1

#!/usr/bin/env python

     2

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

     3

     4

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

     5

#based on the plcopen standard. 

     6

#

     7

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

     8

#

     9

#See COPYING file for copyrights details.

    10

#

    11

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

    12

#modify it under the terms of the GNU General Public

    13

#License as published by the Free Software Foundation; either

    14

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

    15

#

    16

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

    17

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

    18

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

    19

#General Public License for more details.

    20

#

    21

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

    22

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

    23

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

    24

    25

from xmlclass import *

    26

from structures import *

    27

from types import *

    28

import os, re

    29

    30

"""

    31

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

    32

"""

    33

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

    34

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

    35

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

    36

    37

searchResultVarTypes = {

    38

    "inputVars": "var_input",

    39

    "outputVars": "var_output",

    40

    "inOutVars": "var_inout"

    41

}

    42

    43

"""

    44

Define in which order var types must be displayed

    45

"""

    46

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

    47

    48

"""

    49

Define which action qualifier must be associated with a duration 

    50

"""

    51

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

    52

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

    53

    54

    55

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

    56

    57

def update_address(address, address_model, new_leading):

    58

    result = address_model.match(address)

    59

    if result is None:

    60

        return address

    61

    groups = result.groups()

    62

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

    63

    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)

    69

    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

    80

        self.y_max = None

    81

        if width is not None and x is not None:

    82

            self.x_max = x + width

    83

        if height is not None and y is not None:

    84

            self.y_max = y + height

    85

    86

    def update(self, x, y):

    87

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

    88

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

    89

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

    90

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

    91

    92

    def union(self, rect):

    93

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

    94

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

    95

        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):

    99

        width = height = None

   100

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

   101

            width = self.x_max - self.x_min

   102

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

   103

            height = self.y_max - self.y_min

   104

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

   105

   106

def TextLenInRowColumn(text):

   107

    if text == "":

   108

        return (0, 0)

   109

    lines = text.split("\n")

   110

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

   111

   112

def TestTextElement(text, criteria):

   113

    lines = text.splitlines()

   114

    if not criteria["case_sensitive"]:

   115

        text = text.upper()

   116

    test_result = []

   117

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

   118

    while result is not None:

   119

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

   120

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

   121

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

   122

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

   123

    return test_result

   124

   125

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

   126

   127

ElementNameToClass = {}

   128

   129

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

   130

if cls:

   131

    def updateElementName(self, old_name, new_name):

   132

        index = self.text.find(old_name)

   133

        while index != -1:

   134

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

   135

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

   136

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

   137

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

   138

            else:

   139

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

   140

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

   141

    setattr(cls, "updateElementName", updateElementName)

   142

   143

    def updateElementAddress(self, address_model, new_leading):

   144

        startpos = 0

   145

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

   146

        while result is not None:

   147

            groups = result.groups()

   148

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

   149

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

   150

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

   151

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

   152

    setattr(cls, "updateElementAddress", updateElementAddress)

   153

   154

    def Search(self, criteria, parent_infos):

   155

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

   156

    setattr(cls, "Search", Search)

   157

   158

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

   159

if cls:

   160

    cls.singleLineAttributes = False

   161

    cls.EnumeratedDataTypeValues = {}

   162

    cls.CustomDataTypeRange = {}

   163

    cls.CustomTypeHierarchy = {}

   164

    cls.ElementUsingTree = {}

   165

    cls.CustomBlockTypes = []

   166

   167

    def setname(self, name):

   168

        self.contentHeader.setname(name)

   169

    setattr(cls, "setname", setname)

   170

   171

    def getname(self):

   172

        return self.contentHeader.getname()

   173

    setattr(cls, "getname", getname)

   174

   175

    def getfileHeader(self):

   176

        fileheader = {}

   177

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

   178

        if self.fileHeader.getcompanyURL():

   179

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

   180

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

   181

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

   182

        if self.fileHeader.getproductRelease():

   183

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

   184

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

   185

        if self.fileHeader.getcontentDescription():

   186

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

   187

        return fileheader

   188

    setattr(cls, "getfileHeader", getfileHeader)

   189

   190

    def setfileHeader(self, fileheader):

   191

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

   192

        if fileheader.has_key("companyURL"):

   193

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

   194

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

   195

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

   196

        if fileheader.has_key("productRelease"):

   197

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

   198

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

   199

        if fileheader.has_key("contentDescription"):

   200

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

   201

    setattr(cls, "setfileHeader", setfileHeader)

   202

   203

    def getcontentHeader(self):

   204

        contentheader = {}

   205

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

   206

        if self.contentHeader.getversion():

   207

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

   208

        if self.contentHeader.getmodificationDateTime():

   209

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

   210

        if self.contentHeader.getorganization():

   211

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

   212

        if self.contentHeader.getauthor():

   213

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

   214

        if self.contentHeader.getlanguage():

   215

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

   216

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

   217

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

   218

        return contentheader

   219

    setattr(cls, "getcontentHeader", getcontentHeader)

   220

   221

    def setcontentHeader(self, contentheader):

   222

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

   223

        if contentheader.has_key("projectVersion"):

   224

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

   225

        if contentheader.has_key("modificationDateTime"):

   226

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

   227

        if contentheader.has_key("organization"):

   228

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

   229

        if contentheader.has_key("authorName"):

   230

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

   231

        if contentheader.has_key("language"):

   232

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

   233

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

   234

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

   235

    setattr(cls, "setcontentHeader", setcontentHeader)

   236

   237

    def getdataTypes(self):

   238

        return self.types.getdataTypeElements()

   239

    setattr(cls, "getdataTypes", getdataTypes)

   240

   241

    def getdataType(self, name):

   242

        return self.types.getdataTypeElement(name)

   243

    setattr(cls, "getdataType", getdataType)

   244

   245

    def appenddataType(self, name):

   246

        if self.CustomTypeHierarchy.has_key(name):

   247

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

   248

        self.types.appenddataTypeElement(name)

   249

        self.AddCustomDataType(self.getdataType(name))

   250

    setattr(cls, "appenddataType", appenddataType)

   251

   252

    def insertdataType(self, index, datatype):

   253

        self.types.insertdataTypeElement(index, datatype)

   254

        self.AddCustomDataType(datatype)

   255

    setattr(cls, "insertdataType", insertdataType)

   256

   257

    def removedataType(self, name):

   258

        self.types.removedataTypeElement(name)

   259

        self.RefreshDataTypeHierarchy()

   260

        self.RefreshElementUsingTree()

   261

    setattr(cls, "removedataType", removedataType)

   262

   263

    def getpous(self):

   264

        return self.types.getpouElements()

   265

    setattr(cls, "getpous", getpous)

   266

   267

    def getpou(self, name):

   268

        return self.types.getpouElement(name)

   269

    setattr(cls, "getpou", getpou)

   270

   271

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

   272

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

   273

        self.AddCustomBlockType(self.getpou(name))

   274

    setattr(cls, "appendpou", appendpou)

   275

   276

    def insertpou(self, index, pou):

   277

        self.types.insertpouElement(index, pou)

   278

        self.AddCustomBlockType(pou)

   279

    setattr(cls, "insertpou", insertpou)

   280

   281

    def removepou(self, name):

   282

        self.types.removepouElement(name)

   283

        self.RefreshCustomBlockTypes()

   284

        self.RefreshElementUsingTree()

   285

    setattr(cls, "removepou", removepou)

   286

   287

    def getconfigurations(self):

   288

        configurations = self.instances.configurations.getconfiguration()

   289

        if configurations:

   290

            return configurations

   291

        return []

   292

    setattr(cls, "getconfigurations", getconfigurations)

   293

   294

    def getconfiguration(self, name):

   295

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

   296

            if configuration.getname() == name:

   297

                return configuration

   298

        return None

   299

    setattr(cls, "getconfiguration", getconfiguration)

   300

   301

    def addconfiguration(self, name):

   302

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

   303

            if configuration.getname() == name:

   304

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

   305

        new_configuration = PLCOpenClasses["configurations_configuration"]()

   306

        new_configuration.setname(name)

   307

        self.instances.configurations.appendconfiguration(new_configuration)

   308

    setattr(cls, "addconfiguration", addconfiguration)    

   309

   310

    def removeconfiguration(self, name):

   311

        found = False

   312

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

   313

            if configuration.getname() == name:

   314

                self.instances.configurations.removeconfiguration(idx)

   315

                found = True

   316

                break

   317

        if not found:

   318

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

   319

    setattr(cls, "removeconfiguration", removeconfiguration)

   320

   321

    def getconfigurationResource(self, config_name, name):

   322

        configuration = self.getconfiguration(config_name)

   323

        if configuration:

   324

            for resource in configuration.getresource():

   325

                if resource.getname() == name:

   326

                    return resource

   327

        return None

   328

    setattr(cls, "getconfigurationResource", getconfigurationResource)

   329

   330

    def addconfigurationResource(self, config_name, name):

   331

        configuration = self.getconfiguration(config_name)

   332

        if configuration:

   333

            for resource in configuration.getresource():

   334

                if resource.getname() == name:

   335

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

   336

            new_resource = PLCOpenClasses["configuration_resource"]()

   337

            new_resource.setname(name)

   338

            configuration.appendresource(new_resource)

   339

    setattr(cls, "addconfigurationResource", addconfigurationResource)

   340

   341

    def removeconfigurationResource(self, config_name, name):

   342

        configuration = self.getconfiguration(config_name)

   343

        if configuration:

   344

            found = False

   345

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

   346

                if resource.getname() == name:

   347

                    configuration.removeresource(idx)

   348

                    found = True

   349

                    break

   350

            if not found:

   351

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

   352

    setattr(cls, "removeconfigurationResource", removeconfigurationResource)

   353

   354

    def updateElementName(self, old_name, new_name):

   355

        for datatype in self.types.getdataTypeElements():

   356

            datatype_content = datatype.baseType.getcontent()

   357

            if datatype_content["name"] == "derived" and datatype_content["value"].getname() == old_name:

   358

                datatype_content["value"].setname(new_name)

   359

            elif datatype_content["name"] in ["array", "subrangeSigned", "subrangeUnsigned"]:

   360

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

   361

                if basetype_content["name"] == "derived" and basetype_content["value"].getname() == old_name:

   362

                    basetype_content["value"].setname(new_name)

   363

            elif datatype_content["name"] == "struct":

   364

                for element in datatype_content["value"].getvariable():

   365

                    element_type = element.type.getcontent()

   366

                    if element_type["name"] == "derived" and element_type["value"].getname() == old_name:

   367

                        element_type["value"].setname(new_name)

   368

        for pou in self.types.getpouElements():

   369

            pou.updateElementName(old_name, new_name)

   370

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

   371

            configuration.updateElementName(old_name, new_name)

   372

    setattr(cls, "updateElementName", updateElementName)

   373

   374

    def updateElementAddress(self, old_leading, new_leading):

   375

        address_model = re.compile(FILTER_ADDRESS_MODEL % old_leading)

   376

        for pou in self.types.getpouElements():

   377

            pou.updateElementAddress(address_model, new_leading)

   378

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

   379

            configuration.updateElementAddress(address_model, new_leading)

   380

    setattr(cls, "updateElementAddress", updateElementAddress)

   381

   382

    def removeVariableByAddress(self, address):

   383

        for pou in self.types.getpouElements():

   384

            pou.removeVariableByAddress(address)

   385

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

   386

            configuration.removeVariableByAddress(address)

   387

    setattr(cls, "removeVariableByAddress", removeVariableByAddress)

   388

   389

    def removeVariableByFilter(self, leading):

   390

        address_model = re.compile(FILTER_ADDRESS_MODEL % leading)

   391

        for pou in self.types.getpouElements():

   392

            pou.removeVariableByFilter(address_model)

   393

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

   394

            configuration.removeVariableByFilter(address_model)

   395

    setattr(cls, "removeVariableByFilter", removeVariableByFilter)

   396

   397

    def RefreshDataTypeHierarchy(self):

   398

        self.EnumeratedDataTypeValues = {}

   399

        self.CustomDataTypeRange = {}

   400

        self.CustomTypeHierarchy = {}

   401

        for datatype in self.getdataTypes():

   402

            self.AddCustomDataType(datatype)

   403

    setattr(cls, "RefreshDataTypeHierarchy", RefreshDataTypeHierarchy)

   404

   405

    def AddCustomDataType(self, datatype):

   406

        name = datatype.getname()

   407

        basetype_content = datatype.getbaseType().getcontent()

   408

        if basetype_content["value"] is None:

   409

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

   410

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

   411

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

   412

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

   413

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

   414

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

   415

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

   416

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

   417

            self.CustomDataTypeRange[name] = range

   418

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

   419

            if base_type["value"] is None:

   420

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

   421

            else:

   422

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

   423

        else:

   424

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

   425

                values = []

   426

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

   427

                    values.append(value.getname())

   428

                self.EnumeratedDataTypeValues[name] = values

   429

            self.CustomTypeHierarchy[name] = "ANY_DERIVED"

   430

    setattr(cls, "AddCustomDataType", AddCustomDataType)

   431

   432

    # Update Block types with user-defined pou added

   433

    def RefreshCustomBlockTypes(self):

   434

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

   435

        self.CustomBlockTypes = []

   436

        for pou in self.getpous():

   437

            self.AddCustomBlockType(pou)

   438

    setattr(cls, "RefreshCustomBlockTypes", RefreshCustomBlockTypes)

   439

   440

    def AddCustomBlockType(self, pou): 

   441

        pou_name = pou.getname()

   442

        pou_type = pou.getpouType()

   443

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

   444

                       "inputs" : [], "outputs" : [], "comment" : "",

   445

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

   446

        if pou.getinterface():

   447

            return_type = pou.interface.getreturnType()

   448

            if return_type:

   449

                var_type = return_type.getcontent()

   450

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

   451

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

   452

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

   453

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

   454

                else:

   455

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

   456

            for type, varlist in pou.getvars():

   457

                if type == "InOut":

   458

                    for var in varlist.getvariable():

   459

                        var_type = var.type.getcontent()

   460

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

   461

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

   462

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

   463

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

   464

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

   465

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

   466

                        else:

   467

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

   468

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

   469

                elif type == "Input":

   470

                    for var in varlist.getvariable():

   471

                        var_type = var.type.getcontent()

   472

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

   473

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

   474

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

   475

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

   476

                        else:

   477

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

   478

                elif type == "Output":

   479

                    for var in varlist.getvariable():

   480

                        var_type = var.type.getcontent()

   481

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

   482

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

   483

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

   484

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

   485

                        else:

   486

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

   487

        if pou.getbodyType() in ["FBD","LD","SFC"]:

   488

            for instance in pou.getinstances():

   489

                if isinstance(instance, PLCOpenClasses.get("commonObjects_comment", None)):

   490

                    block_infos["comment"] = instance.getcontentText()

   491

        self.CustomBlockTypes.append(block_infos)

   492

    setattr(cls, "AddCustomBlockType", AddCustomBlockType)