92 lines
3.0 KiB
PHP
92 lines
3.0 KiB
PHP
<?php
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namespace Targets\TargetDescriptionFiles;
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class MemorySegmentSection
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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 ?int $startAddress = null;
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public ?int $size = null;
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/** @var MemorySegmentSection[] */
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public array $subSections = [];
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public function __construct(
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?string $key,
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?string $name,
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?int $startAddress,
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?int $size,
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array $subSections
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) {
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$this->key = $key;
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$this->name = $name;
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$this->startAddress = $startAddress;
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$this->size = $size;
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$this->subSections = $subSections;
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}
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public function getInnermostSubSectionContainingAddressRange(int $startAddress, int $endAddress)
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: ?MemorySegmentSection {
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if ($this->containsAddressRange($startAddress, $endAddress)) {
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return null;
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}
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foreach ($this->subSections as $section) {
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if ($section->containsAddressRange($startAddress, $endAddress)) {
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return $section->getInnermostSubSectionContainingAddressRange($startAddress, $endAddress);
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}
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}
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return $this;
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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 containsAddressRange(int $subjectStartAddress, int $subjectEndAddress): bool
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{
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$endAddress = !is_null($this->startAddress) && !is_null($this->size)
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? ($this->startAddress + $this->size - 1) : null;
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return
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$this->startAddress !== null
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&& $endAddress !== null
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&& $this->startAddress <= $subjectStartAddress
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&& $endAddress >= $subjectEndAddress
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;
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}
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public function intersectsWith(MemorySegmentSection $other): bool
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{
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$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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}
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