languages/utils/CLDRPluralRuleConverterFragment.php

   1 <?php
   2 /**
   3  * @author Niklas Laxström, Tim Starling
   4  *
   5  * @copyright Copyright © 2010-2012, Niklas Laxström
   6  * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
   7  *
   8  * @file
   9  * @since 1.20
  10  */
  11
  12 /**
  13  * Helper for CLDRPluralRuleConverter.
  14  * The base class for operators and expressions, describing a region of the input string.
  15  */
  16 class CLDRPluralRuleConverterFragment {
  17         public $parser, $pos, $length, $end;
  18
  19         function __construct( $parser, $pos, $length ) {
  20                 $this->parser = $parser;
  21                 $this->pos = $pos;
  22                 $this->length = $length;
  23                 $this->end = $pos + $length;
  24         }
  25
  26         public function error( $message ) {
  27                 $text = $this->getText();
  28                 throw new CLDRPluralRuleError( "$message at position " . ( $this->pos + 1 ) . ": \"$text\"" );
  29         }
  30
  31         public function getText() {
  32                 return substr( $this->parser->rule, $this->pos, $this->length );
  33         }
  34 }