Could not find file '.$file.' in include_path
'); + } + fclose($fp); + include_once($file); + if (!class_exists($class)) { + die_semicritical('Wiki formatting engine error', 'Class '.$class.' does not exist after including '.$file.'
'); + } + } + + chdir($d); + + $obj =& new $class($rules); + return $obj; + } + + function setParseConf($rule, $arg1, $arg2 = null) + { + $rule = ucwords(strtolower($rule)); + + if (! isset($this->parseConf[$rule])) { + $this->parseConf[$rule] = array(); + } + + if (is_array($arg1)) { + $this->parseConf[$rule] = $arg1; + } else { + $this->parseConf[$rule][$arg1] = $arg2; + } + } + + function getParseConf($rule, $key = null) + { + $rule = ucwords(strtolower($rule)); + + if (! isset($this->parseConf[$rule])) { + return null; + } + + if (is_null($key)) { + return $this->parseConf[$rule]; + } + + if (isset($this->parseConf[$rule][$key])) { + return $this->parseConf[$rule][$key]; + } else { + return null; + } + } + + function setRenderConf($format, $rule, $arg1, $arg2 = null) + { + $format = ucwords(strtolower($format)); + $rule = ucwords(strtolower($rule)); + + if (! isset($this->renderConf[$format])) { + $this->renderConf[$format] = array(); + } + + if (! isset($this->renderConf[$format][$rule])) { + $this->renderConf[$format][$rule] = array(); + } + + if (is_array($arg1)) { + $this->renderConf[$format][$rule] = $arg1; + } else { + $this->renderConf[$format][$rule][$arg1] = $arg2; + } + } + + function getRenderConf($format, $rule, $key = null) + { + $format = ucwords(strtolower($format)); + $rule = ucwords(strtolower($rule)); + + if (! isset($this->renderConf[$format]) || + ! isset($this->renderConf[$format][$rule])) { + return null; + } + + if (is_null($key)) { + return $this->renderConf[$format][$rule]; + } + + if (isset($this->renderConf[$format][$rule][$key])) { + return $this->renderConf[$format][$rule][$key]; + } else { + return null; + } + + } + + function setFormatConf($format, $arg1, $arg2 = null) + { + if (! is_array($this->formatConf[$format])) { + $this->formatConf[$format] = array(); + } + + if (is_array($arg1)) { + $this->formatConf[$format] = $arg1; + } else { + $this->formatConf[$format][$arg1] = $arg2; + } + } + + function getFormatConf($format, $key = null) + { + if (! isset($this->formatConf[$format])) { + return null; + } + + if (is_null($key)) { + return $this->formatConf[$format]; + } + + if (isset($this->formatConf[$format][$key])) { + return $this->formatConf[$format][$key]; + } else { + return null; + } + } + + function insertRule($name, $tgt = null) + { + $name = ucwords(strtolower($name)); + if (! is_null($tgt)) { + $tgt = ucwords(strtolower($tgt)); + } + if (in_array($name, $this->rules)) { + return null; + } + + if (! is_null($tgt) && $tgt != '' && + ! in_array($tgt, $this->rules)) { + return false; + } + + if (is_null($tgt)) { + $this->rules[] = $name; + return true; + } + + if ($tgt == '') { + array_unshift($this->rules, $name); + return true; + } + + $tmp = $this->rules; + $this->rules = array(); + + foreach ($tmp as $val) { + $this->rules[] = $val; + if ($val == $tgt) { + $this->rules[] = $name; + } + } + + return true; + } + + function deleteRule($name) + { + $name = ucwords(strtolower($name)); + $key = array_search($name, $this->rules); + if ($key !== false) { + unset($this->rules[$key]); + } + } + + function changeRule($old, $new) + { + $old = ucwords(strtolower($old)); + $new = ucwords(strtolower($new)); + $key = array_search($old, $this->rules); + if ($key !== false) { + $this->deleteRule($new); + $this->rules[$key] = $new; + } + } + + function enableRule($name) + { + $name = ucwords(strtolower($name)); + $key = array_search($name, $this->disable); + if ($key !== false) { + unset($this->disable[$key]); + } + } + + function disableRule($name) + { + $name = ucwords(strtolower($name)); + $key = array_search($name, $this->disable); + if ($key === false) { + $this->disable[] = $name; + } + } + + function transform($text, $format = 'Xhtml') + { + $this->parse($text); + return $this->render($format); + } + + function parse($text) + { + $this->source = $text; + + $this->tokens = array(); + $this->_countRulesTokens = array(); + + foreach ($this->rules as $name) { + if (! in_array($name, $this->disable)) { + $this->loadParseObj($name); + + if (is_object($this->parseObj[$name])) { + $this->parseObj[$name]->parse(); + } + } + } + } + + function render($format = 'Xhtml') + { + $format = ucwords(strtolower($format)); + + $output = ''; + + $in_delim = false; + + $key = ''; + + $result = $this->loadFormatObj($format); + if ($this->isError($result)) { + return $result; + } + + if (is_object($this->formatObj[$format])) { + $output .= $this->formatObj[$format]->pre(); + } + + foreach (array_keys($this->_countRulesTokens) as $rule) { + $this->loadRenderObj($format, $rule); + } + + $k = strlen($this->source); + for ($i = 0; $i < $k; $i++) { + + $char = $this->source{$i}; + + if ($in_delim) { + + if ($char == $this->delim) { + + $key = (int)$key; + $rule = $this->tokens[$key][0]; + $opts = $this->tokens[$key][1]; + $output .= $this->renderObj[$rule]->token($opts); + $in_delim = false; + + } else { + + $key .= $char; + + } + + } else { + + if ($char == $this->delim) { + $key = ''; + $in_delim = true; + } else { + $output .= $char; + } + } + } + + if (is_object($this->formatObj[$format])) { + $output .= $this->formatObj[$format]->post(); + } + + return $output; + } + + function getSource() + { + return $this->source; + } + + function getTokens($rules = null) + { + if (is_null($rules)) { + return $this->tokens; + } else { + settype($rules, 'array'); + $result = array(); + foreach ($this->tokens as $key => $val) { + if (in_array($val[0], $rules)) { + $result[$key] = $val; + } + } + return $result; + } + } + + function addToken($rule, $options = array(), $id_only = false) + { + static $id; + if (! isset($id)) { + $id = 0; + } else { + $id ++; + } + + settype($options, 'array'); + + $this->tokens[$id] = array( + 0 => $rule, + 1 => $options + ); + if (!isset($this->_countRulesTokens[$rule])) { + $this->_countRulesTokens[$rule] = 1; + } else { + ++$this->_countRulesTokens[$rule]; + } + + if ($id_only) { + return $id; + } else { + return $this->delim . $id . $this->delim; + } + } + + function setToken($id, $rule, $options = array()) + { + $oldRule = $this->tokens[$id][0]; + $this->tokens[$id] = array( + 0 => $rule, + 1 => $options + ); + if ($rule != $oldRule) { + if (!($this->_countRulesTokens[$oldRule]--)) { + unset($this->_countRulesTokens[$oldRule]); + } + if (!isset($this->_countRulesTokens[$rule])) { + $this->_countRulesTokens[$rule] = 1; + } else { + ++$this->_countRulesTokens[$rule]; + } + } + } + + function loadParseObj($rule) + { + $rule = ucwords(strtolower($rule)); + $file = $rule . '.php'; + $class = "Text_Wiki_Parse_$rule"; + + if (! class_exists($class)) { + $loc = $this->findFile('parse', $file); + if ($loc) { + include_once $loc; + } else { + $this->parseObj[$rule] = null; + return $this->error( + "Parse rule '$rule' not found" + ); + } + } + + $this->parseObj[$rule] =& new $class($this); + + } + + function loadRenderObj($format, $rule) + { + $format = ucwords(strtolower($format)); + $rule = ucwords(strtolower($rule)); + $file = "$format/$rule.php"; + $class = "Text_Wiki_Render_$format" . "_$rule"; + + if (! class_exists($class)) { + $loc = $this->findFile('render', $file); + if ($loc) { + include_once $loc; + } else { + return $this->error( + "Render rule '$rule' in format '$format' not found" + ); + } + } + + $this->renderObj[$rule] =& new $class($this); + } + + function loadFormatObj($format) + { + $format = ucwords(strtolower($format)); + $file = $format . '.php'; + $class = "Text_Wiki_Render_$format"; + + if (! class_exists($class)) { + $loc = $this->findFile('render', $file); + if ($loc) { + include_once $loc; + } else { + return $this->error( + "Rendering format class '$class' not found" + ); + } + } + + $this->formatObj[$format] =& new $class($this); + } + + function addPath($type, $dir) + { + $dir = $this->fixPath($dir); + if (! isset($this->path[$type])) { + $this->path[$type] = array($dir); + } else { + array_unshift($this->path[$type], $dir); + } + } + + function getPath($type = null) + { + if (is_null($type)) { + return $this->path; + } elseif (! isset($this->path[$type])) { + return array(); + } else { + return $this->path[$type]; + } + } + + function findFile($type, $file) + { + $set = $this->getPath($type); + + foreach ($set as $path) { + $fullname = $path . $file; + if (file_exists($fullname) && is_readable($fullname)) { + return $fullname; + } + } + + return false; + } + + function fixPath($path) + { + $len = strlen($this->_dirSep); + + if (! empty($path) && + substr($path, -1 * $len, $len) != $this->_dirSep) { + return $path . $this->_dirSep; + } else { + return $path; + } + } + + function &error($message) + { + die($message); + } + + function isError(&$obj) + { + return is_a($obj, 'PEAR_Error'); + } +} + +?>