Version 1

[yaffs-website] / vendor / zendframework / zend-stdlib / src / StringWrapper / Native.php

diff --git a/vendor/zendframework/zend-stdlib/src/StringWrapper/Native.php b/vendor/zendframework/zend-stdlib/src/StringWrapper/Native.php
new file mode 100644 (file)
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+++ b/vendor/zendframework/zend-stdlib/src/StringWrapper/Native.php
@@ -0,0 +1,134 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\StringWrapper;
+
+use Zend\Stdlib\Exception;
+use Zend\Stdlib\StringUtils;
+
+class Native extends AbstractStringWrapper
+{
+    /**
+     * The character encoding working on
+     * (overwritten to change defaut encoding)
+     *
+     * @var string
+     */
+    protected $encoding = 'ASCII';
+
+    /**
+     * Check if the given character encoding is supported by this wrapper
+     * and the character encoding to convert to is also supported.
+     *
+     * @param  string      $encoding
+     * @param  string|null $convertEncoding
+     * @return bool
+     */
+    public static function isSupported($encoding, $convertEncoding = null)
+    {
+        $encodingUpper      = strtoupper($encoding);
+        $supportedEncodings = static::getSupportedEncodings();
+
+        if (! in_array($encodingUpper, $supportedEncodings)) {
+            return false;
+        }
+
+        // This adapter doesn't support to convert between encodings
+        if ($convertEncoding !== null && $encodingUpper !== strtoupper($convertEncoding)) {
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Get a list of supported character encodings
+     *
+     * @return string[]
+     */
+    public static function getSupportedEncodings()
+    {
+        return StringUtils::getSingleByteEncodings();
+    }
+
+    /**
+     * Set character encoding working with and convert to
+     *
+     * @param string      $encoding         The character encoding to work with
+     * @param string|null $convertEncoding  The character encoding to convert to
+     * @return StringWrapperInterface
+     */
+    public function setEncoding($encoding, $convertEncoding = null)
+    {
+        $supportedEncodings = static::getSupportedEncodings();
+
+        $encodingUpper = strtoupper($encoding);
+        if (! in_array($encodingUpper, $supportedEncodings)) {
+            throw new Exception\InvalidArgumentException(
+                'Wrapper doesn\'t support character encoding "' . $encoding . '"'
+            );
+        }
+
+        if ($encodingUpper !== strtoupper($convertEncoding)) {
+            $this->convertEncoding = $encodingUpper;
+        }
+
+        if ($convertEncoding !== null) {
+            if ($encodingUpper !== strtoupper($convertEncoding)) {
+                throw new Exception\InvalidArgumentException(
+                    'Wrapper doesn\'t support to convert between character encodings'
+                );
+            }
+
+            $this->convertEncoding = $encodingUpper;
+        } else {
+            $this->convertEncoding = null;
+        }
+        $this->encoding = $encodingUpper;
+
+        return $this;
+    }
+
+    /**
+     * Returns the length of the given string
+     *
+     * @param string $str
+     * @return int|false
+     */
+    public function strlen($str)
+    {
+        return strlen($str);
+    }
+
+    /**
+     * Returns the portion of string specified by the start and length parameters
+     *
+     * @param string   $str
+     * @param int      $offset
+     * @param int|null $length
+     * @return string|false
+     */
+    public function substr($str, $offset = 0, $length = null)
+    {
+        return substr($str, $offset, $length);
+    }
+
+    /**
+     * Find the position of the first occurrence of a substring in a string
+     *
+     * @param string $haystack
+     * @param string $needle
+     * @param int    $offset
+     * @return int|false
+     */
+    public function strpos($haystack, $needle, $offset = 0)
+    {
+        return strpos($haystack, $needle, $offset);
+    }
+}