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-rw-r--r--includes/api/ApiResult.php1553
1 files changed, 1168 insertions, 385 deletions
diff --git a/includes/api/ApiResult.php b/includes/api/ApiResult.php
index 2e80447e..7c573a8f 100644
--- a/includes/api/ApiResult.php
+++ b/includes/api/ApiResult.php
@@ -1,11 +1,5 @@
<?php
/**
- *
- *
- * 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
* the Free Software Foundation; either version 2 of the License, or
@@ -33,156 +27,266 @@
* Each subarray may either be a dictionary - key-value pairs with unique keys,
* or lists, where the items are added using $data[] = $value notation.
*
- * There are three special key values that change how XML output is generated:
- * '_element' This key sets the tag name for the rest of the elements in the current array.
- * It is only inserted if the formatter returned true for getNeedsRawData()
- * '_subelements' This key causes the specified elements to be returned as subelements rather than attributes.
- * It is only inserted if the formatter returned true for getNeedsRawData()
- * '*' This key has special meaning only to the XML formatter, and is outputted as is
- * for all others. In XML it becomes the content of the current element.
- *
+ * @since 1.25 this is no longer a subclass of ApiBase
* @ingroup API
*/
-class ApiResult extends ApiBase {
+class ApiResult implements ApiSerializable {
/**
- * override existing value in addValue() and setElement()
+ * Override existing value in addValue(), setValue(), and similar functions
* @since 1.21
*/
const OVERRIDE = 1;
/**
- * For addValue() and setElement(), if the value does not exist, add it as the first element.
- * In case the new value has no name (numerical index), all indexes will be renumbered.
+ * For addValue(), setValue() and similar functions, if the value does not
+ * exist, add it as the first element. In case the new value has no name
+ * (numerical index), all indexes will be renumbered.
* @since 1.21
*/
const ADD_ON_TOP = 2;
/**
- * For addValue() and setElement(), do not check size while adding a value
+ * For addValue() and similar functions, do not check size while adding a value
* Don't use this unless you REALLY know what you're doing.
- * Values added while the size checking was disabled will never be counted
+ * Values added while the size checking was disabled will never be counted.
+ * Ignored for setValue() and similar functions.
* @since 1.24
*/
const NO_SIZE_CHECK = 4;
- private $mData, $mIsRawMode, $mSize, $mCheckingSize;
+ /**
+ * For addValue(), setValue() and similar functions, do not validate data.
+ * Also disables size checking. If you think you need to use this, you're
+ * probably wrong.
+ * @since 1.25
+ */
+ const NO_VALIDATE = 12;
- private $continueAllModules = array();
- private $continueGeneratedModules = array();
- private $continuationData = array();
- private $generatorContinuationData = array();
- private $generatorParams = array();
- private $generatorDone = false;
+ /**
+ * Key for the 'indexed tag name' metadata item. Value is string.
+ * @since 1.25
+ */
+ const META_INDEXED_TAG_NAME = '_element';
/**
- * @param ApiMain $main
+ * Key for the 'subelements' metadata item. Value is string[].
+ * @since 1.25
*/
- public function __construct( ApiMain $main ) {
- parent::__construct( $main, 'result' );
- $this->mIsRawMode = false;
- $this->mCheckingSize = true;
- $this->reset();
- }
+ const META_SUBELEMENTS = '_subelements';
/**
- * Clear the current result data.
+ * Key for the 'preserve keys' metadata item. Value is string[].
+ * @since 1.25
*/
- public function reset() {
- $this->mData = array();
- $this->mSize = 0;
- }
+ const META_PRESERVE_KEYS = '_preservekeys';
/**
- * Call this function when special elements such as '_element'
- * are needed by the formatter, for example in XML printing.
- * @since 1.23 $flag parameter added
- * @param bool $flag Set the raw mode flag to this state
+ * Key for the 'content' metadata item. Value is string.
+ * @since 1.25
*/
- public function setRawMode( $flag = true ) {
- $this->mIsRawMode = $flag;
- }
+ const META_CONTENT = '_content';
/**
- * Returns true whether the formatter requested raw data.
- * @return bool
+ * Key for the 'type' metadata item. Value is one of the following strings:
+ * - default: Like 'array' if all (non-metadata) keys are numeric with no
+ * gaps, otherwise like 'assoc'.
+ * - array: Keys are used for ordering, but are not output. In a format
+ * like JSON, outputs as [].
+ * - assoc: In a format like JSON, outputs as {}.
+ * - kvp: For a format like XML where object keys have a restricted
+ * character set, use an alternative output format. For example,
+ * <container><item name="key">value</item></container> rather than
+ * <container key="value" />
+ * - BCarray: Like 'array' normally, 'default' in backwards-compatibility mode.
+ * - BCassoc: Like 'assoc' normally, 'default' in backwards-compatibility mode.
+ * - BCkvp: Like 'kvp' normally. In backwards-compatibility mode, forces
+ * the alternative output format for all formats, for example
+ * [{"name":key,"*":value}] in JSON. META_KVP_KEY_NAME must also be set.
+ * @since 1.25
*/
- public function getIsRawMode() {
- return $this->mIsRawMode;
- }
+ const META_TYPE = '_type';
/**
- * Get the result's internal data array (read-only)
- * @return array
+ * Key (rather than "name" or other default) for when META_TYPE is 'kvp' or
+ * 'BCkvp'. Value is string.
+ * @since 1.25
*/
- public function getData() {
- return $this->mData;
- }
+ const META_KVP_KEY_NAME = '_kvpkeyname';
/**
- * 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 mixed $value
- * @return int
+ * Key for the 'BC bools' metadata item. Value is string[].
+ * Note no setter is provided.
+ * @since 1.25
*/
- 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 );
+ const META_BC_BOOLS = '_BC_bools';
+
+ /**
+ * Key for the 'BC subelements' metadata item. Value is string[].
+ * Note no setter is provided.
+ * @since 1.25
+ */
+ const META_BC_SUBELEMENTS = '_BC_subelements';
+
+ private $data, $size, $maxSize;
+ private $errorFormatter;
+
+ // Deprecated fields
+ private $isRawMode, $checkingSize, $mainForContinuation;
+
+ /**
+ * @param int|bool $maxSize Maximum result "size", or false for no limit
+ * @since 1.25 Takes an integer|bool rather than an ApiMain
+ */
+ public function __construct( $maxSize ) {
+ if ( $maxSize instanceof ApiMain ) {
+ wfDeprecated( 'ApiMain to ' . __METHOD__, '1.25' );
+ $this->errorFormatter = $maxSize->getErrorFormatter();
+ $this->mainForContinuation = $maxSize;
+ $maxSize = $maxSize->getConfig()->get( 'APIMaxResultSize' );
}
- return $s;
+ $this->maxSize = $maxSize;
+ $this->isRawMode = false;
+ $this->checkingSize = true;
+ $this->reset();
}
/**
- * Get the size of the result, i.e. the amount of bytes in it
- * @return int
+ * Set the error formatter
+ * @since 1.25
+ * @param ApiErrorFormatter $formatter
*/
- public function getSize() {
- return $this->mSize;
+ public function setErrorFormatter( ApiErrorFormatter $formatter ) {
+ $this->errorFormatter = $formatter;
}
/**
- * 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)
- * @deprecated since 1.24, use ApiResult::NO_SIZE_CHECK
+ * Allow for adding one ApiResult into another
+ * @since 1.25
+ * @return mixed
*/
- public function disableSizeCheck() {
- $this->mCheckingSize = false;
+ public function serializeForApiResult() {
+ return $this->data;
}
+ /************************************************************************//**
+ * @name Content
+ * @{
+ */
+
/**
- * Re-enable size checking in addValue()
- * @deprecated since 1.24, use ApiResult::NO_SIZE_CHECK
+ * Clear the current result data.
*/
- public function enableSizeCheck() {
- $this->mCheckingSize = true;
+ public function reset() {
+ $this->data = array(
+ self::META_TYPE => 'assoc', // Usually what's desired
+ );
+ $this->size = 0;
+ }
+
+ /**
+ * Get the result data array
+ *
+ * The returned value should be considered read-only.
+ *
+ * Transformations include:
+ *
+ * Custom: (callable) Applied before other transformations. Signature is
+ * function ( &$data, &$metadata ), return value is ignored. Called for
+ * each nested array.
+ *
+ * BC: (array) This transformation does various adjustments to bring the
+ * output in line with the pre-1.25 result format. The value array is a
+ * list of flags: 'nobool', 'no*', 'nosub'.
+ * - Boolean-valued items are changed to '' if true or removed if false,
+ * unless listed in META_BC_BOOLS. This may be skipped by including
+ * 'nobool' in the value array.
+ * - The tag named by META_CONTENT is renamed to '*', and META_CONTENT is
+ * set to '*'. This may be skipped by including 'no*' in the value
+ * array.
+ * - Tags listed in META_BC_SUBELEMENTS will have their values changed to
+ * array( '*' => $value ). This may be skipped by including 'nosub' in
+ * the value array.
+ * - If META_TYPE is 'BCarray', set it to 'default'
+ * - If META_TYPE is 'BCassoc', set it to 'default'
+ * - If META_TYPE is 'BCkvp', perform the transformation (even if
+ * the Types transformation is not being applied).
+ *
+ * Types: (assoc) Apply transformations based on META_TYPE. The values
+ * array is an associative array with the following possible keys:
+ * - AssocAsObject: (bool) If true, return arrays with META_TYPE 'assoc'
+ * as objects.
+ * - ArmorKVP: (string) If provided, transform arrays with META_TYPE 'kvp'
+ * and 'BCkvp' into arrays of two-element arrays, something like this:
+ * $output = array();
+ * foreach ( $input as $key => $value ) {
+ * $pair = array();
+ * $pair[$META_KVP_KEY_NAME ?: $ArmorKVP_value] = $key;
+ * ApiResult::setContentValue( $pair, 'value', $value );
+ * $output[] = $pair;
+ * }
+ *
+ * Strip: (string) Strips metadata keys from the result.
+ * - 'all': Strip all metadata, recursively
+ * - 'base': Strip metadata at the top-level only.
+ * - 'none': Do not strip metadata.
+ * - 'bc': Like 'all', but leave certain pre-1.25 keys.
+ *
+ * @since 1.25
+ * @param array|string|null $path Path to fetch, see ApiResult::addValue
+ * @param array $transforms See above
+ * @return mixed Result data, or null if not found
+ */
+ public function getResultData( $path = array(), $transforms = array() ) {
+ $path = (array)$path;
+ if ( !$path ) {
+ return self::applyTransformations( $this->data, $transforms );
+ }
+
+ $last = array_pop( $path );
+ $ret = &$this->path( $path, 'dummy' );
+ if ( !isset( $ret[$last] ) ) {
+ return null;
+ } elseif ( is_array( $ret[$last] ) ) {
+ return self::applyTransformations( $ret[$last], $transforms );
+ } else {
+ return $ret[$last];
+ }
+ }
+
+ /**
+ * Get the size of the result, i.e. the amount of bytes in it
+ * @return int
+ */
+ public function getSize() {
+ return $this->size;
}
/**
* Add an output value to the array by name.
+ *
* Verifies that value with the same name has not been added before.
- * @param array $arr To add $value to
- * @param string $name Index of $arr to add $value at
+ *
+ * @since 1.25
+ * @param array &$arr To add $value to
+ * @param string|int|null $name Index of $arr to add $value at,
+ * or null to use the next numeric index.
* @param mixed $value
* @param int $flags Zero or more OR-ed flags like OVERRIDE | ADD_ON_TOP.
- * This parameter used to be boolean, and the value of OVERRIDE=1 was
- * specifically chosen so that it would be backwards compatible with the
- * new method signature.
- *
- * @since 1.21 int $flags replaced boolean $override
*/
- public static function setElement( &$arr, $name, $value, $flags = 0 ) {
- if ( $arr === null || $name === null || $value === null
- || !is_array( $arr ) || is_array( $name )
- ) {
- ApiBase::dieDebug( __METHOD__, 'Bad parameter' );
+ public static function setValue( array &$arr, $name, $value, $flags = 0 ) {
+ if ( !( $flags & ApiResult::NO_VALIDATE ) ) {
+ $value = self::validateValue( $value );
+ }
+
+ if ( $name === null ) {
+ if ( $flags & ApiResult::ADD_ON_TOP ) {
+ array_unshift( $arr, $value );
+ } else {
+ array_push( $arr, $value );
+ }
+ return;
}
$exists = isset( $arr[$name] );
@@ -193,265 +297,968 @@ class ApiResult extends ApiBase {
$arr[$name] = $value;
}
} elseif ( is_array( $arr[$name] ) && is_array( $value ) ) {
- $merged = array_intersect_key( $arr[$name], $value );
- if ( !count( $merged ) ) {
+ $conflicts = array_intersect_key( $arr[$name], $value );
+ if ( !$conflicts ) {
$arr[$name] += $value;
} else {
- ApiBase::dieDebug( __METHOD__, "Attempting to merge element $name" );
+ $keys = join( ', ', array_keys( $conflicts ) );
+ throw new RuntimeException( "Conflicting keys ($keys) when attempting to merge element $name" );
}
} else {
- ApiBase::dieDebug(
- __METHOD__,
- "Attempting to add element $name=$value, existing value is {$arr[$name]}"
- );
+ throw new RuntimeException( "Attempting to add element $name=$value, existing value is {$arr[$name]}" );
}
}
/**
- * Adds a content element to an array.
- * Use this function instead of hardcoding the '*' element.
- * @param array $arr To add the content element to
+ * Validate a value for addition to the result
* @param mixed $value
- * @param string $subElemName 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 ) {
+ private static function validateValue( $value ) {
+ global $wgContLang;
+
+ if ( is_object( $value ) ) {
+ // Note we use is_callable() here instead of instanceof because
+ // ApiSerializable is an informal protocol (see docs there for details).
+ if ( is_callable( array( $value, 'serializeForApiResult' ) ) ) {
+ $oldValue = $value;
+ $value = $value->serializeForApiResult();
+ if ( is_object( $value ) ) {
+ throw new UnexpectedValueException(
+ get_class( $oldValue ) . "::serializeForApiResult() returned an object of class " .
+ get_class( $value )
+ );
+ }
+
+ // Recursive call instead of fall-through so we can throw a
+ // better exception message.
+ try {
+ return self::validateValue( $value );
+ } catch ( Exception $ex ) {
+ throw new UnexpectedValueException(
+ get_class( $oldValue ) . "::serializeForApiResult() returned an invalid value: " .
+ $ex->getMessage(),
+ 0,
+ $ex
+ );
+ }
+ } elseif ( is_callable( array( $value, '__toString' ) ) ) {
+ $value = (string)$value;
+ } else {
+ $value = (array)$value + array( self::META_TYPE => 'assoc' );
+ }
+ }
if ( is_array( $value ) ) {
- ApiBase::dieDebug( __METHOD__, 'Bad parameter' );
+ foreach ( $value as $k => $v ) {
+ $value[$k] = self::validateValue( $v );
+ }
+ } elseif ( is_float( $value ) && !is_finite( $value ) ) {
+ throw new InvalidArgumentException( "Cannot add non-finite floats to ApiResult" );
+ } elseif ( is_string( $value ) ) {
+ $value = $wgContLang->normalize( $value );
+ } elseif ( $value !== null && !is_scalar( $value ) ) {
+ $type = gettype( $value );
+ if ( is_resource( $value ) ) {
+ $type .= '(' . get_resource_type( $value ) . ')';
+ }
+ throw new InvalidArgumentException( "Cannot add $type to ApiResult" );
}
- if ( is_null( $subElemName ) ) {
- ApiResult::setElement( $arr, '*', $value );
- } else {
- if ( !isset( $arr[$subElemName] ) ) {
- $arr[$subElemName] = array();
+
+ return $value;
+ }
+
+ /**
+ * Add value to the output data at the given path.
+ *
+ * Path can be 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 $path is null, the value will be inserted at the data root.
+ *
+ * @param array|string|int|null $path
+ * @param string|int|null $name See ApiResult::setValue()
+ * @param mixed $value
+ * @param int $flags Zero or more OR-ed flags like OVERRIDE | ADD_ON_TOP.
+ * This parameter used to be boolean, and the value of OVERRIDE=1 was specifically
+ * chosen so that it would be backwards compatible with the new method signature.
+ * @return bool True if $value fits in the result, false if not
+ * @since 1.21 int $flags replaced boolean $override
+ */
+ public function addValue( $path, $name, $value, $flags = 0 ) {
+ $arr = &$this->path( $path, ( $flags & ApiResult::ADD_ON_TOP ) ? 'prepend' : 'append' );
+
+ if ( $this->checkingSize && !( $flags & ApiResult::NO_SIZE_CHECK ) ) {
+ $newsize = $this->size + self::valueSize( $value );
+ if ( $this->maxSize !== false && $newsize > $this->maxSize ) {
+ /// @todo Add i18n message when replacing calls to ->setWarning()
+ $msg = new ApiRawMessage( 'This result was truncated because it would otherwise ' .
+ ' be larger than the limit of $1 bytes', 'truncatedresult' );
+ $msg->numParams( $this->maxSize );
+ $this->errorFormatter->addWarning( 'result', $msg );
+ return false;
}
- ApiResult::setElement( $arr[$subElemName], '*', $value );
+ $this->size = $newsize;
}
+
+ self::setValue( $arr, $name, $value, $flags );
+ return true;
}
/**
- * Causes the elements with the specified names to be output as
- * subelements rather than attributes.
- * @param array $arr
- * @param array|string $names The element name(s) to be output as subelements
+ * Remove an output value to the array by name.
+ * @param array &$arr To remove $value from
+ * @param string|int $name Index of $arr to remove
+ * @return mixed Old value, or null
*/
- public function setSubelements( &$arr, $names ) {
- // In raw mode, add the '_subelements', otherwise just ignore
- if ( !$this->getIsRawMode() ) {
- return;
+ public static function unsetValue( array &$arr, $name ) {
+ $ret = null;
+ if ( isset( $arr[$name] ) ) {
+ $ret = $arr[$name];
+ unset( $arr[$name] );
}
- if ( $arr === null || $names === null || !is_array( $arr ) ) {
- ApiBase::dieDebug( __METHOD__, 'Bad parameter' );
+ return $ret;
+ }
+
+ /**
+ * Remove value from the output data at the given path.
+ *
+ * @since 1.25
+ * @param array|string|null $path See ApiResult::addValue()
+ * @param string|int|null $name Index to remove at $path.
+ * If null, $path itself is removed.
+ * @param int $flags Flags used when adding the value
+ * @return mixed Old value, or null
+ */
+ public function removeValue( $path, $name, $flags = 0 ) {
+ $path = (array)$path;
+ if ( $name === null ) {
+ if ( !$path ) {
+ throw new InvalidArgumentException( 'Cannot remove the data root' );
+ }
+ $name = array_pop( $path );
}
- if ( !is_array( $names ) ) {
- $names = array( $names );
+ $ret = self::unsetValue( $this->path( $path, 'dummy' ), $name );
+ if ( $this->checkingSize && !( $flags & ApiResult::NO_SIZE_CHECK ) ) {
+ $newsize = $this->size - self::valueSize( $ret );
+ $this->size = max( $newsize, 0 );
}
- if ( !isset( $arr['_subelements'] ) ) {
- $arr['_subelements'] = $names;
+ return $ret;
+ }
+
+ /**
+ * Add an output value to the array by name and mark as META_CONTENT.
+ *
+ * @since 1.25
+ * @param array &$arr To add $value to
+ * @param string|int $name Index of $arr to add $value at.
+ * @param mixed $value
+ * @param int $flags Zero or more OR-ed flags like OVERRIDE | ADD_ON_TOP.
+ */
+ public static function setContentValue( array &$arr, $name, $value, $flags = 0 ) {
+ if ( $name === null ) {
+ throw new InvalidArgumentException( 'Content value must be named' );
+ }
+ self::setContentField( $arr, $name, $flags );
+ self::setValue( $arr, $name, $value, $flags );
+ }
+
+ /**
+ * Add value to the output data at the given path and mark as META_CONTENT
+ *
+ * @since 1.25
+ * @param array|string|null $path See ApiResult::addValue()
+ * @param string|int $name See ApiResult::setValue()
+ * @param mixed $value
+ * @param int $flags Zero or more OR-ed flags like OVERRIDE | ADD_ON_TOP.
+ * @return bool True if $value fits in the result, false if not
+ */
+ public function addContentValue( $path, $name, $value, $flags = 0 ) {
+ if ( $name === null ) {
+ throw new InvalidArgumentException( 'Content value must be named' );
+ }
+ $this->addContentField( $path, $name, $flags );
+ $this->addValue( $path, $name, $value, $flags );
+ }
+
+ /**
+ * Add the numeric limit for a limit=max to the result.
+ *
+ * @since 1.25
+ * @param string $moduleName
+ * @param int $limit
+ */
+ public function addParsedLimit( $moduleName, $limit ) {
+ // Add value, allowing overwriting
+ $this->addValue( 'limits', $moduleName, $limit,
+ ApiResult::OVERRIDE | ApiResult::NO_SIZE_CHECK );
+ }
+
+ /**@}*/
+
+ /************************************************************************//**
+ * @name Metadata
+ * @{
+ */
+
+ /**
+ * Set the name of the content field name (META_CONTENT)
+ *
+ * @since 1.25
+ * @param array &$arr
+ * @param string|int $name Name of the field
+ * @param int $flags Zero or more OR-ed flags like OVERRIDE | ADD_ON_TOP.
+ */
+ public static function setContentField( array &$arr, $name, $flags = 0 ) {
+ if ( isset( $arr[self::META_CONTENT] ) &&
+ isset( $arr[$arr[self::META_CONTENT]] ) &&
+ !( $flags & self::OVERRIDE )
+ ) {
+ throw new RuntimeException(
+ "Attempting to set content element as $name when " . $arr[self::META_CONTENT] .
+ " is already set as the content element"
+ );
+ }
+ $arr[self::META_CONTENT] = $name;
+ }
+
+ /**
+ * Set the name of the content field name (META_CONTENT)
+ *
+ * @since 1.25
+ * @param array|string|null $path See ApiResult::addValue()
+ * @param string|int $name Name of the field
+ * @param int $flags Zero or more OR-ed flags like OVERRIDE | ADD_ON_TOP.
+ */
+ public function addContentField( $path, $name, $flags = 0 ) {
+ $arr = &$this->path( $path, ( $flags & ApiResult::ADD_ON_TOP ) ? 'prepend' : 'append' );
+ self::setContentField( $arr, $name, $flags );
+ }
+
+ /**
+ * Causes the elements with the specified names to be output as
+ * subelements rather than attributes.
+ * @since 1.25 is static
+ * @param array &$arr
+ * @param array|string|int $names The element name(s) to be output as subelements
+ */
+ public static function setSubelementsList( array &$arr, $names ) {
+ if ( !isset( $arr[self::META_SUBELEMENTS] ) ) {
+ $arr[self::META_SUBELEMENTS] = (array)$names;
} else {
- $arr['_subelements'] = array_merge( $arr['_subelements'], $names );
+ $arr[self::META_SUBELEMENTS] = array_merge( $arr[self::META_SUBELEMENTS], (array)$names );
}
}
/**
- * In case the array contains indexed values (in addition to named),
- * give all indexed values the given tag name. This function MUST be
- * called on every array that has numerical indexes.
- * @param array $arr
- * @param string $tag Tag name
+ * Causes the elements with the specified names to be output as
+ * subelements rather than attributes.
+ * @since 1.25
+ * @param array|string|null $path See ApiResult::addValue()
+ * @param array|string|int $names The element name(s) to be output as subelements
*/
- public function setIndexedTagName( &$arr, $tag ) {
- // In raw mode, add the '_element', otherwise just ignore
- if ( !$this->getIsRawMode() ) {
- return;
+ public function addSubelementsList( $path, $names ) {
+ $arr = &$this->path( $path );
+ self::setSubelementsList( $arr, $names );
+ }
+
+ /**
+ * Causes the elements with the specified names to be output as
+ * attributes (when possible) rather than as subelements.
+ * @since 1.25
+ * @param array &$arr
+ * @param array|string|int $names The element name(s) to not be output as subelements
+ */
+ public static function unsetSubelementsList( array &$arr, $names ) {
+ if ( isset( $arr[self::META_SUBELEMENTS] ) ) {
+ $arr[self::META_SUBELEMENTS] = array_diff( $arr[self::META_SUBELEMENTS], (array)$names );
}
- if ( $arr === null || $tag === null || !is_array( $arr ) || is_array( $tag ) ) {
- ApiBase::dieDebug( __METHOD__, 'Bad parameter' );
+ }
+
+ /**
+ * Causes the elements with the specified names to be output as
+ * attributes (when possible) rather than as subelements.
+ * @since 1.25
+ * @param array|string|null $path See ApiResult::addValue()
+ * @param array|string|int $names The element name(s) to not be output as subelements
+ */
+ public function removeSubelementsList( $path, $names ) {
+ $arr = &$this->path( $path );
+ self::unsetSubelementsList( $arr, $names );
+ }
+
+ /**
+ * Set the tag name for numeric-keyed values in XML format
+ * @since 1.25 is static
+ * @param array &$arr
+ * @param string $tag Tag name
+ */
+ public static function setIndexedTagName( array &$arr, $tag ) {
+ if ( !is_string( $tag ) ) {
+ throw new InvalidArgumentException( 'Bad tag name' );
}
- // Do not use setElement() as it is ok to call this more than once
- $arr['_element'] = $tag;
+ $arr[self::META_INDEXED_TAG_NAME] = $tag;
}
/**
- * Calls setIndexedTagName() on each sub-array of $arr
- * @param array $arr
+ * Set the tag name for numeric-keyed values in XML format
+ * @since 1.25
+ * @param array|string|null $path See ApiResult::addValue()
* @param string $tag Tag name
*/
- public function setIndexedTagName_recursive( &$arr, $tag ) {
- if ( !is_array( $arr ) ) {
- return;
+ public function addIndexedTagName( $path, $tag ) {
+ $arr = &$this->path( $path );
+ self::setIndexedTagName( $arr, $tag );
+ }
+
+ /**
+ * Set indexed tag name on $arr and all subarrays
+ *
+ * @since 1.25
+ * @param array &$arr
+ * @param string $tag Tag name
+ */
+ public static function setIndexedTagNameRecursive( array &$arr, $tag ) {
+ if ( !is_string( $tag ) ) {
+ throw new InvalidArgumentException( 'Bad tag name' );
}
- foreach ( $arr as &$a ) {
- if ( !is_array( $a ) ) {
- continue;
+ $arr[self::META_INDEXED_TAG_NAME] = $tag;
+ foreach ( $arr as $k => &$v ) {
+ if ( !self::isMetadataKey( $k ) && is_array( $v ) ) {
+ self::setIndexedTagNameRecursive( $v, $tag );
}
- $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 array $path Path to the array, like addValue()'s $path
- * @param string $tag
+ * Set indexed tag name on $path and all subarrays
+ *
+ * @since 1.25
+ * @param array|string|null $path See ApiResult::addValue()
+ * @param string $tag Tag name
*/
- public function setIndexedTagName_internal( $path, $tag ) {
- $data = &$this->mData;
- foreach ( (array)$path as $p ) {
- if ( !isset( $data[$p] ) ) {
- $data[$p] = array();
- }
- $data = &$data[$p];
+ public function addIndexedTagNameRecursive( $path, $tag ) {
+ $arr = &$this->path( $path );
+ self::setIndexedTagNameRecursive( $arr, $tag );
+ }
+
+ /**
+ * Preserve specified keys.
+ *
+ * This prevents XML name mangling and preventing keys from being removed
+ * by self::stripMetadata().
+ *
+ * @since 1.25
+ * @param array &$arr
+ * @param array|string $names The element name(s) to preserve
+ */
+ public static function setPreserveKeysList( array &$arr, $names ) {
+ if ( !isset( $arr[self::META_PRESERVE_KEYS] ) ) {
+ $arr[self::META_PRESERVE_KEYS] = (array)$names;
+ } else {
+ $arr[self::META_PRESERVE_KEYS] = array_merge( $arr[self::META_PRESERVE_KEYS], (array)$names );
}
- if ( is_null( $data ) ) {
- return;
+ }
+
+ /**
+ * Preserve specified keys.
+ * @since 1.25
+ * @see self::setPreserveKeysList()
+ * @param array|string|null $path See ApiResult::addValue()
+ * @param array|string $names The element name(s) to preserve
+ */
+ public function addPreserveKeysList( $path, $names ) {
+ $arr = &$this->path( $path );
+ self::setPreserveKeysList( $arr, $names );
+ }
+
+ /**
+ * Don't preserve specified keys.
+ * @since 1.25
+ * @see self::setPreserveKeysList()
+ * @param array &$arr
+ * @param array|string $names The element name(s) to not preserve
+ */
+ public static function unsetPreserveKeysList( array &$arr, $names ) {
+ if ( isset( $arr[self::META_PRESERVE_KEYS] ) ) {
+ $arr[self::META_PRESERVE_KEYS] = array_diff( $arr[self::META_PRESERVE_KEYS], (array)$names );
}
- $this->setIndexedTagName( $data, $tag );
}
/**
- * Add value to the output data at the given path.
- * Path can be 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 $path is null, the value will be inserted at the data root.
- * If $name is empty, the $value is added as a next list element data[] = $value.
+ * Don't preserve specified keys.
+ * @since 1.25
+ * @see self::setPreserveKeysList()
+ * @param array|string|null $path See ApiResult::addValue()
+ * @param array|string $names The element name(s) to not preserve
+ */
+ public function removePreserveKeysList( $path, $names ) {
+ $arr = &$this->path( $path );
+ self::unsetPreserveKeysList( $arr, $names );
+ }
+
+ /**
+ * Set the array data type
*
- * @param array|string|null $path
- * @param string $name
- * @param mixed $value
- * @param int $flags Zero or more OR-ed flags like OVERRIDE | ADD_ON_TOP.
- * This parameter used to be boolean, and the value of OVERRIDE=1 was specifically
- * chosen so that it would be backwards compatible with the new method signature.
- * @return bool True if $value fits in the result, false if not
+ * @since 1.25
+ * @param array &$arr
+ * @param string $type See ApiResult::META_TYPE
+ * @param string $kvpKeyName See ApiResult::META_KVP_KEY_NAME
+ */
+ public static function setArrayType( array &$arr, $type, $kvpKeyName = null ) {
+ if ( !in_array( $type, array( 'default', 'array', 'assoc', 'kvp', 'BCarray', 'BCassoc', 'BCkvp' ), true ) ) {
+ throw new InvalidArgumentException( 'Bad type' );
+ }
+ $arr[self::META_TYPE] = $type;
+ if ( is_string( $kvpKeyName ) ) {
+ $arr[self::META_KVP_KEY_NAME] = $kvpKeyName;
+ }
+ }
+
+ /**
+ * Set the array data type for a path
+ * @since 1.25
+ * @param array|string|null $path See ApiResult::addValue()
+ * @param string $type See ApiResult::META_TYPE
+ * @param string $kvpKeyName See ApiResult::META_KVP_KEY_NAME
+ */
+ public function addArrayType( $path, $tag, $kvpKeyName = null ) {
+ $arr = &$this->path( $path );
+ self::setArrayType( $arr, $tag, $kvpKeyName );
+ }
+
+ /**
+ * Set the array data type recursively
+ * @since 1.25
+ * @param array &$arr
+ * @param string $type See ApiResult::META_TYPE
+ * @param string $kvpKeyName See ApiResult::META_KVP_KEY_NAME
+ */
+ public static function setArrayTypeRecursive( array &$arr, $type, $kvpKeyName = null ) {
+ self::setArrayType( $arr, $type, $kvpKeyName );
+ foreach ( $arr as $k => &$v ) {
+ if ( !self::isMetadataKey( $k ) && is_array( $v ) ) {
+ self::setArrayTypeRecursive( $v, $type, $kvpKeyName );
+ }
+ }
+ }
+
+ /**
+ * Set the array data type for a path recursively
+ * @since 1.25
+ * @param array|string|null $path See ApiResult::addValue()
+ * @param string $type See ApiResult::META_TYPE
+ * @param string $kvpKeyName See ApiResult::META_KVP_KEY_NAME
+ */
+ public function addArrayTypeRecursive( $path, $tag, $kvpKeyName = null ) {
+ $arr = &$this->path( $path );
+ self::setArrayTypeRecursive( $arr, $tag, $kvpKeyName );
+ }
+
+ /**@}*/
+
+ /************************************************************************//**
+ * @name Utility
+ * @{
+ */
+
+ /**
+ * Test whether a key should be considered metadata
*
- * @since 1.21 int $flags replaced boolean $override
+ * @param string $key
+ * @return bool
*/
- public function addValue( $path, $name, $value, $flags = 0 ) {
- $data = &$this->mData;
- if ( $this->mCheckingSize && !( $flags & ApiResult::NO_SIZE_CHECK ) ) {
- $newsize = $this->mSize + self::size( $value );
- $maxResultSize = $this->getConfig()->get( 'APIMaxResultSize' );
- if ( $newsize > $maxResultSize ) {
- $this->setWarning(
- "This result was truncated because it would otherwise be larger than the " .
- "limit of {$maxResultSize} bytes" );
+ public static function isMetadataKey( $key ) {
+ return substr( $key, 0, 1 ) === '_';
+ }
- return false;
+ /**
+ * Apply transformations to an array, returning the transformed array.
+ *
+ * @see ApiResult::getResultData()
+ * @since 1.25
+ * @param array $data
+ * @param array $transforms
+ * @return array|object
+ */
+ protected static function applyTransformations( array $dataIn, array $transforms ) {
+ $strip = isset( $transforms['Strip'] ) ? $transforms['Strip'] : 'none';
+ if ( $strip === 'base' ) {
+ $transforms['Strip'] = 'none';
+ }
+ $transformTypes = isset( $transforms['Types'] ) ? $transforms['Types'] : null;
+ if ( $transformTypes !== null && !is_array( $transformTypes ) ) {
+ throw new InvalidArgumentException( __METHOD__ . ':Value for "Types" must be an array' );
+ }
+
+ $metadata = array();
+ $data = self::stripMetadataNonRecursive( $dataIn, $metadata );
+
+ if ( isset( $transforms['Custom'] ) ) {
+ if ( !is_callable( $transforms['Custom'] ) ) {
+ throw new InvalidArgumentException( __METHOD__ . ': Value for "Custom" must be callable' );
}
- $this->mSize = $newsize;
+ call_user_func_array( $transforms['Custom'], array( &$data, &$metadata ) );
}
- $addOnTop = $flags & ApiResult::ADD_ON_TOP;
- if ( $path !== null ) {
- foreach ( (array)$path as $p ) {
- if ( !isset( $data[$p] ) ) {
- if ( $addOnTop ) {
- $data = array( $p => array() ) + $data;
- $addOnTop = false;
- } else {
- $data[$p] = array();
+ if ( ( isset( $transforms['BC'] ) || $transformTypes !== null ) &&
+ isset( $metadata[self::META_TYPE] ) && $metadata[self::META_TYPE] === 'BCkvp' &&
+ !isset( $metadata[self::META_KVP_KEY_NAME] )
+ ) {
+ throw new UnexpectedValueException( 'Type "BCkvp" used without setting ' .
+ 'ApiResult::META_KVP_KEY_NAME metadata item' );
+ }
+
+ // BC transformations
+ $boolKeys = null;
+ $forceKVP = false;
+ if ( isset( $transforms['BC'] ) ) {
+ if ( !is_array( $transforms['BC'] ) ) {
+ throw new InvalidArgumentException( __METHOD__ . ':Value for "BC" must be an array' );
+ }
+ if ( !in_array( 'nobool', $transforms['BC'], true ) ) {
+ $boolKeys = isset( $metadata[self::META_BC_BOOLS] )
+ ? array_flip( $metadata[self::META_BC_BOOLS] )
+ : array();
+ }
+
+ if ( !in_array( 'no*', $transforms['BC'], true ) &&
+ isset( $metadata[self::META_CONTENT] ) && $metadata[self::META_CONTENT] !== '*'
+ ) {
+ $k = $metadata[self::META_CONTENT];
+ $data['*'] = $data[$k];
+ unset( $data[$k] );
+ $metadata[self::META_CONTENT] = '*';
+ }
+
+ if ( !in_array( 'nosub', $transforms['BC'], true ) &&
+ isset( $metadata[self::META_BC_SUBELEMENTS] )
+ ) {
+ foreach ( $metadata[self::META_BC_SUBELEMENTS] as $k ) {
+ if ( isset( $data[$k] ) ) {
+ $data[$k] = array(
+ '*' => $data[$k],
+ self::META_CONTENT => '*',
+ self::META_TYPE => 'assoc',
+ );
}
}
- $data = &$data[$p];
+ }
+
+ if ( isset( $metadata[self::META_TYPE] ) ) {
+ switch ( $metadata[self::META_TYPE] ) {
+ case 'BCarray':
+ case 'BCassoc':
+ $metadata[self::META_TYPE] = 'default';
+ break;
+ case 'BCkvp':
+ $transformTypes['ArmorKVP'] = $metadata[self::META_KVP_KEY_NAME];
+ break;
+ }
}
}
- if ( !$name ) {
- // Add list element
- if ( $addOnTop ) {
- // This element needs to be inserted in the beginning
- // Numerical indexes will be renumbered
- array_unshift( $data, $value );
- } else {
- // Add new value at the end
- $data[] = $value;
+ // Figure out type, do recursive calls, and do boolean transform if necessary
+ $defaultType = 'array';
+ $maxKey = -1;
+ foreach ( $data as $k => &$v ) {
+ $v = is_array( $v ) ? self::applyTransformations( $v, $transforms ) : $v;
+ if ( $boolKeys !== null && is_bool( $v ) && !isset( $boolKeys[$k] ) ) {
+ if ( !$v ) {
+ unset( $data[$k] );
+ continue;
+ }
+ $v = '';
+ }
+ if ( is_string( $k ) ) {
+ $defaultType = 'assoc';
+ } elseif ( $k > $maxKey ) {
+ $maxKey = $k;
}
- } else {
- // Add named element
- self::setElement( $data, $name, $value, $flags );
}
+ unset( $v );
- return true;
+ // Determine which metadata to keep
+ switch ( $strip ) {
+ case 'all':
+ case 'base':
+ $keepMetadata = array();
+ break;
+ case 'none':
+ $keepMetadata = &$metadata;
+ break;
+ case 'bc':
+ $keepMetadata = array_intersect_key( $metadata, array(
+ self::META_INDEXED_TAG_NAME => 1,
+ self::META_SUBELEMENTS => 1,
+ ) );
+ break;
+ default:
+ throw new InvalidArgumentException( __METHOD__ . ': Unknown value for "Strip"' );
+ }
+
+ // Type transformation
+ if ( $transformTypes !== null ) {
+ if ( $defaultType === 'array' && $maxKey !== count( $data ) - 1 ) {
+ $defaultType = 'assoc';
+ }
+
+ // Override type, if provided
+ $type = $defaultType;
+ if ( isset( $metadata[self::META_TYPE] ) && $metadata[self::META_TYPE] !== 'default' ) {
+ $type = $metadata[self::META_TYPE];
+ }
+ if ( ( $type === 'kvp' || $type === 'BCkvp' ) &&
+ empty( $transformTypes['ArmorKVP'] )
+ ) {
+ $type = 'assoc';
+ } elseif ( $type === 'BCarray' ) {
+ $type = 'array';
+ } elseif ( $type === 'BCassoc' ) {
+ $type = 'assoc';
+ }
+
+ // Apply transformation
+ switch ( $type ) {
+ case 'assoc':
+ $metadata[self::META_TYPE] = 'assoc';
+ $data += $keepMetadata;
+ return empty( $transformTypes['AssocAsObject'] ) ? $data : (object)$data;
+
+ case 'array':
+ ksort( $data );
+ $data = array_values( $data );
+ $metadata[self::META_TYPE] = 'array';
+ return $data + $keepMetadata;
+
+ case 'kvp':
+ case 'BCkvp':
+ $key = isset( $metadata[self::META_KVP_KEY_NAME] )
+ ? $metadata[self::META_KVP_KEY_NAME]
+ : $transformTypes['ArmorKVP'];
+ $valKey = isset( $transforms['BC'] ) ? '*' : 'value';
+ $assocAsObject = !empty( $transformTypes['AssocAsObject'] );
+
+ $ret = array();
+ foreach ( $data as $k => $v ) {
+ $item = array(
+ $key => $k,
+ $valKey => $v,
+ );
+ if ( $strip === 'none' ) {
+ $item += array(
+ self::META_PRESERVE_KEYS => array( $key ),
+ self::META_CONTENT => $valKey,
+ self::META_TYPE => 'assoc',
+ );
+ }
+ $ret[] = $assocAsObject ? (object)$item : $item;
+ }
+ $metadata[self::META_TYPE] = 'array';
+
+ return $ret + $keepMetadata;
+
+ default:
+ throw new UnexpectedValueException( "Unknown type '$type'" );
+ }
+ } else {
+ return $data + $keepMetadata;
+ }
}
/**
- * Add a parsed limit=max to the result.
+ * Recursively remove metadata keys from a data array or object
*
- * @param string $moduleName
- * @param int $limit
+ * Note this removes all potential metadata keys, not just the defined
+ * ones.
+ *
+ * @since 1.25
+ * @param array|object $data
+ * @return array|object
*/
- public function setParsedLimit( $moduleName, $limit ) {
- // Add value, allowing overwriting
- $this->addValue( 'limits', $moduleName, $limit, ApiResult::OVERRIDE );
+ public static function stripMetadata( $data ) {
+ if ( is_array( $data ) || is_object( $data ) ) {
+ $isObj = is_object( $data );
+ if ( $isObj ) {
+ $data = (array)$data;
+ }
+ $preserveKeys = isset( $data[self::META_PRESERVE_KEYS] )
+ ? (array)$data[self::META_PRESERVE_KEYS]
+ : array();
+ foreach ( $data as $k => $v ) {
+ if ( self::isMetadataKey( $k ) && !in_array( $k, $preserveKeys, true ) ) {
+ unset( $data[$k] );
+ } elseif ( is_array( $v ) || is_object( $v ) ) {
+ $data[$k] = self::stripMetadata( $v );
+ }
+ }
+ if ( $isObj ) {
+ $data = (object)$data;
+ }
+ }
+ return $data;
}
/**
- * Unset a value previously added to the result set.
- * Fails silently if the value isn't found.
- * For parameters, see addValue()
- * @param array|null $path
- * @param string $name
+ * Remove metadata keys from a data array or object, non-recursive
+ *
+ * Note this removes all potential metadata keys, not just the defined
+ * ones.
+ *
+ * @since 1.25
+ * @param array|object $data
+ * @param array &$metadata Store metadata here, if provided
+ * @return array|object
*/
- public function unsetValue( $path, $name ) {
- $data = &$this->mData;
- if ( $path !== null ) {
- foreach ( (array)$path as $p ) {
- if ( !isset( $data[$p] ) ) {
- return;
+ public static function stripMetadataNonRecursive( $data, &$metadata = null ) {
+ if ( !is_array( $metadata ) ) {
+ $metadata = array();
+ }
+ if ( is_array( $data ) || is_object( $data ) ) {
+ $isObj = is_object( $data );
+ if ( $isObj ) {
+ $data = (array)$data;
+ }
+ $preserveKeys = isset( $data[self::META_PRESERVE_KEYS] )
+ ? (array)$data[self::META_PRESERVE_KEYS]
+ : array();
+ foreach ( $data as $k => $v ) {
+ if ( self::isMetadataKey( $k ) && !in_array( $k, $preserveKeys, true ) ) {
+ $metadata[$k] = $v;
+ unset( $data[$k] );
}
- $data = &$data[$p];
+ }
+ if ( $isObj ) {
+ $data = (object)$data;
}
}
- $this->mSize -= self::size( $data[$name] );
- unset( $data[$name] );
+ return $data;
}
/**
- * Ensure all values in this result are valid UTF-8.
+ * 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.
+ * @note Once the deprecated public self::size is removed, we can rename this back to a less awkward name.
+ * @param mixed $value
+ * @return int
*/
- public function cleanUpUTF8() {
- array_walk_recursive( $this->mData, array( 'ApiResult', 'cleanUp_helper' ) );
+ private static function valueSize( $value ) {
+ $s = 0;
+ if ( is_array( $value ) ||
+ is_object( $value ) && !is_callable( array( $value, '__toString' ) )
+ ) {
+ foreach ( $value as $k => $v ) {
+ if ( !self::isMetadataKey( $s ) ) {
+ $s += self::valueSize( $v );
+ }
+ }
+ } elseif ( is_scalar( $value ) ) {
+ $s = strlen( $value );
+ }
+
+ return $s;
}
/**
- * Callback function for cleanUpUTF8()
+ * Return a reference to the internal data at $path
*
- * @param string $s
+ * @param array|string|null $path
+ * @param string $create
+ * If 'append', append empty arrays.
+ * If 'prepend', prepend empty arrays.
+ * If 'dummy', return a dummy array.
+ * Else, raise an error.
+ * @return array
*/
- private static function cleanUp_helper( &$s ) {
- if ( !is_string( $s ) ) {
- return;
+ private function &path( $path, $create = 'append' ) {
+ $path = (array)$path;
+ $ret = &$this->data;
+ foreach ( $path as $i => $k ) {
+ if ( !isset( $ret[$k] ) ) {
+ switch ( $create ) {
+ case 'append':
+ $ret[$k] = array();
+ break;
+ case 'prepend':
+ $ret = array( $k => array() ) + $ret;
+ break;
+ case 'dummy':
+ $tmp = array();
+ return $tmp;
+ default:
+ $fail = join( '.', array_slice( $path, 0, $i + 1 ) );
+ throw new InvalidArgumentException( "Path $fail does not exist" );
+ }
+ }
+ if ( !is_array( $ret[$k] ) ) {
+ $fail = join( '.', array_slice( $path, 0, $i + 1 ) );
+ throw new InvalidArgumentException( "Path $fail is not an array" );
+ }
+ $ret = &$ret[$k];
}
- global $wgContLang;
- $s = $wgContLang->normalize( $s );
+ return $ret;
}
+ /**@}*/
+
+ /************************************************************************//**
+ * @name Deprecated
+ * @{
+ */
+
/**
- * Converts a Status object to an array suitable for addValue
- * @param Status $status
- * @param string $errorType
+ * Call this function when special elements such as '_element'
+ * are needed by the formatter, for example in XML printing.
+ * @deprecated since 1.25, you shouldn't have been using it in the first place
+ * @since 1.23 $flag parameter added
+ * @param bool $flag Set the raw mode flag to this state
+ */
+ public function setRawMode( $flag = true ) {
+ // Can't wfDeprecated() here, since we need to set this flag from
+ // ApiMain for BC with stuff using self::getIsRawMode as
+ // "self::getIsXMLMode".
+ $this->isRawMode = $flag;
+ }
+
+ /**
+ * Returns true whether the formatter requested raw data.
+ * @deprecated since 1.25, you shouldn't have been using it in the first place
+ * @return bool
+ */
+ public function getIsRawMode() {
+ /// @todo: After Wikibase stops calling this, warn
+ return $this->isRawMode;
+ }
+
+ /**
+ * Get the result's internal data array (read-only)
+ * @deprecated since 1.25, use $this->getResultData() instead
* @return array
*/
- public function convertStatusToArray( $status, $errorType = 'error' ) {
- if ( $status->isGood() ) {
- return array();
+ public function getData() {
+ wfDeprecated( __METHOD__, '1.25' );
+ return $this->getResultData( null, array(
+ 'BC' => array(),
+ 'Types' => array(),
+ 'Strip' => $this->isRawMode ? 'bc' : 'all',
+ ) );
+ }
+
+ /**
+ * 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)
+ * @deprecated since 1.24, use ApiResult::NO_SIZE_CHECK
+ */
+ public function disableSizeCheck() {
+ wfDeprecated( __METHOD__, '1.24' );
+ $this->checkingSize = false;
+ }
+
+ /**
+ * Re-enable size checking in addValue()
+ * @deprecated since 1.24, use ApiResult::NO_SIZE_CHECK
+ */
+ public function enableSizeCheck() {
+ wfDeprecated( __METHOD__, '1.24' );
+ $this->checkingSize = true;
+ }
+
+ /**
+ * Alias for self::setValue()
+ *
+ * @since 1.21 int $flags replaced boolean $override
+ * @deprecated since 1.25, use self::setValue() instead
+ * @param array $arr To add $value to
+ * @param string $name Index of $arr to add $value at
+ * @param mixed $value
+ * @param int $flags Zero or more OR-ed flags like OVERRIDE | ADD_ON_TOP.
+ * This parameter used to be boolean, and the value of OVERRIDE=1 was
+ * specifically chosen so that it would be backwards compatible with the
+ * new method signature.
+ */
+ public static function setElement( &$arr, $name, $value, $flags = 0 ) {
+ wfDeprecated( __METHOD__, '1.25' );
+ return self::setValue( $arr, $name, $value, $flags );
+ }
+
+ /**
+ * Adds a content element to an array.
+ * Use this function instead of hardcoding the '*' element.
+ * @deprecated since 1.25, use self::setContentValue() instead
+ * @param array $arr To add the content element to
+ * @param mixed $value
+ * @param string $subElemName 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 ) {
+ wfDeprecated( __METHOD__, '1.25' );
+ if ( is_array( $value ) ) {
+ throw new InvalidArgumentException( __METHOD__ . ': Bad parameter' );
}
+ if ( is_null( $subElemName ) ) {
+ self::setContentValue( $arr, 'content', $value );
+ } else {
+ if ( !isset( $arr[$subElemName] ) ) {
+ $arr[$subElemName] = array();
+ }
+ self::setContentValue( $arr[$subElemName], 'content', $value );
+ }
+ }
- $result = array();
- foreach ( $status->getErrorsByType( $errorType ) as $error ) {
- $this->setIndexedTagName( $error['params'], 'param' );
- $result[] = $error;
+ /**
+ * Set indexed tag name on all subarrays of $arr
+ *
+ * Does not set the tag name for $arr itself.
+ *
+ * @deprecated since 1.25, use self::setIndexedTagNameRecursive() instead
+ * @param array $arr
+ * @param string $tag Tag name
+ */
+ public function setIndexedTagName_recursive( &$arr, $tag ) {
+ wfDeprecated( __METHOD__, '1.25' );
+ if ( !is_array( $arr ) ) {
+ return;
}
- $this->setIndexedTagName( $result, $errorType );
+ if ( !is_string( $tag ) ) {
+ throw new InvalidArgumentException( 'Bad tag name' );
+ }
+ foreach ( $arr as $k => &$v ) {
+ if ( !self::isMetadataKey( $k ) && is_array( $v ) ) {
+ $v[self::META_INDEXED_TAG_NAME] = $tag;
+ $this->setIndexedTagName_recursive( $v, $tag );
+ }
+ }
+ }
- return $result;
+ /**
+ * Alias for self::addIndexedTagName()
+ * @deprecated since 1.25, use $this->addIndexedTagName() instead
+ * @param array $path Path to the array, like addValue()'s $path
+ * @param string $tag
+ */
+ public function setIndexedTagName_internal( $path, $tag ) {
+ wfDeprecated( __METHOD__, '1.25' );
+ $this->addIndexedTagName( $path, $tag );
+ }
+
+ /**
+ * Alias for self::addParsedLimit()
+ * @deprecated since 1.25, use $this->addParsedLimit() instead
+ * @param string $moduleName
+ * @param int $limit
+ */
+ public function setParsedLimit( $moduleName, $limit ) {
+ wfDeprecated( __METHOD__, '1.25' );
+ $this->addParsedLimit( $moduleName, $limit );
}
- public function execute() {
- ApiBase::dieDebug( __METHOD__, 'execute() is not supported on Result object' );
+ /**
+ * Set the ApiMain for use by $this->beginContinuation()
+ * @since 1.25
+ * @deprecated for backwards compatibility only, do not use
+ * @param ApiMain $main
+ */
+ public function setMainForContinuation( ApiMain $main ) {
+ $this->mainForContinuation = $main;
}
/**
@@ -460,172 +1267,148 @@ class ApiResult extends ApiBase {
* This must be balanced by a call to endContinuation().
*
* @since 1.24
- * @param string|null $continue The "continue" parameter, if any
- * @param ApiBase[] $allModules Contains ApiBase instances that will be executed
- * @param array $generatedModules Names of modules that depend on the generator
- * @return array Two elements: a boolean indicating if the generator is done,
- * and an array of modules to actually execute.
+ * @deprecated since 1.25, use ApiContinuationManager instead
+ * @param string|null $continue
+ * @param ApiBase[] $allModules
+ * @param array $generatedModules
+ * @return array
*/
public function beginContinuation(
$continue, array $allModules = array(), array $generatedModules = array()
) {
- $this->continueGeneratedModules = $generatedModules
- ? array_combine( $generatedModules, $generatedModules )
- : array();
- $this->continuationData = array();
- $this->generatorContinuationData = array();
- $this->generatorParams = array();
-
- $skip = array();
- if ( is_string( $continue ) && $continue !== '' ) {
- $continue = explode( '||', $continue );
- $this->dieContinueUsageIf( count( $continue ) !== 2 );
- $this->generatorDone = ( $continue[0] === '-' );
- if ( !$this->generatorDone ) {
- $this->generatorParams = explode( '|', $continue[0] );
- }
- $skip = explode( '|', $continue[1] );
- }
-
- $this->continueAllModules = array();
- $runModules = array();
- foreach ( $allModules as $module ) {
- $name = $module->getModuleName();
- if ( in_array( $name, $skip ) ) {
- $this->continueAllModules[$name] = false;
- // Prevent spurious "unused parameter" warnings
- $module->extractRequestParams();
- } else {
- $this->continueAllModules[$name] = true;
- $runModules[] = $module;
- }
+ wfDeprecated( __METHOD__, '1.25' );
+ if ( $this->mainForContinuation->getContinuationManager() ) {
+ throw new UnexpectedValueException(
+ __METHOD__ . ': Continuation already in progress from ' .
+ $this->mainForContinuation->getContinuationManager()->getSource()
+ );
+ }
+
+ // Ugh. If $continue doesn't match that in the request, temporarily
+ // replace the request when creating the ApiContinuationManager.
+ if ( $continue === null ) {
+ $continue = '';
}
+ if ( $this->mainForContinuation->getVal( 'continue', '' ) !== $continue ) {
+ $oldCtx = $this->mainForContinuation->getContext();
+ $newCtx = new DerivativeContext( $oldCtx );
+ $newCtx->setRequest( new DerivativeRequest(
+ $oldCtx->getRequest(),
+ array( 'continue' => $continue ) + $oldCtx->getRequest()->getValues(),
+ $oldCtx->getRequest()->wasPosted()
+ ) );
+ $this->mainForContinuation->setContext( $newCtx );
+ $reset = new ScopedCallback(
+ array( $this->mainForContinuation, 'setContext' ),
+ array( $oldCtx )
+ );
+ }
+ $manager = new ApiContinuationManager(
+ $this->mainForContinuation, $allModules, $generatedModules
+ );
+ $reset = null;
+
+ $this->mainForContinuation->setContinuationManager( $manager );
return array(
- $this->generatorDone,
- $runModules,
+ $manager->isGeneratorDone(),
+ $manager->getRunModules(),
);
}
/**
- * Set the continuation parameter for a module
- *
* @since 1.24
+ * @deprecated since 1.25, use ApiContinuationManager instead
* @param ApiBase $module
* @param string $paramName
* @param string|array $paramValue
*/
public function setContinueParam( ApiBase $module, $paramName, $paramValue ) {
- $name = $module->getModuleName();
- if ( !isset( $this->continueAllModules[$name] ) ) {
- throw new MWException(
- "Module '$name' called ApiResult::setContinueParam but was not " .
- 'passed to ApiResult::beginContinuation'
- );
- }
- if ( !$this->continueAllModules[$name] ) {
- throw new MWException(
- "Module '$name' was not supposed to have been executed, but " .
- 'it was executed anyway'
+ wfDeprecated( __METHOD__, '1.25' );
+ if ( $this->mainForContinuation->getContinuationManager() ) {
+ $this->mainForContinuation->getContinuationManager()->addContinueParam(
+ $module, $paramName, $paramValue
);
}
- $paramName = $module->encodeParamName( $paramName );
- if ( is_array( $paramValue ) ) {
- $paramValue = join( '|', $paramValue );
- }
- $this->continuationData[$name][$paramName] = $paramValue;
}
/**
- * Set the continuation parameter for the generator module
- *
* @since 1.24
+ * @deprecated since 1.25, use ApiContinuationManager instead
* @param ApiBase $module
* @param string $paramName
* @param string|array $paramValue
*/
public function setGeneratorContinueParam( ApiBase $module, $paramName, $paramValue ) {
- $name = $module->getModuleName();
- $paramName = $module->encodeParamName( $paramName );
- if ( is_array( $paramValue ) ) {
- $paramValue = join( '|', $paramValue );
+ wfDeprecated( __METHOD__, '1.25' );
+ if ( $this->mainForContinuation->getContinuationManager() ) {
+ $this->mainForContinuation->getContinuationManager()->addGeneratorContinueParam(
+ $module, $paramName, $paramValue
+ );
}
- $this->generatorContinuationData[$name][$paramName] = $paramValue;
}
/**
* Close continuation, writing the data into the result
- *
* @since 1.24
+ * @deprecated since 1.25, use ApiContinuationManager instead
* @param string $style 'standard' for the new style since 1.21, 'raw' for
* the style used in 1.20 and earlier.
*/
public function endContinuation( $style = 'standard' ) {
+ wfDeprecated( __METHOD__, '1.25' );
+ if ( !$this->mainForContinuation->getContinuationManager() ) {
+ return;
+ }
+
if ( $style === 'raw' ) {
- $key = 'query-continue';
- $data = array_merge_recursive(
- $this->continuationData, $this->generatorContinuationData
- );
+ $data = $this->mainForContinuation->getContinuationManager()->getRawContinuation();
+ if ( $data ) {
+ $this->addValue( null, 'query-continue', $data, self::ADD_ON_TOP | self::NO_SIZE_CHECK );
+ }
} else {
- $key = 'continue';
- $data = array();
-
- $finishedModules = array_diff(
- array_keys( $this->continueAllModules ),
- array_keys( $this->continuationData )
- );
+ $this->mainForContinuation->getContinuationManager()->setContinuationIntoResult( $this );
+ }
+ }
- // First, grab the non-generator-using continuation data
- $continuationData = array_diff_key(
- $this->continuationData, $this->continueGeneratedModules
- );
- foreach ( $continuationData as $module => $kvp ) {
- $data += $kvp;
- }
+ /**
+ * No-op, this is now checked on insert.
+ * @deprecated since 1.25
+ */
+ public function cleanUpUTF8() {
+ wfDeprecated( __METHOD__, '1.25' );
+ }
- // Next, handle the generator-using continuation data
- $continuationData = array_intersect_key(
- $this->continuationData, $this->continueGeneratedModules
- );
- if ( $continuationData ) {
- // Some modules are unfinished: include those params, and copy
- // the generator params.
- foreach ( $continuationData as $module => $kvp ) {
- $data += $kvp;
- }
- $data += array_intersect_key(
- $this->getMain()->getRequest()->getValues(),
- array_flip( $this->generatorParams )
- );
- } elseif ( $this->generatorContinuationData ) {
- // All the generator-using modules are complete, but the
- // generator isn't. Continue the generator and restart the
- // generator-using modules
- $this->generatorParams = array();
- foreach ( $this->generatorContinuationData as $kvp ) {
- $this->generatorParams = array_merge(
- $this->generatorParams, array_keys( $kvp )
- );
- $data += $kvp;
- }
- $finishedModules = array_diff(
- $finishedModules, $this->continueGeneratedModules
- );
- } else {
- // Generator and prop modules are all done. Mark it so.
- $this->generatorDone = true;
- }
+ /**
+ * 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.
+ * @deprecated since 1.25, no external users known and there doesn't seem
+ * to be any case for such use over just checking the return value from the
+ * add/set methods.
+ * @param mixed $value
+ * @return int
+ */
+ public static function size( $value ) {
+ wfDeprecated( __METHOD__, '1.25' );
+ return self::valueSize( $value );
+ }
- // Set 'continue' if any continuation data is set or if the generator
- // still needs to run
- if ( $data || !$this->generatorDone ) {
- $data['continue'] =
- ( $this->generatorDone ? '-' : join( '|', $this->generatorParams ) ) .
- '||' . join( '|', $finishedModules );
- }
- }
- if ( $data ) {
- $this->addValue( null, $key, $data, ApiResult::ADD_ON_TOP | ApiResult::NO_SIZE_CHECK );
- }
+ /**
+ * Converts a Status object to an array suitable for addValue
+ * @deprecated since 1.25, use ApiErrorFormatter::arrayFromStatus()
+ * @param Status $status
+ * @param string $errorType
+ * @return array
+ */
+ public function convertStatusToArray( $status, $errorType = 'error' ) {
+ wfDeprecated( __METHOD__, '1.25' );
+ return $this->errorFormatter->arrayFromStatus( $status, $errorType );
}
+
+ /**@}*/
}
+
+/**
+ * For really cool vim folding this needs to be at the end:
+ * vim: foldmarker=@{,@} foldmethod=marker
+ */
generated by cgit v1.2.2 (git 2.25.0) at 2024-04-18 21:01:51 +0000