Examples with StructureMapGroupRuleSourceComponent org.hl7.fhir.r4b.model.StructureMap.StructureMapGroupRuleSourceComponent used on opensource projects

Example 11 with StructureMapGroupRuleSourceComponent

use of org.hl7.fhir.r4b.model.StructureMap.StructureMapGroupRuleSourceComponent in project org.hl7.fhir.core by hapifhir.

the class StructureMapUtilities method processSource.

private List<Variables> processSource(String ruleId, TransformContext context, Variables vars, StructureMapGroupRuleSourceComponent src) throws FHIRException {
    List<Base> items;
    if (src.getContext().equals("@search")) {
        ExpressionNode expr = (ExpressionNode) src.getUserData(MAP_SEARCH_EXPRESSION);
        if (expr == null) {
            expr = fpe.parse(src.getElement());
            src.setUserData(MAP_SEARCH_EXPRESSION, expr);
        }
        // string is a holder of nothing to ensure that variables are processed correctly
        String search = fpe.evaluateToString(vars, null, new StringType(), expr);
        items = services.performSearch(context.appInfo, search);
    } else {
        items = new ArrayList<Base>();
        Base b = vars.get(VariableMode.INPUT, src.getContext());
        if (b == null)
            throw new FHIRException("Unknown input variable " + src.getContext());
        if (!src.hasElement())
            items.add(b);
        else {
            getChildrenByName(b, src.getElement(), items);
            if (items.size() == 0 && src.hasDefaultValue())
                items.add(src.getDefaultValue());
        }
    }
    if (src.hasType()) {
        List<Base> remove = new ArrayList<Base>();
        for (Base item : items) {
            if (item != null && !isType(item, src.getType())) {
                remove.add(item);
            }
        }
        items.removeAll(remove);
    }
    if (src.hasCondition()) {
        ExpressionNode expr = (ExpressionNode) src.getUserData(MAP_WHERE_EXPRESSION);
        if (expr == null) {
            expr = fpe.parse(src.getCondition());
            // fpe.check(context.appInfo, ??, ??, expr)
            src.setUserData(MAP_WHERE_EXPRESSION, expr);
        }
        List<Base> remove = new ArrayList<Base>();
        for (Base item : items) {
            if (!fpe.evaluateToBoolean(vars, null, item, expr))
                remove.add(item);
        }
        items.removeAll(remove);
    }
    if (src.hasCheck()) {
        ExpressionNode expr = (ExpressionNode) src.getUserData(MAP_WHERE_CHECK);
        if (expr == null) {
            expr = fpe.parse(src.getCheck());
            // fpe.check(context.appInfo, ??, ??, expr)
            src.setUserData(MAP_WHERE_CHECK, expr);
        }
        List<Base> remove = new ArrayList<Base>();
        for (Base item : items) {
            if (!fpe.evaluateToBoolean(vars, null, item, expr))
                throw new FHIRException("Rule \"" + ruleId + "\": Check condition failed");
        }
    }
    if (src.hasListMode() && !items.isEmpty()) {
        switch(src.getListMode()) {
            case FIRST:
                Base bt = items.get(0);
                items.clear();
                items.add(bt);
                break;
            case NOTFIRST:
                if (items.size() > 0)
                    items.remove(0);
                break;
            case LAST:
                bt = items.get(items.size() - 1);
                items.clear();
                items.add(bt);
                break;
            case NOTLAST:
                if (items.size() > 0)
                    items.remove(items.size() - 1);
                break;
            case ONLYONE:
                if (items.size() > 1)
                    throw new FHIRException("Rule \"" + ruleId + "\": Check condition failed: the collection has more than one item");
                break;
            case NULL:
        }
    }
    List<Variables> result = new ArrayList<Variables>();
    for (Base r : items) {
        Variables v = vars.copy();
        if (src.hasVariable())
            v.add(VariableMode.INPUT, src.getVariable(), r);
        result.add(v);
    }
    return result;
}

Example 12 with StructureMapGroupRuleSourceComponent

use of org.hl7.fhir.r4b.model.StructureMap.StructureMapGroupRuleSourceComponent in project org.hl7.fhir.core by hapifhir.

the class StructureMapUtilities method renderRule.

private static void renderRule(StringBuilder b, StructureMapGroupRuleComponent r, int indent) {
    for (int i = 0; i < indent; i++) b.append(' ');
    b.append(r.getName());
    b.append(" : for ");
    boolean canBeAbbreviated = checkisSimple(r);
    boolean first = true;
    for (StructureMapGroupRuleSourceComponent rs : r.getSource()) {
        if (first)
            first = false;
        else
            b.append(", ");
        renderSource(b, rs, canBeAbbreviated);
    }
    if (r.getTarget().size() > 1) {
        b.append(" make ");
        first = true;
        for (StructureMapGroupRuleTargetComponent rt : r.getTarget()) {
            if (first)
                first = false;
            else
                b.append(", ");
            if (RENDER_MULTIPLE_TARGETS_ONELINE)
                b.append(' ');
            else {
                b.append("\r\n");
                for (int i = 0; i < indent + 4; i++) b.append(' ');
            }
            renderTarget(b, rt, false);
        }
    } else if (r.hasTarget()) {
        b.append(" make ");
        renderTarget(b, r.getTarget().get(0), canBeAbbreviated);
    }
    if (!canBeAbbreviated) {
        if (r.hasRule()) {
            b.append(" then {\r\n");
            renderDoco(b, r.getDocumentation());
            for (StructureMapGroupRuleComponent ir : r.getRule()) {
                renderRule(b, ir, indent + 2);
            }
            for (int i = 0; i < indent; i++) b.append(' ');
            b.append("}\r\n");
        } else {
            if (r.hasDependent()) {
                b.append(" then ");
                first = true;
                for (StructureMapGroupRuleDependentComponent rd : r.getDependent()) {
                    if (first)
                        first = false;
                    else
                        b.append(", ");
                    b.append(rd.getName());
                    b.append("(");
                    boolean ifirst = true;
                    for (StringType rdp : rd.getVariable()) {
                        if (ifirst)
                            ifirst = false;
                        else
                            b.append(", ");
                        b.append(rdp.asStringValue());
                    }
                    b.append(")");
                }
            }
        }
    }
    renderDoco(b, r.getDocumentation());
    b.append("\r\n");
}

Example 13 with StructureMapGroupRuleSourceComponent

use of org.hl7.fhir.r4b.model.StructureMap.StructureMapGroupRuleSourceComponent in project org.hl7.fhir.core by hapifhir.

the class StructureMapUtilities method parseSource.

private void parseSource(StructureMapGroupRuleComponent rule, FHIRLexer lexer) throws FHIRException {
    StructureMapGroupRuleSourceComponent source = rule.addSource();
    source.setContext(lexer.take());
    if (source.getContext().equals("search") && lexer.hasToken("(")) {
        source.setContext("@search");
        lexer.take();
        ExpressionNode node = fpe.parse(lexer);
        source.setUserData(MAP_SEARCH_EXPRESSION, node);
        source.setElement(node.toString());
        lexer.token(")");
    } else if (lexer.hasToken(".")) {
        lexer.token(".");
        source.setElement(lexer.take());
    }
    if (lexer.hasToken(":")) {
        // type and cardinality
        lexer.token(":");
        source.setType(lexer.takeDottedToken());
        if (!lexer.hasToken("as", "first", "last", "not_first", "not_last", "only_one", "default")) {
            source.setMin(lexer.takeInt());
            lexer.token("..");
            source.setMax(lexer.take());
        }
    }
    if (lexer.hasToken("default")) {
        lexer.token("default");
        source.setDefaultValue(new StringType(lexer.readConstant("default value")));
    }
    if (Utilities.existsInList(lexer.getCurrent(), "first", "last", "not_first", "not_last", "only_one"))
        source.setListMode(StructureMapSourceListMode.fromCode(lexer.take()));
    if (lexer.hasToken("as")) {
        lexer.take();
        source.setVariable(lexer.take());
    }
    if (lexer.hasToken("where")) {
        lexer.take();
        ExpressionNode node = fpe.parse(lexer);
        source.setUserData(MAP_WHERE_EXPRESSION, node);
        source.setCondition(node.toString());
    }
    if (lexer.hasToken("check")) {
        lexer.take();
        ExpressionNode node = fpe.parse(lexer);
        source.setUserData(MAP_WHERE_CHECK, node);
        source.setCheck(node.toString());
    }
}

Example 14 with StructureMapGroupRuleSourceComponent

use of org.hl7.fhir.r4b.model.StructureMap.StructureMapGroupRuleSourceComponent in project org.hl7.fhir.core by hapifhir.

the class StructureMapUtilities method sourceToString.

public static String sourceToString(StructureMapGroupRuleSourceComponent r) {
    StringBuilder b = new StringBuilder();
    renderSource(b, r, false);
    return b.toString();
}

Example 15 with StructureMapGroupRuleSourceComponent

use of org.hl7.fhir.r4b.model.StructureMap.StructureMapGroupRuleSourceComponent in project org.hl7.fhir.core by hapifhir.

the class StructureMapUtilities method parseSource.

private void parseSource(StructureMapGroupRuleComponent rule, FHIRLexer lexer) throws FHIRException {
    StructureMapGroupRuleSourceComponent source = rule.addSource();
    source.setContext(lexer.take());
    if (source.getContext().equals("search") && lexer.hasToken("(")) {
        source.setContext("@search");
        lexer.take();
        ExpressionNode node = fpe.parse(lexer);
        source.setUserData(MAP_SEARCH_EXPRESSION, node);
        source.setElement(node.toString());
        lexer.token(")");
    } else if (lexer.hasToken(".")) {
        lexer.token(".");
        source.setElement(lexer.take());
    }
    if (lexer.hasToken(":")) {
        // type and cardinality
        lexer.token(":");
        source.setType(lexer.takeDottedToken());
        if (!lexer.hasToken("as", "first", "last", "not_first", "not_last", "only_one", "default")) {
            source.setMin(lexer.takeInt());
            lexer.token("..");
            source.setMax(lexer.take());
        }
    }
    if (lexer.hasToken("default")) {
        lexer.token("default");
        source.setDefaultValue(new StringType(lexer.readConstant("default value")));
    }
    if (Utilities.existsInList(lexer.getCurrent(), "first", "last", "not_first", "not_last", "only_one"))
        source.setListMode(StructureMapSourceListMode.fromCode(lexer.take()));
    if (lexer.hasToken("as")) {
        lexer.take();
        source.setVariable(lexer.take());
    }
    if (lexer.hasToken("where")) {
        lexer.take();
        ExpressionNode node = fpe.parse(lexer);
        source.setUserData(MAP_WHERE_EXPRESSION, node);
        source.setCondition(node.toString());
    }
    if (lexer.hasToken("check")) {
        lexer.take();
        ExpressionNode node = fpe.parse(lexer);
        source.setUserData(MAP_WHERE_CHECK, node);
        source.setCheck(node.toString());
    }
    if (lexer.hasToken("log")) {
        lexer.take();
        ExpressionNode node = fpe.parse(lexer);
        source.setUserData(MAP_WHERE_CHECK, node);
        source.setLogMessage(node.toString());
    }
}