101 lines
2.5 KiB
PHP
101 lines
2.5 KiB
PHP
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<?PHP
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/**
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* Contains class NodaUncertaintyHelper.
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*
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* @author Joshua Ramon Enslin <joshua@museum-digital.de>
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*/
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declare(strict_types = 1);
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/**
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* Contains static functions for getting IDs for noda entries by various means.
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*/
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final class NodaUncertaintyHelper {
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const TIME_UNCERTAINTY_PREFIXES = [
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"um ",
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"wohl um ",
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"circa ",
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"ca. ",
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"ca "
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];
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const TIME_UNCERTAINTY_SUFFIXES = [
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"(?)",
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"?",
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];
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/**
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* Substrings used to express uncertainty about the validity of a place name.
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*/
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const PLACE_UNCERTAINTY_PREFIXES = [
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"vlt. ",
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"circa ",
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"ca. ",
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"ca ",
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];
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const PLACE_UNCERTAINTY_SUFFIXES = [
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"(?)",
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"?",
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];
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/**
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* Attempts guessing whether time is uncertain.
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*
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* @param string $zeit_name Time name.
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*
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* @return boolean
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*/
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public static function guessTimeCertainty(string $zeit_name):bool {
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$zeit_name = \strtolower($zeit_name);
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// Attempt to guess uncertainty based on prefixes.
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foreach (self::TIME_UNCERTAINTY_PREFIXES as $prefix) {
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if (\substr($zeit_name, 0, \strlen($prefix)) === $prefix) {
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return false; // Uncertainty found
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}
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}
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// Attempt to guess uncertainty based on prefixes.
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foreach (self::TIME_UNCERTAINTY_SUFFIXES as $prefix) {
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if (\substr($zeit_name, -1 * \strlen($prefix)) === $prefix) {
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return false; // Uncertainty found
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}
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}
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return true; // No uncertainty found
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}
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/**
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* Attempts guessing whether place is uncertain.
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*
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* @param string $ort_name Place name.
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*
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* @return boolean
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*/
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public static function guessPlaceCertainty(string $ort_name):bool {
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$ort_name = \strtolower($ort_name);
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// Attempt to guess uncertainty based on prefixes.
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foreach (NodaUncertaintyHelper::PLACE_UNCERTAINTY_PREFIXES as $prefix) {
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if (\substr($ort_name, 0, \strlen($prefix)) === $prefix) {
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return false; // Uncertain
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}
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}
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// Attempt to guess uncertainty based on prefixes.
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foreach (NodaUncertaintyHelper::PLACE_UNCERTAINTY_SUFFIXES as $prefix) {
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if (\substr($ort_name, -1 * \strlen($prefix)) === $prefix) {
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return false; // Uncertain
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}
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}
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return true; // Certain / no uncertainty found
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}
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}
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