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#!/usr/bin/env python
import sys
from collections import OrderedDict
def join(iterable, delimeter):
s = ""
for i in iterable[:-1]:
s = s + i + delimeter
s = s + iterable[-1]
return s
cToPy = {"int": "c_int",
"float": "c_float",
"double": "c_double",
"char": "c_char",
"const char *": "c_char_p",
"char *": "c_char_p",
"bool": "c_bool"
}
cToCppPrefixes = { "string": "string(",
"String": "String(",
"char *": "strdup(",
"const char *": "strdup(",
"ResidueID": "ResidueID("
}
cToCppSuffixes = { "string": ")",
"String": ")",
"char *": ")",
"const char *": ")",
"ResidueID": ", ' ')"
}
cppToC = {"string": "const char *",
"String": "const char *",
"char *": "char *",
"const char *": "const char *",
"ResidueID": "int"
}
wrapPrefixes = { "string": "strdup(",
"String": "strdup(",
"char *": "strdup(",
"const char *": "strdup(",
'ResidueID':""
}
wrapSuffixes = { "string": ".c_str())",
"String": ".c_str())",
"char *": ")",
"const char *": ")",
"ResidueID": ".getResidueNumber()"
}
cFileName = sys.argv[1]
structures = OrderedDict()
name = None
comment = False
for line in open(cFileName, "r"):
line = line.strip()
if len(line) <= 0:
continue
# print line
l = line.split()
if line.startswith("private:"):
comment = True
continue
if line.startswith("public:"):
comment = False
continue
if name and comment and (line[-1] == "}" or ")" in line):
line = "// "+line
structures[name][line] = ""
comment = False
continue
if name and (line[-1] == "{" or "(" in line):
comment = True
if ")" in line:
line = "// "+line
structures[name][line] = ""
comment = False
if line.startswith("}"):
name = None
if line.startswith("struct") or line.startswith("class"):
name = l[1].split("{")[0]
if name =="MMB_EXPORT":
name = l[2].split("{")[0]
structures[name] = OrderedDict()
# print "class %s(Structure):" % name
continue
if name:
if comment:
line = "// "+line
structures[name][line] = ""
continue
# Check if constructor/destructor
field = line.split(";")[0]
if len(field.split()) < 2:
structures[name][field.split()[-1]] = "//"
continue
# Get type
t = join(field.split()[:-1], " ")
if t not in cToPy.keys()+cppToC.keys():
print "Unknown type: " + t + " in " + name
t = "//"+t
# Get field name
fieldName = field.split()[-1]
structures[name][fieldName] = t
# C wrapper
fileOut = open(sys.argv[2], "w")
for s in structures.keys():
fileOut.write("typedef struct %s_wrapper{\n" % s)
struct = structures[s]
# C structure
buff = "\tint mmbID;\n"
for field in struct.keys():
if field.startswith("//"):
buff += "\t%s\n" % field
else:
t = struct[field]
if t in cppToC.keys():
t = cppToC[t]
buff += "\t%s %s;\n" %(t, field)
fileOut.write(buff + "}%s_wrapper;\n\n" % s)
# Wrapping functions
# void updateX_wrapper(X & _struct_, X_wrapper * _wrap_) // copy _struct_ to _wrap_
buff = ""
buff += "void update%s_wrapper(%s & _struct_, %s_wrapper * _wrap_){\n" % (s,s,s)
for field in struct.keys():
if field.startswith("//"):
buff += "\t%s\n" % field
else:
t = struct[field]
if t.startswith("//"):
buff += "//"
wrapPrefix = ""
wrapSuffix = ""
if t in cppToC:
wrapPrefix = wrapPrefixes.get(t,"")
wrapSuffix = wrapSuffixes.get(t,"")
buff += "\t_wrap_->%s = %s_struct_.%s; //%s\n" %(field, wrapPrefix, field+wrapSuffix, t)
fileOut.write(buff + "\n}\n")
# void updateX(X_wrapper * _wrap_, X & _struct_) // copy _wrap_ to _struct_
buff = ""
buff += "void update%s(%s_wrapper * _wrap_, %s & _struct_){\n" % (s,s,s)
for field in struct.keys():
if field.startswith("//"):
buff += "\t%s\n" % field
else:
t = struct[field]
if t.startswith("//"): buff += "//"
wrapPrefix = ""
wrapSuffix = ""
if t in cppToC:
wrapPrefix = cToCppPrefixes.get(t,"")
wrapSuffix = cToCppSuffixes.get(t,"")
buff += "\t_struct_.%s = %s_wrap_->%s; //%s\n" %(field, wrapPrefix, field+wrapSuffix, t)
fileOut.write(buff + "\n}\n")
fileOut.close()
# Python wrapper
fileOut = open(sys.argv[3], "w")
fileOut.write("from ctypes import *\nfrom pyMMB import *\n\n")
for s in structures.keys():
fileOut.write("class %s_wrapper(Structure):\n" % s)
fileOut.write("\t_fields_ = [ \n")
struct = structures[s]
buff = "\t\t\t('mmbID', c_int),\n"
for field in struct.keys():
try:
t = struct[field]
if t in cppToC.keys(): t = cppToC[t]
buff += "\t\t\t('%s', %s),\n" %(field, cToPy[t])
except KeyError:
buff += "\t\t\t#('%s', %s),\n" %(field, struct[field]+ ": unknown ctype")
buff = buff[:-2] + "\n"
fileOut.write(buff + "\t\t\t]\n")
functionsCode = """
def __init__(self):
Structure.__init__(self)
# print "Init"
call('updateParameterReader_wrapper', byref(self))
Structure.__setattr__(self,"nonDefaultParameters",set())
def __setattr__(self, name, value):
# print __file__, "Set", name
#cmd(name + " " + str(value))
# We synchronize the wrapper with MMB to avoid changing other attributes
call('updateParameterReader_wrapper', byref(self))
Structure.__setattr__(self,name, value)
Structure.__getattribute__(self, "nonDefaultParameters").update(set([name]))
call('updateParameterReader', byref(self))
def __getattribute__(self, name):
# print __file__, "Get", name
call('updateParameterReader_wrapper', byref(self))
return Structure.__getattribute__(self, name)
"""
functionsCode = functionsCode.replace(" ", "\t")
fileOut.write("%s\n" % functionsCode )
fileOut.write("%s_ptr = POINTER(%s_wrapper)\n" % (s, s))
buff = "MMB.update%s_wrapper.argtypes = [c_void_p, c_char_p]\n" % s
buff += "MMB.update%s.argtypes = [c_void_p, c_char_p]\n" % s
fileOut.write(buff)
fileOut.close()
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