Go to the documentation of this file.00001 """
00002 Created on Nov 22, 2014
00003
00004 Software License Agreement (BSD License)
00005 Copyright (c) 2014, LABUST, UNIZG-FER
00006 All rights reserved.
00007
00008 Redistribution and use in source and binary forms, with or without
00009 modification, are permitted provided that the following conditions
00010 are met:
00011
00012 * Redistributions of source code must retain the above copyright
00013 notice, this list of conditions and the following disclaimer.
00014 * Redistributions in binary form must reproduce the above
00015 copyright notice, this list of conditions and the following
00016 disclaimer in the documentation and/or other materials provided
00017 with the distribution.
00018 * Neither the name of the LABUST nor the names of its
00019 contributors may be used to endorse or promote products derived
00020 from this software without specific prior written permission.
00021
00022 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
00023 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00024 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
00025 FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
00026 COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
00027 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
00028 BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
00029 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00030 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00031 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
00032 ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00033 POSSIBILITY OF SUCH DAMAGE.
00034
00035 @author: Dula Nad
00036 """
00037
00038 class Variable:
00039 """
00040 Represents the C++ data member/variable in the object form.
00041
00042 Class attributes:
00043 _XMLTAG -- constant string with the xml tag description
00044 """
00045 _XMLTAG = 'var'
00046
00047 def __init__(self, xmlnode = None):
00048 """
00049 Populates the variable from a XML node info.
00050 When the XML node is not defined, does nothing.
00051
00052 xmlnode -- the XML node with the member definition
00053
00054 Required attributes:
00055 name -- name of the variable
00056 type -- type name of the variable
00057 Optional attributes:
00058 bits - number of bits that should be reserved for the variable
00059 min - minimal value of the variable
00060 max - maximal value of the variable
00061 quant - the quantization of the variable
00062 cond - conditional serialization (will be serialized only when the value is True)
00063 default - the default value of the variable
00064 """
00065 self.name = 'unnamed'
00066 self.type = 'void'
00067 self.default = None
00068 self.cond = None
00069 self.bits = None
00070 self.min = None
00071 self.max = None
00072 self.quant = None
00073
00074 if xmlnode != None: self.from_xml(xmlnode)
00075
00076 def from_xml(self, xmlnode):
00077 """
00078 Extracts the variable attributes from the XML node.
00079
00080 xmlnode -- the XML node with the member definition
00081 """
00082
00083 if xmlnode.tag != self._XMLTAG:
00084 raise NameError(self.__class__.__name__ +
00085 ' expected XML tag: "' +
00086 self._XMLTAG +
00087 '"')
00088
00089 self.name = xmlnode.get('name',self.name)
00090 self.type = xmlnode.get('type',self.type)
00091 self.default = xmlnode.get('default', self.default)
00092 self.cond = xmlnode.get('if', self.cond)
00093 self.bits = xmlnode.get('bits', self.bits)
00094 self.min = xmlnode.get('min', self.min)
00095 self.max = xmlnode.get('max', self.max)
00096 self.quant = xmlnode.get('quant', self.quant)
00097
00098