLatex = false;
}
return $rc;
}
/**
* Create output
*/
function render($mode, Doku_Renderer $renderer, $data) {
if(!$this->_initRender($mode, $renderer)) return false;
$rc = $this->_dir($data);
if($this->modeIsLatex) $this->processedLatex = true;
$this->_showDebugMsg("Leaving syntax_plugin_dir.render()");
return $rc;
}
/**
* Put a debug message on screen...
*/
function _showDebugMsg($msg) {
if(!$this->debug) return;
if(is_array($msg)) {
foreach($msg as $index => $m) {
$this->_showDebugMsg("Array [$index]: ".$m);
}
return;
}
$this->_putNewLine();
switch($this->rdrMode) {
case 'xhtml':
$this->_put(DOKU_LF."<span style=\"color:red;\">~~");
$this->_put(DIR_PLUGIN_PATTERN."~~: ".hsc($msg)."</span>");
break;
case 'latex':
$this->_put(DOKU_LF."~~");
$this->_put(DIR_PLUGIN_PATTERN."~~: ".$msg);
break;
}
}
/**
* Load the specified plugin (like the tag or discussion plugin)
*/
function _loadPlugin($plugin) {
if(plugin_isdisabled($plugin))
return false;
$plug = plugin_load('helper', $plugin);
if(!$plug) {
$this->_showDebugMsg("Plugin \"$plugin\" NOT loaded!");
return false;
}
$this->plugins [$plugin] = $plug;
$this->_showDebugMsg("Plugin \"$plugin\" loaded!");
return true;
}
/**
* Let another plugin generate the content...
*/
function _pluginCell($plugin, $id) {
$plug = $this->plugins [$plugin];
if(!$plug)
return 'Plugin '.$plugin.' not loaded!';
$html = $plug->td(cleanID($id));
return $html;
}
/**
* Shows parsed options (in debug mode)
*/
function _parseOptionsShow($data, $dir, $ns) {
if(!$this->debug) return;
$this->_put(DOKU_LF."<xmp style=\"font-family: Courier; color: red;\">");
$this->_put(DOKU_LF." data = $data");
$this->_put(DOKU_LF." dir = $dir");
$this->_put(DOKU_LF." ns = $ns");
foreach($this->opts as $key => $opt) {
if(is_array($opt)) {
foreach($opt as $optkey => $optval) {
$this->_put(DOKU_LF." opts[$key][$optkey] = $optval");
}
} else if(is_bool($opt)) {
$this->_put(DOKU_LF." opts[$key] = ".($opt ? "true" : "false"));
} else {
$this->_put(DOKU_LF." opts[$key] = $opt");
}
}
$this->_put(DOKU_LF.DOKU_LF."date: ".date("D M j G:i:s T Y"));
$this->_put(DOKU_LF."</xmp>".DOKU_LF);
}
/**
* Get the namespace of the parent directory
* (always prefixed and postfixed with a colon, root is ':')
*/
function _getParentNS($id) {
// global $ID ;
$curNS = getNS($id);
if($curNS == '') return ':';
if(substr($curNS, 0, 1) != ':') {
$curNS = ':'.$curNS;
}
return $curNS.':';
}
/**
* Create a fully qualified namespace from the specified one.
* The second parameter must be true when the given namespace
* is never a page id. In that case, the returned namespace
* always ends with a colon.
*/
function _parseNS($ns, $mustBeNSnoPage) {
global $ID;
if(substr($ns, 0, 2) == '.:') {
$ns = ':'.getNS($ID).substr($ns, 1);
} elseif(substr($ns, 0, 3) == '..:') {
$ns = $this->_getParentNS($ID).substr($ns, 3);
} elseif($ns == '..') {
$ns = $this->_getParentNS($ID);
} elseif(substr($ns, 0, 1) == ':') {
} elseif($ns == '.' || $ns == '*') {
$ns = ':'.getNS($ID);
} else {
$ns = ':'.getNS($ID).':'.$ns;
}
if($mustBeNSnoPage && substr($ns, -1) <> ':') $ns .= ':';
return $ns;
}
/**
* Convert namespace to its path
*/
function _ns2path($ns) {
global $conf;
if($ns == ':' || $ns == '') return $conf ['datadir'];
$ns = trim($ns, ':');
$path = $conf ['datadir'].'/'.utf8_encodeFN(str_replace(':', '/', $ns));
return $path;
}
/**
* Initialize the opts array...
*/
function _initOpts($flags) {
$this->opts = array();
$this->opts ["noheader"] = false;
$this->opts ["collapse"] = false;
$this->opts ["ego"] = false;
$this->opts ["namespacename"] = false;
$flags = explode('&', $flags);
foreach($flags as $index => $par) {
$tmp = explode("=", $par);
$key = $tmp [0];
$val = $tmp [1];
switch($key) {
case "skip":
case "cols":
case "hdrs":
case "sort":
case "tag":
$val = explode(';', trim($val, ';'));
$this->_loadPlugin("tag");
break;
case "noheader":
case "nohead":
case "nohdr":
$key = "noheader";
$val = true;
break;
case "showheader":
case "header":
$key = "noheader";
$val = false;
break;
case "collapse":
$key = "collapse";
$val = true;
break;
case "ego":
$key = "ego";
$val = true;
break;
case "nodefaulttitle":
case "ndt":
$key = "nodefaulttitle";
$val = true;
$this->useDefaultTitle = false;
break;
case "widedesc":
$val = true;
break;
case "table":
$this->style = "table";
break;
case "list":
$this->style = "list";
break;
case "namespacename":
$key = "namespacename";
$val = true;
break;
case "ucnames":
$this->ucnames = true;
break;
case "debug":
$this->debug = true;
break;
case "last":
$key = 'maxrows';
$val = intval($val);
break;
}
$this->opts [$key] = $val;
}
}
/**
* Check the supplied column names
*/
function _parseColumnNames() {
if(is_array($this->opts ["cols"])) {
$this->cols = $this->opts ["cols"];
} else {
$this->cols = Array("page");
}
if(count($this->cols) == 0) {
$cols [] = "page";
$cols [] = "desc";
}
$newCols = Array();
foreach($this->cols as $index => $col) {
switch($col) {
case "page":
case "desc":
case "user":
case "userid":
case "mdate":
case "cdate":
case "rowno":
break;
case "comments":
$this->_loadPlugin("discussion");
break;
case "tags":
$this->_loadPlugin("tag");
break;
case "date":
$col = "mdate";
break;
case "description":
$col = "desc";
break;
default:
$this->_showDebugMsg("Unrecognized column name: \"$col\"");
$col = '';
}
if($col != '') {
$this->_showDebugMsg("Recognized column name: $col");
$newCols [] = $col;
}
}
$this->cols = $newCols;
if(count($this->opts ["hdrs"]) != count($this->cols)) {
$this->_showDebugMsg(
"The number of specified headers (".count($this->opts ["hdrs"]).
") is not equal to the number of specified columns (".
count($this->cols).")!"
);
}
}
/**
* Check the supplied tags
*/
function _parseTags() {
$this->hasTags = false;
if(is_array($this->opts ["tag"])) {
foreach($this->opts ["tag"] as $tag) {
if($tag == NULL || $tag == '')
continue;
$tag = mb_convert_case($tag, MB_CASE_LOWER, "UTF-8");
if(substr($tag, 0, 1) == '!') {
$this->excludeTags [] = substr($tag, 1);
} else {
$this->includeTags [] = $tag;
}
$this->hasTags = true;
}
foreach($this->excludeTags as $tag) {
$this->_showDebugMsg("Specified exclude tag: $tag");
}
foreach($this->includeTags as $tag) {
$this->_showDebugMsg("Specified include tag: $tag");
}
}
}
/**
* Check the supplied sort keys
*/
function _parseSortKeys() {
if(is_array($this->opts ["sort"])) {
$this->sortKeys = $this->opts ["sort"];
}
$sortKeys = Array();
foreach($this->sortKeys as $index => $sortKey) {
$array = explode('-', strtolower($sortKey));
if(count($array) == 1) {
$array = Array($sortKey, "a");
}
switch($array [1]) {
case NULL:
case "a":
case "asc":
case "ascending":
$array [1] = false;
break;
case "d":
case "desc":
case "descending":
$array [1] = true;
break;
default:
$this->_showDebugMsg(
"Unrecognized sort column name modifier: ".
$array [1]
);
$array [1] = false;
}
switch($array [0]) {
case "page":
case "desc":
case "user":
case "userid":
case "mdate":
case "cdate":
case "rowno":
break;
case "comments":
$this->_loadPlugin("discussion");
break;
case "tags":
$this->_loadPlugin("tag");
break;
case "date":
$array [0] = "mdate";
break;
case "description":
$array [0] = "desc";
break;
default:
$this->_showDebugMsg(
"Unrecognized sort column name: ".$array [0]
);
$array [0] = NULL;
}
if($array [0]) {
$this->_showDebugMsg(
"Sort column ".$array [0]." ".
($array [1] ? "descending" : "ascending")
);
$sortKeys [] = $array;
}
}
$this->sortKeys = $sortKeys;
$this->nbrOfSortKeys = count($this->sortKeys);
}
/**
* Add a page to the collection of $pages. Check first if it should
* not be skipped...
*/
function _addFoundPage(&$data, $ns, $id, $type, $level) {
global $ID;
$fqid = $ns.$id; // Fully qualified id...
//
// If this file or directory should be skipped, do so
//
switch($type) {
case "f":
if(($fqid == ':'.$ID) && !$this->opts ["ego"]) // If we found ourself, skip it
return false;
$pageName = noNS($id);
if($pageName == $this->start)
return false;
foreach($this->opts ["skipfqid"] as $index => $skipitem) {
if($skipitem) {
if($skipitem == $fqid) {
//
// Remove the skip rule, it has no use any more...
//
$this->opts ["skipfqid"] [$index] = NULL;
$this->_showDebugMsg("Skipping $fqid due to skip rule $skipitem");
return false;
}
}
}
if($this->opts ["collapse"]) {
// With collapse, only show:
// - pages within the same namespace as the current page
if($this->_getParentNS($fqid) != $this->_getParentNS($ID)) {
return false;
}
}
$linkid = $fqid;
break;
case "d":
$fqid .= ':';
foreach($this->opts ["skipns"] as $skipitem) {
if($skipitem == $fqid) {
$this->_showDebugMsg("Skipping $fqid due to skip rule $skipitem");
return false;
}
}
// Don't add startpages the user isn't authorized to read
if(auth_quickaclcheck(substr($linkid, 1)) < AUTH_READ)
return false;
if($this->opts ["collapse"]) {
// With collapse, only show:
// - sibling namespaces of the current namespace and it's ancestors
$curPathSplit = explode(":", trim(getNS($ID), ":"));
$fqidPathSplit = explode(":", trim(getNS($fqid), ":"));
// Find the last parent namespace that matches
// If there is only one more child namespace in the namespace under evaluation,
// Then this is a sibling of one of the parent namespaces of the current page.
// Siblings are ok, grandchild namespaces and below should be skipped (for collapse).
$clevel = 0;
if(count($curPathSplit) > 0) {
while(($clevel < count($fqidPathSplit) - 1) && ($clevel < count($curPathSplit))) {
if($curPathSplit[$clevel] == $fqidPathSplit[$clevel]) {
$clevel++;
} else {
break;
}
}
}
if(count($fqidPathSplit) > $clevel + 1) {
return false;
}
}
$linkid = $fqid.$this->start;
break;
}
// $this->_showDebugMsg ("$level $type $ns$id:");
if($this->ucnames) {
$fqid = str_replace('_'," ",$fqid);
// $fqid = ltrim($fqid , ':');
$fqid = preg_replace_callback(
'|:\w|',
function ($matches) {
return strtoupper($matches[0]);
},
$fqid
);
$fqid = ucwords($fqid);
}
$data [] = array(
'id' => $fqid,
'type' => $type,
'level' => $level,
'linkid' => $linkid,
'timestamp' => NULL
);
return true;
}
/**
* Callback method for the search function in _parseOptions
*/
function _searchDir(&$data, $base, $file, $type, $level, $opts) {
global $ID;
$ns = $opts ["ns"];
switch($type) {
case "d":
return $this->_addFoundPage($data, $ns, pathID($file), $type, $level);
case "f":
if(!preg_match('#\.txt$#', $file))
return false;
//check ACL
$id = pathID($file);
if(auth_quickaclcheck($id) < AUTH_READ)
return false;
$this->_addFoundPage($data, $ns, $id, $type, $level);
}
return false;
}
/**
* Parse the options after the ~~DIR: string and
* return true if the table can be generated...
*
* A namespace specifaction should start with a colon and the flags
* should start with a question mark, like this:
*
* ~~DIR[[:<namespace>][?<flags>]]~~
*
* To not break pages created with an older version of this plugin, this
* syntax is also supported:
*
* ~~DIR:<flags>~~
*
* This assumes that no other colon is put in <flags>
*/
function _parseOptions($data) {
global $conf;
global $ID;
$ns = '.';
$flags = trim($data, '~');
$flags = substr($flags, strlen(DIR_PLUGIN_PATTERN));
$flags = trim($flags);
$this->_showDebugMsg("specified arguments=".$flags);
if(
substr($flags, 0, 1) == ':' &&
strpos(substr($flags, 1), '?') === FALSE &&
strpos(substr($flags, 1), ':') === FALSE
) {
//
// This is the "old" syntax where flags do not start with a question mark
//
$this->_showDebugMsg("parseOptions A");
$flags = substr($flags, 1);
} else if(
substr($flags, 0, 1) == ':' &&
strpos(substr($flags, 1), '?') === FALSE
) {
//
// There is no questionmark so it's all namespace specification
//
$this->_showDebugMsg("parseOptions B");
$ns = substr($flags, 1);
$flags = '';
} else if(substr($flags, 0, 1) == '?') {
$this->_showDebugMsg("parseOptions C");
$flags = substr($flags, 1);
} else if(strlen($flags) == 0) {
$this->_showDebugMsg("parseOptions D");
} else if(
strpos(substr($flags, 1), '?') !== FALSE
) {
$this->_showDebugMsg("parseOptions E");
$tmp = explode('?', $flags);
if(count($tmp) == 2) {
$ns = substr($tmp [0], 1);
$flags = $tmp [1];
} else {
$this->_showDebugMsg("ERROR: Multiple questionmarks are not supported");
$flags = '';
}
} else {
$this->_showDebugMsg("parseOptions E");
$ns = $flags;
$flags = '';
}
$this->_showDebugMsg("specified namespace=$ns");
$this->_showDebugMsg("specified flags=$flags");
$ns = $this->_parseNS($ns, true);
$path = $this->_ns2path($ns);
$this->_showDebugMsg("path=$path");
$this->_initOpts($flags);
$this->_parseColumnNames();
$this->_parseSortKeys();
$this->_parseTags();
//
// Check the column headers
//
$this->hdrs = $this->cols;
if(is_array($this->opts ["hdrs"])) {
foreach($this->opts ["hdrs"] as $index => $hdr) {
$this->hdrs [$index] = $hdr;
}
}
//
// Check the skip items
//
$this->opts ["skipfqid"] = Array();
$this->opts ["skipns"] = Array();
if(is_array($this->opts ["skip"])) {
foreach($this->opts ["skip"] as $skipitem) {
$item = $this->_parseNS($skipitem, false);
if(substr($item, -1) == ":") {
$this->opts ["skipns"] [] = $item;
} else {
$this->opts ["skipfqid"] [] = $item;
}
}
}
$this->_parseOptionsShow($data, $path, $ns);
//
// Search the directory $dir, only if the pages array
// is empty, since we can pass here several times (xhtml, latex).
//
$this->_showDebugMsg("Search directory $path");
$this->_showDebugMsg("for namespace $ns");
if(count($this->pages) == 0) {
search(
$this->pages, // results
$path, // folder root
array($this, '_searchDir'), // handler
array('ns' => $ns) // namespace
);
}
$count = count($this->pages);
$this->_showDebugMsg("Found ".$count." pages!");
if($count == 0) {
$this->_put(DOKU_LF."\t<p>There are no documents to show.</p>".DOKU_LF);
return false;
}
$this->_sortResult();
if ( !empty($this->opts['maxrows']) && $this->opts['maxrows'] > 0 ) {
$this->pages = array_slice($this->pages, 0, $this->opts['maxrows']);
}
return true;
}
/**
* Sort the found pages according to the settings
*/
function _sortResult() {
if($this->nbrOfSortKeys == 0)
return;
usort($this->pages, array($this, "_sortPage"));
}
/**
* Compare function for usort
*/
function _sortPage($a, $b) {
return $this->_sortPageByKey($a, $b, 0);
}
function _sortPageByKey(&$a, &$b, $index) {
if($index >= $this->nbrOfSortKeys)
return 0;
$keyType = $this->sortKeys [$index];
$sortKeyA = $this->_getSortKey($a, $keyType [0]);
$sortKeyB = $this->_getSortKey($b, $keyType [0]);
if($sortKeyA == $sortKeyB)
return $this->_sortPageByKey($a, $b, $index + 1);
if($keyType [1]) {
$tmp = $sortKeyA;
$sortKeyA = $sortKeyB;
$sortKeyB = $tmp;
}
return ($sortKeyA < $sortKeyB) ? -1 : 1;
}
/**
* Produces a sortable key
*/
function _getSortKey(&$page, $keyType) {
switch($keyType) {
case "page":
return html_wikilink($page ["id"]);
case "desc":
case "widedesc":
return $this->_getMeta($page, "description", "abstract");
case "mdate":
return $this->_getMeta($page, "date", "modified");
case "cdate":
return $this->_getMeta($page, "date", "created");
case "user":
$users = $this->_getMeta($page, "contributor");
if(is_array($users)) {
$index = 0;
foreach($users as $userid => $user) {
if($user && $user <> "") {
return $user;
}
}
}
return $users;
case "userid":
$users = $this->_getMeta($page, "contributor");
if(is_array($users)) {
$index = 0;
foreach($users as $userid => $user) {
if($userid && $userid <> "") {
return $userid;
}
}
}
return $users;
case "comments":
return $this->_pluginCell("discussion", $page ["linkid"]);
case "tags":
return $this->_pluginCell("tag", $page ["linkid"]);
case "rowno":
return '0';
}
return NULL;
}
/**
* Generate the content for the cell with the page link...
*/
function _tableCellContentID(&$page) {
$fqid = $page ["id"];
$tmplvl = $page ["level"] - 1;
$spacerWidth = $tmplvl * 20;
$pageid = $fqid;
$name = NULL;
if($page ["type"] == 'd') {
if($this->opts ["namespacename"]) {
$pieces = explode(':', trim($pageid, ':'));
$name = array_pop($pieces);
}
$pageid .= ':'.$this->start;
}
if(!$this->useDefaultTitle) {
$name = explode(':', $fqid);
$name = ucfirst($name [count($name) - 1]);
}
switch($this->rdrMode) {
case 'latex':
$this->rdr->internallink($pageid, $name);
break;
case 'xhtml':
if($spacerWidth > 0) {
$this->_put('<div style="margin-left: '.$spacerWidth.'px;">');
}
if($page ["type"] == 'd' && $this->ucnames) {
$dirlnk = html_wikilink($pageid, $name);
$dirlnk = str_replace('wikilink2', 'wikilink',$dirlnk);
$this->_put($dirlnk);
}
else $this->_put(html_wikilink($pageid, $name));
if($spacerWidth > 0) {
$this->_put('</div>');
}
break;
}
}
/**
* Get default value for an unset element
*/
function _getMeta(&$page, $key1, $key2 = NULL) {
if(!isset ($page ["meta"]))
$page ["meta"] = p_get_metadata($page ["linkid"], false, true);
//
// Use "created" instead of "modified" if null
//
if(
$key1 == "date" &&
$key2 == "modified" &&
!isset ($page ["meta"]["date"]["modified"])
) {
$key2 = "created";
}
//
// Return "creator" if "contributor" is null
//
if($key1 == "contributor" && !isset ($page ["meta"]["contributor"])) {
$key1 = "creator";
}
if(is_string($key2)) return $page ["meta"] [$key1] [$key2];
return $page ["meta"] [$key1];