import wx
import os
from xml.dom import minidom
import cPickle
from xmlclass import *
from plugger import PlugTemplate, opjimg
from CFileEditor import CFileEditor
from PLCControler import PLCControler, UndoBuffer, LOCATION_PLUGIN, LOCATION_MODULE, LOCATION_GROUP, LOCATION_VAR_INPUT, LOCATION_VAR_OUTPUT, LOCATION_VAR_MEMORY
CFileClasses = GenerateClassesFromXSD(os.path.join(os.path.dirname(__file__), "cext_xsd.xsd"))
TYPECONVERSION = {"BOOL" : "X", "SINT" : "B", "INT" : "W", "DINT" : "D", "LINT" : "L",
"USINT" : "B", "UINT" : "W", "UDINT" : "D", "ULINT" : "L", "REAL" : "D", "LREAL" : "L",
"STRING" : "B", "BYTE" : "B", "WORD" : "W", "DWORD" : "D", "LWORD" : "L", "WSTRING" : "W"}
class _Cfile:
XSD = """<?xml version="1.0" encoding="ISO-8859-1" ?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<xsd:element name="CExtension">
<xsd:complexType>
<xsd:attribute name="CFLAGS" type="xsd:string" use="required"/>
<xsd:attribute name="LDFLAGS" type="xsd:string" use="required"/>
</xsd:complexType>
</xsd:element>
</xsd:schema>
"""
EditorType = CFileEditor
def __init__(self):
filepath = self.CFileName()
self.CFile = CFileClasses["CFile"]()
if os.path.isfile(filepath):
xmlfile = open(filepath, 'r')
tree = minidom.parse(xmlfile)
xmlfile.close()
for child in tree.childNodes:
if child.nodeType == tree.ELEMENT_NODE and child.nodeName == "CFile":
self.CFile.loadXMLTree(child, ["xmlns", "xmlns:xsi", "xsi:schemaLocation"])
self.CreateCFileBuffer(True)
else:
self.CreateCFileBuffer(False)
self.OnPlugSave()
def CFileName(self):
return os.path.join(self.PlugPath(), "cfile.xml")
def GetBaseTypes(self):
return self.GetPlugRoot().GetBaseTypes()
def GetDataTypes(self, basetypes = False, only_locatables = False):
return self.GetPlugRoot().GetDataTypes(basetypes=basetypes, only_locatables=only_locatables)
def GetSizeOfType(self, type):
return TYPECONVERSION.get(self.GetPlugRoot().GetBaseType(type), None)
def SetVariables(self, variables):
self.CFile.variables.setvariable([])
for var in variables:
variable = CFileClasses["variables_variable"]()
variable.setname(var["Name"])
variable.settype(var["Type"])
variable.setclass(var["Class"])
self.CFile.variables.appendvariable(variable)
def GetVariables(self):
datas = []
for var in self.CFile.variables.getvariable():
datas.append({"Name" : var.getname(), "Type" : var.gettype(), "Class" : var.getclass()})
return datas
def GetVariableLocationTree(self):
'''See PlugTemplate.GetVariableLocationTree() for a description.'''
current_location = ".".join(map(str, self.GetCurrentLocation()))
vars = []
input = memory = output = 0
for var in self.CFile.variables.getvariable():
var_size = self.GetSizeOfType(var.gettype())
var_location = ""
if var.getclass() == "input":
var_class = LOCATION_VAR_INPUT
if var_size is not None:
var_location = "%%I%s%s.%d"%(var_size, current_location, input)
input += 1
elif var.getclass() == "memory":
var_class = LOCATION_VAR_INPUT
if var_size is not None:
var_location = "%%M%s%s.%d"%(var_size, current_location, memory)
memory += 1
else:
var_class = LOCATION_VAR_OUTPUT
if var_size is not None:
var_location = "%%Q%s%s.%d"%(var_size, current_location, output)
output += 1
vars.append({"name": var.getname(),
"type": var_class,
"size": var_size,
"IEC_type": var.gettype(),
"var_name": var.getname(),
"location": var_location,
"description": "",
"children": []})
return {"name": self.BaseParams.getName(),
"type": LOCATION_PLUGIN,
"location": self.GetFullIEC_Channel(),
"children": vars}
def SetPartText(self, name, text):
if name == "Includes":
self.CFile.includes.settext(text)
elif name == "Globals":
self.CFile.globals.settext(text)
elif name == "Init":
self.CFile.initFunction.settext(text)
elif name == "CleanUp":
self.CFile.cleanUpFunction.settext(text)
elif name == "Retrieve":
self.CFile.retrieveFunction.settext(text)
elif name == "Publish":
self.CFile.publishFunction.settext(text)
def GetPartText(self, name):
if name == "Includes":
return self.CFile.includes.gettext()
elif name == "Globals":
return self.CFile.globals.gettext()
elif name == "Init":
return self.CFile.initFunction.gettext()
elif name == "CleanUp":
return self.CFile.cleanUpFunction.gettext()
elif name == "Retrieve":
return self.CFile.retrieveFunction.gettext()
elif name == "Publish":
return self.CFile.publishFunction.gettext()
return ""
PluginMethods = [
{"bitmap" : os.path.join("images", "EditCfile"),
"name" : _("Edit C File"),
"tooltip" : _("Edit C File"),
"method" : "_OpenView"},
]
def PlugTestModified(self):
return self.ChangesToSave or not self.CFileIsSaved()
def OnPlugSave(self):
filepath = self.CFileName()
text = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n"
extras = {"xmlns":"http://www.w3.org/2001/XMLSchema",
"xmlns:xsi":"http://www.w3.org/2001/XMLSchema-instance",
"xsi:schemaLocation" : "cext_xsd.xsd"}
text += self.CFile.generateXMLText("CFile", 0, extras)
xmlfile = open(filepath,"w")
xmlfile.write(text.encode("utf-8"))
xmlfile.close()
self.MarkCFileAsSaved()
return True
def PlugGenerate_C(self, buildpath, locations):
"""
Generate C code
@param current_location: Tupple containing plugin IEC location : %I0.0.4.5 => (0,0,4,5)
@param locations: List of complete variables locations \
[{"IEC_TYPE" : the IEC type (i.e. "INT", "STRING", ...)
"NAME" : name of the variable (generally "__IW0_1_2" style)
"DIR" : direction "Q","I" or "M"
"SIZE" : size "X", "B", "W", "D", "L"
"LOC" : tuple of interger for IEC location (0,1,2,...)
}, ...]
@return: [(C_file_name, CFLAGS),...] , LDFLAGS_TO_APPEND
"""
current_location = self.GetCurrentLocation()
# define a unique name for the generated C file
location_str = "_".join(map(str, current_location))
text = "/* Code generated by Beremiz c_ext plugin */\n\n"
# Adding includes
text += "/* User includes */\n"
text += self.CFile.includes.gettext()
text += "\n"
text += """/* Beremiz c_ext plugin includes */
#ifdef _WINDOWS_H
#include "iec_types.h"
#else
#include "iec_std_lib.h"
#endif
"""
# Adding variables
vars = []
inputs = memories = outputs = 0
for variable in self.CFile.variables.variable:
var = {"Name" : variable.getname(), "Type" : variable.gettype()}
if variable.getclass() == "input":
var["location"] = "__I%s%s_%d"%(self.GetSizeOfType(var["Type"]), location_str, inputs)
inputs += 1
elif variable.getclass() == "memory":
var["location"] = "__M%s%s_%d"%(self.GetSizeOfType(var["Type"]), location_str, memories)
memories += 1
else:
var["location"] = "__Q%s%s_%d"%(self.GetSizeOfType(var["Type"]), location_str, outputs)
outputs += 1
vars.append(var)
text += "/* Beremiz c_ext plugin user variables definition */\n"
base_types = self.GetPlugRoot().GetBaseTypes()
for var in vars:
if var["Type"] in base_types:
prefix = "IEC_"
else:
prefix = ""
text += "%s%s beremiz%s;\n"%(prefix, var["Type"], var["location"])
text += "%s%s *%s = &beremiz%s;\n"%(prefix, var["Type"], var["location"], var["location"])
text += "/* User variables reference */\n"
for var in vars:
text += "#define %s beremiz%s\n"%(var["Name"], var["location"])
text += "\n"
# Adding user global variables and routines
text += "/* User internal user variables and routines */\n"
text += self.CFile.globals.gettext()
# Adding Beremiz plugin functions
text += "/* Beremiz plugin functions */\n"
text += "int __init_%s(int argc,char **argv)\n{\n"%location_str
text += self.CFile.initFunction.gettext()
text += " return 0;\n"
text += "\n}\n\n"
text += "void __cleanup_%s(void)\n{\n"%location_str
text += self.CFile.cleanUpFunction.gettext()
text += "\n}\n\n"
text += "void __retrieve_%s(void)\n{\n"%location_str
text += self.CFile.retrieveFunction.gettext()
text += "\n}\n\n"
text += "void __publish_%s(void)\n{\n"%location_str
text += self.CFile.publishFunction.gettext()
text += "\n}\n\n"
Gen_Cfile_path = os.path.join(buildpath, "CFile_%s.c"%location_str)
cfile = open(Gen_Cfile_path,'w')
cfile.write(text)
cfile.close()
matiec_flags = '"-I%s"'%os.path.abspath(self.GetPlugRoot().GetIECLibPath())
return [(Gen_Cfile_path, str(self.CExtension.getCFLAGS() + matiec_flags))],str(self.CExtension.getLDFLAGS()),True
#-------------------------------------------------------------------------------
# Current Buffering Management Functions
#-------------------------------------------------------------------------------
"""
Return a copy of the cfile model
"""
def Copy(self, model):
return cPickle.loads(cPickle.dumps(model))
def CreateCFileBuffer(self, saved):
self.Buffering = False
self.CFileBuffer = UndoBuffer(cPickle.dumps(self.CFile), saved)
def BufferCFile(self):
self.CFileBuffer.Buffering(cPickle.dumps(self.CFile))
def StartBuffering(self):
self.Buffering = True
def EndBuffering(self):
if self.Buffering:
self.CFileBuffer.Buffering(cPickle.dumps(self.CFile))
self.Buffering = False
def MarkCFileAsSaved(self):
self.EndBuffering()
self.CFileBuffer.CurrentSaved()
def CFileIsSaved(self):
return self.CFileBuffer.IsCurrentSaved() and not self.Buffering
def LoadPrevious(self):
self.EndBuffering()
self.CFile = cPickle.loads(self.CFileBuffer.Previous())
def LoadNext(self):
self.CFile = cPickle.loads(self.CFileBuffer.Next())
def GetBufferState(self):
first = self.CFileBuffer.IsFirst() and not self.Buffering
last = self.CFileBuffer.IsLast()
return not first, not last
class RootClass:
PlugChildsTypes = [("C_File",_Cfile, "C file")]
def PlugGenerate_C(self, buildpath, locations):
return [],"",False