← All changes | back/Libraries/Sabberworm/CSS/src/Value/Value.php +0 -198 10.2.2 → 11.1.1 View file →

		@@ -1,198 +1,0 @@
1		-<?php
2		-
3		-namespace Sabberworm\CSS\Value;
4		-
5		-use Sabberworm\CSS\Parsing\ParserState;
6		-use Sabberworm\CSS\Parsing\SourceException;
7		-use Sabberworm\CSS\Parsing\UnexpectedEOFException;
8		-use Sabberworm\CSS\Parsing\UnexpectedTokenException;
9		-use Sabberworm\CSS\Renderable;
10		-
11		-abstract class Value implements Renderable
12		-{
13		- /**
14		- * @var int
15		- */
16		- protected $iLineNo;
17		-
18		- /**
19		- * @param int $iLineNo
20		- */
21		- public function __construct($iLineNo = 0)
22		- {
23		- $this->iLineNo = $iLineNo;
24		- }
25		-
26		- /**
27		- * @param array<array-key, string> $aListDelimiters
28		- *
29		- * @return RuleValueList|CSSFunction|CSSString|LineName|Size|URL|string
30		- *
31		- * @throws UnexpectedTokenException
32		- * @throws UnexpectedEOFException
33		- */
34		- public static function parseValue(ParserState $oParserState, array $aListDelimiters = [])
35		- {
36		- /** @var array<int, RuleValueList|CSSFunction|CSSString|LineName|Size|URL|string> $aStack */
37		- $aStack = [];
38		- $oParserState->consumeWhiteSpace();
39		- //Build a list of delimiters and parsed values
40		- while (
41		- !($oParserState->comes('}') || $oParserState->comes(';') || $oParserState->comes('!')
42		- || $oParserState->comes(')')
43		- || $oParserState->comes('\\'))
44		- ) {
45		- if (count($aStack) > 0) {
46		- $bFoundDelimiter = false;
47		- foreach ($aListDelimiters as $sDelimiter) {
48		- if ($oParserState->comes($sDelimiter)) {
49		- array_push($aStack, $oParserState->consume($sDelimiter));
50		- $oParserState->consumeWhiteSpace();
51		- $bFoundDelimiter = true;
52		- break;
53		- }
54		- }
55		- if (!$bFoundDelimiter) {
56		- //Whitespace was the list delimiter
57		- array_push($aStack, ' ');
58		- }
59		- }
60		- array_push($aStack, self::parsePrimitiveValue($oParserState));
61		- $oParserState->consumeWhiteSpace();
62		- }
63		- // Convert the list to list objects
64		- foreach ($aListDelimiters as $sDelimiter) {
65		- if (count($aStack) === 1) {
66		- return $aStack[0];
67		- }
68		- $iStartPosition = null;
69		- while (($iStartPosition = array_search($sDelimiter, $aStack, true)) !== false) {
70		- $iLength = 2; //Number of elements to be joined
71		- for ($i = $iStartPosition + 2; $i < count($aStack); $i += 2, ++$iLength) {
72		- if ($sDelimiter !== $aStack[$i]) {
73		- break;
74		- }
75		- }
76		- $oList = new RuleValueList($sDelimiter, $oParserState->currentLine());
77		- for ($i = $iStartPosition - 1; $i - $iStartPosition + 1 < $iLength * 2; $i += 2) {
78		- $oList->addListComponent($aStack[$i]);
79		- }
80		- array_splice($aStack, $iStartPosition - 1, $iLength * 2 - 1, [$oList]);
81		- }
82		- }
83		- if (!isset($aStack[0])) {
84		- throw new UnexpectedTokenException(
85		- " {$oParserState->peek()} ",
86		- $oParserState->peek(1, -1) . $oParserState->peek(2),
87		- 'literal',
88		- $oParserState->currentLine()
89		- );
90		- }
91		- return $aStack[0];
92		- }
93		-
94		- /**
95		- * @param bool $bIgnoreCase
96		- *
97		- * @return CSSFunction|string
98		- *
99		- * @throws UnexpectedEOFException
100		- * @throws UnexpectedTokenException
101		- */
102		- public static function parseIdentifierOrFunction(ParserState $oParserState, $bIgnoreCase = false)
103		- {
104		- $sResult = $oParserState->parseIdentifier($bIgnoreCase);
105		-
106		- if ($oParserState->comes('(')) {
107		- $oParserState->consume('(');
108		- $aArguments = Value::parseValue($oParserState, ['=', ' ', ',']);
109		- $sResult = new CSSFunction($sResult, $aArguments, ',', $oParserState->currentLine());
110		- $oParserState->consume(')');
111		- }
112		-
113		- return $sResult;
114		- }
115		-
116		- /**
117		- * @return CSSFunction|CSSString|LineName|Size|URL|string
118		- *
119		- * @throws UnexpectedEOFException
120		- * @throws UnexpectedTokenException
121		- * @throws SourceException
122		- */
123		- public static function parsePrimitiveValue(ParserState $oParserState)
124		- {
125		- $oValue = null;
126		- $oParserState->consumeWhiteSpace();
127		- if (
128		- is_numeric($oParserState->peek())
129		- || ($oParserState->comes('-.')
130		- && is_numeric($oParserState->peek(1, 2)))
131		- || (($oParserState->comes('-') || $oParserState->comes('.')) && is_numeric($oParserState->peek(1, 1)))
132		- ) {
133		- $oValue = Size::parse($oParserState);
134		- } elseif ($oParserState->comes('#') || $oParserState->comes('rgb', true) || $oParserState->comes('hsl', true)) {
135		- $oValue = Color::parse($oParserState);
136		- } elseif ($oParserState->comes('url', true)) {
137		- $oValue = URL::parse($oParserState);
138		- } elseif (
139		- $oParserState->comes('calc', true) || $oParserState->comes('-webkit-calc', true)
140		- || $oParserState->comes('-moz-calc', true)
141		- ) {
142		- $oValue = CalcFunction::parse($oParserState);
143		- } elseif ($oParserState->comes("'") || $oParserState->comes('"')) {
144		- $oValue = CSSString::parse($oParserState);
145		- } elseif ($oParserState->comes("progid:") && $oParserState->getSettings()->bLenientParsing) {
146		- $oValue = self::parseMicrosoftFilter($oParserState);
147		- } elseif ($oParserState->comes("[")) {
148		- $oValue = LineName::parse($oParserState);
149		- } elseif ($oParserState->comes("U+")) {
150		- $oValue = self::parseUnicodeRangeValue($oParserState);
151		- } else {
152		- $oValue = self::parseIdentifierOrFunction($oParserState);
153		- }
154		- $oParserState->consumeWhiteSpace();
155		- return $oValue;
156		- }
157		-
158		- /**
159		- * @return CSSFunction
160		- *
161		- * @throws UnexpectedEOFException
162		- * @throws UnexpectedTokenException
163		- */
164		- private static function parseMicrosoftFilter(ParserState $oParserState)
165		- {
166		- $sFunction = $oParserState->consumeUntil('(', false, true);
167		- $aArguments = Value::parseValue($oParserState, [',', '=']);
168		- return new CSSFunction($sFunction, $aArguments, ',', $oParserState->currentLine());
169		- }
170		-
171		- /**
172		- * @return string
173		- *
174		- * @throws UnexpectedEOFException
175		- * @throws UnexpectedTokenException
176		- */
177		- private static function parseUnicodeRangeValue(ParserState $oParserState)
178		- {
179		- $iCodepointMaxLength = 6; // Code points outside BMP can use up to six digits
180		- $sRange = "";
181		- $oParserState->consume("U+");
182		- do {
183		- if ($oParserState->comes('-')) {
184		- $iCodepointMaxLength = 13; // Max length is 2 six digit code points + the dash(-) between them
185		- }
186		- $sRange .= $oParserState->consume(1);
187		- } while (strlen($sRange) < $iCodepointMaxLength && preg_match("/[A-Fa-f0-9\?-]/", $oParserState->peek()));
188		- return "U+{$sRange}";
189		- }
190		-
191		- /**
192		- * @return int
193		- */
194		- public function getLineNo()
195		- {
196		- return $this->iLineNo;
197		- }
198		-}