<?php
-
-/*
- * Created on Sep 4, 2006
- *
+/**
* API for MediaWiki 1.8+
*
- * Copyright (C) 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
+ * Created on Sep 4, 2006
+ *
+ * Copyright © 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
*/
-if (!defined('MEDIAWIKI')) {
+if ( !defined( 'MEDIAWIKI' ) ) {
// Eclipse helper - will be ignored in production
- require_once ('ApiBase.php');
+ require_once( 'ApiBase.php' );
}
/**
*/
class ApiResult extends ApiBase {
- private $mData, $mIsRawMode;
+ private $mData, $mIsRawMode, $mSize, $mCheckingSize;
/**
- * Constructor
- */
- public function __construct($main) {
- parent :: __construct($main, 'result');
+ * Constructor
+ * @param $main ApiMain object
+ */
+ public function __construct( $main ) {
+ parent::__construct( $main, 'result' );
$this->mIsRawMode = false;
+ $this->mCheckingSize = true;
$this->reset();
}
* Clear the current result data.
*/
public function reset() {
- $this->mData = array ();
+ $this->mData = array();
+ $this->mSize = 0;
}
/**
}
/**
- * Returns true if the result is being created for the formatter that requested raw data.
+ * Returns true whether the formatter requested raw data.
+ * @return bool
*/
public function getIsRawMode() {
return $this->mIsRawMode;
}
/**
- * Get result's internal data array
+ * Get the result's internal data array (read-only)
+ * @return array
*/
- public function & getData() {
+ public function getData() {
return $this->mData;
}
+ /**
+ * Get the 'real' size of a result item. This means the strlen() of the item,
+ * or the sum of the strlen()s of the elements if the item is an array.
+ * @param $value mixed
+ * @return int
+ */
+ public static function size( $value ) {
+ $s = 0;
+ if ( is_array( $value ) ) {
+ foreach ( $value as $v ) {
+ $s += self::size( $v );
+ }
+ } elseif ( !is_object( $value ) ) {
+ // Objects can't always be cast to string
+ $s = strlen( $value );
+ }
+ return $s;
+ }
+
+ /**
+ * Get the size of the result, i.e. the amount of bytes in it
+ * @return int
+ */
+ public function getSize() {
+ return $this->mSize;
+ }
+
+ /**
+ * Disable size checking in addValue(). Don't use this unless you
+ * REALLY know what you're doing. Values added while size checking
+ * was disabled will not be counted (ever)
+ */
+ public function disableSizeCheck() {
+ $this->mCheckingSize = false;
+ }
+
+ /**
+ * Re-enable size checking in addValue()
+ */
+ public function enableSizeCheck() {
+ $this->mCheckingSize = true;
+ }
+
/**
* Add an output value to the array by name.
* Verifies that value with the same name has not been added before.
+ * @param $arr array to add $value to
+ * @param $name string Index of $arr to add $value at
+ * @param $value mixed
+ * @param $overwrite bool Whether overwriting an existing element is allowed
*/
- public static function setElement(& $arr, $name, $value) {
- if ($arr === null || $name === null || $value === null || !is_array($arr) || is_array($name))
- ApiBase :: dieDebug(__METHOD__, 'Bad parameter');
+ public static function setElement( &$arr, $name, $value, $overwrite = false ) {
+ if ( $arr === null || $name === null || $value === null || !is_array( $arr ) || is_array( $name ) ) {
+ ApiBase::dieDebug( __METHOD__, 'Bad parameter' );
+ }
- if (!isset ($arr[$name])) {
+ if ( !isset ( $arr[$name] ) || $overwrite ) {
$arr[$name] = $value;
- }
- elseif (is_array($arr[$name]) && is_array($value)) {
- $merged = array_intersect_key($arr[$name], $value);
- if (!count($merged))
+ } elseif ( is_array( $arr[$name] ) && is_array( $value ) ) {
+ $merged = array_intersect_key( $arr[$name], $value );
+ if ( !count( $merged ) ) {
$arr[$name] += $value;
- else
- ApiBase :: dieDebug(__METHOD__, "Attempting to merge element $name");
- } else
- ApiBase :: dieDebug(__METHOD__, "Attempting to add element $name=$value, existing value is {$arr[$name]}");
+ } else {
+ ApiBase::dieDebug( __METHOD__, "Attempting to merge element $name" );
+ }
+ } else {
+ ApiBase::dieDebug( __METHOD__, "Attempting to add element $name=$value, existing value is {$arr[$name]}" );
+ }
}
/**
- * Adds the content element to the array.
+ * Adds a content element to an array.
* Use this function instead of hardcoding the '*' element.
- * @param string $subElemName when present, content element is created as a sub item of the arr.
- * Use this parameter to create elements in format <elem>text</elem> without attributes
- */
- public static function setContent(& $arr, $value, $subElemName = null) {
- if (is_array($value))
- ApiBase :: dieDebug(__METHOD__, 'Bad parameter');
- if (is_null($subElemName)) {
- ApiResult :: setElement($arr, '*', $value);
+ * @param $arr array to add the content element to
+ * @param $value Mixed
+ * @param $subElemName string when present, content element is created
+ * as a sub item of $arr. Use this parameter to create elements in
+ * format <elem>text</elem> without attributes
+ */
+ public static function setContent( &$arr, $value, $subElemName = null ) {
+ if ( is_array( $value ) ) {
+ ApiBase::dieDebug( __METHOD__, 'Bad parameter' );
+ }
+ if ( is_null( $subElemName ) ) {
+ ApiResult::setElement( $arr, '*', $value );
} else {
- if (!isset ($arr[$subElemName]))
- $arr[$subElemName] = array ();
- ApiResult :: setElement($arr[$subElemName], '*', $value);
+ if ( !isset( $arr[$subElemName] ) ) {
+ $arr[$subElemName] = array();
+ }
+ ApiResult::setElement( $arr[$subElemName], '*', $value );
}
}
/**
* In case the array contains indexed values (in addition to named),
- * all indexed values will have the given tag name.
+ * give all indexed values the given tag name. This function MUST be
+ * called on every array that has numerical indexes.
+ * @param $arr array
+ * @param $tag string Tag name
*/
- public function setIndexedTagName(& $arr, $tag) {
+ public function setIndexedTagName( &$arr, $tag ) {
// In raw mode, add the '_element', otherwise just ignore
- if (!$this->getIsRawMode())
+ if ( !$this->getIsRawMode() ) {
return;
- if ($arr === null || $tag === null || !is_array($arr) || is_array($tag))
- ApiBase :: dieDebug(__METHOD__, 'Bad parameter');
+ }
+ if ( $arr === null || $tag === null || !is_array( $arr ) || is_array( $tag ) ) {
+ ApiBase::dieDebug( __METHOD__, 'Bad parameter' );
+ }
// Do not use setElement() as it is ok to call this more than once
$arr['_element'] = $tag;
}
/**
- * Calls setIndexedTagName() on $arr and each sub-array
+ * Calls setIndexedTagName() on each sub-array of $arr
+ * @param $arr array
+ * @param $tag string Tag name
*/
- public function setIndexedTagName_recursive(&$arr, $tag)
- {
- if(!is_array($arr))
- return;
- foreach($arr as &$a)
- {
- if(!is_array($a))
- continue;
- $this->setIndexedTagName($a, $tag);
- $this->setIndexedTagName_recursive($a, $tag);
+ public function setIndexedTagName_recursive( &$arr, $tag ) {
+ if ( !is_array( $arr ) ) {
+ return;
+ }
+ foreach ( $arr as &$a ) {
+ if ( !is_array( $a ) ) {
+ continue;
}
+ $this->setIndexedTagName( $a, $tag );
+ $this->setIndexedTagName_recursive( $a, $tag );
+ }
+ }
+
+ /**
+ * Calls setIndexedTagName() on an array already in the result.
+ * Don't specify a path to a value that's not in the result, or
+ * you'll get nasty errors.
+ * @param $path array Path to the array, like addValue()'s $path
+ * @param $tag string
+ */
+ public function setIndexedTagName_internal( $path, $tag ) {
+ $data = &$this->mData;
+ foreach ( (array)$path as $p ) {
+ if ( !isset( $data[$p] ) ) {
+ $data[$p] = array();
+ }
+ $data = &$data[$p];
+ }
+ if ( is_null( $data ) ) {
+ return;
+ }
+ $this->setIndexedTagName( $data, $tag );
}
/**
* Add value to the output data at the given path.
- * Path is an indexed array, each element specifing the branch at which to add the new value
+ * Path is an indexed array, each element specifying the branch at which to add the new value
* Setting $path to array('a','b','c') is equivalent to data['a']['b']['c'] = $value
* If $name is empty, the $value is added as a next list element data[] = $value
+ * @return bool True if $value fits in the result, false if not
*/
- public function addValue($path, $name, $value) {
-
- $data = & $this->getData();
+ public function addValue( $path, $name, $value, $overwrite = false ) {
+ global $wgAPIMaxResultSize;
+ $data = &$this->mData;
+ if ( $this->mCheckingSize ) {
+ $newsize = $this->mSize + self::size( $value );
+ if ( $newsize > $wgAPIMaxResultSize ) {
+ return false;
+ }
+ $this->mSize = $newsize;
+ }
- if (!is_null($path)) {
- if (is_array($path)) {
- foreach ($path as $p) {
- if (!isset ($data[$p]))
- $data[$p] = array ();
- $data = & $data[$p];
+ if ( !is_null( $path ) ) {
+ if ( is_array( $path ) ) {
+ foreach ( $path as $p ) {
+ if ( !isset( $data[$p] ) ) {
+ $data[$p] = array();
+ }
+ $data = &$data[$p];
}
} else {
- if (!isset ($data[$path]))
- $data[$path] = array ();
- $data = & $data[$path];
+ if ( !isset( $data[$path] ) ) {
+ $data[$path] = array();
+ }
+ $data = &$data[$path];
}
}
- if (!$name)
- $data[] = $value; // Add list element
- else
- ApiResult :: setElement($data, $name, $value); // Add named element
+ if ( !$name ) {
+ $data[] = $value; // Add list element
+ } else {
+ self::setElement( $data, $name, $value, $overwrite ); // Add named element
+ }
+ return true;
}
/**
- * Ensure all values in this result are valid UTF-8.
+ * Add a parsed limit=max to the result.
+ *
+ * @param $moduleName string
+ * @param $limit int
*/
- public function cleanUpUTF8()
- {
- $data = & $this->getData();
- array_walk_recursive($data, array('UtfNormal', 'cleanUp'));
+ public function setParsedLimit( $moduleName, $limit ) {
+ // Add value, allowing overwriting
+ $this->addValue( 'limits', $moduleName, $limit, true );
}
- public function execute() {
- ApiBase :: dieDebug(__METHOD__, 'execute() is not supported on Result object');
+ /**
+ * Unset a value previously added to the result set.
+ * Fails silently if the value isn't found.
+ * For parameters, see addValue()
+ * @param $path array
+ * @param $name string
+ */
+ public function unsetValue( $path, $name ) {
+ $data = &$this->mData;
+ if ( !is_null( $path ) ) {
+ foreach ( (array)$path as $p ) {
+ if ( !isset( $data[$p] ) ) {
+ return;
+ }
+ $data = &$data[$p];
+ }
+ }
+ $this->mSize -= self::size( $data[$name] );
+ unset( $data[$name] );
}
- public function getVersion() {
- return __CLASS__ . ': $Id: ApiResult.php 45752 2009-01-14 21:36:57Z catrope $';
+ /**
+ * Ensure all values in this result are valid UTF-8.
+ */
+ public function cleanUpUTF8() {
+ array_walk_recursive( $this->mData, array( 'ApiResult', 'cleanUp_helper' ) );
}
-}
-/* For compatibility with PHP versions < 5.1.0, define our own array_intersect_key function. */
-if (!function_exists('array_intersect_key')) {
- function array_intersect_key($isec, $keys) {
- $argc = func_num_args();
-
- if ($argc > 2) {
- for ($i = 1; $isec && $i < $argc; $i++) {
- $arr = func_get_arg($i);
-
- foreach (array_keys($isec) as $key) {
- if (!isset($arr[$key]))
- unset($isec[$key]);
- }
- }
+ /**
+ * Callback function for cleanUpUTF8()
+ */
+ private static function cleanUp_helper( &$s ) {
+ if ( !is_string( $s ) ) {
+ return;
+ }
+ global $wgContLang;
+ $s = $wgContLang->normalize( $s );
+ }
- return $isec;
- } else {
- $res = array();
- foreach (array_keys($isec) as $key) {
- if (isset($keys[$key]))
- $res[$key] = $isec[$key];
- }
+ public function execute() {
+ ApiBase::dieDebug( __METHOD__, 'execute() is not supported on Result object' );
+ }
- return $res;
- }
+ public function getVersion() {
+ return __CLASS__ . ': $Id$';
}
}
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