node = $node; } } /** * Get filter sets from database * * @param $cols * Columns to be retrieved * @param $cond * Condition, return all results by default * * @return * Array of filter sets */ function customfilter_get_sets($cols = array('sid', 'name', 'description'), $cond = '1=1') { $sets = array(); // Prepare columns to select if (! is_array($cols)) $cols = array($cols); $columns = join(', ', $cols); // Query & fetch $result = db_query("SELECT %s FROM {customfilter_set} WHERE %s ORDER BY name", $columns, $cond); while ($set = db_fetch_array($result)) { $sets[] = $set; }; return $sets; } /** * Get a filter set from database * * @param $sid * ID of the filterset * @param $cols * Columns to be retrieved * * @return * The filter set */ function customfilter_get_set($sid, $cols = array('sid', 'name', 'description')) { // Prepare columns to select if (! is_array($cols)) $cols = array($cols); $columns = join(', ', $cols); // Query & Fetch $set = db_fetch_array(db_query("SELECT %s FROM {customfilter_set} WHERE sid=%d", $columns, $sid)); return $set; } /** * Get filters from database * * @param $sid * ID of the filter set * @param $root * Root filter. Returns tree of filters with this filter * as the root * @param $sortby * Sort the result (and subfilters) by this field. * Default: sort by weight * * @return * Array of filters (each have ['sub'], contains subfilters if any) */ function customfilter_get_filters($sid, $root = 0, $sortby = 'weight', $cols = '*') { $filters = array(); // Prepare columns to select if (! is_array($cols)) $cols = array($cols); $columns = join(', ', $cols); // Prepare nodes $nodes = array(); if (is_array($root)) { $nodes = $root; } else { $nodes = array($root); } foreach ($nodes as $node) { $result = db_query("SELECT %s FROM {customfilter_filter} WHERE sid=%d and parentid=%d ORDER BY %s", $columns, $sid, $node, $sortby); while ($filter = db_fetch_array($result)) { $filter['sub'] = customfilter_get_filters($sid, $filter['fid'], $sortby, $cols); $filters[$filter['fid']] = $filter; }; }; return $filters; } /** * Get a filter from database * * @param $fid * ID of the filter * @param $cols * Columns * * @return * The filter */ function customfilter_get_filter($fid, $cols = '*') { // Prepare columns to select if (! is_array($cols)) $cols = array($cols); $columns = join(', ', $cols); $filter = db_fetch_array(db_query("SELECT %s FROM {customfilter_filter} WHERE fid=%d", $columns, $fid)); return $filter; } /** * Implementation of hook_help() */ function customfilter_help($section) { $help = ''; $sid = (is_numeric(arg(3)))? arg(3): ''; $fid = (is_numeric(arg(4)))? arg(4): ''; switch ($section) { case "admin/modules#description": $help = t('Custom Filter'); break; case "admin/settings/customfilter": $help = '

'. t('Custom Filter provides an ability for creating user defined filters using regular expressions. Instead of creating filter modules, users can create their own filter for specific site purpose.') .'

'; if (count(customfilter_get_sets()) > 0) { $help .= '

'. t('Below are the filter sets. '); } else { $help .= '

'. t('Before you can use custom filters, you must have at least one filter set. '); } $help .= t('Filter set is a container of filters. Each will appear in Input Format configuration. Click at their name to see what filter they have.') .'

'; break; case "admin/settings/customfilter/export": $help = '

'. t('You can export your custom filters as XML document. Just check filters you want to export below, and click the button Export.') .'

'; break; case "admin/settings/customfilter/import": $help = '

'. t('You can import custom filters from an XML file.') .'

'; break; case "admin/settings/customfilter/$sid": $help = '

'. t('This filterset has filters listed below. Each filter can have subfilters.') .'

'; break; case "admin/settings/customfilter/add": case "admin/settings/customfilter/$sid/edit": $help = '

'. t('Give this filter set some name and description.') .'

'; break; case "admin/settings/customfilter/$sid/add": case "admin/settings/customfilter/$sid/$fid": case "admin/settings/customfilter/$sid/$fid/edit": case "admin/settings/customfilter/$sid/$fid/add": $help = '

'. t('Here you can define your own filters using regular expressions. For some information about regular expressions, please look at ') . l('http://www.regular-expressions.info', 'http://www.regular-expressions.info') .'

'; break; } return $help; } /** * Implementation of hook_perm() */ function customfilter_perm() { return array('administer customfilter'); } /** * Implementation of hook_menu() */ function customfilter_menu($may_cache) { $access = user_access('administer customfilter'); $items = array(); if ($may_cache) { $items[] = array( 'path' => 'admin/settings/customfilter', 'title' => t('Custom Filter'), 'description' => t('User defined filters.'), 'callback' => 'customfilter_settings', 'access' => $access, 'type' => MENU_NORMAL_ITEM, ); // Customfilter: List $items[] = array( 'path' => 'admin/settings/customfilter/list', 'title' => t('List'), 'access' => $access, 'type' => MENU_DEFAULT_LOCAL_TASK, 'weight' => 1); // Customfilter: Add filterset $items[] = array( 'path' => 'admin/settings/customfilter/add', 'title' => t('Add filter set'), 'callback' => 'drupal_get_form', 'callback arguments' => array('customfilter_set_edit', 'add'), 'access' => $access, 'type' => MENU_LOCAL_TASK, 'weight' => 2); // Customfilter: Export $items[] = array( 'path' => 'admin/settings/customfilter/export', 'title' => t('Export'), 'callback' => 'drupal_get_form', 'access' => $access, 'callback arguments' => array('customfilter_export_form'), 'type' => MENU_LOCAL_TASK, 'weight' => 3); // Customfilter: Import $items[] = array( 'path' => 'admin/settings/customfilter/import', 'title' => t('Import'), 'callback' => 'drupal_get_form', 'access' => $access, 'callback arguments' => array('customfilter_import_form'), 'type' => MENU_LOCAL_TASK, 'weight' => 4); // Customfilter: Get XML $items[] = array( 'path' => 'admin/settings/customfilter/export/xml', 'title' => t('XML'), 'callback' => 'customfilter_xml_export', 'access' => $access, 'type' => MENU_CALLBACK); } else { if (arg(0) == 'admin' && arg(1) == 'settings' && arg(2) == 'customfilter' && is_numeric(arg(3))) { $sid = arg(3); $set = customfilter_get_set($sid, 'name'); if ($set) { // Filterset: List filters $items[] = array( 'path' => "admin/settings/customfilter/$sid", 'title' => t("Custom filter: {$set['name']}"), 'callback' => 'customfilter_filters', 'callback arguments' => array(arg(3)), 'access' => $access, 'type' => MENU_CALLBACK); $items[] = array( 'path' => "admin/settings/customfilter/$sid/list", 'title' => t('List'), 'access' => $access, 'type' => MENU_DEFAULT_LOCAL_TASK, 'weight' => 1); // Filterset: Edit filterset $items[] = array( 'path' => "admin/settings/customfilter/$sid/edit", 'title' => t('Edit'), 'callback' => 'drupal_get_form', 'access' => $access, 'callback arguments' => array('customfilter_set_edit', 'edit', $sid), 'type' => MENU_LOCAL_TASK, 'weight' => 2); // Filterset: Delete filterset $items[] = array( 'path' => "admin/settings/customfilter/$sid/delete", 'title' => t('Delete'), 'callback' => 'drupal_get_form', 'access' => $access, 'callback arguments' => array('customfilter_set_delete', $sid), 'type' => MENU_LOCAL_TASK, 'weight' => 3); // Filterset: Add filter $items[] = array( 'path' => "admin/settings/customfilter/$sid/add", 'title' => t('Add filter'), 'callback' => 'drupal_get_form', 'callback arguments' => array('customfilter_filter_edit', 'add', $sid), 'access' => $access, 'type' => MENU_LOCAL_TASK, 'weight' => 4); if (is_numeric(arg(4))) { $fid = arg(4); $filter = customfilter_get_filter($fid, 'name'); // Filter: List $items[] = array( 'path' => "admin/settings/customfilter/$sid/$fid", 'title' => t("Filter: {$filter['name']}"), 'callback' => 'drupal_get_form', 'callback arguments' => array('customfilter_filter_edit', 'edit', $sid, $fid), 'access' => $access, 'type' => MENU_CALLBACK); // Filter: Edit filter $items[] = array( 'path' => "admin/settings/customfilter/$sid/$fid/edit", 'title' => t('Edit'), 'access' => $access, 'type' => MENU_DEFAULT_LOCAL_TASK, 'weight' => 1); // Filter: Delete filter $items[] = array( 'path' => "admin/settings/customfilter/$sid/$fid/delete", 'title' => t('Delete filter'), 'callback' => 'drupal_get_form', 'callback arguments' => array('customfilter_filter_delete', $fid), 'access' => $access, 'type' => MENU_LOCAL_TASK, 'weight' => 3); // Filter: Add subfilter $items[] = array( 'path' => "admin/settings/customfilter/$sid/$fid/add", 'title' => t('Add subfilter'), 'callback' => 'drupal_get_form', 'callback arguments' => array('customfilter_filter_edit', 'add', $sid, $fid), 'access' => $access, 'type' => MENU_LOCAL_TASK, 'weight' => 2); } } } } return $items; } /** * Administer Page */ function customfilter_settings() { return customfilter_sets(); } /** * Lists defined filter sets */ function customfilter_sets() { return customfilter_set_render_table(); } /** * Renders table of filter sets * * @return * Themed table of filters */ function customfilter_set_render_table() { $header = array( t('Name'), t('Description'), array('data' => t('Operations'), 'colspan' => '2')); $rows = customfilter_set_get_rows(); $table = theme( 'table', $header, $rows ? $rows : array(array(array('data' => t('No custom filter defined.'), 'colspan' => 5)))); return $table; } /** * Renders table rows of filter table * * @return * Generated rows */ function customfilter_set_get_rows() { $sets = customfilter_get_sets(); foreach ($sets as $set) { $rows[] = array( l(t($set['name']), "admin/settings/customfilter/{$set['sid']}"), ''. t($set['description']) .'', l(t('edit'), "admin/settings/customfilter/{$set['sid']}/edit"), l(t('delete'), "admin/settings/customfilter/{$set['sid']}/delete"), ); } return $rows; } /** * Edit a filter set */ function customfilter_set_edit($op, $sid = 0) { if ($op == 'edit') { $item = customfilter_get_set($sid, '*'); } elseif ($op == 'add') { $item = array( 'sid' => 0, 'name' => 'Filter set #', 'cache' => 1, 'description' => '', 'shorttips' => '', 'longtips' => '', ); } $form['sid'] = array('#type' => 'value', '#value' => $item['sid']); $form['operation'] = array('#type' => 'value', '#value' => $op); $form['name'] = array( '#type' => 'textfield', '#title' => t('Name'), '#default_value' => $item['name'], '#description' => t('The name of the filter set.'), '#required' => TRUE); $form['cache'] = array( '#type' => 'checkbox', '#title' => t('Cache'), '#default_value' => $item['cache'], '#description' => t('If checked, the content will be cached (i.e. this filter will be executed once per content edit).')); $form['description'] = array( '#type' => 'textarea', '#title' => t('Description'), '#default_value' => $item['description'], '#description' => t('Some text to describe this filter set.')); $form['shorttips'] = array( '#type' => 'textarea', '#title' => t('Tips (short)'), '#default_value' => $item['shorttips'], '#description' => t('')); $form['longtips'] = array( '#type' => 'textarea', '#title' => t('Tips (full)'), '#default_value' => $item['longtips'], '#description' => t('')); $form['submit'] = array( '#type' => 'submit', '#value' => t('Save')); return $form; } /** * Submit modified filter set */ function customfilter_set_edit_submit($form_id, $form_values) { switch ($form_values['operation']) { case 'edit': db_query("UPDATE {customfilter_set} SET name='%s', cache=%d, description='%s', shorttips='%s', longtips='%s' WHERE sid=%d", $form_values['name'], $form_values['cache'], $form_values['description'], $form_values['shorttips'], $form_values['longtips'], $form_values['sid']); break; case 'add': $nextid = db_next_id('{customfilter_set}_sid'); db_query("INSERT INTO {customfilter_set} (sid, name, cache, description, shorttips, longtips) VALUES(%d, '%s', %d, '%s', '%s', '%s');", $nextid, $form_values['name'], $form_values['cache'], $form_values['description'], $form_values['shorttips'], $form_values['longtips']); break; } return 'admin/settings/customfilter'; } /** * Delete filter set */ function customfilter_set_delete($sid) { $set = customfilter_get_set($sid, '*'); $filters = customfilter_get_filters($sid); $form['sid'] = array('#type' => 'value', '#value' => $sid); $message = t('Are you sure you want to delete this filter set?'); $msg_text = "

". $set['name'] ."

" ."

". $set->description ."

"; if (count($filters) > 0) { $msg_text .= "

". t('This set has filters. If you delete this, they will be deleted too.') ."

" . customfilter_filter_render_table($sid, $fid, FALSE); } $msg_text .= "

". t('This action cannot be undone.') ."

"; return confirm_form( $form, $message, 'admin/settings/customfilter', $msg_text, t('Delete')); } /** * Execute filter set deletion */ function customfilter_set_delete_submit($form_id, $form_values) { customfilter_delete_set($form_values['sid']); return 'admin/settings/customfilter'; } function customfilter_delete_set($sid) { $filters = customfilter_get_filters($sid); foreach ($filters as $filter) { customfilter_delete_filter($filter['fid']); } db_query('DELETE FROM {customfilter_set} WHERE sid=%d', $sid); } /** * Lists defined filters */ function customfilter_filters($sid) { return customfilter_filter_render_table($sid, 0); } /** * Renders table of filters * * @param $sid * ID of the filter set * @param $fid * ID of the root filter * @param $op * If TRUE, will render the 'operations' column * * @return * Themed table of filters */ function customfilter_filter_render_table($sid = 0, $fid = 0, $op = TRUE) { // Table header $header = array( t('Name'), t('Description'), t('Pattern'), t('Match'), t('Weight')); if ($op) $header[] = array('data' => t('Operations'), 'colspan' => '3'); // Table rows $rows = array(); $filters = customfilter_get_filters($sid, $fid); if (count($filters) > 0) { customfilter_filter_get_rows($filters, 0, $rows, $op); } else { $rows[] = array( 0 => array('data' => 'No custom filter defined.', 'colspan' => 5), ); } $table = theme( 'table', $header, $rows); return $table; } /** * Renders table rows of filter table * * @param $filters * Array of fetched filters from database (from customfilter_get_filters) * @param $depth * The level of subfilters that should be rendered * @param $rows * Generated rows * @param $op * If TRUE, will render the 'operations' column */ function customfilter_filter_get_rows($filters, $depth, &$rows, $op = TRUE) { foreach ($filters as $filter) { $format = (($depth == 0)? "strong": "em"); $row = array( str_repeat('» ', $depth) .'<'. $format .'>'. t($filter['name']) .'', ''. t($filter['description']) .'', htmlspecialchars($filter['pattern']), ($filter['parentid'] == 0)? "" : $filter['matches'], $filter['weight'], ); if ($op) { $row[] = l(t('add'), "admin/settings/customfilter/{$filter['sid']}/{$filter['fid']}/add"); $row[] = l(t('edit'), "admin/settings/customfilter/{$filter['sid']}/{$filter['fid']}/edit"); $row[] = l(t('delete'), "admin/settings/customfilter/{$filter['sid']}/{$filter['fid']}/delete"); } $rows[] = $row; if (is_array($filter['sub'])) { customfilter_filter_get_rows($filter['sub'], $depth + 1, $rows, $op); } } } /** * Edit a filter */ function customfilter_filter_edit($op, $sid, $fid = 0) { if ($op == 'edit') { $item = customfilter_get_filter($fid, '*'); } elseif ($op == 'add') { $item = array( 'fid' => 0, 'parentid' => $fid, 'sid' => $sid, 'name' => '$1', 'description' => '', 'matches' => 1, 'pattern' => '/regex/i', 'replacement' => 'Regular Expressions', 'func' => 0, 'weight' => 0, ); } $matchopt = array(); for ($i = 0; $i <=99; $i++) { $matchopt[$i] = $i; }; $form['fid'] = array('#type' => 'value', '#value' => $item['fid']); $form['sid'] = array('#type' => 'value', '#value' => $sid); $form['parentid'] = array('#type' => 'value', '#value' => $item['parentid']); $form['operation'] = array('#type' => 'value', '#value' => $op); if ($item['parentid'] != 0) { $form['matches'] = array( '#type' => 'select', '#title' => t('# Match'), '#options' => $matchopt, '#default_value' => $item['matches'], '#description' => t('Matches.')); } $form['name'] = array( '#type' => 'textfield', '#title' => t('Name'), '#default_value' => $item['name'], '#description' => t('The name of the filter.'), '#required' => TRUE); $form['pattern'] = array( '#type' => 'textarea', '#title' => t('Pattern'), '#default_value' => $item['pattern'], '#description' => t('Regular expression. Look at http://www.regular-expressions.info for more help.')); $form['replacement'] = array( '#type' => 'textarea', '#title' => t('Replacement text'), '#default_value' => $item['replacement'], '#description' => t('Replacement Text. Matched string will be replaced with text supplied here. Use $n (e.g. $1, $25) or ${n} (e.g. ${1}, ${25}), with n range from 0 to 99, to get the n-th original strings matched ($0 represents the entire matched string). If you set the PHP Code below, you can enter replaced text with some PHP Code. n-th matched string will be provided in $matches[n], and there will be a global variable named $vars you can use it for your own purpose. Don\'t forget to write the return statement.')); $form['func'] = array( '#type' => 'checkbox', '#title' => t('PHP Code'), '#default_value' => $item['func'], '#description' => t('Check to allow using PHP code to replace the text.')); $form['weight'] = array( '#type' => 'weight', '#title' => t('Weight'), '#default_value' => $item['weight'], '#description' => t('Filter weight.')); $form['description'] = array( '#type' => 'textarea', '#title' => t('Description'), '#default_value' => $item['description'], '#description' => t('Some text to describe this filter.')); $form['submit'] = array( '#type' => 'submit', '#value' => t('Save Configuration')); return $form; } /** * Submit modified filter */ function customfilter_filter_edit_submit($form_id, $form_values) { switch ($form_values['operation']) { case 'edit': db_query("UPDATE {customfilter_filter} SET sid=%d, parentid=%d, name='%s', description='%s', matches=%d, pattern='%s', replacement='%s', func=%d, weight=%d WHERE fid=%d", $form_values['sid'], $form_values['parentid'], $form_values['name'], $form_values['description'], $form_values['matches'], $form_values['pattern'], $form_values['replacement'], $form_values['func'], $form_values['weight'], $form_values['fid']); break; case 'add': $nextid = db_next_id('{customfilter_filter}_fid'); db_query("INSERT INTO {customfilter_filter} (fid, sid, parentid, name, description, matches, pattern, replacement, func, weight) VALUES(%d, %d, %d, '%s', '%s', %d, '%s', '%s', %d, %d);", $nextid, $form_values['sid'], $form_values['parentid'], $form_values['name'], $form_values['description'], $form_values['matches'], $form_values['pattern'], $form_values['replacement'], $form_values['func'], $form_values['weight']); break; } return "admin/settings/customfilter/{$form_values['sid']}"; } /** * Delete a filter */ function customfilter_filter_delete($fid) { $filter = db_fetch_object(db_query("SELECT * FROM {customfilter_filter} WHERE fid=%d", $fid)); $subfilter = db_fetch_object(db_query("SELECT * FROM {customfilter_filter} WHERE parentid=%d", $fid)); $form['fid'] = array('#type' => 'value', '#value' => $fid); $form['sid'] = array('#type' => 'value', '#value' => $filter->sid); $message = t('Are you sure you want to delete this custom filter?'); $msg_text = (($filter->parentid == 0)? "

{$filter->name}

" : "") ."

{$filter->description}

" ."

Pattern

" ."
{$filter->pattern}
" ."

Replacer

" ."
{$filter->replacer}
"; if ($subfilter) { $msg_text .= "

". t('This filter has subfilters. If you delete this, they will be deleted too.') ."

" . customfilter_filter_render_table($filter->sid, $fid, FALSE); } $msg_text .= "

". t('This action cannot be undone.') ."

"; return confirm_form( $form, $message, "admin/settings/customfilter/{$filter->sid}", $msg_text, t('Delete')); } /** * Execute deletion */ function customfilter_filter_delete_submit($form_id, $form_values) { customfilter_delete_filter($form_values['fid']); return "admin/settings/customfilter/{$form_values['sid']}"; } function customfilter_delete_filter($fid) { $result = db_query("SELECT * FROM {customfilter_filter} where parentid=%d", $fid); while ($filter = db_fetch_object($result)) { customfilter_delete_filter($filter->fid); } db_query("DELETE FROM {customfilter_filter} WHERE fid=%d", $fid); } /** * Get complete description of a filter, including it's subfilters */ function customfilter_get_descriptions($filter) { $desc = "". $filter['description'] .""; if (is_array($filter['sub']) && (count($filter['sub']) > 0)) { $desc .= ""; } return $desc; } /** * Implementation of hook_filter_tips() */ function customfilter_filter_tips($delta, $format, $long = FALSE) { $col = ($long)? 'longtips': 'shorttips'; $tips = customfilter_get_set($delta, array('sid', $col)); return $tips[$col]; } /** * Implementation of hook_filter(). */ function customfilter_filter($op, $delta = 0, $format = -1, $text = '' ) { switch ($op) { case 'list': return _customfilter_filter_list(); case 'no cache': return ! _customfilter_filter_cache($delta); case 'description': return _customfilter_filter_desc($delta); case 'prepare': return $text; case "process": return _customfilter_process($delta, $format, $text); default: return $text; } } function _customfilter_filter_list() { $sets = customfilter_get_sets('sid, name'); $s = array(); foreach ($sets as $set) { $s[$set['sid']] = t($set['name']); } return $s; } function _customfilter_filter_cache($delta) { $set = customfilter_get_set($delta, array('sid', 'cache')); return $set['cache']; } function _customfilter_filter_desc($delta) { $set = customfilter_get_set($delta, array('sid', 'description')); return t($set['description']); } /** * Custom Filter process */ function _customfilter_process($delta, $format, $text) { global $_customfilter_globals; $_customfilter_globals->text = $text; // Get the filter set, according to $delta $set = customfilter_get_set($delta, 'sid'); if ($set) { $filters = customfilter_get_filters($delta); if (count($filters) > 0) { // Preparation // The stack is used to save the parent filter when traversing $_customfilter_globals->stack = array(); foreach ($filters as $filter) { $_customfilter_globals->stack[] = $filter; $_customfilter_globals->text = preg_replace_callback( $filter['pattern'], '_customfilter_process_filter', $_customfilter_globals->text); array_pop($_customfilter_globals->stack); } } } return $_customfilter_globals->text; } function _customfilter_process_extract_rep($replacement) { $reps = array(); preg_match_all( '/([^\\\\]|^)(\$([0-9]{1,2}|\{([0-9]{1,2})\}))/', $replacement, $reps, PREG_OFFSET_CAPTURE); $arr = array(); foreach ($reps[4] as $key => $val) { if ($val == '') { $str = $reps[3][$key][0]; } else { $str = $reps[4][$key][0]; } $offset = $reps[2][$key][1]; $length = strlen($reps[2][$key][0]); $arr[] = array( 'index' => $str, 'offset' => $offset, 'length' => $length ); } return $arr; } function _customfilter_process_replace_sub($replacement, $sub, $func = 0) { if ($func == 1) { $code = create_function( '$matches', CUSTOMFILTER_CODE_DECLARE . $replacement ); $text = $code($sub); } else { $text = $replacement; $reps = _customfilter_process_extract_rep($replacement); krsort($reps); foreach ($reps as $rep) { $text = substr_replace( $text, $sub[$rep['index']], $rep['offset'], $rep['length']); }; } return $text; } function _customfilter_process_filter($matches) { global $_customfilter_globals; $result = $matches[0]; $filter = end($_customfilter_globals->stack); // if there is subfilter if (is_array($filter['sub']) && (count($filter['sub']) > 0)) { // do the same thing to each of them foreach ($filter['sub'] as $subfilter) { $_customfilter_globals->stack[] = $subfilter; $substr = & $matches[$subfilter['matches']]; $substr = preg_replace_callback( $subfilter['pattern'], '_customfilter_process_filter', $substr ); array_pop($_customfilter_globals->stack); } $result = _customfilter_process_replace_sub( $filter['replacement'], $matches, $filter['func']); } // if there is not, replace elseif ($filter['func'] == 1) { $result = preg_replace_callback( $filter['pattern'], create_function( '$matches', CUSTOMFILTER_CODE_DECLARE . $filter['replacement'] ), $result); } else { $result = preg_replace( $filter['pattern'], $filter['replacement'], $result); } return $result; } /** * Export */ function customfilter_export_form() { $form = array(); $sets = customfilter_get_sets(); foreach ($sets as $set) { $opt[$set['sid']] = t($set['name']); } $form['sets'] = array( '#type' => 'checkboxes', '#title' => t('Filter sets'), '#options' => $opt, '#description' => 'Choose filter sets.', ); $form['submit'] = array( '#type' => 'submit', '#value' => 'Export', ); return $form; } function customfilter_export_form_submit($form_id, $form_values) { $sids = array(); foreach ($form_values['sets'] as $sid) { if ($sid > 0) $sids[] = $sid; } $arg = join('.', $sids); return "admin/settings/customfilter/export/xml/$arg"; } function customfilter_xml_export($sets) { $sids = explode('.', $sets); $xml = customfilter_xml_create($sids); header('Content-Type: application/octet-stream'); header('Content-Length: '. strlen($xml)); header("Content-Disposition: attachment; filename=customfilter.xml"); echo $xml; } function customfilter_xml_create($sids) { $xml = "\n"; $xml .= "\n"; foreach ($sids as $sid) { $xml .= customfilter_xml_filterset($sid); } $xml .= ""; return $xml; } function customfilter_xml_filterset($sid) { $set = customfilter_get_set($sid, '*'); $filters = customfilter_get_filters($sid, 0); $xml = " \n"; $xml .= " {$set['description']}\n"; $xml .= " \n"; $xml .= " \n"; $xml .= " \n"; $xml .= " \n"; $xml .= " \n"; foreach ($filters as $filter) { $xml .= customfilter_xml_filter($filter); } $xml .= " \n"; $xml .= " \n"; return $xml; } function customfilter_xml_filter($filter, $level = 0) { $indent = str_repeat(' ', $level + 3); $xml = $indent ."\n"; $xml .= $indent ." \n"; $xml .= $indent ." \n"; $xml .= $indent ." \n"; $subfilters = $filter['sub']; if (is_array($subfilters) && (count($subfilters) > 0)) { $xml .= $indent ." \n"; foreach ($subfilters as $subfilter) { $xml .= customfilter_xml_filter($subfilter, $level + 2); } $xml .= $indent ." \n"; } $xml .= $indent ."\n"; return $xml; } /** * Import */ function customfilter_import_form() { $form = array(); $form['xml'] = array( '#type' => 'file', '#title' => t('Import from file'), '#description' => t('The XML file to be imported.'), ); $form[] = array( '#type' => 'submit', '#value' => t('Import'), ); $form['#attributes'] = array('enctype' => 'multipart/form-data'); return $form; } function customfilter_import_form_submit($form_id, $form_values) { global $_customfilter_globals; $cg = & $_customfilter_globals; $file = file_check_upload('xml'); if ($file) { $thefile = fopen($file->filepath, "rb"); if ($thefile) { $fstat = fstat($thefile); $xml = fread($thefile, $fstat['size']); fclose($thefile); drupal_set_message(t('XML file %f imported.', array('%f' => $file->filename))); customfilter_xml_read($xml); _customfilter_xml_sql($cg->sets, $cg->filters); } } } function customfilter_xml_read(& $xml) { global $_customfilter_globals; $cg = & $_customfilter_globals; $cg->elements = array(); $cg->sets = array(); $cg->filters = array(); $cg->set = array(); $cg->filter = array(); $cg->parents = array(); $parser = drupal_xml_parser_create($xml); xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, true); xml_set_element_handler($parser, '_customfilter_xml_element_start', '_customfilter_xml_element_end'); xml_set_character_data_handler($parser, '_customfilter_xml_element_cdata'); xml_parse($parser, $xml, TRUE); xml_parser_free($parser); } function _customfilter_xml_element_start($parser, $name, $attr) { global $_customfilter_globals; $cg = & $_customfilter_globals; $cg->elements[] = $name; switch ($name) { case 'FILTERSET': $cg->set['sid'] = db_next_id('{customfilter_set}_sid'); $cg->set['name'] = $attr['NAME']; $cg->set['cache'] = $attr['CACHE']; $cg->set['description'] = ''; $cg->set['shorttips'] = ''; $cg->set['longtips'] = ''; break; case 'FILTER': $cg->filter['fid'] = db_next_id('{customfilter_filter}_fid'); $cg->filter['sid'] = $cg->set['sid']; $cg->filter['name'] = $attr['NAME']; $cg->filter['matches'] = $attr['MATCHES']; $cg->filter['func'] = $attr['FUNC']; $cg->filter['weight'] = $attr['WEIGHT']; $cg->filter['description'] = ''; $cg->filter['pattern'] = ''; $cg->filter['replacement'] = ''; if (count($cg->parents) > 0) { $parent = end($cg->parents); $cg->filter['parentid'] = $parent['fid']; } else $cg->filter['parentid'] = 0; break; case 'SUBFILTERS': $cg->parents[] = $cg->filter; $cg->filter = array(); break; case 'FILTERS': $cg->parents = array(); $cg->filter = array(); break; } } function _customfilter_xml_element_end($parser, $name) { global $_customfilter_globals; $cg = & $_customfilter_globals; switch ($name) { case 'FILTERSET': $cg->sets[$cg->set['sid']] = $cg->set; $cg->set = array(); break; case 'FILTER': $cg->filters[$cg->filter['fid']] = $cg->filter; $cg->filter = array(); break; case 'SUBFILTERS': $cg->filter = array_pop($cg->parents); break; } array_pop($cg->elements); } function _customfilter_xml_element_cdata($parser, $data) { global $_customfilter_globals; $cg = & $_customfilter_globals; $element = end($cg->elements); $context = prev($cg->elements); switch ($element) { case 'DESCRIPTION': if ($context == 'FILTERSET') { $cg->set['description'] = $data; } elseif ($context == 'FILTER') { $cg->filter['description'] = $data; } break; case 'SHORT': case 'LONG': $cg->set[strtolower($element) .'tips'] = $data; break; case 'PATTERN': case 'REPLACEMENT': $cg->filter[strtolower($element)] = $data; break; } } function _customfilter_xml_sql($sets, $filters) { foreach ($sets as $set) { db_query("INSERT INTO {customfilter_set} (sid, name, cache, description, shorttips, longtips) VALUES(%d, '%s', %d, '%s', '%s', '%s');", $set['sid'], $set['name'], $set['cache'], $set['description'], $set['shorttips'], $set['longtips']); } foreach ($filters as $filter) { db_query("INSERT INTO {customfilter_filter} (fid, sid, parentid, name, description, matches, pattern, replacement, func, weight) VALUES(%d, %d, %d, '%s', '%s', %d, '%s', '%s', %d, %d);", $filter['fid'], $filter['sid'], $filter['parentid'], $filter['name'], $filter['description'], $filter['matches'], $filter['pattern'], $filter['replacement'], $filter['func'], $filter['weight']); } }