Examples with FHIRLexerException org.hl7.fhir.r4.utils.FHIRLexer.FHIRLexerException used on opensource projects

Example 21 with FHIRLexerException

use of org.hl7.fhir.r4.utils.FHIRLexer.FHIRLexerException in project org.hl7.fhir.core by hapifhir.

the class FHIRLexer method takeDottedToken.

public String takeDottedToken() throws FHIRLexerException {
    StringBuilder b = new StringBuilder();
    b.append(take());
    while (!done() && getCurrent().equals(".")) {
        b.append(take());
        b.append(take());
    }
    return b.toString();
}

Example 22 with FHIRLexerException

use of org.hl7.fhir.r4.utils.FHIRLexer.FHIRLexerException in project org.hl7.fhir.core by hapifhir.

the class InstanceValidator method checkInvariant.

public void checkInvariant(ValidatorHostContext hostContext, List<ValidationMessage> errors, String path, StructureDefinition profile, Element resource, Element element, ElementDefinitionConstraintComponent inv) throws FHIRException {
    // if (debug) {
    // System.out.println("inv "+inv.getKey()+" on "+path+" in "+resource.fhirType()+" {{ "+inv.getExpression()+" }}");
    // }
    ExpressionNode n = (ExpressionNode) inv.getUserData("validator.expression.cache");
    if (n == null) {
        long t = System.nanoTime();
        try {
            n = fpe.parse(fixExpr(inv.getExpression(), inv.getKey()));
        } catch (FHIRLexerException e) {
            rule(errors, IssueType.INVARIANT, element.line(), element.col(), path, false, I18nConstants.PROBLEM_PROCESSING_EXPRESSION__IN_PROFILE__PATH__, inv.getExpression(), profile.getUrl(), path, e.getMessage());
            return;
        }
        timeTracker.fpe(t);
        inv.setUserData("validator.expression.cache", n);
    }
    String msg;
    boolean ok;
    try {
        long t = System.nanoTime();
        ok = fpe.evaluateToBoolean(hostContext, resource, hostContext.getRootResource(), element, n);
        timeTracker.fpe(t);
        msg = fpe.forLog();
    } catch (Exception ex) {
        ok = false;
        msg = ex.getMessage();
    }
    if (!ok) {
        if (!Utilities.noString(msg)) {
            msg = "'" + inv.getHuman() + "' (" + msg + ")";
        } else if (wantInvariantInMessage) {
            msg = "'" + inv.getHuman() + "'  [" + n.toString() + "]";
        } else {
            msg = context.formatMessage(I18nConstants.INV_FAILED, "'" + inv.getHuman() + "'");
        }
        if (inv.hasExtension("http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice") && ToolingExtensions.readBooleanExtension(inv, "http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice")) {
            if (bpWarnings == BestPracticeWarningLevel.Hint)
                hint(errors, IssueType.INVARIANT, element.line(), element.col(), path, ok, inv.getKey() + ": " + msg);
            else if (bpWarnings == BestPracticeWarningLevel.Warning)
                warning(errors, IssueType.INVARIANT, element.line(), element.col(), path, ok, inv.getKey() + ": '" + inv.getHuman() + "' " + msg);
            else if (bpWarnings == BestPracticeWarningLevel.Error)
                rule(errors, IssueType.INVARIANT, element.line(), element.col(), path, ok, inv.getKey() + ": '" + inv.getHuman() + "' " + msg);
        } else if (inv.getSeverity() == ConstraintSeverity.ERROR) {
            rule(errors, IssueType.INVARIANT, element.line(), element.col(), path, ok, inv.getKey() + ": '" + inv.getHuman() + "' " + msg);
        } else if (inv.getSeverity() == ConstraintSeverity.WARNING) {
            warning(errors, IssueType.INVARIANT, element.line(), element.col(), path, ok, inv.getKey() + ": '" + inv.getHuman() + "' " + msg);
        }
    }
}

Example 23 with FHIRLexerException

use of org.hl7.fhir.r4.utils.FHIRLexer.FHIRLexerException in project org.hl7.fhir.core by hapifhir.

the class FHIRPathEngine method check.

/**
 * check that paths referred to in the ExpressionNode are valid
 *
 * xPathStartsWithValueRef is a hack work around for the fact that FHIR Path sometimes needs a different starting point than the xpath
 *
 * returns a list of the possible types that might be returned by executing the ExpressionNode against a particular context
 *
 * @param context - the logical type against which this path is applied
 * @throws DefinitionException
 * @throws PathEngineException
 * @if the path is not valid
 */
public TypeDetails check(Object appContext, String resourceType, String context, ExpressionNode expr) throws FHIRLexerException, PathEngineException, DefinitionException {
    // if context is a path that refers to a type, do that conversion now
    TypeDetails types;
    if (!context.contains("."))
        types = new TypeDetails(CollectionStatus.SINGLETON, context);
    else {
        StructureDefinition sd = worker.fetchTypeDefinition(context.substring(0, context.indexOf('.')));
        if (sd == null)
            throw new PathEngineException("Unknown context " + context);
        ElementDefinitionMatch ed = getElementDefinition(sd, context, true);
        if (ed == null)
            throw new PathEngineException("Unknown context element " + context);
        if (ed.fixedType != null)
            types = new TypeDetails(CollectionStatus.SINGLETON, ed.fixedType);
        else if (ed.getDefinition().getType().isEmpty() || (isAbstractType(ed.getDefinition().getType())))
            types = new TypeDetails(CollectionStatus.SINGLETON, context);
        else {
            types = new TypeDetails(CollectionStatus.SINGLETON);
            for (TypeRefComponent t : ed.getDefinition().getType()) types.addType(t.getCode());
        }
    }
    return executeType(new ExecutionTypeContext(appContext, resourceType, context, types), types, expr, true);
}

Example 24 with FHIRLexerException

use of org.hl7.fhir.r4.utils.FHIRLexer.FHIRLexerException in project org.hl7.fhir.core by hapifhir.

the class FHIRPathEngine method evaluate.

/**
 * evaluate a path and return the matching elements
 *
 * @param base - the object against which the path is being evaluated
 * @param path - the FHIR Path statement to use
 * @return
 * @throws FHIRLexerException
 * @throws PathEngineException
 * @
 * @
 */
public List<Base> evaluate(Base base, String path) throws FHIRLexerException, PathEngineException {
    ExpressionNode exp = parse(path);
    List<Base> list = new ArrayList<Base>();
    if (base != null)
        list.add(base);
    log = new StringBuilder();
    return execute(new ExecutionContext(null, null, base, base), list, exp, true);
}

Example 25 with FHIRLexerException

use of org.hl7.fhir.r4.utils.FHIRLexer.FHIRLexerException in project org.hl7.fhir.core by hapifhir.

the class FHIRPathEngine method parsePartial.

/**
 * Parse a path for later use using execute
 *
 * @param path
 * @return
 * @throws PathEngineException
 * @throws Exception
 */
public ExpressionNodeWithOffset parsePartial(String path, int i) throws FHIRLexerException {
    FHIRLexer lexer = new FHIRLexer(path, i);
    if (lexer.done())
        throw lexer.error("Path cannot be empty");
    ExpressionNode result = parseExpression(lexer, true);
    result.check();
    return new ExpressionNodeWithOffset(lexer.getCurrentStart(), result);
}