1: <?php
  2: 
  3: /**
  4:  * Onion Framework - Práca s reťazcami
  5:  *
  6:  * Copyright (c) 2011 Jano Gašpar (http://webstranky.net)
  7:  *
  8:  * @author    Jano Gašpar
  9:  * @copyright Copyright (c) 2011 Jano Gašpar
 10:  * @package   Onion::Utils
 11:  **/
 12: class Strings
 13: {
 14:     /**
 15:       * Prevod reťazca na formu vhodnú pre adresy, názvy css tried a pod
 16:       *
 17:       * @param  string reťazec na prevod
 18:       * @return string prevedený reťazec
 19:       */
 20:     public static function webalize($string)
 21:     {
 22:         $string = trim($string);
 23:         $string = self::to_ascii($string);
 24:         $string = strtolower($string);
 25:         preg_match_all('/[a-zA-Z0-9]+/', $string, $new_string);
 26:         return implode('-', $new_string[0]);
 27:     }
 28: 
 29: 
 30:     /**
 31:       * Prevod reťazca UTF8 na ASCII
 32:       *
 33:       * @param  string reťazec na prevod
 34:       * @return string prevedený reťazec
 35:       */
 36:     public static function to_ascii($string)
 37:     {
 38:         if (ICONV_IMPL === 'glibc') {
 39:             $table = array(
 40:                 'á' => 'a', 'ä' => 'a', 'č' => 'c', 'ď' => 'd', 'é' => 'e',
 41:                 'ě' => 'e', 'ë' => 'e', 'í' => 'i', 'ĺ' => 'l', 'ľ' => 'l',
 42:                 'ň' => 'n', 'ô' => 'o', 'ó' => 'o', 'ö' => 'o', 'ŕ' => 'r',
 43:                 'ř' => 'r', 'š' => 's', 'ť' => 't', 'ú' => 'u', 'ů' => 'u',
 44:                 'ü' => 'u', 'ý' => 'y', 'ž' => 'z', 'Á' => 'A', 'Ä' => 'A',
 45:                 'Č' => 'C', 'Ď' => 'D', 'É' => 'E', 'Ě' => 'E', 'Ë' => 'E',
 46:                 'Í' => 'I', 'Ľ' => 'L', 'Ň' => 'N', 'Ó' => 'O', 'Ö' => 'O',
 47:                 'Ô' => 'O', 'Ř' => 'R', 'Ŕ' => 'R', 'Š' => 'S', 'Ť' => 'T',
 48:                 'Ú' => 'U', 'Ů' => 'U', 'Ü' => 'U', 'Ý' => 'Y', 'Ž' => 'Z',
 49:                 'ś' => 's', 'Ś' => 'S', 'Ĺ' => 'L',
 50:                 );
 51: 
 52:             $string = strtr($string, $table);
 53: 
 54:         } else {
 55:             $string = @iconv('UTF-8', 'ASCII//TRANSLIT', $string);
 56:         }
 57: 
 58:         return str_replace(array('`', '\'', '"', '^', '~'), '', $string);
 59:     }
 60: 
 61: 
 62:     public static function simple_format($string)
 63:     {
 64:         if (empty($string) === TRUE) {
 65:             return '';
 66:         }
 67: 
 68:         $string = self::typography($string);
 69: 
 70:         // email
 71:         $string = preg_replace('/(\s+)((?:(?:(?:[^@,"\[\]\x5c\x00-\x20\x7f-\xff\.]|\x5c(?=[@,"\[\]\x5c\x00-\x20\x7f-\xff]))(?:[^@,"\[\]\x5c\x00-\x20\x7f-\xff\.]|(?<=\x5c)[@,"\[\]\x5c\x00-\x20\x7f-\xff]|\x5c(?=[@,"\[\]\x5c\x00-\x20\x7f-\xff])|\.(?=[^\.])){1,62}(?:[^@,"\[\]\x5c\x00-\x20\x7f-\xff\.]|(?<=\x5c)[@,"\[\]\x5c\x00-\x20\x7f-\xff])|[^@,"\[\]\x5c\x00-\x20\x7f-\xff\.]{1,2})|"(?:[^"]|(?<=\x5c)"){1,62}")@(?:(?!.{64})(?:[a-zA-Z0-9][a-zA-Z0-9-]{1,61}[a-zA-Z0-9]\.?|[a-zA-Z0-9])+\.(?:xn--[a-zA-Z0-9]+|[a-zA-Z]{2,6})|\[(?:[0-1]?\d?\d|2[0-4]\d|25[0-5])(?:\.(?:[0-1]?\d?\d|2[0-4]\d|25[0-5])){3}\]))([\s\.]+)/', '$1<a href="mailto:$2">$2</a>$3', $string);
 72:         // URI
 73:         $string = preg_replace('@(?i)\b((?:[a-z][\w-]+:(?:/{1,3}|[a-z0-9%])|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:\'".,<>?«»“”‘’]))@', '<a href="$1">$1</a>', $string);
 74: 
 75:         // Odstavce
 76:         $string = str_replace(chr(13).chr(10), chr(10), $string);
 77:         $string = str_replace(chr(13), chr(10), $string);
 78:         $string = str_replace(chr(10).chr(10), '</p><p>', $string);
 79:         $string = str_replace(chr(10), '<br />', $string);
 80:         return '<p>' . $string . '</p>';
 81:     }
 82: 
 83: 
 84:     public static function format($string, $top = 2, $safe = FALSE)
 85:     {
 86:         if (empty($string) === TRUE) {
 87:             return '';
 88:         }
 89: 
 90:         $hash = md5($string);
 91: 
 92:         if (file_exists(CACHE_DIR . '/texy/' . $hash) === TRUE
 93:             AND DEBUG === FALSE) {
 94: 
 95:             return file_get_contents(CACHE_DIR . '/texy/' . $hash);
 96:         }
 97: 
 98:         //$string = self::typography($string);
 99: 
100:         $texy = new Texy();
101:         $texy->setOutputMode(Texy::XHTML1_STRICT);
102:         $texy->imageModule->leftClass = 'left';
103:         $texy->imageModule->rightClass = 'right';
104:         $texy->imageModule->root = 'files/images';
105:         $texy->headingModule->top = $top;
106:         $texy->allowed['longwords'] = FALSE;
107:         $texy->obfuscateEmail = FALSE;
108:         $texy->allowed['html/tag'] = TRUE;
109:         $texy->allowed['phrase/sup'] = TRUE; // zapne ^^superscript^^
110:         $texy->allowed['phrase/sub'] = TRUE;
111:         $texy->htmlOutputModule->lineWrap = FALSE;
112:         $texy->htmlOutputModule->indent = FALSE;
113:         $texy->mergeLines = FALSE;
114: 
115:         $texy->addHandler('image', array('Photos', 'texy_photo'));
116: 
117:         if ($safe === TRUE) {
118:             TexyConfigurator::safeMode($texy);
119: 
120:             $texy->urlSchemeFilters[Texy::FILTER_ANCHOR] = '#https?:|ftp:|mailto:#A';
121:             $texy->urlSchemeFilters[Texy::FILTER_IMAGE] = '#https?:#A';
122: 
123:             $texy->allowed['heading/surrounded'] = FALSE;
124:             $texy->allowed['heading/underlined'] = FALSE;
125:             $texy->mergeLines = FALSE;
126:         }
127: 
128:         $html = $texy->process($string);
129: 
130:         file_put_contents(CACHE_DIR . '/texy/' . $hash, $html);
131: 
132:         return $html;
133:     }
134: 
135: 
136:     public static function typography($string)
137:     {
138:         if (empty($string) === TRUE) {
139:             return '';
140:         }
141: 
142:         // Výpustka
143:         $string = str_replace('...', '…', $string);
144: 
145:         // Úvodzovky
146:         $string = preg_replace('|(")(.*?)(")|ms', '„$2“', $string);
147: 
148:         // Zátvorky
149:         $string = str_replace(array(' )', '( '), array(') ', ' ('), $string);
150: 
151:         // jednotky
152:         $string = preg_replace('#(\d+?)(\%|l|ml|dl|cl|cm|mm|m|km|kg|g)([\s\.]+)#', '$1&nbsp;$2$3', $string);
153:         $string = preg_replace('|([\ \d]+?)m2|', '$1&nbsp;m²', $string);
154:         $string = preg_replace('|([\ \d]+?)m3|', '$1&nbsp;m³', $string);
155: 
156:         // formátovanie čísel
157:         preg_match_all('|(\s+)(\d{4,})([\s\.\,]+)|', $string, $matches);
158:         while (empty($matches[2]) === FALSE) {
159:             foreach ($matches[2] as $number) {
160:                 $formated_number = number_format($number, 0, ',', ' ');
161:                 $formated_number = str_replace(' ', '&#8239;', $formated_number);
162:                 $string = str_replace($number, $formated_number, $string);
163:             }
164: 
165:             preg_match_all('|(\s+)(\d{4,})([\s\.\,]+)|', $string, $matches);
166:         }
167: 
168:         // Spojky a predložky
169:         $string = preg_replace('| (.{1,2}) |', ' $1&nbsp;', $string);
170: 
171:         // Bodky
172:         $string = str_replace(array(' .', ' ,'), array('. ', ', '), $string);
173: 
174:         // Zdvojené medzery
175:         $string = preg_replace('| {2,}|', ' ', $string);
176: 
177:         return $string;
178:     }
179: 
180:     public static function split_by_upper_chars($string)
181:     {
182:         return preg_split('/([A-Z]+[a-z]*)/', $string, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
183:     }
184: 
185: 
186:     public static function random_string($length = 9, $strength = 0)
187:     {
188:         $vowels = 'aeiouy';
189:         $consonants = 'bdghjmnpqrstvz';
190:         if ($strength & 1) {
191:             $consonants .= 'BDGHJLMNPQRSTVWXZ';
192:         }
193: 
194:         if ($strength & 2) {
195:             $vowels .= 'AEIOUY';
196:         }
197: 
198:         if ($strength & 4) {
199:             $consonants .= '123456789';
200:         }
201: 
202:         if ($strength & 8) {
203:             $consonants .= '@#$%';
204:         }
205: 
206:         $password = '';
207:         $alt = microtime() % 2;
208:         for ($i = 0; $i < $length; $i++) {
209:             if ($alt === 1) {
210:                 $password .= $consonants[(rand() % strlen($consonants))];
211:                 $alt = 0;
212: 
213:             } else {
214:                 $password .= $vowels[(rand() % strlen($vowels))];
215:                 $alt = 1;
216:             }
217:         }
218: 
219:         return $password;
220:     }
221: 
222: 
223:     public static function wordwrap($str, $width, $break) {
224:         $formatted = '';
225:         $position = -1;
226:         $prev_position = 0;
227:         $last_line = -1;
228: 
229:         while($position = mb_stripos($str, ' ', ++$position, 'utf-8')) {
230:             if($position > $last_line + $width + 1) {
231:                 $formatted.= mb_substr($str, $last_line + 1, $prev_position - $last_line - 1, 'utf-8').$break;
232:                 $last_line = $prev_position;
233:             }
234:             $prev_position = $position;
235:         }
236: 
237:         $formatted.= mb_substr($str, $last_line + 1, mb_strlen($str), 'utf-8');
238:         return $formatted;
239:     }
240: }