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Name	Size	Permission	Date
adodb-access.inc.php	2.13 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-ado.inc.php	15.98 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-ado5.inc.php	17.08 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-ado_access.inc.php	1.39 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-ado_mssql.inc.php	4.35 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-ads.inc.php	23.41 KB	-rw-rw-rw-	2009-06-26 13:27
adodb-borland_ibase.inc.php	2.19 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-csv.inc.php	4.75 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-db2.inc.php	21.59 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-db2oci.inc.php	4.58 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-db2ora.inc.php	1.62 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-fbsql.inc.php	6.37 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-firebird.inc.php	1.88 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-ibase.inc.php	24.76 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-informix.inc.php	980 B	-rw-rw-rw-	2012-09-03 08:18
adodb-informix72.inc.php	14.44 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-ldap.inc.php	12.11 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-mssql.inc.php	33.8 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-mssql_n.inc.php	7.14 KB	-rw-rw-rw-	2012-01-19 07:44
adodb-mssqlnative.inc.php	30.08 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-mssqlpo.inc.php	1.49 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-mysql.inc.php	22.8 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-mysqli.inc.php	32.66 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-mysqlpo.inc.php	3.14 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-mysqlt.inc.php	3.72 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-netezza.inc.php	5.03 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-oci8.inc.php	46.43 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-oci805.inc.php	1.54 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-oci8po.inc.php	5.53 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-odbc.inc.php	19.33 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-odbc_db2.inc.php	9.13 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-odbc_mssql.inc.php	10.52 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-odbc_oracle.inc.php	3.12 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-odbtp.inc.php	23.29 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-odbtp_unicode.inc.php	1.1 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-oracle.inc.php	9.2 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-pdo.inc.php	14.73 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-pdo_mssql.inc.php	1.41 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-pdo_mysql.inc.php	5 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-pdo_oci.inc.php	2.6 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-pdo_pgsql.inc.php	8.26 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-pdo_sqlite.inc.php	5.78 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-postgres.inc.php	515 B	-rw-rw-rw-	2012-09-03 08:18
adodb-postgres64.inc.php	31.51 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-postgres7.inc.php	11 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-postgres8.inc.php	348 B	-rw-rw-rw-	2012-09-03 08:18
adodb-postgres9.inc.php	1.59 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-proxy.inc.php	805 B	-rw-rw-rw-	2012-09-03 08:18
adodb-sapdb.inc.php	4.98 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-sqlanywhere.inc.php	4.13 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-sqlite.inc.php	10.27 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-sqlite3.inc.php	12 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-sqlitepo.inc.php	1.82 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-sybase.inc.php	12.71 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-sybase_ase.inc.php	3.18 KB	-rw-rw-rw-	2012-09-03 08:18
adodb-vfp.inc.php	2.42 KB	-rw-rw-rw-	2012-09-03 08:18

Rename

<?php

/// $Id $

///////////////////////////////////////////////////////////////////////////
//                                                                       //
// NOTICE OF COPYRIGHT                                                   //
//                                                                       //
// ADOdb  - Database Abstraction Library for PHP                         //
//          http://adodb.sourceforge.net/                                //
//                                                                       //
// Copyright (c) 2000-2012 John Lim (jlim\@natsoft.com.my)               //
//          All rights reserved.                                         //
//          Released under both BSD license and LGPL library license.    //
//          Whenever there is any discrepancy between the two licenses,  //
//          the BSD license will take precedence                         //
//                                                                       //
// Moodle - Modular Object-Oriented Dynamic Learning Environment         //
//          http://moodle.com                                            //
//                                                                       //
// Copyright (C) 2001-3001 Martin Dougiamas        http://dougiamas.com  //
//           (C) 2001-3001 Eloy Lafuente (stronk7) http://contiento.com  //
//                                                                       //
// This program is free software; you can redistribute it and/or modify  //
// it under the terms of the GNU General Public License as published by  //
// the Free Software Foundation; either version 2 of the License, or     //
// (at your option) any later version.                                   //
//                                                                       //
// This program is distributed in the hope that it will be useful,       //
// but WITHOUT ANY WARRANTY; without even the implied warranty of        //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         //
// GNU General Public License for more details:                          //
//                                                                       //
//          http://www.gnu.org/copyleft/gpl.html                         //
//                                                                       //
///////////////////////////////////////////////////////////////////////////

/**
*  MSSQL Driver with auto-prepended "N" for correct unicode storage
*  of SQL literal strings. Intended to be used with MSSQL drivers that
*  are sending UCS-2 data to MSSQL (FreeTDS and ODBTP) in order to get
*  true cross-db compatibility from the application point of view.
*/

// security - hide paths
if (!defined('ADODB_DIR')) die();

// one useful constant
if (!defined('SINGLEQUOTE')) define('SINGLEQUOTE', "'");

include_once(ADODB_DIR.'/drivers/adodb-mssql.inc.php');

class ADODB_mssql_n extends ADODB_mssql {
	var $databaseType = "mssql_n";
	
	function ADODB_mssqlpo()
	{
		ADODB_mssql::ADODB_mssql();
	}

function _query($sql,$inputarr=false)
	{
        $sql = $this->_appendN($sql);
		return ADODB_mssql::_query($sql,$inputarr);
	}

/**
     * This function will intercept all the literals used in the SQL, prepending the "N" char to them
     * in order to allow mssql to store properly data sent in the correct UCS-2 encoding (by freeTDS
     * and ODBTP) keeping SQL compatibility at ADOdb level (instead of hacking every project to add
     * the "N" notation when working against MSSQL.
     *
     * Note that this hack only must be used if ALL the char-based columns in your DB are of type nchar,
     * nvarchar and ntext
     */
    function _appendN($sql) {

$result = $sql;

/// Check we have some single quote in the query. Exit ok.
        if (strpos($sql, SINGLEQUOTE) === false) {
            return $sql;
        }

/// Check we haven't an odd number of single quotes (this can cause problems below
    /// and should be considered one wrong SQL). Exit with debug info.
        if ((substr_count($sql, SINGLEQUOTE) & 1)) {
            if ($this->debug) {
                ADOConnection::outp("{$this->databaseType} internal transformation: not converted. Wrong number of quotes (odd)");
            }
            return $sql;
        }

/// Check we haven't any backslash + single quote combination. It should mean wrong
    /// backslashes use (bad magic_quotes_sybase?). Exit with debug info.
        $regexp = '/(\\\\' . SINGLEQUOTE . '[^' . SINGLEQUOTE . '])/';
        if (preg_match($regexp, $sql)) {
            if ($this->debug) {
                ADOConnection::outp("{$this->databaseType} internal transformation: not converted. Found bad use of backslash + single quote");
            }
            return $sql;
        }

/// Remove pairs of single-quotes
        $pairs = array();
        $regexp = '/(' . SINGLEQUOTE . SINGLEQUOTE . ')/';
        preg_match_all($regexp, $result, $list_of_pairs);
        if ($list_of_pairs) {
            foreach (array_unique($list_of_pairs[0]) as $key=>$value) {
                $pairs['<@#@#@PAIR-'.$key.'@#@#@>'] = $value;
            }
            if (!empty($pairs)) {
                $result = str_replace($pairs, array_keys($pairs), $result);
            }
        }

/// Remove the rest of literals present in the query
        $literals = array();
        $regexp = '/(N?' . SINGLEQUOTE . '.*?' . SINGLEQUOTE . ')/is';
        preg_match_all($regexp, $result, $list_of_literals);
        if ($list_of_literals) {
            foreach (array_unique($list_of_literals[0]) as $key=>$value) {
                $literals['<#@#@#LITERAL-'.$key.'#@#@#>'] = $value;
            }
            if (!empty($literals)) {
                $result = str_replace($literals, array_keys($literals), $result);
            }
        }

/// Analyse literals to prepend the N char to them if their contents aren't numeric
        if (!empty($literals)) {
            foreach ($literals as $key=>$value) {
                if (!is_numeric(trim($value, SINGLEQUOTE))) {
                /// Non numeric string, prepend our dear N
                    $literals[$key] = 'N' . trim($value, 'N'); //Trimming potentially existing previous "N"
                }
            }
        }

/// Re-apply literals to the text
        if (!empty($literals)) {
            $result = str_replace(array_keys($literals), $literals, $result);
        }

/// Any pairs followed by N' must be switched to N' followed by those pairs
    /// (or strings beginning with single quotes will fail)
        $result = preg_replace("/((<@#@#@PAIR-(\d+)@#@#@>)+)N'/", "N'$1", $result);

/// Re-apply pairs of single-quotes to the text
        if (!empty($pairs)) {
            $result = str_replace(array_keys($pairs), $pairs, $result);
        }

/// Print transformation if debug = on
        if ($result != $sql && $this->debug) {
            ADOConnection::outp("{$this->databaseType} internal transformation:<br>{$sql}<br>to<br>{$result}");
        }

return $result;
    }
}

class ADORecordset_mssql_n extends ADORecordset_mssql {
	var $databaseType = "mssql_n";
	function ADORecordset_mssql_n($id,$mode=false)
	{
		$this->ADORecordset_mssql($id,$mode);
	}
}
?>