1

include yslt_noindent.yml2

     2

     3

// overrides yslt's output function to set CDATA

     4

decl output(method, cdata-section-elements="xhtml:script");

     5

     6

in xsl decl labels(*ptr, name="defs_by_labels") alias call-template {

     7

    with "hmi_element", "$hmi_element";

     8

    with "labels"{text *ptr};

     9

};

    10

    11

in xsl decl optional_labels(*ptr, name="defs_by_labels") alias call-template {

    12

    with "hmi_element", "$hmi_element";

    13

    with "labels"{text *ptr};

    14

    with "mandatory","'no'";

    15

};

    16

    17

in xsl decl svgtmpl(match, xmlns="http://www.w3.org/2000/svg") alias template;

    18

    19

istylesheet

    20

            /* From Inkscape */

    21

            xmlns:dc="http://purl.org/dc/elements/1.1/"

    22

            xmlns:cc="http://creativecommons.org/ns#"

    23

            xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"

    24

            xmlns:svg="http://www.w3.org/2000/svg"

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            xmlns:xlink="http://www.w3.org/1999/xlink"

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            xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"

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            xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"

    28

            xmlns:xhtml="http://www.w3.org/1999/xhtml"

    29

    30

            /* Our namespace to invoke python code */

    31

            xmlns:ns="beremiz"

    32

            extension-element-prefixes="ns func"

    33

            exclude-result-prefixes="ns str regexp exsl func" {

    34

    35

    /* This retrieves geometry obtained through "inkscape -S"

    36

     * already parsed by python and presented as a list of

    37

     * <bbox x="0" y="0" w="42" h="42">

    38

     */

    39

    const "geometry", "ns:GetSVGGeometry()";

    40

    const "hmitree", "ns:GetHMITree()";

    41

    42

    const "svg_root_id", "/svg:svg/@id";

    43

    const "hmi_elements", "//svg:*[starts-with(@inkscape:label, 'HMI:')]";

    44

    const "hmi_geometry", "$geometry[@Id = $hmi_elements/@id]";

    45

    46

    const "hmi_pages", "$hmi_elements[func:parselabel(@inkscape:label)/widget/@type = 'Page']";

    47

    48

    const "default_page" choose {

    49

        when "count($hmi_pages) > 1" {

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            const "Home_page", 

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                "$hmi_pages[func:parselabel(@inkscape:label)/widget/arg[1]/@value = 'Home']";

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            choose {

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                when "$Home_page" > Home

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                otherwise {

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                    error "No Home page defined!";

    56

                }

    57

            }

    58

        }

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        when "count($hmi_pages) = 0" {

    60

            error "No page defined!";

    61

        }

    62

        otherwise > «func:parselabel($hmi_pages/@inkscape:label)/widget/arg[1]/@value»

    63

    }

    64

    65

    const "_categories" {

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        noindex > HMI_ROOT

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        noindex > HMI_NODE

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        noindex > HMI_PLC_STATUS

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        noindex > HMI_CURRENT_PAGE

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    }

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    const "categories", "exsl:node-set($_categories)";

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    const "_indexed_hmitree" apply "$hmitree", mode="index";

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    const "indexed_hmitree", "exsl:node-set($_indexed_hmitree)";

    74

    75

    template "*", mode="index" {

    76

        param "index", "0";

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        param "parentpath", "''";

    78

        const "content" {

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            const "path"

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                choose {

    81

                    when "local-name() = 'HMI_ROOT'" > «$parentpath»

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                    otherwise > «$parentpath»/«@name»

    83

                }

    84

            choose {

    85

                when "not(local-name() = $categories/noindex)" {

    86

                    xsl:copy {

    87

                        attrib "index" > «$index»

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                        attrib "hmipath" > «$path»

    89

                        foreach "@*" xsl:copy;

    90

                    }

    91

                    /* no node expected below value nodes */

    92

                }

    93

                otherwise {

    94

                    apply "*[1]", mode="index"{

    95

                        with "index", "$index";

    96

                        with "parentpath" > «$path»

    97

                    }

    98

                }

    99

            }

   100

        }

   101

   102

        copy "$content";

   103

        apply "following-sibling::*[1]", mode="index" {

   104

            with "index", "$index + count(exsl:node-set($content)/*)";

   105

            with "parentpath" > «$parentpath»

   106

        }

   107

    }

   108

   109

    /* Identity template :

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     *  - copy every attributes 

   111

     *  - copy every sub-elements

   112

     */

   113

    template "@* | node()", mode="inline_svg" {

   114

      /* use real xsl:copy instead copy-of alias from yslt.yml2 */

   115

      xsl:copy apply "@* | node()", mode="inline_svg";

   116

    }

   117

   118

    /* replaces inkscape's height and width hints. forces fit */

   119

    template "svg:svg/@width", mode="inline_svg";

   120

    template "svg:svg/@height", mode="inline_svg";

   121

    svgtmpl "svg:svg", mode="inline_svg" svg {

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        attrib "preserveAspectRatio" > none

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        attrib "height" > 100vh

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        attrib "width" > 100vw

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        apply "@* | node()", mode="inline_svg";

   126

    }

   127

    /* ensure that coordinate in CSV file generated by inkscape are in default reference frame */

   128

    template "svg:svg[@viewBox!=concat('0 0 ', @width, ' ', @height)]", mode="inline_svg" {

   129

        error > ViewBox settings other than X=0, Y=0 and Scale=1 are not supported

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    }

   131

    /* ensure that coordinate in CSV file generated by inkscape match svg default unit */

   132

    template "sodipodi:namedview[@units!='px' or @inkscape:document-units!='px']", mode="inline_svg" {

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        error > All units must be set to "px" in Inkscape's document properties

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    }

   135

   173

    /*const "mark" > =HMI=\n*/

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   175

    /* copy root node and add geometry as comment for a test */

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    template "/" { 

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        comment > Made with SVGHMI. https://beremiz.org

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        /* DEBUG DATA */

   179

        comment {

   180

            apply "$hmi_geometry", mode="testgeo";

   181

        }

   182

        comment {

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            apply "$hmitree", mode="testtree";

   184

        }

   185

        comment {

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            apply "$indexed_hmitree", mode="testtree";

   187

        }

   188

        /**/

   189

        html xmlns="http://www.w3.org/1999/xhtml"

   190

             xmlns:svg="http://www.w3.org/2000/svg"

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             xmlns:xlink="http://www.w3.org/1999/xlink" {

   192

            head;

   193

            body style="margin:0;overflow:hidden;" {

   194

                apply "svg:svg", mode="inline_svg";

   195

                script{

   196

                    call "scripts";

   197

                }

   198

            }

   199

        }

   200

    }

   201

   202

    /*

   203

        Parses:

   204

        "HMI:WidgetType:param1:param2@path1@path2"

   205

   206

        Into:

   207

        widget type="WidgetType" {

   208

            arg value="param1";

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            arg value="param2";

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            path value="path1";

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            path value="path2";

   212

        }

   213

    */

   214

   215

    func:function name="func:parselabel" {

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        param "label";

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        const "description", "substring-after($label,'HMI:')";

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   219

        const "_args", "substring-before($description,'@')";

   220

        const "args" choose {

   221

            when "$_args" value "$_args";

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            otherwise value "$description";

   223

        }

   224

   225

        const "_type", "substring-before($args,':')";

   226

        const "type" choose {

   227

            when "$_type" value "$_type";

   228

            otherwise value "$args";

   229

        }

   230

   231

        const "ast" if "$type" widget {

   232

            attrib "type" > «$type»

   233

            foreach "str:split(substring-after($args, ':'), ':')" {

   234

                arg {

   235

                    attrib "value" > «.»

   236

                }

   237

            }

   238

            const "paths", "substring-after($description,'@')";

   239

            foreach "str:split($paths, '@')" {

   240

                path {

   241

                    attrib "value" > «.»

   242

                }

   243

            }

   244

        }

   245

   246

        func:result select="exsl:node-set($ast)"

   247

    }

   248

   249

    // returns all directly or indirectly refered elements

   250

    func:function name="func:refered_elements" {

   251

        param "elems";

   252

        const "descend", "$elems/descendant-or-self::svg:*";

   253

        const "clones", "$descend[self::svg:use]";

   254

        const "reals", "$descend[not(self::svg:use)]";

   255

        const "originals", "//svg:*[concat('#',@id) = $clones/@xlink:href]";

   256

        choose {

   257

            when "$originals" 

   258

                func:result select="$reals | func:refered_elements($originals)";

   259

            otherwise

   260

                func:result select="$reals";

   261

        }

   262

    }

   263

   264

    function "scripts"

   265

    {

   266

        | //(function(){

   267

        |

   268

        | var hmi_hash = [«$hmitree/@hash»]; 

   269

   270

        /* TODO re-enable

   271

        ||

   272

        function evaluate_js_from_descriptions() {

   273

            var Page;

   274

            var Input;

   275

            var Display;

   276

            var res = [];

   277

        ||

   278

        const "midmark" > \n«$mark»

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        apply """//*[contains(child::svg:desc, $midmark) or \

   280

                     starts-with(child::svg:desc, $mark)]""",2 

   281

              mode="code_from_descs";

   282

        ||

   283

            return res;

   284

        }

   285

        ||

   286

        */

   287

   288

        | var hmi_widgets = {

   289

        foreach "$hmi_elements" {

   290

            const "widget", "func:parselabel(@inkscape:label)/widget";

   291

            | "«@id»": {

   292

            |     type: "«$widget/@type»",

   293

            |     args: [

   294

            foreach "$widget/arg"

   295

            |         "«@value»"`if "position()!=last()" > ,`

   296

            |     ],

   297

            |     indexes: [

   298

            foreach "$widget/path" {

   299

                const "hmipath","@value";

   300

                const "hmitree_match","$indexed_hmitree/*[@hmipath = $hmipath]";

   301

                choose {

   302

                    when "count($hmitree_match) = 0" {

   303

                        warning > No match for path "«$hmipath»" in HMI tree

   304

                    }

   305

                    otherwise {

   306

            |         «$hmitree_match/@index»`if "position()!=last()" > ,`

   307

                    }

   308

                }

   309

            }

   310

            |     ],

   311

            |     element: document.getElementById("«@id»"),

   312

            apply "$widget", mode="widget_defs" with "hmi_element",".";

   313

            | }`if "position()!=last()" > ,`

   314

        }

   315

        | }

   316

        |

   317

        | var heartbeat_index = «$indexed_hmitree/*[@hmipath = '/HEARTBEAT']/@index»;

   318

        |

   319

        | var hmitree_types = [

   320

   321

        foreach "$indexed_hmitree/*" {

   322

            | /* «@index»  «@hmipath» */ "«substring(local-name(), 5)»"`if "position()!=last()" > ,`

   323

        }

   324

   325

        | ]

   326

        |

   327

        | var page_desc = {

   328

   329

        foreach "$hmi_pages" {

   330

            const "desc", "func:parselabel(@inkscape:label)/widget";

   331

            const "page", "."; 

   332

            const "p", "$hmi_geometry[@Id = $page/@id]"; 

   333

            const "page_ids","""$hmi_geometry[@Id != $page/@id and 

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                                @x >= $p/@x and @y >= $p/@y and 

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                                @x+@w <= $p/@x+$p/@w and @y+@h <= $p/@y+$p/@h]/@Id""";

   336

            const "page_sub_ids", "func:refered_elements($page)[@id = $hmi_elements/@id]/@id";

   337

            const "all_page_ids","$page_ids | $page_sub_ids[not(. = $page_ids)]"; 

   338

            |     "«$desc/arg[1]/@value»": {

   339

            |         widget: hmi_widgets["«@id»"],

   340

            |         bbox: [«$p/@x», «$p/@y», «$p/@w», «$p/@h»],

   341

            |         widgets: [

   342

            foreach "$all_page_ids" {

   343

            |             hmi_widgets["«.»"]`if "position()!=last()" > ,`

   344

            }

   345

            |         ]

   346

            |     }`if "position()!=last()" > ,`

   347

        }

   348

        | }

   349

   350

        |

   351

        | var default_page = "«$default_page»";

   352

        | var svg_root = document.getElementById("«$svg_root_id»");

   353

        include text svghmi.js

   354

        | //})();

   355

    }

   356

   357

    // template "*", mode="code_from_descs" {

   358

    //     ||

   359

    //     {

   360

    //         var path, role, name, priv;

   361

    //         var id = "«@id»";

   362

    //     ||

   363

   364

    //     /* if label is used, use it as default name */

   365

    //     if "@inkscape:label"

   366

    //         |> name = "«@inkscape:label»";

   367

   368

    //     | /* -------------- */

   369

   370

    //     // this breaks indent, but fixing indent could break string literals

   371

    //     value "substring-after(svg:desc, $mark)";

   372

    //     // nobody reads generated code anyhow...

   373

   374

    //     ||

   375

   376

    //         /* -------------- */

   377

    //         res.push({

   378

    //             path:path,

   379

    //             role:role,

   380

    //             name:name,

   381

    //             priv:priv

   382

    //         })

   383

    //     }

   384

    //     ||

   385

    // }

   386

   387

   388

    /**/

   389

    template "bbox", mode="testgeo"{

   390

        | ID: «@Id» x: «@x» y: «@y» w: «@w» h: «@h»

   391

    }

   392

   393

    template "*", mode="testtree"{

   394

        param "indent", "''";

   395

        > «$indent» «local-name()» 

   396

        foreach "@*" > «local-name()»=«.» 

   397

        > \n

   398

        apply "*", mode="testtree" {

   399

            with "indent" value "concat($indent,'>')"

   400

        };

   401

    }

   402

    /**/

   403

   404

    function "defs_by_labels" {

   405

        param "labels","''";

   406

        param "mandatory","'yes'";

   407

        param "hmi_element";

   408

        const "widget_type","@type";

   409

        foreach "str:split($labels)" {

   410

            const "name",".";

   411

            const "elt_id","$hmi_element//*[@inkscape:label=$name][1]/@id";

   412

            choose {

   413

                when "not($elt_id)" {

   414

                    if "$mandatory='yes'" {

   415

                        // TODO FIXME error > «$widget_type» widget must have a «$name» element

   416

                        warning > «$widget_type» widget must have a «$name» element

   417

                    }

   418

                    // otherwise produce nothing 

   419

                }

   420

                otherwise {

   421

                    | «$name»_elt: document.getElementById("«$elt_id»"),

   422

                }

   423

            }

   424

        }

   425

    }

   426

   427

   428

    template "widget[@type='Display']", mode="widget_defs" {

   429

        param "hmi_element";

   430

        | frequency: 5,

   431

        | dispatch: function(value) {

   432

        choose {

   433

            when "$hmi_element[self::svg:text]"{

   434

            // TODO : care about <tspan> ?

   435

        |   this.element.textContent = String(value);

   436

            }

   437

            otherwise {

   438

                warning > Display widget as a group not implemented

   439

            }

   440

        }

   441

        | },

   442

   443

    }

   444

    template "widget[@type='Meter']", mode="widget_defs" {

   445

        param "hmi_element";

   446

        | frequency: 10,

   447

        labels("value min max needle range");

   448

        | dispatch: function(value) {

   449

        |     this.value_elt.textContent = String(value);

   450

        |     let [min,max,totallength] = this.range;

   451

        |     let length = Math.max(0,Math.min(totallength,(Number(value)-min)*totallength/(max-min)));

   452

        |     let tip = this.range_elt.getPointAtLength(length);

   453

        // TODO : deal with transformations between needle and range

   454

        |     this.needle_elt.setAttribute('d', "M "+this.origin.x+","+this.origin.y+" "+tip.x+","+tip.y);

   455

        | },

   456

        | origin: undefined,

   457

        | range: undefined,

   458

        | init: function() {

   459

        |     this.range = [Number(this.min_elt.textContent), Number(this.max_elt.textContent), this.range_elt.getTotalLength()]

   460

        |     this.origin = this.needle_elt.getPointAtLength(0);

   461

        | },

   462

    }

   463

   464

    def "func:escape_quotes" {

   465

        param "txt";

   466

        // have to use a python string to enter escaped quote

   467

        const "frst", !"substring-before($txt,'\"')"!;

   468

        const "frstln", "string-length($frst)";

   469

        choose {

   470

            when "$frstln > 0 and string-length($txt) > $frstln" {

   471

                result !"concat($frst,'\\\"',func:escape_quotes(substring-after($txt,'\"')))"!;

   472

            }

   473

            otherwise {

   474

                result "$txt";

   475

            }

   476

        }

   477

    }

   478

   479

    template "widget[@type='Input']", mode="widget_defs" {

   480

        param "hmi_element";

   481

        const "value_elt" {

   482

            optional_labels("value");

   483

        }

   484

        value "$value_elt";

   485

        if "$value_elt"

   486

            | frequency: 5,

   487

        | dispatch: function(value) {

   488

        if "$value_elt"

   489

        |     this.value_elt.textContent = String(value);