confnodes/c_ext/c_ext.py
changeset 717 1c23952dbde1
parent 675 44b35c27e9ff
child 718 5d4dc150b956
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/confnodes/c_ext/c_ext.py	Mon May 07 18:47:29 2012 +0200
@@ -0,0 +1,315 @@
+import wx
+import os
+from xml.dom import minidom
+import cPickle
+
+from xmlclass import *
+
+from ConfigTree import ConfigTreeNode, opjimg
+from CFileEditor import CFileEditor
+from PLCControler import PLCControler, UndoBuffer, LOCATION_CONFNODE, 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 ConfigTreeNode.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_CONFNODE,
+                "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 ""
+                
+    ConfNodeMethods = [
+        {"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 confnode 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 confnode */\n\n"
+        
+        # Adding includes
+        text += "/* User includes */\n"
+        text += self.CFile.includes.gettext()
+        text += "\n"
+        
+        text += """/* Beremiz c_ext confnode 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 confnode 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 confnode functions
+        text += "/* Beremiz confnode 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
+
+