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

Example 21 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();
    if (lexer.hasToken("optional"))
        lexer.next();
    else
        source.setRequired(true);
    source.setContext(lexer.take());
    if (lexer.hasToken(".")) {
        lexer.token(".");
        source.setElement(lexer.take());
    }
    if (Utilities.existsInList(lexer.getCurrent(), "first", "last", "only_one"))
        if (lexer.getCurrent().equals("only_one")) {
            source.setListMode(StructureMapListMode.SHARE);
            lexer.take();
        } else
            source.setListMode(StructureMapListMode.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());
    }
}