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<?php
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/**
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* Parse structured wiki text and render into arbitrary formats such as XHTML.
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*
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* PHP versions 4 and 5
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*
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* @category Text
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* @package Text_Wiki
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* @author Paul M. Jones <pmjones@php.net>
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* @license http://www.gnu.org/licenses/lgpl.html
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* @version CVS: $Id: Wiki.php,v 1.44 2006/03/02 04:04:59 justinpatrin Exp $
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* @link http://wiki.ciaweb.net/yawiki/index.php?area=Text_Wiki
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*
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* This code was modified for use in Enano. The Text_Wiki engine is licensed
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* under the GNU Lesser General Public License; see
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* http://www.gnu.org/licenses/lgpl.html for details.
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*
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*/
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require_once ENANO_ROOT.'/includes/wikiengine/Parse.php';
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require_once ENANO_ROOT.'/includes/wikiengine/Render.php';
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class Text_Wiki {
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var $rules = array(
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'Prefilter',
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'Delimiter',
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'Code',
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'Function',
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'Html',
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'Raw',
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'Include',
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'Embed',
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'Anchor',
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'Heading',
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'Toc',
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'Horiz',
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'Break',
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'Blockquote',
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'List',
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'Deflist',
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'Table',
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'Image',
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'Phplookup',
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'Center',
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'Newline',
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'Paragraph',
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'Url',
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'Freelink',
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'Interwiki',
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'Wikilink',
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'Colortext',
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'Strong',
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'Bold',
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'Emphasis',
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'Italic',
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'Underline',
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'Tt',
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'Superscript',
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'Subscript',
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'Revise',
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'Tighten'
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);
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var $disable = array(
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'Html',
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'Include',
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'Embed'
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);
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var $parseConf = array();
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var $renderConf = array(
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'Docbook' => array(),
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'Latex' => array(),
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'Pdf' => array(),
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'Plain' => array(),
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'Rtf' => array(),
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'Xhtml' => array()
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);
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var $formatConf = array(
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'Docbook' => array(),
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'Latex' => array(),
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'Pdf' => array(),
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'Plain' => array(),
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'Rtf' => array(),
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'Xhtml' => array()
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);
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var $delim = "\xFF";
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var $tokens = array();
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var $_countRulesTokens = array();
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var $source = '';
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var $parseObj = array();
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var $renderObj = array();
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var $formatObj = array();
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var $path = array(
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'parse' => array(),
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'render' => array()
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);
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var $_dirSep = DIRECTORY_SEPARATOR;
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function Text_Wiki($rules = null)
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{
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if (is_array($rules)) {
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$this->rules = $rules;
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}
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$this->addPath(
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'parse',
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$this->fixPath(ENANO_ROOT) . 'includes/wikiengine/Parse/Default/'
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);
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$this->addPath(
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'render',
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$this->fixPath(ENANO_ROOT) . 'includes/wikiengine/Render/'
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);
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}
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function &singleton($parser = 'Default', $rules = null)
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{
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static $only = array();
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if (!isset($only[$parser])) {
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$ret =& Text_Wiki::factory($parser, $rules);
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if (!$ret) {
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return $ret;
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}
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$only[$parser] =& $ret;
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}
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return $only[$parser];
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}
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function &factory($parser = 'Default', $rules = null)
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{
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$d=getcwd();
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chdir(ENANO_ROOT);
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$class = 'Text_Wiki_' . $parser;
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$c2 = '._includes_wikiengine_' . $parser;
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$file = str_replace('_', '/', $c2).'.php';
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if (!class_exists($class)) {
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$fp = @fopen($file, 'r', true);
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if ($fp === false) {
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die_semicritical('Wiki formatting engine error', '<p>Could not find file '.$file.' in include_path</p>');
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}
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fclose($fp);
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include_once($file);
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if (!class_exists($class)) {
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die_semicritical('Wiki formatting engine error', '<p>Class '.$class.' does not exist after including '.$file.'</p>');
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}
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}
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chdir($d);
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$obj =& new $class($rules);
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return $obj;
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}
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function setParseConf($rule, $arg1, $arg2 = null)
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{
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$rule = ucwords(strtolower($rule));
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if (! isset($this->parseConf[$rule])) {
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$this->parseConf[$rule] = array();
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}
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if (is_array($arg1)) {
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$this->parseConf[$rule] = $arg1;
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} else {
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$this->parseConf[$rule][$arg1] = $arg2;
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}
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}
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function getParseConf($rule, $key = null)
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{
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$rule = ucwords(strtolower($rule));
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if (! isset($this->parseConf[$rule])) {
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return null;
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}
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if (is_null($key)) {
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return $this->parseConf[$rule];
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}
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if (isset($this->parseConf[$rule][$key])) {
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return $this->parseConf[$rule][$key];
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} else {
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return null;
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}
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}
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function setRenderConf($format, $rule, $arg1, $arg2 = null)
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{
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$format = ucwords(strtolower($format));
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$rule = ucwords(strtolower($rule));
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if (! isset($this->renderConf[$format])) {
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$this->renderConf[$format] = array();
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}
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if (! isset($this->renderConf[$format][$rule])) {
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$this->renderConf[$format][$rule] = array();
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}
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if (is_array($arg1)) {
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$this->renderConf[$format][$rule] = $arg1;
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} else {
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$this->renderConf[$format][$rule][$arg1] = $arg2;
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}
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}
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function getRenderConf($format, $rule, $key = null)
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{
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$format = ucwords(strtolower($format));
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$rule = ucwords(strtolower($rule));
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if (! isset($this->renderConf[$format]) ||
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! isset($this->renderConf[$format][$rule])) {
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return null;
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}
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if (is_null($key)) {
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return $this->renderConf[$format][$rule];
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}
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if (isset($this->renderConf[$format][$rule][$key])) {
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return $this->renderConf[$format][$rule][$key];
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} else {
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return null;
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}
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}
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function setFormatConf($format, $arg1, $arg2 = null)
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{
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if (! is_array($this->formatConf[$format])) {
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$this->formatConf[$format] = array();
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}
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if (is_array($arg1)) {
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$this->formatConf[$format] = $arg1;
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} else {
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$this->formatConf[$format][$arg1] = $arg2;
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}
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}
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function getFormatConf($format, $key = null)
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{
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if (! isset($this->formatConf[$format])) {
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return null;
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}
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if (is_null($key)) {
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return $this->formatConf[$format];
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}
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if (isset($this->formatConf[$format][$key])) {
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return $this->formatConf[$format][$key];
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} else {
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return null;
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}
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}
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function insertRule($name, $tgt = null)
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{
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$name = ucwords(strtolower($name));
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if (! is_null($tgt)) {
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$tgt = ucwords(strtolower($tgt));
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}
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if (in_array($name, $this->rules)) {
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return null;
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}
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if (! is_null($tgt) && $tgt != '' &&
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! in_array($tgt, $this->rules)) {
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return false;
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}
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if (is_null($tgt)) {
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$this->rules[] = $name;
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return true;
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}
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if ($tgt == '') {
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array_unshift($this->rules, $name);
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return true;
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}
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$tmp = $this->rules;
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$this->rules = array();
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foreach ($tmp as $val) {
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$this->rules[] = $val;
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if ($val == $tgt) {
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$this->rules[] = $name;
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}
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}
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return true;
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}
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function deleteRule($name)
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{
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$name = ucwords(strtolower($name));
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$key = array_search($name, $this->rules);
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if ($key !== false) {
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unset($this->rules[$key]);
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}
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}
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function changeRule($old, $new)
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{
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$old = ucwords(strtolower($old));
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$new = ucwords(strtolower($new));
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$key = array_search($old, $this->rules);
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if ($key !== false) {
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$this->deleteRule($new);
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$this->rules[$key] = $new;
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}
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}
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function enableRule($name)
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{
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$name = ucwords(strtolower($name));
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$key = array_search($name, $this->disable);
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if ($key !== false) {
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unset($this->disable[$key]);
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}
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}
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function disableRule($name)
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{
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$name = ucwords(strtolower($name));
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$key = array_search($name, $this->disable);
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if ($key === false) {
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$this->disable[] = $name;
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}
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}
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function transform($text, $format = 'Xhtml')
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{
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$this->parse($text);
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return $this->render($format);
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}
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function parse($text)
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{
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$this->source = $text;
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$this->tokens = array();
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$this->_countRulesTokens = array();
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foreach ($this->rules as $name) {
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if (! in_array($name, $this->disable)) {
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$this->loadParseObj($name);
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if (is_object($this->parseObj[$name])) {
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$this->parseObj[$name]->parse();
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}
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}
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}
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}
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function render($format = 'Xhtml')
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{
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$format = ucwords(strtolower($format));
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$output = '';
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$in_delim = false;
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$key = '';
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$result = $this->loadFormatObj($format);
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if ($this->isError($result)) {
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return $result;
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}
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379 |
if (is_object($this->formatObj[$format])) {
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380 |
$output .= $this->formatObj[$format]->pre();
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}
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foreach (array_keys($this->_countRulesTokens) as $rule) {
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$this->loadRenderObj($format, $rule);
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}
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386 |
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387 |
$k = strlen($this->source);
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388 |
for ($i = 0; $i < $k; $i++) {
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389 |
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390 |
$char = $this->source{$i};
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391 |
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392 |
if ($in_delim) {
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393 |
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394 |
if ($char == $this->delim) {
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395 |
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396 |
$key = (int)$key;
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|
397 |
$rule = $this->tokens[$key][0];
|
|
|
398 |
$opts = $this->tokens[$key][1];
|
|
|
399 |
$output .= $this->renderObj[$rule]->token($opts);
|
|
|
400 |
$in_delim = false;
|
|
|
401 |
|
|
|
402 |
} else {
|
|
|
403 |
|
|
|
404 |
$key .= $char;
|
|
|
405 |
|
|
|
406 |
}
|
|
|
407 |
|
|
|
408 |
} else {
|
|
|
409 |
|
|
|
410 |
if ($char == $this->delim) {
|
|
|
411 |
$key = '';
|
|
|
412 |
$in_delim = true;
|
|
|
413 |
} else {
|
|
|
414 |
$output .= $char;
|
|
|
415 |
}
|
|
|
416 |
}
|
|
|
417 |
}
|
|
|
418 |
|
|
|
419 |
if (is_object($this->formatObj[$format])) {
|
|
|
420 |
$output .= $this->formatObj[$format]->post();
|
|
|
421 |
}
|
|
|
422 |
|
|
|
423 |
return $output;
|
|
|
424 |
}
|
|
|
425 |
|
|
|
426 |
function getSource()
|
|
|
427 |
{
|
|
|
428 |
return $this->source;
|
|
|
429 |
}
|
|
|
430 |
|
|
|
431 |
function getTokens($rules = null)
|
|
|
432 |
{
|
|
|
433 |
if (is_null($rules)) {
|
|
|
434 |
return $this->tokens;
|
|
|
435 |
} else {
|
|
|
436 |
settype($rules, 'array');
|
|
|
437 |
$result = array();
|
|
|
438 |
foreach ($this->tokens as $key => $val) {
|
|
|
439 |
if (in_array($val[0], $rules)) {
|
|
|
440 |
$result[$key] = $val;
|
|
|
441 |
}
|
|
|
442 |
}
|
|
|
443 |
return $result;
|
|
|
444 |
}
|
|
|
445 |
}
|
|
|
446 |
|
|
|
447 |
function addToken($rule, $options = array(), $id_only = false)
|
|
|
448 |
{
|
|
|
449 |
static $id;
|
|
|
450 |
if (! isset($id)) {
|
|
|
451 |
$id = 0;
|
|
|
452 |
} else {
|
|
|
453 |
$id ++;
|
|
|
454 |
}
|
|
|
455 |
|
|
|
456 |
settype($options, 'array');
|
|
|
457 |
|
|
|
458 |
$this->tokens[$id] = array(
|
|
|
459 |
0 => $rule,
|
|
|
460 |
1 => $options
|
|
|
461 |
);
|
|
|
462 |
if (!isset($this->_countRulesTokens[$rule])) {
|
|
|
463 |
$this->_countRulesTokens[$rule] = 1;
|
|
|
464 |
} else {
|
|
|
465 |
++$this->_countRulesTokens[$rule];
|
|
|
466 |
}
|
|
|
467 |
|
|
|
468 |
if ($id_only) {
|
|
|
469 |
return $id;
|
|
|
470 |
} else {
|
|
|
471 |
return $this->delim . $id . $this->delim;
|
|
|
472 |
}
|
|
|
473 |
}
|
|
|
474 |
|
|
|
475 |
function setToken($id, $rule, $options = array())
|
|
|
476 |
{
|
|
|
477 |
$oldRule = $this->tokens[$id][0];
|
|
|
478 |
$this->tokens[$id] = array(
|
|
|
479 |
0 => $rule,
|
|
|
480 |
1 => $options
|
|
|
481 |
);
|
|
|
482 |
if ($rule != $oldRule) {
|
|
|
483 |
if (!($this->_countRulesTokens[$oldRule]--)) {
|
|
|
484 |
unset($this->_countRulesTokens[$oldRule]);
|
|
|
485 |
}
|
|
|
486 |
if (!isset($this->_countRulesTokens[$rule])) {
|
|
|
487 |
$this->_countRulesTokens[$rule] = 1;
|
|
|
488 |
} else {
|
|
|
489 |
++$this->_countRulesTokens[$rule];
|
|
|
490 |
}
|
|
|
491 |
}
|
|
|
492 |
}
|
|
|
493 |
|
|
|
494 |
function loadParseObj($rule)
|
|
|
495 |
{
|
|
|
496 |
$rule = ucwords(strtolower($rule));
|
|
|
497 |
$file = $rule . '.php';
|
|
|
498 |
$class = "Text_Wiki_Parse_$rule";
|
|
|
499 |
|
|
|
500 |
if (! class_exists($class)) {
|
|
|
501 |
$loc = $this->findFile('parse', $file);
|
|
|
502 |
if ($loc) {
|
|
|
503 |
include_once $loc;
|
|
|
504 |
} else {
|
|
|
505 |
$this->parseObj[$rule] = null;
|
|
|
506 |
return $this->error(
|
|
|
507 |
"Parse rule '$rule' not found"
|
|
|
508 |
);
|
|
|
509 |
}
|
|
|
510 |
}
|
|
|
511 |
|
|
|
512 |
$this->parseObj[$rule] =& new $class($this);
|
|
|
513 |
|
|
|
514 |
}
|
|
|
515 |
|
|
|
516 |
function loadRenderObj($format, $rule)
|
|
|
517 |
{
|
|
|
518 |
$format = ucwords(strtolower($format));
|
|
|
519 |
$rule = ucwords(strtolower($rule));
|
|
|
520 |
$file = "$format/$rule.php";
|
|
|
521 |
$class = "Text_Wiki_Render_$format" . "_$rule";
|
|
|
522 |
|
|
|
523 |
if (! class_exists($class)) {
|
|
|
524 |
$loc = $this->findFile('render', $file);
|
|
|
525 |
if ($loc) {
|
|
|
526 |
include_once $loc;
|
|
|
527 |
} else {
|
|
|
528 |
return $this->error(
|
|
|
529 |
"Render rule '$rule' in format '$format' not found"
|
|
|
530 |
);
|
|
|
531 |
}
|
|
|
532 |
}
|
|
|
533 |
|
|
|
534 |
$this->renderObj[$rule] =& new $class($this);
|
|
|
535 |
}
|
|
|
536 |
|
|
|
537 |
function loadFormatObj($format)
|
|
|
538 |
{
|
|
|
539 |
$format = ucwords(strtolower($format));
|
|
|
540 |
$file = $format . '.php';
|
|
|
541 |
$class = "Text_Wiki_Render_$format";
|
|
|
542 |
|
|
|
543 |
if (! class_exists($class)) {
|
|
|
544 |
$loc = $this->findFile('render', $file);
|
|
|
545 |
if ($loc) {
|
|
|
546 |
include_once $loc;
|
|
|
547 |
} else {
|
|
|
548 |
return $this->error(
|
|
|
549 |
"Rendering format class '$class' not found"
|
|
|
550 |
);
|
|
|
551 |
}
|
|
|
552 |
}
|
|
|
553 |
|
|
|
554 |
$this->formatObj[$format] =& new $class($this);
|
|
|
555 |
}
|
|
|
556 |
|
|
|
557 |
function addPath($type, $dir)
|
|
|
558 |
{
|
|
|
559 |
$dir = $this->fixPath($dir);
|
|
|
560 |
if (! isset($this->path[$type])) {
|
|
|
561 |
$this->path[$type] = array($dir);
|
|
|
562 |
} else {
|
|
|
563 |
array_unshift($this->path[$type], $dir);
|
|
|
564 |
}
|
|
|
565 |
}
|
|
|
566 |
|
|
|
567 |
function getPath($type = null)
|
|
|
568 |
{
|
|
|
569 |
if (is_null($type)) {
|
|
|
570 |
return $this->path;
|
|
|
571 |
} elseif (! isset($this->path[$type])) {
|
|
|
572 |
return array();
|
|
|
573 |
} else {
|
|
|
574 |
return $this->path[$type];
|
|
|
575 |
}
|
|
|
576 |
}
|
|
|
577 |
|
|
|
578 |
function findFile($type, $file)
|
|
|
579 |
{
|
|
|
580 |
$set = $this->getPath($type);
|
|
|
581 |
|
|
|
582 |
foreach ($set as $path) {
|
|
|
583 |
$fullname = $path . $file;
|
|
|
584 |
if (file_exists($fullname) && is_readable($fullname)) {
|
|
|
585 |
return $fullname;
|
|
|
586 |
}
|
|
|
587 |
}
|
|
|
588 |
|
|
|
589 |
return false;
|
|
|
590 |
}
|
|
|
591 |
|
|
|
592 |
function fixPath($path)
|
|
|
593 |
{
|
|
|
594 |
$len = strlen($this->_dirSep);
|
|
|
595 |
|
|
|
596 |
if (! empty($path) &&
|
|
|
597 |
substr($path, -1 * $len, $len) != $this->_dirSep) {
|
|
|
598 |
return $path . $this->_dirSep;
|
|
|
599 |
} else {
|
|
|
600 |
return $path;
|
|
|
601 |
}
|
|
|
602 |
}
|
|
|
603 |
|
|
|
604 |
function &error($message)
|
|
|
605 |
{
|
|
|
606 |
die($message);
|
|
|
607 |
}
|
|
|
608 |
|
|
|
609 |
function isError(&$obj)
|
|
|
610 |
{
|
|
|
611 |
return is_a($obj, 'PEAR_Error');
|
|
|
612 |
}
|
|
|
613 |
}
|
|
|
614 |
|
|
|
615 |
?>
|