Examples with StructureDefinitionDifferentialComponent org.hl7.fhir.r4.model.StructureDefinition.StructureDefinitionDifferentialComponent used on opensource projects

Example 1 with StructureDefinitionDifferentialComponent

use of org.hl7.fhir.r4.model.StructureDefinition.StructureDefinitionDifferentialComponent in project kindling by HL7.

the class ProfileGenerator method convertElements.

public void convertElements(ElementDefn src, StructureDefinition ed, String path) throws Exception {
    ElementDefinition dst = new ElementDefinition();
    if (!ed.hasDifferential())
        ed.setDifferential(new StructureDefinitionDifferentialComponent());
    ed.getDifferential().getElement().add(dst);
    String thisPath = path == null ? "Extension" : path;
    dst.setId(thisPath);
    dst.setPath(thisPath);
    if (!Utilities.noString(src.getProfileName()))
        dst.setSliceName(src.getProfileName());
    dst.setShort(src.getShortDefn());
    dst.setDefinition(preProcessMarkdown(src.getDefinition(), "Element Definition"));
    dst.setComment(preProcessMarkdown(src.getComments(), "Element Comments"));
    if (src.getMaxCardinality() != null) {
        if (src.getMaxCardinality() == Integer.MAX_VALUE)
            dst.setMax("*");
        else
            dst.setMax(src.getMaxCardinality().toString());
    }
    if (src.getMinCardinality() != null)
        dst.setMin(src.getMinCardinality());
    if (src.getFixed() != null)
        dst.setFixed(src.getFixed());
    if (src.hasMustSupport())
        dst.setMustSupport(src.isMustSupport());
    if (src.hasModifier())
        dst.setIsModifier(src.isModifier());
    if (dst.getIsModifier())
        dst.setIsModifierReason(src.getModifierReason());
    if (src.hasSummaryItem() && dst.getPath().contains("."))
        dst.setIsSummaryElement(Factory.newBoolean(src.isSummary()));
    for (Invariant id : src.getStatedInvariants()) dst.addCondition(id.getId());
    // dDst.
    for (TypeRef t : src.getTypes()) {
        if (t.hasParams()) {
            for (String tp : t.getParams()) {
                if (definitions.hasLogicalModel(tp)) {
                    for (String tpn : definitions.getLogicalModel(tp).getImplementations()) {
                        ElementDefinition.TypeRefComponent type = dst.getType(t.getName());
                        String pr = "http://hl7.org/fhir/StructureDefinition/" + tpn;
                        type.addTargetProfile(pr);
                    }
                } else {
                    ElementDefinition.TypeRefComponent type = dst.getType(t.getName());
                    String pr = t.hasProfile() ? t.getProfile() : // this should only happen if t.getParams().size() == 1
                    "http://hl7.org/fhir/StructureDefinition/" + (tp.equals("Any") ? "Resource" : tp);
                    if (type.getWorkingCode().equals("Reference") || type.getWorkingCode().equals("canonical") || type.getWorkingCode().equals("CodeableReference"))
                        type.addTargetProfile(pr);
                    else
                        type.addProfile(pr);
                }
            }
        } else if (t.isWildcardType()) {
            for (String n : TypesUtilities.wildcardTypes(version.toString())) dst.getType(n);
        } else {
            if (definitions != null && definitions.getConstraints().containsKey(t.getName())) {
                ProfiledType ct = definitions.getConstraints().get(t.getName());
                ElementDefinition.TypeRefComponent type = dst.getType(ct.getBaseType());
                type.addProfile("http://hl7.org/fhir/StructureDefinition/" + ct.getName());
            } else if ("Extension.url".equals(path)) {
            // juat don't populate it
            // ElementDefinition.TypeRefComponent tt = dst.addType();
            // tt.setCodeElement(new UriType());
            // tt.getFormatCommentsPre().add("Note: special primitive values do not have an assigned type. e.g. this is compiler magic. XML, JSON and RDF types provided by extension");
            // ToolingExtensions.addStringExtension(tt.getCodeElement(), ToolingExtensions.EXT_JSON_TYPE, "string");
            // ToolingExtensions.addStringExtension(tt.getCodeElement(), ToolingExtensions.EXT_XML_TYPE, "xs:anyURI");
            // ToolingExtensions.addStringExtension(tt.getCodeElement(), ToolingExtensions.EXT_RDF_TYPE, "xs:anyURI");
            } else {
                ElementDefinition.TypeRefComponent type = dst.getType(t.getName());
                if (t.hasProfile())
                    if (type.getWorkingCode().equals("Reference") || type.getWorkingCode().equals("CodeableReference"))
                        type.addTargetProfile(t.getProfile());
                    else
                        type.addProfile(t.getProfile());
            }
        }
    }
    if (definitions != null) {
        // igtodo - catch this
        for (String mu : definitions.getMapTypes().keySet()) {
            if (src.hasMapping(mu)) {
                addMapping(ed, dst, mu, src.getMapping(mu), null);
            }
        }
    }
    for (String in : src.getInvariants().keySet()) {
        ElementDefinitionConstraintComponent con = new ElementDefinitionConstraintComponent();
        Invariant inv = src.getInvariants().get(in);
        con.setKey(inv.getId());
        if (!con.hasKey()) {
            extensionCounter++;
            con.setKey("exd-" + Integer.toString(extensionCounter));
        }
        con.setRequirements(inv.getRequirements());
        if (Utilities.noString(inv.getSeverity()))
            con.setSeverity(ConstraintSeverity.ERROR);
        else
            con.setSeverity(ConstraintSeverity.fromCode(inv.getSeverity()));
        con.setHuman(inv.getEnglish());
        con.setXpath(inv.getXpath());
        if (!"n/a".equals(inv.getExpression()))
            con.setExpression(inv.getExpression());
        dst.getConstraint().add(con);
    }
    if (src.hasBinding())
        dst.setBinding(generateBinding(src.getBinding()));
    if (src.getElements().isEmpty()) {
        if (path == null)
            throw new Exception("?error parsing extension");
    } else {
        ElementDefn url = src.getElements().get(0);
        if (!url.getName().equals("url"))
            throw new Exception("first child of extension should be 'url', not " + url.getName() + " for structure definition " + ed.getUrl());
        convertElements(url, ed, thisPath + ".url");
        // this pair might leave elements out of order, but we're going to sort them later
        if (!hasValue(src)) {
            ElementDefn value = new ElementDefn();
            value.setName("value[x]");
            value.setMinCardinality(0);
            value.setMaxCardinality(0);
            convertElements(value, ed, thisPath + ".value[x]");
        } else {
            ElementDefn ext = new ElementDefn();
            // can't have an extension if you have a value
            ext.setName("extension");
            ext.setMaxCardinality(0);
            convertElements(ext, ed, thisPath + ".extension");
        }
        if (src.getElements().size() == 2 && src.getElements().get(0).getName().equals("url") && src.getElements().get(1).getName().equals("value[x]")) {
            ElementDefn value = src.getElements().get(1);
            value.setMinCardinality(1);
            convertElements(value, ed, thisPath + ".value[x]");
        } else {
            for (ElementDefn child : src.getElements()) {
                if (child != url) {
                    if (child.getName().startsWith("value") && !child.getName().startsWith("valueSet"))
                        convertElements(child, ed, thisPath + "." + child.getName());
                    else {
                        if (child.getElements().size() == 0 || !child.getElements().get(0).getName().equals("url")) {
                            ElementDefn childUrl = new ElementDefn();
                            childUrl.setName("url");
                            childUrl.setXmlAttribute(true);
                            childUrl.getTypes().add(new TypeRef("uri"));
                            childUrl.setFixed(new UriType(child.getName()));
                            child.getElements().add(0, childUrl);
                        }
                        if (!hasValue(child)) {
                            ElementDefn value = new ElementDefn();
                            value.setName("value[x]");
                            value.setMinCardinality(0);
                            value.setMaxCardinality(0);
                            child.getElements().add(value);
                        }
                        convertElements(child, ed, thisPath + ".extension");
                    }
                }
            }
        }
    }
}

Example 2 with StructureDefinitionDifferentialComponent

use of org.hl7.fhir.r4.model.StructureDefinition.StructureDefinitionDifferentialComponent in project kindling by HL7.

the class ProfileGenerator method generate.

public StructureDefinition generate(TypeDefn t) throws Exception {
    genUml(t);
    StructureDefinition p = new StructureDefinition();
    p.setId(t.getName());
    p.setUrl("http://hl7.org/fhir/StructureDefinition/" + t.getName());
    p.setKind(StructureDefinitionKind.COMPLEXTYPE);
    p.setAbstract(t.isAbstractType());
    p.setUserData("filename", t.getName().toLowerCase());
    p.setUserData("path", definitions.getSrcFile(t.getName()) + ".html#" + t.getName());
    assert !Utilities.noString(t.typeCode());
    String b = (t.typeCode().equals("Type") ? "Element" : t.typeCode().equals("Structure") ? "BackboneElement" : t.typeCode());
    if (!Utilities.noString(b)) {
        p.setBaseDefinition("http://hl7.org/fhir/StructureDefinition/" + b);
        p.setDerivation(TypeDerivationRule.SPECIALIZATION);
    }
    p.setType(t.getName());
    p.setFhirVersion(version);
    p.setVersion(version.toCode());
    ToolingExtensions.setStandardsStatus(p, t.getStandardsStatus(), t.getNormativeVersion());
    ToolResourceUtilities.updateUsage(p, "core");
    p.setName(t.getName());
    p.setPublisher("HL7 FHIR Standard");
    p.addContact().getTelecom().add(Factory.newContactPoint(ContactPointSystem.URL, "http://hl7.org/fhir"));
    p.setDescription("Base StructureDefinition for " + t.getName() + " Type: " + t.getDefinition());
    p.setPurpose(t.getRequirements());
    p.setDate(genDate.getTime());
    p.setStatus(t.getStandardsStatus() == StandardsStatus.NORMATIVE ? PublicationStatus.fromCode("active") : PublicationStatus.fromCode("draft"));
    Set<String> containedSlices = new HashSet<String>();
    // first, the differential
    p.setDifferential(new StructureDefinitionDifferentialComponent());
    defineElement(null, p, p.getDifferential().getElement(), t, t.getName(), containedSlices, new ArrayList<ProfileGenerator.SliceHandle>(), SnapShotMode.None, true, "Element", b, false);
    p.getDifferential().getElement().get(0).setIsSummaryElement(null);
    reset();
    // now. the snapshot
    p.setSnapshot(new StructureDefinitionSnapshotComponent());
    defineElement(null, p, p.getSnapshot().getElement(), t, t.getName(), containedSlices, new ArrayList<ProfileGenerator.SliceHandle>(), SnapShotMode.DataType, true, "Element", b, true);
    for (ElementDefinition ed : p.getSnapshot().getElement()) if (ed.getBase().getPath().equals(ed.getPath()) && ed.getPath().contains("."))
        generateElementDefinition(p, ed, getParent(ed, p.getSnapshot().getElement()));
    containedSlices.clear();
    addElementConstraintToSnapshot(p);
    p.getDifferential().getElement().get(0).getType().clear();
    p.getSnapshot().getElement().get(0).getType().clear();
    p.getSnapshot().getElement().get(0).setIsSummaryElement(null);
    XhtmlNode div = new XhtmlNode(NodeType.Element, "div");
    div.addText("to do");
    p.setText(new Narrative());
    p.getText().setStatus(NarrativeStatus.GENERATED);
    p.getText().setDiv(div);
    checkHasTypes(p);
    return p;
}

Example 3 with StructureDefinitionDifferentialComponent

use of org.hl7.fhir.r4.model.StructureDefinition.StructureDefinitionDifferentialComponent in project kindling by HL7.

the class ProfileGenerator method generate.

public StructureDefinition generate(DefinedStringPattern type) throws Exception {
    genUml(type);
    StructureDefinition p = new StructureDefinition();
    p.setId(type.getCode());
    p.setUrl("http://hl7.org/fhir/StructureDefinition/" + type.getCode());
    p.setBaseDefinition("http://hl7.org/fhir/StructureDefinition/" + type.getBase());
    p.setType(type.getCode());
    p.setDerivation(TypeDerivationRule.SPECIALIZATION);
    p.setKind(StructureDefinitionKind.PRIMITIVETYPE);
    p.setAbstract(false);
    p.setUserData("filename", type.getCode().toLowerCase());
    p.setUserData("path", "datatypes.html#" + type.getCode());
    p.setFhirVersion(version);
    p.setVersion(version.toCode());
    ToolingExtensions.setStandardsStatus(p, StandardsStatus.NORMATIVE, "4.0.0");
    ToolResourceUtilities.updateUsage(p, "core");
    p.setName(type.getCode());
    p.setPublisher("HL7 FHIR Standard");
    p.addContact().getTelecom().add(Factory.newContactPoint(ContactPointSystem.URL, "http://hl7.org/fhir"));
    p.setDescription("Base StructureDefinition for " + type.getCode() + " type: " + type.getDefinition());
    p.setDate(genDate.getTime());
    p.setStatus(PublicationStatus.fromCode("active"));
    Set<String> containedSlices = new HashSet<String>();
    // first, the differential
    p.setDifferential(new StructureDefinitionDifferentialComponent());
    ElementDefinition ec1 = new ElementDefinition();
    p.getDifferential().getElement().add(ec1);
    ec1.setId(type.getCode());
    ec1.setPath(type.getCode());
    ec1.setShort("Primitive Type " + type.getCode());
    ec1.setDefinition(type.getDefinition());
    ec1.setComment(type.getComment());
    ec1.setMin(0);
    ec1.setMax("*");
    ElementDefinition ec2 = new ElementDefinition();
    p.getDifferential().getElement().add(ec2);
    ec2.setId(type.getCode() + ".value");
    ec2.setPath(type.getCode() + ".value");
    ec2.addRepresentation(PropertyRepresentation.XMLATTR);
    ec2.setShort("Primitive value for " + type.getCode());
    ec2.setDefinition("Primitive value for " + type.getCode());
    ec2.setMin(0);
    ec2.setMax("1");
    TypeRefComponent t = ec2.addType();
    t.setCodeElement(new UriType());
    t.getFormatCommentsPre().add("Note: special primitive values have a FHIRPath system type. e.g. this is compiler magic (g)");
    t.setCode(Constants.NS_SYSTEM_TYPE + type.getFHIRPathType());
    ToolingExtensions.addUriExtension(t, ToolingExtensions.EXT_FHIR_TYPE, type.getCode());
    if (!Utilities.noString(type.getRegex())) {
        ToolingExtensions.addStringExtension(t, ToolingExtensions.EXT_REGEX, type.getRegex());
    }
    reset();
    // now. the snapshot
    p.setSnapshot(new StructureDefinitionSnapshotComponent());
    ElementDefinition ecA = new ElementDefinition(true, ElementDefinition.NOT_MODIFIER, ElementDefinition.NOT_IN_SUMMARY);
    p.getSnapshot().getElement().add(ecA);
    ecA.setId(type.getCode());
    ecA.setPath(type.getCode());
    ecA.setShort("Primitive Type " + type.getCode());
    ecA.setDefinition(type.getDefinition());
    ecA.setComment(type.getComment());
    ecA.setMin(0);
    ecA.setMax("*");
    ecA.makeBase(type.getCode(), 0, "*");
    addElementConstraints("Element", ecA);
    ElementDefinition ecid = new ElementDefinition(true, ElementDefinition.NOT_MODIFIER, ElementDefinition.NOT_IN_SUMMARY);
    p.getSnapshot().getElement().add(ecid);
    ecid.setId(type.getCode() + ".id");
    ecid.setPath(type.getCode() + ".id");
    ecid.addRepresentation(PropertyRepresentation.XMLATTR);
    ecid.setDefinition("unique id for the element within a resource (for internal references)");
    ecid.setMin(0);
    ecid.setMax("1");
    ecid.setShort("xml:id (or equivalent in JSON)");
    TypeRefComponent tr = ecid.addType();
    tr.getFormatCommentsPre().add("Note: special primitive values have a FHIRPath system type. e.g. this is compiler magic (h)");
    tr.setCode(Constants.NS_SYSTEM_TYPE + "String");
    ToolingExtensions.addUriExtension(tr, ToolingExtensions.EXT_FHIR_TYPE, "string");
    ecid.makeBase("Element.id", 0, "1");
    makeExtensionSlice("extension", p, p.getSnapshot(), null, type.getCode());
    ElementDefinition ecB = new ElementDefinition(true, ElementDefinition.NOT_MODIFIER, ElementDefinition.NOT_IN_SUMMARY);
    p.getSnapshot().getElement().add(ecB);
    ecB.setPath(type.getCode() + ".value");
    ecB.setId(type.getCode() + ".value");
    ecB.addRepresentation(PropertyRepresentation.XMLATTR);
    ecB.setDefinition("Primitive value for " + type.getCode());
    ecB.setShort("Primitive value for " + type.getCode());
    ecB.setMin(0);
    ecB.setMax("1");
    ecB.makeBase(type.getBase() + ".value", 0, "1");
    t = ecB.addType();
    t.getFormatCommentsPre().add("Note: special primitive values have a FHIRPath system type. e.g. this is compiler magic (i)");
    t.setCode(Constants.NS_SYSTEM_TYPE + "String");
    ToolingExtensions.addUriExtension(t, ToolingExtensions.EXT_FHIR_TYPE, "string");
    if (!Utilities.noString(type.getRegex()))
        ToolingExtensions.addStringExtension(t, ToolingExtensions.EXT_REGEX, type.getRegex());
    // generateElementDefinition(ecB, ecA);
    containedSlices.clear();
    addElementConstraintToSnapshot(p);
    XhtmlNode div = new XhtmlNode(NodeType.Element, "div");
    div.addText("to do");
    p.setText(new Narrative());
    p.getText().setStatus(NarrativeStatus.GENERATED);
    p.getText().setDiv(div);
    checkHasTypes(p);
    return p;
}

Example 4 with StructureDefinitionDifferentialComponent

use of org.hl7.fhir.r4.model.StructureDefinition.StructureDefinitionDifferentialComponent in project kindling by HL7.

the class ProfileGenerator method generate.

public StructureDefinition generate(ProfiledType pt, List<ValidationMessage> issues) throws Exception {
    StructureDefinition p = new StructureDefinition();
    p.setId(pt.getName());
    p.setUrl("http://hl7.org/fhir/StructureDefinition/" + pt.getName());
    p.setBaseDefinition("http://hl7.org/fhir/StructureDefinition/" + pt.getBaseType());
    p.setKind(StructureDefinitionKind.COMPLEXTYPE);
    p.setType(pt.getBaseType());
    p.setDerivation(TypeDerivationRule.CONSTRAINT);
    p.setAbstract(false);
    p.setUserData("filename", pt.getName().toLowerCase());
    p.setUserData("path", "datatypes.html#" + pt.getName());
    p.setFhirVersion(version);
    p.setVersion(version.toCode());
    ToolingExtensions.setStandardsStatus(p, StandardsStatus.NORMATIVE, "4.0.0");
    p.setStatus(PublicationStatus.fromCode("active"));
    ToolResourceUtilities.updateUsage(p, "core");
    p.setName(pt.getName());
    p.setPublisher("HL7 FHIR Standard");
    p.addContact().getTelecom().add(Factory.newContactPoint(ContactPointSystem.URL, "http://hl7.org/fhir"));
    p.setDescription("Base StructureDefinition for Type " + pt.getName() + ": " + pt.getDefinition());
    p.setDescription(pt.getDefinition());
    p.setDate(genDate.getTime());
    // first, the differential
    p.setName(pt.getName());
    ElementDefinition e = new ElementDefinition();
    String idroot = e.getId();
    e.setPath(pt.getBaseType());
    // e.setSliceName(pt.getName());
    e.setShort(pt.getDefinition());
    e.setDefinition(preProcessMarkdown(pt.getDescription(), "??"));
    e.setMin(0);
    e.setMax("*");
    e.setIsModifier(false);
    String s = definitions.getTLAs().get(pt.getName().toLowerCase());
    if (s == null)
        throw new Exception("There is no TLA for '" + pt.getName() + "' in fhir.ini");
    ElementDefinitionConstraintComponent inv = new ElementDefinitionConstraintComponent();
    inv.setKey(s + "-1");
    inv.setRequirements(pt.getInvariant().getRequirements());
    inv.setSeverity(ConstraintSeverity.ERROR);
    inv.setHuman(pt.getInvariant().getEnglish());
    if (!"n/a".equals(pt.getInvariant().getExpression())) {
        fpUsages.add(new FHIRPathUsage(pt.getName(), pt.getName(), pt.getName(), null, pt.getInvariant().getExpression()));
        inv.setExpression(pt.getInvariant().getExpression());
    }
    inv.setXpath(pt.getInvariant().getXpath());
    e.getConstraint().add(inv);
    p.setDifferential(new StructureDefinitionDifferentialComponent());
    p.getDifferential().getElement().add(e);
    StructureDefinition base = getTypeSnapshot(pt.getBaseType());
    if (!pt.getRules().isEmpty()) {
        // throw new Exception("todo");
        for (String rule : pt.getRules().keySet()) {
            String[] parts = rule.split("\\.");
            String value = pt.getRules().get(rule);
            ElementDefinition er = findElement(p.getDifferential(), pt.getBaseType() + '.' + parts[0]);
            if (er == null) {
                er = new ElementDefinition();
                er.setId(pt.getBaseType() + ':' + p.getId() + '.' + parts[0]);
                er.setPath(pt.getBaseType() + '.' + parts[0]);
                p.getDifferential().getElement().add(er);
            }
            if (parts[1].equals("min"))
                er.setMin(Integer.parseInt(value));
            else if (parts[1].equals("max"))
                er.setMax(value);
            else if (parts[1].equals("defn"))
                er.setDefinition(preProcessMarkdown(value, "er"));
        }
        List<String> errors = new ArrayList<String>();
        new ProfileUtilities(context, null, pkp).sortDifferential(base, p, p.getName(), errors, true);
        for (String se : errors) issues.add(new ValidationMessage(Source.ProfileValidator, IssueType.STRUCTURE, -1, -1, p.getUrl(), se, IssueSeverity.WARNING));
    }
    reset();
    // now, the snapshot
    new ProfileUtilities(context, issues, pkp).generateSnapshot(base, p, "http://hl7.org/fhir/StructureDefinition/" + pt.getBaseType(), "http://hl7.org/fhir", p.getName());
    // for (ElementDefinition ed : p.getSnapshot().getElement())
    // generateElementDefinition(ed, getParent(ed, p.getSnapshot().getElement()));
    p.getDifferential().getElement().get(0).getType().clear();
    p.getSnapshot().getElement().get(0).getType().clear();
    XhtmlNode div = new XhtmlNode(NodeType.Element, "div");
    div.addTag("h2").addText("Data type " + pt.getName());
    div.addTag("p").addText(pt.getDefinition());
    div.addTag("h3").addText("Rule");
    div.addTag("p").addText(pt.getInvariant().getEnglish());
    div.addTag("p").addText("XPath:");
    div.addTag("blockquote").addTag("pre").addText(pt.getInvariant().getXpath());
    p.setText(new Narrative());
    p.getText().setStatus(NarrativeStatus.GENERATED);
    p.getText().setDiv(div);
    addElementConstraintToSnapshot(p);
    new ProfileUtilities(context, issues, pkp).setIds(p, false);
    checkHasTypes(p);
    return p;
}

Example 5 with StructureDefinitionDifferentialComponent

use of org.hl7.fhir.r4.model.StructureDefinition.StructureDefinitionDifferentialComponent in project kindling by HL7.

the class ProfileGenerator method generateXhtml.

public StructureDefinition generateXhtml() throws Exception {
    uml.getTypes().put("html:div", new UMLPrimitive("html:div"));
    StructureDefinition p = new StructureDefinition();
    p.setId("xhtml");
    p.setUrl("http://hl7.org/fhir/StructureDefinition/xhtml");
    p.setKind(StructureDefinitionKind.PRIMITIVETYPE);
    p.setAbstract(false);
    p.setUserData("filename", "xhtml");
    p.setUserData("path", "narrative.html#xhtml");
    p.setBaseDefinition("http://hl7.org/fhir/StructureDefinition/Element");
    p.setType("xhtml");
    p.setDerivation(TypeDerivationRule.SPECIALIZATION);
    p.setFhirVersion(version);
    p.setVersion(version.toCode());
    ToolingExtensions.setStandardsStatus(p, StandardsStatus.NORMATIVE, "4.0.0");
    ToolResourceUtilities.updateUsage(p, "core");
    p.setName("xhtml");
    p.setPublisher("HL7 FHIR Standard");
    p.addContact().getTelecom().add(Factory.newContactPoint(ContactPointSystem.URL, "http://hl7.org/fhir"));
    p.setDescription("Base StructureDefinition for xhtml Type");
    p.setDate(genDate.getTime());
    p.setStatus(PublicationStatus.fromCode("active"));
    Set<String> containedSlices = new HashSet<String>();
    // first, the differential
    p.setDifferential(new StructureDefinitionDifferentialComponent());
    ElementDefinition ec = new ElementDefinition();
    p.getDifferential().getElement().add(ec);
    ec.setId("xhtml");
    ec.setPath("xhtml");
    ec.setShort("Primitive Type " + "xhtml");
    ec.setDefinition("XHTML");
    ec.setMin(0);
    ec.setMax("*");
    ec = new ElementDefinition();
    p.getDifferential().getElement().add(ec);
    ec.setId("xhtml" + ".extension");
    ec.setPath("xhtml" + ".extension");
    ec.setMax("0");
    ec = new ElementDefinition();
    p.getDifferential().getElement().add(ec);
    ec.setId("xhtml" + ".value");
    ec.setPath("xhtml" + ".value");
    ec.addRepresentation(PropertyRepresentation.XHTML);
    ec.setShort("Actual xhtml");
    ec.setDefinition("Actual xhtml");
    ec.setMin(1);
    ec.setMax("1");
    TypeRefComponent t = ec.addType();
    t.setCodeElement(new UriType());
    t.getFormatCommentsPre().add("Note: special primitive values have a FHIRPath system type. e.g. this is compiler magic (d)");
    t.setCode(Constants.NS_SYSTEM_TYPE + "String");
    ToolingExtensions.addUriExtension(t, ToolingExtensions.EXT_FHIR_TYPE, "string");
    reset();
    // now. the snapshot
    p.setSnapshot(new StructureDefinitionSnapshotComponent());
    ElementDefinition ec1 = new ElementDefinition(true, ElementDefinition.NOT_MODIFIER, ElementDefinition.NOT_IN_SUMMARY);
    p.getSnapshot().getElement().add(ec1);
    ec1.setId("xhtml");
    ec1.setPath("xhtml");
    ec1.setShort("Primitive Type " + "xhtml");
    ec1.setDefinition("XHTML");
    ec1.setMin(0);
    ec1.setMin(0);
    ec1.setMax("*");
    ec1.makeBase();
    generateElementDefinition(p, ec1, null);
    ElementDefinition ec2 = new ElementDefinition(true, ElementDefinition.NOT_MODIFIER, ElementDefinition.NOT_IN_SUMMARY);
    p.getSnapshot().getElement().add(ec2);
    ec2.setId("xhtml.id");
    ec2.setPath("xhtml.id");
    ec2.addRepresentation(PropertyRepresentation.XMLATTR);
    ec2.setDefinition("unique id for the element within a resource (for internal references)");
    ec2.setMin(0);
    ec2.setMax("1");
    ec2.setShort("xml:id (or equivalent in JSON)");
    TypeRefComponent tr = ec2.addType();
    t.getFormatCommentsPre().add("Note: special primitive values have a FHIRPath system type. e.g. this is compiler magic (e)");
    tr.setCode(Constants.NS_SYSTEM_TYPE + "String");
    ToolingExtensions.addUriExtension(t, ToolingExtensions.EXT_FHIR_TYPE, "string");
    generateElementDefinition(p, ec2, ec1);
    ec2.makeBase("Element.id", 0, "1");
    ElementDefinition ex = makeExtensionSlice("extension", p, p.getSnapshot(), null, "xhtml");
    ex.setMax("0");
    ElementDefinition ec3 = new ElementDefinition(true, ElementDefinition.NOT_MODIFIER, ElementDefinition.NOT_IN_SUMMARY);
    p.getSnapshot().getElement().add(ec3);
    ec3.setId("xhtml.value");
    ec3.setPath("xhtml.value");
    ec3.addRepresentation(PropertyRepresentation.XHTML);
    ec3.setShort("Actual xhtml");
    ec3.setDefinition("Actual xhtml");
    ec3.setMin(1);
    ec3.setMax("1");
    t = ec3.addType();
    t.setCodeElement(new UriType());
    t.getFormatCommentsPre().add("Note: special primitive values have a FHIRPath system type. e.g. this is compiler magic (f)");
    t.setCode(Constants.NS_SYSTEM_TYPE + "String");
    ToolingExtensions.addUriExtension(t, ToolingExtensions.EXT_FHIR_TYPE, "string");
    ec3.makeBase();
    generateElementDefinition(p, ec3, ec);
    containedSlices.clear();
    addElementConstraintToSnapshot(p);
    XhtmlNode div = new XhtmlNode(NodeType.Element, "div");
    div.addText("to do");
    p.setText(new Narrative());
    p.getText().setStatus(NarrativeStatus.GENERATED);
    p.getText().setDiv(div);
    checkHasTypes(p);
    return p;
}