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76 lines
1.7 KiB
PHP
76 lines
1.7 KiB
PHP
<?php
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namespace Xentral\Modules\HocrParser\Finder;
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use Xentral\Modules\HocrParser\Data\BoundingBox;
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use Xentral\Modules\HocrParser\Data\BoundingBoxCollection;
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class CurrencyCodeFinderFacet implements FinderFacetInterface
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{
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/** @var array $validCodes */
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private $validCodes;
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/**
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* @param array $validCodes Array mit gültigen Währungscodes (drei-stelliger ISO-Code)
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*/
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public function __construct(array $validCodes = ['EUR'])
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{
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$this->validCodes = $validCodes;
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}
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/**
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* @param string $text
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*
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* @return bool
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*/
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public function MatchPreCondition($text)
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{
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if (!$this->IsCurrencyLikeValue($text)) {
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return false;
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}
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if (!$this->IsValidCurrency($text)) {
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return false;
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}
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return true;
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}
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/**
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* @param string $value
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*
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* @return bool
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*/
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private function IsCurrencyLikeValue($value)
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{
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return (bool)preg_match('/^[A-Z]{3}$/', $value);
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}
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/**
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* @param string $value
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*
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* @return bool
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*/
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private function IsValidCurrency($value)
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{
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return in_array($value, $this->validCodes, true);
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}
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/**
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* @param array|BoundingBox[] $candidates
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* @param BoundingBoxCollection $boxes
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*
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* @return string|false
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*/
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public function Select(array $candidates, BoundingBoxCollection $boxes)
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{
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if (empty($candidates)) {
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return false;
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}
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// Einfach das erste Ergebnis zurückliefern;
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// In den PreConditions wurde schon sichergestellt dass es eine gültige Währung ist
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return $candidates[0]->GetData('text');
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}
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}
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