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#!/usr/bin/env python
"""
@file binary2plain.py
@author Michael Behrisch
@date 2012-03-11
@version $Id: binary2plain.py 12093 2012-03-13 22:11:37Z behrisch $
Converter between SUMO's binary XML and plain XML
SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
Copyright (C) 2012-2012 DLR (http://www.dlr.de/) and contributors
All rights reserved
"""
import sys, struct
BYTE = 0
INTEGER = 1
FLOAT = 2
STRING = 3
LIST = 4
XML_TAG_START = 5
XML_TAG_END = 6
XML_ATTRIBUTE = 7
EDGE = 8
LANE = 9
POSITION_2D = 10
POSITION_3D = 11
COLOR = 12
NODE_TYPE = 13
EDGE_FUNCTION = 14
def read(content, format):
return struct.unpack(format, content.read(struct.calcsize(format)))
def readInt(content):
return read(content, "i")[0]
def readDouble(content):
return read(content, "d")[0]
def readString(content):
length = readInt(content)
return read(content, "%ss" % length)[0]
def readStringList(content):
n = read(content, "i")[0]
list = []
for i in range(n):
read(content, "B") #type
list.append(readString(content))
return list
out = sys.stdout
content = open(sys.argv[1], 'rb')
print read(content, "BBB") #sbx version
print readString(content) #sumo version
read(content, "B") #type
elements = readStringList(content)
read(content, "B") #type
attributes = readStringList(content)
read(content, "B") #type
nodeTypes = readStringList(content)
read(content, "B") #type
edgeTypes = readStringList(content)
stack = []
startOpen = False
while True:
typ = read(content, "B")
if typ == XML_TAG_START:
if startOpen:
out.write(">\n")
out.write(" " * len(stack))
stack.append(readInt(content))
out.write("<" + elements[stack[-1]])
startOpen = True
elif typ == XML_TAG_END:
if startOpen:
out.write(">")
out.write("</%s>" % elements[stack.pop()])
readInt(content)
elif typ == XML_ATTRIBUTE:
out.write(" %s=" % attributes[readInt(content)])
valType = read(content, "B")
if typ == BYTE:
out.write('"%s"' % read(content, "B"))
elif typ == INTEGER:
out.write('"%s"' % readInt(content))
elif typ == FLOAT:
out.write('"%s"' % readDouble(content))
elif typ == STRING:
out.write('"%s"' % readInt(content))
elif typ == LIST:
out.write('"%s"' % readInt(content))
elif typ == EDGE:
out.write('"%s"' % readInt(content))
elif typ == LANE:
out.write('"%s"' % readInt(content))
elif typ == POSITION_2D:
out.write('"%s,%s"' % (readDouble(content),readDouble(content)))
elif typ == POSITION_3D:
out.write('"%s,%s,%s"' % (readInt(content),readDouble(content),readDouble(content)))
elif typ == COLOR:
out.write('"%s,%s,%s"' % read(content, "BBB"))
elif typ == NODE_TYPE:
out.write('"%s"' % nodeTypes[readInt(content)])
elif typ == EDGE_FUNCTION:
out.write('"%s"' % edgeTypes[readInt(content)])
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