python (3.11.7)
1 """Different kinds of SAX Exceptions"""
2 import sys
3 if sys.platform[:4] == "java":
4 from java.lang import Exception
5 del sys
6
7 # ===== SAXEXCEPTION =====
8
9 class ESC[4;38;5;81mSAXException(ESC[4;38;5;149mException):
10 """Encapsulate an XML error or warning. This class can contain
11 basic error or warning information from either the XML parser or
12 the application: you can subclass it to provide additional
13 functionality, or to add localization. Note that although you will
14 receive a SAXException as the argument to the handlers in the
15 ErrorHandler interface, you are not actually required to raise
16 the exception; instead, you can simply read the information in
17 it."""
18
19 def __init__(self, msg, exception=None):
20 """Creates an exception. The message is required, but the exception
21 is optional."""
22 self._msg = msg
23 self._exception = exception
24 Exception.__init__(self, msg)
25
26 def getMessage(self):
27 "Return a message for this exception."
28 return self._msg
29
30 def getException(self):
31 "Return the embedded exception, or None if there was none."
32 return self._exception
33
34 def __str__(self):
35 "Create a string representation of the exception."
36 return self._msg
37
38 def __getitem__(self, ix):
39 """Avoids weird error messages if someone does exception[ix] by
40 mistake, since Exception has __getitem__ defined."""
41 raise AttributeError("__getitem__")
42
43
44 # ===== SAXPARSEEXCEPTION =====
45
46 class ESC[4;38;5;81mSAXParseException(ESC[4;38;5;149mSAXException):
47 """Encapsulate an XML parse error or warning.
48
49 This exception will include information for locating the error in
50 the original XML document. Note that although the application will
51 receive a SAXParseException as the argument to the handlers in the
52 ErrorHandler interface, the application is not actually required
53 to raise the exception; instead, it can simply read the
54 information in it and take a different action.
55
56 Since this exception is a subclass of SAXException, it inherits
57 the ability to wrap another exception."""
58
59 def __init__(self, msg, exception, locator):
60 "Creates the exception. The exception parameter is allowed to be None."
61 SAXException.__init__(self, msg, exception)
62 self._locator = locator
63
64 # We need to cache this stuff at construction time.
65 # If this exception is raised, the objects through which we must
66 # traverse to get this information may be deleted by the time
67 # it gets caught.
68 self._systemId = self._locator.getSystemId()
69 self._colnum = self._locator.getColumnNumber()
70 self._linenum = self._locator.getLineNumber()
71
72 def getColumnNumber(self):
73 """The column number of the end of the text where the exception
74 occurred."""
75 return self._colnum
76
77 def getLineNumber(self):
78 "The line number of the end of the text where the exception occurred."
79 return self._linenum
80
81 def getPublicId(self):
82 "Get the public identifier of the entity where the exception occurred."
83 return self._locator.getPublicId()
84
85 def getSystemId(self):
86 "Get the system identifier of the entity where the exception occurred."
87 return self._systemId
88
89 def __str__(self):
90 "Create a string representation of the exception."
91 sysid = self.getSystemId()
92 if sysid is None:
93 sysid = "<unknown>"
94 linenum = self.getLineNumber()
95 if linenum is None:
96 linenum = "?"
97 colnum = self.getColumnNumber()
98 if colnum is None:
99 colnum = "?"
100 return "%s:%s:%s: %s" % (sysid, linenum, colnum, self._msg)
101
102
103 # ===== SAXNOTRECOGNIZEDEXCEPTION =====
104
105 class ESC[4;38;5;81mSAXNotRecognizedException(ESC[4;38;5;149mSAXException):
106 """Exception class for an unrecognized identifier.
107
108 An XMLReader will raise this exception when it is confronted with an
109 unrecognized feature or property. SAX applications and extensions may
110 use this class for similar purposes."""
111
112
113 # ===== SAXNOTSUPPORTEDEXCEPTION =====
114
115 class ESC[4;38;5;81mSAXNotSupportedException(ESC[4;38;5;149mSAXException):
116 """Exception class for an unsupported operation.
117
118 An XMLReader will raise this exception when a service it cannot
119 perform is requested (specifically setting a state or value). SAX
120 applications and extensions may use this class for similar
121 purposes."""
122
123 # ===== SAXNOTSUPPORTEDEXCEPTION =====
124
125 class ESC[4;38;5;81mSAXReaderNotAvailable(ESC[4;38;5;149mSAXNotSupportedException):
126 """Exception class for a missing driver.
127
128 An XMLReader module (driver) should raise this exception when it
129 is first imported, e.g. when a support module cannot be imported.
130 It also may be raised during parsing, e.g. if executing an external
131 program is not permitted."""
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