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authorYuchen Pei <hi@ypei.me>2021-10-14 15:16:42 +1100
committerYuchen Pei <hi@ypei.me>2021-10-14 15:16:42 +1100
commit07f5140771388c9e0c8a99b0dd2e5d950bdb173b (patch)
tree323c00faef1edc7dea2e88ff581cc2258b2b6432 /External/swiftmailer/lib/classes/Swift/CharacterReader/GenericFixedWidthReader.php
parente119be145500700f3c465e12664403a07530a421 (diff)
moving h-source subdir out.
Diffstat (limited to 'External/swiftmailer/lib/classes/Swift/CharacterReader/GenericFixedWidthReader.php')
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diff --git a/External/swiftmailer/lib/classes/Swift/CharacterReader/GenericFixedWidthReader.php b/External/swiftmailer/lib/classes/Swift/CharacterReader/GenericFixedWidthReader.php
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+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/CharacterReader.php';
+
+/**
+ * Provides fixed-width byte sizes for reading fixed-width character sets.
+ * @package Swift
+ * @subpackage Encoder
+ * @author Chris Corbyn
+ * @author Xavier De Cock <xdecock@gmail.com>
+ */
+class Swift_CharacterReader_GenericFixedWidthReader
+ implements Swift_CharacterReader
+{
+
+ /**
+ * The number of bytes in a single character.
+ * @var int
+ * @access private
+ */
+ private $_width;
+
+ /**
+ * Creates a new GenericFixedWidthReader using $width bytes per character.
+ * @param int $width
+ */
+ public function __construct($width)
+ {
+ $this->_width = $width;
+ }
+
+ /**
+ * Returns the complete charactermap
+ *
+ * @param string $string
+ * @param int $startOffset
+ * @param array $currentMap
+ * @param mixed $ignoredChars
+ * @return $int
+ */
+ public function getCharPositions($string, $startOffset, &$currentMap, &$ignoredChars)
+ {
+ $strlen = strlen($string);
+ // % and / are CPU intensive, so, maybe find a better way
+ $ignored = $strlen%$this->_width;
+ $ignoredChars = substr($string, - $ignored);
+ $currentMap = $this->_width;
+ return ($strlen - $ignored)/$this->_width;
+
+ }
+
+ /**
+ * Returns mapType
+ * @int mapType
+ */
+ public function getMapType()
+ {
+ return self::MAP_TYPE_FIXED_LEN;
+ }
+
+ /**
+ * Returns an integer which specifies how many more bytes to read.
+ * A positive integer indicates the number of more bytes to fetch before invoking
+ * this method again.
+ * A value of zero means this is already a valid character.
+ * A value of -1 means this cannot possibly be a valid character.
+ * @param string $bytes
+ * @return int
+ */
+ public function validateByteSequence($bytes, $size)
+ {
+ $needed = $this->_width - $size;
+ return ($needed > -1)
+ ? $needed
+ : -1
+ ;
+ }
+
+ /**
+ * Returns the number of bytes which should be read to start each character.
+ * @return int
+ */
+ public function getInitialByteSize()
+ {
+ return $this->_width;
+ }
+
+}