Describe a p:message step

build.gradle

@@ -101,7 +101,7 @@ task make_etc() {
 
 ["steps", "step-file", "step-os", "step-paged-media",
  "step-run", "step-text", "step-mail", "step-rdf", "step-validation",
- "step-ixml"
+ "step-ixml", "step-message"
  ].each { spec ->
   Task t = task "copy_${spec}_build"(dependsOn: [ "buildspecs" ], type: Copy) {
     from "$spec/build/"
@@ -706,6 +706,59 @@ task step_ixml_xpl(dependsOn: ["step-ixml:library"], type: Copy) {
   rename ("library.xml", "steps.xpl")
 }
 
+// ======================================================================
+// step-message
+
+task step_message(type: DocBookTask,
+               dependsOn: [ "download_xproc_toc",
+                            "steps", "xproc_schemas", "spec_schemas",
+                            "step-message:specification",
+                            "step_message_assets",
+                            "step_message_src", "step_message_xpl" ]) {
+  inputs.files fileTree(dir: "tools/xsl/")
+  inputs.files fileTree(dir: "tools/xpl/")
+  inputs.file "build/xproc/toc.xml"
+  input("source", "step-message/build/source.xml")
+  output("result", "build/dist/message/index.html")
+
+  param("schemaext.schema", file("build/schema/dbspec.rng"))
+  param("ci", getenv("CIWORKFLOW"))
+  param("ci-commit", getenv("CI_SHA1"))
+  param("ci-build-number", getenv("CI_BUILD_NUM"))
+  param("ci-user", getenv("CI_PROJECT_USERNAME"))
+  param("ci-repo", getenv("CI_PROJECT_REPONAME"))
+  param("ci-branch", getenv("CI_BRANCH"))
+  param("ci-tag", getenv("CI_TAG"))
+
+  option("style", file("tools/xsl/xproc-specs.xsl"))
+  option("diff", '')
+  option("specid", "message")
+  option("diffloc", buildAbsDir + "/message/diff.html")
+
+  pipeline "tools/xpl/formatspec.xpl"
+}
+buildspecs.dependsOn "step_message"
+
+task step_message_assets(type: Copy) {
+  from "src/main/resources"
+  into "build/dist/message/"
+}
+
+task step_message_src(dependsOn: ["step-message:source"], type: Copy) {
+  from "step-message/build/"
+  into "build/dist/message/"
+  include "source.xml"
+  rename ("source.xml", "specification.xml")
+}
+
+task step_message_xpl(dependsOn: ["step-message:library"], type: Copy) {
+  from "step-message/build/"
+  into "build/dist/message/"
+  include "library.xml"
+  rename ("library.xml", "steps.xpl")
+}
+
+
 // ======================================================================
 // Clean up
 

settings.gradle

@@ -1,2 +1,2 @@
 include 'steps', 'step-validation', 'step-os', 'step-paged-media', 'step-run',
-        'step-file', 'step-text', 'step-mail', 'step-ixml'
+        'step-file', 'step-text', 'step-mail', 'step-ixml', 'step-message'

step-message/build.gradle

@@ -0,0 +1,95 @@
+repositories {
+  mavenLocal()
+  mavenCentral()
+}
+
+configurations {
+  tools {
+    description = "Run tools"
+    transitive = true
+  }
+}
+
+dependencies {
+  tools (
+    [group: 'org.relaxng', name: 'jing', version: '20181204'],
+    [group: 'org.relaxng', name: 'trang', version: '20181204']
+  )
+}
+
+defaultTasks 'specification'
+
+apply plugin: 'com.xmlcalabash.task'
+
+import com.xmlcalabash.XMLCalabashTask
+import com.nwalsh.tasks.StripAmblesTask
+
+task xinclude(dependsOn: [":spec_schemas"], type: XMLCalabashTask) {
+  inputs.files fileTree(dir: "src/main/xml/")
+  outputs.file "build/xinclude.xml"
+  input("source", "src/main/xml/specification.xml")
+  output("result", "build/xinclude.xml")
+  pipeline "../tools/xpl/validate.xpl"
+}
+xinclude.doFirst {
+  mkdir("build")
+}
+
+task source(dependsOn: ["glossary"], type: XMLCalabashTask) {
+  inputs.file "../tools/xsl/masterbib.xsl"
+  inputs.file "../src/main/xml/bibliography.xml"
+  inputs.file "src/main/xml/specification.xml"
+  inputs.file "build/glossary.xml"
+  outputs.file "build/source.xml"
+  input("source", "src/main/xml/specification.xml")
+  output("result", "build/source.xml")
+  pipeline "../tools/xpl/validate.xpl"
+}
+
+task glossary(dependsOn: ["xinclude"], type: XMLCalabashTask) {
+  inputs.file "build/xinclude.xml"
+  inputs.file "../tools/xpl/makeglossary.xpl"
+  inputs.file "../tools/xsl/makeglossary.xsl"
+  outputs.file "build/glossary.xml"
+  input("source", "build/xinclude.xml")
+  output("result", "build/glossary.xml")
+  pipeline "../tools/xpl/makeglossary.xpl"
+}
+
+task library(dependsOn: ["source"], type: XMLCalabashTask) {
+  inputs.file "build/source.xml"
+  inputs.file "../tools/xpl/typed-pipeline-library.xpl"
+  inputs.file "../tools/xsl/typed-pipeline-library.xsl"
+  outputs.file "build/library.xml"
+  input("source", "build/source.xml")
+  output("result", "build/library.xml")
+  pipeline "../tools/xpl/typed-pipeline-library.xpl"
+}
+
+task rnc(dependsOn: ["library"], type: XMLCalabashTask) {
+  inputs.file "build/library.xml"
+  inputs.file "../tools/xpl/library-to-rnc.xpl"
+  inputs.file "../tools/xsl/library-to-rnc.xsl"
+  outputs.file "build/steps.rnc"
+  input("source", "build/library.xml")
+  output("result", "build/steps.rnc")
+  pipeline "../tools/xpl/library-to-rnc.xpl"
+}
+
+task rng(dependsOn: ["rnc"], type: JavaExec) {
+  inputs.file "build/steps.rnc"
+  outputs.file "build/steps.rng"
+  classpath = configurations.tools
+  mainClass = 'com.thaiopensource.relaxng.translate.Driver'
+  args = ["build/steps.rnc", "build/steps.rng"]
+}
+
+task specification(dependsOn: [ "source", "library", "rng" ]) {
+  // nop
+}
+
+task clean() {
+  doFirst {
+    delete("build")
+  }
+}

step-message/build/glossary.xml

@@ -0,0 +1,9 @@
+<appendix xmlns:db="http://docbook.org/ns/docbook" xmlns="http://docbook.org/ns/docbook" xml:id="glossary"><title>Glossary</title><glosslist><glossentry><glossterm>implementation-defined</glossterm><glossdef><para>An
+<firstterm>implementation-defined</firstterm> feature is one where the
+implementation has discretion in how it is performed.
+Conformant implementations <rfc2119>must</rfc2119> document
+how <glossterm role="unwrapped">implementation-defined</glossterm> features are performed.</para></glossdef></glossentry><glossentry><glossterm>implementation-dependent</glossterm><glossdef><para>An
+<firstterm>implementation-dependent</firstterm> feature is one where the
+implementation has discretion in how it is performed.
+Implementations are not required to document or explain
+how <glossterm role="unwrapped">implementation-dependent</glossterm> features are performed.</para></glossdef></glossentry></glosslist></appendix>

step-message/build/library.xml

@@ -0,0 +1,10 @@
+<p:library xmlns:p="http://www.w3.org/ns/xproc"
+           xmlns:e="http://www.w3.org/1999/XSL/Spec/ElementSyntax"
+           version="3.1">
+   <p:declare-step type="p:message" xml:id="message">
+      <p:input port="source" sequence="true"/>
+      <p:output port="result" sequence="true"/>
+      <p:option name="test" as="xs:boolean" select="true()"/>
+      <p:option name="select" as="xs:string"/>
+   </p:declare-step>
+</p:library>