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   1 package net.sourceforge.phpeclipse.xdebug.core;
   2
   3 import java.util.regex.Matcher;
   4 import java.util.regex.Pattern;
   5
   6 import org.w3c.dom.NamedNodeMap;
   7 import org.w3c.dom.Node;
   8
   9 public class PHPDebugUtils {
  10         public static String getAttributeValue(Node CurrentNode,
  11                         String AttributeName) {
  12                 String strValue = "";
  13                 if (CurrentNode.hasAttributes()) {
  14                         NamedNodeMap listAttribute = CurrentNode.getAttributes();
  15                         Node attribute = listAttribute.getNamedItem(AttributeName);
  16                         if (attribute != null)
  17                                 strValue = attribute.getNodeValue();
  18                 }
  19                 return strValue;
  20         }
  21
  22         public static String escapeString(String string) {
  23                 StringBuffer escString = new StringBuffer();
  24                 Pattern pattern = Pattern.compile("[a-zA-Z0-9\\._-]");
  25                 Matcher matcher;
  26                 for (int i = 0; i < string.length(); i++) {
  27                         char c = string.charAt(i);
  28                         matcher = pattern.matcher("" + c);
  29                         if (matcher.find())
  30                                 escString.append(c);
  31                         else {
  32                                 int hexval = (byte) c;
  33                                 escString.append("%"
  34                                                 + Integer.toHexString(hexval).toUpperCase());
  35
  36                         }
  37                 }
  38                 return escString.toString();
  39         }
  40
  41         public static String unescapeString(String escString) {
  42                 StringBuffer string = new StringBuffer();
  43                 if (escString.indexOf('%') == -1)
  44                         return escString;
  45                 String[] s = escString.split("%");
  46                 string.append(s[0]);
  47                 for (int i = 1; i < s.length; i++) {
  48                         int c = Integer.parseInt(s[i].substring(0, 2), 16);
  49                         string.append((char) c);
  50                         if (s[i].length() > 2)
  51                                 string.append(s[i].substring(2));
  52
  53                 }
  54                 return string.toString();
  55
  56         }
  57
  58 }