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  1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (https://nette.org)
  5:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
  6:  */
  7: 
  8: namespace Nette\Diagnostics;
  9: 
 10: use Nette;
 11: 
 12: 
 13: /**
 14:  * Rendering helpers for Debugger.
 15:  *
 16:  * @author     David Grudl
 17:  */
 18: class Helpers
 19: {
 20: 
 21:     /**
 22:      * Returns link to editor.
 23:      * @return Nette\Utils\Html
 24:      */
 25:     public static function editorLink($file, $line)
 26:     {
 27:         if (Debugger::$editor && is_file($file)) {
 28:             $dir = dirname(strtr($file, '/', DIRECTORY_SEPARATOR));
 29:             $base = isset($_SERVER['SCRIPT_FILENAME']) ? dirname(dirname(strtr($_SERVER['SCRIPT_FILENAME'], '/', DIRECTORY_SEPARATOR))) : dirname($dir);
 30:             if (substr($dir, 0, strlen($base)) === $base) {
 31:                 $dir = '...' . substr($dir, strlen($base));
 32:             }
 33:             return Nette\Utils\Html::el('a')
 34:                 ->href(strtr(Debugger::$editor, array('%file' => rawurlencode($file), '%line' => $line)))
 35:                 ->title("$file:$line")
 36:                 ->setHtml(htmlSpecialChars(rtrim($dir, DIRECTORY_SEPARATOR)) . DIRECTORY_SEPARATOR . '<b>' . htmlSpecialChars(basename($file)) . '</b>');
 37:         } else {
 38:             return Nette\Utils\Html::el('span')->setText($file);
 39:         }
 40:     }
 41: 
 42: 
 43:     /**
 44:      * Internal dump() implementation.
 45:      * @param  mixed  variable to dump
 46:      * @param  int    current recursion level
 47:      * @return string
 48:      */
 49:     public static function htmlDump(&$var, $level = 0)
 50:     {
 51:         static $tableUtf, $tableBin, $reBinary = '#[^\x09\x0A\x0D\x20-\x7E\xA0-\x{10FFFF}]#u';
 52:         if ($tableUtf === NULL) {
 53:             foreach (range("\x00", "\xFF") as $ch) {
 54:                 if (ord($ch) < 32 && strpos("\r\n\t", $ch) === FALSE) {
 55:                     $tableUtf[$ch] = $tableBin[$ch] = '\\x' . str_pad(dechex(ord($ch)), 2, '0', STR_PAD_LEFT);
 56:                 } elseif (ord($ch) < 127) {
 57:                     $tableUtf[$ch] = $tableBin[$ch] = $ch;
 58:                 } else {
 59:                     $tableUtf[$ch] = $ch; $tableBin[$ch] = '\\x' . dechex(ord($ch));
 60:                 }
 61:             }
 62:             $tableBin["\\"] = '\\\\';
 63:             $tableBin["\r"] = '\\r';
 64:             $tableBin["\n"] = '\\n';
 65:             $tableBin["\t"] = '\\t';
 66:             $tableUtf['\\x'] = $tableBin['\\x'] = '\\\\x';
 67:         }
 68: 
 69:         if (is_bool($var)) {
 70:             return '<span class="php-bool">' . ($var ? 'TRUE' : 'FALSE') . "</span>\n";
 71: 
 72:         } elseif ($var === NULL) {
 73:             return "<span class=\"php-null\">NULL</span>\n";
 74: 
 75:         } elseif (is_int($var)) {
 76:             return "<span class=\"php-int\">$var</span>\n";
 77: 
 78:         } elseif (is_float($var)) {
 79:             $var = json_encode($var);
 80:             if (strpos($var, '.') === FALSE) {
 81:                 $var .= '.0';
 82:             }
 83:             return "<span class=\"php-float\">$var</span>\n";
 84: 
 85:         } elseif (is_string($var)) {
 86:             if (Debugger::$maxLen && strlen($var) > Debugger::$maxLen) {
 87:                 $s = htmlSpecialChars(substr($var, 0, Debugger::$maxLen), ENT_NOQUOTES, 'ISO-8859-1') . ' ... ';
 88:             } else {
 89:                 $s = htmlSpecialChars($var, ENT_NOQUOTES, 'ISO-8859-1');
 90:             }
 91:             $s = strtr($s, preg_match($reBinary, $s) || preg_last_error() ? $tableBin : $tableUtf);
 92:             $len = strlen($var);
 93:             return "<span class=\"php-string\">\"$s\"</span>" . ($len > 1 ? " ($len)" : "") . "\n";
 94: 
 95:         } elseif (is_array($var)) {
 96:             $s = '<span class="php-array">array</span>(' . count($var) . ") ";
 97:             $space = str_repeat($space1 = '   ', $level);
 98:             $brackets = range(0, count($var) - 1) === array_keys($var) ? "[]" : "{}";
 99: 
100:             static $marker;
101:             if ($marker === NULL) {
102:                 $marker = uniqid("\x00", TRUE);
103:             }
104:             if (empty($var)) {
105: 
106:             } elseif (isset($var[$marker])) {
107:                 $brackets = $var[$marker];
108:                 $s .= "$brackets[0] *RECURSION* $brackets[1]";
109: 
110:             } elseif ($level < Debugger::$maxDepth || !Debugger::$maxDepth) {
111:                 $s .= "<code>$brackets[0]\n";
112:                 $var[$marker] = $brackets;
113:                 foreach ($var as $k => &$v) {
114:                     if ($k === $marker) {
115:                         continue;
116:                     }
117:                     $k = strtr($k, preg_match($reBinary, $k) || preg_last_error() ? $tableBin : $tableUtf);
118:                     $k = htmlSpecialChars(preg_match('#^\w+$#', $k) ? $k : "\"$k\"");
119:                     $s .= "$space$space1<span class=\"php-key\">$k</span> => " . self::htmlDump($v, $level + 1);
120:                 }
121:                 unset($var[$marker]);
122:                 $s .= "$space$brackets[1]</code>";
123: 
124:             } else {
125:                 $s .= "$brackets[0] ... $brackets[1]";
126:             }
127:             return $s . "\n";
128: 
129:         } elseif (is_object($var)) {
130:             if ($var instanceof \Closure) {
131:                 $rc = new \ReflectionFunction($var);
132:                 $arr = array();
133:                 foreach ($rc->getParameters() as $param) {
134:                     $arr[] = '$' . $param->getName();
135:                 }
136:                 $arr = array('file' => $rc->getFileName(), 'line' => $rc->getStartLine(), 'parameters' => implode(', ', $arr));
137:             } else {
138:                 $arr = (array) $var;
139:             }
140:             $s = '<span class="php-object">' . get_class($var) . "</span>(" . count($arr) . ") ";
141:             $space = str_repeat($space1 = '   ', $level);
142: 
143:             static $list = array();
144:             if (empty($arr)) {
145: 
146:             } elseif (in_array($var, $list, TRUE)) {
147:                 $s .= "{ *RECURSION* }";
148: 
149:             } elseif ($level < Debugger::$maxDepth || !Debugger::$maxDepth || $var instanceof \Closure) {
150:                 $s .= "<code>{\n";
151:                 $list[] = $var;
152:                 foreach ($arr as $k => &$v) {
153:                     $m = '';
154:                     if ($k[0] === "\x00") {
155:                         $m = ' <span class="php-visibility">' . ($k[1] === '*' ? 'protected' : 'private') . '</span>';
156:                         $k = substr($k, strrpos($k, "\x00") + 1);
157:                     }
158:                     $k = strtr($k, preg_match($reBinary, $k) || preg_last_error() ? $tableBin : $tableUtf);
159:                     $k = htmlSpecialChars(preg_match('#^\w+$#', $k) ? $k : "\"$k\"");
160:                     $s .= "$space$space1<span class=\"php-key\">$k</span>$m => " . self::htmlDump($v, $level + 1);
161:                 }
162:                 array_pop($list);
163:                 $s .= "$space}</code>";
164: 
165:             } else {
166:                 $s .= "{ ... }";
167:             }
168:             return $s . "\n";
169: 
170:         } elseif (is_resource($var)) {
171:             $type = get_resource_type($var);
172:             $s = '<span class="php-resource">' . htmlSpecialChars($type) . " resource</span> ";
173: 
174:             static $info = array('stream' => 'stream_get_meta_data', 'curl' => 'curl_getinfo');
175:             if (isset($info[$type])) {
176:                 $space = str_repeat($space1 = '   ', $level);
177:                 $s .= "<code>{\n";
178:                 foreach (call_user_func($info[$type], $var) as $k => $v) {
179:                     $s .= $space . $space1 . '<span class="php-key">' . htmlSpecialChars($k) . "</span> => " . self::htmlDump($v, $level + 1);
180:                 }
181:                 $s .= "$space}</code>";
182:             }
183:             return $s . "\n";
184: 
185:         } else {
186:             return "<span>unknown type</span>\n";
187:         }
188:     }
189: 
190: 
191:     /**
192:      * Dumps variable.
193:      * @param  string
194:      * @return string
195:      */
196:     public static function clickableDump($dump, $collapsed = FALSE)
197:     {
198:         return '<pre class="nette-dump">' . preg_replace_callback(
199:             '#^( *)((?>[^(\r\n]{1,200}))\((\d+)\) <code>#m',
200:             function($m) use ($collapsed) {
201:                 return "$m[1]<a href='#' rel='next'>$m[2]($m[3]) "
202:                     . (($m[1] || !$collapsed) && ($m[3] < 7)
203:                     ? '<abbr>&#x25bc;</abbr> </a><code>'
204:                     : '<abbr>&#x25ba;</abbr> </a><code class="nette-collapsed">');
205:             },
206:             self::htmlDump($dump)
207:         ) . '</pre>';
208:     }
209: 
210: 
211:     public static function findTrace(array $trace, $method, & $index = NULL)
212:     {
213:         $m = explode('::', $method);
214:         foreach ($trace as $i => $item) {
215:             if (isset($item['function']) && $item['function'] === end($m)
216:                 && isset($item['class']) === isset($m[1])
217:                 && (!isset($item['class']) || $item['class'] === $m[0] || $m[0] === '*' || is_subclass_of($item['class'], $m[0]))
218:             ) {
219:                 $index = $i;
220:                 return $item;
221:             }
222:         }
223:     }
224: 
225: }
226: 
Nette 2.0 API documentation generated by ApiGen 2.8.0