vanderlee / php-sentence

src/Multibyte.php

Indentation +175 added lines, -175 removed lines

@@ -7,179 +7,179 @@
  */
 class Multibyte
 {
-    //https://stackoverflow.com/questions/20025030/convert-all-types-of-smart-quotes-with-php
-    private static $unicodeCharacterMap = [
-        // Windows codepage 1252
-        "\xC2\x82" => "'", // U+0082⇒U+201A single low-9 quotation mark
-        "\xC2\x84" => '"', // U+0084⇒U+201E double low-9 quotation mark
-        "\xC2\x8B" => "'", // U+008B⇒U+2039 single left-pointing angle quotation mark
-        "\xC2\x91" => "'", // U+0091⇒U+2018 left single quotation mark
-        "\xC2\x92" => "'", // U+0092⇒U+2019 right single quotation mark
-        "\xC2\x93" => '"', // U+0093⇒U+201C left double quotation mark
-        "\xC2\x94" => '"', // U+0094⇒U+201D right double quotation mark
-        "\xC2\x9B" => "'", // U+009B⇒U+203A single right-pointing angle quotation mark
-        // Regular Unicode     // U+0022 quotation mark (")
-        // U+0027 apostrophe     (')
-        "\xC2\xAB" => '"', // U+00AB left-pointing double angle quotation mark
-        "\xC2\xBB" => '"', // U+00BB right-pointing double angle quotation mark
-        "\xE2\x80\x98" => "'", // U+2018 left single quotation mark
-        "\xE2\x80\x99" => "'", // U+2019 right single quotation mark
-        "\xE2\x80\x9A" => "'", // U+201A single low-9 quotation mark
-        "\xE2\x80\x9B" => "'", // U+201B single high-reversed-9 quotation mark
-        "\xE2\x80\x9C" => '"', // U+201C left double quotation mark
-        "\xE2\x80\x9D" => '"', // U+201D right double quotation mark
-        "\xE2\x80\x9E" => '"', // U+201E double low-9 quotation mark
-        "\xE2\x80\x9F" => '"', // U+201F double high-reversed-9 quotation mark
-        "\xE2\x80\xB9" => "'", // U+2039 single left-pointing angle quotation mark
-        "\xE2\x80\xBA" => "'", // U+203A single right-pointing angle quotation mark
-    ];
-
-    /**
-     * Replace
-     *
-     * @staticvar array $chr_map
-     * @param string $string
-     * @return string
-     */
-    public static function cleanUnicode($string)
-    {
-        $character = array_keys(self::$unicodeCharacterMap); // but: for efficiency you should
-        $replace = array_values(self::$unicodeCharacterMap); // pre-calculate these two arrays
-        return str_replace($character, $replace, html_entity_decode($string, ENT_QUOTES, "UTF-8"));
-    }
-
-    /**
-     * Multibyte.php safe version of standard trim() function.
-     *
-     * @param string $string
-     * @return string
-     */
-    public static function trim($string)
-    {
-        $string = mb_ereg_replace('^\s*', '', $string); // left trim
-        $string = mb_ereg_replace('\s*$', '', $string); // right trim
-        return $string;
-    }
-
-    /**
-     * A cross between mb_split and preg_split, adding the preg_split flags
-     * to mb_split.
-     *
-     * @param string $pattern
-     * @param string $string
-     * @param int $limit
-     * @param int $flags
-     * @return array
-     */
-    public static function split($pattern, $string, $limit = -1, $flags = 0)
-    {
-        $offset_capture = (bool)($flags & PREG_SPLIT_OFFSET_CAPTURE);
-
-        $lengths = self::getSplitLengths($pattern, $string);
-
-        // Substrings
-        $parts = [];
-        $position = 0;
-        $count = 1;
-        foreach ($lengths as $length) {
-            if (self::isLastPart($length, $flags, $limit, $count)) {
-                $parts[] = self::makePart($string, $position, null, $offset_capture);
-                return $parts;
-            }
-
-            if (self::isPart($length, $flags)) {
-                $parts[] = self::makePart($string, $position, $length[0], $offset_capture);
-            }
-
-            $position += $length[0];
-        }
-
-        return $parts;
-    }
-
-    /**
-     * @param $length
-     * @param $flags
-     * @param $limit
-     * @param $count
-     * @return bool
-     */
-    private static function isLastPart($length, $flags, $limit, &$count)
-    {
-        $split_empty = !($flags & PREG_SPLIT_NO_EMPTY) || $length[0];
-        $is_delimiter = $length[1];
-
-        return $limit > 0
-            && !$is_delimiter
-            && $split_empty
-            && ++$count > $limit;
-    }
-
-    /**
-     * @param $length
-     * @param $flags
-     * @return bool
-     */
-    private static function isPart($length, $flags)
-    {
-        $split_empty = !($flags & PREG_SPLIT_NO_EMPTY) || $length[0];
-        $is_delimiter = $length[1];
-        $is_captured = ($flags & PREG_SPLIT_DELIM_CAPTURE) && $length[2];
-
-        return (!$is_delimiter
-                || $is_captured)
-            && $split_empty;
-    }
-
-    /**
-     * Make part
-     * @param string $string
-     * @param integer $position
-     * @param integer|null $length
-     * @param bool $offset_capture
-     * @return array|string
-     */
-    private static function makePart($string, $position, $length = null, $offset_capture = false)
-    {
-        $cut = mb_strcut($string, $position, $length);
-
-        return $offset_capture
-            ? [$cut, $position]
-            : $cut;
-    }
-
-    /**
-     * Splits the string by pattern and for each element (part or split) returns:
-     *  [ 0 => length, 1 => is_delimiter?, 2 =>
-     *
-     * @param $pattern
-     * @param $string
-     * @return array
-     */
-    private static function getSplitLengths($pattern, $string)
-    {
-        $strlen = strlen($string); // bytes!
-        $lengths = [];
-
-        mb_ereg_search_init($string);
-
-        $position = 0;
-        while ($position < $strlen
-            && ($array = mb_ereg_search_pos($pattern, '')) !== false) {
-            // capture split
-            $lengths[] = [$array[0] - $position, false, null];
-
-            // move position
-            $position = $array[0] + $array[1];
-
-            // capture delimiter
-            $regs = mb_ereg_search_getregs();
-            $lengths[] = [$array[1], true, isset($regs[1]) && $regs[1]];
-        }
-
-        // Add last bit, if not ending with split
-        $lengths[] = [$strlen - $position, false, null];
-
-        return $lengths;
-    }
+	//https://stackoverflow.com/questions/20025030/convert-all-types-of-smart-quotes-with-php
+	private static $unicodeCharacterMap = [
+		// Windows codepage 1252
+		"\xC2\x82" => "'", // U+0082⇒U+201A single low-9 quotation mark
+		"\xC2\x84" => '"', // U+0084⇒U+201E double low-9 quotation mark
+		"\xC2\x8B" => "'", // U+008B⇒U+2039 single left-pointing angle quotation mark
+		"\xC2\x91" => "'", // U+0091⇒U+2018 left single quotation mark
+		"\xC2\x92" => "'", // U+0092⇒U+2019 right single quotation mark
+		"\xC2\x93" => '"', // U+0093⇒U+201C left double quotation mark
+		"\xC2\x94" => '"', // U+0094⇒U+201D right double quotation mark
+		"\xC2\x9B" => "'", // U+009B⇒U+203A single right-pointing angle quotation mark
+		// Regular Unicode     // U+0022 quotation mark (")
+		// U+0027 apostrophe     (')
+		"\xC2\xAB" => '"', // U+00AB left-pointing double angle quotation mark
+		"\xC2\xBB" => '"', // U+00BB right-pointing double angle quotation mark
+		"\xE2\x80\x98" => "'", // U+2018 left single quotation mark
+		"\xE2\x80\x99" => "'", // U+2019 right single quotation mark
+		"\xE2\x80\x9A" => "'", // U+201A single low-9 quotation mark
+		"\xE2\x80\x9B" => "'", // U+201B single high-reversed-9 quotation mark
+		"\xE2\x80\x9C" => '"', // U+201C left double quotation mark
+		"\xE2\x80\x9D" => '"', // U+201D right double quotation mark
+		"\xE2\x80\x9E" => '"', // U+201E double low-9 quotation mark
+		"\xE2\x80\x9F" => '"', // U+201F double high-reversed-9 quotation mark
+		"\xE2\x80\xB9" => "'", // U+2039 single left-pointing angle quotation mark
+		"\xE2\x80\xBA" => "'", // U+203A single right-pointing angle quotation mark
+	];
+
+	/**
+	 * Replace
+	 *
+	 * @staticvar array $chr_map
+	 * @param string $string
+	 * @return string
+	 */
+	public static function cleanUnicode($string)
+	{
+		$character = array_keys(self::$unicodeCharacterMap); // but: for efficiency you should
+		$replace = array_values(self::$unicodeCharacterMap); // pre-calculate these two arrays
+		return str_replace($character, $replace, html_entity_decode($string, ENT_QUOTES, "UTF-8"));
+	}
+
+	/**
+	 * Multibyte.php safe version of standard trim() function.
+	 *
+	 * @param string $string
+	 * @return string
+	 */
+	public static function trim($string)
+	{
+		$string = mb_ereg_replace('^\s*', '', $string); // left trim
+		$string = mb_ereg_replace('\s*$', '', $string); // right trim
+		return $string;
+	}
+
+	/**
+	 * A cross between mb_split and preg_split, adding the preg_split flags
+	 * to mb_split.
+	 *
+	 * @param string $pattern
+	 * @param string $string
+	 * @param int $limit
+	 * @param int $flags
+	 * @return array
+	 */
+	public static function split($pattern, $string, $limit = -1, $flags = 0)
+	{
+		$offset_capture = (bool)($flags & PREG_SPLIT_OFFSET_CAPTURE);
+
+		$lengths = self::getSplitLengths($pattern, $string);
+
+		// Substrings
+		$parts = [];
+		$position = 0;
+		$count = 1;
+		foreach ($lengths as $length) {
+			if (self::isLastPart($length, $flags, $limit, $count)) {
+				$parts[] = self::makePart($string, $position, null, $offset_capture);
+				return $parts;
+			}
+
+			if (self::isPart($length, $flags)) {
+				$parts[] = self::makePart($string, $position, $length[0], $offset_capture);
+			}
+
+			$position += $length[0];
+		}
+
+		return $parts;
+	}
+
+	/**
+	 * @param $length
+	 * @param $flags
+	 * @param $limit
+	 * @param $count
+	 * @return bool
+	 */
+	private static function isLastPart($length, $flags, $limit, &$count)
+	{
+		$split_empty = !($flags & PREG_SPLIT_NO_EMPTY) || $length[0];
+		$is_delimiter = $length[1];
+
+		return $limit > 0
+			&& !$is_delimiter
+			&& $split_empty
+			&& ++$count > $limit;
+	}
+
+	/**
+	 * @param $length
+	 * @param $flags
+	 * @return bool
+	 */
+	private static function isPart($length, $flags)
+	{
+		$split_empty = !($flags & PREG_SPLIT_NO_EMPTY) || $length[0];
+		$is_delimiter = $length[1];
+		$is_captured = ($flags & PREG_SPLIT_DELIM_CAPTURE) && $length[2];
+
+		return (!$is_delimiter
+				|| $is_captured)
+			&& $split_empty;
+	}
+
+	/**
+	 * Make part
+	 * @param string $string
+	 * @param integer $position
+	 * @param integer|null $length
+	 * @param bool $offset_capture
+	 * @return array|string
+	 */
+	private static function makePart($string, $position, $length = null, $offset_capture = false)
+	{
+		$cut = mb_strcut($string, $position, $length);
+
+		return $offset_capture
+			? [$cut, $position]
+			: $cut;
+	}
+
+	/**
+	 * Splits the string by pattern and for each element (part or split) returns:
+	 *  [ 0 => length, 1 => is_delimiter?, 2 =>
+	 *
+	 * @param $pattern
+	 * @param $string
+	 * @return array
+	 */
+	private static function getSplitLengths($pattern, $string)
+	{
+		$strlen = strlen($string); // bytes!
+		$lengths = [];
+
+		mb_ereg_search_init($string);
+
+		$position = 0;
+		while ($position < $strlen
+			&& ($array = mb_ereg_search_pos($pattern, '')) !== false) {
+			// capture split
+			$lengths[] = [$array[0] - $position, false, null];
+
+			// move position
+			$position = $array[0] + $array[1];
+
+			// capture delimiter
+			$regs = mb_ereg_search_getregs();
+			$lengths[] = [$array[1], true, isset($regs[1]) && $regs[1]];
+		}
+
+		// Add last bit, if not ending with split
+		$lengths[] = [$strlen - $position, false, null];
+
+		return $lengths;
+	}
 }