Examples with XPathExpression org.javarosa.xpath.expr.XPathExpression used on opensource projects

Example 11 with XPathExpression

use of org.javarosa.xpath.expr.XPathExpression in project javarosa by opendatakit.

the class XPathReference method getPathExpr.

public static XPathPathExpr getPathExpr(String nodeset) {
    XPathExpression path;
    boolean validNonPathExpr = false;
    try {
        path = XPathParseTool.parseXPath(nodeset);
        if (!(path instanceof XPathPathExpr)) {
            validNonPathExpr = true;
            throw new XPathSyntaxException();
        }
    } catch (XPathSyntaxException xse) {
        // make these checked exceptions?
        if (validNonPathExpr) {
            throw new XPathTypeMismatchException("Expected XPath path, got XPath expression: [" + nodeset + "]," + xse.getMessage());
        } else {
            Std.printStack(xse);
            throw new XPathException("Parse error in XPath path: [" + nodeset + "]." + (xse.getMessage() == null ? "" : "\n" + xse.getMessage()));
        }
    }
    return (XPathPathExpr) path;
}

Example 12 with XPathExpression

use of org.javarosa.xpath.expr.XPathExpression in project javarosa by opendatakit.

the class ASTNodeLocPath method build.

public XPathExpression build() throws XPathSyntaxException {
    Vector<XPathStep> steps = new Vector<XPathStep>();
    XPathExpression filtExpr = null;
    int offset = isAbsolute() ? 1 : 0;
    for (int i = 0; i < clauses.size() + offset; i++) {
        if (offset == 0 || i > 0) {
            if (clauses.elementAt(i - offset) instanceof ASTNodePathStep) {
                steps.addElement(((ASTNodePathStep) clauses.elementAt(i - offset)).getStep());
            } else {
                filtExpr = clauses.elementAt(i - offset).build();
            }
        }
        if (i < separators.size()) {
            if (Parser.vectInt(separators, i) == Token.DBL_SLASH) {
                steps.addElement(XPathStep.ABBR_DESCENDANTS());
            }
        }
    }
    XPathStep[] stepArr = new XPathStep[steps.size()];
    for (int i = 0; i < stepArr.length; i++) stepArr[i] = steps.elementAt(i);
    if (filtExpr == null) {
        return new XPathPathExpr(isAbsolute() ? XPathPathExpr.INIT_CONTEXT_ROOT : XPathPathExpr.INIT_CONTEXT_RELATIVE, stepArr);
    } else {
        if (filtExpr instanceof XPathFilterExpr) {
            return new XPathPathExpr((XPathFilterExpr) filtExpr, stepArr);
        } else {
            return new XPathPathExpr(new XPathFilterExpr(filtExpr, new XPathExpression[0]), stepArr);
        }
    }
}

Example 13 with XPathExpression

use of org.javarosa.xpath.expr.XPathExpression in project javarosa by opendatakit.

the class XPathParseTest method testXPathValid.

private void testXPathValid(String expr, String expected) {
    try {
        XPathExpression xpe = XPathParseTool.parseXPath(expr);
        String result = (xpe != null ? xpe.toString() : null);
        if (result == null || !result.equals(expected)) {
            fail("XPath Parse Failed! Incorrect parse tree." + "\n    expression:[" + expr + "]" + "\n    expected:[" + expected + "]" + "\n    result:[" + result + "]");
        }
        // test serialization of parse tree
        ExternalizableTest.testExternalizable(new ExtWrapTagged(xpe), new ExtWrapTagged(), pf, this, "XPath");
    } catch (XPathSyntaxException xse) {
        fail("XPath Parse Failed! Unexpected syntax error." + "\n    expression:[" + expr + "]");
    }
}

Example 14 with XPathExpression

use of org.javarosa.xpath.expr.XPathExpression in project javarosa by opendatakit.

the class XPathParseTest method testXPathInvalid.

private void testXPathInvalid(String expr) {
    try {
        XPathExpression xpe = XPathParseTool.parseXPath(expr);
        String result = (xpe != null ? xpe.toString() : null);
        fail("XPath Parse Failed! Did not get syntax error as expected." + "\n    expression:[" + expr + "]" + "\n    result:[" + (result == null ? "(null)" : result) + "]");
    } catch (XPathSyntaxException xse) {
    // success: syntax error as expected
    }
}