* @copyright 2004 Peter Valicek Peter Valicek */ class HtmlFormParser { /** * Core HTML Data * @access public * @var string * @see HtmlFormParser() */ var $html_data = ''; /** * Param Array of all Elemets * @access private * @var array */ var $_return = array(); /** * Form counter * @access private * @var int */ var $_counter = ''; /** * Form button Counter * @access private * @var int * @see parseForms() */ var $button_counter = ''; /** * unique identifiert for parsing * @access private * @var string * @see HtmlFormParser() */ var $_unique_id = ''; /** * HtmlFormParser Constructor * @access public * @param mixed $html_data Could be either an big array or an string */ function HtmlFormParser( $html_data ) { if ( is_array($html_data) ) { $this->html_data = join('', $html_data); } else { $this->html_data = $html_data; } $this->_return = array(); $this->_counter = 0; $this->button_counter = 0; $this->_unique_id = md5(time()); } /** * Parse all Forms in given Data * @access public * @return array */ function parseForms() { if ( preg_match_all("/.+<\/form>/isU", $this->html_data, $forms) ) { foreach ( $forms[0] as $form ) { /* * Form Details like method, action .. */ preg_match("/]/i", $form, $form_name); $this->_return[$this->_counter]['form_data']['name'] = preg_replace("/[\"'<>]/", "", $form_name[1]); preg_match("/\s]*)([^>]*)?>/is", $form, $action); $this->_return[$this->_counter]['form_data']['action'] = preg_replace("/[\"'<>]/", "", $action[1]); preg_match("/]/i", $form, $method); $this->_return[$this->_counter]['form_data']['method'] = preg_replace("/[\"'<>]/", "", $method[1]); preg_match("/\s]*)([^>]*)?>/is", $form, $enctype); $this->_return[$this->_counter]['form_data']['enctype'] = preg_replace("/[\"'<>]/", "", $enctype[1]); /* * $/im", $form, $hiddens) ) { foreach ( $hiddens[0] as $hidden ) { $this->_return[$this->_counter]['form_elemets'][$this->_getName($hidden)] = array( 'type' => 'hidden', 'value' => $this->_getValue($hidden) ); } } /* * /iU", $form, $texts) ) { foreach ( $texts[0] as $text ) { $this->_return[$this->_counter]['form_elemets'][$this->_getName($text)] = array( 'type' => 'text', 'value' => $this->_getValue($text) ); } } /* * /iU", $form, $passwords) ) { foreach ( $passwords[0] as $password ) { $this->_return[$this->_counter]['form_elemets'][$this->_getName($password)] = array( 'type' => 'password', 'value' => $this->_getValue($password) ); } } /* * .*<\/textarea>/isU", $form, $textareas) ) { foreach ( $textareas[0] as $textarea ) { preg_match("/<textarea.*>(.*)<\/textarea>/isU", $textarea, $textarea_value); $this->_return[$this->_counter]['form_elemets'][$this->_getName($textarea)] = array( 'type' => 'textarea', 'value' => $textarea_value[1] ); } } /* * <input type=checkbox entries */ if ( preg_match_all("/<input.*type=[\"']?checkbox[\"']?.*>/iU", $form, $checkboxes) ) { foreach ( $checkboxes[0] as $checkbox ) { if ( preg_match("/checked/i", $checkbox) ) { $this->_return[$this->_counter]['form_elemets'][$this->_getName($checkbox)] = array( 'type' => 'checkbox', 'value' => 'on' ); } else { $this->_return[$this->_counter]['form_elemets'][$this->_getName($checkbox)] = array( 'type' => 'checkbox', 'value' => '' ); } } } /* * <input type=radio entries */ if ( preg_match_all("/<input.*type=[\"']?radio[\"']?.*>/iU", $form, $radios) ) { foreach ( $radios[0] as $radio ) { if ( preg_match("/checked/i", $radio) ) { $this->_return[$this->_counter]['form_elemets'][$this->_getName($radio)] = array( 'type' => 'radio', 'value' => $this->_getValue($radio) ); } } } /* * <input type=submit entries */ if ( preg_match_all("/<input.*type=[\"']?submit[\"']?.*>/iU", $form, $submits) ) { foreach ( $submits[0] as $submit ) { $this->_return[$this->_counter]['buttons'][$this->button_counter] = array( 'type' => 'submit', 'name' => $this->_getName($submit), 'value' => $this->_getValue($submit) ); $this->button_counter++; } } /* * <input type=button entries */ if ( preg_match_all("/<input.*type=[\"']?button[\"']?.*>/iU", $form, $buttons) ) { foreach ( $buttons[0] as $button ) { $this->_return[$this->_counter]['buttons'][$this->button_counter] = array( 'type' => 'button', 'name' => $this->_getName($button), 'value' => $this->_getValue($button) ); $this->button_counter++; } } /* * <input type=reset entries */ if ( preg_match_all("/<input.*type=[\"']?reset[\"']?.*>/iU", $form, $resets) ) { foreach ( $resets[0] as $reset ) { $this->_return[$this->_counter]['buttons'][$this->button_counter] = array( 'type' => 'reset', 'name' => $this->_getName($reset), 'value' => $this->_getValue($reset) ); $this->button_counter++; } } /* * <input type=image entries */ if ( preg_match_all("/<input.*type=[\"']?image[\"']?.*>/iU", $form, $images) ) { foreach ( $images[0] as $image ) { $this->_return[$this->_counter]['buttons'][$this->button_counter] = array( 'type' => 'reset', 'name' => $this->_getName($image), 'value' => $this->_getValue($image) ); $this->button_counter++; } } /* * <input type=select entries * Here I have to go on step around to grep at first all select names and then * the content. Seems not to work in an other way */ if ( preg_match_all("/<select.*>.+<\/select>/isU", $form, $selects) ) { foreach ( $selects[0] as $select ) { if ( preg_match_all("/<option.*>.+<\/option>/isU", $select, $all_options) ) { foreach ( $all_options[0] as $option ) { if ( preg_match("/selected/i", $option) ) { if ( preg_match("/value=[\"'](.*)[\"']\s/iU", $option, $option_value) ) { $option_value = $option_value[1]; $found_selected = 1; } else { preg_match("/<option.*>(.*)<\/option>/isU", $option, $option_value); $option_value = $option_value[1]; $found_selected = 1; } } } if ( !isset($found_selected) ) { if ( preg_match("/value=[\"'](.*)[\"']/iU", $all_options[0][0], $option_value) ) { $option_value = $option_value[1]; } else { preg_match("/<option>(.*)<\/option>/iU", $all_options[0][0], $option_value); $option_value = $option_value[1]; } } else { unset($found_selected); } $this->_return[$this->_counter]['form_elemets'][$this->_getName($select)] = array( 'type' => 'select', 'value' => trim($option_value) ); } } } /* * Update the form counter if we have more then 1 form in the HTML table */ $this->_counter++; } } return $this->_return; } /** * Get Name from string * @access private * @param string * @return string */ function _getName( $string ) { if ( preg_match("/name=[\"']?([\w\s]*)[\"']?[\s>]/i", $string, $match) ) { $val_match = preg_replace("/\"'/", "", trim($match[1])); unset($string); return $val_match; } } /** * Get Value from string * @access private * @param string * @return string */ function _getValue( $string ) { if ( preg_match("/value=(\"([^\"]*)\"|'([^']*)'|[^>\s]*)([^>]*)?>/is", $string, $match) ) { $val_match = trim($match[1]); if ( strstr($val_match, '"') ) { $val_match = str_replace('"', '', $val_match); } unset($string); return $val_match; } } } ?>