diff -r 4e8b98454baa -r 800c432b34c8 eric7/WebBrowser/UserAgent/UserAgentReader.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric7/WebBrowser/UserAgent/UserAgentReader.py Sat May 15 18:45:04 2021 +0200
@@ -0,0 +1,97 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2012 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+
+"""
+Module implementing a class to read user agent data files.
+"""
+
+from PyQt5.QtCore import QXmlStreamReader, QIODevice, QFile, QCoreApplication
+
+
+class UserAgentReader(QXmlStreamReader):
+ """
+ Class implementing a reader object for user agent data files.
+ """
+ def __init__(self):
+ """
+ Constructor
+ """
+ super().__init__()
+
+ def read(self, fileNameOrDevice):
+ """
+ Public method to read a user agent file.
+
+ @param fileNameOrDevice name of the file to read (string)
+ or reference to the device to read (QIODevice)
+ @return dictionary with user agent data (host as key, agent string as
+ value)
+ """
+ self.__agents = {}
+
+ if isinstance(fileNameOrDevice, QIODevice):
+ self.setDevice(fileNameOrDevice)
+ else:
+ f = QFile(fileNameOrDevice)
+ if not f.exists():
+ return self.__agents
+ f.open(QFile.ReadOnly)
+ self.setDevice(f)
+
+ while not self.atEnd():
+ self.readNext()
+ if self.isStartElement():
+ version = self.attributes().value("version")
+ if (
+ self.name() == "UserAgents" and
+ (not version or version == "1.0")
+ ):
+ self.__readUserAgents()
+ else:
+ self.raiseError(QCoreApplication.translate(
+ "UserAgentReader",
+ "The file is not a UserAgents version 1.0 file."))
+
+ return self.__agents
+
+ def __readUserAgents(self):
+ """
+ Private method to read the user agents data.
+ """
+ if not self.isStartElement() and self.name() != "UserAgents":
+ return
+
+ while not self.atEnd():
+ self.readNext()
+ if self.isEndElement():
+ if self.name() == "UserAgent":
+ continue
+ else:
+ break
+
+ if self.isStartElement():
+ if self.name() == "UserAgent":
+ attributes = self.attributes()
+ host = attributes.value("host")
+ agent = attributes.value("agent")
+ self.__agents[host] = agent
+ else:
+ self.__skipUnknownElement()
+
+ def __skipUnknownElement(self):
+ """
+ Private method to skip over all unknown elements.
+ """
+ if not self.isStartElement():
+ return
+
+ while not self.atEnd():
+ self.readNext()
+ if self.isEndElement():
+ break
+
+ if self.isStartElement():
+ self.__skipUnknownElement()
