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#!/usr/bin/env python

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

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# This file is part of Beremiz, a Integrated Development Environment for

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# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.

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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 program is free software; you can redistribute it and/or

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# modify it under the terms of the GNU General Public License

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# as published by the Free Software Foundation; either version 2

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

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#

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# This program 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

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# GNU 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 License

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

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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

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import os

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import re

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import datetime

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from xml.dom import minidom

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from types import *

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from xmlclass import *

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def GenerateDictFacets(facets):

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    return dict([(name, (None, False)) for name in facets])

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def GenerateSimpleTypeXMLText(function):

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    def generateXMLTextMethod(value, name=None, indent=0):

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        text = ""

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        if name is not None:

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            ind1, ind2 = getIndent(indent, name)

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            text += ind1 + "<%s>" % name

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        text += function(value)

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        if name is not None:

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            text += "</%s>\n" % name

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        return text

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    return generateXMLTextMethod

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def GenerateFloatXMLText(extra_values=[], decimal=None):

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    float_format = (lambda x: "{:.{width}f}".format(x, width=decimal).rstrip('0')

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                    if decimal is not None else str)

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    def generateXMLTextMethod(value, name=None, indent=0):

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        text = ""

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        if name is not None:

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            ind1, ind2 = getIndent(indent, name)

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            text += ind1 + "<%s>" % name

    60

        if isinstance(value, IntType):

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            text += str(value)

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        elif value in extra_values or value % 1 != 0:

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            text += float_format(value)

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        else:

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            text += "{:.0f}".format(value)

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        if name is not None:

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            text += "</%s>\n" % name

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        return text

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    return generateXMLTextMethod

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DEFAULT_FACETS = GenerateDictFacets(["pattern", "whiteSpace", "enumeration"])

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NUMBER_FACETS = GenerateDictFacets(DEFAULT_FACETS.keys() + ["maxInclusive", "maxExclusive", "minInclusive", "minExclusive"])

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DECIMAL_FACETS = GenerateDictFacets(NUMBER_FACETS.keys() + ["totalDigits", "fractionDigits"])

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STRING_FACETS = GenerateDictFacets(DEFAULT_FACETS.keys() + ["length", "minLength", "maxLength"])

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ALL_FACETS = ["pattern", "whiteSpace", "enumeration", "maxInclusive",

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    "maxExclusive", "minInclusive", "minExclusive", "totalDigits",

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    "fractionDigits", "length", "minLength", "maxLength"]

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#-------------------------------------------------------------------------------

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#                           Structure reducing functions

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#-------------------------------------------------------------------------------

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# Documentation elements

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def ReduceAppInfo(factory, attributes, elements):

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    return {"type": "appinfo", "source": attributes.get("source", None),

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            "content": "\n".join(elements)}

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def ReduceDocumentation(factory, attributes, elements):

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    return {"type": "documentation", "source": attributes.get("source", None),

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            "language": attributes.get("lang", "any"), "content": "\n".join(elements)}

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def ReduceAnnotation(factory, attributes, elements):

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    annotations, children = factory.ReduceElements(elements)

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    annotation = {"type": "annotation", "appinfo": [], "documentation": {}}

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    for child in children:

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        if child["type"] == "appinfo":

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            annotation["appinfo"].append((child["source"], child["content"]))

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        elif child["type"] == "documentation":

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            if child["source"] is not None:

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                text = "(source: %(source)s):\n%(content)s\n\n" % child

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            else:

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                text = child["content"] + "\n\n"

   110

            if not annotation["documentation"].has_key(child["language"]):

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                annotation["documentation"] = text

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            else:

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                annotation["documentation"] += text

   114

    return annotation

   115

   116

# Simple type elements

   117

   118

   119

def GenerateFacetReducing(facetname, canbefixed):

   120

    def ReduceFacet(factory, attributes, elements):

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        annotations, children = factory.ReduceElements(elements)

   122

        if attributes.has_key("value"):

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            facet = {"type": facetname, "value": attributes["value"], "doc": annotations}

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            if canbefixed:

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                facet["fixed"] = attributes.get("fixed", False)

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            return facet

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        raise ValueError("A value must be defined for the \"%s\" facet!" % facetname)

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    return ReduceFacet

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   130

   131

def ReduceList(factory, attributes, elements):

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    annotations, children = factory.ReduceElements(elements)

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    list = {"type": "list", "itemType": attributes.get("itemType", None), "doc": annotations}

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    if len(children) > 0 and children[0]["type"] == SIMPLETYPE:

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        if list["itemType"] is None:

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            list["itemType"] = children[0]

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        else:

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            raise ValueError("Only one base type can be defined for restriction!")

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    if list["itemType"] is None:

   141

        raise ValueError("No base type has been defined for list!")

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    return list

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def ReduceUnion(factory, attributes, elements):

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    annotations, children = factory.ReduceElements(elements)

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    union = {"type": "union", "memberTypes": attributes.get("memberTypes", []), "doc": annotations}

   148

   149

    for child in children:

   150

        if child["type"] == SIMPLETYPE:

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            union["memberTypes"].appendchild

   152

    if len(union["memberTypes"]) == 0:

   153

        raise ValueError("No base type has been defined for union!")

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    return union

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   156

   157

def CreateSimpleType(factory, attributes, typeinfos):

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    # Initialize type informations

   159

    facets = {}

   160

    simpleType = {"type": SIMPLETYPE, "final": attributes.get("final", [])}

   161

    if attributes.has_key("name"):

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        simpleType["name"] = attributes["name"]

   163

   164

    if typeinfos["type"] in ["restriction", "extension"]:

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        # Search for base type definition

   166

        if isinstance(typeinfos["base"], (StringType, UnicodeType)):

   167

            basetypeinfos = factory.FindSchemaElement(typeinfos["base"], SIMPLETYPE)

   168

            if basetypeinfos is None:

   169

                raise "\"%s\" isn't defined!" % typeinfos["base"]

   170

        else:

   171

            basetypeinfos = typeinfos["base"]

   172

   173

        # Check that base type is a simple type

   174

        if basetypeinfos["type"] != SIMPLETYPE:

   175

            raise ValueError("Base type given isn't a simpleType!")

   176

   177

        simpleType["basename"] = basetypeinfos["basename"]

   178

   179

        # Check that derivation is allowed

   180

        if basetypeinfos.has_key("final"):

   181

            if "#all" in basetypeinfos["final"]:

   182

                raise ValueError("Base type can't be derivated!")

   183

            if "restriction" in basetypeinfos["final"] and typeinfos["type"] == "restriction":

   184

                raise ValueError("Base type can't be derivated by restriction!")

   185

   186

        # Extract simple type facets

   187

        for facet in typeinfos.get("facets", []):

   188

            facettype = facet["type"]

   189

            if not basetypeinfos["facets"].has_key(facettype):

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                raise ValueError("\"%s\" facet can't be defined for \"%s\" type!" % (facettype, type))

   191

            elif basetypeinfos["facets"][facettype][1]:

   192

                raise ValueError("\"%s\" facet is fixed on base type!" % facettype)

   193

            value = facet["value"]

   194

            basevalue = basetypeinfos["facets"][facettype][0]

   195

            if facettype in ["enumeration", "pattern"]:

   196

                value = basetypeinfos["extract"](value, False)

   197

                if len(facets) == 0:

   198

                    facets[facettype] = ([value], False)

   199

                    continue

   200

                elif facets.keys() == [facettype]:

   201

                    facets[facettype][0].append(value)

   202

                    continue

   203

                else:

   204

                    raise ValueError("\"%s\" facet can't be defined with another facet type!" % facettype)

   205

            elif facets.has_key("enumeration"):

   206

                raise ValueError("\"enumeration\" facet can't be defined with another facet type!")

   207

            elif facets.has_key("pattern"):

   208

                raise ValueError("\"pattern\" facet can't be defined with another facet type!")

   209

            elif facets.has_key(facettype):

   210

                raise ValueError("\"%s\" facet can't be defined two times!" % facettype)

   211

            elif facettype == "length":

   212

                if facets.has_key("minLength"):

   213

                    raise ValueError("\"length\" and \"minLength\" facets can't be defined at the same time!")

   214

                if facets.has_key("maxLength"):

   215

                    raise ValueError("\"length\" and \"maxLength\" facets can't be defined at the same time!")

   216

                try:

   217

                    value = int(value)

   218

                except:

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                    raise ValueError("\"length\" must be an integer!")

   220

                if value < 0:

   221

                    raise ValueError("\"length\" can't be negative!")

   222

                elif basevalue is not None and basevalue != value:

   223

                    raise ValueError("\"length\" can't be different from \"length\" defined in base type!")

   224

            elif facettype == "minLength":

   225

                if facets.has_key("length"):

   226

                    raise ValueError("\"length\" and \"minLength\" facets can't be defined at the same time!")

   227

                try:

   228

                    value = int(value)

   229

                except:

   230

                    raise ValueError("\"minLength\" must be an integer!")

   231

                if value < 0:

   232

                    raise ValueError("\"minLength\" can't be negative!")

   233

                elif facets.has_key("maxLength") and value > facets["maxLength"]:

   234

                    raise ValueError("\"minLength\" must be lesser than or equal to \"maxLength\"!")

   235

                elif basevalue is not None and basevalue < value:

   236

                    raise ValueError("\"minLength\" can't be lesser than \"minLength\" defined in base type!")

   237

            elif facettype == "maxLength":

   238

                if facets.has_key("length"):

   239

                    raise ValueError("\"length\" and \"maxLength\" facets can't be defined at the same time!")

   240

                try:

   241

                    value = int(value)

   242

                except:

   243

                    raise ValueError("\"maxLength\" must be an integer!")

   244

                if value < 0:

   245

                    raise ValueError("\"maxLength\" can't be negative!")

   246

                elif facets.has_key("minLength") and value < facets["minLength"]:

   247

                    raise ValueError("\"minLength\" must be lesser than or equal to \"maxLength\"!")

   248

                elif basevalue is not None and basevalue > value:

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                    raise ValueError("\"maxLength\" can't be greater than \"maxLength\" defined in base type!")

   250

            elif facettype == "minInclusive":

   251

                if facets.has_key("minExclusive"):

   252

                    raise ValueError("\"minExclusive\" and \"minInclusive\" facets can't be defined at the same time!")

   253

                value = basetypeinfos["extract"](facet["value"], False)

   254

                if facets.has_key("maxInclusive") and value > facets["maxInclusive"][0]:

   255

                    raise ValueError("\"minInclusive\" must be lesser than or equal to \"maxInclusive\"!")

   256

                elif facets.has_key("maxExclusive") and value >= facets["maxExclusive"][0]:

   257

                    raise ValueError("\"minInclusive\" must be lesser than \"maxExclusive\"!")

   258

            elif facettype == "minExclusive":

   259

                if facets.has_key("minInclusive"):

   260

                    raise ValueError("\"minExclusive\" and \"minInclusive\" facets can't be defined at the same time!")

   261

                value = basetypeinfos["extract"](facet["value"], False)

   262

                if facets.has_key("maxInclusive") and value >= facets["maxInclusive"][0]:

   263

                    raise ValueError("\"minExclusive\" must be lesser than \"maxInclusive\"!")

   264

                elif facets.has_key("maxExclusive") and value >= facets["maxExclusive"][0]:

   265

                    raise ValueError("\"minExclusive\" must be lesser than \"maxExclusive\"!")

   266

            elif facettype == "maxInclusive":

   267

                if facets.has_key("maxExclusive"):

   268

                    raise ValueError("\"maxExclusive\" and \"maxInclusive\" facets can't be defined at the same time!")

   269

                value = basetypeinfos["extract"](facet["value"], False)

   270

                if facets.has_key("minInclusive") and value < facets["minInclusive"][0]:

   271

                    raise ValueError("\"minInclusive\" must be lesser than or equal to \"maxInclusive\"!")

   272

                elif facets.has_key("minExclusive") and value <= facets["minExclusive"][0]:

   273

                    raise ValueError("\"minExclusive\" must be lesser than \"maxInclusive\"!")

   274

            elif facettype == "maxExclusive":

   275

                if facets.has_key("maxInclusive"):

   276

                    raise ValueError("\"maxExclusive\" and \"maxInclusive\" facets can't be defined at the same time!")

   277

                value = basetypeinfos["extract"](facet["value"], False)

   278

                if facets.has_key("minInclusive") and value <= facets["minInclusive"][0]:

   279

                    raise ValueError("\"minInclusive\" must be lesser than \"maxExclusive\"!")

   280

                elif facets.has_key("minExclusive") and value <= facets["minExclusive"][0]:

   281

                    raise ValueError("\"minExclusive\" must be lesser than \"maxExclusive\"!")

   282

            elif facettype == "whiteSpace":

   283

                if basevalue == "collapse" and value in ["preserve", "replace"] or basevalue == "replace" and value == "preserve":

   284

                   raise ValueError("\"whiteSpace\" is incompatible with \"whiteSpace\" defined in base type!")

   285

            elif facettype == "totalDigits":

   286

                if facets.has_key("fractionDigits") and value <= facets["fractionDigits"][0]:

   287

                    raise ValueError("\"fractionDigits\" must be lesser than or equal to \"totalDigits\"!")

   288

                elif basevalue is not None and value > basevalue:

   289

                    raise ValueError("\"totalDigits\" can't be greater than \"totalDigits\" defined in base type!")

   290

            elif facettype == "fractionDigits":

   291

                if facets.has_key("totalDigits") and value <= facets["totalDigits"][0]:

   292

                    raise ValueError("\"fractionDigits\" must be lesser than or equal to \"totalDigits\"!")

   293

                elif basevalue is not None and value > basevalue:

   294

                    raise ValueError("\"totalDigits\" can't be greater than \"totalDigits\" defined in base type!")

   295

            facets[facettype] = (value, facet.get("fixed", False))

   296

   297

        # Report not redefined facet from base type to new created type

   298

        for facettype, facetvalue in basetypeinfos["facets"].items():

   299

            if not facets.has_key(facettype):

   300

                facets[facettype] = facetvalue

   301

   302

        # Generate extract value for new created type

   303

        def ExtractSimpleTypeValue(attr, extract=True):

   304

            value = basetypeinfos["extract"](attr, extract)

   305

            for facetname, (facetvalue, facetfixed) in facets.items():

   306

                if facetvalue is not None:

   307

                    if facetname == "enumeration" and value not in facetvalue:

   308

                        raise ValueError("\"%s\" not in enumerated values" % value)

   309

                    elif facetname == "length" and len(value) != facetvalue:

   310

                        raise ValueError("value must have a length of %d" % facetvalue)

   311

                    elif facetname == "minLength" and len(value) < facetvalue:

   312

                        raise ValueError("value must have a length of %d at least" % facetvalue)

   313

                    elif facetname == "maxLength" and len(value) > facetvalue:

   314

                        raise ValueError("value must have a length of %d at most" % facetvalue)

   315

                    elif facetname == "minInclusive" and value < facetvalue:

   316

                        raise ValueError("value must be greater than or equal to %s" % str(facetvalue))

   317

                    elif facetname == "minExclusive" and value <= facetvalue:

   318

                        raise ValueError("value must be greater than %s" % str(facetvalue))

   319

                    elif facetname == "maxInclusive" and value > facetvalue:

   320

                        raise ValueError("value must be lesser than or equal to %s" % str(facetvalue))

   321

                    elif facetname == "maxExclusive"  and value >= facetvalue:

   322

                        raise ValueError("value must be lesser than %s" % str(facetvalue))

   323

                    elif facetname == "pattern":

   324

                        model = re.compile("(?:%s)?$" % "|".join(map(lambda x: "(?:%s)" % x, facetvalue)))

   325

                        result = model.match(value)

   326

                        if result is None:

   327

                            if len(facetvalue) > 1:

   328

                                raise ValueError("value doesn't follow any of the patterns %s" % ",".join(facetvalue))

   329

                            else:

   330

                                raise ValueError("value doesn't follow the pattern %s" % facetvalue[0])

   331

                    elif facetname == "whiteSpace":

   332

                        if facetvalue == "replace":

   333

                            value = GetNormalizedString(value, False)

   334

                        elif facetvalue == "collapse":

   335

                            value = GetToken(value, False)

   336

            return value

   337

   338

        def CheckSimpleTypeValue(value):

   339

            for facetname, (facetvalue, facetfixed) in facets.items():

   340

                if facetvalue is not None:

   341

                    if facetname == "enumeration" and value not in facetvalue:

   342

                        return False

   343

                    elif facetname == "length" and len(value) != facetvalue:

   344

                        return False

   345

                    elif facetname == "minLength" and len(value) < facetvalue:

   346

                        return False

   347

                    elif facetname == "maxLength" and len(value) > facetvalue:

   348

                        return False

   349

                    elif facetname == "minInclusive" and value < facetvalue:

   350

                        return False

   351

                    elif facetname == "minExclusive" and value <= facetvalue:

   352

                        return False

   353

                    elif facetname == "maxInclusive" and value > facetvalue:

   354

                        return False

   355

                    elif facetname == "maxExclusive"  and value >= facetvalue:

   356

                        return False

   357

                    elif facetname == "pattern":

   358

                        model = re.compile("(?:%s)?$" % "|".join(map(lambda x: "(?:%s)" % x, facetvalue)))

   359

                        result = model.match(value)

   360

                        if result is None:

   361

                            if len(facetvalue) > 1:

   362

                                raise ValueError("value doesn't follow any of the patterns %s" % ",".join(facetvalue))

   363

                            else:

   364

                                raise ValueError("value doesn't follow the pattern %s" % facetvalue[0])

   365

            return True

   366

   367

        def SimpleTypeInitialValue():

   368

            for facetname, (facetvalue, facetfixed) in facets.items():

   369

                if facetvalue is not None:

   370

                    if facetname == "enumeration":

   371

                        return facetvalue[0]

   372

                    elif facetname == "length":

   373

                        return " "*facetvalue

   374

                    elif facetname == "minLength":

   375

                        return " "*minLength

   376

                    elif facetname == "minInclusive" and facetvalue > 0:

   377

                        return facetvalue

   378

                    elif facetname == "minExclusive" and facetvalue >= 0:

   379

                        return facetvalue + 1

   380

                    elif facetname == "maxInclusive" and facetvalue < 0:

   381

                        return facetvalue

   382

                    elif facetname == "maxExclusive"  and facetvalue <= 0:

   383

                        return facetvalue - 1

   384

            return basetypeinfos["initial"]()

   385

   386

        GenerateSimpleType = basetypeinfos["generate"]

   387

   388

    elif typeinfos["type"] == "list":

   389

        # Search for item type definition

   390

        if isinstance(typeinfos["itemType"], (StringType, UnicodeType)):

   391

            itemtypeinfos = factory.FindSchemaElement(typeinfos["itemType"], SIMPLETYPE)

   392

            if itemtypeinfos is None:

   393

                raise "\"%s\" isn't defined!" % typeinfos["itemType"]

   394

        else:

   395

            itemtypeinfos = typeinfos["itemType"]

   396

   397

        # Check that item type is a simple type

   398

        if itemtypeinfos["type"] != SIMPLETYPE:

   399

            raise ValueError, "Item type given isn't a simpleType!"

   400

   401

        simpleType["basename"] = "list"

   402

   403

        # Check that derivation is allowed

   404

        if itemtypeinfos.has_key("final"):

   405

            if itemtypeinfos["final"].has_key("#all"):

   406

                raise ValueError("Item type can't be derivated!")

   407

            if itemtypeinfos["final"].has_key("list"):

   408

                raise ValueError("Item type can't be derivated by list!")

   409

   410

        # Generate extract value for new created type

   411

        def ExtractSimpleTypeValue(attr, extract=True):

   412

            values = []

   413

            for value in GetToken(attr, extract).split(" "):

   414

                values.append(itemtypeinfos["extract"](value, False))

   415

            return values

   416

   417

        def CheckSimpleTypeValue(value):

   418

            for item in value:

   419

                result = itemtypeinfos["check"](item)

   420

                if not result:

   421

                    return result

   422

            return True

   423

   424

        SimpleTypeInitialValue = lambda: []

   425

   426

        GenerateSimpleType = GenerateSimpleTypeXMLText(lambda x: " ".join(map(itemtypeinfos["generate"], x)))

   427

   428

        facets = GenerateDictFacets(["length", "maxLength", "minLength", "enumeration", "pattern"])

   429

        facets["whiteSpace"] = ("collapse", False)

   430

   431

    elif typeinfos["type"] == "union":

   432

        # Search for member types definition

   433

        membertypesinfos = []

   434

        for membertype in typeinfos["memberTypes"]:

   435

            if isinstance(membertype, (StringType, UnicodeType)):

   436

                infos = factory.FindSchemaElement(membertype, SIMPLETYPE)

   437

                if infos is None:

   438

                    raise ValueError("\"%s\" isn't defined!" % membertype)

   439

            else:

   440

                infos = membertype

   441

   442

            # Check that member type is a simple type

   443

            if infos["type"] != SIMPLETYPE:

   444

                raise ValueError("Member type given isn't a simpleType!")

   445

   446

            # Check that derivation is allowed

   447

            if infos.has_key("final"):

   448

                if infos["final"].has_key("#all"):

   449

                    raise ValueError("Item type can't be derivated!")

   450

                if infos["final"].has_key("union"):

   451

                    raise ValueError("Member type can't be derivated by union!")

   452

   453

            membertypesinfos.append(infos)

   454

   455

        simpleType["basename"] = "union"

   456

   457

        # Generate extract value for new created type

   458

        def ExtractSimpleTypeValue(attr, extract=True):

   459

            if extract:

   460

                value = GetAttributeValue(attr)

   461

            else:

   462

                value = attr

   463

            for infos in membertypesinfos:

   464

                try:

   465

                    return infos["extract"](attr, False)

   466

                except:

   467

                    pass

   468

            raise ValueError("\"%s\" isn't valid for type defined for union!")

   469

   470

        def CheckSimpleTypeValue(value):

   471

            for infos in membertypesinfos:

   472

                result = infos["check"](value)

   473

                if result:

   474

                    return result

   475

            return False

   476

   477

        SimpleTypeInitialValue = membertypesinfos[0]["initial"]

   478

   479

        def GenerateSimpleTypeFunction(value):

   480

            if isinstance(value, BooleanType):

   481

                return {True: "true", False: "false"}[value]

   482

            else:

   483

                return str(value)

   484

        GenerateSimpleType = GenerateSimpleTypeXMLText(GenerateSimpleTypeFunction)

   485

   486

        facets = GenerateDictFacets(["pattern", "enumeration"])

   487

   488

    simpleType["facets"] = facets

   489

    simpleType["extract"] = ExtractSimpleTypeValue

   490

    simpleType["initial"] = SimpleTypeInitialValue

   491

    simpleType["check"] = CheckSimpleTypeValue

   492

    simpleType["generate"] = GenerateSimpleType

   493

    return simpleType

   494

   495

   496

def ReduceSimpleType(factory, attributes, elements):

   497

    # Reduce all the simple type children

   498

    annotations, children = factory.ReduceElements(elements)

   499

   500

    simpleType = CreateSimpleType(factory, attributes, children[0])

   501

    simpleType["doc"] = annotations

   502

   503

    return simpleType

   504

   505

# Complex type

   506

   507

   508

def ExtractAttributes(factory, elements, base=None):

   509

    attrs = []

   510

    attrnames = {}

   511

    if base is not None:

   512

        basetypeinfos = factory.FindSchemaElement(base)

   513

        if not isinstance(basetypeinfos, (UnicodeType, StringType)) and basetypeinfos["type"] == COMPLEXTYPE:

   514

            attrnames = dict(map(lambda x: (x["name"], True), basetypeinfos["attributes"]))

   515

   516

    for element in elements: