/usr/share/php/MDB2/Schema/Validate.php is in php-mdb2-schema 0.8.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 | <?php
/**
* PHP versions 4 and 5
*
* Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox,
* Stig. S. Bakken, Lukas Smith, Igor Feghali
* All rights reserved.
*
* MDB2_Schema enables users to maintain RDBMS independant schema files
* in XML that can be used to manipulate both data and database schemas
* This LICENSE is in the BSD license style.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,
* Lukas Smith, Igor Feghali nor the names of his contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Author: Christian Dickmann <dickmann@php.net>
* Author: Igor Feghali <ifeghali@php.net>
*
* @category Database
* @package MDB2_Schema
* @author Christian Dickmann <dickmann@php.net>
* @author Igor Feghali <ifeghali@php.net>
* @license BSD http://www.opensource.org/licenses/bsd-license.php
* @version CVS: $Id: Validate.php,v 1.42 2008/11/30 03:34:00 clockwerx Exp $
* @link http://pear.php.net/packages/MDB2_Schema
*/
/**
* Validates an XML schema file
*
* @category Database
* @package MDB2_Schema
* @author Igor Feghali <ifeghali@php.net>
* @license BSD http://www.opensource.org/licenses/bsd-license.php
* @link http://pear.php.net/packages/MDB2_Schema
*/
class MDB2_Schema_Validate
{
// {{{ properties
var $fail_on_invalid_names = true;
var $valid_types = array();
var $force_defaults = true;
// }}}
// {{{ constructor
function __construct($fail_on_invalid_names = true, $valid_types = array(), $force_defaults = true)
{
if (empty($GLOBALS['_MDB2_Schema_Reserved'])) {
$GLOBALS['_MDB2_Schema_Reserved'] = array();
}
if (is_array($fail_on_invalid_names)) {
$this->fail_on_invalid_names = array_intersect($fail_on_invalid_names,
array_keys($GLOBALS['_MDB2_Schema_Reserved']));
} elseif ($fail_on_invalid_names === true) {
$this->fail_on_invalid_names = array_keys($GLOBALS['_MDB2_Schema_Reserved']);
} else {
$this->fail_on_invalid_names = array();
}
$this->valid_types = $valid_types;
$this->force_defaults = $force_defaults;
}
function MDB2_Schema_Validate($fail_on_invalid_names = true, $valid_types = array(), $force_defaults = true)
{
$this->__construct($fail_on_invalid_names, $valid_types, $force_defaults);
}
// }}}
// {{{ raiseError()
function &raiseError($ecode, $msg = null)
{
$error =& MDB2_Schema::raiseError($ecode, null, null, $msg);
return $error;
}
// }}}
// {{{ isBoolean()
/**
* Verifies if a given value can be considered boolean. If yes, set value
* to true or false according to its actual contents and return true. If
* not, keep its contents untouched and return false.
*
* @param mixed &$value value to be checked
*
* @return bool
*
* @access public
* @static
*/
function isBoolean(&$value)
{
if (is_bool($value)) {
return true;
}
if ($value === 0 || $value === 1 || $value === '') {
$value = (bool)$value;
return true;
}
if (!is_string($value)) {
return false;
}
switch ($value) {
case '0':
case 'N':
case 'n':
case 'no':
case 'false':
$value = false;
break;
case '1':
case 'Y':
case 'y':
case 'yes':
case 'true':
$value = true;
break;
default:
return false;
}
return true;
}
// }}}
// {{{ validateTable()
/* Definition */
/**
* Checks whether the definition of a parsed table is valid. Modify table
* definition when necessary.
*
* @param array $tables multi dimensional array that contains the
* tables of current database.
* @param array &$table multi dimensional array that contains the
* structure and optional data of the table.
* @param string $table_name name of the parsed table
*
* @return bool|error object
*
* @access public
*/
function validateTable($tables, &$table, $table_name)
{
/* Have we got a name? */
if (!$table_name) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'a table has to have a name');
}
/* Table name duplicated? */
if (is_array($tables) && isset($tables[$table_name])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'table "'.$table_name.'" already exists');
}
/* Table name reserved? */
if (is_array($this->fail_on_invalid_names)) {
$name = strtoupper($table_name);
foreach ($this->fail_on_invalid_names as $rdbms) {
if (in_array($name, $GLOBALS['_MDB2_Schema_Reserved'][$rdbms])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'table name "'.$table_name.'" is a reserved word in: '.$rdbms);
}
}
}
/* Was */
if (empty($table['was'])) {
$table['was'] = $table_name;
}
/* Have we got fields? */
if (empty($table['fields']) || !is_array($table['fields'])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'tables need one or more fields');
}
/* Autoincrement */
$autoinc = $primary = false;
foreach ($table['fields'] as $field_name => $field) {
if (!empty($field['autoincrement'])) {
if ($autoinc) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'there was already an autoincrement field in "'.$table_name.'" before "'.$field_name.'"');
}
$autoinc = $field_name;
}
}
/*
* Checking Indexes
* this have to be done here otherwise we can't
* guarantee that all table fields were already
* defined in the moment we are parsing indexes
*/
if (!empty($table['indexes']) && is_array($table['indexes'])) {
foreach ($table['indexes'] as $name => $index) {
$skip_index = false;
if (!empty($index['primary'])) {
/*
* Lets see if we should skip this index since there is
* already an auto increment on this field this implying
* a primary key index.
*/
if (count($index['fields']) == '1'
&& $autoinc
&& array_key_exists($autoinc, $index['fields'])) {
$skip_index = true;
} elseif ($autoinc || $primary) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'there was already an primary index or autoincrement field in "'.$table_name.'" before "'.$name.'"');
} else {
$primary = true;
}
}
if (!$skip_index && is_array($index['fields'])) {
foreach ($index['fields'] as $field_name => $field) {
if (!isset($table['fields'][$field_name])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'index field "'.$field_name.'" does not exist');
}
if (!empty($index['primary'])
&& !$table['fields'][$field_name]['notnull']
) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'all primary key fields must be defined notnull in "'.$table_name.'"');
}
}
} else {
unset($table['indexes'][$name]);
}
}
}
return MDB2_OK;
}
// }}}
// {{{ validateField()
/**
* Checks whether the definition of a parsed field is valid. Modify field
* definition when necessary.
*
* @param array $fields multi dimensional array that contains the
* fields of current table.
* @param array &$field multi dimensional array that contains the
* structure of the parsed field.
* @param string $field_name name of the parsed field
*
* @return bool|error object
*
* @access public
*/
function validateField($fields, &$field, $field_name)
{
/* Have we got a name? */
if (!$field_name) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'field name missing');
}
/* Field name duplicated? */
if (is_array($fields) && isset($fields[$field_name])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'field "'.$field_name.'" already exists');
}
/* Field name reserverd? */
if (is_array($this->fail_on_invalid_names)) {
$name = strtoupper($field_name);
foreach ($this->fail_on_invalid_names as $rdbms) {
if (in_array($name, $GLOBALS['_MDB2_Schema_Reserved'][$rdbms])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'field name "'.$field_name.'" is a reserved word in: '.$rdbms);
}
}
}
/* Type check */
if (empty($field['type'])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'no field type specified');
}
if (!empty($this->valid_types) && !array_key_exists($field['type'], $this->valid_types)) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'no valid field type ("'.$field['type'].'") specified');
}
/* Unsigned */
if (array_key_exists('unsigned', $field) && !$this->isBoolean($field['unsigned'])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'unsigned has to be a boolean value');
}
/* Fixed */
if (array_key_exists('fixed', $field) && !$this->isBoolean($field['fixed'])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'fixed has to be a boolean value');
}
/* Length */
if (array_key_exists('length', $field) && $field['length'] <= 0) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'length has to be an integer greater 0');
}
// if it's a DECIMAL datatype, check if a 'scale' value is provided:
// <length>8,4</length> should be translated to DECIMAL(8,4)
if (is_float($this->valid_types[$field['type']])
&& !empty($field['length'])
&& strpos($field['length'], ',') !== false
) {
list($field['length'], $field['scale']) = explode(',', $field['length']);
}
/* Was */
if (empty($field['was'])) {
$field['was'] = $field_name;
}
/* Notnull */
if (empty($field['notnull'])) {
$field['notnull'] = false;
}
if (!$this->isBoolean($field['notnull'])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'field "notnull" has to be a boolean value');
}
/* Default */
if ($this->force_defaults
&& !array_key_exists('default', $field)
&& $field['type'] != 'clob' && $field['type'] != 'blob'
) {
$field['default'] = $this->valid_types[$field['type']];
}
if (array_key_exists('default', $field)) {
if ($field['type'] == 'clob' || $field['type'] == 'blob') {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'"'.$field['type'].'"-fields are not allowed to have a default value');
}
if ($field['default'] === '' && !$field['notnull']) {
$field['default'] = null;
}
}
if (isset($field['default'])
&& PEAR::isError($result = $this->validateDataFieldValue($field, $field['default'], $field_name))
) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'default value of "'.$field_name.'" is incorrect: '.$result->getUserinfo());
}
/* Autoincrement */
if (!empty($field['autoincrement'])) {
if (!$field['notnull']) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'all autoincrement fields must be defined notnull');
}
if (empty($field['default'])) {
$field['default'] = '0';
} elseif ($field['default'] !== '0' && $field['default'] !== 0) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'all autoincrement fields must be defined default "0"');
}
}
return MDB2_OK;
}
// }}}
// {{{ validateIndex()
/**
* Checks whether a parsed index is valid. Modify index definition when
* necessary.
*
* @param array $table_indexes multi dimensional array that contains the
* indexes of current table.
* @param array &$index multi dimensional array that contains the
* structure of the parsed index.
* @param string $index_name name of the parsed index
*
* @return bool|error object
*
* @access public
*/
function validateIndex($table_indexes, &$index, $index_name)
{
if (!$index_name) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'an index has to have a name');
}
if (is_array($table_indexes) && isset($table_indexes[$index_name])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'index "'.$index_name.'" already exists');
}
if (array_key_exists('unique', $index) && !$this->isBoolean($index['unique'])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'field "unique" has to be a boolean value');
}
if (array_key_exists('primary', $index) && !$this->isBoolean($index['primary'])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'field "primary" has to be a boolean value');
}
/* Have we got fields? */
if (empty($index['fields']) || !is_array($index['fields'])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'indexes need one or more fields');
}
if (empty($index['was'])) {
$index['was'] = $index_name;
}
return MDB2_OK;
}
// }}}
// {{{ validateIndexField()
/**
* Checks whether a parsed index-field is valid. Modify its definition when
* necessary.
*
* @param array $index_fields multi dimensional array that contains the
* fields of current index.
* @param array &$field multi dimensional array that contains the
* structure of the parsed index-field.
* @param string $field_name name of the parsed index-field
*
* @return bool|error object
*
* @access public
*/
function validateIndexField($index_fields, &$field, $field_name)
{
if (is_array($index_fields) && isset($index_fields[$field_name])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'index field "'.$field_name.'" already exists');
}
if (!$field_name) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'the index-field-name is required');
}
if (empty($field['sorting'])) {
$field['sorting'] = 'ascending';
} elseif ($field['sorting'] !== 'ascending' && $field['sorting'] !== 'descending') {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'sorting type unknown');
}
return MDB2_OK;
}
// }}}
// {{{ validateConstraint()
/**
* Checks whether a parsed foreign key is valid. Modify its definition when
* necessary.
*
* @param array $table_constraints multi dimensional array that contains the
* constraints of current table.
* @param array &$constraint multi dimensional array that contains the
* structure of the parsed foreign key.
* @param string $constraint_name name of the parsed foreign key
*
* @return bool|error object
*
* @access public
*/
function validateConstraint($table_constraints, &$constraint, $constraint_name)
{
if (!$constraint_name) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'a foreign key has to have a name');
}
if (is_array($table_constraints) && isset($table_constraints[$constraint_name])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'foreign key "'.$constraint_name.'" already exists');
}
/* Have we got fields? */
if (empty($constraint['fields']) || !is_array($constraint['fields'])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'foreign key "'.$constraint_name.'" need one or more fields');
}
/* Have we got referenced fields? */
if (empty($constraint['references']) || !is_array($constraint['references'])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'foreign key "'.$constraint_name.'" need to reference one or more fields');
}
/* Have we got referenced table? */
if (empty($constraint['references']['table'])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'foreign key "'.$constraint_name.'" need to reference a table');
}
if (empty($constraint['was'])) {
$constraint['was'] = $constraint_name;
}
return MDB2_OK;
}
// }}}
// {{{ validateConstraintField()
/**
* Checks whether a foreign-field is valid.
*
* @param array $constraint_fields multi dimensional array that contains the
* fields of current foreign key.
* @param string $field_name name of the parsed foreign-field
*
* @return bool|error object
*
* @access public
*/
function validateConstraintField($constraint_fields, $field_name)
{
if (!$field_name) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'empty value for foreign-field');
}
if (is_array($constraint_fields) && isset($constraint_fields[$field_name])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'foreign field "'.$field_name.'" already exists');
}
return MDB2_OK;
}
// }}}
// {{{ validateConstraintReferencedField()
/**
* Checks whether a foreign-referenced field is valid.
*
* @param array $referenced_fields multi dimensional array that contains the
* fields of current foreign key.
* @param string $field_name name of the parsed foreign-field
*
* @return bool|error object
*
* @access public
*/
function validateConstraintReferencedField($referenced_fields, $field_name)
{
if (!$field_name) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'empty value for referenced foreign-field');
}
if (is_array($referenced_fields) && isset($referenced_fields[$field_name])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'foreign field "'.$field_name.'" already referenced');
}
return MDB2_OK;
}
// }}}
// {{{ validateSequence()
/**
* Checks whether the definition of a parsed sequence is valid. Modify
* sequence definition when necessary.
*
* @param array $sequences multi dimensional array that contains the
* sequences of current database.
* @param array &$sequence multi dimensional array that contains the
* structure of the parsed sequence.
* @param string $sequence_name name of the parsed sequence
*
* @return bool|error object
*
* @access public
*/
function validateSequence($sequences, &$sequence, $sequence_name)
{
if (!$sequence_name) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'a sequence has to have a name');
}
if (is_array($sequences) && isset($sequences[$sequence_name])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'sequence "'.$sequence_name.'" already exists');
}
if (is_array($this->fail_on_invalid_names)) {
$name = strtoupper($sequence_name);
foreach ($this->fail_on_invalid_names as $rdbms) {
if (in_array($name, $GLOBALS['_MDB2_Schema_Reserved'][$rdbms])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'sequence name "'.$sequence_name.'" is a reserved word in: '.$rdbms);
}
}
}
if (empty($sequence['was'])) {
$sequence['was'] = $sequence_name;
}
if (!empty($sequence['on'])
&& (empty($sequence['on']['table']) || empty($sequence['on']['field']))
) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'sequence "'.$sequence_name.'" on a table was not properly defined');
}
return MDB2_OK;
}
// }}}
// {{{ validateDatabase()
/**
* Checks whether a parsed database is valid. Modify its structure and
* data when necessary.
*
* @param array &$database multi dimensional array that contains the
* structure and optional data of the database.
*
* @return bool|error object
*
* @access public
*/
function validateDatabase(&$database)
{
/* Have we got a name? */
if (!is_array($database) || !isset($database['name']) || !$database['name']) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'a database has to have a name');
}
/* Database name reserved? */
if (is_array($this->fail_on_invalid_names)) {
$name = strtoupper($database['name']);
foreach ($this->fail_on_invalid_names as $rdbms) {
if (in_array($name, $GLOBALS['_MDB2_Schema_Reserved'][$rdbms])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'database name "'.$database['name'].'" is a reserved word in: '.$rdbms);
}
}
}
/* Create */
if (isset($database['create'])
&& !$this->isBoolean($database['create'])
) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'field "create" has to be a boolean value');
}
/* Overwrite */
if (isset($database['overwrite'])
&& $database['overwrite'] !== ''
&& !$this->isBoolean($database['overwrite'])
) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'field "overwrite" has to be a boolean value');
}
/*
* This have to be done here otherwise we can't guarantee that all
* tables were already defined in the moment we are parsing constraints
*/
if (isset($database['tables'])) {
foreach ($database['tables'] as $table_name => $table) {
if (!empty($table['constraints'])) {
foreach ($table['constraints'] as $constraint_name => $constraint) {
$referenced_table_name = $constraint['references']['table'];
if (!isset($database['tables'][$referenced_table_name])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'referenced table "'.$referenced_table_name.'" of foreign key "'.$constraint_name.'" of table "'.$table_name.'" does not exist');
}
if (empty($constraint['references']['fields'])) {
$referenced_table = $database['tables'][$referenced_table_name];
$primary = false;
if (!empty($referenced_table['indexes'])) {
foreach ($referenced_table['indexes'] as $index_name => $index) {
if (array_key_exists('primary', $index)
&& $index['primary']
) {
$primary = array();
foreach ($index['fields'] as $field_name => $field) {
$primary[$field_name] = '';
}
break;
}
}
}
if (!$primary) {
foreach ($referenced_table['fields'] as $field_name => $field) {
if (array_key_exists('autoincrement', $field)
&& $field['autoincrement']
) {
$primary = array( $field_name => '' );
break;
}
}
}
if (!$primary) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'referenced table "'.$referenced_table_name.'" has no primary key and no referenced field was specified for foreign key "'.$constraint_name.'" of table "'.$table_name.'"');
}
$constraint['references']['fields'] = $primary;
}
/* the same number of referencing and referenced fields ? */
if (count($constraint['fields']) != count($constraint['references']['fields'])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'The number of fields in the referenced key must match those of the foreign key "'.$constraint_name.'"');
}
$database['tables'][$table_name]['constraints'][$constraint_name]['references']['fields'] = $constraint['references']['fields'];
}
}
}
}
/*
* This have to be done here otherwise we can't guarantee that all
* tables were already defined in the moment we are parsing sequences
*/
if (isset($database['sequences'])) {
foreach ($database['sequences'] as $seq_name => $seq) {
if (!empty($seq['on'])
&& empty($database['tables'][$seq['on']['table']]['fields'][$seq['on']['field']])
) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'sequence "'.$seq_name.'" was assigned on unexisting field/table');
}
}
}
return MDB2_OK;
}
// }}}
// {{{ validateDataField()
/* Data Manipulation */
/**
* Checks whether a parsed DML-field is valid. Modify its structure when
* necessary. This is called when validating INSERT and
* UPDATE.
*
* @param array $table_fields multi dimensional array that contains the
* definition for current table's fields.
* @param array $instruction_fields multi dimensional array that contains the
* parsed fields of the current DML instruction.
* @param string &$field array that contains the parsed instruction field
*
* @return bool|error object
*
* @access public
*/
function validateDataField($table_fields, $instruction_fields, &$field)
{
if (!$field['name']) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'field-name has to be specified');
}
if (is_array($instruction_fields) && isset($instruction_fields[$field['name']])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'field "'.$field['name'].'" already initialized');
}
if (is_array($table_fields) && !isset($table_fields[$field['name']])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'"'.$field['name'].'" is not defined');
}
if (!isset($field['group']['type'])) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'"'.$field['name'].'" has no initial value');
}
if (isset($field['group']['data'])
&& $field['group']['type'] == 'value'
&& $field['group']['data'] !== ''
&& PEAR::isError($result = $this->validateDataFieldValue($table_fields[$field['name']], $field['group']['data'], $field['name']))
) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'value of "'.$field['name'].'" is incorrect: '.$result->getUserinfo());
}
return MDB2_OK;
}
// }}}
// {{{ validateDataFieldValue()
/**
* Checks whether a given value is compatible with a table field. This is
* done when parsing a field for a INSERT or UPDATE instruction.
*
* @param array $field_def multi dimensional array that contains the
* definition for current table's fields.
* @param string &$field_value value to fill the parsed field
* @param string $field_name name of the parsed field
*
* @return bool|error object
*
* @access public
* @see MDB2_Schema_Validate::validateInsertField()
*/
function validateDataFieldValue($field_def, &$field_value, $field_name)
{
switch ($field_def['type']) {
case 'text':
case 'clob':
if (!empty($field_def['length']) && strlen($field_value) > $field_def['length']) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'"'.$field_value.'" is larger than "'.$field_def['length'].'"');
}
break;
case 'blob':
$field_value = pack('H*', $field_value);
if (!empty($field_def['length']) && strlen($field_value) > $field_def['length']) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'"'.$field_value.'" is larger than "'.$field_def['type'].'"');
}
break;
case 'integer':
if ($field_value != ((int)$field_value)) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'"'.$field_value.'" is not of type "'.$field_def['type'].'"');
}
//$field_value = (int)$field_value;
if (!empty($field_def['unsigned']) && $field_def['unsigned'] && $field_value < 0) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'"'.$field_value.'" signed instead of unsigned');
}
break;
case 'boolean':
if (!$this->isBoolean($field_value)) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'"'.$field_value.'" is not of type "'.$field_def['type'].'"');
}
break;
case 'date':
if (!preg_match('/([0-9]{4})-([0-9]{1,2})-([0-9]{1,2})/', $field_value)
&& $field_value !== 'CURRENT_DATE'
) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'"'.$field_value.'" is not of type "'.$field_def['type'].'"');
}
break;
case 'timestamp':
if (!preg_match('/([0-9]{4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{2}):([0-9]{2}):([0-9]{2})/', $field_value)
&& strcasecmp($field_value, 'now()') != 0
&& $field_value !== 'CURRENT_TIMESTAMP'
) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'"'.$field_value.'" is not of type "'.$field_def['type'].'"');
}
break;
case 'time':
if (!preg_match("/([0-9]{2}):([0-9]{2}):([0-9]{2})/", $field_value)
&& $field_value !== 'CURRENT_TIME'
) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'"'.$field_value.'" is not of type "'.$field_def['type'].'"');
}
break;
case 'float':
case 'double':
if ($field_value != (double)$field_value) {
return $this->raiseError(MDB2_SCHEMA_ERROR_VALIDATE,
'"'.$field_value.'" is not of type "'.$field_def['type'].'"');
}
//$field_value = (double)$field_value;
break;
}
return MDB2_OK;
}
}
?>
|