99 lines
2.9 KiB
PHP
99 lines
2.9 KiB
PHP
<?php
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namespace Targets\TargetDescriptionFiles;
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require_once __DIR__ . "/MemorySegmentType.php";
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require_once __DIR__ . "/MemorySegmentSection.php";
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class MemorySegment
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{
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public ?string $key = null;
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public ?string $name = null;
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public ?MemorySegmentType $type = null;
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public ?int $startAddress = null;
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public ?int $size = null;
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public ?int $pageSize = null;
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public ?string $access = null;
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/** @var MemorySegmentSection[] */
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public array $sections = [];
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public function __construct(
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?string $key,
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?string $name,
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?MemorySegmentType $type,
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?int $startAddress,
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?int $size,
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?int $pageSize,
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?string $access,
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array $sections
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) {
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$this->key = $key;
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$this->name = $name;
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$this->type = $type;
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$this->startAddress = $startAddress;
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$this->size = $size;
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$this->pageSize = $pageSize;
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$this->access = $access;
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$this->sections = $sections;
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}
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public function getSection(string $sectionId): ?MemorySegmentSection
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{
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foreach ($this->sections as $section) {
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if ($section->key !== $sectionId) {
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continue;
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}
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return $section;
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}
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return null;
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}
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public function contains(MemorySegment $other): bool
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{
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$endAddress = !is_null($this->startAddress) && !is_null($this->size)
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? ($this->startAddress + $this->size - 1) : null;
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$otherEndAddress = !is_null($other->startAddress) && !is_null($other->size)
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? ($other->startAddress + $other->size - 1) : null;
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return
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$this->startAddress !== null
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&& $endAddress !== null
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&& $other->startAddress !== null
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&& $otherEndAddress !== null
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&& $this->startAddress <= $other->startAddress
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&& $endAddress >= $otherEndAddress
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;
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}
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public function intersectsWith(MemorySegment $other): bool
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{
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$endAddress = !is_null($this->startAddress) && !is_null($this->size)
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? ($this->startAddress + $this->size - 1) : null;
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$otherEndAddress = !is_null($other->startAddress) && !is_null($other->size)
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? ($other->startAddress + $other->size - 1) : null;
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return
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$this->startAddress !== null
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&& $endAddress !== null
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&& $other->startAddress !== null
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&& $otherEndAddress !== null
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&& (
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($other->startAddress <= $this->startAddress && $otherEndAddress >= $this->startAddress)
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|| ($other->startAddress >= $this->startAddress && $other->startAddress <= $endAddress)
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)
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;
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}
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public function totalSectionSize(): int
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{
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return array_sum(
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array_map(
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fn (MemorySegmentSection $section): int => (int) $section->size,
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$this->sections
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)
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);
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}
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}
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