*     Jin Mingjan - bug 262765 -  extractXPathExpression and getExpectedResults

 *     Mukul Gandhi - bug 273760 - wrong namespace for functions and data types

 *     Mukul Gandhi - bug 276134 - improvements to schema aware support for attribute nodes

import java.util.HashMap;

import java.util.Iterator;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

import javax.xml.XMLConstants;

import javax.xml.transform.stream.StreamSource;

import javax.xml.validation.Schema;

import javax.xml.validation.SchemaFactory;

import org.xml.sax.SAXException;

	private static final String INPUT_CONTEXT = "input-context";

	private static final String INPUT_CONTEXT1 = "input-context1";

	private static final String INPUT_CONTEXT2 = "input-context2";

//	private static final String S_COMMENT1 = "(:";

	private static final String S_COMMENT2 = ":)";

	private static final String DECLARE_NAMESPACE = "declare namespace";

	private static final String DECLARE_VARIABLE = "declare variable";

	private static final String REGEX_DN = "declare namespace\\s+(\\w[-_\\w]*)\\s*=\\s*['\"]([^;]*)['\"];";

	private static HashMap<String, String> namespaceMap = new HashMap<String, String>(3);

	private static HashMap<String, String> inputMap = new HashMap<String, String>(3);

	protected void loadDOMDocument(URL fileURL, URL schemaURL) throws IOException,

	        DOMLoaderException, SAXException {

      InputStream is = fileURL.openStream();

      InputStream schemaIs = schemaURL.openStream();

      DOMLoader domloader = new XercesLoader(getSchema(schemaIs));

      domDoc = domloader.load(is);

    }

	private Schema getSchema(InputStream schemaIs) throws SAXException {

		SchemaFactory sf = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);

        Schema schema = sf.newSchema(new StreamSource(schemaIs));

        return schema;

	}

	protected String getExpectedResult(String xqFile){

		String resultFile = xqFile;

		//

		if (resultFile.length()<10) {   //<9 enough? like XPST0001

			return resultFile;

		}

		String content="";

		//

		InputStream isrf;

		try {

			isrf = bundle.getEntry(resultFile).openStream();

			BufferedReader rfreader = new BufferedReader(new InputStreamReader(isrf));

			//XXX:assume char buffer 2048 is long enough;1024 maybe enough

	        //Exception: Axes085, NodeTest003/04/05,... 

			int bufferLength = 2048;

			if ((resultFile.indexOf("Axes085") != -1)

					|| (resultFile.indexOf("NodeTest003") != -1)

					|| (resultFile.indexOf("NodeTest004") != -1)

					|| (resultFile.indexOf("NodeTest005") != -1)) {

				bufferLength = 40000;

			}else if(resultFile.indexOf("ForExpr013") != -1) {

				bufferLength = 433500;

			}else if(resultFile.indexOf("ForExpr016") != -1

					|| (resultFile.indexOf("ReturnExpr011") != -1)

					|| (resultFile.indexOf("sgml-queries-results-q1") != -1)

					|| (resultFile.indexOf("sgml-queries-results-q2") != -1)) {

				bufferLength = 10240;

			}

			char[] cbuf = new char[bufferLength];

			int nByte = rfreader.read(cbuf);

	        assertTrue(resultFile,nByte<bufferLength);//assert nice buffer length

	        content = new String(cbuf).trim();

	        rfreader.close();

	        isrf.close();

		} catch (IOException e) {

//			e.printStackTrace();

			content = "XPST0003";

		}

		return content;

	}

	public String extractXPathExpression(String xqFile, String inputFile) {

		// get the xpath2 expr from xq file, first

        char[] cbuf = new char[2048];//

        String content = null;

        String xpath2Expr = null;

		try {

			InputStream isxq =  bundle.getEntry(xqFile).openStream();

	        BufferedReader xqreader = new BufferedReader(new InputStreamReader(isxq));

	        int nByte = xqreader.read(cbuf);

	        assertTrue(xqFile,nByte<2048);

	        content = new String(cbuf).trim();

	        //

			if (content.indexOf(INPUT_CONTEXT) != -1

					&& content.indexOf(INPUT_CONTEXT1) == -1

					&& content.indexOf(INPUT_CONTEXT2) == -1) {

				inputMap.put(INPUT_CONTEXT, inputFile);

			} else if (content.indexOf(INPUT_CONTEXT1) == -1) {

				inputMap.put(INPUT_CONTEXT1, inputFile);

			} else if (content.indexOf(INPUT_CONTEXT2) != -1) {

				inputMap.put(INPUT_CONTEXT2, inputFile);

			}

	        //	        

	        if (content.indexOf(DECLARE_NAMESPACE)!=-1) {

	        	setupNamespace(content);

	        }

	        //

	        assertTrue(content.lastIndexOf(S_COMMENT2)!=-1);//assert to get

	        xpath2Expr = content.substring(content.lastIndexOf(S_COMMENT2)+2).trim(); 

	        xqreader.close();

	        isxq.close();

		} catch (IOException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

		return xpath2Expr;

	}

	protected void setupNamespace(String content) {

		Pattern p = Pattern.compile(REGEX_DN);

		Matcher m = p.matcher(content);

		while (m.find()) {

			assertTrue(m.groupCount()==2);//

			namespaceMap.put(m.group(1), m.group(2));

		}

	}

	protected DynamicContext setupVariables(DynamicContext dc) {

		dc.add_variable(new QName("x"));

		dc.add_variable(new QName("var"));

		ElementType elementType = new ElementType(domDoc.getDocumentElement(), 0);;

		dc.set_variable(new QName("input-context1"), elementType);

		return dc;

	}

	protected String buildResultString(ResultSequence rs) {

		String actual = new String();

		Iterator<AnyType> iterator = rs.iterator();

		while (iterator.hasNext()) {

			AnyType anyType = iterator.next();

			actual = actual + anyType.string_value() + " ";

		}

		return actual.trim();

	}

import javax.xml.parsers.DocumentBuilder;

import javax.xml.parsers.DocumentBuilderFactory;

	public void testStringFunctionBug274471() throws Exception {

		// Bug 274471

		URL fileURL = bundle.getEntry("/bugTestFiles/bug274471.xml");

		loadDOMDocument(fileURL);

		// Get XML Schema Information for the Document

		XSModel schema = getGrammar();

		DynamicContext dc = setupDynamicContext(schema);

		String xpath = "x/string() = 'unhappy'";

		XPath path = compileXPath(dc, xpath);

		Evaluator eval = new DefaultEvaluator(dc, domDoc);

		ResultSequence rs = eval.evaluate(path);

		XSBoolean result = (XSBoolean) rs.first();

		String actual = result.string_value();

		assertEquals("true", actual);

	}

	public void testStringLengthFunctionBug274471() throws Exception {

		// Bug 274471. string-length() with arity 0

		URL fileURL = bundle.getEntry("/bugTestFiles/bug274471.xml");

		loadDOMDocument(fileURL);

		// Get XML Schema Information for the Document

		XSModel schema = getGrammar();

		DynamicContext dc = setupDynamicContext(schema);

		String xpath = "x/string-length() = 7";

		XPath path = compileXPath(dc, xpath);

		Evaluator eval = new DefaultEvaluator(dc, domDoc);

		ResultSequence rs = eval.evaluate(path);

		XSBoolean result = (XSBoolean) rs.first();

		String actual = result.string_value();

		assertEquals("true", actual);

	}

	public void testNormalizeSpaceFunctionBug274471() throws Exception {

		// Bug 274471. normalize-space() with arity 0

		URL fileURL = bundle.getEntry("/bugTestFiles/bug274471.xml");

		loadDOMDocument(fileURL);

		// Get XML Schema Information for the Document

		XSModel schema = getGrammar();

		DynamicContext dc = setupDynamicContext(schema);

		String xpath = "x/normalize-space() = 'unhappy'";

		XPath path = compileXPath(dc, xpath);

		Evaluator eval = new DefaultEvaluator(dc, domDoc);

		ResultSequence rs = eval.evaluate(path);

		XSBoolean result = (XSBoolean) rs.first();

		String actual = result.string_value();

		assertEquals("true", actual);

	}

	public void testAnyUriEqualityBug() throws Exception {

		// Bug 274719

		// reusing the XML document from another bug

		URL fileURL = bundle.getEntry("/bugTestFiles/bug274471.xml");

		loadDOMDocument(fileURL);

		// Get XML Schema Information for the Document

		XSModel schema = getGrammar();

		DynamicContext dc = setupDynamicContext(schema);

		String xpath = "xs:anyURI('abc') eq xs:anyURI('abc')";

		XPath path = compileXPath(dc, xpath);

		Evaluator eval = new DefaultEvaluator(dc, domDoc);

		ResultSequence rs = eval.evaluate(path);

		XSBoolean result = (XSBoolean) rs.first();

		String actual = result.string_value();

		assertEquals("true", actual);

	}

	public void testBaseUriBug() throws Exception {

		// Bug 274725

		DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();

		DocumentBuilder docBuilder = dbf.newDocumentBuilder();

		// for testing this bug, we read the XML document from the web. 

		// this ensures, that base-uri property of DOM is not null.

		domDoc = docBuilder.parse("http://www.w3schools.com/xml/note.xml");

		// we pass XSModel as null for this test case. Otherwise, we would

		// get an exception.

		DynamicContext dc = setupDynamicContext(null);

		String xpath = "base-uri(note) eq xs:anyURI('http://www.w3schools.com/xml/note.xml')";

		// please note: The below XPath would also work, with base-uri using arity 0.

		//String xpath = "note/base-uri() eq xs:anyURI('http://www.w3schools.com/xml/note.xml')";

		XPath path = compileXPath(dc, xpath);

		Evaluator eval = new DefaultEvaluator(dc, domDoc);

		ResultSequence rs = eval.evaluate(path);

		XSBoolean result = (XSBoolean) rs.first();

		String actual = result.string_value();

		assertEquals("true", actual);

	}

	public void testDocumentUriBug() throws Exception {

		// Bug 274731

		DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();

		DocumentBuilder docBuilder = dbf.newDocumentBuilder();

		domDoc = docBuilder.parse("http://www.w3schools.com/xml/note.xml");

		DynamicContext dc = setupDynamicContext(null);

		String xpath = "document-uri(/) eq xs:anyURI('http://www.w3schools.com/xml/note.xml')";

		XPath path = compileXPath(dc, xpath);

		Evaluator eval = new DefaultEvaluator(dc, domDoc);

		ResultSequence rs = eval.evaluate(path);

		XSBoolean result = (XSBoolean) rs.first();

		String actual = "false";

		if (result != null) {

		  actual = result.string_value();

		}

		assertEquals("true", actual);

	}

	public void testBooleanTypeBug() throws Exception {

		// Bug 274784

		// reusing the XML document from another bug

		URL fileURL = bundle.getEntry("/bugTestFiles/bug273719.xml");

		loadDOMDocument(fileURL);

		// Get XML Schema Information for the Document

		XSModel schema = getGrammar();

		DynamicContext dc = setupDynamicContext(schema);

		String xpath = "xs:boolean('1') eq xs:boolean('true')";

		XPath path = compileXPath(dc, xpath);

		Evaluator eval = new DefaultEvaluator(dc, domDoc);

		ResultSequence rs = eval.evaluate(path);

		XSBoolean result = (XSBoolean) rs.first();

		String actual = result.string_value();

		assertEquals("true", actual);

	}

	public void testDateConstructorBug() throws Exception {

		// Bug 274792

		URL fileURL = bundle.getEntry("/bugTestFiles/bug274792.xml");

		loadDOMDocument(fileURL);

		// Get XML Schema Information for the Document

		XSModel schema = getGrammar();

		DynamicContext dc = setupDynamicContext(schema);

		String xpath = "xs:date('2009-01-01') eq xs:date('2009-01-01')";

		XPath path = compileXPath(dc, xpath);

		Evaluator eval = new DefaultEvaluator(dc, domDoc);

		ResultSequence rs = eval.evaluate(path);

		XSBoolean result = (XSBoolean) rs.first();

		String actual = result.string_value();

		assertEquals("true", actual);

	}

	public void testIntegerDataTypeBug() throws Exception {

		// Bug 274805

		URL fileURL = bundle.getEntry("/bugTestFiles/bug274805.xml");

		loadDOMDocument(fileURL);

		// Get XML Schema Information for the Document

		XSModel schema = getGrammar();

		DynamicContext dc = setupDynamicContext(schema);

		// xs:integer by definition is from -INF to +INF

		String xpath = "xs:integer(x) gt 100";

		XPath path = compileXPath(dc, xpath);

		Evaluator eval = new DefaultEvaluator(dc, domDoc);

		ResultSequence rs = eval.evaluate(path);

		XSBoolean result = (XSBoolean) rs.first();

		String actual = result.string_value();

		assertEquals("true", actual);

	}

	public void testLongDataType() throws Exception {

		// Bug 274952

		URL fileURL = bundle.getEntry("/TestSources/emptydoc.xml");

		loadDOMDocument(fileURL);

		// Get XML Schema Information for the Document

		XSModel schema = getGrammar();

		DynamicContext dc = setupDynamicContext(schema);

		// long min value is -9223372036854775808

		// and max value can be 9223372036854775807

		String xpath = "xs:long('9223372036854775807') gt 0";

		XPath path = compileXPath(dc, xpath);

		Evaluator eval = new DefaultEvaluator(dc, domDoc);

		ResultSequence rs = eval.evaluate(path);

		XSBoolean result = (XSBoolean) rs.first();

		String actual = result.string_value();

		assertEquals("true", actual);

	}

	public void testIntDataType() throws Exception {

		// Bug 275105

		URL fileURL = bundle.getEntry("/TestSources/emptydoc.xml");

		loadDOMDocument(fileURL);

		// Get XML Schema Information for the Document

		XSModel schema = getGrammar();

		DynamicContext dc = setupDynamicContext(schema);

		// int min value is -2147483648

		// and max value can be 2147483647

		String xpath = "xs:int('2147483647') gt 0";

		XPath path = compileXPath(dc, xpath);

		Evaluator eval = new DefaultEvaluator(dc, domDoc);

		ResultSequence rs = eval.evaluate(path);

		XSBoolean result = (XSBoolean) rs.first();

		String actual = result.string_value();

		assertEquals("true", actual);

	}

	public void testSchemaawareness() throws Exception {

		// Bug 276134

		URL fileURL = bundle.getEntry("/bugTestFiles/bug276134.xml");

		URL schemaURL = bundle.getEntry("/bugTestFiles/bug276134.xsd");

		loadDOMDocument(fileURL, schemaURL);

		// Get XSModel object for the Schema

		XSModel schema = getGrammar();

		DynamicContext dc = setupDynamicContext(schema);

		String xpath = "person/@dob eq xs:date('2006-12-10')";

		XPath path = compileXPath(dc, xpath);

		Evaluator eval = new DefaultEvaluator(dc, domDoc);

		ResultSequence rs = eval.evaluate(path);

		XSBoolean result = (XSBoolean) rs.first();

		String actual = result.string_value();

		assertEquals("true", actual);

	}

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">

  <xs:element name="person">

   <xs:complexType>

    <xs:sequence>

     <xs:element name="fname" type = "xs:string" />

     <xs:element name="lname" type = "xs:string" />

    </xs:sequence>

    <xs:attribute name="id" type="xs:decimal" />

    <xs:attribute name="dob" type="xs:date" />

   </xs:complexType>

  </xs:element>

</xs:schema>

<person id="100" dob="2006-12-10" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">

  <fname>Mukul</fname>

  <lname>Gandhi</lname>

</person>