Mercurial Repositories > eric / file comparison
comparison: E5XML/XMLStreamReaderBase.py
E5XML/XMLStreamReaderBase.py
- changeset 574
- c45f896e4c66
- child 575
- 5a008db344ea
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| 573:3fd49348ea83 | 574:c45f896e4c66 |
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2010 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a base class for all of eric5s XML stream writers. | |
| 8 """ | |
| 9 | |
| 10 import pickle | |
| 11 import base64 | |
| 12 | |
| 13 from PyQt4.QtCore import QXmlStreamReader, QCoreApplication | |
| 14 | |
| 15 class XMLStreamReaderBase(QXmlStreamReader): | |
| 16 """ | |
| 17 Class implementing a base class for all of eric5s XML stream readers. | |
| 18 """ | |
| 19 def __init__(self, device): | |
| 20 """ | |
| 21 Constructor | |
| 22 | |
| 23 @param device reference to the I/O device to read from (QIODevice) | |
| 24 """ | |
| 25 QXmlStreamReader.__init__(self, device) | |
| 26 | |
| 27 self.NEWPARA = chr(0x2029) | |
| 28 self.NEWLINE = chr(0x2028) | |
| 29 | |
| 30 def decodedNewLines(self, text): | |
| 31 """ | |
| 32 Public method to decode newlines and paragraph breaks. | |
| 33 | |
| 34 @param text text to decode (string) | |
| 35 """ | |
| 36 return text.replace(self.NEWPARA, "\n\n").replace(self.NEWLINE, "\n") | |
| 37 | |
| 38 def _skipUnknownElement(self): | |
| 39 """ | |
| 40 Protected method to skip over all unknown elements. | |
| 41 """ | |
| 42 if not self.isStartElement(): | |
| 43 return | |
| 44 | |
| 45 while not self.atEnd(): | |
| 46 self.readNext() | |
| 47 if self.isEndElement(): | |
| 48 break | |
| 49 | |
| 50 if self.isStartElement(): | |
| 51 self._skipUnknownElement() | |
| 52 | |
| 53 def _readBasics(self): | |
| 54 """ | |
| 55 Protected method to read am object of a basic Python type. | |
| 56 | |
| 57 @return Python object read | |
| 58 """ | |
| 59 while not self.atEnd(): | |
| 60 self.readNext() | |
| 61 if self.isStartElement(): | |
| 62 try: | |
| 63 if self.name() == "none": | |
| 64 return None | |
| 65 elif self.name() == "int": | |
| 66 return int(self.readElementText()) | |
| 67 elif self.name() == "bool": | |
| 68 b = self.readElementText() | |
| 69 if b == "True": | |
| 70 return True | |
| 71 else: | |
| 72 return False | |
| 73 elif self.name() == "float": | |
| 74 return float(self.readElementText()) | |
| 75 elif self.name() == "complex": | |
| 76 real, imag = self.readElementText().split() | |
| 77 return float(real) + float(imag)*1j | |
| 78 elif self.name() == "string": | |
| 79 return self.readElementText() | |
| 80 elif self.name() == "bytes": | |
| 81 by = bytes( | |
| 82 [int(b) for b in self.readElementText().split(",")]) | |
| 83 return by | |
| 84 elif self.name() == "bytearray": | |
| 85 by = bytearray( | |
| 86 [int(b) for b in self.readElementText().split(",")]) | |
| 87 return by | |
| 88 else: | |
| 89 self._skipUnknownElement() | |
| 90 except ValueError as err: | |
| 91 self.raiseError(str(err)) |
