/vendor/symfony/css-selector/XPath/Extension/AttributeMatchingExtension.php |
@@ -0,0 +1,175 @@ |
<?php |
|
/* |
* This file is part of the Symfony package. |
* |
* (c) Fabien Potencier <fabien@symfony.com> |
* |
* For the full copyright and license information, please view the LICENSE |
* file that was distributed with this source code. |
*/ |
|
namespace Symfony\Component\CssSelector\XPath\Extension; |
|
use Symfony\Component\CssSelector\XPath\Translator; |
use Symfony\Component\CssSelector\XPath\XPathExpr; |
|
/** |
* XPath expression translator attribute extension. |
* |
* This component is a port of the Python cssselect library, |
* which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect. |
* |
* @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com> |
* |
* @internal |
*/ |
class AttributeMatchingExtension extends AbstractExtension |
{ |
/** |
* {@inheritdoc} |
*/ |
public function getAttributeMatchingTranslators() |
{ |
return array( |
'exists' => array($this, 'translateExists'), |
'=' => array($this, 'translateEquals'), |
'~=' => array($this, 'translateIncludes'), |
'|=' => array($this, 'translateDashMatch'), |
'^=' => array($this, 'translatePrefixMatch'), |
'$=' => array($this, 'translateSuffixMatch'), |
'*=' => array($this, 'translateSubstringMatch'), |
'!=' => array($this, 'translateDifferent'), |
); |
} |
|
/** |
* @param XPathExpr $xpath |
* @param string $attribute |
* @param string $value |
* |
* @return XPathExpr |
*/ |
public function translateExists(XPathExpr $xpath, $attribute, $value) |
{ |
return $xpath->addCondition($attribute); |
} |
|
/** |
* @param XPathExpr $xpath |
* @param string $attribute |
* @param string $value |
* |
* @return XPathExpr |
*/ |
public function translateEquals(XPathExpr $xpath, $attribute, $value) |
{ |
return $xpath->addCondition(sprintf('%s = %s', $attribute, Translator::getXpathLiteral($value))); |
} |
|
/** |
* @param XPathExpr $xpath |
* @param string $attribute |
* @param string $value |
* |
* @return XPathExpr |
*/ |
public function translateIncludes(XPathExpr $xpath, $attribute, $value) |
{ |
return $xpath->addCondition($value ? sprintf( |
'%1$s and contains(concat(\' \', normalize-space(%1$s), \' \'), %2$s)', |
$attribute, |
Translator::getXpathLiteral(' '.$value.' ') |
) : '0'); |
} |
|
/** |
* @param XPathExpr $xpath |
* @param string $attribute |
* @param string $value |
* |
* @return XPathExpr |
*/ |
public function translateDashMatch(XPathExpr $xpath, $attribute, $value) |
{ |
return $xpath->addCondition(sprintf( |
'%1$s and (%1$s = %2$s or starts-with(%1$s, %3$s))', |
$attribute, |
Translator::getXpathLiteral($value), |
Translator::getXpathLiteral($value.'-') |
)); |
} |
|
/** |
* @param XPathExpr $xpath |
* @param string $attribute |
* @param string $value |
* |
* @return XPathExpr |
*/ |
public function translatePrefixMatch(XPathExpr $xpath, $attribute, $value) |
{ |
return $xpath->addCondition($value ? sprintf( |
'%1$s and starts-with(%1$s, %2$s)', |
$attribute, |
Translator::getXpathLiteral($value) |
) : '0'); |
} |
|
/** |
* @param XPathExpr $xpath |
* @param string $attribute |
* @param string $value |
* |
* @return XPathExpr |
*/ |
public function translateSuffixMatch(XPathExpr $xpath, $attribute, $value) |
{ |
return $xpath->addCondition($value ? sprintf( |
'%1$s and substring(%1$s, string-length(%1$s)-%2$s) = %3$s', |
$attribute, |
strlen($value) - 1, |
Translator::getXpathLiteral($value) |
) : '0'); |
} |
|
/** |
* @param XPathExpr $xpath |
* @param string $attribute |
* @param string $value |
* |
* @return XPathExpr |
*/ |
public function translateSubstringMatch(XPathExpr $xpath, $attribute, $value) |
{ |
return $xpath->addCondition($value ? sprintf( |
'%1$s and contains(%1$s, %2$s)', |
$attribute, |
Translator::getXpathLiteral($value) |
) : '0'); |
} |
|
/** |
* @param XPathExpr $xpath |
* @param string $attribute |
* @param string $value |
* |
* @return XPathExpr |
*/ |
public function translateDifferent(XPathExpr $xpath, $attribute, $value) |
{ |
return $xpath->addCondition(sprintf( |
$value ? 'not(%1$s) or %1$s != %2$s' : '%s != %s', |
$attribute, |
Translator::getXpathLiteral($value) |
)); |
} |
|
/** |
* {@inheritdoc} |
*/ |
public function getName() |
{ |
return 'attribute-matching'; |
} |
} |
/vendor/symfony/css-selector/XPath/Extension/CombinationExtension.php |
@@ -0,0 +1,95 @@ |
<?php |
|
/* |
* This file is part of the Symfony package. |
* |
* (c) Fabien Potencier <fabien@symfony.com> |
* |
* For the full copyright and license information, please view the LICENSE |
* file that was distributed with this source code. |
*/ |
|
namespace Symfony\Component\CssSelector\XPath\Extension; |
|
use Symfony\Component\CssSelector\XPath\XPathExpr; |
|
/** |
* XPath expression translator combination extension. |
* |
* This component is a port of the Python cssselect library, |
* which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect. |
* |
* @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com> |
* |
* @internal |
*/ |
class CombinationExtension extends AbstractExtension |
{ |
/** |
* {@inheritdoc} |
*/ |
public function getCombinationTranslators() |
{ |
return array( |
' ' => array($this, 'translateDescendant'), |
'>' => array($this, 'translateChild'), |
'+' => array($this, 'translateDirectAdjacent'), |
'~' => array($this, 'translateIndirectAdjacent'), |
); |
} |
|
/** |
* @param XPathExpr $xpath |
* @param XPathExpr $combinedXpath |
* |
* @return XPathExpr |
*/ |
public function translateDescendant(XPathExpr $xpath, XPathExpr $combinedXpath) |
{ |
return $xpath->join('/descendant-or-self::*/', $combinedXpath); |
} |
|
/** |
* @param XPathExpr $xpath |
* @param XPathExpr $combinedXpath |
* |
* @return XPathExpr |
*/ |
public function translateChild(XPathExpr $xpath, XPathExpr $combinedXpath) |
{ |
return $xpath->join('/', $combinedXpath); |
} |
|
/** |
* @param XPathExpr $xpath |
* @param XPathExpr $combinedXpath |
* |
* @return XPathExpr |
*/ |
public function translateDirectAdjacent(XPathExpr $xpath, XPathExpr $combinedXpath) |
{ |
return $xpath |
->join('/following-sibling::', $combinedXpath) |
->addNameTest() |
->addCondition('position() = 1'); |
} |
|
/** |
* @param XPathExpr $xpath |
* @param XPathExpr $combinedXpath |
* |
* @return XPathExpr |
*/ |
public function translateIndirectAdjacent(XPathExpr $xpath, XPathExpr $combinedXpath) |
{ |
return $xpath->join('/following-sibling::', $combinedXpath); |
} |
|
/** |
* {@inheritdoc} |
*/ |
public function getName() |
{ |
return 'combination'; |
} |
} |
/vendor/symfony/css-selector/XPath/Extension/FunctionExtension.php |
@@ -0,0 +1,211 @@ |
<?php |
|
/* |
* This file is part of the Symfony package. |
* |
* (c) Fabien Potencier <fabien@symfony.com> |
* |
* For the full copyright and license information, please view the LICENSE |
* file that was distributed with this source code. |
*/ |
|
namespace Symfony\Component\CssSelector\XPath\Extension; |
|
use Symfony\Component\CssSelector\Exception\ExpressionErrorException; |
use Symfony\Component\CssSelector\Exception\SyntaxErrorException; |
use Symfony\Component\CssSelector\Node\FunctionNode; |
use Symfony\Component\CssSelector\Parser\Parser; |
use Symfony\Component\CssSelector\XPath\Translator; |
use Symfony\Component\CssSelector\XPath\XPathExpr; |
|
/** |
* XPath expression translator function extension. |
* |
* This component is a port of the Python cssselect library, |
* which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect. |
* |
* @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com> |
* |
* @internal |
*/ |
class FunctionExtension extends AbstractExtension |
{ |
/** |
* {@inheritdoc} |
*/ |
public function getFunctionTranslators() |
{ |
return array( |
'nth-child' => array($this, 'translateNthChild'), |
'nth-last-child' => array($this, 'translateNthLastChild'), |
'nth-of-type' => array($this, 'translateNthOfType'), |
'nth-last-of-type' => array($this, 'translateNthLastOfType'), |
'contains' => array($this, 'translateContains'), |
'lang' => array($this, 'translateLang'), |
); |
} |
|
/** |
* @param XPathExpr $xpath |
* @param FunctionNode $function |
* @param bool $last |
* @param bool $addNameTest |
* |
* @return XPathExpr |
* |
* @throws ExpressionErrorException |
*/ |
public function translateNthChild(XPathExpr $xpath, FunctionNode $function, $last = false, $addNameTest = true) |
{ |
try { |
list($a, $b) = Parser::parseSeries($function->getArguments()); |
} catch (SyntaxErrorException $e) { |
throw new ExpressionErrorException(sprintf('Invalid series: %s', implode(', ', $function->getArguments())), 0, $e); |
} |
|
$xpath->addStarPrefix(); |
if ($addNameTest) { |
$xpath->addNameTest(); |
} |
|
if (0 === $a) { |
return $xpath->addCondition('position() = '.($last ? 'last() - '.($b - 1) : $b)); |
} |
|
if ($a < 0) { |
if ($b < 1) { |
return $xpath->addCondition('false()'); |
} |
|
$sign = '<='; |
} else { |
$sign = '>='; |
} |
|
$expr = 'position()'; |
|
if ($last) { |
$expr = 'last() - '.$expr; |
--$b; |
} |
|
if (0 !== $b) { |
$expr .= ' - '.$b; |
} |
|
$conditions = array(sprintf('%s %s 0', $expr, $sign)); |
|
if (1 !== $a && -1 !== $a) { |
$conditions[] = sprintf('(%s) mod %d = 0', $expr, $a); |
} |
|
return $xpath->addCondition(implode(' and ', $conditions)); |
|
// todo: handle an+b, odd, even |
// an+b means every-a, plus b, e.g., 2n+1 means odd |
// 0n+b means b |
// n+0 means a=1, i.e., all elements |
// an means every a elements, i.e., 2n means even |
// -n means -1n |
// -1n+6 means elements 6 and previous |
} |
|
/** |
* @param XPathExpr $xpath |
* @param FunctionNode $function |
* |
* @return XPathExpr |
*/ |
public function translateNthLastChild(XPathExpr $xpath, FunctionNode $function) |
{ |
return $this->translateNthChild($xpath, $function, true); |
} |
|
/** |
* @param XPathExpr $xpath |
* @param FunctionNode $function |
* |
* @return XPathExpr |
*/ |
public function translateNthOfType(XPathExpr $xpath, FunctionNode $function) |
{ |
return $this->translateNthChild($xpath, $function, false, false); |
} |
|
/** |
* @param XPathExpr $xpath |
* @param FunctionNode $function |
* |
* @return XPathExpr |
* |
* @throws ExpressionErrorException |
*/ |
public function translateNthLastOfType(XPathExpr $xpath, FunctionNode $function) |
{ |
if ('*' === $xpath->getElement()) { |
throw new ExpressionErrorException('"*:nth-of-type()" is not implemented.'); |
} |
|
return $this->translateNthChild($xpath, $function, true, false); |
} |
|
/** |
* @param XPathExpr $xpath |
* @param FunctionNode $function |
* |
* @return XPathExpr |
* |
* @throws ExpressionErrorException |
*/ |
public function translateContains(XPathExpr $xpath, FunctionNode $function) |
{ |
$arguments = $function->getArguments(); |
foreach ($arguments as $token) { |
if (!($token->isString() || $token->isIdentifier())) { |
throw new ExpressionErrorException( |
'Expected a single string or identifier for :contains(), got ' |
.implode(', ', $arguments) |
); |
} |
} |
|
return $xpath->addCondition(sprintf( |
'contains(string(.), %s)', |
Translator::getXpathLiteral($arguments[0]->getValue()) |
)); |
} |
|
/** |
* @param XPathExpr $xpath |
* @param FunctionNode $function |
* |
* @return XPathExpr |
* |
* @throws ExpressionErrorException |
*/ |
public function translateLang(XPathExpr $xpath, FunctionNode $function) |
{ |
$arguments = $function->getArguments(); |
foreach ($arguments as $token) { |
if (!($token->isString() || $token->isIdentifier())) { |
throw new ExpressionErrorException( |
'Expected a single string or identifier for :lang(), got ' |
.implode(', ', $arguments) |
); |
} |
} |
|
return $xpath->addCondition(sprintf( |
'lang(%s)', |
Translator::getXpathLiteral($arguments[0]->getValue()) |
)); |
} |
|
/** |
* {@inheritdoc} |
*/ |
public function getName() |
{ |
return 'function'; |
} |
} |
/vendor/symfony/css-selector/XPath/Extension/HtmlExtension.php |
@@ -0,0 +1,240 @@ |
<?php |
|
/* |
* This file is part of the Symfony package. |
* |
* (c) Fabien Potencier <fabien@symfony.com> |
* |
* For the full copyright and license information, please view the LICENSE |
* file that was distributed with this source code. |
*/ |
|
namespace Symfony\Component\CssSelector\XPath\Extension; |
|
use Symfony\Component\CssSelector\Exception\ExpressionErrorException; |
use Symfony\Component\CssSelector\Node\FunctionNode; |
use Symfony\Component\CssSelector\XPath\Translator; |
use Symfony\Component\CssSelector\XPath\XPathExpr; |
|
/** |
* XPath expression translator HTML extension. |
* |
* This component is a port of the Python cssselect library, |
* which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect. |
* |
* @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com> |
* |
* @internal |
*/ |
class HtmlExtension extends AbstractExtension |
{ |
/** |
* Constructor. |
* |
* @param Translator $translator |
*/ |
public function __construct(Translator $translator) |
{ |
$translator |
->getExtension('node') |
->setFlag(NodeExtension::ELEMENT_NAME_IN_LOWER_CASE, true) |
->setFlag(NodeExtension::ATTRIBUTE_NAME_IN_LOWER_CASE, true); |
} |
|
/** |
* {@inheritdoc} |
*/ |
public function getPseudoClassTranslators() |
{ |
return array( |
'checked' => array($this, 'translateChecked'), |
'link' => array($this, 'translateLink'), |
'disabled' => array($this, 'translateDisabled'), |
'enabled' => array($this, 'translateEnabled'), |
'selected' => array($this, 'translateSelected'), |
'invalid' => array($this, 'translateInvalid'), |
'hover' => array($this, 'translateHover'), |
'visited' => array($this, 'translateVisited'), |
); |
} |
|
/** |
* {@inheritdoc} |
*/ |
public function getFunctionTranslators() |
{ |
return array( |
'lang' => array($this, 'translateLang'), |
); |
} |
|
/** |
* @param XPathExpr $xpath |
* |
* @return XPathExpr |
*/ |
public function translateChecked(XPathExpr $xpath) |
{ |
return $xpath->addCondition( |
'(@checked ' |
."and (name(.) = 'input' or name(.) = 'command')" |
."and (@type = 'checkbox' or @type = 'radio'))" |
); |
} |
|
/** |
* @param XPathExpr $xpath |
* |
* @return XPathExpr |
*/ |
public function translateLink(XPathExpr $xpath) |
{ |
return $xpath->addCondition("@href and (name(.) = 'a' or name(.) = 'link' or name(.) = 'area')"); |
} |
|
/** |
* @param XPathExpr $xpath |
* |
* @return XPathExpr |
*/ |
public function translateDisabled(XPathExpr $xpath) |
{ |
return $xpath->addCondition( |
'(' |
.'@disabled and' |
.'(' |
."(name(.) = 'input' and @type != 'hidden')" |
." or name(.) = 'button'" |
." or name(.) = 'select'" |
." or name(.) = 'textarea'" |
." or name(.) = 'command'" |
." or name(.) = 'fieldset'" |
." or name(.) = 'optgroup'" |
." or name(.) = 'option'" |
.')' |
.') or (' |
."(name(.) = 'input' and @type != 'hidden')" |
." or name(.) = 'button'" |
." or name(.) = 'select'" |
." or name(.) = 'textarea'" |
.')' |
.' and ancestor::fieldset[@disabled]' |
); |
// todo: in the second half, add "and is not a descendant of that fieldset element's first legend element child, if any." |
} |
|
/** |
* @param XPathExpr $xpath |
* |
* @return XPathExpr |
*/ |
public function translateEnabled(XPathExpr $xpath) |
{ |
return $xpath->addCondition( |
'(' |
.'@href and (' |
."name(.) = 'a'" |
." or name(.) = 'link'" |
." or name(.) = 'area'" |
.')' |
.') or (' |
.'(' |
."name(.) = 'command'" |
." or name(.) = 'fieldset'" |
." or name(.) = 'optgroup'" |
.')' |
.' and not(@disabled)' |
.') or (' |
.'(' |
."(name(.) = 'input' and @type != 'hidden')" |
." or name(.) = 'button'" |
." or name(.) = 'select'" |
." or name(.) = 'textarea'" |
." or name(.) = 'keygen'" |
.')' |
.' and not (@disabled or ancestor::fieldset[@disabled])' |
.') or (' |
."name(.) = 'option' and not(" |
.'@disabled or ancestor::optgroup[@disabled]' |
.')' |
.')' |
); |
} |
|
/** |
* @param XPathExpr $xpath |
* @param FunctionNode $function |
* |
* @return XPathExpr |
* |
* @throws ExpressionErrorException |
*/ |
public function translateLang(XPathExpr $xpath, FunctionNode $function) |
{ |
$arguments = $function->getArguments(); |
foreach ($arguments as $token) { |
if (!($token->isString() || $token->isIdentifier())) { |
throw new ExpressionErrorException( |
'Expected a single string or identifier for :lang(), got ' |
.implode(', ', $arguments) |
); |
} |
} |
|
return $xpath->addCondition(sprintf( |
'ancestor-or-self::*[@lang][1][starts-with(concat(' |
."translate(@%s, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'), '-')" |
.', %s)]', |
'lang', |
Translator::getXpathLiteral(strtolower($arguments[0]->getValue()).'-') |
)); |
} |
|
/** |
* @param XPathExpr $xpath |
* |
* @return XPathExpr |
*/ |
public function translateSelected(XPathExpr $xpath) |
{ |
return $xpath->addCondition("(@selected and name(.) = 'option')"); |
} |
|
/** |
* @param XPathExpr $xpath |
* |
* @return XPathExpr |
*/ |
public function translateInvalid(XPathExpr $xpath) |
{ |
return $xpath->addCondition('0'); |
} |
|
/** |
* @param XPathExpr $xpath |
* |
* @return XPathExpr |
*/ |
public function translateHover(XPathExpr $xpath) |
{ |
return $xpath->addCondition('0'); |
} |
|
/** |
* @param XPathExpr $xpath |
* |
* @return XPathExpr |
*/ |
public function translateVisited(XPathExpr $xpath) |
{ |
return $xpath->addCondition('0'); |
} |
|
/** |
* {@inheritdoc} |
*/ |
public function getName() |
{ |
return 'html'; |
} |
} |
/vendor/symfony/css-selector/XPath/Extension/NodeExtension.php |
@@ -0,0 +1,273 @@ |
<?php |
|
/* |
* This file is part of the Symfony package. |
* |
* (c) Fabien Potencier <fabien@symfony.com> |
* |
* For the full copyright and license information, please view the LICENSE |
* file that was distributed with this source code. |
*/ |
|
namespace Symfony\Component\CssSelector\XPath\Extension; |
|
use Symfony\Component\CssSelector\Node; |
use Symfony\Component\CssSelector\XPath\Translator; |
use Symfony\Component\CssSelector\XPath\XPathExpr; |
|
/** |
* XPath expression translator node extension. |
* |
* This component is a port of the Python cssselect library, |
* which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect. |
* |
* @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com> |
* |
* @internal |
*/ |
class NodeExtension extends AbstractExtension |
{ |
const ELEMENT_NAME_IN_LOWER_CASE = 1; |
const ATTRIBUTE_NAME_IN_LOWER_CASE = 2; |
const ATTRIBUTE_VALUE_IN_LOWER_CASE = 4; |
|
/** |
* @var int |
*/ |
private $flags; |
|
/** |
* Constructor. |
* |
* @param int $flags |
*/ |
public function __construct($flags = 0) |
{ |
$this->flags = $flags; |
} |
|
/** |
* @param int $flag |
* @param bool $on |
* |
* @return $this |
*/ |
public function setFlag($flag, $on) |
{ |
if ($on && !$this->hasFlag($flag)) { |
$this->flags += $flag; |
} |
|
if (!$on && $this->hasFlag($flag)) { |
$this->flags -= $flag; |
} |
|
return $this; |
} |
|
/** |
* @param int $flag |
* |
* @return bool |
*/ |
public function hasFlag($flag) |
{ |
return $this->flags & $flag; |
} |
|
/** |
* {@inheritdoc} |
*/ |
public function getNodeTranslators() |
{ |
return array( |
'Selector' => array($this, 'translateSelector'), |
'CombinedSelector' => array($this, 'translateCombinedSelector'), |
'Negation' => array($this, 'translateNegation'), |
'Function' => array($this, 'translateFunction'), |
'Pseudo' => array($this, 'translatePseudo'), |
'Attribute' => array($this, 'translateAttribute'), |
'Class' => array($this, 'translateClass'), |
'Hash' => array($this, 'translateHash'), |
'Element' => array($this, 'translateElement'), |
); |
} |
|
/** |
* @param Node\SelectorNode $node |
* @param Translator $translator |
* |
* @return XPathExpr |
*/ |
public function translateSelector(Node\SelectorNode $node, Translator $translator) |
{ |
return $translator->nodeToXPath($node->getTree()); |
} |
|
/** |
* @param Node\CombinedSelectorNode $node |
* @param Translator $translator |
* |
* @return XPathExpr |
*/ |
public function translateCombinedSelector(Node\CombinedSelectorNode $node, Translator $translator) |
{ |
return $translator->addCombination($node->getCombinator(), $node->getSelector(), $node->getSubSelector()); |
} |
|
/** |
* @param Node\NegationNode $node |
* @param Translator $translator |
* |
* @return XPathExpr |
*/ |
public function translateNegation(Node\NegationNode $node, Translator $translator) |
{ |
$xpath = $translator->nodeToXPath($node->getSelector()); |
$subXpath = $translator->nodeToXPath($node->getSubSelector()); |
$subXpath->addNameTest(); |
|
if ($subXpath->getCondition()) { |
return $xpath->addCondition(sprintf('not(%s)', $subXpath->getCondition())); |
} |
|
return $xpath->addCondition('0'); |
} |
|
/** |
* @param Node\FunctionNode $node |
* @param Translator $translator |
* |
* @return XPathExpr |
*/ |
public function translateFunction(Node\FunctionNode $node, Translator $translator) |
{ |
$xpath = $translator->nodeToXPath($node->getSelector()); |
|
return $translator->addFunction($xpath, $node); |
} |
|
/** |
* @param Node\PseudoNode $node |
* @param Translator $translator |
* |
* @return XPathExpr |
*/ |
public function translatePseudo(Node\PseudoNode $node, Translator $translator) |
{ |
$xpath = $translator->nodeToXPath($node->getSelector()); |
|
return $translator->addPseudoClass($xpath, $node->getIdentifier()); |
} |
|
/** |
* @param Node\AttributeNode $node |
* @param Translator $translator |
* |
* @return XPathExpr |
*/ |
public function translateAttribute(Node\AttributeNode $node, Translator $translator) |
{ |
$name = $node->getAttribute(); |
$safe = $this->isSafeName($name); |
|
if ($this->hasFlag(self::ATTRIBUTE_NAME_IN_LOWER_CASE)) { |
$name = strtolower($name); |
} |
|
if ($node->getNamespace()) { |
$name = sprintf('%s:%s', $node->getNamespace(), $name); |
$safe = $safe && $this->isSafeName($node->getNamespace()); |
} |
|
$attribute = $safe ? '@'.$name : sprintf('attribute::*[name() = %s]', Translator::getXpathLiteral($name)); |
$value = $node->getValue(); |
$xpath = $translator->nodeToXPath($node->getSelector()); |
|
if ($this->hasFlag(self::ATTRIBUTE_VALUE_IN_LOWER_CASE)) { |
$value = strtolower($value); |
} |
|
return $translator->addAttributeMatching($xpath, $node->getOperator(), $attribute, $value); |
} |
|
/** |
* @param Node\ClassNode $node |
* @param Translator $translator |
* |
* @return XPathExpr |
*/ |
public function translateClass(Node\ClassNode $node, Translator $translator) |
{ |
$xpath = $translator->nodeToXPath($node->getSelector()); |
|
return $translator->addAttributeMatching($xpath, '~=', '@class', $node->getName()); |
} |
|
/** |
* @param Node\HashNode $node |
* @param Translator $translator |
* |
* @return XPathExpr |
*/ |
public function translateHash(Node\HashNode $node, Translator $translator) |
{ |
$xpath = $translator->nodeToXPath($node->getSelector()); |
|
return $translator->addAttributeMatching($xpath, '=', '@id', $node->getId()); |
} |
|
/** |
* @param Node\ElementNode $node |
* |
* @return XPathExpr |
*/ |
public function translateElement(Node\ElementNode $node) |
{ |
$element = $node->getElement(); |
|
if ($this->hasFlag(self::ELEMENT_NAME_IN_LOWER_CASE)) { |
$element = strtolower($element); |
} |
|
if ($element) { |
$safe = $this->isSafeName($element); |
} else { |
$element = '*'; |
$safe = true; |
} |
|
if ($node->getNamespace()) { |
$element = sprintf('%s:%s', $node->getNamespace(), $element); |
$safe = $safe && $this->isSafeName($node->getNamespace()); |
} |
|
$xpath = new XPathExpr('', $element); |
|
if (!$safe) { |
$xpath->addNameTest(); |
} |
|
return $xpath; |
} |
|
/** |
* {@inheritdoc} |
*/ |
public function getName() |
{ |
return 'node'; |
} |
|
/** |
* Tests if given name is safe. |
* |
* @param string $name |
* |
* @return bool |
*/ |
private function isSafeName($name) |
{ |
return 0 < preg_match('~^[a-zA-Z_][a-zA-Z0-9_.-]*$~', $name); |
} |
} |
/vendor/symfony/css-selector/XPath/Extension/PseudoClassExtension.php |
@@ -0,0 +1,164 @@ |
<?php |
|
/* |
* This file is part of the Symfony package. |
* |
* (c) Fabien Potencier <fabien@symfony.com> |
* |
* For the full copyright and license information, please view the LICENSE |
* file that was distributed with this source code. |
*/ |
|
namespace Symfony\Component\CssSelector\XPath\Extension; |
|
use Symfony\Component\CssSelector\Exception\ExpressionErrorException; |
use Symfony\Component\CssSelector\XPath\XPathExpr; |
|
/** |
* XPath expression translator pseudo-class extension. |
* |
* This component is a port of the Python cssselect library, |
* which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect. |
* |
* @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com> |
* |
* @internal |
*/ |
class PseudoClassExtension extends AbstractExtension |
{ |
/** |
* {@inheritdoc} |
*/ |
public function getPseudoClassTranslators() |
{ |
return array( |
'root' => array($this, 'translateRoot'), |
'first-child' => array($this, 'translateFirstChild'), |
'last-child' => array($this, 'translateLastChild'), |
'first-of-type' => array($this, 'translateFirstOfType'), |
'last-of-type' => array($this, 'translateLastOfType'), |
'only-child' => array($this, 'translateOnlyChild'), |
'only-of-type' => array($this, 'translateOnlyOfType'), |
'empty' => array($this, 'translateEmpty'), |
); |
} |
|
/** |
* @param XPathExpr $xpath |
* |
* @return XPathExpr |
*/ |
public function translateRoot(XPathExpr $xpath) |
{ |
return $xpath->addCondition('not(parent::*)'); |
} |
|
/** |
* @param XPathExpr $xpath |
* |
* @return XPathExpr |
*/ |
public function translateFirstChild(XPathExpr $xpath) |
{ |
return $xpath |
->addStarPrefix() |
->addNameTest() |
->addCondition('position() = 1'); |
} |
|
/** |
* @param XPathExpr $xpath |
* |
* @return XPathExpr |
*/ |
public function translateLastChild(XPathExpr $xpath) |
{ |
return $xpath |
->addStarPrefix() |
->addNameTest() |
->addCondition('position() = last()'); |
} |
|
/** |
* @param XPathExpr $xpath |
* |
* @return XPathExpr |
* |
* @throws ExpressionErrorException |
*/ |
public function translateFirstOfType(XPathExpr $xpath) |
{ |
if ('*' === $xpath->getElement()) { |
throw new ExpressionErrorException('"*:first-of-type" is not implemented.'); |
} |
|
return $xpath |
->addStarPrefix() |
->addCondition('position() = 1'); |
} |
|
/** |
* @param XPathExpr $xpath |
* |
* @return XPathExpr |
* |
* @throws ExpressionErrorException |
*/ |
public function translateLastOfType(XPathExpr $xpath) |
{ |
if ('*' === $xpath->getElement()) { |
throw new ExpressionErrorException('"*:last-of-type" is not implemented.'); |
} |
|
return $xpath |
->addStarPrefix() |
->addCondition('position() = last()'); |
} |
|
/** |
* @param XPathExpr $xpath |
* |
* @return XPathExpr |
*/ |
public function translateOnlyChild(XPathExpr $xpath) |
{ |
return $xpath |
->addStarPrefix() |
->addNameTest() |
->addCondition('last() = 1'); |
} |
|
/** |
* @param XPathExpr $xpath |
* |
* @return XPathExpr |
* |
* @throws ExpressionErrorException |
*/ |
public function translateOnlyOfType(XPathExpr $xpath) |
{ |
if ('*' === $xpath->getElement()) { |
throw new ExpressionErrorException('"*:only-of-type" is not implemented.'); |
} |
|
return $xpath->addCondition('last() = 1'); |
} |
|
/** |
* @param XPathExpr $xpath |
* |
* @return XPathExpr |
*/ |
public function translateEmpty(XPathExpr $xpath) |
{ |
return $xpath->addCondition('not(*) and not(string-length())'); |
} |
|
/** |
* {@inheritdoc} |
*/ |
public function getName() |
{ |
return 'pseudo-class'; |
} |
} |