Add symbolator

.github/workflows/main.yaml

@@ -37,6 +37,12 @@ jobs:
     - name: Install GraphViz
       run: sudo apt-get install graphviz -y
 
+    - name: Install Symbolator
+      run: |
+        wget https://github.com/zebreus/symbolator/releases/download/v1.2.1/symbolator.AppImage
+        chmod +x symbolator.AppImage
+        mv symbolator.AppImage /usr/local/bin/symbolator
+
     - name: Set up JDK 11
       uses: actions/setup-java@v3
       with:

DOCKERHUB.md

@@ -2,7 +2,7 @@
 
 Convert plain text diagrams to images !
 
-Kroki provides a unified API with support for BlockDiag (BlockDiag, SeqDiag, ActDiag, NwDiag, PacketDiag, RackDiag), BPMN, Bytefield, C4 (with PlantUML), D2, DBML, Ditaa, Erd, Excalidraw, GraphViz, Mermaid, Nomnoml, Pikchr, PlantUML, SvgBob, UMLet, Vega, Vega-Lite, WaveDrom... and more to come!
+Kroki provides a unified API with support for BlockDiag (BlockDiag, SeqDiag, ActDiag, NwDiag, PacketDiag, RackDiag), BPMN, Bytefield, C4 (with PlantUML), D2, DBML, Ditaa, Erd, Excalidraw, GraphViz, Mermaid, Nomnoml, Pikchr, PlantUML, SvgBob, Symbolator, UMLet, Vega, Vega-Lite, WaveDrom... and more to come!
 
 ## Getting Started
 

README.adoc

@@ -8,7 +8,7 @@ image:https://github.com/yuzutech/kroki/workflows/CI/badge.svg?branch=master[Git
 image:https://img.shields.io/badge/zulip-join_chat-brightgreen.svg[Zulip chat, link=https://kroki.zulipchat.com/]
 endif::[]
 
-{uri-kroki}[Kroki] provides a unified API with support for BlockDiag (BlockDiag, SeqDiag, ActDiag, NwDiag, PacketDiag, RackDiag), BPMN, Bytefield, C4 (with PlantUML), D2, DBML, Diagrams.net (experimental), Ditaa, Erd, Excalidraw, GraphViz, Mermaid, Nomnoml, Pikchr, PlantUML, SvgBob, UMLet, Vega, Vega-Lite, WaveDrom and WireViz... and more to come!
+{uri-kroki}[Kroki] provides a unified API with support for BlockDiag (BlockDiag, SeqDiag, ActDiag, NwDiag, PacketDiag, RackDiag), BPMN, Bytefield, C4 (with PlantUML), D2, DBML, Diagrams.net (experimental), Ditaa, Erd, Excalidraw, GraphViz, Mermaid, Nomnoml, Pikchr, PlantUML, SvgBob, Symbolator, UMLet, Vega, Vega-Lite, WaveDrom and WireViz... and more to come!
 
 == Quickstart
 

blockdiag/examples.py

@@ -393,6 +393,28 @@ def sample(service, source):
 
 sample('ditaa', ditaa)
 
+# Symbolator
+section('Symbolator')
+symbolator = """
+module demo_device #(
+    //# {{}}
+    parameter SIZE = 8,
+    parameter RESET_ACTIVE_LEVEL = 1
+) (
+    //# {{clocks|Clocking}}
+    input wire clock,
+    //# {{control|Control signals}}
+    input wire reset,
+    input wire enable,
+    //# {{data|Data ports}}
+    input wire [SIZE-1:0] data_in,
+    output wire [SIZE-1:0] data_out
+);
+  // ...
+endmodule
+"""
+
+sample('symbolator', symbolator)
 
 section('C4 PlantUML')
 context_bigbank = """

ci/tests/diagrams/component.sv

@@ -0,0 +1,16 @@
+module demo_device #(
+    //# {{}}
+    parameter SIZE = 8,
+    parameter RESET_ACTIVE_LEVEL = 1
+) (
+    //# {{clocks|Clocking}}
+    input wire clock,
+    //# {{control|Control signals}}
+    input wire reset,
+    input wire enable,
+    //# {{data|Data ports}}
+    input wire [SIZE-1:0] data_in,
+    output wire [SIZE-1:0] data_out
+);
+  // ...
+endmodule

ci/tests/smoke.js

@@ -5,41 +5,42 @@ import * as url from 'url'
 const __dirname = url.fileURLToPath(new URL('.', import.meta.url))
 
 const tests = [
-  {engine: 'graphviz', file: 'hello.dot', options: {}, outputFormat: ['svg', 'jpeg']},
-  {engine: 'dot', file: 'hello.dot', options: {}, outputFormat: ['svg', 'jpeg']},
-  {engine: 'blockdiag', file: 'kroki.diag', options: {}, outputFormat: ['svg', 'png']},
-  {engine: 'seqdiag', file: 'sequence.diag', options: {}, outputFormat: ['svg', 'png']},
-  {engine: 'actdiag', file: 'actions.diag', options: {}, outputFormat: ['svg', 'png']},
-  {engine: 'nwdiag', file: 'network.diag', options: {}, outputFormat: ['svg', 'png']},
-  {engine: 'c4plantuml', file: 'banking-system.puml', options: {}, outputFormat: ['svg', 'pdf', 'png', 'txt']},
-  {engine: 'dbml', file: 'dbml.dbml', options: {}, outputFormat: ['svg']},
-  {engine: 'ditaa', file: 'components.ditaa', options: {}, outputFormat: ['svg']},
-  {engine: 'erd', file: 'schema.erd', options: {}, outputFormat: ['svg']},
-  {engine: 'mermaid', file: 'contribute.mmd', options: {}, outputFormat: ['svg']},
-  {engine: 'bpmn', file: 'example.bpmn', options: {}, outputFormat: ['svg']},
-  {engine: 'plantuml', file: 'architecture.puml', options: {}, outputFormat: ['svg', 'pdf', 'png', 'txt']},
-  {engine: 'svgbob', file: 'cloud.bob', options: {}, outputFormat: ['svg']},
-  {engine: 'nomnoml', file: 'pirate.nomnoml', options: {}, outputFormat: ['svg']},
-  {engine: 'packetdiag', file: 'packet.diag', options: {}, outputFormat: ['svg', 'png']},
-  {engine: 'rackdiag', file: 'rack.diag', options: {}, outputFormat: ['svg', 'png']},
-  {engine: 'vega', file: 'bar-chart.vega', options: {}, outputFormat: ['svg', 'png', 'pdf']},
-  {engine: 'vegalite', file: 'discretizing-scale.vlite', options: {}, outputFormat: ['svg', 'png', 'pdf']},
-  {engine: 'wavedrom', file: 'wavedrom.json5', options: {}, outputFormat: ['svg']},
-  {engine: 'wavedrom', file: 'bitfield.json5', options: {}, outputFormat: ['svg']},
-  {engine: 'bytefield', file: 'bytefield.bf', options: {}, outputFormat: ['svg']},
-  {engine: 'umlet', file: 'umlet.xml', options: {}, outputFormat: ['svg']},
-  {engine: 'excalidraw', file: 'venn.excalidraw', options: {}, outputFormat: ['svg']},
-  {engine: 'pikchr', file: 'sqlite-architecture.pikchr', options: {}, outputFormat: ['svg']},
-  {engine: 'structurizr', file: 'gettingstarted.structurizr', options: {}, outputFormat: ['svg']},
-  {engine: 'diagramsnet', file: 'diagramsnet-infography.xml', options: {}, outputFormat: ['svg', 'png']},
-  {engine: 'diagramsnet', file: 'diagramsnet-mindmap.xml', options: {}, outputFormat: ['svg', 'png']},
-  {engine: 'diagramsnet', file: 'diagramsnet-network.xml', options: {}, outputFormat: ['svg', 'png']},
-  {engine: 'diagramsnet', file: 'diagramsnet-ui.xml', options: {}, outputFormat: ['svg', 'png']},
-  {engine: 'diagramsnet', file: 'diagramsnet-venn.xml', options: {}, outputFormat: ['svg', 'png']},
-  {engine: 'd2', file: 'connections.d2', options: {}, outputFormat: ['svg']},
-  {engine: 'd2', file: 'connections.d2', options: {sketch: 'true'}, outputFormat: ['svg']},
-  {engine: 'wireviz', file: 'wireviz.yaml', options: {}, outputFormat: ['svg', 'png']},
-  {engine: 'tikz', file: 'periodic-table.tex', options: {}, outputFormat: ['jpeg', 'pdf', 'png', 'svg']}
+  { engine: 'graphviz', file: 'hello.dot', options: {}, outputFormat: ['svg', 'jpeg'] },
+  { engine: 'dot', file: 'hello.dot', options: {}, outputFormat: ['svg', 'jpeg'] },
+  { engine: 'blockdiag', file: 'kroki.diag', options: {}, outputFormat: ['svg', 'png'] },
+  { engine: 'seqdiag', file: 'sequence.diag', options: {}, outputFormat: ['svg', 'png'] },
+  { engine: 'actdiag', file: 'actions.diag', options: {}, outputFormat: ['svg', 'png'] },
+  { engine: 'nwdiag', file: 'network.diag', options: {}, outputFormat: ['svg', 'png'] },
+  { engine: 'c4plantuml', file: 'banking-system.puml', options: {}, outputFormat: ['svg', 'pdf', 'png', 'txt'] },
+  { engine: 'dbml', file: 'dbml.dbml', options: {}, outputFormat: ['svg'] },
+  { engine: 'ditaa', file: 'components.ditaa', options: {}, outputFormat: ['svg'] },
+  { engine: 'symbolator', file: 'component.sv', options: {}, outputFormat: ['svg', 'png'] },
+  { engine: 'erd', file: 'schema.erd', options: {}, outputFormat: ['svg'] },
+  { engine: 'mermaid', file: 'contribute.mmd', options: {}, outputFormat: ['svg'] },
+  { engine: 'bpmn', file: 'example.bpmn', options: {}, outputFormat: ['svg'] },
+  { engine: 'plantuml', file: 'architecture.puml', options: {}, outputFormat: ['svg', 'pdf', 'png', 'txt'] },
+  { engine: 'svgbob', file: 'cloud.bob', options: {}, outputFormat: ['svg'] },
+  { engine: 'nomnoml', file: 'pirate.nomnoml', options: {}, outputFormat: ['svg'] },
+  { engine: 'packetdiag', file: 'packet.diag', options: {}, outputFormat: ['svg', 'png'] },
+  { engine: 'rackdiag', file: 'rack.diag', options: {}, outputFormat: ['svg', 'png'] },
+  { engine: 'vega', file: 'bar-chart.vega', options: {}, outputFormat: ['svg', 'png', 'pdf'] },
+  { engine: 'vegalite', file: 'discretizing-scale.vlite', options: {}, outputFormat: ['svg', 'png', 'pdf'] },
+  { engine: 'wavedrom', file: 'wavedrom.json5', options: {}, outputFormat: ['svg'] },
+  { engine: 'wavedrom', file: 'bitfield.json5', options: {}, outputFormat: ['svg'] },
+  { engine: 'bytefield', file: 'bytefield.bf', options: {}, outputFormat: ['svg'] },
+  { engine: 'umlet', file: 'umlet.xml', options: {}, outputFormat: ['svg'] },
+  { engine: 'excalidraw', file: 'venn.excalidraw', options: {}, outputFormat: ['svg'] },
+  { engine: 'pikchr', file: 'sqlite-architecture.pikchr', options: {}, outputFormat: ['svg'] },
+  { engine: 'structurizr', file: 'gettingstarted.structurizr', options: {}, outputFormat: ['svg'] },
+  { engine: 'diagramsnet', file: 'diagramsnet-infography.xml', options: {}, outputFormat: ['svg', 'png'] },
+  { engine: 'diagramsnet', file: 'diagramsnet-mindmap.xml', options: {}, outputFormat: ['svg', 'png'] },
+  { engine: 'diagramsnet', file: 'diagramsnet-network.xml', options: {}, outputFormat: ['svg', 'png'] },
+  { engine: 'diagramsnet', file: 'diagramsnet-ui.xml', options: {}, outputFormat: ['svg', 'png'] },
+  { engine: 'diagramsnet', file: 'diagramsnet-venn.xml', options: {}, outputFormat: ['svg', 'png'] },
+  { engine: 'd2', file: 'connections.d2', options: {}, outputFormat: ['svg'] },
+  { engine: 'd2', file: 'connections.d2', options: { sketch: 'true' }, outputFormat: ['svg'] },
+  { engine: 'wireviz', file: 'wireviz.yaml', options: {}, outputFormat: ['svg', 'png'] },
+  { engine: 'tikz', file: 'periodic-table.tex', options: {}, outputFormat: ['jpeg', 'pdf', 'png', 'svg'] }
 ]
 
 chai.use(chaiHttp)
@@ -95,7 +96,7 @@ describe('Diagrams', function () {
 describe('PlantUML native image', function () {
   this.timeout(15000)
   it('plantuml (native image) should convert class diagram (issue#1546)', async () => {
-    const testCase = {engine: 'plantuml', file: 'class.puml'}
+    const testCase = { engine: 'plantuml', file: 'class.puml' }
     const response = await sendRequest(testCase, 'svg')
     try {
       expect(response.status).to.equal(200)
@@ -109,7 +110,7 @@ describe('PlantUML native image', function () {
 describe('CJK font', function () {
   this.timeout(15000)
   it('plantuml should compute correct text length (issue#574)', async () => {
-    const testCase = {engine: 'plantuml', file: 'chinese.puml'}
+    const testCase = { engine: 'plantuml', file: 'chinese.puml' }
     const response = await sendRequest(testCase, 'svg')
     try {
       expect(response.body.toString('utf8')).to.include('textLength="56"')
@@ -119,7 +120,7 @@ describe('CJK font', function () {
     }
   })
   it('mermaid should compute correct text length (issue#1167)', async () => {
-    const testCase = {engine: 'mermaid', file: 'japanese.mermaid'}
+    const testCase = { engine: 'mermaid', file: 'japanese.mermaid' }
     const response = await sendRequest(testCase, 'svg')
     try {
       const data = response.body.toString('utf8')
@@ -137,23 +138,23 @@ describe('CJK font', function () {
 
 describe('Health', function () {
   this.timeout(15000)
-  ;['/health', '/healthz', '/v1/health'].forEach((endpoint) => {
-    it(`should return health status from ${endpoint}`, async () => {
-      const response = await chai.request('localhost:8000')
-        .get(endpoint)
-        .set('Accept', 'application/health+json')
-        .send()
+    ;['/health', '/healthz', '/v1/health'].forEach((endpoint) => {
+      it(`should return health status from ${endpoint}`, async () => {
+        const response = await chai.request('localhost:8000')
+          .get(endpoint)
+          .set('Accept', 'application/health+json')
+          .send()
 
-      try {
-        expect(response.status).to.equal(200)
-        expect(response.body.status).to.equal('pass')
-        const engines = Array.from(new Set(tests.map((it) => it.engine)))
-        engines.push('kroki')
-        expect(response.body.version).to.have.keys(engines)
-      } catch (err) {
-        console.log('response:', response.text)
-        throw err
-      }
+        try {
+          expect(response.status).to.equal(200)
+          expect(response.body.status).to.equal('pass')
+          const engines = Array.from(new Set(tests.map((it) => it.engine)))
+          engines.push('kroki')
+          expect(response.body.version).to.have.keys(engines)
+        } catch (err) {
+          console.log('response:', response.text)
+          throw err
+        }
+      })
     })
-  })
 })

docs/antora.yml

@@ -25,6 +25,7 @@ asciidoc:
     seqdiag-version: 3.0.0
     structurizr-version: 1.30.1
     svgbob-version: 0.7.0
+    symbolator-version: 1.2.1
     umlet-version: 15.1
     vega-version: 5.24.0
     vegalite-version: 5.7.0

docs/modules/ROOT/pages/architecture.adoc

@@ -69,6 +69,10 @@ The `yuzutech/kroki` Docker image contains the following diagrams libraries out-
 |{svgbob-version}
 //|Binary `/rust/bin/svgbob`
 
+|https://hdl.github.io/symbolator/[Symbolator]
+|{symbolator-version}
+//|Binary `/usr/bin/symbolator`
+
 |https://github.com/umlet/umlet[UMlet]
 |{umlet-version}
 //|Java library

docs/modules/ROOT/pages/diagram-types.adoc

@@ -38,6 +38,7 @@ Diagram::
 * Digital Timing diagram (waveform)
 * BPMN diagram
 * Bytefield diagram
+* HDL Component diagram
 * Excalidraw
 * https://www.diagrams.net/[diagrams.net] (experimental)
 * WireViz

docs/modules/ROOT/pages/index.adoc

@@ -5,8 +5,8 @@
 === Convert plain text diagrams to images !
 
 Kroki provides a unified HTTP API with support for BlockDiag (BlockDiag, SeqDiag, ActDiag, NwDiag, PacketDiag, RackDiag),
-BPMN, Bytefield, C4 (with PlantUML), Diagrams.net (experimental), Ditaa, Erd, Excalidraw, GraphViz, Mermaid, Nomnoml, PlantUML, Structurizr, SvgBob, UMLet,
-Vega, Vega-Lite, WaveDrom and WireViz... and more to come!
+BPMN, Bytefield, C4 (with PlantUML), Diagrams.net (experimental), Ditaa, Erd, Excalidraw, GraphViz, Mermaid, Nomnoml, PlantUML, Structurizr, SvgBob,
+Symbolator, UMLet, Vega, Vega-Lite, WaveDrom and WireViz... and more to come!
 
 Kroki is available as a Self-Managed instance. +
 We are also _actively_ looking for sponsors to provide Kroki as a free service:

docs/modules/setup/pages/configuration.adoc

@@ -117,6 +117,7 @@ you can override its location manually using an environment variable or a Java s
 `KROKI_PIKCHR_BIN_PATH`:: Path to `pikchr` binary (defaults: `/usr/bin/pikchr`)
 `KROKI_PLANTUML_BIN_PATH`:: Path to `plantuml` binary (defaults: `/usr/bin/plantuml`)
 `KROKI_SVGBOB_BIN_PATH`:: Path to `svgbob` binary (defaults: `/usr/bin/svgbob`)
+`KROKI_SYMBOLATOR_BIN_PATH`:: Path to `symbolator` binary (defaults: `/usr/bin/symbolator`)
 `KROKI_TIKZ2SVG_BIN_PATH`:: Path to `tikz2svg` binary (defaults: `/usr/bin/tikz2svg`)
 `KROKI_UMLET_BIN_PATH`:: Path to `umlet` binary (defaults: `/usr/bin/umlet`)
 `KROKI_VEGA_BIN_PATH`:: Path to `vega` binary which supports both Vega and Vega-Lite grammar (defaults: `/usr/bin/bytefield`)

docs/modules/setup/pages/install.adoc

@@ -83,6 +83,7 @@ The {uri-docker-kroki-image}[yuzutech/kroki] image contains the gateway server,
 * https://github.com/plantuml/plantuml[PlantUML] including https://github.com/RicardoNiepel/C4-PlantUML[C4 model]
 * https://github.com/structurizr/dsl[Structurizr]
 * https://github.com/ivanceras/svgbob[Svgbob]
+* https://github.com/hdl/symbolator[Symbolator]
 * https://github.com/umlet/umlet[UMlet]
 * https://github.com/vega/vega[Vega]
 * https://github.com/vega/vega-lite[Vega-Lite]
@@ -104,6 +105,7 @@ In other words, the following endpoints will be available:
 /plantuml
 /structurizr
 /svgbob
+/symbolator
 /umlet
 /vega
 /vegalite

docs/modules/setup/pages/kroki-cli.adoc

@@ -80,7 +80,7 @@ kroki <command> [options] <arguments>
 |Infer from input file name.
 
 |-t, --type <type>
-|Diagram type: _actdiag_, _blockdiag_, _c4plantuml_, _ditaa_, _dot_, _erd_, _graphviz_, _nomnoml_, _nwdiag_, _plantuml_, _seqdiag_, _svgbob_, _umlet_, _vega_, _vegalite_.
+|Diagram type: _actdiag_, _blockdiag_, _c4plantuml_, _ditaa_, _dot_, _erd_, _graphviz_, _nomnoml_, _nwdiag_, _plantuml_, _seqdiag_, _svgbob_, _symbolator_, _umlet_, _vega_, _vegalite_.
 |String
 |Infer from input file extension.
 

server/README.adoc

@@ -34,4 +34,4 @@ When a new version is available, we need to:
 
 . update the fork
 . run the following workflow: https://github.com/yuzutech/umlet/actions/workflows/release.yml
-. update the argument variable `ARG UMLET_VERSION="x.y.z"` in `server/ops/docker/jdk11-jammy/Dockerfile`
+. update the argument variable `ARG UMLET_VERSION="x.y.z"` in `server/ops/docker/jdk11-jammy/Dockerfile`

server/ops/docker/jdk11-jammy/Dockerfile

@@ -155,6 +155,34 @@ FROM yuzutech/kroki-builder-erd:0.2.1.0 AS kroki-builder-static-erd
 #  --ghc-options="-optc=-static" \
 #  --ghc-options="-w"
 
+## Symbolator
+FROM ubuntu:jammy AS kroki-builder-static-symbolator
+
+# Build from forked source because upstream is broken for the latest python3 versions
+ARG SYMBOLATOR_SOURCE=git+https://github.com/zebreus/[email protected]
+
+RUN apt-get update && apt-get install --no-install-recommends --yes \
+    git \
+    pip \
+    python3-dev \
+    patchelf \
+    python3-gi-cairo \
+    python3-gi \
+    build-essential \
+    libpango1.0-dev && \
+    apt-get clean && apt-get autoremove
+
+WORKDIR /build
+
+# Install latest pip and setuptools
+RUN python3 -m pip install --upgrade pip setuptools
+RUN python3 -m pip install --upgrade nuitka
+# Install symbolator
+RUN python3 -m pip install --upgrade ${SYMBOLATOR_SOURCE}
+
+# Use nuitka to compile a static binary so we dont need python in the final image
+RUN python3 -m nuitka --onefile `which symbolator` --include-module=gi.overrides.Pango --include-module=gi._gi_cairo
+
 ## Pikchr
 FROM ubuntu:jammy AS kroki-builder-static-pikchr
 
@@ -235,6 +263,7 @@ RUN addgroup --gecos 1000 kroki && adduser --disabled-password --ingroup kroki -
 RUN apt-get update && apt-get install --no-install-recommends --yes \
     libgd3 \
     libjpeg9 \
+    libpango1.0-0 \
     giflib-tools \
     fonts-freefont-ttf \
     fonts-noto-cjk \
@@ -272,6 +301,7 @@ COPY --from=kroki-builder-nomnoml /app/app.bin /usr/bin/nomnoml
 COPY --from=kroki-builder-vega /app/app.bin /usr/bin/vega
 COPY --from=kroki-builder-dbml /app/app.bin /usr/bin/dbml
 COPY --from=kroki-builder-wavedrom /app/app.bin /usr/bin/wavedrom
+COPY --from=kroki-builder-static-symbolator /build/symbolator.bin /usr/bin/symbolator
 COPY --from=kroki-builder-bytefield /app/app.bin /usr/bin/bytefield
 COPY --from=kroki-builder-dvisvgm /usr/local/bin/dvisvgm /usr/bin/dvisvgm
 COPY --from=tikz tikz2svg /usr/bin/tikz2svg
@@ -294,6 +324,7 @@ ENV KROKI_UMLET_BIN_PATH=/usr/bin/umlet
 ENV KROKI_PLANTUML_BIN_PATH=/usr/bin/plantuml
 ENV KROKI_TIKZ2SVG_BIN_PATH=/usr/bin/tikz2svg
 ENV KROKI_DITAA_BIN_PATH=/usr/bin/ditaa
+ENV KROKI_SYMBOLATOR_BIN_PATH=/usr/bin/symbolator
 ENV JAVA_OPTS="-Dlogback.configurationFile=/etc/kroki/logback.xml -Dvertx.logger-delegate-factory-class-name=io.vertx.core.logging.SLF4JLogDelegateFactory"
 
 COPY --chown=kroki:kroki target/kroki-server.jar /usr/local/kroki/kroki-server.jar

server/src/main/java/io/kroki/server/Server.java

@@ -26,6 +26,7 @@
 import io.kroki.server.service.ServiceVersion;
 import io.kroki.server.service.Structurizr;
 import io.kroki.server.service.Svgbob;
+import io.kroki.server.service.Symbolator;
 import io.kroki.server.service.Umlet;
 import io.kroki.server.service.Vega;
 import io.kroki.server.service.Wavedrom;
@@ -127,6 +128,7 @@ static void start(Vertx vertx, JsonObject config, Handler<AsyncResult<HttpServer
     registry.register(new Graphviz(vertx, config, commander), "graphviz", "dot");
     registry.register(new Erd(vertx, config, commander), "erd");
     registry.register(new Svgbob(vertx, config, commander), "svgbob");
+    registry.register(new Symbolator(vertx, config), "symbolator");
     registry.register(new Nomnoml(vertx, config, commander), "nomnoml");
     registry.register(new Mermaid(vertx, config), "mermaid");
     registry.register(new Vega(vertx, config, Vega.SpecFormat.DEFAULT, commander), "vega");