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EMT_Lib.php
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EMT_Lib.php
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<?php
namespace corpsepk\yii2emt;
class EMT_Lib
{
const LAYOUT_STYLE = 1;
const LAYOUT_CLASS = 2;
const INTERNAL_BLOCK_OPEN = '%%%INTBLOCKO235978%%%';
const INTERNAL_BLOCK_CLOSE = '%%%INTBLOCKC235978%%%';
/**
* Таблица символов
*
* @var array
*/
public static $_charsTable = array(
'"' => array('html' => array('«', '»', '“', '‘', '„', '“', '"', '«', '»'),
'utf8' => array(0x201E, 0x201C, 0x201F, 0x201D, 0x00AB, 0x00BB)),
' ' => array('html' => array(' ', ' ', ' '),
'utf8' => array(0x00A0, 0x2002, 0x2003, 0x2008, 0x2009)),
'-' => array('html' => array(/*'—',*/ '–', '−', '—', '—', '–'),
'utf8' => array(0x002D, /*0x2014,*/ 0x2010, 0x2012, 0x2013)),
'—' => array('html' => array('—'),
'utf8' => array(0x2014)),
'==' => array('html' => array('≡'),
'utf8' => array(0x2261)),
'...' => array('html' => array('…', '…'),
'utf8' => array(0x2026)),
'!=' => array('html' => array('≠', '≠'),
'utf8' => array(0x2260)),
'<=' => array('html' => array('≤', '≤'),
'utf8' => array(0x2264)),
'>=' => array('html' => array('≥', '≥'),
'utf8' => array(0x2265)),
'1/2' => array('html' => array('½', '½'),
'utf8' => array(0x00BD)),
'1/4' => array('html' => array('¼', '¼'),
'utf8' => array(0x00BC)),
'3/4' => array('html' => array('¾', '¾'),
'utf8' => array(0x00BE)),
'+-' => array('html' => array('±', '±'),
'utf8' => array(0x00B1)),
'&' => array('html' => array('&', '&')),
'(tm)' => array('html' => array('™', '™'),
'utf8' => array(0x2122)),
//'(r)' => array('html' => array('<sup>®</sup>', '®', '®'),
'(r)' => array('html' => array('®', '®'),
'utf8' => array(0x00AE)),
'(c)' => array('html' => array('©', '©'),
'utf8' => array(0x00A9)),
'§' => array('html' => array('§', '§'),
'utf8' => array(0x00A7)),
'`' => array('html' => array('́')),
'\'' => array('html' => array('’', '’')),
'x' => array('html' => array('×', '×'),
'utf8' => array('×') /* какой же у него может быть код? */),
);
/**
* Добавление к тегам атрибута 'id', благодаря которому
* при повторном типографирование текста будут удалены теги,
* расставленные данным типографом
*
* @var array
*/
protected static $_typographSpecificTagId = false;
/**
* Костыли для работы с символами UTF-8
*
* @author somebody?
* @param int $c код символа в кодировке UTF-8 (например, 0x00AB)
* @return bool|string
*/
public static function _getUnicodeChar($c)
{
if ($c <= 0x7F) {
return chr($c);
} else if ($c <= 0x7FF) {
return chr(0xC0 | $c >> 6)
. chr(0x80 | $c & 0x3F);
} else if ($c <= 0xFFFF) {
return chr(0xE0 | $c >> 12)
. chr(0x80 | $c >> 6 & 0x3F)
. chr(0x80 | $c & 0x3F);
} else if ($c <= 0x10FFFF) {
return chr(0xF0 | $c >> 18)
. chr(0x80 | $c >> 12 & 0x3F)
. chr(0x80 | $c >> 6 & 0x3F)
. chr(0x80 | $c & 0x3F);
} else {
return false;
}
}
/**
* Удаление кодов HTML из текста
*
* <code>
* // Remove UTF-8 chars:
* $str = EMT_Lib::clear_special_chars('your text', 'utf8');
* // ... or HTML codes only:
* $str = EMT_Lib::clear_special_chars('your text', 'html');
* // ... or combo:
* $str = EMT_Lib::clear_special_chars('your text');
* </code>
*
* @param string $text
* @param mixed $mode
* @return string|bool
*/
public static function clear_special_chars($text, $mode = null)
{
if(is_string($mode)) $mode = array($mode);
if(is_null($mode)) $mode = array('utf8', 'html');
if(!is_array($mode)) return false;
$moder = array();
foreach($mode as $mod) if(in_array($mod, array('utf8','html'))) $moder[] = $mod;
if(count($moder)==0) return false;
foreach (self::$_charsTable as $char => $vals)
{
foreach ($mode as $type)
{
if (isset($vals[$type]))
{
foreach ($vals[$type] as $v)
{
if ('utf8' === $type && is_int($v))
{
$v = self::_getUnicodeChar($v);
}
if ('html' === $type)
{
if(preg_match("/<[a-z]+>/i",$v))
{
$v = self::safe_tag_chars($v, true);
}
}
$text = str_replace($v, $char, $text);
}
}
}
}
return $text;
}
/**
* Удаление тегов HTML из текста
* Тег <br /> будет преобразов в перенос строки \n, сочетание тегов </p><p> -
* в двойной перенос
*
* @param string $text
* @param array $allowableTag массив из тегов, которые будут проигнорированы
* @return string
*/
public static function remove_html_tags($text, $allowableTag = null)
{
$ignore = null;
if (null !== $allowableTag)
{
if (is_string($allowableTag))
{
$allowableTag = array($allowableTag);
}
if (is_array($allowableTag))
{
$tags = array();
foreach ($allowableTag as $tag)
{
if ('<' !== substr($tag, 0, 1) || '>' !== substr($tag, -1, 1)) continue;
if ('/' === substr($tag, 1, 1)) continue;
$tags [] = $tag;
}
$ignore = implode('', $tags);
}
}
$text = preg_replace(array('/\<br\s*\/?>/i', '/\<\/p\>\s*\<p\>/'), array("\n","\n\n"), $text);
$text = strip_tags($text, $ignore);
return $text;
}
/**
* Сохраняем содержимое тегов HTML
*
* Тег 'a' кодируется со специальным префиксом для дальнейшей
* возможности выносить за него кавычки.
*
* @param string $text
* @param bool $safe
* @return string
*/
public static function safe_tag_chars($text, $way)
{
if ($way)
$text = preg_replace_callback(
'/(\<\/?)(.+?)(\>)/s',
function ($m) {
return $m[1].( substr(trim($m[2]), 0, 1) === "a" ? "%%___" : "" ) . \corpsepk\yii2emt\EMT_Lib::encrypt_tag(trim($m[2])) . $m[3];
},
$text
);
else
$text = preg_replace_callback(
'/(\<\/?)(.+?)(\>)/s',
function ($m) {
return $m[1].( substr(trim($m[2]), 0, 3) === "%%___" ? \corpsepk\yii2emt\EMT_Lib::decrypt_tag(substr(trim($m[2]), 4)) : \corpsepk\yii2emt\EMT_Lib::decrypt_tag(trim($m[2])) ) . $m[3];
},
$text
);
return $text;
}
/**
* Декодриует спец блоки
*
* @param string $text
* @return string
*/
public static function decode_internal_blocks($text)
{
$text = preg_replace_callback(
'/'.EMT_Lib::INTERNAL_BLOCK_OPEN.'([a-zA-Z0-9\/=]+?)'.EMT_Lib::INTERNAL_BLOCK_CLOSE.'/s',
function ($m) {
return \corpsepk\yii2emt\EMT_Lib::decrypt_tag($m[1]);
},
$text
);
return $text;
}
/**
* Кодирует спец блок
*
* @param string $text
* @return string
*/
public static function iblock($text)
{
return EMT_Lib::INTERNAL_BLOCK_OPEN. EMT_Lib::encrypt_tag($text).EMT_Lib::INTERNAL_BLOCK_CLOSE;
}
/**
* Создание тега с защищенным содержимым
*
* @param string $content текст, который будет обрамлен тегом
* @param string $tag тэг
* @param array $attribute список атрибутов, где ключ - имя атрибута, а значение - само значение данного атрибута
* @return string
*/
public static function build_safe_tag($content, $tag = 'span', $attribute = array(), $layout = EMT_Lib::LAYOUT_STYLE )
{
$htmlTag = $tag;
if (self::$_typographSpecificTagId)
{
if(!isset($attribute['id']))
{
$attribute['id'] = 'emt-2' . mt_rand(1000,9999);
}
}
$classname = "";
if (count($attribute))
{
if($layout & EMT_lib::LAYOUT_STYLE)
{
if(isset($attribute['__style']) && $attribute['__style'])
{
if(isset($attribute['style']) && $attribute['style'])
{
$st = trim($attribute['style']);
if(mb_substr($st, -1) != ";") $st .= ";";
$st .= $attribute['__style'];
$attribute['style'] = $st;
} else {
$attribute['style'] = $attribute['__style'];
}
unset($attribute['__style']);
}
}
foreach ($attribute as $attr => $value)
{
if($attr == "__style") continue;
if($attr == "class") {
$classname = "$value";
continue;
}
$htmlTag .= " $attr=\"$value\"";
}
}
if( ($layout & EMT_lib::LAYOUT_CLASS ) && $classname) {
$htmlTag .= " class=\"$classname\"";
}
return "<" . self::encrypt_tag($htmlTag) . ">$content</" . self::encrypt_tag($tag) . ">";
}
/**
* Метод, осуществляющий кодирование (сохранение) информации
* с целью невозможности типографировать ее
*
* @param string $text
* @return string
*/
public static function encrypt_tag($text)
{
return base64_encode($text)."=";
}
/**
* Метод, осуществляющий декодирование информации
*
* @param string $text
* @return string
*/
public static function decrypt_tag($text)
{
return base64_decode(substr($text,0,-1));
}
public static function strpos_ex(&$haystack, $needle, $offset = null)
{
if(is_array($needle))
{
$m = false;
$w = false;
foreach($needle as $n)
{
$p = strpos($haystack, $n , $offset);
if($p===false) continue;
if($m === false)
{
$m = $p;
$w = $n;
continue;
}
if($p < $m)
{
$m = $p;
$w = $n;
}
}
if($m === false) return false;
return array('pos' => $m, 'str' => $w);
}
return strpos($haystack, $needle, $offset);
}
public static function _process_selector_pattern(&$pattern)
{
if($pattern===false) return;
$pattern = preg_quote($pattern , '/');
$pattern = str_replace("\\*", "[a-z0-9_\-]*", $pattern);
$pattern = "/".$pattern."/i";
}
public static function _test_pattern($pattern, $text)
{
if($pattern === false) return true;
return preg_match($pattern, $text);
}
public static function strtolower($string)
{
$convert_to = array(
"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u",
"v", "w", "x", "y", "z", "à", "á", "â", "ã", "ä", "å", "æ", "ç", "è", "é", "ê", "ë", "ì", "í", "î", "ï",
"ð", "ñ", "ò", "ó", "ô", "õ", "ö", "ø", "ù", "ú", "û", "ü", "ý", "а", "б", "в", "г", "д", "е", "ё", "ж",
"з", "и", "й", "к", "л", "м", "н", "о", "п", "р", "с", "т", "у", "ф", "х", "ц", "ч", "ш", "щ", "ъ", "ы",
"ь", "э", "ю", "я"
);
$convert_from = array(
"A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U",
"V", "W", "X", "Y", "Z", "À", "Á", "Â", "Ã", "Ä", "Å", "Æ", "Ç", "È", "É", "Ê", "Ë", "Ì", "Í", "Î", "Ï",
"Ð", "Ñ", "Ò", "Ó", "Ô", "Õ", "Ö", "Ø", "Ù", "Ú", "Û", "Ü", "Ý", "А", "Б", "В", "Г", "Д", "Е", "Ё", "Ж",
"З", "И", "Й", "К", "Л", "М", "Н", "О", "П", "Р", "С", "Т", "У", "Ф", "Х", "Ц", "Ч", "Ш", "Щ", "Ъ", "Ъ",
"Ь", "Э", "Ю", "Я"
);
return str_replace($convert_from, $convert_to, $string);
}
// взято с http://www.w3.org/TR/html4/sgml/entities.html
protected static $html4_char_ents = array(
'nbsp' => 160,
'iexcl' => 161,
'cent' => 162,
'pound' => 163,
'curren' => 164,
'yen' => 165,
'brvbar' => 166,
'sect' => 167,
'uml' => 168,
'copy' => 169,
'ordf' => 170,
'laquo' => 171,
'not' => 172,
'shy' => 173,
'reg' => 174,
'macr' => 175,
'deg' => 176,
'plusmn' => 177,
'sup2' => 178,
'sup3' => 179,
'acute' => 180,
'micro' => 181,
'para' => 182,
'middot' => 183,
'cedil' => 184,
'sup1' => 185,
'ordm' => 186,
'raquo' => 187,
'frac14' => 188,
'frac12' => 189,
'frac34' => 190,
'iquest' => 191,
'Agrave' => 192,
'Aacute' => 193,
'Acirc' => 194,
'Atilde' => 195,
'Auml' => 196,
'Aring' => 197,
'AElig' => 198,
'Ccedil' => 199,
'Egrave' => 200,
'Eacute' => 201,
'Ecirc' => 202,
'Euml' => 203,
'Igrave' => 204,
'Iacute' => 205,
'Icirc' => 206,
'Iuml' => 207,
'ETH' => 208,
'Ntilde' => 209,
'Ograve' => 210,
'Oacute' => 211,
'Ocirc' => 212,
'Otilde' => 213,
'Ouml' => 214,
'times' => 215,
'Oslash' => 216,
'Ugrave' => 217,
'Uacute' => 218,
'Ucirc' => 219,
'Uuml' => 220,
'Yacute' => 221,
'THORN' => 222,
'szlig' => 223,
'agrave' => 224,
'aacute' => 225,
'acirc' => 226,
'atilde' => 227,
'auml' => 228,
'aring' => 229,
'aelig' => 230,
'ccedil' => 231,
'egrave' => 232,
'eacute' => 233,
'ecirc' => 234,
'euml' => 235,
'igrave' => 236,
'iacute' => 237,
'icirc' => 238,
'iuml' => 239,
'eth' => 240,
'ntilde' => 241,
'ograve' => 242,
'oacute' => 243,
'ocirc' => 244,
'otilde' => 245,
'ouml' => 246,
'divide' => 247,
'oslash' => 248,
'ugrave' => 249,
'uacute' => 250,
'ucirc' => 251,
'uuml' => 252,
'yacute' => 253,
'thorn' => 254,
'yuml' => 255,
'fnof' => 402,
'Alpha' => 913,
'Beta' => 914,
'Gamma' => 915,
'Delta' => 916,
'Epsilon' => 917,
'Zeta' => 918,
'Eta' => 919,
'Theta' => 920,
'Iota' => 921,
'Kappa' => 922,
'Lambda' => 923,
'Mu' => 924,
'Nu' => 925,
'Xi' => 926,
'Omicron' => 927,
'Pi' => 928,
'Rho' => 929,
'Sigma' => 931,
'Tau' => 932,
'Upsilon' => 933,
'Phi' => 934,
'Chi' => 935,
'Psi' => 936,
'Omega' => 937,
'alpha' => 945,
'beta' => 946,
'gamma' => 947,
'delta' => 948,
'epsilon' => 949,
'zeta' => 950,
'eta' => 951,
'theta' => 952,
'iota' => 953,
'kappa' => 954,
'lambda' => 955,
'mu' => 956,
'nu' => 957,
'xi' => 958,
'omicron' => 959,
'pi' => 960,
'rho' => 961,
'sigmaf' => 962,
'sigma' => 963,
'tau' => 964,
'upsilon' => 965,
'phi' => 966,
'chi' => 967,
'psi' => 968,
'omega' => 969,
'thetasym' => 977,
'upsih' => 978,
'piv' => 982,
'bull' => 8226,
'hellip' => 8230,
'prime' => 8242,
'Prime' => 8243,
'oline' => 8254,
'frasl' => 8260,
'weierp' => 8472,
'image' => 8465,
'real' => 8476,
'trade' => 8482,
'alefsym' => 8501,
'larr' => 8592,
'uarr' => 8593,
'rarr' => 8594,
'darr' => 8595,
'harr' => 8596,
'crarr' => 8629,
'lArr' => 8656,
'uArr' => 8657,
'rArr' => 8658,
'dArr' => 8659,
'hArr' => 8660,
'forall' => 8704,
'part' => 8706,
'exist' => 8707,
'empty' => 8709,
'nabla' => 8711,
'isin' => 8712,
'notin' => 8713,
'ni' => 8715,
'prod' => 8719,
'sum' => 8721,
'minus' => 8722,
'lowast' => 8727,
'radic' => 8730,
'prop' => 8733,
'infin' => 8734,
'ang' => 8736,
'and' => 8743,
'or' => 8744,
'cap' => 8745,
'cup' => 8746,
'int' => 8747,
'there4' => 8756,
'sim' => 8764,
'cong' => 8773,
'asymp' => 8776,
'ne' => 8800,
'equiv' => 8801,
'le' => 8804,
'ge' => 8805,
'sub' => 8834,
'sup' => 8835,
'nsub' => 8836,
'sube' => 8838,
'supe' => 8839,
'oplus' => 8853,
'otimes' => 8855,
'perp' => 8869,
'sdot' => 8901,
'lceil' => 8968,
'rceil' => 8969,
'lfloor' => 8970,
'rfloor' => 8971,
'lang' => 9001,
'rang' => 9002,
'loz' => 9674,
'spades' => 9824,
'clubs' => 9827,
'hearts' => 9829,
'diams' => 9830,
'quot' => 34,
'amp' => 38,
'lt' => 60,
'gt' => 62,
'OElig' => 338,
'oelig' => 339,
'Scaron' => 352,
'scaron' => 353,
'Yuml' => 376,
'circ' => 710,
'tilde' => 732,
'ensp' => 8194,
'emsp' => 8195,
'thinsp' => 8201,
'zwnj' => 8204,
'zwj' => 8205,
'lrm' => 8206,
'rlm' => 8207,
'ndash' => 8211,
'mdash' => 8212,
'lsquo' => 8216,
'rsquo' => 8217,
'sbquo' => 8218,
'ldquo' => 8220,
'rdquo' => 8221,
'bdquo' => 8222,
'dagger' => 8224,
'Dagger' => 8225,
'permil' => 8240,
'lsaquo' => 8249,
'rsaquo' => 8250,
'euro' => 8364,
);
/**
* Вернуть уникод символ по html entinty
*
* @param string $entity
* @return string
*/
public static function html_char_entity_to_unicode($entity)
{
if(isset(self::$html4_char_ents[$entity])) return self::_getUnicodeChar(self::$html4_char_ents[$entity]);
return false;
}
/**
* Сконвериторвать все html entity в соответсвующие юникод символы
*
* @param string $text
*/
public static function convert_html_entities_to_unicode(&$text)
{
$text = preg_replace_callback(
"/\&#([0-9]+)\;/",
function ($m) {
return \corpsepk\yii2emt\EMT_Lib::_getUnicodeChar(intval($m[1]));
},
$text
);
$text = preg_replace_callback(
"/\&#x([0-9A-F]+)\;/",
function ($m) {
return \corpsepk\yii2emt\EMT_Lib::_getUnicodeChar(hexdec($m[1]));
},
$text
);
$text = preg_replace_callback(
"/\&([a-zA-Z0-9]+)\;/",
function ($m) {
$r = \corpsepk\yii2emt\EMT_Lib::html_char_entity_to_unicode($m[1]);
return $r ? $r : $m[0];
},
$text
);
}
public static function rstrpos ($haystack, $needle, $offset = 0){
if(trim($haystack) != "" && trim($needle) != "" && $offset <= mb_strlen($haystack))
{
$last_pos = $offset;
$found = false;
while(($curr_pos = mb_strpos($haystack, $needle, $last_pos)) !== false)
{
$found = true;
$last_pos = $curr_pos + 1;
}
if($found)
{
return $last_pos - 1;
}
else
{
return false;
}
}
else
{
return false;
}
}
public static function ifop($cond, $true, $false) {
return $cond ? $true : $false;
}
}