Extension:External Data/Local programs/examples

// man
$wgExternalDataSources['man'] = [
'command' => 'man $topic$',
'params' => [ 'topic' ],
'param filters' => [ 'topic' => '/^\w+$/' ]
];

// whatis
$wgExternalDataSources['whatis'] = [
'command' => 'whatis $topic$',
'params' => [ 'topic' ],
'param filters' => [ 'topic' => '/^\w+$/' ]
];

// whois
$wgExternalDataSources['whois'] = [
'command' => 'whois $domain$',
'params' => [ 'domain' ],
'param filters' => [ 'domain' => '/^[\w\.]+$/' ]
];

// geoiplookup
$wgExternalDataSources['geoiplookup'] = [
'command' => 'geoiplookup $domain$',
'params' => [ 'domain' ],
'param filters' => [ 'domain' => '/^[\w\.]+$/' ]
];

// locale
$wgExternalDataSources['locale'] = [
'env' => [ 'LANG' => '$locale$' ],
'command' => 'locale -k $category$',
'params' => [ 'locale' => 'POSIX', 'category' ],
'param filters' => [ 'locale' => '/^\w+(\.\w+)?$/', 'category' => '/^LC_[A-Z]+$/' ]
];

// apt-cache show
$wgExternalDataSources['apt-cache show'] = [
'command' => 'apt-cache show $package$',
'params' => [ 'package' ],
'param filters' => [ 'package' => '/^[\w-]+$/' ]
];

// apt-cache showpkg
$wgExternalDataSources['apt-cache showpkg'] = [
'command' => 'apt-cache showpkg $package$',
'params' => [ 'package' ],
'param filters' => [ 'package' => '/^[\w-]+$/' ]
];

// apt-cache depends
$wgExternalDataSources['apt-cache depends'] = [
'command' => 'apt-cache depends $package$',
'params' => [ 'package' ],
'param filters' => [ 'package' => '/^[\w-]+$/' ]
];

// composer show
$wgExternalDataSources['composer show'] = [
'command' => 'composer show $package$',
'params' => [ 'package' ],
'param filters' => [ 'package' => '%^[\w/-]+$%' ]
];

// Time zones:
/*
echo > /var/www/scripts/tzdata <<'SCRIPT'
#!/bin/bash
echo -e 'name,weekday,month,day,time,year,abbr'
timedatectl list-timezones | xargs zdump | sed -E 's/\s+/,/g'
SCRIPT
sudo chmod +x /var/www/scripts/tzdata
*/
$wgExternalDataSources['tzdata'] = [
'name' => 'tzdata',
'command' => '/var/www/scripts/tzdata',
'min cache seconds' => 30 * 24 * 60 * 60
];

// GraphViz:
// sudo apt install graphviz
$wgExternalDataSources['graphviz'] = [
'name' => 'GraphViz',
'program url' => 'https://graphviz.org/',
'version command' => null,
'command' => 'dot -K$layout$ -Tsvg',
'params' => [ 'layout' => 'dot' ],
'param filters' => [ 'layout' => '/^(dot|neato|twopi|circo|fdp|osage|patchwork|sfdp)$/' ],
'input' => 'dot',
'preprocess' => 'EDConnectorExe::wikilinks4dot',
'postprocess' => 'EDConnectorExe::innerXML',
'min cache seconds' => 30 * 24 * 60 * 60,
'tag' => 'graphviz'
];

digraphexample3{
node[shape=plaintext];
Mollusca[URL="[[w:Mollusca]]"];
Neomeniomorpha[URL="[[w:Neomeniomorpha]]"];
X1[shape=point,label=""];
Caudofoveata[URL="[[w:Caudofoveata]]"];
Testaria[URL="[[w:Testaria]]"];
Polyplacophora[URL="[[w:Polyplacophora]]"];
Conchifera[URL="[[w:Conchifera]]"];
Tryblidiida[URL="[[w:Tryblidiida]]"];
Ganglioneura[URL="[[w:Ganglioneura]]"];
Bivalvia[URL="[[w:Bivalvia]]"];
X2[shape=point,label=""];
X3[shape=point,label=""];
Scaphopoda[URL="[[w:Scaphopoda]]"];
Cephalopoda[URL="[[w:Cephalopoda]]"];
Gastropoda[URL="[[w:Gastropoda]]"];
Mollusca->X1->Testaria->Conchifera->Ganglioneura->X2->Gastropoda
Mollusca->Neomeniomorpha
X1->Caudofoveata
Testaria->Polyplacophora
Conchifera->Tryblidiida
Ganglioneura->Bivalvia
X2->X3->Cephalopoda
X3->Scaphopoda
}

// mscgen:
// sudo apt install mscgen
$wgExternalDataSources['mscgen'] = [
'name' => 'mscgen',
'program url' => 'https://www.mcternan.me.uk/mscgen/',
'version' => 'Mscgen version 0.20, Copyright (C) 2010 Michael C McTernan, Michael.McTernan.2001@cs.bris.ac.uk',
'command' => 'mscgen -Tsvg -o -',
'input' => 'dot',
'preprocess' => 'EDConnectorExe::wikilinks4dot',
'postprocess' => 'EDConnectorExe::innerXML',
'min cache seconds' => 30 * 24 * 60 * 60,
'tag' => 'mscgen'
];

msc{
a,b,c;
a->b[label="ab()"];
b->c[label="bc(TRUE)"];
c=>c[label="process(1)"];
c=>c[label="process(2)"];
...;
c=>c[label="process(n)"];
c=>c[label="process(END)"];
a<<=c[label="callback()"];
---[label="If more to run",ID="*"];
a->a[label="next()"];
a->c[label="ac()"];
b<-c[label="cb(TRUE)"];
b->b[label="stalled(...)"];
a<-b[label="ab() = FALSE"];
}

// PlantUML
// sudo wget https://downloads.sourceforge.net/project/plantuml/plantuml.jar -P /usr/share/java
// wget http://beta.plantuml.net/plantuml-jlatexmath.zip && sudo unzip plantuml-jlatexmath.zip -d /usr/share/java
$wgExternalDataSources['plantuml'] = [
'name' => 'PlantUML',
'program url' => 'https://plantuml.com',
'version command' => 'java -jar /usr/share/java/plantuml.jar -version',
'command' => 'java -jar /usr/share/java/plantuml.jar -tsvg -charset UTF-8 -p',
'env' => [ 'LOG4J_FORMAT_MSG_NO_LOOKUPS' => true ],
'limits' => [ 'memory' => 0 ],
'params' => [ 'uml' ],
'input' => 'uml',
'preprocess' => 'EDConnectorExe::wikilinks4uml',
'postprocess' => 'EDConnectorExe::innerXML',
'min cache seconds' => 30 * 24 * 60 * 60,
'tag' => 'plantuml'
];

// ploticus
// sudo apt install ploticus
$wgExternalDataSources['ploticus'] = [
'name' => 'ploticus',
'program url' => 'http://ploticus.sourceforge.net/doc/welcome.html',
'version' => 'ploticus 2.42-May2013 (unix). This build can produce: PS EPS SVG SVGZ X11 PNG JPEG WBMP FreeType2. Copyright 1998-2009 Steve Grubb',
'command' => 'ploticus -stdin -scale $scale$ -textsize $fontsize$ -svg -omit_xml_declaration -xml_encoding utf-8 -noshell -csmap -o stdout',
'env' => [ 'TDH_ERRMODE' => 'cgi' ],
'params' => [ 'scale' => 1, 'fontsize' => 1 ],
'param filters' => [ 'scale' => '/^\d+(\.\d+)?$/', 'fontsize' => '/^\d+(\.\d+)?$/' ],
'input' => 'script',
'postprocess' => 'EDConnectorExe::innerXML',
'min cache seconds' => 30 * 24 * 60 * 60,
'tag' => 'ploticus'
];

// gnuplot
// sudo apt install gnuplot
// cd /var/www/js && mkdir gnuplot && cd gnuplot && wget http://gnuplot.sourceforge.net/demo_svg_5.4/gnuplot_svg.js
$wgExternalDataSources['gnuplot'] = [
'name' => 'gnuplot',
'program url' => 'http://www.gnuplot.info/',
'version command' => 'gnuplot -V',
'command' => [ 'gnuplot', '-e', 'set terminal svg size $width,ドル$height$ dynamic enhanced '
. 'font \'arial,$size$\' mousing jsdir \'/js/gnuplot\' name \'$name$\' $heads$ dashlength 1.0; ', '-' ],
'params' => [ 'width' => 600, 'height' => 400, 'size' => 10, 'name' => 'gnuplot', 'heads' => 'butt' ],
'param filters' => [ 'width' => '/^\d+$/', 'height' => '/^\d+$/', 'size' => '/^\d+$/', 'heads' => '/^(rounded|butt|square)$/' ],
'input' => 'script',
'postprocess' => 'EDConnectorExe::innerXML',
'min cache seconds' => 30 * 24 * 60 * 60,
'tag' => 'gnuplot'
];

// LilyPond
// sudo apt install lilypond
$wgExternalDataSources['lilypond'] = [
'name' => 'LilyPond',
'program url' => 'http://lilypond.org/',
'version command' => 'lilypond -v',
'command' => 'lilypond -dbackend=svg -dpaper-size="$size$" -dsafe -dcrop -o $tmp$ -',
'temp' => '$tmp$.cropped.svg',
'ignore warnings' => true,
'params' => [ 'size' => 'a4' ],
'param filters' => [ 'size' => '/^\w+$/' ],
'input' => 'score',
'min cache seconds' => 30 * 24 * 60 * 60,
'tag' => 'score'
];

// Vega
// In /var/www/js
// npm install vega-cli vega-embed vega-lite vega-projection-extended
// /var/www/js/vega/config.json
/*
{
"locale": {
"number": {
"decimal": ",",
"thousands": "\u00a0",
"grouping": [3],
"currency": ["", "\u00a0₽"]
},
"time": {
"dateTime": "%A, %e %B %Y г. %X",
"date": "%d.%m.%Y",
"time": "%H:%M:%S",
"periods": ["AM", "PM"],
"days": ["воскресенье", "понедельник", "вторник", "среда", "четверг", "пятница", "суббота"],
"shortDays": ["вс", "пн", "вт", "ср", "чт", "пт", "сб"],
"months": ["января", "февраля", "марта", "апреля", "мая", "июня", "июля", "августа", "сентября", "октября", "ноября", "декабря"],
"shortMonths": ["янв", "фев", "мар", "апр", "май", "июн", "июл", "авг", "сен", "окт", "ноя", "дек"]
}
}
}
*/
$wgExternalDataSources['vega'] = [
'name' => 'Vega',
'program url' => 'https://vega.github.io',
'version command' => '/var/www/js/node_modules/vega-cli/bin/vg2svg --version',
'command' => "/var/www/js/node_modules/vega-cli/bin/vg2svg -c /var/www/js/vega/config.json -b $wgUploadDirectory",
'params' => [ 'json', 'width' => 600, 'height' => 600 ],
'param filters' => [
'json' => static function( string $json ) {
return is_array( $json ) || is_string( $json ) && json_decode( $json );
},
'width' => '/^\d+$/', 'height' => '/^\d+$/',
],
'input' => 'json',
'preprocess' => function( $json ) {
return is_array( $json ) ? json_encode( $json ) : $json;
},
'postprocess' => static function ( $svg, array $params ) {
$json = $params['json'];
$id = hash( 'fnv1a64', $json );
if ( is_string ( $json ) ) {
// Decode JSON.
$result = \FormatJson::parse( $json, FormatJson::TRY_FIXING | FormatJson::STRIP_COMMENTS );
if ( !$result->isOK() ) {
return EDParserFunctions::formatErrorMessages( 'JSON could not be parsed' );
}
$parsed = $result->getValue();
if ( !is_object( $parsed ) ) {
return EDParserFunctions::formatErrorMessages( 'Parsed JSON is not an object' );
}
} else {
$parsed = $json;
}
// Encode JSON back.
$json = html_entity_decode( \FormatJSON::encode( $parsed, false, \FormatJSON::ALL_OK ) );
if ( $params['width'] && $params['height'] ) {
$style = "min-width:{$params['width']}; min-height:{$params['height']}";
} else {
$style ='';
}
return <<<HTML
<div class="vega" id="id_$id" style="$style">$svg</div>
HTML . "\n" . Html::inlineScript( <<<SCRIPT
(function () {
// Some bug injects &amp; and &#160; into json values.
const removeEntities = function ( json ) {
const nbsp = /&#160;/g;
const amp = /&amp;/g;
if ( typeof json === 'string' || json instanceof String ) {
json = json.replace( nbsp, ' ' ).replace( amp, '&' );
} else if ( Array.isArray( json ) || typeof json === 'object' ) {
for ( key in json ) {
json[key] = removeEntities( json[key] );
}
}
return json;
}
const spec = removeEntities( $json );
var waitForJQuery = setInterval( function() {
if ( typeof $!== 'undefined' ) {
$.when(
mw.loader.getScript( '/js/node_modules/vega/build/vega.min.js' ),
mw.loader.getScript( '/js/node_modules/vega-lite/build/vega-lite.min.js' ),
mw.loader.getScript( '/js/node_modules/vega-embed/build/vega-embed.min.js' ),
).then(
function () {
vegaEmbed( '#id_$id', spec ).then( function( result ) {
console.log( 'vegaEmbed result: ' + result );
} ).catch( function( error ) {
mw.log.error( error );
});
},
function ( e ) {
// A script failed, and is not available
mw.log.error( e.message ); // => "Failed to load script"
}
);
clearInterval( waitForJQuery );
}
}, 10 );
} )();
SCRIPT );
},
'min cache seconds' => 30 * 24 * 60 * 60,
'tag' => 'graph'
];

// in /var/www/js: npm install @mermaid-js/mermaid-cli
$wgExternalDataSources ['mermaid'] = [
'name' => 'mermaid', // need fallback to data source in version report.
'command' => '/var/www/js/node_modules/.bin/mmdc -w $width$ -H $height$ -t $theme$ -b $background$',
'limits' => [ 'memory' => 0 ],
'version command' => '/var/www/js/node_modules/.bin/mmdc -V',
'program url' => 'https://mermaid-js.github.io',
'params' => [ 'mmd', 'width' => '800', 'height' => '600', 'theme' => 'default', 'background' => 'white' ],
'param filters' => [ 'width' => '/^\d+$/', 'height' => '/^\d+$/', 'theme' => '/^(default|forest|dark|neutral)$/i', 'background' => '/^(\w+|\#[0-9A-F]{6})$/i' ],
'input' => 'mmd',
'temp' => 'out.svg',
'min cache seconds' => 30 * 24 * 60 * 60,
'tag' => 'mermaid'
];

// In /var/www/js: npm install bpmn-to-image
/* create and chmod +x bpmn:
#!/bin/bash
input=$(mktemp /tmp/XXXXXXXXX.bpmn)
cat > $input
output=$(mktemp /tmp/XXXXXXXXX.svg)
/var/www/js/node_modules/.bin/bpmn-to-image $input:$output --min-dimensions=1ドルx2ドル --scale=3ドル --title=4ドル --no-footer 1> /dev/null
cat $output
rm $input
rm $output
*/
$wgExternalDataSources['bpmn'] = [
'name' => 'BPMN.io',
'program url' => 'https://bpmn.io/',
'version command' => '/var/www/js/node_modules/.bin/bpmn-to-image --version',
'command' => '/var/www/js/bpmn $width$ $height$ $scale$ $title$',
'limits' => [ 'memory' => 0 ],
'params' => [ 'bpmn', 'width' => 400, 'height' => 300, 'scale' => 1, 'title' => 'BPMN diagram' ],
'param filters' => [ 'bpmn' => static function ( string $xml ): bool {
return (bool)simplexml_load_string( $xml );
}, 'width' => '/^\d+$/', 'height' => '/^\d+$/', 'scale' => '/^\d+(\.\d+)?$/' ],
'input' => 'bpmn',
'min cache seconds' => 30 * 24 * 60 * 60,
'tag' => 'bpmn'
];

<?xml version="1.0" standalone="yes"?>
<semantic:definitionsid="_1275940932088"targetNamespace="http://www.trisotech.com/definitions/_1275940932088"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns:di="http://www.omg.org/spec/DD/20100524/DI"xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI"xmlns:dc="http://www.omg.org/spec/DD/20100524/DC"xmlns:semantic="http://www.omg.org/spec/BPMN/20100524/MODEL">
<semantic:messageid="_1275940932310"/>
<semantic:messageid="_1275940932433"/>
<semantic:processisExecutable="false"id="_6-1">
<semantic:laneSetid="ls_6-438">
<semantic:lanename="clerk"id="_6-650">
<semantic:flowNodeRef>_6-450</semantic:flowNodeRef>
<semantic:flowNodeRef>_6-652</semantic:flowNodeRef>
<semantic:flowNodeRef>_6-674</semantic:flowNodeRef>
<semantic:flowNodeRef>_6-695</semantic:flowNodeRef>
</semantic:lane>
<semantic:lanename="pizza chef"id="_6-446">
<semantic:flowNodeRef>_6-463</semantic:flowNodeRef>
</semantic:lane>
<semantic:lanename="delivery boy"id="_6-448">
<semantic:flowNodeRef>_6-514</semantic:flowNodeRef>
<semantic:flowNodeRef>_6-565</semantic:flowNodeRef>
<semantic:flowNodeRef>_6-616</semantic:flowNodeRef>
</semantic:lane>
</semantic:laneSet>
<semantic:startEventname="Order received"id="_6-450">
<semantic:outgoing>_6-630</semantic:outgoing>
<semantic:messageEventDefinitionmessageRef="_1275940932310"/>
</semantic:startEvent>
<semantic:parallelGatewaygatewayDirection="Unspecified"name=""id="_6-652">
<semantic:incoming>_6-630</semantic:incoming>
<semantic:outgoing>_6-691</semantic:outgoing>
<semantic:outgoing>_6-693</semantic:outgoing>
</semantic:parallelGateway>
<semantic:intermediateCatchEventparallelMultiple="false"name="&#8222;where is my pizza?&#8220;"id="_6-674">
<semantic:incoming>_6-691</semantic:incoming>
<semantic:incoming>_6-746</semantic:incoming>
<semantic:outgoing>_6-748</semantic:outgoing>
<semantic:messageEventDefinitionmessageRef="_1275940932433"/>
</semantic:intermediateCatchEvent>
<semantic:taskcompletionQuantity="1"isForCompensation="false"startQuantity="1"name="Calm customer"id="_6-695">
<semantic:incoming>_6-748</semantic:incoming>
<semantic:outgoing>_6-746</semantic:outgoing>
</semantic:task>
<semantic:taskcompletionQuantity="1"isForCompensation="false"startQuantity="1"name="Bake the pizza"id="_6-463">
<semantic:incoming>_6-693</semantic:incoming>
<semantic:outgoing>_6-632</semantic:outgoing>
</semantic:task>
<semantic:taskcompletionQuantity="1"isForCompensation="false"startQuantity="1"name="Deliver the pizza"id="_6-514">
<semantic:incoming>_6-632</semantic:incoming>
<semantic:outgoing>_6-634</semantic:outgoing>
</semantic:task>
<semantic:taskcompletionQuantity="1"isForCompensation="false"startQuantity="1"name="Receive payment"id="_6-565">
<semantic:incoming>_6-634</semantic:incoming>
<semantic:outgoing>_6-636</semantic:outgoing>
</semantic:task>
<semantic:endEventname=""id="_6-616">
<semantic:incoming>_6-636</semantic:incoming>
<semantic:terminateEventDefinition/>
</semantic:endEvent>
<semantic:sequenceFlowsourceRef="_6-450"targetRef="_6-652"name=""id="_6-630"/>
<semantic:sequenceFlowsourceRef="_6-463"targetRef="_6-514"name=""id="_6-632"/>
<semantic:sequenceFlowsourceRef="_6-514"targetRef="_6-565"name=""id="_6-634"/>
<semantic:sequenceFlowsourceRef="_6-565"targetRef="_6-616"name=""id="_6-636"/>
<semantic:sequenceFlowsourceRef="_6-652"targetRef="_6-674"name=""id="_6-691"/>
<semantic:sequenceFlowsourceRef="_6-652"targetRef="_6-463"name=""id="_6-693"/>
<semantic:sequenceFlowsourceRef="_6-695"targetRef="_6-674"name=""id="_6-746"/>
<semantic:sequenceFlowsourceRef="_6-674"targetRef="_6-695"name=""id="_6-748"/>
</semantic:process>
<semantic:messageid="_1275940932198"/>
<semantic:processisExecutable="false"id="_6-2">
<semantic:startEventname="Hungry for pizza"id="_6-61">
<semantic:outgoing>_6-125</semantic:outgoing>
</semantic:startEvent>
<semantic:taskcompletionQuantity="1"isForCompensation="false"startQuantity="1"name="Select a pizza"id="_6-74">
<semantic:incoming>_6-125</semantic:incoming>
<semantic:outgoing>_6-178</semantic:outgoing>
</semantic:task>
<semantic:taskcompletionQuantity="1"isForCompensation="false"startQuantity="1"name="Order a pizza"id="_6-127">
<semantic:incoming>_6-178</semantic:incoming>
<semantic:outgoing>_6-420</semantic:outgoing>
</semantic:task>
<semantic:eventBasedGatewayeventGatewayType="Exclusive"instantiate="false"gatewayDirection="Unspecified"name=""id="_6-180">
<semantic:incoming>_6-420</semantic:incoming>
<semantic:incoming>_6-430</semantic:incoming>
<semantic:outgoing>_6-422</semantic:outgoing>
<semantic:outgoing>_6-424</semantic:outgoing>
</semantic:eventBasedGateway>
<semantic:intermediateCatchEventparallelMultiple="false"name="pizza received"id="_6-202">
<semantic:incoming>_6-422</semantic:incoming>
<semantic:outgoing>_6-428</semantic:outgoing>
<semantic:messageEventDefinitionmessageRef="_1275940932198"/>
</semantic:intermediateCatchEvent>
<semantic:intermediateCatchEventparallelMultiple="false"name="60 minutes"id="_6-219">
<semantic:incoming>_6-424</semantic:incoming>
<semantic:outgoing>_6-426</semantic:outgoing>
<semantic:timerEventDefinition>
<semantic:timeDate/>
</semantic:timerEventDefinition>
</semantic:intermediateCatchEvent>
<semantic:taskcompletionQuantity="1"isForCompensation="false"startQuantity="1"name="Ask for the pizza"id="_6-236">
<semantic:incoming>_6-426</semantic:incoming>
<semantic:outgoing>_6-430</semantic:outgoing>
</semantic:task>
<semantic:taskcompletionQuantity="1"isForCompensation="false"startQuantity="1"name="Pay the pizza"id="_6-304">
<semantic:incoming>_6-428</semantic:incoming>
<semantic:outgoing>_6-434</semantic:outgoing>
</semantic:task>
<semantic:taskcompletionQuantity="1"isForCompensation="false"startQuantity="1"name="Eat the pizza"id="_6-355">
<semantic:incoming>_6-434</semantic:incoming>
<semantic:outgoing>_6-436</semantic:outgoing>
</semantic:task>
<semantic:endEventname="Hunger satisfied"id="_6-406">
<semantic:incoming>_6-436</semantic:incoming>
</semantic:endEvent>
<semantic:sequenceFlowsourceRef="_6-61"targetRef="_6-74"name=""id="_6-125"/>
<semantic:sequenceFlowsourceRef="_6-74"targetRef="_6-127"name=""id="_6-178"/>
<semantic:sequenceFlowsourceRef="_6-127"targetRef="_6-180"name=""id="_6-420"/>
<semantic:sequenceFlowsourceRef="_6-180"targetRef="_6-202"name=""id="_6-422"/>
<semantic:sequenceFlowsourceRef="_6-180"targetRef="_6-219"name=""id="_6-424"/>
<semantic:sequenceFlowsourceRef="_6-219"targetRef="_6-236"name=""id="_6-426"/>
<semantic:sequenceFlowsourceRef="_6-202"targetRef="_6-304"name=""id="_6-428"/>
<semantic:sequenceFlowsourceRef="_6-236"targetRef="_6-180"name=""id="_6-430"/>
<semantic:sequenceFlowsourceRef="_6-304"targetRef="_6-355"name=""id="_6-434"/>
<semantic:sequenceFlowsourceRef="_6-355"targetRef="_6-406"name=""id="_6-436"/>
</semantic:process>
<semantic:collaborationid="C1275940932557">
<semantic:participantname="Pizza Customer"processRef="_6-2"id="_6-53"/>
<semantic:participantname="Pizza vendor"processRef="_6-1"id="_6-438"/>
<semantic:messageFlowname="pizza order"sourceRef="_6-127"targetRef="_6-450"id="_6-638"/>
<semantic:messageFlowname=""sourceRef="_6-236"targetRef="_6-674"id="_6-642"/>
<semantic:messageFlowname="receipt"sourceRef="_6-565"targetRef="_6-304"id="_6-646"/>
<semantic:messageFlowname="money"sourceRef="_6-304"targetRef="_6-565"id="_6-648"/>
<semantic:messageFlowname="pizza"sourceRef="_6-514"targetRef="_6-202"id="_6-640"/>
<semantic:messageFlowname=""sourceRef="_6-695"targetRef="_6-236"id="_6-750"/>
</semantic:collaboration>
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<bpmndi:BPMNLabel/>
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<bpmndi:BPMNLabel/>
</bpmndi:BPMNShape>
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<bpmndi:BPMNLabel/>
</bpmndi:BPMNShape>
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<bpmndi:BPMNLabel/>
</bpmndi:BPMNShape>
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<bpmndi:BPMNLabel/>
</bpmndi:BPMNShape>
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</bpmndi:BPMNShape>
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</bpmndi:BPMNShape>
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<bpmndi:BPMNLabel/>
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<bpmndi:BPMNLabel/>
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<bpmndi:BPMNLabel/>
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<bpmndi:BPMNLabel/>
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</bpmndi:BPMNDiagram>
</semantic:definitions>

// ECharts:
/* in /var/www/js:
npm install echarts --save
mkdir echarts
echo | echarts/echarts.js <<ECHARTS
const echarts = require( 'echarts' );
// Parameters:
let width = 400;
let height = 300;
process.stdin.on('data', ( data ) => {
// Parameters:
let width = 400;
let height = 300;
process.argv.forEach( ( val, index, array ) => {
let matches = val.match( /(width|height)\s*=\s*(\d+)/ );
if ( matches ) {
if ( matches[1] === 'width' ) {
width = parseInt( matches[2] );
} else if ( matches[1] === 'height' ) {
height = parseInt( matches[2] );
}
}
});
// In SSR mode the first container parameter is not required
let chart = echarts.init( null, null, {
renderer: 'svg', // must use SVG rendering mode
ssr: true, // enable SSR
width: width,
height: height
});
// Use setOption as normal
chart.setOption( JSON.parse( data ) );
// Output a string
console.log( chart.renderToSVGString() );
// If chart is no longer useful, consider dispose it to release memory.
chart.dispose();
chart = null;
});
ECHARTS
*/
$wgExternalDataSources['echarts'] = [
'name' => 'ECharts',
'program url' => 'https://echarts.apache.org',
'version command' => 'npm -v echarts',
'command' => 'node /var/www/js/echarts/echarts.js width=$width$ height=$height$ < echart.json',
'limits' => [ 'memory' => 0 ],
'params' => [ 'chart', 'width' => 400, 'height' => 300 ],
'param filters' => [ 'chart' => static function( string $json ): bool {
return is_array( $json ) || is_string( $json ) && json_decode( $json );
}, 'width' => '/^\d+$/', 'height' => '/^\d+$/' ],
'input' => 'chart',
'min cache seconds' => 30 * 24 * 60 * 60,
'tag' => 'echarts'
];

$wgExternalDataSources['zint'] = [
'name' => 'Zint',
'program url' => 'https://www.zint.org.uk/',
'version command' => 'zint -v',
'limits' => [ 'memory' => 0, 'time' => 0, 'walltime' => 0, 'filesize' => 0 ],
'command' =>
'zint --small --direct --filetype=svg --height=$height$ --barcode=$barcode$ --data=$code$',
'params' => [ 'height' => '25', 'code' => '123456789012', 'barcode' => 'BARCODE_EANX' ],
'param filters' => [ 'height' => '/^\d\d$/', 'code' => '/^\d+$/' ],
'input' => 'zint',
'ignore warnings' => true,
'tag' => 'zint'
];

<zint barcode="BARCODE_EANX" height="70" code="9781540761149"></zint>