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<?php declare(strict_types = 1); |
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namespace Suilven\RandomEnglish; |
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use Suilven\RandomEnglish\Helper\LanguageHelper; |
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class RandomEnglishGenerator |
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{ |
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private const POSSIBLE_WORD_TYPES = [ |
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'noun', |
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'countable_noun', |
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'adjective', |
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'preposition', |
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'conjunction', |
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'contraction', |
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'control_verb', |
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'sequence_adverb', |
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'frequency_adverb', |
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// pluralize and ing these? |
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'intransitive_verb', |
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'irregular_verb', |
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'transitive_verb', |
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'verb', |
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'adverb', |
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'intransitive_verb_ing', |
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'irregular_verb_ing', |
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'transitive_verb_ing', |
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'verb_ing', |
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// positions |
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'locative', |
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'plural_noun', |
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// names |
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'mens_name', |
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'womens_name', |
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]; |
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/** @var string configuration file for sentences */ |
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private $config = ''; |
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public function __construct() |
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{ |
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$configFile = \dirname(__FILE__) . '/../config/sentence-structure.cfg'; |
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$this->setConfig(\file_get_contents($configFile)); |
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} |
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/** @param string $newConfig configuration file of how sentence structures */ |
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public function setConfig(string $newConfig): void |
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{ |
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$this->config = \trim($newConfig); |
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} |
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/** |
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* Generate a random sentence |
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* |
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* @param bool $titleCase true to generate a title, false (default) to generate a sentence |
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* @return string a random sentence |
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*/ |
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public function sentence(bool $titleCase = false): string |
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{ |
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// choose a random sentence structure |
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$structures = \explode(\PHP_EOL, $this->config); |
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\shuffle($structures); |
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$structure = $structures[0]; |
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$expression='/[\s]+/'; |
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$splits = \preg_split($expression, $structure, -1, \PREG_SPLIT_NO_EMPTY); |
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$sentenceArray = []; |
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foreach ($splits as $possiblyRandomWord) { |
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$randomized = false; |
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foreach (self::POSSIBLE_WORD_TYPES as $wordType) { |
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$pluralNoun = ($wordType === 'plural_noun'); |
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if ($pluralNoun) { |
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$wordType = 'noun'; |
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$possiblyRandomWord = \str_replace('plural_', '', $possiblyRandomWord); |
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} |
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$ing = \substr($wordType, -4)=== '_ing'; |
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if ($ing) { |
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$wordType = \str_replace('_ing', '', $wordType); |
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$possiblyRandomWord = \str_replace('_ing', '', $possiblyRandomWord); |
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} |
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$start = '[' . $wordType . ']'; |
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if (\substr($possiblyRandomWord, 0, \strlen($start)) !== $start) { |
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continue; |
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} |
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$restOfWord = \str_replace($start, '', $possiblyRandomWord); |
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$randomWord = $this->getRandomWord($wordType); |
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if ($pluralNoun) { |
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$helper = new LanguageHelper(); |
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$randomWord = $helper->pluralizeNoun($randomWord); |
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} |
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if ($ing) { |
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$helper = new LanguageHelper(); |
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$randomWord = $helper->ingVerb($randomWord); |
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} |
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$sentenceArray[] =$randomWord . $restOfWord; |
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$randomized = true; |
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break; |
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} |
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if ($randomized) { |
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continue; |
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} |
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$sentenceArray[] = |
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$possiblyRandomWord; |
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} |
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// ensure sentence starts with a capital |
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$sentenceArray[0] = \ucfirst($sentenceArray[0]); |
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$result = \implode(" ", $sentenceArray) . '.'; |
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if ($titleCase) { |
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$result = \ucwords($result); |
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$result = \substr_replace($result, "", -1); |
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} |
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$result = \str_replace('?.', '?', $result); |
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$result = \str_replace('!.', '?', $result); |
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return $result; |
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} |
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/** |
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* Generate a random title |
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* |
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* @return string a random sentence, all in caps, no trailing full stop |
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*/ |
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public function title(): string |
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{ |
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return $this->sentence(true); |
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} |
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/** |
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* @param int $maxSentences The maximum number of sentences |
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* @return string a paragraph of random sentences |
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*/ |
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public function paragraph(int $maxSentences = 10): string |
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{ |
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$nParagraph = \rand(1, $maxSentences); |
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$sentences = []; |
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for ($i=0; $i< $nParagraph; $i++) { |
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$sentences[] = $this->sentence(); |
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} |
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return \implode(" ", $sentences); |
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} |
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/** @return string a plural noun */ |
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public function pluralNoun(): string |
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{ |
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$plurableNoun = $this->getRandomWord('countable_noun'); |
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return $plurableNoun . 's'; |
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} |
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/** @return string a plural verb */ |
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public function pluralVerb(): string |
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{ |
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// @todo Choose a random verb source file |
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$plurableNoun = $this->getRandomWord('verb'); |
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return $plurableNoun . 's'; |
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} |
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/** @return string doing version of a verb */ |
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public function verbing(): string |
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{ |
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// @todo Choose a random verb source file |
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$plurableNoun = $this->getRandomWord('verb'); |
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return $plurableNoun . 'ing'; |
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} |
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/** |
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* @param string $wordType the type of word, e.g. noun, verb |
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* @return string a random word for the given word type |
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*/ |
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private function getRandomWord(string $wordType): string |
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{ |
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$wordsFile = \dirname(__FILE__) . '/../words/english_' . $wordType . 's.txt'; |
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$words = \explode(\PHP_EOL, \trim(\file_get_contents($wordsFile))); |
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\shuffle($words); |
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return $words[0]; |
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} |
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} |
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gordonbanderson /
random_english
