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<?php |
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/*------------------------------------------------------------------------------ |
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--- www.netfrag.org |
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--- Content management functions include file. |
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-------------------------------------------------------------------------------- |
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--- rabit, 01:04 27.08.2004 |
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--- $Id: cms.php.inc,v 1.5 2004/09/06 00:15:28 rabit Exp $ |
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------------------------------------------------------------------------------*/ |
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|
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//---------------------------------------------------------- |
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//- Declaration of CMS data sources: |
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|
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$i = 0; |
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|
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$cms_sources = array( |
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|
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'SOURCES' => array( |
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'fields' => array( |
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'id' => '', |
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'name' => '', |
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'fieldcount' => '', |
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), |
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'index' => $i++ |
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), |
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|
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'contents' => array( |
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'fields' => array( |
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'id' => '', |
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'creator_id' => '', |
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'content' => '', |
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'type' => '', |
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'timestamp' => '', |
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'description' => '', |
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'keyname' => '', |
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'language_id' => '' |
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), |
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'index' => $i++ |
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), |
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|
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'contenttypes' => array( |
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'fields' => array( |
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'id' => '', |
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'name' => '' |
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), |
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'index' => $i++ |
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), |
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|
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'languages' => array( |
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'fields' => array( |
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'id' => '', |
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'name' => '', |
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'abbreviation' => '' |
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), |
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'index' => $i++ |
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), |
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|
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); |
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|
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//------------------------------------------------------------------------------ |
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|
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function cms_getcontent($type, $keyname, $language_id = 0) { |
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|
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$sql = "SELECT contents.content, contents.description, UNIX_TIMESTAMP(contents.timestamp), languages.name, users.name, contents.keyname FROM contents, languages, users WHERE contents.type='$type' AND contents.keyname='$keyname'" . ($language_id ? " AND languages.id='$language_id'" : '') . " AND users.id=contents.creator_id AND languages.id=contents.language_id LIMIT 0,1;"; |
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|
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$res = mysql_query($sql); |
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if(!$res) return false; |
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|
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$row = mysql_fetch_row($res); |
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|
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$contentdata = array( |
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'content' => $row[0], |
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'description' => $row[1], |
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'unixtime' => $row[2], |
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'language_name' => $row[3], |
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'creator_name' => $row[4], |
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'keyname' => $row[5], |
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); |
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|
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return $contentdata; |
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|
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} |
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|
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//---------------------------------------------------------- |
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|
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function cms_getlist( |
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$types, $keynames, $daterange = '', $languageids = '', $languages = '') { |
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|
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$sql = "SELECT contents.id, contents.description, UNIX_TIMESTAMP(contents.timestamp), languages.id, languages.name, users.name FROM contents, languages, users WHERE contents.type='$types' AND contents.keyname='$keynames' AND users.id=contents.creator_id AND languages.id=contents.language_id;"; |
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|
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$res = common_dbc_query($sql); |
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|
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$rowcount = 0; |
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|
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while($row = mysql_fetch_row($res)) $rows[$rowcount++] = $row; |
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|
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return $rows; |
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|
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} |
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|
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//---------------------------------------------------------- |
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|
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function cms_getindex($type) { |
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|
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$sql = "SELECT contents.id, contents.keyname, contents.description, UNIX_TIMESTAMP(contents.timestamp) as timestamp, languages.id, languages.name as lang, users.name as creator FROM contents, languages, users WHERE contents.type='$type' AND users.id=contents.creator_id AND languages.id=contents.language_id;"; |
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|
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$res = common_dbc_query($sql); |
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|
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$rowcount = 0; |
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|
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while($row = mysql_fetch_assoc($res)) $rows[$rowcount++] = $row; |
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|
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return $rows; |
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|
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} |
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|
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//---------------------------------------------------------- |
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|
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function cms_query($nqlquery, &$response) { |
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|
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global $cms_sources; |
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|
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//------------------ |
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|
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$operations = array( |
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'GET' => 0 |
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); |
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|
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//------------------ |
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|
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cms_preparsenqlquery($nqlquery, $preparseresponse); |
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|
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$subsegcount = $preparseresponse[0]['subsegmentcount']; |
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|
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$querydata = array( |
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'query' => $preparseresponse[0]['formattednql'], |
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'operation' => '', |
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'getwhat' => '', |
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'source' => '' |
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); |
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|
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if(!$querydata['query']) { |
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|
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$response = cms_create_response('no_query', null, null, $querydata); |
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return false; |
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|
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} |
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|
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$subseg = 0; |
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$querydata['operation'] = $preparseresponse[1][$subseg++][0]; |
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|
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if(isset($operations[$querydata['operation']])) { |
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|
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$operationindex = $operations[$querydata['operation']]; |
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|
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} else { |
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|
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$response = cms_create_response('illegal_op', null, null, $querydata); |
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return false; |
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|
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} |
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|
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if($subseg == $subsegcount) { |
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|
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$response = cms_create_response('no_params', null, null, $querydata); |
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return false; |
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|
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} |
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|
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switch($operationindex) { |
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|
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case 0: // "GET" |
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|
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$fieldlist = $preparseresponse[1][$subseg++]; |
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|
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if($subseg == $subsegcount) { |
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|
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$response = cms_create_response('no_sourcedef', null, null, $querydata); |
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return false; |
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|
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} |
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|
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$querydata['getwhat'] = $fieldlist[0]; |
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$querydata['fieldlist'] = array(); |
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|
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switch($querydata['getwhat']) { |
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|
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case 'COUNT': |
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case 'FIELDNAMES': |
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case '*': |
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|
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break; |
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|
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case 'FROM': |
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|
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$response = cms_create_response('no_fielddef', null, null, $querydata); |
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return false; |
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|
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default: |
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|
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$querydata['fieldlist'] = $fieldlist;//$querydata['getwhat']; |
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$querydata['getwhat'] = 'FIELD'; |
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// $querydata['fieldlist'] = $preparseresponse[1][$subseg++]; |
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|
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} |
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//else $querydata['getwhat'] = 'FIELD'; |
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|
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$from = $preparseresponse[1][$subseg++][0]; |
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|
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if($from != 'FROM') { |
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|
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$response = cms_create_response('no_from', null, null, $querydata); |
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return false; |
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|
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} |
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|
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if($subseg == $subsegcount) { |
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|
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$response = cms_create_response('no_source', null, null, $querydata); |
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return false; |
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|
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} |
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|
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$querydata['source'] = $preparseresponse[1][$subseg++][0]; |
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|
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if(isset($cms_sources[$querydata['source']])) { |
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|
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$sourcedata = $cms_sources[$querydata['source']]; |
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$sourceindex = $sourcedata['index']; |
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|
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} else { |
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|
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$response = cms_create_response('illegal_source', null, null, $querydata); |
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return false; |
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|
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} |
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|
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if($querydata['getwhat'] == 'FIELDNAMES' || $querydata['getwhat'] == '*') { |
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|
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$querydata['fieldlist'] = array_keys($sourcedata['fields']); |
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|
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} |
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|
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return cms_perform_get($querydata, $response); |
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|
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} |
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|
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} |
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|
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//---------------------------------------------------------- |
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|
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function cms_perform_get($querydata, &$response) { |
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|
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global $cms_sources; |
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|
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$sourcedata = $cms_sources[$querydata['source']]; |
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$sourcefields = $sourcedata['fields']; |
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|
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for($f = 0; $f < count($querydata['fieldlist']); $f++) { |
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|
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if(!isset($sourcefields[$querydata['fieldlist'][$f]])) { |
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|
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$response = cms_create_response('illegal_field', null, null, $querydata); |
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return false; |
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|
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} |
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|
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} |
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|
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$fieldnamelist = $querydata['fieldlist']; |
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$fieldnames = join($fieldnamelist, ', '); |
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|
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$resultlist = array(); |
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|
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if($querydata['getwhat'] == 'COUNT') { |
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|
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$fieldnamelist = array('COUNT'); |
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|
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} |
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|
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if($querydata['getwhat'] == 'FIELDNAMES') { |
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|
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$resultlist = null; |
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|
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} else switch($querydata['source']) { |
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|
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case 'SOURCES': |
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|
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if($querydata['getwhat'] == 'COUNT') { |
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|
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$resultlist[0][0] = count($cms_sources); |
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break; |
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|
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} |
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|
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while(list($key, $sourcedata) = each($cms_sources)) { |
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|
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$row = array( |
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'id' => $sourcedata['index'] + 1, |
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'name' => $key, |
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'fieldcount' => count($sourcedata['fields']), |
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); |
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|
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$resrow = array(); |
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reset($fieldnamelist); |
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|
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while(list($i, $fieldname) = each($fieldnamelist)) |
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array_push($resrow, $row[$fieldname]); |
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|
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array_push($resultlist, $resrow); |
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|
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} |
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|
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break; |
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|
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// By default the db is used as data source: |
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default: |
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|
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if($querydata['getwhat'] == 'COUNT') { |
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|
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$fieldnames = 'COUNT(id)'; |
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|
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} |
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|
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$sql = 'SELECT ' . $fieldnames . ' FROM ' . $querydata['source'] . ';'; |
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$res = common_dbc_query($sql); |
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|
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//if(!$res) ... |
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|
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while($resrow = mysql_fetch_row($res)) array_push($resultlist, $resrow); |
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|
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} |
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|
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$response = cms_create_response('no_error', $resultlist, $fieldnamelist, $querydata); |
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return true; |
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|
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} |
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|
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//---------------------------------------------------------- |
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|
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function cms_preparsenqlquery($nqlquery, &$response) { |
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|
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$querysubsegs = preg_split('/[\s,]+/', $nqlquery, -1, |
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PREG_SPLIT_NO_EMPTY | PREG_SPLIT_OFFSET_CAPTURE); |
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|
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$segcount = count($querysubsegs); |
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|
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while(list($i, $item) = each($querysubsegs)) { |
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|
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$pos = $item[1]; |
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$querysubsegs[$i][2] = strlen($item[0]); |
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|
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if($i < ($segcount - 1)) { |
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|
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$endpos = $pos + $querysubsegs[$i][2]; |
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$delim = substr($nqlquery, $endpos, $querysubsegs[$i + 1][1] - $endpos); |
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|
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} else $delim = substr($nqlquery, $pos + $querysubsegs[$i][2]); |
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|
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array_push($querysubsegs[$i], trim($delim)); |
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|
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} |
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|
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$i = 0; |
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|
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$formattednql = ''; |
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$preparseresult = array(); |
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$listitems = array(); |
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$lastitem = null; |
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$listcount = 0; |
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|
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while($i < $segcount) { |
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|
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$item = $querysubsegs[$i]; |
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$formattednql .= ($i ? ' ' : '') . $item[0]. $item[3]; |
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|
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if($item[3] == ',') { |
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|
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array_push($listitems, $item[0]); |
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|
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} else { |
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|
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if($listitems) { |
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|
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array_push($listitems, $item[0]); |
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array_push($preparseresult, $listitems); |
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$listitems = array(); |
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$listcount++; |
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|
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} else array_push($preparseresult, array($item[0])); |
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|
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} |
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|
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// $lastitem = $item; |
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$i++; |
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|
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} |
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|
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$response = array( |
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|
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array( |
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'formattednql' => $formattednql, |
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'subsegmentcount' => $i, |
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'sublistcount' => $listcount |
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), |
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|
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$preparseresult |
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|
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); |
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|
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} |
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|
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//---------------------------------------------------------- |
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|
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function cms_create_response($errorkey, $resultlist, $columnnames, $querydata) { |
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|
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//------------------ |
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|
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$i = 0; |
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|
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$errors = array( |
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'no_error' => array( |
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$i++, 'No error' |
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), |
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'no_query' => array( |
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$i++, 'Empty query', |
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), |
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'illegal_op' => array( |
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$i++, 'Illegal base operation', |
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), |
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'no_params' => array( |
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$i++, 'Operation parameters missing', |
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), |
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'no_fielddef' => array( |
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$i++, 'Field definition missing', |
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), |
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'no_sourcedef' => array( |
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$i++, 'Source definition missing', |
| 438 |
), |
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'no_from' => array( |
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$i++, 'Source declarator missing', |
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), |
| 442 |
'no_source' => array( |
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$i++, 'Source name missing', |
| 444 |
), |
| 445 |
'illegal_source' => array( |
| 446 |
$i++, 'Illegal data source name', |
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), |
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'illegal_field' => array( |
| 449 |
$i++, 'Illegal field name for data source', |
| 450 |
), |
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); |
| 452 |
|
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//------------------ |
| 454 |
|
| 455 |
$response = array( |
| 456 |
|
| 457 |
// Result information: |
| 458 |
0 => array( |
| 459 |
'error' => $errors[$errorkey][0], |
| 460 |
'errortext' => $errors[$errorkey][1], |
| 461 |
'columncount' => count($columnnames), |
| 462 |
// 'firstrow' => $firstrow, |
| 463 |
'rowcount' => count($resultlist), |
| 464 |
'query' => $querydata['query'], |
| 465 |
'operation' => $querydata['operation'], |
| 466 |
'get_what' => $querydata['getwhat'], |
| 467 |
'source' => $querydata['source'], |
| 468 |
// 'all' => $querydata |
| 469 |
), |
| 470 |
|
| 471 |
// Result list: |
| 472 |
1 => $resultlist, |
| 473 |
|
| 474 |
// Column names: |
| 475 |
2 => $columnnames |
| 476 |
|
| 477 |
); |
| 478 |
|
| 479 |
return $response; |
| 480 |
|
| 481 |
} |
| 482 |
|
| 483 |
//------------------------------------------------------------------------------ |
| 484 |
|
| 485 |
?> |
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