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50 lines
1.2 KiB
50 lines
1.2 KiB
<?php
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/** @license MIT
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* Copyright 2021 Dustin Wilson et al.
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* See LICENSE and AUTHORS files for details */
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declare(strict_types=1);
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namespace dW\Highlighter\Scope;
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class Data {
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protected array $data;
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protected int $_position = -1;
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protected int $endPosition;
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public function __construct(string $data) {
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preg_match_all('/[BLR]:|[A-Za-z0-9-+_\*\.]+|[\,\|\-\(\)&]/', $data, $matches, PREG_OFFSET_CAPTURE);
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$this->data = $matches[0] ?? [];
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$this->endPosition = count($this->data) - 1;
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}
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public function consume(): string|bool {
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if ($this->_position === $this->endPosition) {
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return false;
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}
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return $this->data[++$this->_position][0];
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}
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public function offset(): int|bool {
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if ($this->_position > $this->endPosition) {
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return false;
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}
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return $this->data[$this->_position][1];
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}
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public function peek(): string|bool {
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if ($this->_position === $this->endPosition) {
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return false;
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}
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return $this->data[$this->_position + 1][0];
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}
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public function __get(string $name) {
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if ($name === 'position') {
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return $this->_position;
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}
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}
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}
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