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Diffstat (limited to 'framework/DataAccess/adodb/adodb-pear.inc.php')
-rw-r--r-- | framework/DataAccess/adodb/adodb-pear.inc.php | 374 |
1 files changed, 374 insertions, 0 deletions
diff --git a/framework/DataAccess/adodb/adodb-pear.inc.php b/framework/DataAccess/adodb/adodb-pear.inc.php new file mode 100644 index 00000000..8ab6d83a --- /dev/null +++ b/framework/DataAccess/adodb/adodb-pear.inc.php @@ -0,0 +1,374 @@ +<?php +/** + * @version V4.72 21 Feb 2006 (c) 2000-2006 John Lim (jlim@natsoft.com.my). All rights reserved. + * Released under both BSD license and Lesser GPL library license. + * Whenever there is any discrepancy between the two licenses, + * the BSD license will take precedence. + * + * Set tabs to 4 for best viewing. + * + * PEAR DB Emulation Layer for ADODB. + * + * The following code is modelled on PEAR DB code by Stig Bakken <ssb@fast.no> | + * and Tomas V.V.Cox <cox@idecnet.com>. Portions (c)1997-2002 The PHP Group. + */ + + /* + We support: + + DB_Common + --------- + query - returns PEAR_Error on error + limitQuery - return PEAR_Error on error + prepare - does not return PEAR_Error on error + execute - does not return PEAR_Error on error + setFetchMode - supports ASSOC and ORDERED + errorNative + quote + nextID + disconnect + + getOne + getAssoc + getRow + getCol + getAll + + DB_Result + --------- + numRows - returns -1 if not supported + numCols + fetchInto - does not support passing of fetchmode + fetchRows - does not support passing of fetchmode + free + */ + +define('ADODB_PEAR',dirname(__FILE__)); +include_once "PEAR.php"; +include_once ADODB_PEAR."/adodb-errorpear.inc.php"; +include_once ADODB_PEAR."/adodb.inc.php"; + +if (!defined('DB_OK')) { +define("DB_OK", 1); +define("DB_ERROR",-1); + +// autoExecute constants +define('DB_AUTOQUERY_INSERT', 1); +define('DB_AUTOQUERY_UPDATE', 2); + +/** + * This is a special constant that tells DB the user hasn't specified + * any particular get mode, so the default should be used. + */ + +define('DB_FETCHMODE_DEFAULT', 0); + +/** + * Column data indexed by numbers, ordered from 0 and up + */ + +define('DB_FETCHMODE_ORDERED', 1); + +/** + * Column data indexed by column names + */ + +define('DB_FETCHMODE_ASSOC', 2); + +/* for compatibility */ + +define('DB_GETMODE_ORDERED', DB_FETCHMODE_ORDERED); +define('DB_GETMODE_ASSOC', DB_FETCHMODE_ASSOC); + +/** + * these are constants for the tableInfo-function + * they are bitwised or'ed. so if there are more constants to be defined + * in the future, adjust DB_TABLEINFO_FULL accordingly + */ + +define('DB_TABLEINFO_ORDER', 1); +define('DB_TABLEINFO_ORDERTABLE', 2); +define('DB_TABLEINFO_FULL', 3); +} + +/** + * The main "DB" class is simply a container class with some static + * methods for creating DB objects as well as some utility functions + * common to all parts of DB. + * + */ + +class DB +{ + /** + * Create a new DB object for the specified database type + * + * @param $type string database type, for example "mysql" + * + * @return object a newly created DB object, or a DB error code on + * error + */ + + function &factory($type) + { + include_once(ADODB_DIR."/drivers/adodb-$type.inc.php"); + $obj = &NewADOConnection($type); + if (!is_object($obj)) $obj =& new PEAR_Error('Unknown Database Driver: '.$dsninfo['phptype'],-1); + return $obj; + } + + /** + * Create a new DB object and connect to the specified database + * + * @param $dsn mixed "data source name", see the DB::parseDSN + * method for a description of the dsn format. Can also be + * specified as an array of the format returned by DB::parseDSN. + * + * @param $options mixed if boolean (or scalar), tells whether + * this connection should be persistent (for backends that support + * this). This parameter can also be an array of options, see + * DB_common::setOption for more information on connection + * options. + * + * @return object a newly created DB connection object, or a DB + * error object on error + * + * @see DB::parseDSN + * @see DB::isError + */ + function &connect($dsn, $options = false) + { + if (is_array($dsn)) { + $dsninfo = $dsn; + } else { + $dsninfo = DB::parseDSN($dsn); + } + switch ($dsninfo["phptype"]) { + case 'pgsql': $type = 'postgres7'; break; + case 'ifx': $type = 'informix9'; break; + default: $type = $dsninfo["phptype"]; break; + } + + if (is_array($options) && isset($options["debug"]) && + $options["debug"] >= 2) { + // expose php errors with sufficient debug level + @include_once("adodb-$type.inc.php"); + } else { + @include_once("adodb-$type.inc.php"); + } + + @$obj =& NewADOConnection($type); + if (!is_object($obj)) { + $obj =& new PEAR_Error('Unknown Database Driver: '.$dsninfo['phptype'],-1); + return $obj; + } + if (is_array($options)) { + foreach($options as $k => $v) { + switch(strtolower($k)) { + case 'persist': + case 'persistent': $persist = $v; break; + #ibase + case 'dialect': $obj->dialect = $v; break; + case 'charset': $obj->charset = $v; break; + case 'buffers': $obj->buffers = $v; break; + #ado + case 'charpage': $obj->charPage = $v; break; + #mysql + case 'clientflags': $obj->clientFlags = $v; break; + } + } + } else { + $persist = false; + } + + if (isset($dsninfo['socket'])) $dsninfo['hostspec'] .= ':'.$dsninfo['socket']; + else if (isset($dsninfo['port'])) $dsninfo['hostspec'] .= ':'.$dsninfo['port']; + + if($persist) $ok = $obj->PConnect($dsninfo['hostspec'], $dsninfo['username'],$dsninfo['password'],$dsninfo['database']); + else $ok = $obj->Connect($dsninfo['hostspec'], $dsninfo['username'],$dsninfo['password'],$dsninfo['database']); + + if (!$ok) $obj = ADODB_PEAR_Error(); + return $obj; + } + + /** + * Return the DB API version + * + * @return int the DB API version number + */ + function apiVersion() + { + return 2; + } + + /** + * Tell whether a result code from a DB method is an error + * + * @param $value int result code + * + * @return bool whether $value is an error + */ + function isError($value) + { + if (!is_object($value)) return false; + $class = get_class($value); + return $class == 'pear_error' || is_subclass_of($value, 'pear_error') || + $class == 'db_error' || is_subclass_of($value, 'db_error'); + } + + + /** + * Tell whether a result code from a DB method is a warning. + * Warnings differ from errors in that they are generated by DB, + * and are not fatal. + * + * @param $value mixed result value + * + * @return bool whether $value is a warning + */ + function isWarning($value) + { + return false; + /* + return is_object($value) && + (get_class( $value ) == "db_warning" || + is_subclass_of($value, "db_warning"));*/ + } + + /** + * Parse a data source name + * + * @param $dsn string Data Source Name to be parsed + * + * @return array an associative array with the following keys: + * + * phptype: Database backend used in PHP (mysql, odbc etc.) + * dbsyntax: Database used with regards to SQL syntax etc. + * protocol: Communication protocol to use (tcp, unix etc.) + * hostspec: Host specification (hostname[:port]) + * database: Database to use on the DBMS server + * username: User name for login + * password: Password for login + * + * The format of the supplied DSN is in its fullest form: + * + * phptype(dbsyntax)://username:password@protocol+hostspec/database + * + * Most variations are allowed: + * + * phptype://username:password@protocol+hostspec:110//usr/db_file.db + * phptype://username:password@hostspec/database_name + * phptype://username:password@hostspec + * phptype://username@hostspec + * phptype://hostspec/database + * phptype://hostspec + * phptype(dbsyntax) + * phptype + * + * @author Tomas V.V.Cox <cox@idecnet.com> + */ + function parseDSN($dsn) + { + if (is_array($dsn)) { + return $dsn; + } + + $parsed = array( + 'phptype' => false, + 'dbsyntax' => false, + 'protocol' => false, + 'hostspec' => false, + 'database' => false, + 'username' => false, + 'password' => false + ); + + // Find phptype and dbsyntax + if (($pos = strpos($dsn, '://')) !== false) { + $str = substr($dsn, 0, $pos); + $dsn = substr($dsn, $pos + 3); + } else { + $str = $dsn; + $dsn = NULL; + } + + // Get phptype and dbsyntax + // $str => phptype(dbsyntax) + if (preg_match('|^(.+?)\((.*?)\)$|', $str, $arr)) { + $parsed['phptype'] = $arr[1]; + $parsed['dbsyntax'] = (empty($arr[2])) ? $arr[1] : $arr[2]; + } else { + $parsed['phptype'] = $str; + $parsed['dbsyntax'] = $str; + } + + if (empty($dsn)) { + return $parsed; + } + + // Get (if found): username and password + // $dsn => username:password@protocol+hostspec/database + if (($at = strpos($dsn,'@')) !== false) { + $str = substr($dsn, 0, $at); + $dsn = substr($dsn, $at + 1); + if (($pos = strpos($str, ':')) !== false) { + $parsed['username'] = urldecode(substr($str, 0, $pos)); + $parsed['password'] = urldecode(substr($str, $pos + 1)); + } else { + $parsed['username'] = urldecode($str); + } + } + + // Find protocol and hostspec + // $dsn => protocol+hostspec/database + if (($pos=strpos($dsn, '/')) !== false) { + $str = substr($dsn, 0, $pos); + $dsn = substr($dsn, $pos + 1); + } else { + $str = $dsn; + $dsn = NULL; + } + + // Get protocol + hostspec + // $str => protocol+hostspec + if (($pos=strpos($str, '+')) !== false) { + $parsed['protocol'] = substr($str, 0, $pos); + $parsed['hostspec'] = urldecode(substr($str, $pos + 1)); + } else { + $parsed['hostspec'] = urldecode($str); + } + + // Get dabase if any + // $dsn => database + if (!empty($dsn)) { + $parsed['database'] = $dsn; + } + + return $parsed; + } + + /** + * Load a PHP database extension if it is not loaded already. + * + * @access public + * + * @param $name the base name of the extension (without the .so or + * .dll suffix) + * + * @return bool true if the extension was already or successfully + * loaded, false if it could not be loaded + */ + function assertExtension($name) + { + if (!extension_loaded($name)) { + $dlext = (strncmp(PHP_OS,'WIN',3) === 0) ? '.dll' : '.so'; + @dl($name . $dlext); + } + if (!extension_loaded($name)) { + return false; + } + return true; + } +} + +?>
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