1. class
  2. Symfony
  3. Component
  4. CssSelector
  5. XPath
  6. Translator

Translator

class Translator implements TranslatorInterface

XPath expression translator interface.

This component is a port of the Python cssselect library, which is copyright Ian Bicking, see https://github.com/SimonSapin/cssselect.

Methods

__construct(ParserInterface $parser = null)

Constructor.

static string
getXpathLiteral(string $element)

No description

string
cssToXPath(string $cssExpr, string $prefix = 'descendant-or-self::')

Translates a CSS selector to an XPath expression.

string
selectorToXPath(SelectorNode $selector, string $prefix = 'descendant-or-self::')

Translates a parsed selector node to an XPath expression.

Translator
registerExtension(ExtensionInterface $extension)

Registers an extension.

ExtensionInterface
getExtension(string $name)

No description

Translator
registerParserShortcut(ParserInterface $shortcut)

Registers a shortcut parser.

XPathExpr
nodeToXPath(NodeInterface $node)

No description

XPathExpr
addCombination(string $combiner, NodeInterface $xpath, NodeInterface $combinedXpath)

No description

XPathExpr
addFunction(XPathExpr $xpath, FunctionNode $function)

No description

XPathExpr
addPseudoClass(XPathExpr $xpath, string $pseudoClass)

No description

XPathExpr
addAttributeMatching(XPathExpr $xpath, string $operator, string $attribute, string $value)

No description

Details

at line line 76
__construct(ParserInterface $parser = null)

Constructor.

Parameters

ParserInterface $parser

at line line 94
static string getXpathLiteral(string $element)

Parameters

string $element

Return Value

string

at line line 123
string cssToXPath(string $cssExpr, string $prefix = 'descendant-or-self::')

Translates a CSS selector to an XPath expression.

Parameters

string $cssExpr
string $prefix

Return Value

string

at line line 142
string selectorToXPath(SelectorNode $selector, string $prefix = 'descendant-or-self::')

Translates a parsed selector node to an XPath expression.

Parameters

SelectorNode $selector
string $prefix

Return Value

string

at line line 154
Translator registerExtension(ExtensionInterface $extension)

Registers an extension.

Parameters

ExtensionInterface $extension

Return Value

Translator

at line line 174
ExtensionInterface getExtension(string $name)

Parameters

string $name

Return Value

ExtensionInterface

Exceptions

ExpressionErrorException

at line line 190
Translator registerParserShortcut(ParserInterface $shortcut)

Registers a shortcut parser.

Parameters

ParserInterface $shortcut

Return Value

Translator

at line line 204
XPathExpr nodeToXPath(NodeInterface $node)

Parameters

NodeInterface $node

Return Value

XPathExpr

Exceptions

ExpressionErrorException

at line line 222
XPathExpr addCombination(string $combiner, NodeInterface $xpath, NodeInterface $combinedXpath)

Parameters

string $combiner
NodeInterface $xpath
NodeInterface $combinedXpath

Return Value

XPathExpr

Exceptions

ExpressionErrorException

at line line 239
XPathExpr addFunction(XPathExpr $xpath, FunctionNode $function)

Parameters

XPathExpr $xpath
FunctionNode $function

Return Value

XPathExpr

Exceptions

ExpressionErrorException

at line line 256
XPathExpr addPseudoClass(XPathExpr $xpath, string $pseudoClass)

Parameters

XPathExpr $xpath
string $pseudoClass

Return Value

XPathExpr

Exceptions

ExpressionErrorException

at line line 275
XPathExpr addAttributeMatching(XPathExpr $xpath, string $operator, string $attribute, string $value)

Parameters

XPathExpr $xpath
string $operator
string $attribute
string $value

Return Value

XPathExpr

Exceptions

ExpressionErrorException