Class yii\db\sqlite\SqlTokenizer

Inheritanceyii\db\sqlite\SqlTokenizer » yii\db\SqlTokenizer » yii\base\Component » yii\base\BaseObject
Implementsyii\base\Configurable
Available since version2.0.13
Source Code https://github.com/yiisoft/yii2/blob/master/framework/db/sqlite/SqlTokenizer.php

SqlTokenizer splits SQLite query into individual SQL tokens.

It's used to obtain a CHECK constraint information from a CREATE TABLE SQL code.

See also:

Public Properties

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PropertyTypeDescriptionDefined By
$sql string SQL code. yii\db\SqlTokenizer

Protected Properties

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PropertyTypeDescriptionDefined By
$length integer SQL code string length. yii\db\SqlTokenizer
$offset integer SQL code string current offset. yii\db\SqlTokenizer

Public Methods

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MethodDescriptionDefined By
__call() Calls the named method which is not a class method. yii\base\Component
__clone() This method is called after the object is created by cloning an existing one. yii\base\Component
__construct() Constructor. yii\base\BaseObject
__get() Returns the value of a component property. yii\base\Component
__isset() Checks if a property is set, i.e. defined and not null. yii\base\Component
__set() Sets the value of a component property. yii\base\Component
__unset() Sets a component property to be null. yii\base\Component
attachBehavior() Attaches a behavior to this component. yii\base\Component
attachBehaviors() Attaches a list of behaviors to the component. yii\base\Component
behaviors() Returns a list of behaviors that this component should behave as. yii\base\Component
canGetProperty() Returns a value indicating whether a property can be read. yii\base\Component
canSetProperty() Returns a value indicating whether a property can be set. yii\base\Component
className() Returns the fully qualified name of this class. yii\base\BaseObject
detachBehavior() Detaches a behavior from the component. yii\base\Component
detachBehaviors() Detaches all behaviors from the component. yii\base\Component
ensureBehaviors() Makes sure that the behaviors declared in behaviors() are attached to this component. yii\base\Component
getBehavior() Returns the named behavior object. yii\base\Component
getBehaviors() Returns all behaviors attached to this component. yii\base\Component
hasEventHandlers() Returns a value indicating whether there is any handler attached to the named event. yii\base\Component
hasMethod() Returns a value indicating whether a method is defined. yii\base\Component
hasProperty() Returns a value indicating whether a property is defined for this component. yii\base\Component
init() Initializes the object. yii\base\BaseObject
off() Detaches an existing event handler from this component. yii\base\Component
on() Attaches an event handler to an event. yii\base\Component
tokenize() Tokenizes and returns a code type token. yii\db\SqlTokenizer
trigger() Triggers an event. yii\base\Component

Protected Methods

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MethodDescriptionDefined By
indexAfter() Returns an index after the given string in the SQL code starting with the specified offset. yii\db\SqlTokenizer
isComment() Returns whether there's a commentary at the current offset. yii\db\sqlite\SqlTokenizer
isIdentifier() Returns whether there's an identifier at the current offset. yii\db\sqlite\SqlTokenizer
isKeyword() Returns whether the given string is a keyword. yii\db\sqlite\SqlTokenizer
isOperator() Returns whether there's an operator at the current offset. yii\db\sqlite\SqlTokenizer
isStringLiteral() Returns whether there's a string literal at the current offset. yii\db\sqlite\SqlTokenizer
isWhitespace() Returns whether there's a whitespace at the current offset. yii\db\sqlite\SqlTokenizer
startsWithAnyLongest() Returns whether the longest common prefix equals to the SQL code of the same length at the current offset. yii\db\SqlTokenizer
substring() Returns a string of the given length starting with the specified offset. yii\db\SqlTokenizer

Method Details

isComment() protected method

Returns whether there's a commentary at the current offset.

If this methos returns true, it has to set the $length parameter to the length of the matched string.

protected boolean isComment ( &$length )
$length integer

Length of the matched string.

return boolean

Whether there's a commentary at the current offset.

isIdentifier() protected method

Returns whether there's an identifier at the current offset.

If this methos returns true, it has to set the $length parameter to the length of the matched string. It may also set $content to a string that will be used as a token content.

protected boolean isIdentifier ( &$length, &$content )
$length integer

Length of the matched string.

$content string

Optional content instead of the matched string.

return boolean

Whether there's an identifier at the current offset.

isKeyword() protected method

Returns whether the given string is a keyword.

The method may set $content to a string that will be used as a token content.

protected boolean isKeyword ( $string, &$content )
$string string

String to be matched.

$content string

Optional content instead of the matched string.

return boolean

Whether the given string is a keyword.

isOperator() protected method

Returns whether there's an operator at the current offset.

If this methos returns true, it has to set the $length parameter to the length of the matched string. It may also set $content to a string that will be used as a token content.

protected boolean isOperator ( &$length, &$content )
$length integer

Length of the matched string.

$content string

Optional content instead of the matched string.

return boolean

Whether there's an operator at the current offset.

isStringLiteral() protected method

Returns whether there's a string literal at the current offset.

If this methos returns true, it has to set the $length parameter to the length of the matched string. It may also set $content to a string that will be used as a token content.

protected boolean isStringLiteral ( &$length, &$content )
$length integer

Length of the matched string.

$content string

Optional content instead of the matched string.

return boolean

Whether there's a string literal at the current offset.

isWhitespace() protected method

Returns whether there's a whitespace at the current offset.

If this methos returns true, it has to set the $length parameter to the length of the matched string.

protected boolean isWhitespace ( &$length )
$length integer

Length of the matched string.

return boolean

Whether there's a whitespace at the current offset.