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#!/usr/bin/env python

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# -*- coding: utf-8 -*-

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#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor

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#based on the plcopen standard. 

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#

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#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD

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#

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#See COPYING file for copyrights details.

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#

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#This library is free software; you can redistribute it and/or

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#modify it under the terms of the GNU General Public

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#License as published by the Free Software Foundation; either

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#version 2.1 of the License, or (at your option) any later version.

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#

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#This library is distributed in the hope that it will be useful,

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#but WITHOUT ANY WARRANTY; without even the implied warranty of

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#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

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#General Public License for more details.

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#

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#You should have received a copy of the GNU General Public

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#License along with this library; if not, write to the Free Software

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#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

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from xmlclass import *

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from structures import *

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from types import *

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import os, re

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    30

"""

    31

Dictionary that makes the relation between var names in plcopen and displayed values

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"""

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VarTypes = {"Local" : "localVars", "Temp" : "tempVars", "Input" : "inputVars",

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            "Output" : "outputVars", "InOut" : "inOutVars", "External" : "externalVars",

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            "Global" : "globalVars", "Access" : "accessVars"}

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    37

searchResultVarTypes = {

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    "inputVars": "var_input",

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    "outputVars": "var_output",

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    "inOutVars": "var_inout"

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}

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    43

"""

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Define in which order var types must be displayed

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"""

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VarOrder = ["Local","Temp","Input","Output","InOut","External","Global","Access"]

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    48

"""

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Define which action qualifier must be associated with a duration 

    50

"""

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QualifierList = {"N" : False, "R" : False, "S" : False, "L" : True, "D" : True, 

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    "P" : False, "P0" : False, "P1" : False, "SD" : True, "DS" : True, "SL" : True}

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    54

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FILTER_ADDRESS_MODEL = "(%%[IQM](?:[XBWDL])?)(%s)((?:\.[0-9]+)*)" 

    56

    57

def update_address(address, address_model, new_leading):

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    result = address_model.match(address)

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    if result is None:

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        return address

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    groups = result.groups()

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    return groups[0] + new_leading + groups[2]

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    64

def _init_and_compare(function, v1, v2):

    65

    if v1 is None:

    66

        return v2

    67

    if v2 is not None:

    68

        return function(v1, v2)

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    return v1

    70

    71

"""

    72

Helper class for bounding_box calculation 

    73

"""

    74

class rect:

    75

    76

    def __init__(self, x=None, y=None, width=None, height=None):

    77

        self.x_min = x

    78

        self.x_max = None

    79

        self.y_min = y

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        self.y_max = None

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        if width is not None and x is not None:

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            self.x_max = x + width

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        if height is not None and y is not None:

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            self.y_max = y + height

    85

    86

    def update(self, x, y):

    87

        self.x_min = _init_and_compare(min, self.x_min, x)

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        self.x_max = _init_and_compare(max, self.x_max, x)

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        self.y_min = _init_and_compare(min, self.y_min, y)

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        self.y_max = _init_and_compare(max, self.y_max, y)

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    92

    def union(self, rect):

    93

        self.x_min = _init_and_compare(min, self.x_min, rect.x_min)

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        self.x_max = _init_and_compare(max, self.x_max, rect.x_max)

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        self.y_min = _init_and_compare(min, self.y_min, rect.y_min)

    96

        self.y_max = _init_and_compare(max, self.y_max, rect.y_max)

    97

    98

    def bounding_box(self):

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        width = height = None

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        if self.x_min is not None and self.x_max is not None:

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            width = self.x_max - self.x_min

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        if self.y_min is not None and self.y_max is not None:

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            height = self.y_max - self.y_min

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        return self.x_min, self.y_min, width, height

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   106

def TextLenInRowColumn(text):

   107

    if text == "":

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        return (0, 0)

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    lines = text.split("\n")

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    return len(lines) - 1, len(lines[-1])

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   112

def TestTextElement(text, criteria):

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    lines = text.splitlines()

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    if not criteria["case_sensitive"]:

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        text = text.upper()

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    test_result = []

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    result = criteria["pattern"].search(text)

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    while result is not None:

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        start = TextLenInRowColumn(text[:result.start()])

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        end = TextLenInRowColumn(text[:result.end() - 1])

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        test_result.append((start, end, "\n".join(lines[start[0]:end[0] + 1])))

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        result = criteria["pattern"].search(text, result.end())

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    return test_result

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   125

PLCOpenClasses = GenerateClassesFromXSD(os.path.join(os.path.split(__file__)[0], "tc6_xml_v201.xsd"))

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   127

ElementNameToClass = {}

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   129

cls = PLCOpenClasses.get("formattedText", None)

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if cls:

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    def updateElementName(self, old_name, new_name):

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        text = self.text.decode("utf-8")

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        index = text.find(old_name)

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        while index != -1:

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            if index > 0 and (text[index - 1].isalnum() or text[index - 1] == "_"):

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                index = text.find(old_name, index + len(old_name))

   137

            elif index < len(text) - len(old_name) and (text[index + len(old_name)].isalnum() or text[index + len(old_name)] == "_"):

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                index = text.find(old_name, index + len(old_name))

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            else:

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                text = text[:index] + new_name + text[index + len(old_name):]

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                index = text.find(old_name, index + len(new_name))

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        self.text = text.encode("utf-8")

   143

    setattr(cls, "updateElementName", updateElementName)

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   145

    def updateElementAddress(self, address_model, new_leading):

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        text = self.text.decode("utf-8")

   147

        startpos = 0

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        result = address_model.search(text, startpos)

   149

        while result is not None:

   150

            groups = result.groups()

   151

            new_address = groups[0] + new_leading + groups[2]

   152

            text = text[:result.start()] + new_address + text[result.end():]

   153

            startpos = result.start() + len(new_address)

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            result = address_model.search(self.text, startpos)

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        self.text = text.encode("utf-8")

   156

    setattr(cls, "updateElementAddress", updateElementAddress)

   157

   158

    def Search(self, criteria, parent_infos):

   159

        return [(tuple(parent_infos),) + result for result in TestTextElement(self.gettext(), criteria)]

   160

    setattr(cls, "Search", Search)

   161

   162

cls = PLCOpenClasses.get("project", None)

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if cls:

   164

    cls.singleLineAttributes = False

   165

    cls.EnumeratedDataTypeValues = {}

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    cls.CustomDataTypeRange = {}

   167

    cls.CustomTypeHierarchy = {}

   168

    cls.ElementUsingTree = {}

   169

    cls.CustomBlockTypes = []

   170

   171

    def setname(self, name):

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        self.contentHeader.setname(name)

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    setattr(cls, "setname", setname)

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   175

    def getname(self):

   176

        return self.contentHeader.getname()

   177

    setattr(cls, "getname", getname)

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   179

    def getfileHeader(self):

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        fileheader = {}

   181

        fileheader["companyName"] = self.fileHeader.getcompanyName()

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        if self.fileHeader.getcompanyURL():

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            fileheader["companyURL"] = self.fileHeader.getcompanyURL()

   184

        fileheader["productName"] = self.fileHeader.getproductName()

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        fileheader["productVersion"] = self.fileHeader.getproductVersion()

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        if self.fileHeader.getproductRelease():

   187

            fileheader["productRelease"] = self.fileHeader.getproductRelease()

   188

        fileheader["creationDateTime"] = self.fileHeader.getcreationDateTime()

   189

        if self.fileHeader.getcontentDescription():

   190

            fileheader["contentDescription"] = self.fileHeader.getcontentDescription()

   191

        return fileheader

   192

    setattr(cls, "getfileHeader", getfileHeader)

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   194

    def setfileHeader(self, fileheader):

   195

        self.fileHeader.setcompanyName(fileheader["companyName"])

   196

        if fileheader.has_key("companyURL"):

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            self.fileHeader.setcompanyURL(fileheader["companyURL"])

   198

        self.fileHeader.setproductName(fileheader["productName"])

   199

        self.fileHeader.setproductVersion(fileheader["productVersion"])

   200

        if fileheader.has_key("productRelease"):

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            self.fileHeader.setproductRelease(fileheader["productRelease"])

   202

        self.fileHeader.setcreationDateTime(fileheader["creationDateTime"])

   203

        if fileheader.has_key("contentDescription"):

   204

            self.fileHeader.setcontentDescription(fileheader["contentDescription"])

   205

    setattr(cls, "setfileHeader", setfileHeader)

   206

   207

    def getcontentHeader(self):

   208

        contentheader = {}

   209

        contentheader["projectName"] = self.contentHeader.getname()

   210

        if self.contentHeader.getversion():

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            contentheader["projectVersion"] = self.contentHeader.getversion()

   212

        if self.contentHeader.getmodificationDateTime():

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            contentheader["modificationDateTime"] = self.contentHeader.getmodificationDateTime()

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        if self.contentHeader.getorganization():

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            contentheader["organization"] = self.contentHeader.getorganization()

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        if self.contentHeader.getauthor():

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            contentheader["authorName"] = self.contentHeader.getauthor()

   218

        if self.contentHeader.getlanguage():

   219

            contentheader["language"] = self.contentHeader.getlanguage()

   220

        contentheader["pageSize"] = self.contentHeader.getpageSize()

   221

        contentheader["scaling"] = self.contentHeader.getscaling()

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        return contentheader

   223

    setattr(cls, "getcontentHeader", getcontentHeader)

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   225

    def setcontentHeader(self, contentheader):

   226

        self.contentHeader.setname(contentheader["projectName"])

   227

        if contentheader.has_key("projectVersion"):

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            self.contentHeader.setversion(contentheader["projectVersion"])

   229

        if contentheader.has_key("modificationDateTime"):

   230

            self.contentHeader.setmodificationDateTime(contentheader["modificationDateTime"])

   231

        if contentheader.has_key("organization"):

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            self.contentHeader.setorganization(contentheader["organization"])

   233

        if contentheader.has_key("authorName"):

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            self.contentHeader.setauthor(contentheader["authorName"])

   235

        if contentheader.has_key("language"):

   236

            self.contentHeader.setlanguage(contentheader["language"])

   237

        if contentheader.has_key("pageSize"):

   238

            self.contentHeader.setpageSize(*contentheader["pageSize"])

   239

        if contentheader.has_key("scaling"):

   240

            self.contentHeader.setscaling(contentheader["scaling"])

   241

    setattr(cls, "setcontentHeader", setcontentHeader)

   242

   243

    def getdataTypes(self):

   244

        return self.types.getdataTypeElements()

   245

    setattr(cls, "getdataTypes", getdataTypes)

   246

   247

    def getdataType(self, name):

   248

        return self.types.getdataTypeElement(name)

   249

    setattr(cls, "getdataType", getdataType)

   250

   251

    def appenddataType(self, name):

   252

        if self.CustomTypeHierarchy.has_key(name):

   253

            raise ValueError, "\"%s\" Data Type already exists !!!"%name

   254

        self.types.appenddataTypeElement(name)

   255

        self.AddCustomDataType(self.getdataType(name))

   256

    setattr(cls, "appenddataType", appenddataType)

   257

   258

    def insertdataType(self, index, datatype):

   259

        self.types.insertdataTypeElement(index, datatype)

   260

        self.AddCustomDataType(datatype)

   261

    setattr(cls, "insertdataType", insertdataType)

   262

   263

    def removedataType(self, name):

   264

        self.types.removedataTypeElement(name)

   265

        self.RefreshDataTypeHierarchy()

   266

        self.RefreshElementUsingTree()

   267

    setattr(cls, "removedataType", removedataType)

   268

   269

    def getpous(self):

   270

        return self.types.getpouElements()

   271

    setattr(cls, "getpous", getpous)

   272

   273

    def getpou(self, name):

   274

        return self.types.getpouElement(name)

   275

    setattr(cls, "getpou", getpou)

   276

   277

    def appendpou(self, name, pou_type, body_type):

   278

        self.types.appendpouElement(name, pou_type, body_type)

   279

        self.AddCustomBlockType(self.getpou(name))

   280

    setattr(cls, "appendpou", appendpou)

   281

   282

    def insertpou(self, index, pou):

   283

        self.types.insertpouElement(index, pou)

   284

        self.AddCustomBlockType(pou)

   285

    setattr(cls, "insertpou", insertpou)

   286

   287

    def removepou(self, name):

   288

        self.types.removepouElement(name)

   289

        self.RefreshCustomBlockTypes()

   290

        self.RefreshElementUsingTree()

   291

    setattr(cls, "removepou", removepou)

   292

   293

    def getconfigurations(self):

   294

        configurations = self.instances.configurations.getconfiguration()

   295

        if configurations:

   296

            return configurations

   297

        return []

   298

    setattr(cls, "getconfigurations", getconfigurations)

   299

   300

    def getconfiguration(self, name):

   301

        for configuration in self.instances.configurations.getconfiguration():

   302

            if configuration.getname() == name:

   303

                return configuration

   304

        return None

   305

    setattr(cls, "getconfiguration", getconfiguration)

   306

   307

    def addconfiguration(self, name):

   308

        for configuration in self.instances.configurations.getconfiguration():

   309

            if configuration.getname() == name:

   310

                raise ValueError, _("\"%s\" configuration already exists !!!")%name

   311

        new_configuration = PLCOpenClasses["configurations_configuration"]()

   312

        new_configuration.setname(name)

   313

        self.instances.configurations.appendconfiguration(new_configuration)

   314

    setattr(cls, "addconfiguration", addconfiguration)    

   315

   316

    def removeconfiguration(self, name):

   317

        found = False

   318

        for idx, configuration in enumerate(self.instances.configurations.getconfiguration()):

   319

            if configuration.getname() == name:

   320

                self.instances.configurations.removeconfiguration(idx)

   321

                found = True

   322

                break

   323

        if not found:

   324

            raise ValueError, ("\"%s\" configuration doesn't exist !!!")%name

   325

    setattr(cls, "removeconfiguration", removeconfiguration)

   326

   327

    def getconfigurationResource(self, config_name, name):

   328

        configuration = self.getconfiguration(config_name)

   329

        if configuration:

   330

            for resource in configuration.getresource():

   331

                if resource.getname() == name:

   332

                    return resource

   333

        return None

   334

    setattr(cls, "getconfigurationResource", getconfigurationResource)

   335

   336

    def addconfigurationResource(self, config_name, name):

   337

        configuration = self.getconfiguration(config_name)

   338

        if configuration:

   339

            for resource in configuration.getresource():

   340

                if resource.getname() == name:

   341

                    raise ValueError, _("\"%s\" resource already exists in \"%s\" configuration !!!")%(name, config_name)

   342

            new_resource = PLCOpenClasses["configuration_resource"]()

   343

            new_resource.setname(name)

   344

            configuration.appendresource(new_resource)

   345

    setattr(cls, "addconfigurationResource", addconfigurationResource)

   346

   347

    def removeconfigurationResource(self, config_name, name):

   348

        configuration = self.getconfiguration(config_name)

   349

        if configuration:

   350

            found = False

   351

            for idx, resource in enumerate(configuration.getresource()):

   352

                if resource.getname() == name:

   353

                    configuration.removeresource(idx)

   354

                    found = True

   355

                    break

   356

            if not found:

   357

                raise ValueError, _("\"%s\" resource doesn't exist in \"%s\" configuration !!!")%(name, config_name)

   358

    setattr(cls, "removeconfigurationResource", removeconfigurationResource)

   359

   360

    def updateElementName(self, old_name, new_name):

   361

        for datatype in self.types.getdataTypeElements():

   362

            datatype.updateElementName(old_name, new_name)

   363

        for pou in self.types.getpouElements():

   364

            pou.updateElementName(old_name, new_name)

   365

        for configuration in self.instances.configurations.getconfiguration():

   366

            configuration.updateElementName(old_name, new_name)

   367

    setattr(cls, "updateElementName", updateElementName)

   368

   369

    def updateElementAddress(self, old_leading, new_leading):

   370

        address_model = re.compile(FILTER_ADDRESS_MODEL % old_leading)

   371

        for pou in self.types.getpouElements():

   372

            pou.updateElementAddress(address_model, new_leading)

   373

        for configuration in self.instances.configurations.getconfiguration():

   374

            configuration.updateElementAddress(address_model, new_leading)

   375

    setattr(cls, "updateElementAddress", updateElementAddress)

   376

   377

    def removeVariableByAddress(self, address):

   378

        for pou in self.types.getpouElements():

   379

            pou.removeVariableByAddress(address)

   380

        for configuration in self.instances.configurations.getconfiguration():

   381

            configuration.removeVariableByAddress(address)

   382

    setattr(cls, "removeVariableByAddress", removeVariableByAddress)

   383

   384

    def removeVariableByFilter(self, leading):

   385

        address_model = re.compile(FILTER_ADDRESS_MODEL % leading)

   386

        for pou in self.types.getpouElements():

   387

            pou.removeVariableByFilter(address_model)

   388

        for configuration in self.instances.configurations.getconfiguration():

   389

            configuration.removeVariableByFilter(address_model)

   390

    setattr(cls, "removeVariableByFilter", removeVariableByFilter)

   391

   392

    def RefreshDataTypeHierarchy(self):

   393

        self.EnumeratedDataTypeValues = {}

   394

        self.CustomDataTypeRange = {}

   395

        self.CustomTypeHierarchy = {}

   396

        for datatype in self.getdataTypes():

   397

            self.AddCustomDataType(datatype)

   398

    setattr(cls, "RefreshDataTypeHierarchy", RefreshDataTypeHierarchy)

   399

   400

    def AddCustomDataType(self, datatype):

   401

        name = datatype.getname()

   402

        basetype_content = datatype.getbaseType().getcontent()

   403

        if basetype_content["value"] is None:

   404

            self.CustomTypeHierarchy[name] = basetype_content["name"]

   405

        elif basetype_content["name"] in ["string", "wstring"]:

   406

            self.CustomTypeHierarchy[name] = basetype_content["name"].upper()

   407

        elif basetype_content["name"] == "derived":

   408

            self.CustomTypeHierarchy[name] = basetype_content["value"].getname()

   409

        elif basetype_content["name"] in ["subrangeSigned", "subrangeUnsigned"]:

   410

            range = (basetype_content["value"].range.getlower(), 

   411

                     basetype_content["value"].range.getupper())

   412

            self.CustomDataTypeRange[name] = range

   413

            base_type = basetype_content["value"].baseType.getcontent()

   414

            if base_type["value"] is None:

   415

                self.CustomTypeHierarchy[name] = base_type["name"]

   416

            else:

   417

                self.CustomTypeHierarchy[name] = base_type["value"].getname()

   418

        else:

   419

            if basetype_content["name"] == "enum":

   420

                values = []

   421

                for value in basetype_content["value"].values.getvalue():

   422

                    values.append(value.getname())

   423

                self.EnumeratedDataTypeValues[name] = values

   424

            self.CustomTypeHierarchy[name] = "ANY_DERIVED"

   425

    setattr(cls, "AddCustomDataType", AddCustomDataType)

   426

   427

    # Update Block types with user-defined pou added

   428

    def RefreshCustomBlockTypes(self):

   429

        # Reset the tree of user-defined pou cross-use

   430

        self.CustomBlockTypes = []

   431

        for pou in self.getpous():

   432

            self.AddCustomBlockType(pou)

   433

    setattr(cls, "RefreshCustomBlockTypes", RefreshCustomBlockTypes)

   434

   435

    def AddCustomBlockType(self, pou): 

   436

        pou_name = pou.getname()

   437

        pou_type = pou.getpouType()

   438

        block_infos = {"name" : pou_name, "type" : pou_type, "extensible" : False,

   439

                       "inputs" : [], "outputs" : [], "comment" : pou.getdescription(),

   440

                       "generate" : generate_block, "initialise" : initialise_block}

   441

        if pou.getinterface():

   442

            return_type = pou.interface.getreturnType()

   443

            if return_type:

   444

                var_type = return_type.getcontent()

   445

                if var_type["name"] == "derived":

   446

                    block_infos["outputs"].append(("", var_type["value"].getname(), "none"))

   447

                elif var_type["name"] in ["string", "wstring"]:

   448

                    block_infos["outputs"].append(("", var_type["name"].upper(), "none"))

   449

                else:

   450

                    block_infos["outputs"].append(("", var_type["name"], "none"))

   451

            for type, varlist in pou.getvars():

   452

                if type == "InOut":

   453

                    for var in varlist.getvariable():

   454

                        var_type = var.type.getcontent()

   455

                        if var_type["name"] == "derived":

   456

                            block_infos["inputs"].append((var.getname(), var_type["value"].getname(), "none"))

   457

                            block_infos["outputs"].append((var.getname(), var_type["value"].getname(), "none"))

   458

                        elif var_type["name"] in ["string", "wstring"]:

   459

                            block_infos["inputs"].append((var.getname(), var_type["name"].upper(), "none"))

   460

                            block_infos["outputs"].append((var.getname(), var_type["name"].upper(), "none"))

   461

                        else:

   462

                            block_infos["inputs"].append((var.getname(), var_type["name"], "none"))

   463

                            block_infos["outputs"].append((var.getname(), var_type["name"], "none"))

   464

                elif type == "Input":

   465

                    for var in varlist.getvariable():

   466

                        var_type = var.type.getcontent()

   467

                        if var_type["name"] == "derived":

   468

                            block_infos["inputs"].append((var.getname(), var_type["value"].getname(), "none"))

   469

                        elif var_type["name"] in ["string", "wstring"]:

   470

                            block_infos["inputs"].append((var.getname(), var_type["name"].upper(), "none"))

   471

                        else:

   472

                            block_infos["inputs"].append((var.getname(), var_type["name"], "none"))

   473

                elif type == "Output":

   474

                    for var in varlist.getvariable():

   475

                        var_type = var.type.getcontent()

   476

                        if var_type["name"] == "derived":

   477

                            block_infos["outputs"].append((var.getname(), var_type["value"].getname(), "none"))

   478

                        elif var_type["name"] in ["string", "wstring"]:

   479

                            block_infos["outputs"].append((var.getname(), var_type["name"].upper(), "none"))

   480

                        else:

   481

                            block_infos["outputs"].append((var.getname(), var_type["name"], "none"))    

   482

        block_infos["usage"] = "\n (%s) => (%s)" % (", ".join(["%s:%s" % (input[1], input[0]) for input in block_infos["inputs"]]),

   483

                                                    ", ".join(["%s:%s" % (output[1], output[0]) for output in block_infos["outputs"]]))

   484

        self.CustomBlockTypes.append(block_infos)

   485

    setattr(cls, "AddCustomBlockType", AddCustomBlockType)

   486

   487

    def RefreshElementUsingTree(self):

   488

        # Reset the tree of user-defined element cross-use

   489

        self.ElementUsingTree = {}

   490

        pous = self.getpous()

   491

        datatypes = self.getdataTypes()