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							157 lines
						
					
					
						
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							157 lines
						
					
					
						
							5.9 KiB
						
					
					
				
								<?php
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								    /**
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								    * Helper functions to convert between ADODB recordset objects and XMLRPC values.
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								    * Uses John Lim's AdoDB and Edd Dumbill's phpxmlrpc libs
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								    * 
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								    * @author Daniele Baroncelli
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								    * @author Gaetano Giunta
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								    * @copyright (c) 2003 Giunta/Baroncelli. All rights reserved.
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								    * 
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								    * @todo some more error checking here and there
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								    * @todo document the xmlrpc-struct used to encode recordset info
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								    */
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								    /**
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								    * Include the main libraries
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								    */    
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								    require_once('xmlrpc.inc');
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								    require_once('adodb.inc.php');
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								    /**
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								    * Builds an xmlrpc struct value out of an AdoDB recordset
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								    */
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								    function rs2xmlrpcval(&$adodbrs) {
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								        $numfields = $adodbrs->FieldCount();
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								        $numrecords = $adodbrs->RecordCount();
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								        // build structure holding recordset information
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								        $fieldstruct = array();
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								        for ($i = 0; $i < $numfields; $i++) {
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								            $fld = $adodbrs->FetchField($i);
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								            $fieldarray = array();
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								            if (isset($fld->name))
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								                $fieldarray["name"] = new xmlrpcval ($fld->name);
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								            if (isset($fld->type))
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								                $fieldarray["type"] = new xmlrpcval ($fld->type);
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								            if (isset($fld->max_length))
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								                $fieldarray["max_length"] = new xmlrpcval ($fld->max_length, "int");
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								            if (isset($fld->not_null))
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								                $fieldarray["not_null"] = new xmlrpcval ($fld->not_null, "boolean");
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								            if (isset($fld->has_default))
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								                $fieldarray["has_default"] = new xmlrpcval ($fld->has_default, "boolean");
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								            if (isset($fld->default_value))
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								                $fieldarray["default_value"] = new xmlrpcval ($fld->default_value);
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								            $fieldstruct[$i] = new xmlrpcval ($fieldarray, "struct");
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								        }
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								        $fieldcount = new xmlrpcval ($numfields, "int");
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								        $recordcount = new xmlrpcval ($numrecords, "int");
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								        $sql = new xmlrpcval ($adodbrs->sql);
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								        $fieldinfo = new xmlrpcval ($fieldstruct, "array");
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								        $header = new xmlrpcval ( array(
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								                "fieldcount" => $fieldcount,
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								                "recordcount" => $recordcount,
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								                "sql" => $sql,
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								                "fieldinfo" => $fieldinfo
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								                ), "struct");
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								        // build structure containing recordset data
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								        $rows = array();
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								        while (!$adodbrs->EOF) {
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								            $columns = array();
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								            // This should work on all cases of fetch mode: assoc, num, both or default
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								            if ($adodbrs->fetchMode == 'ADODB_FETCH_BOTH' || count($adodbrs->fields) == 2 * $adodbrs->FieldCount())
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								                for ($i = 0; $i < $numfields; $i++)
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								                    if ($columns[$i] === null)
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								                        $columns[$i] = new xmlrpcval ('');
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								                    else
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								                        $columns[$i] = xmlrpc_encode ($adodbrs->fields[$i]);
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								            else
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								                foreach ($adodbrs->fields as $val)
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								                    if ($val === null)
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								                        $columns[$i] = new xmlrpcval ('');
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								                    else
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								                        $columns[] = xmlrpc_encode ($val);
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								            $rows[] = new xmlrpcval ($columns, "array");
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								            $adodbrs->MoveNext();
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								        }
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								        $body = new xmlrpcval ($rows, "array");
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								        // put it all together and build final xmlrpc struct
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								        $xmlrpcrs = new xmlrpcval ( array(
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								                "header" => $header,
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								                "body" => $body,
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								                ), "struct");
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								        return $xmlrpcrs;
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								    }
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								    /**
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								    * Returns an xmlrpc struct value as string out of an AdoDB recordset
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								    */    
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								    function rs2xmlrpcstring (&$adodbrs) {
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								        $xmlrpc = rs2xmlrpcval ($adodbrs);
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								        if ($xmlrpc)
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								          return $xmlrpc->serialize();
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								        else
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								          return null;
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								    }
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								    /**
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								    * Given a well-formed xmlrpc struct object returns an AdoDB object
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								    * 
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								    * @todo add some error checking on the input value
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								    */
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								    function xmlrpcval2rs (&$xmlrpcval) {
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								        $fields_array = array();
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								        $data_array = array();
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								        // rebuild column information  
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								        $header =& $xmlrpcval->structmem('header');
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								        $numfields = $header->structmem('fieldcount');
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								        $numfields = $numfields->scalarval();
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								        $numrecords = $header->structmem('recordcount');
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								        $numrecords = $numrecords->scalarval();
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								        $sqlstring = $header->structmem('sql');
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								        $sqlstring = $sqlstring->scalarval();
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								        $fieldinfo =& $header->structmem('fieldinfo');
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								        for ($i = 0; $i < $numfields; $i++) {
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								            $temp =& $fieldinfo->arraymem($i);
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								            $fld = new ADOFieldObject();
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								            while (list($key,$value) = $temp->structeach()) {
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								                if ($key == "name") $fld->name = $value->scalarval();
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								                if ($key == "type") $fld->type = $value->scalarval();
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								                if ($key == "max_length") $fld->max_length = $value->scalarval();
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								                if ($key == "not_null") $fld->not_null = $value->scalarval();
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								                if ($key == "has_default") $fld->has_default = $value->scalarval();
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								                if ($key == "default_value") $fld->default_value = $value->scalarval();
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								            } // while
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								            $fields_array[] = $fld;
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								        } // for
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								        // fetch recordset information into php array
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								        $body =& $xmlrpcval->structmem('body');
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								        for ($i = 0; $i < $numrecords; $i++) {
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								            $data_array[$i]= array();
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								            $xmlrpcrs_row =& $body->arraymem($i);
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								            for ($j = 0; $j < $numfields; $j++) {
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								                $temp =& $xmlrpcrs_row->arraymem($j);
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								                $data_array[$i][$j] = $temp->scalarval();
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								            } // for j
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								        } // for i
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								        // finally build in-memory recordset object and return it
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								        $rs = new ADORecordSet_array();
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								        $rs->InitArrayFields($data_array,$fields_array);
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								        return $rs;
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								    }
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								?>
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