← All changes | back/Libraries/Sabberworm/CSS/src/Value/CalcFunction.php +0 -89 10.2.2 → 11.1.1 View file →

		@@ -1,89 +1,0 @@
1		-<?php
2		-
3		-namespace Sabberworm\CSS\Value;
4		-
5		-use Sabberworm\CSS\Parsing\ParserState;
6		-use Sabberworm\CSS\Parsing\UnexpectedEOFException;
7		-use Sabberworm\CSS\Parsing\UnexpectedTokenException;
8		-
9		-class CalcFunction extends CSSFunction
10		-{
11		- /**
12		- * @var int
13		- */
14		- const T_OPERAND = 1;
15		-
16		- /**
17		- * @var int
18		- */
19		- const T_OPERATOR = 2;
20		-
21		- /**
22		- * @return CalcFunction
23		- *
24		- * @throws UnexpectedTokenException
25		- * @throws UnexpectedEOFException
26		- */
27		- public static function parse(ParserState $oParserState)
28		- {
29		- $aOperators = ['+', '-', '*', '/'];
30		- $sFunction = trim($oParserState->consumeUntil('(', false, true));
31		- $oCalcList = new CalcRuleValueList($oParserState->currentLine());
32		- $oList = new RuleValueList(',', $oParserState->currentLine());
33		- $iNestingLevel = 0;
34		- $iLastComponentType = null;
35		- while (!$oParserState->comes(')') || $iNestingLevel > 0) {
36		- $oParserState->consumeWhiteSpace();
37		- if ($oParserState->comes('(')) {
38		- $iNestingLevel++;
39		- $oCalcList->addListComponent($oParserState->consume(1));
40		- $oParserState->consumeWhiteSpace();
41		- continue;
42		- } elseif ($oParserState->comes(')')) {
43		- $iNestingLevel--;
44		- $oCalcList->addListComponent($oParserState->consume(1));
45		- $oParserState->consumeWhiteSpace();
46		- continue;
47		- }
48		- if ($iLastComponentType != CalcFunction::T_OPERAND) {
49		- $oVal = Value::parsePrimitiveValue($oParserState);
50		- $oCalcList->addListComponent($oVal);
51		- $iLastComponentType = CalcFunction::T_OPERAND;
52		- } else {
53		- if (in_array($oParserState->peek(), $aOperators)) {
54		- if (($oParserState->comes('-') || $oParserState->comes('+'))) {
55		- if (
56		- $oParserState->peek(1, -1) != ' '
57		- || !($oParserState->comes('- ')
58		- || $oParserState->comes('+ '))
59		- ) {
60		- throw new UnexpectedTokenException(
61		- " {$oParserState->peek()} ",
62		- $oParserState->peek(1, -1) . $oParserState->peek(2),
63		- 'literal',
64		- $oParserState->currentLine()
65		- );
66		- }
67		- }
68		- $oCalcList->addListComponent($oParserState->consume(1));
69		- $iLastComponentType = CalcFunction::T_OPERATOR;
70		- } else {
71		- throw new UnexpectedTokenException(
72		- sprintf(
73		- 'Next token was expected to be an operand of type %s. Instead "%s" was found.',
74		- implode(', ', $aOperators),
75		- $oVal
76		- ),
77		- '',
78		- 'custom',
79		- $oParserState->currentLine()
80		- );
81		- }
82		- }
83		- $oParserState->consumeWhiteSpace();
84		- }
85		- $oList->addListComponent($oCalcList);
86		- $oParserState->consume(')');
87		- return new CalcFunction($sFunction, $oList, ',', $oParserState->currentLine());
88		- }
89		-}