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1951 lines
48 KiB
PHP
1951 lines
48 KiB
PHP
<?php
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// Copyright (c) 2004 ars Cognita Inc., all rights reserved
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/* ******************************************************************************
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Released under both BSD license and Lesser GPL library license.
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Whenever there is any discrepancy between the two licenses,
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the BSD license will take precedence.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice, this l
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ist of conditions and the following disclaimer in the documentation and/or other
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materials provided with the distribution.
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Neither the name of the ars Cognita, Inc., nor the names of its contributors may be used
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to endorse or promote products derived from this software without specific prior
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written permission.
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DISCLAIMER:
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WA
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RRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIREC
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T, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR P
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ROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWI
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SE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE P
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OSSIBILITY OF SUCH DAMAGE.
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*******************************************************************************/
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/**
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* xmlschema is a class that allows the user to quickly and easily
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* build a database on any ADOdb-supported platform using a simple
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* XML schema.
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*
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* Last Editor: $Author$
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* @author Richard Tango-Lowy & Dan Cech
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* @version $Revision$
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*
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* @package axmls
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* @tutorial getting_started.pkg
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*/
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/**
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* Debug on or off
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*/
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if( !defined( 'XMLS_DEBUG' ) ) {
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define( 'XMLS_DEBUG', FALSE );
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}
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/**
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* Default prefix key
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*/
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if( !defined( 'XMLS_PREFIX' ) ) {
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define( 'XMLS_PREFIX', '%%P' );
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}
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/**
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* Maximum length allowed for object prefix
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*/
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if( !defined( 'XMLS_PREFIX_MAXLEN' ) ) {
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define( 'XMLS_PREFIX_MAXLEN', 10 );
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}
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/**
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* Execute SQL inline as it is generated
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*/
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if( !defined( 'XMLS_EXECUTE_INLINE' ) ) {
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define( 'XMLS_EXECUTE_INLINE', FALSE );
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}
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/**
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* Continue SQL Execution if an error occurs?
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*/
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if( !defined( 'XMLS_CONTINUE_ON_ERROR' ) ) {
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define( 'XMLS_CONTINUE_ON_ERROR', FALSE );
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}
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/**
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* Current Schema Version
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*/
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if( !defined( 'XMLS_SCHEMA_VERSION' ) ) {
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define( 'XMLS_SCHEMA_VERSION', '0.2' );
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}
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/**
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* Default Schema Version. Used for Schemas without an explicit version set.
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*/
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if( !defined( 'XMLS_DEFAULT_SCHEMA_VERSION' ) ) {
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define( 'XMLS_DEFAULT_SCHEMA_VERSION', '0.1' );
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}
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/**
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* Default Schema Version. Used for Schemas without an explicit version set.
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*/
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if( !defined( 'XMLS_DEFAULT_UPGRADE_METHOD' ) ) {
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define( 'XMLS_DEFAULT_UPGRADE_METHOD', 'ALTER' );
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}
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/**
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* Include the main ADODB library
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*/
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if( !defined( '_ADODB_LAYER' ) ) {
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require( 'adodb.inc.php' );
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}
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/**
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* Abstract DB Object. This class provides basic methods for database objects, such
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* as tables and indexes.
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*
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* @package axmls
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* @access private
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*/
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class dbObject {
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/**
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* var object Parent
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*/
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var $parent;
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/**
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* var string current element
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*/
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var $currentElement;
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/**
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* NOP
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*/
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function dbObject( &$parent, $attributes = NULL ) {
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$this->parent =& $parent;
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}
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/**
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* XML Callback to process start elements
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*
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* @access private
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*/
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function _tag_open( &$parser, $tag, $attributes ) {
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}
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/**
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* XML Callback to process CDATA elements
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*
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* @access private
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*/
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function _tag_cdata( &$parser, $cdata ) {
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}
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/**
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* XML Callback to process end elements
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*
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* @access private
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*/
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function _tag_close( &$parser, $tag ) {
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}
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function create() {
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return array();
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}
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/**
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* Destroys the object
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*/
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function destroy() {
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unset( $this );
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}
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/**
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* Checks whether the specified RDBMS is supported by the current
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* database object or its ranking ancestor.
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*
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* @param string $platform RDBMS platform name (from ADODB platform list).
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* @return boolean TRUE if RDBMS is supported; otherwise returns FALSE.
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*/
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function supportedPlatform( $platform = NULL ) {
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return is_object( $this->parent ) ? $this->parent->supportedPlatform( $platform ) : TRUE;
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}
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/**
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* Returns the prefix set by the ranking ancestor of the database object.
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*
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* @param string $name Prefix string.
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* @return string Prefix.
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*/
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function prefix( $name = '' ) {
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return is_object( $this->parent ) ? $this->parent->prefix( $name ) : $name;
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}
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/**
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* Extracts a field ID from the specified field.
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*
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* @param string $field Field.
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* @return string Field ID.
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*/
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function FieldID( $field ) {
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return strtoupper( preg_replace( '/^`(.+)`$/', '$1', $field ) );
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}
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}
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/**
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* Creates a table object in ADOdb's datadict format
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*
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* This class stores information about a database table. As charactaristics
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* of the table are loaded from the external source, methods and properties
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* of this class are used to build up the table description in ADOdb's
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* datadict format.
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*
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* @package axmls
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* @access private
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*/
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class dbTable extends dbObject {
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/**
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* @var string Table name
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*/
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var $name;
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/**
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* @var array Field specifier: Meta-information about each field
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*/
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var $fields = array();
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/**
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* @var array List of table indexes.
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*/
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var $indexes = array();
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/**
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* @var array Table options: Table-level options
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*/
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var $opts = array();
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/**
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* @var string Field index: Keeps track of which field is currently being processed
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*/
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var $current_field;
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/**
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* @var boolean Mark table for destruction
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* @access private
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*/
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var $drop_table;
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/**
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* @var boolean Mark field for destruction (not yet implemented)
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* @access private
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*/
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var $drop_field = array();
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/**
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* Iniitializes a new table object.
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*
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* @param string $prefix DB Object prefix
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* @param array $attributes Array of table attributes.
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*/
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function dbTable( &$parent, $attributes = NULL ) {
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$this->parent =& $parent;
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$this->name = $this->prefix($attributes['NAME']);
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}
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/**
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* XML Callback to process start elements. Elements currently
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* processed are: INDEX, DROP, FIELD, KEY, NOTNULL, AUTOINCREMENT & DEFAULT.
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*
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* @access private
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*/
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function _tag_open( &$parser, $tag, $attributes ) {
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$this->currentElement = strtoupper( $tag );
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switch( $this->currentElement ) {
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case 'INDEX':
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xml_set_object( $parser, $this->addIndex( $attributes ) );
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break;
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case 'DROP':
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$this->drop();
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break;
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case 'FIELD':
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// Add a field
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$fieldName = $attributes['NAME'];
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$fieldType = $attributes['TYPE'];
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$fieldSize = isset( $attributes['SIZE'] ) ? $attributes['SIZE'] : NULL;
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$fieldOpts = isset( $attributes['OPTS'] ) ? $attributes['OPTS'] : NULL;
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$this->addField( $fieldName, $fieldType, $fieldSize, $fieldOpts );
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break;
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case 'KEY':
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case 'NOTNULL':
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case 'AUTOINCREMENT':
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// Add a field option
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$this->addFieldOpt( $this->current_field, $this->currentElement );
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break;
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case 'DEFAULT':
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// Add a field option to the table object
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// Work around ADOdb datadict issue that misinterprets empty strings.
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if( $attributes['VALUE'] == '' ) {
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$attributes['VALUE'] = " '' ";
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}
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$this->addFieldOpt( $this->current_field, $this->currentElement, $attributes['VALUE'] );
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break;
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default:
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// print_r( array( $tag, $attributes ) );
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}
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}
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/**
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* XML Callback to process CDATA elements
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*
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* @access private
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*/
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function _tag_cdata( &$parser, $cdata ) {
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switch( $this->currentElement ) {
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// Table constraint
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case 'CONSTRAINT':
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// Table option
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case 'OPT':
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$this->addTableOpt( $cdata );
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break;
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default:
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}
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}
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/**
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* XML Callback to process end elements
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*
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* @access private
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*/
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function _tag_close( &$parser, $tag ) {
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$this->currentElement = '';
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switch( strtoupper( $tag ) ) {
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case 'TABLE':
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$this->parent->addSQL( $this->create( $this->parent ) );
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xml_set_object( $parser, $this->parent );
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$this->destroy();
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break;
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}
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}
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/**
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* Adds an index to a table object
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*
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* @param array $attributes Index attributes
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* @return object dbIndex object
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*/
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function &addIndex( $attributes ) {
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$name = strtoupper( $attributes['NAME'] );
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$this->indexes[$name] =& new dbIndex( $this, $attributes );
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return $this->indexes[$name];
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}
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/**
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* Adds a field to a table object
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*
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* $name is the name of the table to which the field should be added.
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* $type is an ADODB datadict field type. The following field types
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* are supported as of ADODB 3.40:
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* - C: varchar
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* - X: CLOB (character large object) or largest varchar size
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* if CLOB is not supported
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* - C2: Multibyte varchar
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* - X2: Multibyte CLOB
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* - B: BLOB (binary large object)
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* - D: Date (some databases do not support this, and we return a datetime type)
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* - T: Datetime or Timestamp
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* - L: Integer field suitable for storing booleans (0 or 1)
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* - I: Integer (mapped to I4)
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* - I1: 1-byte integer
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* - I2: 2-byte integer
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* - I4: 4-byte integer
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* - I8: 8-byte integer
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* - F: Floating point number
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* - N: Numeric or decimal number
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*
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* @param string $name Name of the table to which the field will be added.
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* @param string $type ADODB datadict field type.
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* @param string $size Field size
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* @param array $opts Field options array
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* @return array Field specifier array
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*/
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function addField( $name, $type, $size = NULL, $opts = NULL ) {
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$field_id = $this->FieldID( $name );
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// Set the field index so we know where we are
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$this->current_field = $field_id;
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// Set the field name (required)
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$this->fields[$field_id]['NAME'] = $name;
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// Set the field type (required)
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$this->fields[$field_id]['TYPE'] = $type;
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// Set the field size (optional)
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if( isset( $size ) ) {
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$this->fields[$field_id]['SIZE'] = $size;
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}
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// Set the field options
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if( isset( $opts ) ) {
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$this->fields[$field_id]['OPTS'] = $opts;
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}
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}
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/**
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* Adds a field option to the current field specifier
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*
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* This method adds a field option allowed by the ADOdb datadict
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* and appends it to the given field.
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*
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* @param string $field Field name
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* @param string $opt ADOdb field option
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* @param mixed $value Field option value
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* @return array Field specifier array
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*/
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function addFieldOpt( $field, $opt, $value = NULL ) {
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if( !isset( $value ) ) {
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$this->fields[$this->FieldID( $field )]['OPTS'][] = $opt;
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// Add the option and value
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} else {
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$this->fields[$this->FieldID( $field )]['OPTS'][] = array( $opt => $value );
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}
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}
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/**
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* Adds an option to the table
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*
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* This method takes a comma-separated list of table-level options
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* and appends them to the table object.
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*
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* @param string $opt Table option
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* @return array Options
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*/
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function addTableOpt( $opt ) {
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$this->opts[] = $opt;
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return $this->opts;
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}
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/**
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* Generates the SQL that will create the table in the database
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*
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* @param object $xmls adoSchema object
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* @return array Array containing table creation SQL
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*/
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function create( &$xmls ) {
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$sql = array();
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// drop any existing indexes
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if( is_array( $legacy_indexes = $xmls->dict->MetaIndexes( $this->name ) ) ) {
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foreach( $legacy_indexes as $index => $index_details ) {
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$sql[] = $xmls->dict->DropIndexSQL( $index, $this->name );
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}
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}
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// remove fields to be dropped from table object
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foreach( $this->drop_field as $field ) {
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unset( $this->fields[$field] );
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}
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// if table exists
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if( is_array( $legacy_fields = $xmls->dict->MetaColumns( $this->name ) ) ) {
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// drop table
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if( $this->drop_table ) {
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$sql[] = $xmls->dict->DropTableSQL( $this->name );
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return $sql;
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}
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// drop any existing fields not in schema
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foreach( $legacy_fields as $field_id => $field ) {
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if( !isset( $this->fields[$field_id] ) ) {
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$sql[] = $xmls->dict->DropColumnSQL( $this->name, '`'.$field->name.'`' );
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}
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}
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// if table doesn't exist
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} else {
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if( $this->drop_table ) {
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return $sql;
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}
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$legacy_fields = array();
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}
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// Loop through the field specifier array, building the associative array for the field options
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$fldarray = array();
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foreach( $this->fields as $field_id => $finfo ) {
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// Set an empty size if it isn't supplied
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if( !isset( $finfo['SIZE'] ) ) {
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$finfo['SIZE'] = '';
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}
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// Initialize the field array with the type and size
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$fldarray[$field_id] = array(
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'NAME' => $finfo['NAME'],
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'TYPE' => $finfo['TYPE'],
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'SIZE' => $finfo['SIZE']
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);
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// Loop through the options array and add the field options.
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if( isset( $finfo['OPTS'] ) ) {
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foreach( $finfo['OPTS'] as $opt ) {
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// Option has an argument.
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if( is_array( $opt ) ) {
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$key = key( $opt );
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$value = $opt[key( $opt )];
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$fldarray[$field_id][$key] = $value;
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// Option doesn't have arguments
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} else {
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$fldarray[$field_id][$opt] = $opt;
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}
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}
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}
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}
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if( empty( $legacy_fields ) ) {
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// Create the new table
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$sql[] = $xmls->dict->CreateTableSQL( $this->name, $fldarray, $this->opts );
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logMsg( end( $sql ), 'Generated CreateTableSQL' );
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} else {
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// Upgrade an existing table
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logMsg( "Upgrading {$this->name} using '{$xmls->upgrade}'" );
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switch( $xmls->upgrade ) {
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// Use ChangeTableSQL
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case 'ALTER':
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logMsg( 'Generated ChangeTableSQL (ALTERing table)' );
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$sql[] = $xmls->dict->ChangeTableSQL( $this->name, $fldarray, $this->opts );
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break;
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case 'REPLACE':
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logMsg( 'Doing upgrade REPLACE (testing)' );
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$sql[] = $xmls->dict->DropTableSQL( $this->name );
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$sql[] = $xmls->dict->CreateTableSQL( $this->name, $fldarray, $this->opts );
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break;
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// ignore table
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default:
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return array();
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}
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}
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foreach( $this->indexes as $index ) {
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$sql[] = $index->create( $xmls );
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}
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return $sql;
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}
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/**
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* Marks a field or table for destruction
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*/
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function drop() {
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if( isset( $this->current_field ) ) {
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// Drop the current field
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logMsg( "Dropping field '{$this->current_field}' from table '{$this->name}'" );
|
|
// $this->drop_field[$this->current_field] = $xmls->dict->DropColumnSQL( $this->name, $this->current_field );
|
|
$this->drop_field[$this->current_field] = $this->current_field;
|
|
} else {
|
|
// Drop the current table
|
|
logMsg( "Dropping table '{$this->name}'" );
|
|
// $this->drop_table = $xmls->dict->DropTableSQL( $this->name );
|
|
$this->drop_table = TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Creates an index object in ADOdb's datadict format
|
|
*
|
|
* This class stores information about a database index. As charactaristics
|
|
* of the index are loaded from the external source, methods and properties
|
|
* of this class are used to build up the index description in ADOdb's
|
|
* datadict format.
|
|
*
|
|
* @package axmls
|
|
* @access private
|
|
*/
|
|
class dbIndex extends dbObject {
|
|
|
|
/**
|
|
* @var string Index name
|
|
*/
|
|
var $name;
|
|
|
|
/**
|
|
* @var array Index options: Index-level options
|
|
*/
|
|
var $opts = array();
|
|
|
|
/**
|
|
* @var array Indexed fields: Table columns included in this index
|
|
*/
|
|
var $columns = array();
|
|
|
|
/**
|
|
* @var boolean Mark index for destruction
|
|
* @access private
|
|
*/
|
|
var $drop = FALSE;
|
|
|
|
/**
|
|
* Initializes the new dbIndex object.
|
|
*
|
|
* @param object $parent Parent object
|
|
* @param array $attributes Attributes
|
|
*
|
|
* @internal
|
|
*/
|
|
function dbIndex( &$parent, $attributes = NULL ) {
|
|
$this->parent =& $parent;
|
|
|
|
$this->name = $this->prefix ($attributes['NAME']);
|
|
}
|
|
|
|
/**
|
|
* XML Callback to process start elements
|
|
*
|
|
* Processes XML opening tags.
|
|
* Elements currently processed are: DROP, CLUSTERED, BITMAP, UNIQUE, FULLTEXT & HASH.
|
|
*
|
|
* @access private
|
|
*/
|
|
function _tag_open( &$parser, $tag, $attributes ) {
|
|
$this->currentElement = strtoupper( $tag );
|
|
|
|
switch( $this->currentElement ) {
|
|
case 'DROP':
|
|
$this->drop();
|
|
break;
|
|
case 'CLUSTERED':
|
|
case 'BITMAP':
|
|
case 'UNIQUE':
|
|
case 'FULLTEXT':
|
|
case 'HASH':
|
|
// Add index Option
|
|
$this->addIndexOpt( $this->currentElement );
|
|
break;
|
|
default:
|
|
// print_r( array( $tag, $attributes ) );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* XML Callback to process CDATA elements
|
|
*
|
|
* Processes XML cdata.
|
|
*
|
|
* @access private
|
|
*/
|
|
function _tag_cdata( &$parser, $cdata ) {
|
|
switch( $this->currentElement ) {
|
|
// Index field name
|
|
case 'COL':
|
|
$this->addField( $cdata );
|
|
break;
|
|
default:
|
|
|
|
}
|
|
}
|
|
|
|
/**
|
|
* XML Callback to process end elements
|
|
*
|
|
* @access private
|
|
*/
|
|
function _tag_close( &$parser, $tag ) {
|
|
$this->currentElement = '';
|
|
|
|
switch( strtoupper( $tag ) ) {
|
|
case 'INDEX':
|
|
xml_set_object( $parser, $this->parent );
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Adds a field to the index
|
|
*
|
|
* @param string $name Field name
|
|
* @return string Field list
|
|
*/
|
|
function addField( $name ) {
|
|
$this->columns[$this->FieldID( $name )] = $name;
|
|
|
|
// Return the field list
|
|
return $this->columns;
|
|
}
|
|
|
|
/**
|
|
* Adds options to the index
|
|
*
|
|
* @param string $opt Comma-separated list of index options.
|
|
* @return string Option list
|
|
*/
|
|
function addIndexOpt( $opt ) {
|
|
$this->opts[] = $opt;
|
|
|
|
// Return the options list
|
|
return $this->opts;
|
|
}
|
|
|
|
/**
|
|
* Generates the SQL that will create the index in the database
|
|
*
|
|
* @param object $xmls adoSchema object
|
|
* @return array Array containing index creation SQL
|
|
*/
|
|
function create( &$xmls ) {
|
|
if( $this->drop ) {
|
|
return NULL;
|
|
}
|
|
|
|
// eliminate any columns that aren't in the table
|
|
foreach( $this->columns as $id => $col ) {
|
|
if( !isset( $this->parent->fields[$id] ) ) {
|
|
unset( $this->columns[$id] );
|
|
}
|
|
}
|
|
|
|
return $xmls->dict->CreateIndexSQL( $this->name, $this->parent->name, $this->columns, $this->opts );
|
|
}
|
|
|
|
/**
|
|
* Marks an index for destruction
|
|
*/
|
|
function drop() {
|
|
$this->drop = TRUE;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Creates the SQL to execute a list of provided SQL queries
|
|
*
|
|
* @package axmls
|
|
* @access private
|
|
*/
|
|
class dbQuerySet extends dbObject {
|
|
|
|
/**
|
|
* @var array List of SQL queries
|
|
*/
|
|
var $queries = array();
|
|
|
|
/**
|
|
* @var string String used to build of a query line by line
|
|
*/
|
|
var $query;
|
|
|
|
/**
|
|
* @var string Query prefix key
|
|
*/
|
|
var $prefixKey = '';
|
|
|
|
/**
|
|
* @var boolean Auto prefix enable (TRUE)
|
|
*/
|
|
var $prefixMethod = 'AUTO';
|
|
|
|
/**
|
|
* Initializes the query set.
|
|
*
|
|
* @param object $parent Parent object
|
|
* @param array $attributes Attributes
|
|
*/
|
|
function dbQuerySet( &$parent, $attributes = NULL ) {
|
|
$this->parent =& $parent;
|
|
|
|
// Overrides the manual prefix key
|
|
if( isset( $attributes['KEY'] ) ) {
|
|
$this->prefixKey = $attributes['KEY'];
|
|
}
|
|
|
|
$prefixMethod = isset( $attributes['PREFIXMETHOD'] ) ? strtoupper( trim( $attributes['PREFIXMETHOD'] ) ) : '';
|
|
|
|
// Enables or disables automatic prefix prepending
|
|
switch( $prefixMethod ) {
|
|
case 'AUTO':
|
|
$this->prefixMethod = 'AUTO';
|
|
break;
|
|
case 'MANUAL':
|
|
$this->prefixMethod = 'MANUAL';
|
|
break;
|
|
case 'NONE':
|
|
$this->prefixMethod = 'NONE';
|
|
break;
|
|
default:
|
|
$this->prefixMethod = 'AUTO';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* XML Callback to process start elements. Elements currently
|
|
* processed are: QUERY.
|
|
*
|
|
* @access private
|
|
*/
|
|
function _tag_open( &$parser, $tag, $attributes ) {
|
|
$this->currentElement = strtoupper( $tag );
|
|
|
|
switch( $this->currentElement ) {
|
|
case 'QUERY':
|
|
// Create a new query in a SQL queryset.
|
|
// Ignore this query set if a platform is specified and it's different than the
|
|
// current connection platform.
|
|
if( !isset( $attributes['PLATFORM'] ) OR $this->supportedPlatform( $attributes['PLATFORM'] ) ) {
|
|
$this->newQuery();
|
|
} else {
|
|
$this->discardQuery();
|
|
}
|
|
break;
|
|
default:
|
|
// print_r( array( $tag, $attributes ) );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* XML Callback to process CDATA elements
|
|
*/
|
|
function _tag_cdata( &$parser, $cdata ) {
|
|
switch( $this->currentElement ) {
|
|
// Line of queryset SQL data
|
|
case 'QUERY':
|
|
$this->buildQuery( $cdata );
|
|
break;
|
|
default:
|
|
|
|
}
|
|
}
|
|
|
|
/**
|
|
* XML Callback to process end elements
|
|
*
|
|
* @access private
|
|
*/
|
|
function _tag_close( &$parser, $tag ) {
|
|
$this->currentElement = '';
|
|
|
|
switch( strtoupper( $tag ) ) {
|
|
case 'QUERY':
|
|
// Add the finished query to the open query set.
|
|
$this->addQuery();
|
|
break;
|
|
case 'SQL':
|
|
$this->parent->addSQL( $this->create( $this->parent ) );
|
|
xml_set_object( $parser, $this->parent );
|
|
$this->destroy();
|
|
break;
|
|
default:
|
|
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Re-initializes the query.
|
|
*
|
|
* @return boolean TRUE
|
|
*/
|
|
function newQuery() {
|
|
$this->query = '';
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* Discards the existing query.
|
|
*
|
|
* @return boolean TRUE
|
|
*/
|
|
function discardQuery() {
|
|
unset( $this->query );
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* Appends a line to a query that is being built line by line
|
|
*
|
|
* @param string $data Line of SQL data or NULL to initialize a new query
|
|
* @return string SQL query string.
|
|
*/
|
|
function buildQuery( $sql = NULL ) {
|
|
if( !isset( $this->query ) ) {
|
|
return FALSE;
|
|
}
|
|
|
|
if( empty( $sql ) ) {
|
|
return FALSE;
|
|
}
|
|
|
|
if( !empty( $this->query ) ) {
|
|
$this->query .= ' ';
|
|
}
|
|
|
|
$this->query .= trim( $sql );
|
|
|
|
return $this->query;
|
|
}
|
|
|
|
/**
|
|
* Adds a completed query to the query list
|
|
*
|
|
* @return string SQL of added query
|
|
*/
|
|
function addQuery() {
|
|
if( !isset( $this->query ) ) {
|
|
return FALSE;
|
|
}
|
|
|
|
$this->queries[] = $this->query;
|
|
$return = $this->query;
|
|
|
|
unset( $this->query );
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Creates and returns the current query set
|
|
*
|
|
* @param object $xmls adoSchema object
|
|
* @return array Query set
|
|
*/
|
|
function create( &$xmls ) {
|
|
foreach( $this->queries as $id => $query ) {
|
|
switch( $this->prefixMethod ) {
|
|
case 'AUTO':
|
|
// Enable auto prefix replacement
|
|
|
|
// Process object prefix.
|
|
// Evaluate SQL statements to prepend prefix to objects
|
|
$query = $this->prefixQuery( '/^\s*((?is)INSERT\s+(INTO\s+)?)((\w+\s*,?\s*)+)(\s.*$)/', $query );
|
|
$query = $this->prefixQuery( '/^\s*((?is)UPDATE\s+(FROM\s+)?)((\w+\s*,?\s*)+)(\s.*$)/', $query );
|
|
$query = $this->prefixQuery( '/^\s*((?is)DELETE\s+(FROM\s+)?)((\w+\s*,?\s*)+)(\s.*$)/', $query );
|
|
|
|
// SELECT statements aren't working yet
|
|
#$data = preg_replace( '/(?ias)(^\s*SELECT\s+.*\s+FROM)\s+(\W\s*,?\s*)+((?i)\s+WHERE.*$)/', "\1 $prefix\2 \3", $data );
|
|
|
|
case 'MANUAL':
|
|
// If prefixKey is set and has a value then we use it to override the default constant XMLS_PREFIX.
|
|
// If prefixKey is not set, we use the default constant XMLS_PREFIX
|
|
if( isset( $this->prefixKey ) AND( $this->prefixKey !== '' ) ) {
|
|
// Enable prefix override
|
|
$query = str_replace( $this->prefixKey, $xmls->objectPrefix, $query );
|
|
} else {
|
|
// Use default replacement
|
|
$query = str_replace( XMLS_PREFIX , $xmls->objectPrefix, $query );
|
|
}
|
|
}
|
|
|
|
$this->queries[$id] = trim( $query );
|
|
}
|
|
|
|
// Return the query set array
|
|
return $this->queries;
|
|
}
|
|
|
|
/**
|
|
* Rebuilds the query with the prefix attached to any objects
|
|
*
|
|
* @param string $regex Regex used to add prefix
|
|
* @param string $query SQL query string
|
|
* @param string $prefix Prefix to be appended to tables, indices, etc.
|
|
* @return string Prefixed SQL query string.
|
|
*/
|
|
function prefixQuery( $regex, $query, $prefix = NULL ) {
|
|
if( !isset( $prefix ) ) {
|
|
return $query;
|
|
}
|
|
|
|
if( preg_match( $regex, $query, $match ) ) {
|
|
$preamble = $match[1];
|
|
$postamble = $match[5];
|
|
$objectList = explode( ',', $match[3] );
|
|
// $prefix = $prefix . '_';
|
|
|
|
$prefixedList = '';
|
|
|
|
foreach( $objectList as $object ) {
|
|
if( $prefixedList !== '' ) {
|
|
$prefixedList .= ', ';
|
|
}
|
|
|
|
$prefixedList .= $prefix . trim( $object );
|
|
}
|
|
|
|
$query = $preamble . ' ' . $prefixedList . ' ' . $postamble;
|
|
}
|
|
|
|
return $query;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Loads and parses an XML file, creating an array of "ready-to-run" SQL statements
|
|
*
|
|
* This class is used to load and parse the XML file, to create an array of SQL statements
|
|
* that can be used to build a database, and to build the database using the SQL array.
|
|
*
|
|
* @tutorial getting_started.pkg
|
|
*
|
|
* @author Richard Tango-Lowy & Dan Cech
|
|
* @version $Revision$
|
|
*
|
|
* @package axmls
|
|
*/
|
|
class adoSchema {
|
|
|
|
/**
|
|
* @var array Array containing SQL queries to generate all objects
|
|
* @access private
|
|
*/
|
|
var $sqlArray;
|
|
|
|
/**
|
|
* @var object ADOdb connection object
|
|
* @access private
|
|
*/
|
|
var $db;
|
|
|
|
/**
|
|
* @var object ADOdb Data Dictionary
|
|
* @access private
|
|
*/
|
|
var $dict;
|
|
|
|
/**
|
|
* @var string Current XML element
|
|
* @access private
|
|
*/
|
|
var $currentElement = '';
|
|
|
|
/**
|
|
* @var string If set (to 'ALTER' or 'REPLACE'), upgrade an existing database
|
|
* @access private
|
|
*/
|
|
var $upgrade = '';
|
|
|
|
/**
|
|
* @var string Optional object prefix
|
|
* @access private
|
|
*/
|
|
var $objectPrefix = '';
|
|
|
|
/**
|
|
* @var long Original Magic Quotes Runtime value
|
|
* @access private
|
|
*/
|
|
var $mgq;
|
|
|
|
/**
|
|
* @var long System debug
|
|
* @access private
|
|
*/
|
|
var $debug;
|
|
|
|
/**
|
|
* @var string Regular expression to find schema version
|
|
* @access private
|
|
*/
|
|
var $versionRegex = '/<schema.*?( version="([^"]*)")?.*?>/';
|
|
|
|
/**
|
|
* @var string Current schema version
|
|
* @access private
|
|
*/
|
|
var $schemaVersion;
|
|
|
|
/**
|
|
* @var int Success of last Schema execution
|
|
*/
|
|
var $success;
|
|
|
|
/**
|
|
* @var bool Execute SQL inline as it is generated
|
|
*/
|
|
var $executeInline;
|
|
|
|
/**
|
|
* @var bool Continue SQL execution if errors occur
|
|
*/
|
|
var $continueOnError;
|
|
|
|
/**
|
|
* Creates an adoSchema object
|
|
*
|
|
* Creating an adoSchema object is the first step in processing an XML schema.
|
|
* The only parameter is an ADOdb database connection object, which must already
|
|
* have been created.
|
|
*
|
|
* @param object $db ADOdb database connection object.
|
|
*/
|
|
function adoSchema( &$db ) {
|
|
// Initialize the environment
|
|
$this->mgq = get_magic_quotes_runtime();
|
|
set_magic_quotes_runtime(0);
|
|
|
|
$this->debug = $this->db->debug;
|
|
$this->db =& $db;
|
|
$this->dict = NewDataDictionary( $this->db );
|
|
$this->sqlArray = array();
|
|
$this->schemaVersion = XMLS_SCHEMA_VERSION;
|
|
$this->executeInline( XMLS_EXECUTE_INLINE );
|
|
$this->continueOnError( XMLS_CONTINUE_ON_ERROR );
|
|
$this->setUpgradeMethod();
|
|
}
|
|
|
|
/**
|
|
* Sets the method to be used for upgrading an existing database
|
|
*
|
|
* Use this method to specify how existing database objects should be upgraded.
|
|
* The method option can be set to ALTER, REPLACE, BEST, or NONE. ALTER attempts to
|
|
* alter each database object directly, REPLACE attempts to rebuild each object
|
|
* from scratch, BEST attempts to determine the best upgrade method for each
|
|
* object, and NONE disables upgrading.
|
|
*
|
|
* This method is not yet used by AXMLS, but exists for backward compatibility.
|
|
* The ALTER method is automatically assumed when the adoSchema object is
|
|
* instantiated; other upgrade methods are not currently supported.
|
|
*
|
|
* @param string $method Upgrade method (ALTER|REPLACE|BEST|NONE)
|
|
* @returns string Upgrade method used
|
|
*/
|
|
function SetUpgradeMethod( $method = '' ) {
|
|
if( !is_string( $method ) ) {
|
|
return FALSE;
|
|
}
|
|
|
|
$method = strtoupper( $method );
|
|
|
|
// Handle the upgrade methods
|
|
switch( $method ) {
|
|
case 'ALTER':
|
|
$this->upgrade = $method;
|
|
break;
|
|
case 'REPLACE':
|
|
$this->upgrade = $method;
|
|
break;
|
|
case 'BEST':
|
|
$this->upgrade = 'ALTER';
|
|
break;
|
|
case 'NONE':
|
|
$this->upgrade = 'NONE';
|
|
break;
|
|
default:
|
|
// Use default if no legitimate method is passed.
|
|
$this->upgrade = XMLS_DEFAULT_UPGRADE_METHOD;
|
|
}
|
|
|
|
return $this->upgrade;
|
|
}
|
|
|
|
/**
|
|
* Enables/disables inline SQL execution.
|
|
*
|
|
* Call this method to enable or disable inline execution of the schema. If the mode is set to TRUE (inline execution),
|
|
* AXMLS applies the SQL to the database immediately as each schema entity is parsed. If the mode
|
|
* is set to FALSE (post execution), AXMLS parses the entire schema and you will need to call adoSchema::ExecuteSchema()
|
|
* to apply the schema to the database.
|
|
*
|
|
* @param bool $mode execute
|
|
* @return bool current execution mode
|
|
*
|
|
* @see ParseSchema(), ExecuteSchema()
|
|
*/
|
|
function ExecuteInline( $mode = NULL ) {
|
|
if( is_bool( $mode ) ) {
|
|
$this->executeInline = $mode;
|
|
}
|
|
|
|
return $this->executeInline;
|
|
}
|
|
|
|
/**
|
|
* Enables/disables SQL continue on error.
|
|
*
|
|
* Call this method to enable or disable continuation of SQL execution if an error occurs.
|
|
* If the mode is set to TRUE (continue), AXMLS will continue to apply SQL to the database, even if an error occurs.
|
|
* If the mode is set to FALSE (halt), AXMLS will halt execution of generated sql if an error occurs, though parsing
|
|
* of the schema will continue.
|
|
*
|
|
* @param bool $mode execute
|
|
* @return bool current continueOnError mode
|
|
*
|
|
* @see addSQL(), ExecuteSchema()
|
|
*/
|
|
function ContinueOnError( $mode = NULL ) {
|
|
if( is_bool( $mode ) ) {
|
|
$this->continueOnError = $mode;
|
|
}
|
|
|
|
return $this->continueOnError;
|
|
}
|
|
|
|
/**
|
|
* Loads an XML schema from a file and converts it to SQL.
|
|
*
|
|
* Call this method to load the specified schema (see the DTD for the proper format) from
|
|
* the filesystem and generate the SQL necessary to create the database described.
|
|
* @see ParseSchemaString()
|
|
*
|
|
* @param string $file Name of XML schema file.
|
|
* @return array Array of SQL queries, ready to execute
|
|
*/
|
|
function ParseSchema( $filename ) {
|
|
return $this->ParseSchemaString( $this->ConvertSchemaFile ( $filename ) );
|
|
}
|
|
|
|
/**
|
|
* Loads an XML schema from a file and converts it to SQL.
|
|
*
|
|
* Call this method to load the specified schema from a file (see the DTD for the proper format)
|
|
* and generate the SQL necessary to create the database described by the schema.
|
|
*
|
|
* @param string $file Name of XML schema file.
|
|
* @return array Array of SQL queries, ready to execute.
|
|
*
|
|
* @deprecated Replaced by adoSchema::ParseSchema() and adoSchema::ParseSchemaString()
|
|
* @see ParseSchema(), ParseSchemaString()
|
|
*/
|
|
function ParseSchemaFile( $filename ) {
|
|
// Open the file
|
|
if( !($fp = fopen( $filename, 'r' )) ) {
|
|
// die( 'Unable to open file' );
|
|
return FALSE;
|
|
}
|
|
|
|
// do version detection here
|
|
if( $this->SchemaFileVersion( $filename ) != $this->schemaVersion ) {
|
|
return FALSE;
|
|
}
|
|
|
|
$xmlParser = $this->create_parser();
|
|
|
|
// Process the file
|
|
while( $data = fread( $fp, 4096 ) ) {
|
|
if( !xml_parse( $xmlParser, $data, feof( $fp ) ) ) {
|
|
die( sprintf(
|
|
"XML error: %s at line %d",
|
|
xml_error_string( xml_get_error_code( $xmlParser) ),
|
|
xml_get_current_line_number( $xmlParser)
|
|
) );
|
|
}
|
|
}
|
|
|
|
xml_parser_free( $xmlParser );
|
|
|
|
return $this->sqlArray;
|
|
}
|
|
|
|
/**
|
|
* Converts an XML schema string to SQL.
|
|
*
|
|
* Call this method to parse a string containing an XML schema (see the DTD for the proper format)
|
|
* and generate the SQL necessary to create the database described by the schema.
|
|
* @see ParseSchema()
|
|
*
|
|
* @param string $xmlstring XML schema string.
|
|
* @return array Array of SQL queries, ready to execute.
|
|
*/
|
|
function ParseSchemaString( $xmlstring ) {
|
|
if( !is_string( $xmlstring ) OR empty( $xmlstring ) ) {
|
|
return FALSE;
|
|
}
|
|
|
|
// do version detection here
|
|
if( $this->SchemaStringVersion( $xmlstring ) != $this->schemaVersion ) {
|
|
return FALSE;
|
|
}
|
|
|
|
$xmlParser = $this->create_parser();
|
|
|
|
$this->success = 2;
|
|
|
|
if( !xml_parse( $xmlParser, $xmlstring, TRUE ) ) {
|
|
die( sprintf(
|
|
"XML error: %s at line %d",
|
|
xml_error_string( xml_get_error_code( $xmlParser) ),
|
|
xml_get_current_line_number( $xmlParser)
|
|
) );
|
|
}
|
|
|
|
xml_parser_free( $xmlParser );
|
|
return $this->sqlArray;
|
|
}
|
|
|
|
/**
|
|
* Applies the current XML schema to the database (post execution).
|
|
*
|
|
* Call this method to apply the current schema (generally created by calling
|
|
* ParseSchema() or ParseSchemaString() ) to the database (creating the tables, indexes,
|
|
* and executing other SQL specified in the schema) after parsing.
|
|
* @see ParseSchema(), ParseSchemaString(), ExecuteInline()
|
|
*
|
|
* @param array $sqlArray Array of SQL statements that will be applied rather than
|
|
* the current schema.
|
|
* @param boolean $continueOnErr Continue to apply the schema even if an error occurs.
|
|
* @returns integer 0 if failure, 1 if errors, 2 if successful.
|
|
*/
|
|
function ExecuteSchema( $sqlArray = NULL, $continueOnErr = NULL ) {
|
|
if( !is_bool( $continueOnErr ) ) {
|
|
$continueOnErr = $this->ContinueOnError();
|
|
}
|
|
|
|
if( !isset( $sqlArray ) ) {
|
|
$sqlArray = $this->sqlArray;
|
|
}
|
|
|
|
if( !is_array( $sqlArray ) ) {
|
|
$this->success = 0;
|
|
} else {
|
|
$this->success = $this->dict->ExecuteSQLArray( $sqlArray, $continueOnErr );
|
|
}
|
|
|
|
return $this->success;
|
|
}
|
|
|
|
/**
|
|
* Returns the current SQL array.
|
|
*
|
|
* Call this method to fetch the array of SQL queries resulting from
|
|
* ParseSchema() or ParseSchemaString().
|
|
*
|
|
* @param string $format Format: HTML, TEXT, or NONE (PHP array)
|
|
* @return array Array of SQL statements or FALSE if an error occurs
|
|
*/
|
|
function PrintSQL( $format = 'NONE' ) {
|
|
return $this->getSQL( $format, $sqlArray );
|
|
}
|
|
|
|
/**
|
|
* Saves the current SQL array to the local filesystem as a list of SQL queries.
|
|
*
|
|
* Call this method to save the array of SQL queries (generally resulting from a
|
|
* parsed XML schema) to the filesystem.
|
|
*
|
|
* @param string $filename Path and name where the file should be saved.
|
|
* @return boolean TRUE if save is successful, else FALSE.
|
|
*/
|
|
function SaveSQL( $filename = './schema.sql' ) {
|
|
|
|
if( !isset( $sqlArray ) ) {
|
|
$sqlArray = $this->sqlArray;
|
|
}
|
|
if( !isset( $sqlArray ) ) {
|
|
return FALSE;
|
|
}
|
|
|
|
$fp = fopen( $filename, "w" );
|
|
|
|
foreach( $sqlArray as $key => $query ) {
|
|
fwrite( $fp, $query . ";\n" );
|
|
}
|
|
fclose( $fp );
|
|
}
|
|
|
|
/**
|
|
* Create an xml parser
|
|
*
|
|
* @return object PHP XML parser object
|
|
*
|
|
* @access private
|
|
*/
|
|
function &create_parser() {
|
|
// Create the parser
|
|
$xmlParser = xml_parser_create();
|
|
xml_set_object( $xmlParser, $this );
|
|
|
|
// Initialize the XML callback functions
|
|
xml_set_element_handler( $xmlParser, '_tag_open', '_tag_close' );
|
|
xml_set_character_data_handler( $xmlParser, '_tag_cdata' );
|
|
|
|
return $xmlParser;
|
|
}
|
|
|
|
/**
|
|
* XML Callback to process start elements
|
|
*
|
|
* @access private
|
|
*/
|
|
function _tag_open( &$parser, $tag, $attributes ) {
|
|
switch( strtoupper( $tag ) ) {
|
|
case 'TABLE':
|
|
$this->obj = new dbTable( $this, $attributes );
|
|
xml_set_object( $parser, $this->obj );
|
|
break;
|
|
case 'SQL':
|
|
if( !isset( $attributes['PLATFORM'] ) OR $this->supportedPlatform( $attributes['PLATFORM'] ) ) {
|
|
$this->obj = new dbQuerySet( $this, $attributes );
|
|
xml_set_object( $parser, $this->obj );
|
|
}
|
|
break;
|
|
default:
|
|
// print_r( array( $tag, $attributes ) );
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* XML Callback to process CDATA elements
|
|
*
|
|
* @access private
|
|
*/
|
|
function _tag_cdata( &$parser, $cdata ) {
|
|
}
|
|
|
|
/**
|
|
* XML Callback to process end elements
|
|
*
|
|
* @access private
|
|
* @internal
|
|
*/
|
|
function _tag_close( &$parser, $tag ) {
|
|
|
|
}
|
|
|
|
/**
|
|
* Converts an XML schema string to the specified DTD version.
|
|
*
|
|
* Call this method to convert a string containing an XML schema to a different AXMLS
|
|
* DTD version. For instance, to convert a schema created for an pre-1.0 version for
|
|
* AXMLS (DTD version 0.1) to a newer version of the DTD (e.g. 0.2). If no DTD version
|
|
* parameter is specified, the schema will be converted to the current DTD version.
|
|
* If the newFile parameter is provided, the converted schema will be written to the specified
|
|
* file.
|
|
* @see ConvertSchemaFile()
|
|
*
|
|
* @param string $schema String containing XML schema that will be converted.
|
|
* @param string $newVersion DTD version to convert to.
|
|
* @param string $newFile File name of (converted) output file.
|
|
* @return string Converted XML schema or FALSE if an error occurs.
|
|
*/
|
|
function ConvertSchemaString( $schema, $newVersion = NULL, $newFile = NULL ) {
|
|
|
|
// grab current version
|
|
if( !( $version = $this->SchemaStringVersion( $schema ) ) ) {
|
|
return FALSE;
|
|
}
|
|
|
|
if( !isset ($newVersion) ) {
|
|
$newVersion = $this->schemaVersion;
|
|
}
|
|
|
|
if( $version == $newVersion ) {
|
|
$result = $schema;
|
|
} else {
|
|
// Fail if XSLT extension is not available
|
|
if( ! function_exists( 'xslt_create' ) ) {
|
|
return FALSE;
|
|
}
|
|
|
|
$xsl_file = dirname( __FILE__ ) . '/xsl/convert-' . $version . '-' . $newVersion . '.xsl';
|
|
|
|
// look for xsl
|
|
if( !is_readable( $xsl_file ) ) {
|
|
return FALSE;
|
|
}
|
|
|
|
$arguments = array (
|
|
'/_xml' => $schema,
|
|
'/_xsl' => file_get_contents ($xsl_file)
|
|
);
|
|
|
|
// create an XSLT processor
|
|
$xh = xslt_create ();
|
|
|
|
// set error handler
|
|
xslt_set_error_handler ($xh, array (&$this, 'xslt_error_handler'));
|
|
|
|
// process the schema
|
|
$result = xslt_process ($xh, 'arg:/_xml', 'arg:/_xsl', NULL, $arguments);
|
|
|
|
xslt_free ($xh);
|
|
}
|
|
|
|
if( is_string ($newFile) AND ( $fp = fopen( $newFile, 'w' ) ) ) {
|
|
fwrite ($fp, $result);
|
|
fclose ($fp);
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Converts an XML schema file to the specified DTD version.
|
|
*
|
|
* Call this method to convert the specified XML schema file to a different AXMLS
|
|
* DTD version. For instance, to convert a schema created for an pre-1.0 version for
|
|
* AXMLS (DTD version 0.1) to a newer version of the DTD (e.g. 0.2). If no DTD version
|
|
* parameter is specified, the schema will be converted to the current DTD version.
|
|
* If the newFile parameter is provided, the converted schema will be written to the specified
|
|
* file.
|
|
* @see ConvertSchemaString()
|
|
*
|
|
* @param string $filename Name of XML schema file that will be converted.
|
|
* @param string $newVersion DTD version to convert to.
|
|
* @param string $newFile File name of (converted) output file.
|
|
* @return string Converted XML schema or FALSE if an error occurs.
|
|
*/
|
|
function ConvertSchemaFile( $filename, $newVersion = NULL, $newFile = NULL ) {
|
|
|
|
// grab current version
|
|
if( !( $version = $this->SchemaFileVersion( $filename ) ) ) {
|
|
return FALSE;
|
|
}
|
|
|
|
if( !isset ($newVersion) ) {
|
|
$newVersion = $this->schemaVersion;
|
|
}
|
|
|
|
if( $version == $newVersion ) {
|
|
$result = file_get_contents( $filename );
|
|
|
|
// remove unicode BOM if present
|
|
if( substr( $result, 0, 3 ) == sprintf( '%c%c%c', 239, 187, 191 ) ) {
|
|
$result = substr( $result, 3 );
|
|
}
|
|
} else {
|
|
// Fail if XSLT extension is not available
|
|
if( ! function_exists( 'xslt_create' ) ) {
|
|
return FALSE;
|
|
}
|
|
|
|
$xsl_file = dirname( __FILE__ ) . '/xsl/convert-' . $version . '-' . $newVersion . '.xsl';
|
|
|
|
// look for xsl
|
|
if( !is_readable( $xsl_file ) ) {
|
|
return FALSE;
|
|
}
|
|
|
|
$arguments = array (
|
|
'/_xml' => file_get_contents ($filename),
|
|
'/_xsl' => file_get_contents ($xsl_file)
|
|
);
|
|
|
|
// create an XSLT processor
|
|
$xh = xslt_create ();
|
|
|
|
// set error handler
|
|
xslt_set_error_handler ($xh, array (&$this, 'xslt_error_handler'));
|
|
|
|
// process the schema
|
|
$result = xslt_process ($xh, 'arg:/_xml', 'arg:/_xsl', NULL, $arguments);
|
|
|
|
xslt_free ($xh);
|
|
}
|
|
|
|
if( is_string ($newFile) AND ( $fp = fopen( $newFile, 'w' ) ) ) {
|
|
fwrite ($fp, $result);
|
|
fclose ($fp);
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Processes XSLT transformation errors
|
|
*
|
|
* @param object $parser XML parser object
|
|
* @param integer $errno Error number
|
|
* @param integer $level Error level
|
|
* @param array $fields Error information fields
|
|
*
|
|
* @access private
|
|
*/
|
|
function xslt_error_handler( $parser, $errno, $level, $fields ) {
|
|
if( is_array( $fields ) ) {
|
|
$msg = array(
|
|
'Message Type' => ucfirst( $fields['msgtype'] ),
|
|
'Message Code' => $fields['code'],
|
|
'Message' => $fields['msg'],
|
|
'Error Number' => $errno,
|
|
'Level' => $level
|
|
);
|
|
|
|
switch( $fields['URI'] ) {
|
|
case 'arg:/_xml':
|
|
$msg['Input'] = 'XML';
|
|
break;
|
|
case 'arg:/_xsl':
|
|
$msg['Input'] = 'XSL';
|
|
break;
|
|
default:
|
|
$msg['Input'] = $fields['URI'];
|
|
}
|
|
|
|
$msg['Line'] = $fields['line'];
|
|
} else {
|
|
$msg = array(
|
|
'Message Type' => 'Error',
|
|
'Error Number' => $errno,
|
|
'Level' => $level,
|
|
'Fields' => var_export( $fields, TRUE )
|
|
);
|
|
}
|
|
|
|
$error_details = $msg['Message Type'] . ' in XSLT Transformation' . "\n"
|
|
. '<table>' . "\n";
|
|
|
|
foreach( $msg as $label => $details ) {
|
|
$error_details .= '<tr><td><b>' . $label . ': </b></td><td>' . htmlentities( $details ) . '</td></tr>' . "\n";
|
|
}
|
|
|
|
$error_details .= '</table>';
|
|
|
|
trigger_error( $error_details, E_USER_ERROR );
|
|
}
|
|
|
|
/**
|
|
* Returns the AXMLS Schema Version of the requested XML schema file.
|
|
*
|
|
* Call this method to obtain the AXMLS DTD version of the requested XML schema file.
|
|
* @see SchemaStringVersion()
|
|
*
|
|
* @param string $filename AXMLS schema file
|
|
* @return string Schema version number or FALSE on error
|
|
*/
|
|
function SchemaFileVersion( $filename ) {
|
|
// Open the file
|
|
if( !($fp = fopen( $filename, 'r' )) ) {
|
|
// die( 'Unable to open file' );
|
|
return FALSE;
|
|
}
|
|
|
|
// Process the file
|
|
while( $data = fread( $fp, 4096 ) ) {
|
|
if( preg_match( $this->versionRegex, $data, $matches ) ) {
|
|
return !empty( $matches[2] ) ? $matches[2] : XMLS_DEFAULT_SCHEMA_VERSION;
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* Returns the AXMLS Schema Version of the provided XML schema string.
|
|
*
|
|
* Call this method to obtain the AXMLS DTD version of the provided XML schema string.
|
|
* @see SchemaFileVersion()
|
|
*
|
|
* @param string $xmlstring XML schema string
|
|
* @return string Schema version number or FALSE on error
|
|
*/
|
|
function SchemaStringVersion( $xmlstring ) {
|
|
if( !is_string( $xmlstring ) OR empty( $xmlstring ) ) {
|
|
return FALSE;
|
|
}
|
|
|
|
if( preg_match( $this->versionRegex, $xmlstring, $matches ) ) {
|
|
return !empty( $matches[2] ) ? $matches[2] : XMLS_DEFAULT_SCHEMA_VERSION;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* Extracts an XML schema from an existing database.
|
|
*
|
|
* Call this method to create an XML schema string from an existing database.
|
|
* If the data parameter is set to TRUE, AXMLS will include the data from the database
|
|
* in the schema.
|
|
*
|
|
* @param boolean $data Include data in schema dump
|
|
* @return string Generated XML schema
|
|
*/
|
|
function ExtractSchema( $data = FALSE ) {
|
|
$old_mode = $this->db->SetFetchMode( ADODB_FETCH_NUM );
|
|
|
|
$schema = '<?xml version="1.0"?>' . "\n"
|
|
. '<schema version="' . $this->schemaVersion . '">' . "\n";
|
|
|
|
if( is_array( $tables = $this->db->MetaTables( 'TABLES' ) ) ) {
|
|
foreach( $tables as $table ) {
|
|
$schema .= ' <table name="' . $table . '">' . "\n";
|
|
|
|
// grab details from database
|
|
$rs = $this->db->Execute( 'SELECT * FROM ' . $table . ' WHERE -1' );
|
|
$fields = $this->db->MetaColumns( $table );
|
|
$indexes = $this->db->MetaIndexes( $table );
|
|
|
|
if( is_array( $fields ) ) {
|
|
foreach( $fields as $details ) {
|
|
$extra = '';
|
|
$content = array();
|
|
|
|
if( $details->max_length > 0 ) {
|
|
$extra .= ' size="' . $details->max_length . '"';
|
|
}
|
|
|
|
if( $details->primary_key ) {
|
|
$content[] = '<PRIMARY/>';
|
|
} elseif( $details->not_null ) {
|
|
$content[] = '<NOTNULL/>';
|
|
}
|
|
|
|
if( $details->has_default ) {
|
|
$content[] = '<DEFAULT value="' . $details->default_value . '"/>';
|
|
}
|
|
|
|
if( $details->auto_increment ) {
|
|
$content[] = '<AUTOINCREMENT/>';
|
|
}
|
|
|
|
// this stops the creation of 'R' columns,
|
|
// AUTOINCREMENT is used to create auto columns
|
|
$details->primary_key = 0;
|
|
$type = $rs->MetaType( $details );
|
|
|
|
$schema .= ' <field name="' . $details->name . '" type="' . $type . '"' . $extra . '>';
|
|
|
|
if( !empty( $content ) ) {
|
|
$schema .= "\n " . implode( "\n ", $content ) . "\n ";
|
|
}
|
|
|
|
$schema .= '</field>' . "\n";
|
|
}
|
|
}
|
|
|
|
if( is_array( $indexes ) ) {
|
|
foreach( $indexes as $index => $details ) {
|
|
$schema .= ' <index name="' . $index . '">' . "\n";
|
|
|
|
if( $details['unique'] ) {
|
|
$schema .= ' <UNIQUE/>' . "\n";
|
|
}
|
|
|
|
foreach( $details['columns'] as $column ) {
|
|
$schema .= ' <col>' . $column . '</col>' . "\n";
|
|
}
|
|
|
|
$schema .= ' </index>' . "\n";
|
|
}
|
|
}
|
|
|
|
if( $data ) {
|
|
$rs = $this->db->Execute( 'SELECT * FROM ' . $table );
|
|
|
|
if( is_object( $rs ) ) {
|
|
$schema .= ' <data>' . "\n";
|
|
|
|
while( $row = $rs->FetchRow() ) {
|
|
$schema .= ' <row><f>' . implode( '</f><f>', $row ) . '</f></row>' . "\n";
|
|
}
|
|
|
|
$schema .= ' </data>' . "\n";
|
|
}
|
|
}
|
|
|
|
$schema .= ' </table>' . "\n";
|
|
}
|
|
}
|
|
|
|
$this->db->SetFetchMode( $old_mode );
|
|
|
|
$schema .= '</schema>';
|
|
return $schema;
|
|
}
|
|
|
|
/**
|
|
* Sets a prefix for database objects
|
|
*
|
|
* Call this method to set a standard prefix that will be prepended to all database tables
|
|
* and indices when the schema is parsed. Calling setPrefix with no arguments clears the prefix.
|
|
*
|
|
* @param string $prefix Prefix that will be prepended.
|
|
* @param boolean $underscore If TRUE, automatically append an underscore character to the prefix.
|
|
* @return boolean TRUE if successful, else FALSE
|
|
*/
|
|
function SetPrefix( $prefix = '', $underscore = TRUE ) {
|
|
switch( TRUE ) {
|
|
// clear prefix
|
|
case empty( $prefix ):
|
|
logMsg( 'Cleared prefix' );
|
|
$this->objectPrefix = '';
|
|
return TRUE;
|
|
// prefix too long
|
|
case strlen( $prefix ) > XMLS_PREFIX_MAXLEN:
|
|
// prefix contains invalid characters
|
|
case !preg_match( '/^[a-z][a-z0-9]+$/i', $prefix ):
|
|
logMsg( 'Invalid prefix: ' . $prefix );
|
|
return FALSE;
|
|
}
|
|
|
|
if( $underscore AND substr( $prefix, -1 ) != '_' ) {
|
|
$prefix .= '_';
|
|
}
|
|
|
|
// prefix valid
|
|
logMsg( 'Set prefix: ' . $prefix );
|
|
$this->objectPrefix = $prefix;
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* Returns an object name with the current prefix prepended.
|
|
*
|
|
* @param string $name Name
|
|
* @return string Prefixed name
|
|
*
|
|
* @access private
|
|
*/
|
|
function prefix( $name = '' ) {
|
|
// if prefix is set
|
|
if( !empty( $this->objectPrefix ) ) {
|
|
// Prepend the object prefix to the table name
|
|
// prepend after quote if used
|
|
return preg_replace( '/^(`?)(.+)$/', '$1' . $this->objectPrefix . '$2', $name );
|
|
}
|
|
|
|
// No prefix set. Use name provided.
|
|
return $name;
|
|
}
|
|
|
|
/**
|
|
* Checks if element references a specific platform
|
|
*
|
|
* @param string $platform Requested platform
|
|
* @returns boolean TRUE if platform check succeeds
|
|
*
|
|
* @access private
|
|
*/
|
|
function supportedPlatform( $platform = NULL ) {
|
|
$regex = '/^(\w*\|)*' . $this->db->databaseType . '(\|\w*)*$/';
|
|
|
|
if( !isset( $platform ) OR preg_match( $regex, $platform ) ) {
|
|
logMsg( "Platform $platform is supported" );
|
|
return TRUE;
|
|
} else {
|
|
logMsg( "Platform $platform is NOT supported" );
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Clears the array of generated SQL.
|
|
*
|
|
* @access private
|
|
*/
|
|
function clearSQL() {
|
|
$this->sqlArray = array();
|
|
}
|
|
|
|
/**
|
|
* Adds SQL into the SQL array.
|
|
*
|
|
* @param mixed $sql SQL to Add
|
|
* @return boolean TRUE if successful, else FALSE.
|
|
*
|
|
* @access private
|
|
*/
|
|
function addSQL( $sql = NULL ) {
|
|
if( is_array( $sql ) ) {
|
|
foreach( $sql as $line ) {
|
|
$this->addSQL( $line );
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
if( is_string( $sql ) ) {
|
|
$this->sqlArray[] = $sql;
|
|
|
|
// if executeInline is enabled, and either no errors have occurred or continueOnError is enabled, execute SQL.
|
|
if( $this->ExecuteInline() && ( $this->success == 2 || $this->ContinueOnError() ) ) {
|
|
$saved = $this->db->debug;
|
|
$this->db->debug = $this->debug;
|
|
$ok = $this->db->Execute( $sql );
|
|
$this->db->debug = $saved;
|
|
|
|
if( !$ok ) {
|
|
if( $this->debug ) {
|
|
ADOConnection::outp( $this->db->ErrorMsg() );
|
|
}
|
|
|
|
$this->success = 1;
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* Gets the SQL array in the specified format.
|
|
*
|
|
* @param string $format Format
|
|
* @return mixed SQL
|
|
*
|
|
* @access private
|
|
*/
|
|
function getSQL( $format = NULL, $sqlArray = NULL ) {
|
|
if( !is_array( $sqlArray ) ) {
|
|
$sqlArray = $this->sqlArray;
|
|
}
|
|
|
|
if( !is_array( $sqlArray ) ) {
|
|
return FALSE;
|
|
}
|
|
|
|
switch( strtolower( $format ) ) {
|
|
case 'string':
|
|
case 'text':
|
|
return !empty( $sqlArray ) ? implode( ";\n\n", $sqlArray ) . ';' : '';
|
|
case'html':
|
|
return !empty( $sqlArray ) ? nl2br( htmlentities( implode( ";\n\n", $sqlArray ) . ';' ) ) : '';
|
|
}
|
|
|
|
return $this->sqlArray;
|
|
}
|
|
|
|
/**
|
|
* Destroys an adoSchema object.
|
|
*
|
|
* Call this method to clean up after an adoSchema object that is no longer in use.
|
|
* @deprecated adoSchema now cleans up automatically.
|
|
*/
|
|
function Destroy() {
|
|
set_magic_quotes_runtime( $this->mgq );
|
|
unset( $this );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Message logging function
|
|
*
|
|
* @access private
|
|
*/
|
|
function logMsg( $msg, $title = NULL ) {
|
|
if( XMLS_DEBUG ) {
|
|
echo '<pre>';
|
|
|
|
if( isset( $title ) ) {
|
|
echo '<h3>' . htmlentities( $title ) . '</h3>';
|
|
}
|
|
|
|
if( is_object( $this ) ) {
|
|
echo '[' . get_class( $this ) . '] ';
|
|
}
|
|
|
|
print_r( $msg );
|
|
|
|
echo '</pre>';
|
|
}
|
|
}
|
|
?>
|