Felipe Nascimento de Moura
72 linhas
1.7 KiB
PHP
72 linhas
1.7 KiB
PHP
<?php
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/**
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* This class will work with the tokenized strucure and
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* the original code, due to identify patterns and apply
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* any needed rules
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* Legend:
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* Q=May have, Must have
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* S=Substantive
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* V=Verb
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* 0,N=Quantifiers
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* O=Or
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* C=Complement(like "of", or "de")
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* A=Addition(like "," or "and"
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*
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* @author felipe
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*/
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class Syntaxer {
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public static $sintatics= Array();
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/**
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* Loads the file which has the list of avaliable sintaxes
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* @static loadSintaticList
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*/
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public static function loadSintaticList()
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{
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if(!file_exists('sintatics.list'))
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$fR= fopen(Mind::$langPath.Mind::$curLang.'/sintatics.list', 'rb');
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else
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$fR= fopen('sintatics.list', 'rb');
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while (!feof($fR)){
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$sint= preg_replace('/\s/', '', fgets($fR, 4096));
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self::$sintatics[]= $sint;
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}
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}
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/**
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* Sweeps the content to apply the rules and identify patterns
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* @name sweep
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*/
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public function sweep()
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{
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self::loadSintaticList();
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// mounting the regular expression
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$pattern= implode('|', self::$sintatics);
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// let's find all the patterns that match
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// that means that we'll find only expressions with valid syntax
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$pattern= str_replace('S', 'S((( )?\,( )?S)?)+', $pattern);
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preg_match_all('/'.$pattern.'/',
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Token::$string,
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$matches,
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PREG_OFFSET_CAPTURE);
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// as we know it's only one block, we can use it straight
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$matches= $matches[0];
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foreach($matches as $found)
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{
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$len= strlen($found[0]);
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$expression= array_slice(Token::$words, $found[1], $len);
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$tokens= array_slice(Token::$spine, $found[1], $len);
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$struct= $found[0];
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// let's analize it, now
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Analyst::analize($expression, $struct, $tokens);
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}
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return $this;
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}
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} |