Mercurial Repositories > eric / file diff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/E5XML/XMLStreamReaderBase.py	Thu Sep 09 08:46:07 2010 +0200
@@ -0,0 +1,91 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2010 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a base class for all of eric5s XML stream writers.
+"""
+
+import pickle
+import base64
+
+from PyQt4.QtCore import QXmlStreamReader, QCoreApplication
+
+class XMLStreamReaderBase(QXmlStreamReader):
+    """
+    Class implementing a base class for all of eric5s XML stream readers.
+    """
+    def __init__(self, device):
+        """
+        Constructor
+        
+        @param device reference to the I/O device to read from (QIODevice)
+        """
+        QXmlStreamReader.__init__(self, device)
+        
+        self.NEWPARA = chr(0x2029)
+        self.NEWLINE = chr(0x2028)
+    
+    def decodedNewLines(self, text):
+        """
+        Public method to decode newlines and paragraph breaks.
+        
+        @param text text to decode (string)
+        """
+        return text.replace(self.NEWPARA, "\n\n").replace(self.NEWLINE, "\n")
+    
+    def _skipUnknownElement(self):
+        """
+        Protected 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()
+    
+    def _readBasics(self):
+        """
+        Protected method to read am object of a basic Python type.
+        
+        @return Python object read
+        """
+        while not self.atEnd():
+            self.readNext()
+            if self.isStartElement():
+                try:
+                    if self.name() == "none":
+                        return None
+                    elif self.name() == "int":
+                        return int(self.readElementText())
+                    elif self.name() == "bool":
+                        b = self.readElementText()
+                        if b == "True":
+                            return True
+                        else:
+                            return False
+                    elif self.name() == "float":
+                        return float(self.readElementText())
+                    elif self.name() == "complex":
+                        real, imag = self.readElementText().split()
+                        return float(real) + float(imag)*1j
+                    elif self.name() == "string":
+                        return self.readElementText()
+                    elif self.name() == "bytes":
+                        by = bytes(
+                            [int(b) for b in self.readElementText().split(",")])
+                        return by
+                    elif self.name() == "bytearray":
+                        by = bytearray(
+                            [int(b) for b in self.readElementText().split(",")])
+                        return by
+                    else:
+                        self._skipUnknownElement()
+                except ValueError as err:
+                    self.raiseError(str(err))