Examples with StructureMapGroupComponent org.hl7.fhir.r4.model.StructureMap.StructureMapGroupComponent used on opensource projects

Example 21 with StructureMapGroupComponent

use of org.hl7.fhir.r4.model.StructureMap.StructureMapGroupComponent in project org.hl7.fhir.core by hapifhir.

the class StructureMapUtilities method parseGroup.

private void parseGroup(StructureMap result, FHIRLexer lexer) throws FHIRException {
    lexer.token("group");
    StructureMapGroupComponent group = result.addGroup();
    boolean newFmt = false;
    if (lexer.hasToken("for")) {
        lexer.token("for");
        if ("type".equals(lexer.getCurrent())) {
            lexer.token("type");
            lexer.token("+");
            lexer.token("types");
            group.setTypeMode(StructureMapGroupTypeMode.TYPEANDTYPES);
        } else {
            lexer.token("types");
            group.setTypeMode(StructureMapGroupTypeMode.TYPES);
        }
    } else
        group.setTypeMode(StructureMapGroupTypeMode.NONE);
    group.setName(lexer.take());
    if (lexer.hasToken("(")) {
        newFmt = true;
        lexer.take();
        while (!lexer.hasToken(")")) {
            parseInput(group, lexer, true);
            if (lexer.hasToken(","))
                lexer.token(",");
        }
        lexer.take();
    }
    if (lexer.hasToken("extends")) {
        lexer.next();
        group.setExtends(lexer.take());
    }
    if (newFmt) {
        group.setTypeMode(StructureMapGroupTypeMode.NONE);
        if (lexer.hasToken("<")) {
            lexer.token("<");
            lexer.token("<");
            if (lexer.hasToken("types")) {
                group.setTypeMode(StructureMapGroupTypeMode.TYPES);
                lexer.token("types");
            } else {
                lexer.token("type");
                lexer.token("+");
                group.setTypeMode(StructureMapGroupTypeMode.TYPEANDTYPES);
            }
            lexer.token(">");
            lexer.token(">");
        }
        lexer.token("{");
    }
    lexer.skipComments();
    if (newFmt) {
        while (!lexer.hasToken("}")) {
            if (lexer.done())
                throw lexer.error("premature termination expecting 'endgroup'");
            parseRule(result, group.getRule(), lexer, true);
        }
    } else {
        while (lexer.hasToken("input")) parseInput(group, lexer, false);
        while (!lexer.hasToken("endgroup")) {
            if (lexer.done())
                throw lexer.error("premature termination expecting 'endgroup'");
            parseRule(result, group.getRule(), lexer, false);
        }
    }
    lexer.next();
    if (newFmt && lexer.hasToken(";"))
        lexer.next();
    lexer.skipComments();
}

Example 22 with StructureMapGroupComponent

use of org.hl7.fhir.r4.model.StructureMap.StructureMapGroupComponent in project org.hl7.fhir.core by hapifhir.

the class StructureMapUtilities method resolveGroupByTypes.

private ResolvedGroup resolveGroupByTypes(StructureMap map, String ruleid, StructureMapGroupComponent source, String srcType, String tgtType) throws FHIRException {
    String kn = "types^" + srcType + ":" + tgtType;
    if (source.hasUserData(kn))
        return (ResolvedGroup) source.getUserData(kn);
    ResolvedGroup res = new ResolvedGroup();
    res.targetMap = null;
    res.target = null;
    for (StructureMapGroupComponent grp : map.getGroup()) {
        if (matchesByType(map, grp, srcType, tgtType)) {
            if (res.targetMap == null) {
                res.targetMap = map;
                res.target = grp;
            } else
                throw new FHIRException("Multiple possible matches looking for rule for '" + srcType + "/" + tgtType + "', from rule '" + ruleid + "'");
        }
    }
    if (res.targetMap != null) {
        source.setUserData(kn, res);
        return res;
    }
    for (UriType imp : map.getImport()) {
        List<StructureMap> impMapList = findMatchingMaps(imp.getValue());
        if (impMapList.size() == 0)
            throw new FHIRException("Unable to find map(s) for " + imp.getValue());
        for (StructureMap impMap : impMapList) {
            if (!impMap.getUrl().equals(map.getUrl())) {
                for (StructureMapGroupComponent grp : impMap.getGroup()) {
                    if (matchesByType(impMap, grp, srcType, tgtType)) {
                        if (res.targetMap == null) {
                            res.targetMap = impMap;
                            res.target = grp;
                        } else
                            throw new FHIRException("Multiple possible matches for rule for '" + srcType + "/" + tgtType + "' in " + res.targetMap.getUrl() + " and " + impMap.getUrl() + ", from rule '" + ruleid + "'");
                    }
                }
            }
        }
    }
    if (res.target == null)
        throw new FHIRException("No matches found for rule for '" + srcType + " to " + tgtType + "' from " + map.getUrl() + ", from rule '" + ruleid + "'");
    source.setUserData(kn, res);
    return res;
}

Example 23 with StructureMapGroupComponent

use of org.hl7.fhir.r4.model.StructureMap.StructureMapGroupComponent in project org.hl7.fhir.core by hapifhir.

the class StructureMapUtilities method analyseRule.

private void analyseRule(String indent, TransformContext context, StructureMap map, VariablesForProfiling vars, StructureMapGroupComponent group, StructureMapGroupRuleComponent rule, StructureMapAnalysis result) throws FHIRException {
    log(indent + "Analyse rule : " + rule.getName());
    XhtmlNode tr = result.summary.addTag("tr");
    XhtmlNode xs = tr.addTag("td");
    XhtmlNode xt = tr.addTag("td");
    VariablesForProfiling srcVars = vars.copy();
    if (rule.getSource().size() != 1)
        throw new FHIRException("Rule \"" + rule.getName() + "\": not handled yet");
    VariablesForProfiling source = analyseSource(rule.getName(), context, srcVars, rule.getSourceFirstRep(), xs);
    TargetWriter tw = new TargetWriter();
    for (StructureMapGroupRuleTargetComponent t : rule.getTarget()) {
        analyseTarget(rule.getName(), context, source, map, t, rule.getSourceFirstRep().getVariable(), tw, result.profiles, rule.getName());
    }
    tw.commit(xt);
    for (StructureMapGroupRuleComponent childrule : rule.getRule()) {
        analyseRule(indent + "  ", context, map, source, group, childrule, result);
    }
// for (StructureMapGroupRuleDependentComponent dependent : rule.getDependent()) {
// executeDependency(indent+"  ", context, map, v, group, dependent); // do we need group here?
// }
}

Example 24 with StructureMapGroupComponent

use of org.hl7.fhir.r4.model.StructureMap.StructureMapGroupComponent in project org.hl7.fhir.core by hapifhir.

the class StructureMapUtilities method executeGroup.

private void executeGroup(String indent, TransformContext context, StructureMap map, Variables vars, StructureMapGroupComponent group, boolean atRoot) throws FHIRException {
    log(indent + "Group : " + group.getName() + "; vars = " + vars.summary());
    // todo: check inputs
    if (group.hasExtends()) {
        ResolvedGroup rg = resolveGroupReference(map, group, group.getExtends());
        executeGroup(indent + " ", context, rg.targetMap, vars, rg.target, false);
    }
    for (StructureMapGroupRuleComponent r : group.getRule()) {
        executeRule(indent + "  ", context, map, vars, group, r, atRoot);
    }
}

Example 25 with StructureMapGroupComponent

use of org.hl7.fhir.r4.model.StructureMap.StructureMapGroupComponent in project org.hl7.fhir.core by hapifhir.

the class StructureMapUtilities method runTransform.

private Base runTransform(String ruleId, TransformContext context, StructureMap map, StructureMapGroupComponent group, StructureMapGroupRuleTargetComponent tgt, Variables vars, Base dest, String element, String srcVar, boolean root) throws FHIRException {
    try {
        switch(tgt.getTransform()) {
            case CREATE:
                String tn;
                if (tgt.getParameter().isEmpty()) {
                    // we have to work out the type. First, we see if there is a single type for the target. If there is, we use that
                    String[] types = dest.getTypesForProperty(element.hashCode(), element);
                    if (types.length == 1 && !"*".equals(types[0]) && !types[0].equals("Resource"))
                        tn = types[0];
                    else if (srcVar != null) {
                        tn = determineTypeFromSourceType(map, group, vars.get(VariableMode.INPUT, srcVar), types);
                    } else
                        throw new Error("Cannot determine type implicitly because there is no single input variable");
                } else {
                    tn = getParamStringNoNull(vars, tgt.getParameter().get(0), tgt.toString());
                    // ok, now we resolve the type name against the import statements
                    for (StructureMapStructureComponent uses : map.getStructure()) {
                        if (uses.getMode() == StructureMapModelMode.TARGET && uses.hasAlias() && tn.equals(uses.getAlias())) {
                            tn = uses.getUrl();
                            break;
                        }
                    }
                }
                Base res = services != null ? services.createType(context.getAppInfo(), tn) : ResourceFactory.createResourceOrType(tn);
                if (res.isResource() && !res.fhirType().equals("Parameters")) {
                    // res.setIdBase(tgt.getParameter().size() > 1 ? getParamString(vars, tgt.getParameter().get(0)) : UUID.randomUUID().toString().toLowerCase());
                    if (services != null)
                        res = services.createResource(context.getAppInfo(), res, root);
                }
                if (tgt.hasUserData("profile"))
                    res.setUserData("profile", tgt.getUserData("profile"));
                return res;
            case COPY:
                return getParam(vars, tgt.getParameter().get(0));
            case EVALUATE:
                ExpressionNode expr = (ExpressionNode) tgt.getUserData(MAP_EXPRESSION);
                if (expr == null) {
                    expr = fpe.parse(getParamStringNoNull(vars, tgt.getParameter().get(1), tgt.toString()));
                    tgt.setUserData(MAP_WHERE_EXPRESSION, expr);
                }
                List<Base> v = fpe.evaluate(vars, null, null, tgt.getParameter().size() == 2 ? getParam(vars, tgt.getParameter().get(0)) : new BooleanType(false), expr);
                if (v.size() == 0)
                    return null;
                else if (v.size() != 1)
                    throw new FHIRException("Rule \"" + ruleId + "\": Evaluation of " + expr.toString() + " returned " + Integer.toString(v.size()) + " objects");
                else
                    return v.get(0);
            case TRUNCATE:
                String src = getParamString(vars, tgt.getParameter().get(0));
                String len = getParamStringNoNull(vars, tgt.getParameter().get(1), tgt.toString());
                if (Utilities.isInteger(len)) {
                    int l = Integer.parseInt(len);
                    if (src.length() > l)
                        src = src.substring(0, l);
                }
                return new StringType(src);
            case ESCAPE:
                throw new Error("Rule \"" + ruleId + "\": Transform " + tgt.getTransform().toCode() + " not supported yet");
            case CAST:
                src = getParamString(vars, tgt.getParameter().get(0));
                if (tgt.getParameter().size() == 1)
                    throw new FHIRException("Implicit type parameters on cast not yet supported");
                String t = getParamString(vars, tgt.getParameter().get(1));
                if (t.equals("string"))
                    return new StringType(src);
                else
                    throw new FHIRException("cast to " + t + " not yet supported");
            case APPEND:
                StringBuilder sb = new StringBuilder(getParamString(vars, tgt.getParameter().get(0)));
                for (int i = 1; i < tgt.getParameter().size(); i++) sb.append(getParamString(vars, tgt.getParameter().get(i)));
                return new StringType(sb.toString());
            case TRANSLATE:
                return translate(context, map, vars, tgt.getParameter());
            case REFERENCE:
                Base b = getParam(vars, tgt.getParameter().get(0));
                if (b == null)
                    throw new FHIRException("Rule \"" + ruleId + "\": Unable to find parameter " + ((IdType) tgt.getParameter().get(0).getValue()).asStringValue());
                if (!b.isResource())
                    throw new FHIRException("Rule \"" + ruleId + "\": Transform engine cannot point at an element of type " + b.fhirType());
                else {
                    String id = b.getIdBase();
                    if (id == null) {
                        id = UUID.randomUUID().toString().toLowerCase();
                        b.setIdBase(id);
                    }
                    return new Reference().setReference(b.fhirType() + "/" + id);
                }
            case DATEOP:
                throw new Error("Rule \"" + ruleId + "\": Transform " + tgt.getTransform().toCode() + " not supported yet");
            case UUID:
                return new IdType(UUID.randomUUID().toString());
            case POINTER:
                b = getParam(vars, tgt.getParameter().get(0));
                if (b instanceof Resource)
                    return new UriType("urn:uuid:" + ((Resource) b).getId());
                else
                    throw new FHIRException("Rule \"" + ruleId + "\": Transform engine cannot point at an element of type " + b.fhirType());
            case CC:
                CodeableConcept cc = new CodeableConcept();
                cc.addCoding(buildCoding(getParamStringNoNull(vars, tgt.getParameter().get(0), tgt.toString()), getParamStringNoNull(vars, tgt.getParameter().get(1), tgt.toString())));
                return cc;
            case C:
                Coding c = buildCoding(getParamStringNoNull(vars, tgt.getParameter().get(0), tgt.toString()), getParamStringNoNull(vars, tgt.getParameter().get(1), tgt.toString()));
                return c;
            default:
                throw new Error("Rule \"" + ruleId + "\": Transform Unknown: " + tgt.getTransform().toCode());
        }
    } catch (Exception e) {
        throw new FHIRException("Exception executing transform " + tgt.toString() + " on Rule \"" + ruleId + "\": " + e.getMessage(), e);
    }
}