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This commit is contained in:
RafficMohammed
2023-02-17 13:25:50 +05:30
parent 2381fd7cf5
commit 67950fc78f
891 changed files with 102300 additions and 138477 deletions
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198
vendor/sabberworm/php-css-parser/src/Value/Value.php vendored Normal file
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<?php
namespace Sabberworm\CSS\Value;
use Sabberworm\CSS\Parsing\ParserState;
use Sabberworm\CSS\Parsing\SourceException;
use Sabberworm\CSS\Parsing\UnexpectedEOFException;
use Sabberworm\CSS\Parsing\UnexpectedTokenException;
use Sabberworm\CSS\Renderable;
abstract class Value implements Renderable
{
/**
* @var int
*/
protected $iLineNo;
/**
* @param int $iLineNo
*/
public function __construct($iLineNo = 0)
{
$this->iLineNo = $iLineNo;
}
/**
* @param array<array-key, string> $aListDelimiters
*
* @return RuleValueList|CSSFunction|CSSString|LineName|Size|URL|string
*
* @throws UnexpectedTokenException
* @throws UnexpectedEOFException
*/
public static function parseValue(ParserState $oParserState, array $aListDelimiters = [])
{
/** @var array<int, RuleValueList|CSSFunction|CSSString|LineName|Size|URL|string> $aStack */
$aStack = [];
$oParserState->consumeWhiteSpace();
//Build a list of delimiters and parsed values
while (
!($oParserState->comes('}') || $oParserState->comes(';') || $oParserState->comes('!')
|| $oParserState->comes(')')
|| $oParserState->comes('\\'))
) {
if (count($aStack) > 0) {
$bFoundDelimiter = false;
foreach ($aListDelimiters as $sDelimiter) {
if ($oParserState->comes($sDelimiter)) {
array_push($aStack, $oParserState->consume($sDelimiter));
$oParserState->consumeWhiteSpace();
$bFoundDelimiter = true;
break;
}
}
if (!$bFoundDelimiter) {
//Whitespace was the list delimiter
array_push($aStack, ' ');
}
}
array_push($aStack, self::parsePrimitiveValue($oParserState));
$oParserState->consumeWhiteSpace();
}
// Convert the list to list objects
foreach ($aListDelimiters as $sDelimiter) {
if (count($aStack) === 1) {
return $aStack[0];
}
$iStartPosition = null;
while (($iStartPosition = array_search($sDelimiter, $aStack, true)) !== false) {
$iLength = 2; //Number of elements to be joined
for ($i = $iStartPosition + 2; $i < count($aStack); $i += 2, ++$iLength) {
if ($sDelimiter !== $aStack[$i]) {
break;
}
}
$oList = new RuleValueList($sDelimiter, $oParserState->currentLine());
for ($i = $iStartPosition - 1; $i - $iStartPosition + 1 < $iLength * 2; $i += 2) {
$oList->addListComponent($aStack[$i]);
}
array_splice($aStack, $iStartPosition - 1, $iLength * 2 - 1, [$oList]);
}
}
if (!isset($aStack[0])) {
throw new UnexpectedTokenException(
" {$oParserState->peek()} ",
$oParserState->peek(1, -1) . $oParserState->peek(2),
'literal',
$oParserState->currentLine()
);
}
return $aStack[0];
}
/**
* @param bool $bIgnoreCase
*
* @return CSSFunction|string
*
* @throws UnexpectedEOFException
* @throws UnexpectedTokenException
*/
public static function parseIdentifierOrFunction(ParserState $oParserState, $bIgnoreCase = false)
{
$sResult = $oParserState->parseIdentifier($bIgnoreCase);
if ($oParserState->comes('(')) {
$oParserState->consume('(');
$aArguments = Value::parseValue($oParserState, ['=', ' ', ',']);
$sResult = new CSSFunction($sResult, $aArguments, ',', $oParserState->currentLine());
$oParserState->consume(')');
}
return $sResult;
}
/**
* @return CSSFunction|CSSString|LineName|Size|URL|string
*
* @throws UnexpectedEOFException
* @throws UnexpectedTokenException
* @throws SourceException
*/
public static function parsePrimitiveValue(ParserState $oParserState)
{
$oValue = null;
$oParserState->consumeWhiteSpace();
if (
is_numeric($oParserState->peek())
|| ($oParserState->comes('-.')
&& is_numeric($oParserState->peek(1, 2)))
|| (($oParserState->comes('-') || $oParserState->comes('.')) && is_numeric($oParserState->peek(1, 1)))
) {
$oValue = Size::parse($oParserState);
} elseif ($oParserState->comes('#') || $oParserState->comes('rgb', true) || $oParserState->comes('hsl', true)) {
$oValue = Color::parse($oParserState);
} elseif ($oParserState->comes('url', true)) {
$oValue = URL::parse($oParserState);
} elseif (
$oParserState->comes('calc', true) || $oParserState->comes('-webkit-calc', true)
|| $oParserState->comes('-moz-calc', true)
) {
$oValue = CalcFunction::parse($oParserState);
} elseif ($oParserState->comes("'") || $oParserState->comes('"')) {
$oValue = CSSString::parse($oParserState);
} elseif ($oParserState->comes("progid:") && $oParserState->getSettings()->bLenientParsing) {
$oValue = self::parseMicrosoftFilter($oParserState);
} elseif ($oParserState->comes("[")) {
$oValue = LineName::parse($oParserState);
} elseif ($oParserState->comes("U+")) {
$oValue = self::parseUnicodeRangeValue($oParserState);
} else {
$oValue = self::parseIdentifierOrFunction($oParserState);
}
$oParserState->consumeWhiteSpace();
return $oValue;
}
/**
* @return CSSFunction
*
* @throws UnexpectedEOFException
* @throws UnexpectedTokenException
*/
private static function parseMicrosoftFilter(ParserState $oParserState)
{
$sFunction = $oParserState->consumeUntil('(', false, true);
$aArguments = Value::parseValue($oParserState, [',', '=']);
return new CSSFunction($sFunction, $aArguments, ',', $oParserState->currentLine());
}
/**
* @return string
*
* @throws UnexpectedEOFException
* @throws UnexpectedTokenException
*/
private static function parseUnicodeRangeValue(ParserState $oParserState)
{
$iCodepointMaxLength = 6; // Code points outside BMP can use up to six digits
$sRange = "";
$oParserState->consume("U+");
do {
if ($oParserState->comes('-')) {
$iCodepointMaxLength = 13; // Max length is 2 six digit code points + the dash(-) between them
}
$sRange .= $oParserState->consume(1);
} while (strlen($sRange) < $iCodepointMaxLength && preg_match("/[A-Fa-f0-9\?-]/", $oParserState->peek()));
return "U+{$sRange}";
}
/**
* @return int
*/
public function getLineNo()
{
return $this->iLineNo;
}
}