diff -r af4103f0e93f -r 26aa6fd94dc2 Helpviewer/GreaseMonkey/GreaseMonkeyUrlMatcher.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Helpviewer/GreaseMonkey/GreaseMonkeyUrlMatcher.py Sun Jul 22 15:32:52 2012 +0200
@@ -0,0 +1,106 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2012 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the GreaseMonkey URL matcher.
+"""
+
+import re
+
+from PyQt4.QtCore import Qt, QRegExp
+
+
+def wildcardMatch(string, pattern):
+ """
+ Module function implementing a special wildcard matcher.
+
+ @param string string to match (string)
+ @param pattern pattern to be used (string)
+ """
+ stringSize = len(string)
+
+ startsWithWildcard = pattern.startswith("*")
+ endsWithWildcard = pattern.endswith("*")
+
+ parts = pattern.split("*")
+ pos = 0
+
+ if startsWithWildcard:
+ pos = string.find(parts[1])
+ if pos == -1:
+ return False
+
+ for part in parts:
+ pos = string.find(part, pos)
+ if pos == -1:
+ return False
+
+ if not endsWithWildcard and stringSize - pos != len(parts[-1]):
+ return False
+
+ return True
+
+
+class GreaseMonkeyUrlMatcher(object):
+ """
+ Class implementing the GreaseMonkey URL matcher.
+ """
+ def __init__(self, pattern):
+ """
+ Constructor
+
+ @param pattern pattern to be used for the matching (string)
+ """
+ self.__pattern = pattern
+ self.__matchString = ""
+ self.__regExp = QRegExp()
+ self.__useRegExp = False
+
+ self.__parsePattern(self.__pattern)
+
+ def pattern(self):
+ """
+ Public method to get the match pattern.
+
+ @return match pattern (string)
+ """
+ return self.__pattern
+
+ def match(self, urlString):
+ """
+ Public method to match the given URL.
+
+ @param urlString URL to match (string)
+ """
+ if self.__useRegExp:
+ return self.__regExp.indexIn(urlString) != -1
+ else:
+ return wildcardMatch(urlString, self.__matchString)
+
+ def __parsePattern(self, pattern):
+ """
+ Private method to parse the match pattern.
+
+ @param pattern match pattern to be used (string)
+ """
+ if pattern.startswith("/") and pattern.endswith("/"):
+ pattern = pattern[1:-1]
+
+ self.__regExp = QRegExp(pattern, Qt.CaseInsensitive)
+ self.__useRegExp = True
+ elif ".tld" in pattern:
+ pattern = re.sub(r"(\W)", r"\\\1", pattern) # escape special symbols
+ pattern = re.sub(r"\*+", "*", pattern) # remove multiple wildcards
+ pattern = re.sub(r"^\\\|", "^", pattern) # process anchor at expression
+ # start
+ pattern = re.sub(r"\\\|$", "$", pattern) # process anchor at expression
+ # end
+ pattern = re.sub(r"\\\*", ".*", pattern) # replace wildcards by .*
+ pattern = re.sub(r"\.tld", r"\.[a-z.]{2,6}") # replace domain pattern
+
+ self.__useRegExp = True
+ self.__regExp = QRegExp(pattern, Qt.CaseInsensitive)
+ else:
+ self.__matchString = pattern
