lbessard@145: import os
laurent@401: from xml.dom import minidom
laurent@401: import cPickle
laurent@401: 
laurent@401: from xmlclass import *
laurent@401: 
lbessard@145: from CFileEditor import CFileEditor
Edouard@729: from PLCControler import UndoBuffer, LOCATION_CONFNODE, LOCATION_VAR_INPUT, LOCATION_VAR_OUTPUT 
laurent@630: 
laurent@630: CFileClasses = GenerateClassesFromXSD(os.path.join(os.path.dirname(__file__), "cext_xsd.xsd"))
lbessard@145: 
lbessard@145: TYPECONVERSION = {"BOOL" : "X", "SINT" : "B", "INT" : "W", "DINT" : "D", "LINT" : "L",
lbessard@145:     "USINT" : "B", "UINT" : "W", "UDINT" : "D", "ULINT" : "L", "REAL" : "D", "LREAL" : "L",
lbessard@145:     "STRING" : "B", "BYTE" : "B", "WORD" : "W", "DWORD" : "D", "LWORD" : "L", "WSTRING" : "W"}
etisserant@31: 
Edouard@729: class CFile:
etisserant@31:     XSD = """<?xml version="1.0" encoding="ISO-8859-1" ?>
etisserant@31:     <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
lbessard@145:       <xsd:element name="CExtension">
etisserant@31:         <xsd:complexType>
etisserant@45:           <xsd:attribute name="CFLAGS" type="xsd:string" use="required"/>
etisserant@45:           <xsd:attribute name="LDFLAGS" type="xsd:string" use="required"/>
etisserant@31:         </xsd:complexType>
etisserant@31:       </xsd:element>
etisserant@31:     </xsd:schema>
etisserant@31:     """
laurent@656:     EditorType = CFileEditor
laurent@656:     
etisserant@31:     def __init__(self):
lbessard@145:         filepath = self.CFileName()
lbessard@145:         
lbessard@145:         self.CFile = CFileClasses["CFile"]()
lbessard@145:         if os.path.isfile(filepath):
lbessard@145:             xmlfile = open(filepath, 'r')
lbessard@145:             tree = minidom.parse(xmlfile)
lbessard@145:             xmlfile.close()
lbessard@145:             
lbessard@145:             for child in tree.childNodes:
lbessard@145:                 if child.nodeType == tree.ELEMENT_NODE and child.nodeName == "CFile":
lbessard@145:                     self.CFile.loadXMLTree(child, ["xmlns", "xmlns:xsi", "xsi:schemaLocation"])
laurent@658:                     self.CreateCFileBuffer(True)
lbessard@145:         else:
laurent@658:             self.CreateCFileBuffer(False)
Edouard@718:             self.OnCTNSave()
lbessard@145: 
laurent@781:     def GetIconName(self):
laurent@781:         return "Cfile"
laurent@738: 
lbessard@145:     def CFileName(self):
Edouard@718:         return os.path.join(self.CTNPath(), "cfile.xml")
lbessard@145: 
lbessard@145:     def GetBaseTypes(self):
Edouard@718:         return self.GetCTRoot().GetBaseTypes()
lbessard@145: 
laurent@610:     def GetDataTypes(self, basetypes = False, only_locatables = False):
Edouard@718:         return self.GetCTRoot().GetDataTypes(basetypes=basetypes, only_locatables=only_locatables)
lbessard@145: 
lbessard@145:     def GetSizeOfType(self, type):
Edouard@718:         return TYPECONVERSION.get(self.GetCTRoot().GetBaseType(type), None)
lbessard@145: 
lbessard@145:     def SetVariables(self, variables):
lbessard@145:         self.CFile.variables.setvariable([])
lbessard@145:         for var in variables:
lbessard@145:             variable = CFileClasses["variables_variable"]()
lbessard@145:             variable.setname(var["Name"])
lbessard@145:             variable.settype(var["Type"])
lbessard@145:             variable.setclass(var["Class"])
lbessard@145:             self.CFile.variables.appendvariable(variable)
lbessard@145:     
lbessard@145:     def GetVariables(self):
lbessard@145:         datas = []
lbessard@145:         for var in self.CFile.variables.getvariable():
lbessard@145:             datas.append({"Name" : var.getname(), "Type" : var.gettype(), "Class" : var.getclass()})
lbessard@145:         return datas
lbessard@145: 
lbessard@145:     def SetPartText(self, name, text):
lbessard@145:         if name == "Includes":
lbessard@145:             self.CFile.includes.settext(text)
lbessard@145:         elif name == "Globals":
lbessard@145:             self.CFile.globals.settext(text)
lbessard@145:         elif name == "Init":
lbessard@145:             self.CFile.initFunction.settext(text)
lbessard@145:         elif name == "CleanUp":
lbessard@145:             self.CFile.cleanUpFunction.settext(text)
lbessard@145:         elif name == "Retrieve":
lbessard@145:             self.CFile.retrieveFunction.settext(text)
lbessard@145:         elif name == "Publish":
lbessard@145:             self.CFile.publishFunction.settext(text)
lbessard@145:         
lbessard@145:     def GetPartText(self, name):
lbessard@145:         if name == "Includes":
lbessard@145:             return self.CFile.includes.gettext()
lbessard@145:         elif name == "Globals":
lbessard@145:             return self.CFile.globals.gettext()
lbessard@145:         elif name == "Init":
lbessard@145:             return self.CFile.initFunction.gettext()
lbessard@145:         elif name == "CleanUp":
lbessard@145:             return self.CFile.cleanUpFunction.gettext()
lbessard@145:         elif name == "Retrieve":
lbessard@145:             return self.CFile.retrieveFunction.gettext()
lbessard@145:         elif name == "Publish":
lbessard@145:             return self.CFile.publishFunction.gettext()
lbessard@145:         return ""
laurent@630:                 
Edouard@718:     def CTNTestModified(self):
laurent@630:         return self.ChangesToSave or not self.CFileIsSaved()    
laurent@630: 
Laurent@1061:     def OnCTNSave(self, from_project_path=None):
lbessard@145:         filepath = self.CFileName()
lbessard@145:         
lbessard@145:         text = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n"
lbessard@145:         extras = {"xmlns":"http://www.w3.org/2001/XMLSchema",
lbessard@145:                   "xmlns:xsi":"http://www.w3.org/2001/XMLSchema-instance",
lbessard@145:                   "xsi:schemaLocation" : "cext_xsd.xsd"}
lbessard@145:         text += self.CFile.generateXMLText("CFile", 0, extras)
lbessard@145: 
lbessard@145:         xmlfile = open(filepath,"w")
laurent@430:         xmlfile.write(text.encode("utf-8"))
lbessard@145:         xmlfile.close()
lbessard@145:         
laurent@651:         self.MarkCFileAsSaved()
etisserant@31:         return True
etisserant@31: 
Laurent@1095:     def CTNGlobalInstances(self):
Laurent@1095:         current_location = self.GetCurrentLocation()
Laurent@1095:         return [("%s_%s" % (
Laurent@1095:                     variable.getname(),"_".join(map(str, current_location))),
Laurent@1095:                  variable.gettype())
Laurent@1095:                 for variable in self.CFile.variables.variable]
Laurent@1095: 
Edouard@718:     def CTNGenerate_C(self, buildpath, locations):
etisserant@31:         """
etisserant@31:         Generate C code
Edouard@717:         @param current_location: Tupple containing confnode IEC location : %I0.0.4.5 => (0,0,4,5)
etisserant@31:         @param locations: List of complete variables locations \
etisserant@31:             [{"IEC_TYPE" : the IEC type (i.e. "INT", "STRING", ...)
etisserant@31:             "NAME" : name of the variable (generally "__IW0_1_2" style)
etisserant@31:             "DIR" : direction "Q","I" or "M"
etisserant@31:             "SIZE" : size "X", "B", "W", "D", "L"
etisserant@31:             "LOC" : tuple of interger for IEC location (0,1,2,...)
etisserant@31:             }, ...]
etisserant@31:         @return: [(C_file_name, CFLAGS),...] , LDFLAGS_TO_APPEND
etisserant@31:         """
etisserant@31:         current_location = self.GetCurrentLocation()
etisserant@31:         # define a unique name for the generated C file
laurent@401:         location_str = "_".join(map(str, current_location))
lbessard@145:         
Edouard@717:         text = "/* Code generated by Beremiz c_ext confnode */\n\n"
Laurent@1095:         text += "#include <stdio.h>"
lbessard@145:         
lbessard@145:         # Adding includes
lbessard@145:         text += "/* User includes */\n"
lbessard@145:         text += self.CFile.includes.gettext()
lbessard@145:         text += "\n"
lbessard@145:         
Laurent@1095:         text += '#include "iec_types_all.h"'
lbessard@145: 
lbessard@145:         # Adding variables
Laurent@1095:         base_types = self.GetCTRoot().GetBaseTypes()
Laurent@1095:         config = self.GetCTRoot().GetProjectConfigNames()[0]
Laurent@1095:         text += "/* User variables reference */\n"
lbessard@145:         for variable in self.CFile.variables.variable:
Laurent@1095:             var_infos = {
Laurent@1095:                 "name": variable.getname(),
Laurent@1095:                 "global": "%s__%s_%s" % (config.upper(),
Laurent@1095:                                          variable.getname().upper(), 
Laurent@1095:                                          location_str),
Laurent@1095:                 "type": "__IEC_%s_t" % variable.gettype()}
Laurent@1095:             text += "extern %(type)s %(global)s;\n" % var_infos
Laurent@1095:             text += "#define %(name)s %(global)s.value\n" % var_infos
lbessard@145:         text += "\n"
lbessard@145:         
lbessard@145:         # Adding user global variables and routines
lbessard@145:         text += "/* User internal user variables and routines */\n"
lbessard@145:         text += self.CFile.globals.gettext()
lbessard@145:         
Edouard@717:         # Adding Beremiz confnode functions
Edouard@717:         text += "/* Beremiz confnode functions */\n"
lbessard@145:         text += "int __init_%s(int argc,char **argv)\n{\n"%location_str
lbessard@145:         text += self.CFile.initFunction.gettext()
etisserant@180:         text += "  return 0;\n"
lbessard@145:         text += "\n}\n\n"
lbessard@145:         
laurent@419:         text += "void __cleanup_%s(void)\n{\n"%location_str
lbessard@145:         text += self.CFile.cleanUpFunction.gettext()
lbessard@145:         text += "\n}\n\n"
lbessard@145:         
laurent@419:         text += "void __retrieve_%s(void)\n{\n"%location_str
lbessard@145:         text += self.CFile.retrieveFunction.gettext()
lbessard@145:         text += "\n}\n\n"
lbessard@145:         
laurent@419:         text += "void __publish_%s(void)\n{\n"%location_str
lbessard@145:         text += self.CFile.publishFunction.gettext()
lbessard@145:         text += "\n}\n\n"
lbessard@145:         
lbessard@145:         Gen_Cfile_path = os.path.join(buildpath, "CFile_%s.c"%location_str)
lbessard@145:         cfile = open(Gen_Cfile_path,'w')
lbessard@145:         cfile.write(text)
lbessard@145:         cfile.close()
lbessard@145:         
Edouard@718:         matiec_flags = '"-I%s"'%os.path.abspath(self.GetCTRoot().GetIECLibPath())
lbessard@145:         
lbessard@145:         return [(Gen_Cfile_path, str(self.CExtension.getCFLAGS() + matiec_flags))],str(self.CExtension.getLDFLAGS()),True
laurent@656: 
laurent@656: 
lbessard@145: #-------------------------------------------------------------------------------
lbessard@145: #                      Current Buffering Management Functions
lbessard@145: #-------------------------------------------------------------------------------
lbessard@145: 
lbessard@145:     """
laurent@651:     Return a copy of the cfile model
lbessard@145:     """
lbessard@145:     def Copy(self, model):
lbessard@145:         return cPickle.loads(cPickle.dumps(model))
lbessard@145: 
laurent@658:     def CreateCFileBuffer(self, saved):
laurent@658:         self.Buffering = False
laurent@651:         self.CFileBuffer = UndoBuffer(cPickle.dumps(self.CFile), saved)
laurent@651: 
lbessard@145:     def BufferCFile(self):
laurent@651:         self.CFileBuffer.Buffering(cPickle.dumps(self.CFile))
lbessard@145:     
lbessard@145:     def StartBuffering(self):
lbessard@145:         self.Buffering = True
lbessard@145:         
lbessard@145:     def EndBuffering(self):
lbessard@145:         if self.Buffering:
laurent@651:             self.CFileBuffer.Buffering(cPickle.dumps(self.CFile))
lbessard@145:             self.Buffering = False
lbessard@145:     
laurent@651:     def MarkCFileAsSaved(self):
laurent@651:         self.EndBuffering()
laurent@651:         self.CFileBuffer.CurrentSaved()
laurent@651:     
lbessard@145:     def CFileIsSaved(self):
laurent@658:         return self.CFileBuffer.IsCurrentSaved() and not self.Buffering
laurent@658:         
lbessard@145:     def LoadPrevious(self):
laurent@651:         self.EndBuffering()
laurent@651:         self.CFile = cPickle.loads(self.CFileBuffer.Previous())
lbessard@145:     
lbessard@145:     def LoadNext(self):
laurent@651:         self.CFile = cPickle.loads(self.CFileBuffer.Next())
lbessard@145:     
lbessard@145:     def GetBufferState(self):
laurent@658:         first = self.CFileBuffer.IsFirst() and not self.Buffering
lbessard@145:         last = self.CFileBuffer.IsLast()
lbessard@145:         return not first, not last
lbessard@145: