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Posted to commits@jackrabbit.apache.org by fi...@apache.org on 2005/02/14 23:01:14 UTC

svn commit: r153861 [10/10] - in incubator/jackrabbit/site: ./ apidocs/ apidocs/org/apache/jackrabbit/core/ apidocs/org/apache/jackrabbit/core/fs/class-use/ apidocs/org/apache/jackrabbit/core/search/ apidocs/org/apache/jackrabbit/core/search/lucene/ apidocs/org/apache/jackrabbit/core/search/xpath/ apidocs/org/apache/jackrabbit/core/state/ apidocs/org/apache/jackrabbit/core/state/class-use/ apidocs/org/apache/jackrabbit/core/version/ apidocs/org/apache/jackrabbit/core/xml/ xref-test/ xref-test/org/apache/jackrabbit/init/ xref-test/org/apache/jackrabbit/test/ xref-test/org/apache/jackrabbit/test/api/ xref-test/org/apache/jackrabbit/test/api/query/ xref-test/org/apache/jackrabbit/test/search/ xref/org/apache/jackrabbit/core/ xref/org/apache/jackrabbit/core/search/ xref/org/apache/jackrabbit/core/search/lucene/ xref/org/apache/jackrabbit/core/search/xpath/

Modified: incubator/jackrabbit/site/xref/org/apache/jackrabbit/core/search/xpath/XPathQueryBuilder.html
URL: http://svn.apache.org/viewcvs/incubator/jackrabbit/site/xref/org/apache/jackrabbit/core/search/xpath/XPathQueryBuilder.html?view=diff&r1=153860&r2=153861
==============================================================================
--- incubator/jackrabbit/site/xref/org/apache/jackrabbit/core/search/xpath/XPathQueryBuilder.html (original)
+++ incubator/jackrabbit/site/xref/org/apache/jackrabbit/core/search/xpath/XPathQueryBuilder.html Mon Feb 14 14:00:49 2005
@@ -150,7 +150,7 @@
 <a name="141" href="#141">141</a> <em>     * Creates a new &lt;code>XPathQueryBuilder&lt;/code> instance.</em>
 <a name="142" href="#142">142</a> <em>     *</em>
 <a name="143" href="#143">143</a> <em>     * @param statement the XPath statement.</em>
-<a name="144" href="#144">144</a> <em>     * @param resolver  the namespace resolver to use.</em>
+<a name="144" href="#144">144</a> <em>     * @param resolver the namespace resolver to use.</em>
 <a name="145" href="#145">145</a> <em>     * @throws InvalidQueryException if the XPath statement is malformed.</em>
 <a name="146" href="#146">146</a> <em>     */</em>
 <a name="147" href="#147">147</a>     <strong>private</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/xpath/XPathQueryBuilder.html">XPathQueryBuilder</a>(String statement, <a href="../../../../../../org/apache/jackrabbit/core/NamespaceResolver.html">NamespaceResolver</a> resolver)
@@ -185,7 +185,7 @@
 <a name="176" href="#176">176</a> <em>     * Creates a &lt;code>QueryNode&lt;/code> tree from a XPath statement.</em>
 <a name="177" href="#177">177</a> <em>     *</em>
 <a name="178" href="#178">178</a> <em>     * @param statement the XPath statement.</em>
-<a name="179" href="#179">179</a> <em>     * @param resolver  the namespace resolver to use.</em>
+<a name="179" href="#179">179</a> <em>     * @param resolver the namespace resolver to use.</em>
 <a name="180" href="#180">180</a> <em>     * @return the &lt;code>QueryNode&lt;/code> tree for the XPath statement.</em>
 <a name="181" href="#181">181</a> <em>     * @throws InvalidQueryException if the XPath statement is malformed.</em>
 <a name="182" href="#182">182</a> <em>     */</em>
@@ -199,11 +199,11 @@
 <a name="190" href="#190">190</a>     <em>/**<em>*</em></em>
 <a name="191" href="#191">191</a> <em>     * Creates a String representation of the query node tree in XPath syntax.</em>
 <a name="192" href="#192">192</a> <em>     *</em>
-<a name="193" href="#193">193</a> <em>     * @param root     the root of the query node tree.</em>
+<a name="193" href="#193">193</a> <em>     * @param root the root of the query node tree.</em>
 <a name="194" href="#194">194</a> <em>     * @param resolver to resolve QNames.</em>
 <a name="195" href="#195">195</a> <em>     * @return a String representation of the query node tree.</em>
 <a name="196" href="#196">196</a> <em>     * @throws InvalidQueryException if the query node tree cannot be converted</em>
-<a name="197" href="#197">197</a> <em>     *                               into a String representation due to restrictions in XPath.</em>
+<a name="197" href="#197">197</a> <em>     *   into a String representation due to restrictions in XPath.</em>
 <a name="198" href="#198">198</a> <em>     */</em>
 <a name="199" href="#199">199</a>     <strong>public</strong> <strong>static</strong> String toString(<a href="../../../../../../org/apache/jackrabbit/core/search/QueryRootNode.html">QueryRootNode</a> root, <a href="../../../../../../org/apache/jackrabbit/core/NamespaceResolver.html">NamespaceResolver</a> resolver)
 <a name="200" href="#200">200</a>             throws InvalidQueryException {
@@ -226,9 +226,9 @@
 <a name="217" href="#217">217</a> <em>     *</em>
 <a name="218" href="#218">218</a> <em>     * @param node the current node as created by the XPath parser.</em>
 <a name="219" href="#219">219</a> <em>     * @param data the current &lt;code>QueryNode&lt;/code> created by this</em>
-<a name="220" href="#220">220</a> <em>     *             &lt;code>XPathVisitor&lt;/code>.</em>
+<a name="220" href="#220">220</a> <em>     *  &lt;code>XPathVisitor&lt;/code>.</em>
 <a name="221" href="#221">221</a> <em>     * @return the current &lt;code>QueryNode&lt;/code>. Can be different from</em>
-<a name="222" href="#222">222</a> <em>     *         &lt;code>data&lt;/code>.</em>
+<a name="222" href="#222">222</a> <em>     *  &lt;code>data&lt;/code>.</em>
 <a name="223" href="#223">223</a> <em>     */</em>
 <a name="224" href="#224">224</a>     <strong>public</strong> Object visit(<a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> node, Object data) {
 <a name="225" href="#225">225</a>         <strong>switch</strong> (node.getId()) {
@@ -307,354 +307,366 @@
 <a name="298" href="#298">298</a>             <strong>case</strong> JJTINTEGERLITERAL:
 <a name="299" href="#299">299</a>                 <strong>if</strong> (data instanceof RelationQueryNode) {
 <a name="300" href="#300">300</a>                     assignValue(node, (RelationQueryNode) data);
-<a name="301" href="#301">301</a>                 } <strong>else</strong> {
-<a name="302" href="#302">302</a>                     exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Internal error: data is not a RelationQueryNode"</span>));
-<a name="303" href="#303">303</a>                 }
-<a name="304" href="#304">304</a>                 <strong>break</strong>;
-<a name="305" href="#305">305</a>             <strong>case</strong> JJTFUNCTIONCALL:
-<a name="306" href="#306">306</a>                 data = createFunction(node, (QueryNode) data);
-<a name="307" href="#307">307</a>                 <strong>break</strong>;
-<a name="308" href="#308">308</a>             <strong>case</strong> JJTORDERBYCLAUSE:
-<a name="309" href="#309">309</a>                 root.setOrderNode(<strong>new</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/OrderQueryNode.html">OrderQueryNode</a>(root));
-<a name="310" href="#310">310</a>                 data = root.getOrderNode();
-<a name="311" href="#311">311</a>                 node.childrenAccept(<strong>this</strong>, data);
-<a name="312" href="#312">312</a>                 <strong>break</strong>;
-<a name="313" href="#313">313</a>             <strong>case</strong> JJTORDERMODIFIER:
-<a name="314" href="#314">314</a>                 <strong>if</strong> (node.jjtGetNumChildren() > 0
-<a name="315" href="#315">315</a>                         &amp;&amp; ((SimpleNode) node.jjtGetChild(0)).getId() == JJTDESCENDING) {
-<a name="316" href="#316">316</a>                     OrderQueryNode.OrderSpec[] specs = ((OrderQueryNode) data).getOrderSpecs();
-<a name="317" href="#317">317</a>                     specs[specs.length - 1].setAscending(false);
-<a name="318" href="#318">318</a>                 }
+<a name="301" href="#301">301</a>                 } <strong>else</strong> <strong>if</strong> (data instanceof LocationStepQueryNode) {
+<a name="302" href="#302">302</a>                     <strong>if</strong> (node.getId() == JJTINTEGERLITERAL) {
+<a name="303" href="#303">303</a>                         <strong>int</strong> index = Integer.parseInt(node.getValue());
+<a name="304" href="#304">304</a>                         ((<a href="../../../../../../org/apache/jackrabbit/core/search/LocationStepQueryNode.html">LocationStepQueryNode</a>) data).setIndex(index);
+<a name="305" href="#305">305</a>                 } <strong>else</strong> {
+<a name="306" href="#306">306</a>                         exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"LocationStep only allows integer literal as position index"</span>));
+<a name="307" href="#307">307</a>                     }
+<a name="308" href="#308">308</a>                 } <strong>else</strong> {
+<a name="309" href="#309">309</a>                     exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Internal error: data is not a RelationQueryNode"</span>));
+<a name="310" href="#310">310</a>                 }
+<a name="311" href="#311">311</a>                 <strong>break</strong>;
+<a name="312" href="#312">312</a>             <strong>case</strong> JJTFUNCTIONCALL:
+<a name="313" href="#313">313</a>                 data = createFunction(node, (QueryNode) data);
+<a name="314" href="#314">314</a>                 <strong>break</strong>;
+<a name="315" href="#315">315</a>             <strong>case</strong> JJTORDERBYCLAUSE:
+<a name="316" href="#316">316</a>                 root.setOrderNode(<strong>new</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/OrderQueryNode.html">OrderQueryNode</a>(root));
+<a name="317" href="#317">317</a>                 data = root.getOrderNode();
+<a name="318" href="#318">318</a>                 node.childrenAccept(<strong>this</strong>, data);
 <a name="319" href="#319">319</a>                 <strong>break</strong>;
-<a name="320" href="#320">320</a>             <strong>default</strong>:
-<a name="321" href="#321">321</a>                 <em class="comment">// per default traverse</em>
-<a name="322" href="#322">322</a>                 node.childrenAccept(<strong>this</strong>, data);
-<a name="323" href="#323">323</a>         }
-<a name="324" href="#324">324</a>         <strong>return</strong> data;
-<a name="325" href="#325">325</a>     }
-<a name="326" href="#326">326</a> 
-<a name="327" href="#327">327</a>     <em class="comment">//----------------------&lt; internal >----------------------------------------</em>
-<a name="328" href="#328">328</a> 
-<a name="329" href="#329">329</a>     <em>/**<em>*</em></em>
-<a name="330" href="#330">330</a> <em>     * Creates a &lt;code>LocationStepQueryNode&lt;/code> at the current position</em>
-<a name="331" href="#331">331</a> <em>     * in parent.</em>
-<a name="332" href="#332">332</a> <em>     *</em>
-<a name="333" href="#333">333</a> <em>     * @param node   the current node in the xpath syntax tree.</em>
-<a name="334" href="#334">334</a> <em>     * @param parent the parent &lt;code>PathQueryNode&lt;/code>.</em>
-<a name="335" href="#335">335</a> <em>     * @return the created &lt;code>LocationStepQueryNode&lt;/code>.</em>
-<a name="336" href="#336">336</a> <em>     */</em>
-<a name="337" href="#337">337</a>     <strong>private</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/LocationStepQueryNode.html">LocationStepQueryNode</a> createLocationStep(<a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> node, <a href="../../../../../../org/apache/jackrabbit/core/search/PathQueryNode.html">PathQueryNode</a> parent) {
-<a name="338" href="#338">338</a>         <a href="../../../../../../org/apache/jackrabbit/core/search/LocationStepQueryNode.html">LocationStepQueryNode</a> queryNode = <strong>null</strong>;
-<a name="339" href="#339">339</a>         <strong>boolean</strong> descenant = false;
-<a name="340" href="#340">340</a>         <a href="../../../../../../org/apache/jackrabbit/core/search/xpath/Node.html">Node</a> p = node.jjtGetParent();
-<a name="341" href="#341">341</a>         <strong>for</strong> (<strong>int</strong> i = 0; i &lt; p.jjtGetNumChildren(); i++) {
-<a name="342" href="#342">342</a>             <a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> c = (SimpleNode) p.jjtGetChild(i);
-<a name="343" href="#343">343</a>             <strong>if</strong> (c == node) {
-<a name="344" href="#344">344</a>                 queryNode = <strong>new</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/LocationStepQueryNode.html">LocationStepQueryNode</a>(parent, <strong>null</strong>, descenant);
-<a name="345" href="#345">345</a>                 parent.addPathStep(queryNode);
-<a name="346" href="#346">346</a>                 <strong>break</strong>;
-<a name="347" href="#347">347</a>             }
-<a name="348" href="#348">348</a>             descenant = (c.getId() == JJTSLASHSLASH
-<a name="349" href="#349">349</a>                     || c.getId() == JJTROOTDESCENDANTS);
-<a name="350" href="#350">350</a>         }
-<a name="351" href="#351">351</a> 
-<a name="352" href="#352">352</a>         node.childrenAccept(<strong>this</strong>, queryNode);
-<a name="353" href="#353">353</a> 
-<a name="354" href="#354">354</a>         <strong>return</strong> queryNode;
-<a name="355" href="#355">355</a>     }
-<a name="356" href="#356">356</a> 
-<a name="357" href="#357">357</a>     <em>/**<em>*</em></em>
-<a name="358" href="#358">358</a> <em>     * Creates a name test either for a &lt;code>LocationStepQueryNode&lt;/code> or</em>
-<a name="359" href="#359">359</a> <em>     * for a &lt;code>RelationQueryNode&lt;/code>.</em>
-<a name="360" href="#360">360</a> <em>     *</em>
-<a name="361" href="#361">361</a> <em>     * @param node      the current node in the xpath syntax tree.</em>
-<a name="362" href="#362">362</a> <em>     * @param queryNode either a &lt;code>LocationStepQueryNode&lt;/code> or a</em>
-<a name="363" href="#363">363</a> <em>     *                  &lt;code>RelationQueryNode&lt;/code>.</em>
-<a name="364" href="#364">364</a> <em>     */</em>
-<a name="365" href="#365">365</a>     <strong>private</strong> <strong>void</strong> createNameTest(<a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> node, <a href="../../../../../../org/apache/jackrabbit/core/search/QueryNode.html">QueryNode</a> queryNode) {
-<a name="366" href="#366">366</a>         <strong>if</strong> (node.jjtGetNumChildren() > 0) {
-<a name="367" href="#367">367</a>             <a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> child = (SimpleNode) node.jjtGetChild(0);
-<a name="368" href="#368">368</a>             <strong>if</strong> (child.getId() == JJTQNAME) {
-<a name="369" href="#369">369</a>                 <strong>try</strong> {
-<a name="370" href="#370">370</a>                     <strong>if</strong> (queryNode instanceof LocationStepQueryNode) {
-<a name="371" href="#371">371</a>                         <a href="../../../../../../org/apache/jackrabbit/core/QName.html">QName</a> name = ISO9075.decode(QName.fromJCRName(child.getValue(), resolver));
-<a name="372" href="#372">372</a>                         <strong>if</strong> (name.equals(JCR_ROOT)) {
-<a name="373" href="#373">373</a>                             name = <strong>new</strong> <a href="../../../../../../org/apache/jackrabbit/core/QName.html">QName</a>(<span class="string">""</span>, <span class="string">""</span>);
-<a name="374" href="#374">374</a>                         }
-<a name="375" href="#375">375</a>                         ((<a href="../../../../../../org/apache/jackrabbit/core/search/LocationStepQueryNode.html">LocationStepQueryNode</a>) queryNode).setNameTest(name);
-<a name="376" href="#376">376</a>                     } <strong>else</strong> <strong>if</strong> (queryNode instanceof RelationQueryNode) {
-<a name="377" href="#377">377</a>                         <a href="../../../../../../org/apache/jackrabbit/core/QName.html">QName</a> name = ISO9075.decode(QName.fromJCRName(child.getValue(), resolver));
-<a name="378" href="#378">378</a>                         ((<a href="../../../../../../org/apache/jackrabbit/core/search/RelationQueryNode.html">RelationQueryNode</a>) queryNode).setProperty(name);
-<a name="379" href="#379">379</a>                     } <strong>else</strong> <strong>if</strong> (queryNode instanceof PathQueryNode) {
-<a name="380" href="#380">380</a>                         <a href="../../../../../../org/apache/jackrabbit/core/QName.html">QName</a> name = ISO9075.decode(QName.fromJCRName(child.getValue(), resolver));
-<a name="381" href="#381">381</a>                         root.addSelectProperty(name);
-<a name="382" href="#382">382</a>                     } <strong>else</strong> <strong>if</strong> (queryNode instanceof OrderQueryNode) {
-<a name="383" href="#383">383</a>                         <a href="../../../../../../org/apache/jackrabbit/core/QName.html">QName</a> name = ISO9075.decode(QName.fromJCRName(child.getValue(), resolver));
-<a name="384" href="#384">384</a>                         root.getOrderNode().addOrderSpec(name, <strong>true</strong>);
-<a name="385" href="#385">385</a>                     }
-<a name="386" href="#386">386</a>                 } <strong>catch</strong> (IllegalNameException e) {
-<a name="387" href="#387">387</a>                     exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Illegal name: "</span> + child.getValue()));
-<a name="388" href="#388">388</a>                 } <strong>catch</strong> (UnknownPrefixException e) {
-<a name="389" href="#389">389</a>                     exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unknown prefix: "</span> + child.getValue()));
-<a name="390" href="#390">390</a>                 }
-<a name="391" href="#391">391</a>             } <strong>else</strong> <strong>if</strong> (child.getId() == JJTSTAR) {
-<a name="392" href="#392">392</a>                 <strong>if</strong> (queryNode instanceof LocationStepQueryNode) {
-<a name="393" href="#393">393</a>                     ((<a href="../../../../../../org/apache/jackrabbit/core/search/LocationStepQueryNode.html">LocationStepQueryNode</a>) queryNode).setNameTest(<strong>null</strong>);
-<a name="394" href="#394">394</a>                 }
-<a name="395" href="#395">395</a>             } <strong>else</strong> {
-<a name="396" href="#396">396</a>                 exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unsupported location for name test: "</span> + child));
-<a name="397" href="#397">397</a>             }
-<a name="398" href="#398">398</a>         }
-<a name="399" href="#399">399</a>     }
-<a name="400" href="#400">400</a> 
-<a name="401" href="#401">401</a>     <em>/**<em>*</em></em>
-<a name="402" href="#402">402</a> <em>     * Creates a new {@link org.apache.jackrabbit.core.search.RelationQueryNode}</em>
-<a name="403" href="#403">403</a> <em>     * with &lt;code>queryNode&lt;/code> as its parent node.</em>
-<a name="404" href="#404">404</a> <em>     *</em>
-<a name="405" href="#405">405</a> <em>     * @param node      a comparison expression node.</em>
-<a name="406" href="#406">406</a> <em>     * @param queryNode the current &lt;code>QueryNode&lt;/code>.</em>
-<a name="407" href="#407">407</a> <em>     */</em>
-<a name="408" href="#408">408</a>     <strong>private</strong> <strong>void</strong> createExpression(<a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> node, <a href="../../../../../../org/apache/jackrabbit/core/search/NAryQueryNode.html">NAryQueryNode</a> queryNode) {
-<a name="409" href="#409">409</a>         <strong>if</strong> (node.getId() != JJTCOMPARISONEXPR) {
-<a name="410" href="#410">410</a>             <strong>throw</strong> <strong>new</strong> IllegalArgumentException(<span class="string">"node must be of type ComparisonExpr"</span>);
-<a name="411" href="#411">411</a>         }
-<a name="412" href="#412">412</a>         <em class="comment">// get operation type</em>
-<a name="413" href="#413">413</a>         String opType = node.getValue();
-<a name="414" href="#414">414</a>         <em class="comment">// todo distinguish value vs. general comparison</em>
-<a name="415" href="#415">415</a>         <strong>int</strong> type = 0;
-<a name="416" href="#416">416</a>         <strong>if</strong> (opType.equals(OP_EQ)) {
-<a name="417" href="#417">417</a>             type = RelationQueryNode.OPERATION_EQ_VALUE;
-<a name="418" href="#418">418</a>         } <strong>else</strong> <strong>if</strong> (opType.equals(OP_SIGN_EQ)) {
-<a name="419" href="#419">419</a>             type = RelationQueryNode.OPERATION_EQ_GENERAL;
-<a name="420" href="#420">420</a>         } <strong>else</strong> <strong>if</strong> (opType.equals(OP_GE) || opType.equals(OP_SIGN_GE)) {
-<a name="421" href="#421">421</a>             type = RelationQueryNode.OPERATION_GE_VALUE;
-<a name="422" href="#422">422</a>         } <strong>else</strong> <strong>if</strong> (opType.equals(OP_GT) || opType.equals(OP_SIGN_GT)) {
-<a name="423" href="#423">423</a>             type = RelationQueryNode.OPERATION_GT_VALUE;
-<a name="424" href="#424">424</a>         } <strong>else</strong> <strong>if</strong> (opType.equals(OP_LE) || opType.equals(OP_SIGN_LE)) {
-<a name="425" href="#425">425</a>             type = RelationQueryNode.OPERATION_LE_VALUE;
-<a name="426" href="#426">426</a>         } <strong>else</strong> <strong>if</strong> (opType.equals(OP_LT) || opType.equals(OP_SIGN_LT)) {
-<a name="427" href="#427">427</a>             type = RelationQueryNode.OPERATION_LT_VALUE;
-<a name="428" href="#428">428</a>         } <strong>else</strong> <strong>if</strong> (opType.equals(OP_NE)) {
-<a name="429" href="#429">429</a>             type = RelationQueryNode.OPERATION_NE_VALUE;
-<a name="430" href="#430">430</a>         } <strong>else</strong> <strong>if</strong> (opType.equals(OP_SIGN_NE)) {
-<a name="431" href="#431">431</a>             type = RelationQueryNode.OPERATION_NE_GENERAL;
-<a name="432" href="#432">432</a>         } <strong>else</strong> {
-<a name="433" href="#433">433</a>             exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unsupported ComparisonExpr type:"</span> + node.getValue()));
-<a name="434" href="#434">434</a>         }
-<a name="435" href="#435">435</a> 
-<a name="436" href="#436">436</a>         <a href="../../../../../../org/apache/jackrabbit/core/search/RelationQueryNode.html">RelationQueryNode</a> rqn = <strong>new</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/RelationQueryNode.html">RelationQueryNode</a>(queryNode, type);
-<a name="437" href="#437">437</a> 
-<a name="438" href="#438">438</a>         <em class="comment">// traverse</em>
-<a name="439" href="#439">439</a>         node.childrenAccept(<strong>this</strong>, rqn);
-<a name="440" href="#440">440</a> 
-<a name="441" href="#441">441</a>         <em class="comment">// if property name is jcr:primaryType treat special</em>
-<a name="442" href="#442">442</a>         <strong>if</strong> (rqn.getProperty().equals(Constants.JCR_PRIMARYTYPE)) {
-<a name="443" href="#443">443</a>             <strong>if</strong> (rqn.getType() == RelationQueryNode.TYPE_STRING) {
-<a name="444" href="#444">444</a>                 <strong>try</strong> {
-<a name="445" href="#445">445</a>                     <a href="../../../../../../org/apache/jackrabbit/core/QName.html">QName</a> ntName = QName.fromJCRName(rqn.getStringValue(), resolver);
-<a name="446" href="#446">446</a>                     <a href="../../../../../../org/apache/jackrabbit/core/search/NodeTypeQueryNode.html">NodeTypeQueryNode</a> ntNode = <strong>new</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/NodeTypeQueryNode.html">NodeTypeQueryNode</a>(queryNode, ntName);
-<a name="447" href="#447">447</a>                     queryNode.addOperand(ntNode);
-<a name="448" href="#448">448</a>                 } <strong>catch</strong> (IllegalNameException e) {
-<a name="449" href="#449">449</a>                     exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Not a valid name: "</span> + rqn.getStringValue()));
-<a name="450" href="#450">450</a>                 } <strong>catch</strong> (UnknownPrefixException e) {
-<a name="451" href="#451">451</a>                     exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unknown prefix in name: "</span> + rqn.getStringValue()));
-<a name="452" href="#452">452</a>                 }
-<a name="453" href="#453">453</a>             } <strong>else</strong> {
-<a name="454" href="#454">454</a>                 <em class="comment">// value is not of type string</em>
-<a name="455" href="#455">455</a>                 exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Invalid type: jcr:primaryType must be a string"</span>));
-<a name="456" href="#456">456</a>             }
-<a name="457" href="#457">457</a>         } <strong>else</strong> {
-<a name="458" href="#458">458</a>             <em class="comment">// property name is &lt;> jcr:primaryType</em>
-<a name="459" href="#459">459</a>             queryNode.addOperand(rqn);
-<a name="460" href="#460">460</a>         }
-<a name="461" href="#461">461</a>     }
-<a name="462" href="#462">462</a> 
-<a name="463" href="#463">463</a>     <em>/**<em>*</em></em>
-<a name="464" href="#464">464</a> <em>     * Creates the primary path query node.</em>
-<a name="465" href="#465">465</a> <em>     *</em>
-<a name="466" href="#466">466</a> <em>     * @param node xpath node representing the root of the parsed tree.</em>
-<a name="467" href="#467">467</a> <em>     * @return</em>
-<a name="468" href="#468">468</a> <em>     */</em>
-<a name="469" href="#469">469</a>     <strong>private</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/PathQueryNode.html">PathQueryNode</a> createPathQueryNode(<a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> node) {
-<a name="470" href="#470">470</a>         root.setLocationNode(<strong>new</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/PathQueryNode.html">PathQueryNode</a>(root));
-<a name="471" href="#471">471</a>         node.childrenAccept(<strong>this</strong>, root.getLocationNode());
-<a name="472" href="#472">472</a>         <strong>return</strong> root.getLocationNode();
-<a name="473" href="#473">473</a>     }
-<a name="474" href="#474">474</a> 
-<a name="475" href="#475">475</a>     <em>/**<em>*</em></em>
-<a name="476" href="#476">476</a> <em>     * Assigns a value to the &lt;code>queryNode&lt;/code>.</em>
-<a name="477" href="#477">477</a> <em>     *</em>
-<a name="478" href="#478">478</a> <em>     * @param node      must be of type string, decimal, double or integer; otherwise</em>
-<a name="479" href="#479">479</a> <em>     *                  an InvalidQueryException is added to {@link #exceptions}.</em>
-<a name="480" href="#480">480</a> <em>     * @param queryNode current node in the query tree.</em>
-<a name="481" href="#481">481</a> <em>     */</em>
-<a name="482" href="#482">482</a>     <strong>private</strong> <strong>void</strong> assignValue(<a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> node, <a href="../../../../../../org/apache/jackrabbit/core/search/RelationQueryNode.html">RelationQueryNode</a> queryNode) {
-<a name="483" href="#483">483</a>         <strong>if</strong> (node.getId() == JJTSTRINGLITERAL) {
-<a name="484" href="#484">484</a>             String value = node.getValue().substring(1, node.getValue().length() - 1);
-<a name="485" href="#485">485</a>             <strong>if</strong> (node.getValue().charAt(0) == '&quot;') {
-<a name="486" href="#486">486</a>                 value = value.replaceAll(<span class="string">"\&quot;\&quot;"</span>, <span class="string">"\&quot;"</span>);
-<a name="487" href="#487">487</a>             } <strong>else</strong> {
-<a name="488" href="#488">488</a>                 value = value.replaceAll(<span class="string">"''"</span>, <span class="string">"'"</span>);
-<a name="489" href="#489">489</a>             }
-<a name="490" href="#490">490</a>             queryNode.setStringValue(value);
-<a name="491" href="#491">491</a>         } <strong>else</strong> <strong>if</strong> (node.getId() == JJTDECIMALLITERAL) {
-<a name="492" href="#492">492</a>             queryNode.setDoubleValue(Double.parseDouble(node.getValue()));
-<a name="493" href="#493">493</a>         } <strong>else</strong> <strong>if</strong> (node.getId() == JJTDOUBLELITERAL) {
-<a name="494" href="#494">494</a>             queryNode.setDoubleValue(Double.parseDouble(node.getValue()));
-<a name="495" href="#495">495</a>         } <strong>else</strong> <strong>if</strong> (node.getId() == JJTINTEGERLITERAL) {
-<a name="496" href="#496">496</a>             queryNode.setLongValue(Long.parseLong(node.getValue()));
-<a name="497" href="#497">497</a>         } <strong>else</strong> {
-<a name="498" href="#498">498</a>             exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unsupported literal type:"</span> + node.toString()));
-<a name="499" href="#499">499</a>         }
-<a name="500" href="#500">500</a>     }
-<a name="501" href="#501">501</a> 
-<a name="502" href="#502">502</a>     <em>/**<em>*</em></em>
-<a name="503" href="#503">503</a> <em>     * Creates a function based on &lt;code>node&lt;/code>.</em>
-<a name="504" href="#504">504</a> <em>     *</em>
-<a name="505" href="#505">505</a> <em>     * @param node      the function node from the xpath tree.</em>
-<a name="506" href="#506">506</a> <em>     * @param queryNode the current query node.</em>
-<a name="507" href="#507">507</a> <em>     * @return</em>
-<a name="508" href="#508">508</a> <em>     */</em>
-<a name="509" href="#509">509</a>     <strong>private</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/QueryNode.html">QueryNode</a> createFunction(<a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> node, <a href="../../../../../../org/apache/jackrabbit/core/search/QueryNode.html">QueryNode</a> queryNode) {
-<a name="510" href="#510">510</a>         <em class="comment">// find out function name</em>
-<a name="511" href="#511">511</a>         String fName = ((SimpleNode) node.jjtGetChild(0)).getValue();
-<a name="512" href="#512">512</a>         fName = fName.substring(0, fName.length() - 1);
-<a name="513" href="#513">513</a>         <strong>try</strong> {
-<a name="514" href="#514">514</a>             <strong>if</strong> (FN_NOT.toJCRName(resolver).equals(fName)
-<a name="515" href="#515">515</a>                     || FN_NOT_10.toJCRName(resolver).equals(fName)) {
-<a name="516" href="#516">516</a>                 <strong>if</strong> (queryNode instanceof NAryQueryNode) {
-<a name="517" href="#517">517</a>                     <a href="../../../../../../org/apache/jackrabbit/core/search/QueryNode.html">QueryNode</a> not = <strong>new</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/NotQueryNode.html">NotQueryNode</a>(queryNode);
-<a name="518" href="#518">518</a>                     ((<a href="../../../../../../org/apache/jackrabbit/core/search/NAryQueryNode.html">NAryQueryNode</a>) queryNode).addOperand(not);
-<a name="519" href="#519">519</a>                     <em class="comment">// @todo is this needed?</em>
-<a name="520" href="#520">520</a>                     queryNode = not;
-<a name="521" href="#521">521</a>                     <em class="comment">// traverse</em>
-<a name="522" href="#522">522</a>                     <strong>if</strong> (node.jjtGetNumChildren() == 2) {
-<a name="523" href="#523">523</a>                         node.jjtGetChild(1).jjtAccept(<strong>this</strong>, queryNode);
-<a name="524" href="#524">524</a>                     } <strong>else</strong> {
-<a name="525" href="#525">525</a>                         exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"fn:not only supports one expression argument"</span>));
-<a name="526" href="#526">526</a>                     }
-<a name="527" href="#527">527</a>                 } <strong>else</strong> {
-<a name="528" href="#528">528</a>                     exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unsupported location for function fn:not"</span>));
-<a name="529" href="#529">529</a>                 }
-<a name="530" href="#530">530</a>             } <strong>else</strong> <strong>if</strong> (XS_DATETIME.toJCRName(resolver).equals(fName)) {
-<a name="531" href="#531">531</a>                 <em class="comment">// check arguments</em>
-<a name="532" href="#532">532</a>                 <strong>if</strong> (node.jjtGetNumChildren() == 2) {
-<a name="533" href="#533">533</a>                     <strong>if</strong> (queryNode instanceof RelationQueryNode) {
-<a name="534" href="#534">534</a>                         <a href="../../../../../../org/apache/jackrabbit/core/search/RelationQueryNode.html">RelationQueryNode</a> rel = (RelationQueryNode) queryNode;
-<a name="535" href="#535">535</a>                         <a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> literal = (SimpleNode) node.jjtGetChild(1).jjtGetChild(0);
-<a name="536" href="#536">536</a>                         <strong>if</strong> (literal.getId() == JJTSTRINGLITERAL) {
-<a name="537" href="#537">537</a>                             String value = literal.getValue();
-<a name="538" href="#538">538</a>                             <em class="comment">// strip quotes</em>
-<a name="539" href="#539">539</a>                             value = value.substring(1, value.length() - 1);
-<a name="540" href="#540">540</a>                             Calendar c = ISO8601.parse(value);
-<a name="541" href="#541">541</a>                             <strong>if</strong> (c == <strong>null</strong>) {
-<a name="542" href="#542">542</a>                                 exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unable to parse string literal for xs:dateTime: "</span> + value));
-<a name="543" href="#543">543</a>                             } <strong>else</strong> {
-<a name="544" href="#544">544</a>                                 rel.setDateValue(c.getTime());
-<a name="545" href="#545">545</a>                             }
-<a name="546" href="#546">546</a>                         } <strong>else</strong> {
-<a name="547" href="#547">547</a>                             exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Wrong argument type for xs:dateTime"</span>));
-<a name="548" href="#548">548</a>                         }
-<a name="549" href="#549">549</a>                     } <strong>else</strong> {
-<a name="550" href="#550">550</a>                         exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unsupported location for function xs:dateTime"</span>));
-<a name="551" href="#551">551</a>                     }
-<a name="552" href="#552">552</a>                 } <strong>else</strong> {
-<a name="553" href="#553">553</a>                     <em class="comment">// wrong number of arguments</em>
-<a name="554" href="#554">554</a>                     exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Wrong number of arguments for xs:dateTime"</span>));
-<a name="555" href="#555">555</a>                 }
-<a name="556" href="#556">556</a>             } <strong>else</strong> <strong>if</strong> (JCRFN_CONTAINS.toJCRName(resolver).equals(fName)) {
-<a name="557" href="#557">557</a>                 <em class="comment">// check number of arguments</em>
-<a name="558" href="#558">558</a>                 <strong>if</strong> (node.jjtGetNumChildren() == 2) {
-<a name="559" href="#559">559</a>                     <a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> literal = (SimpleNode) node.jjtGetChild(1).jjtGetChild(0);
-<a name="560" href="#560">560</a>                     <strong>if</strong> (queryNode instanceof NAryQueryNode) {
-<a name="561" href="#561">561</a>                         <strong>if</strong> (literal.getId() == JJTSTRINGLITERAL) {
-<a name="562" href="#562">562</a>                             String value = literal.getValue();
-<a name="563" href="#563">563</a>                             <em class="comment">// strip quotes</em>
-<a name="564" href="#564">564</a>                             value = value.substring(1, value.length() - 1);
-<a name="565" href="#565">565</a>                             <a href="../../../../../../org/apache/jackrabbit/core/search/TextsearchQueryNode.html">TextsearchQueryNode</a> contains = <strong>new</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/TextsearchQueryNode.html">TextsearchQueryNode</a>(queryNode, value);
-<a name="566" href="#566">566</a>                             ((<a href="../../../../../../org/apache/jackrabbit/core/search/NAryQueryNode.html">NAryQueryNode</a>) queryNode).addOperand(contains);
-<a name="567" href="#567">567</a>                         } <strong>else</strong> {
-<a name="568" href="#568">568</a>                             exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Wrong argument type for jcrfn:contains"</span>));
-<a name="569" href="#569">569</a>                         }
-<a name="570" href="#570">570</a>                     } <strong>else</strong> {
-<a name="571" href="#571">571</a>                         exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unsupported location for function jcrfn:contains"</span>));
-<a name="572" href="#572">572</a>                     }
-<a name="573" href="#573">573</a>                 } <strong>else</strong> {
-<a name="574" href="#574">574</a>                     <em class="comment">// wrong number of arguments</em>
-<a name="575" href="#575">575</a>                     exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Wrong number of arguments for jcrfn:contains"</span>));
-<a name="576" href="#576">576</a>                 }
-<a name="577" href="#577">577</a>             } <strong>else</strong> <strong>if</strong> (JCRFN_LIKE.toJCRName(resolver).equals(fName)) {
-<a name="578" href="#578">578</a>                 <em class="comment">// check number of arguments</em>
-<a name="579" href="#579">579</a>                 <strong>if</strong> (node.jjtGetNumChildren() == 3) {
-<a name="580" href="#580">580</a>                     <strong>if</strong> (queryNode instanceof NAryQueryNode) {
-<a name="581" href="#581">581</a>                         <a href="../../../../../../org/apache/jackrabbit/core/search/RelationQueryNode.html">RelationQueryNode</a> like = <strong>new</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/RelationQueryNode.html">RelationQueryNode</a>(queryNode, RelationQueryNode.OPERATION_LIKE);
-<a name="582" href="#582">582</a>                         ((<a href="../../../../../../org/apache/jackrabbit/core/search/NAryQueryNode.html">NAryQueryNode</a>) queryNode).addOperand(like);
-<a name="583" href="#583">583</a> 
-<a name="584" href="#584">584</a>                         <em class="comment">// assign property name</em>
-<a name="585" href="#585">585</a>                         node.jjtGetChild(1).jjtAccept(<strong>this</strong>, like);
-<a name="586" href="#586">586</a>                         <em class="comment">// check property name</em>
-<a name="587" href="#587">587</a>                         <strong>if</strong> (like.getProperty() == <strong>null</strong>) {
-<a name="588" href="#588">588</a>                             exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Wrong first argument type for jcrfn:like"</span>));
-<a name="589" href="#589">589</a>                         }
-<a name="590" href="#590">590</a> 
-<a name="591" href="#591">591</a>                         <a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> literal = (SimpleNode) node.jjtGetChild(2).jjtGetChild(0);
-<a name="592" href="#592">592</a>                         <strong>if</strong> (literal.getId() == JJTSTRINGLITERAL) {
-<a name="593" href="#593">593</a>                             String value = literal.getValue();
-<a name="594" href="#594">594</a>                             <em class="comment">// strip quotes</em>
-<a name="595" href="#595">595</a>                             value = value.substring(1, value.length() - 1);
-<a name="596" href="#596">596</a>                             like.setStringValue(value);
-<a name="597" href="#597">597</a>                         } <strong>else</strong> {
-<a name="598" href="#598">598</a>                             exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Wrong second argument type for jcrfn:like"</span>));
-<a name="599" href="#599">599</a>                         }
-<a name="600" href="#600">600</a>                     } <strong>else</strong> {
-<a name="601" href="#601">601</a>                         exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unsupported location for function jcrfn:like"</span>));
-<a name="602" href="#602">602</a>                     }
-<a name="603" href="#603">603</a>                 } <strong>else</strong> {
-<a name="604" href="#604">604</a>                     <em class="comment">// wrong number of arguments</em>
-<a name="605" href="#605">605</a>                     exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Wrong number of arguments for jcrfn:like"</span>));
-<a name="606" href="#606">606</a>                 }
-<a name="607" href="#607">607</a>             } <strong>else</strong> {
-<a name="608" href="#608">608</a>                 exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unsupported function: "</span> + fName));
-<a name="609" href="#609">609</a>             }
-<a name="610" href="#610">610</a>         } <strong>catch</strong> (NoPrefixDeclaredException e) {
-<a name="611" href="#611">611</a>             exceptions.add(e);
-<a name="612" href="#612">612</a>         }
-<a name="613" href="#613">613</a>         <strong>return</strong> queryNode;
-<a name="614" href="#614">614</a>     }
-<a name="615" href="#615">615</a> 
-<a name="616" href="#616">616</a>     <strong>private</strong> OrderQueryNode.OrderSpec createOrderSpec(<a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> node,
-<a name="617" href="#617">617</a>                                                      <a href="../../../../../../org/apache/jackrabbit/core/search/OrderQueryNode.html">OrderQueryNode</a> queryNode) {
-<a name="618" href="#618">618</a>         <a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> child = (SimpleNode) node.jjtGetChild(0);
-<a name="619" href="#619">619</a>         OrderQueryNode.OrderSpec spec = <strong>null</strong>;
-<a name="620" href="#620">620</a>         <strong>try</strong> {
-<a name="621" href="#621">621</a>             <a href="../../../../../../org/apache/jackrabbit/core/QName.html">QName</a> name = ISO9075.decode(QName.fromJCRName(child.getValue(), resolver));
-<a name="622" href="#622">622</a>             spec = <strong>new</strong> OrderQueryNode.OrderSpec(name, <strong>true</strong>);
-<a name="623" href="#623">623</a>             queryNode.addOrderSpec(spec);
-<a name="624" href="#624">624</a>         } <strong>catch</strong> (IllegalNameException e) {
-<a name="625" href="#625">625</a>             exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Illegal name: "</span> + child.getValue()));
-<a name="626" href="#626">626</a>         } <strong>catch</strong> (UnknownPrefixException e) {
-<a name="627" href="#627">627</a>             exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unknown prefix: "</span> + child.getValue()));
-<a name="628" href="#628">628</a>         }
-<a name="629" href="#629">629</a>         <strong>return</strong> spec;
-<a name="630" href="#630">630</a>     }
-<a name="631" href="#631">631</a> 
-<a name="632" href="#632">632</a>     <em>/**<em>*</em></em>
-<a name="633" href="#633">633</a> <em>     * Returns true if &lt;code>node&lt;/code> has a child node which is the attribute</em>
-<a name="634" href="#634">634</a> <em>     * axis.</em>
-<a name="635" href="#635">635</a> <em>     *</em>
-<a name="636" href="#636">636</a> <em>     * @param node a node with type {@link org.apache.jackrabbit.core.search.xpath.XPathTreeConstants.JJTSTEPEXPR}.</em>
-<a name="637" href="#637">637</a> <em>     * @return &lt;code>true&lt;/code> if this step expression uses the attribute axis.</em>
-<a name="638" href="#638">638</a> <em>     */</em>
-<a name="639" href="#639">639</a>     <strong>private</strong> <strong>boolean</strong> isAttributeAxis(<a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> node) {
-<a name="640" href="#640">640</a>         <strong>for</strong> (<strong>int</strong> i = 0; i &lt; node.jjtGetNumChildren(); i++) {
-<a name="641" href="#641">641</a>             <strong>if</strong> (((SimpleNode) node.jjtGetChild(i)).getId() == JJTAT) {
-<a name="642" href="#642">642</a>                 <strong>return</strong> <strong>true</strong>;
-<a name="643" href="#643">643</a>             }
-<a name="644" href="#644">644</a>         }
-<a name="645" href="#645">645</a>         <strong>return</strong> false;
-<a name="646" href="#646">646</a>     }
-<a name="647" href="#647">647</a> 
-<a name="648" href="#648">648</a> }
+<a name="320" href="#320">320</a>             <strong>case</strong> JJTORDERMODIFIER:
+<a name="321" href="#321">321</a>                 <strong>if</strong> (node.jjtGetNumChildren() > 0
+<a name="322" href="#322">322</a>                         &amp;&amp; ((SimpleNode) node.jjtGetChild(0)) .getId() == JJTDESCENDING) {
+<a name="323" href="#323">323</a>                     OrderQueryNode.OrderSpec[] specs = ((OrderQueryNode) data).getOrderSpecs();
+<a name="324" href="#324">324</a>                     specs[specs.length - 1].setAscending(false);
+<a name="325" href="#325">325</a>                 }
+<a name="326" href="#326">326</a>                 <strong>break</strong>;
+<a name="327" href="#327">327</a>             <strong>default</strong>:
+<a name="328" href="#328">328</a>                 <em class="comment">// per default traverse</em>
+<a name="329" href="#329">329</a>                 node.childrenAccept(<strong>this</strong>, data);
+<a name="330" href="#330">330</a>         }
+<a name="331" href="#331">331</a>         <strong>return</strong> data;
+<a name="332" href="#332">332</a>     }
+<a name="333" href="#333">333</a> 
+<a name="334" href="#334">334</a>     <em class="comment">//----------------------&lt; internal >----------------------------------------</em>
+<a name="335" href="#335">335</a> 
+<a name="336" href="#336">336</a>     <em>/**<em>*</em></em>
+<a name="337" href="#337">337</a> <em>     * Creates a &lt;code>LocationStepQueryNode&lt;/code> at the current position</em>
+<a name="338" href="#338">338</a> <em>     * in parent.</em>
+<a name="339" href="#339">339</a> <em>     *</em>
+<a name="340" href="#340">340</a> <em>     * @param node the current node in the xpath syntax tree.</em>
+<a name="341" href="#341">341</a> <em>     * @param parent the parent &lt;code>PathQueryNode&lt;/code>.</em>
+<a name="342" href="#342">342</a> <em>     * @return the created &lt;code>LocationStepQueryNode&lt;/code>.</em>
+<a name="343" href="#343">343</a> <em>     */</em>
+<a name="344" href="#344">344</a>     <strong>private</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/LocationStepQueryNode.html">LocationStepQueryNode</a> createLocationStep(<a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> node, <a href="../../../../../../org/apache/jackrabbit/core/search/PathQueryNode.html">PathQueryNode</a> parent) {
+<a name="345" href="#345">345</a>         <a href="../../../../../../org/apache/jackrabbit/core/search/LocationStepQueryNode.html">LocationStepQueryNode</a> queryNode = <strong>null</strong>;
+<a name="346" href="#346">346</a>         <strong>boolean</strong> descenant = false;
+<a name="347" href="#347">347</a>         <a href="../../../../../../org/apache/jackrabbit/core/search/xpath/Node.html">Node</a> p = node.jjtGetParent();
+<a name="348" href="#348">348</a>         <strong>for</strong> (<strong>int</strong> i = 0; i &lt; p.jjtGetNumChildren(); i++) {
+<a name="349" href="#349">349</a>             <a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> c = (SimpleNode) p.jjtGetChild(i);
+<a name="350" href="#350">350</a>             <strong>if</strong> (c == node) {
+<a name="351" href="#351">351</a>                 queryNode = <strong>new</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/LocationStepQueryNode.html">LocationStepQueryNode</a>(parent, <strong>null</strong>, descenant);
+<a name="352" href="#352">352</a>                 parent.addPathStep(queryNode);
+<a name="353" href="#353">353</a>                 <strong>break</strong>;
+<a name="354" href="#354">354</a>             }
+<a name="355" href="#355">355</a>             descenant = (c.getId() == JJTSLASHSLASH
+<a name="356" href="#356">356</a>                     || c.getId() == JJTROOTDESCENDANTS);
+<a name="357" href="#357">357</a>         }
+<a name="358" href="#358">358</a> 
+<a name="359" href="#359">359</a>         node.childrenAccept(<strong>this</strong>, queryNode);
+<a name="360" href="#360">360</a> 
+<a name="361" href="#361">361</a>         <strong>return</strong> queryNode;
+<a name="362" href="#362">362</a>     }
+<a name="363" href="#363">363</a> 
+<a name="364" href="#364">364</a>     <em>/**<em>*</em></em>
+<a name="365" href="#365">365</a> <em>     * Creates a name test either for a &lt;code>LocationStepQueryNode&lt;/code> or</em>
+<a name="366" href="#366">366</a> <em>     * for a &lt;code>RelationQueryNode&lt;/code>.</em>
+<a name="367" href="#367">367</a> <em>     *</em>
+<a name="368" href="#368">368</a> <em>     * @param node the current node in the xpath syntax tree.</em>
+<a name="369" href="#369">369</a> <em>     * @param queryNode either a &lt;code>LocationStepQueryNode&lt;/code> or a</em>
+<a name="370" href="#370">370</a> <em>     *   &lt;code>RelationQueryNode&lt;/code>.</em>
+<a name="371" href="#371">371</a> <em>     */</em>
+<a name="372" href="#372">372</a>     <strong>private</strong> <strong>void</strong> createNameTest(<a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> node, <a href="../../../../../../org/apache/jackrabbit/core/search/QueryNode.html">QueryNode</a> queryNode) {
+<a name="373" href="#373">373</a>         <strong>if</strong> (node.jjtGetNumChildren() > 0) {
+<a name="374" href="#374">374</a>             <a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> child = (SimpleNode) node.jjtGetChild(0);
+<a name="375" href="#375">375</a>             <strong>if</strong> (child.getId() == JJTQNAME) {
+<a name="376" href="#376">376</a>                 <strong>try</strong> {
+<a name="377" href="#377">377</a>                     <strong>if</strong> (queryNode instanceof LocationStepQueryNode) {
+<a name="378" href="#378">378</a>                         <a href="../../../../../../org/apache/jackrabbit/core/QName.html">QName</a> name = ISO9075.decode(QName.fromJCRName(child.getValue(), resolver));
+<a name="379" href="#379">379</a>                         <strong>if</strong> (name.equals(JCR_ROOT)) {
+<a name="380" href="#380">380</a>                             name = <strong>new</strong> <a href="../../../../../../org/apache/jackrabbit/core/QName.html">QName</a>(<span class="string">""</span>, <span class="string">""</span>);
+<a name="381" href="#381">381</a>                         }
+<a name="382" href="#382">382</a>                         ((<a href="../../../../../../org/apache/jackrabbit/core/search/LocationStepQueryNode.html">LocationStepQueryNode</a>) queryNode).setNameTest(name);
+<a name="383" href="#383">383</a>                     } <strong>else</strong> <strong>if</strong> (queryNode instanceof RelationQueryNode) {
+<a name="384" href="#384">384</a>                         <a href="../../../../../../org/apache/jackrabbit/core/QName.html">QName</a> name = ISO9075.decode(QName.fromJCRName(child.getValue(), resolver));
+<a name="385" href="#385">385</a>                         ((<a href="../../../../../../org/apache/jackrabbit/core/search/RelationQueryNode.html">RelationQueryNode</a>) queryNode).setProperty(name);
+<a name="386" href="#386">386</a>                     } <strong>else</strong> <strong>if</strong> (queryNode instanceof PathQueryNode) {
+<a name="387" href="#387">387</a>                         <a href="../../../../../../org/apache/jackrabbit/core/QName.html">QName</a> name = ISO9075.decode(QName.fromJCRName(child.getValue(), resolver));
+<a name="388" href="#388">388</a>                         root.addSelectProperty(name);
+<a name="389" href="#389">389</a>                     } <strong>else</strong> <strong>if</strong> (queryNode instanceof OrderQueryNode) {
+<a name="390" href="#390">390</a>                         <a href="../../../../../../org/apache/jackrabbit/core/QName.html">QName</a> name = ISO9075.decode(QName.fromJCRName(child.getValue(), resolver));
+<a name="391" href="#391">391</a>                         root.getOrderNode().addOrderSpec(name, <strong>true</strong>);
+<a name="392" href="#392">392</a>                     }
+<a name="393" href="#393">393</a>                 } <strong>catch</strong> (IllegalNameException e) {
+<a name="394" href="#394">394</a>                     exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Illegal name: "</span> + child.getValue()));
+<a name="395" href="#395">395</a>                 } <strong>catch</strong> (UnknownPrefixException e) {
+<a name="396" href="#396">396</a>                     exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unknown prefix: "</span> + child.getValue()));
+<a name="397" href="#397">397</a>                 }
+<a name="398" href="#398">398</a>             } <strong>else</strong> <strong>if</strong> (child.getId() == JJTSTAR) {
+<a name="399" href="#399">399</a>                 <strong>if</strong> (queryNode instanceof LocationStepQueryNode) {
+<a name="400" href="#400">400</a>                     ((<a href="../../../../../../org/apache/jackrabbit/core/search/LocationStepQueryNode.html">LocationStepQueryNode</a>) queryNode).setNameTest(<strong>null</strong>);
+<a name="401" href="#401">401</a>                 }
+<a name="402" href="#402">402</a>             } <strong>else</strong> {
+<a name="403" href="#403">403</a>                 exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unsupported location for name test: "</span> + child));
+<a name="404" href="#404">404</a>             }
+<a name="405" href="#405">405</a>         }
+<a name="406" href="#406">406</a>     }
+<a name="407" href="#407">407</a> 
+<a name="408" href="#408">408</a>     <em>/**<em>*</em></em>
+<a name="409" href="#409">409</a> <em>     * Creates a new {@link org.apache.jackrabbit.core.search.RelationQueryNode}</em>
+<a name="410" href="#410">410</a> <em>     * with &lt;code>queryNode&lt;/code> as its parent node.</em>
+<a name="411" href="#411">411</a> <em>     *</em>
+<a name="412" href="#412">412</a> <em>     * @param node a comparison expression node.</em>
+<a name="413" href="#413">413</a> <em>     * @param queryNode the current &lt;code>QueryNode&lt;/code>.</em>
+<a name="414" href="#414">414</a> <em>     */</em>
+<a name="415" href="#415">415</a>     <strong>private</strong> <strong>void</strong> createExpression(<a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> node, <a href="../../../../../../org/apache/jackrabbit/core/search/NAryQueryNode.html">NAryQueryNode</a> queryNode) {
+<a name="416" href="#416">416</a>         <strong>if</strong> (node.getId() != JJTCOMPARISONEXPR) {
+<a name="417" href="#417">417</a>             <strong>throw</strong> <strong>new</strong> IllegalArgumentException(<span class="string">"node must be of type ComparisonExpr"</span>);
+<a name="418" href="#418">418</a>         }
+<a name="419" href="#419">419</a>         <em class="comment">// get operation type</em>
+<a name="420" href="#420">420</a>         String opType = node.getValue();
+<a name="421" href="#421">421</a>         <em class="comment">// todo distinguish value vs. general comparison</em>
+<a name="422" href="#422">422</a>         <strong>int</strong> type = 0;
+<a name="423" href="#423">423</a>         <strong>if</strong> (opType.equals(OP_EQ)) {
+<a name="424" href="#424">424</a>             type = RelationQueryNode.OPERATION_EQ_VALUE;
+<a name="425" href="#425">425</a>         } <strong>else</strong> <strong>if</strong> (opType.equals(OP_SIGN_EQ)) {
+<a name="426" href="#426">426</a>             type = RelationQueryNode.OPERATION_EQ_GENERAL;
+<a name="427" href="#427">427</a>         } <strong>else</strong> <strong>if</strong> (opType.equals(OP_GE) || opType.equals(OP_SIGN_GE)) {
+<a name="428" href="#428">428</a>             type = RelationQueryNode.OPERATION_GE_VALUE;
+<a name="429" href="#429">429</a>         } <strong>else</strong> <strong>if</strong> (opType.equals(OP_GT) || opType.equals(OP_SIGN_GT)) {
+<a name="430" href="#430">430</a>             type = RelationQueryNode.OPERATION_GT_VALUE;
+<a name="431" href="#431">431</a>         } <strong>else</strong> <strong>if</strong> (opType.equals(OP_LE) || opType.equals(OP_SIGN_LE)) {
+<a name="432" href="#432">432</a>             type = RelationQueryNode.OPERATION_LE_VALUE;
+<a name="433" href="#433">433</a>         } <strong>else</strong> <strong>if</strong> (opType.equals(OP_LT) || opType.equals(OP_SIGN_LT)) {
+<a name="434" href="#434">434</a>             type = RelationQueryNode.OPERATION_LT_VALUE;
+<a name="435" href="#435">435</a>         } <strong>else</strong> <strong>if</strong> (opType.equals(OP_NE)) {
+<a name="436" href="#436">436</a>             type = RelationQueryNode.OPERATION_NE_VALUE;
+<a name="437" href="#437">437</a>         } <strong>else</strong> <strong>if</strong> (opType.equals(OP_SIGN_NE)) {
+<a name="438" href="#438">438</a>             type = RelationQueryNode.OPERATION_NE_GENERAL;
+<a name="439" href="#439">439</a>         } <strong>else</strong> {
+<a name="440" href="#440">440</a>             exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unsupported ComparisonExpr type:"</span> + node.getValue()));
+<a name="441" href="#441">441</a>         }
+<a name="442" href="#442">442</a> 
+<a name="443" href="#443">443</a>         <a href="../../../../../../org/apache/jackrabbit/core/search/RelationQueryNode.html">RelationQueryNode</a> rqn = <strong>new</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/RelationQueryNode.html">RelationQueryNode</a>(queryNode, type);
+<a name="444" href="#444">444</a> 
+<a name="445" href="#445">445</a>         <em class="comment">// traverse</em>
+<a name="446" href="#446">446</a>         node.childrenAccept(<strong>this</strong>, rqn);
+<a name="447" href="#447">447</a> 
+<a name="448" href="#448">448</a>         <em class="comment">// if property name is jcr:primaryType treat special</em>
+<a name="449" href="#449">449</a>         <strong>if</strong> (Constants.JCR_PRIMARYTYPE.equals(rqn.getProperty())) {
+<a name="450" href="#450">450</a>             <strong>if</strong> (rqn.getType() == RelationQueryNode.TYPE_STRING) {
+<a name="451" href="#451">451</a>                 <strong>try</strong> {
+<a name="452" href="#452">452</a>                     <a href="../../../../../../org/apache/jackrabbit/core/QName.html">QName</a> ntName = QName.fromJCRName(rqn.getStringValue(), resolver);
+<a name="453" href="#453">453</a>                     <a href="../../../../../../org/apache/jackrabbit/core/search/NodeTypeQueryNode.html">NodeTypeQueryNode</a> ntNode = <strong>new</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/NodeTypeQueryNode.html">NodeTypeQueryNode</a>(queryNode, ntName);
+<a name="454" href="#454">454</a>                     queryNode.addOperand(ntNode);
+<a name="455" href="#455">455</a>                 } <strong>catch</strong> (IllegalNameException e) {
+<a name="456" href="#456">456</a>                     exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Not a valid name: "</span> + rqn.getStringValue()));
+<a name="457" href="#457">457</a>                 } <strong>catch</strong> (UnknownPrefixException e) {
+<a name="458" href="#458">458</a>                     exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unknown prefix in name: "</span> + rqn.getStringValue()));
+<a name="459" href="#459">459</a>                 }
+<a name="460" href="#460">460</a>             } <strong>else</strong> {
+<a name="461" href="#461">461</a>                 <em class="comment">// value is not of type string</em>
+<a name="462" href="#462">462</a>                 exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Invalid type: jcr:primaryType must be a string"</span>));
+<a name="463" href="#463">463</a>             }
+<a name="464" href="#464">464</a>         } <strong>else</strong> {
+<a name="465" href="#465">465</a>             <em class="comment">// property name is &lt;> jcr:primaryType</em>
+<a name="466" href="#466">466</a>             queryNode.addOperand(rqn);
+<a name="467" href="#467">467</a>         }
+<a name="468" href="#468">468</a>     }
+<a name="469" href="#469">469</a> 
+<a name="470" href="#470">470</a>     <em>/**<em>*</em></em>
+<a name="471" href="#471">471</a> <em>     * Creates the primary path query node.</em>
+<a name="472" href="#472">472</a> <em>     *</em>
+<a name="473" href="#473">473</a> <em>     * @param node xpath node representing the root of the parsed tree.</em>
+<a name="474" href="#474">474</a> <em>     * @return</em>
+<a name="475" href="#475">475</a> <em>     */</em>
+<a name="476" href="#476">476</a>     <strong>private</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/PathQueryNode.html">PathQueryNode</a> createPathQueryNode(<a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> node) {
+<a name="477" href="#477">477</a>         root.setLocationNode(<strong>new</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/PathQueryNode.html">PathQueryNode</a>(root));
+<a name="478" href="#478">478</a>         node.childrenAccept(<strong>this</strong>, root.getLocationNode());
+<a name="479" href="#479">479</a>         <strong>return</strong> root.getLocationNode();
+<a name="480" href="#480">480</a>     }
+<a name="481" href="#481">481</a> 
+<a name="482" href="#482">482</a>     <em>/**<em>*</em></em>
+<a name="483" href="#483">483</a> <em>     * Assigns a value to the &lt;code>queryNode&lt;/code>.</em>
+<a name="484" href="#484">484</a> <em>     *</em>
+<a name="485" href="#485">485</a> <em>     * @param node must be of type string, decimal, double or integer; otherwise</em>
+<a name="486" href="#486">486</a> <em>     *   an InvalidQueryException is added to {@link #exceptions}.</em>
+<a name="487" href="#487">487</a> <em>     * @param queryNode current node in the query tree.</em>
+<a name="488" href="#488">488</a> <em>     */</em>
+<a name="489" href="#489">489</a>     <strong>private</strong> <strong>void</strong> assignValue(<a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> node, <a href="../../../../../../org/apache/jackrabbit/core/search/RelationQueryNode.html">RelationQueryNode</a> queryNode) {
+<a name="490" href="#490">490</a>         <strong>if</strong> (node.getId() == JJTSTRINGLITERAL) {
+<a name="491" href="#491">491</a>             String value = node.getValue().substring(1, node.getValue().length() - 1);
+<a name="492" href="#492">492</a>             <strong>if</strong> (node.getValue().charAt(0) == '&quot;') {
+<a name="493" href="#493">493</a>                 value = value.replaceAll(<span class="string">"\&quot;\&quot;"</span>, <span class="string">"\&quot;"</span>);
+<a name="494" href="#494">494</a>             } <strong>else</strong> {
+<a name="495" href="#495">495</a>                 value = value.replaceAll(<span class="string">"''"</span>, <span class="string">"'"</span>);
+<a name="496" href="#496">496</a>             }
+<a name="497" href="#497">497</a>             queryNode.setStringValue(value);
+<a name="498" href="#498">498</a>         } <strong>else</strong> <strong>if</strong> (node.getId() == JJTDECIMALLITERAL) {
+<a name="499" href="#499">499</a>             queryNode.setDoubleValue(Double.parseDouble(node.getValue()));
+<a name="500" href="#500">500</a>         } <strong>else</strong> <strong>if</strong> (node.getId() == JJTDOUBLELITERAL) {
+<a name="501" href="#501">501</a>             queryNode.setDoubleValue(Double.parseDouble(node.getValue()));
+<a name="502" href="#502">502</a>         } <strong>else</strong> <strong>if</strong> (node.getId() == JJTINTEGERLITERAL) {
+<a name="503" href="#503">503</a>             queryNode.setLongValue(Long.parseLong(node.getValue()));
+<a name="504" href="#504">504</a>         } <strong>else</strong> {
+<a name="505" href="#505">505</a>             exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unsupported literal type:"</span> + node.toString()));
+<a name="506" href="#506">506</a>         }
+<a name="507" href="#507">507</a>     }
+<a name="508" href="#508">508</a> 
+<a name="509" href="#509">509</a>     <em>/**<em>*</em></em>
+<a name="510" href="#510">510</a> <em>     * Creates a function based on &lt;code>node&lt;/code>.</em>
+<a name="511" href="#511">511</a> <em>     *</em>
+<a name="512" href="#512">512</a> <em>     * @param node the function node from the xpath tree.</em>
+<a name="513" href="#513">513</a> <em>     * @param queryNode the current query node.</em>
+<a name="514" href="#514">514</a> <em>     * @return</em>
+<a name="515" href="#515">515</a> <em>     */</em>
+<a name="516" href="#516">516</a>     <strong>private</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/QueryNode.html">QueryNode</a> createFunction(<a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> node, <a href="../../../../../../org/apache/jackrabbit/core/search/QueryNode.html">QueryNode</a> queryNode) {
+<a name="517" href="#517">517</a>         <em class="comment">// find out function name</em>
+<a name="518" href="#518">518</a>         String fName = ((SimpleNode) node.jjtGetChild(0)).getValue();
+<a name="519" href="#519">519</a>         fName = fName.substring(0, fName.length() - 1);
+<a name="520" href="#520">520</a>         <strong>try</strong> {
+<a name="521" href="#521">521</a>             <strong>if</strong> (FN_NOT.toJCRName(resolver).equals(fName)
+<a name="522" href="#522">522</a>                     || FN_NOT_10.toJCRName(resolver).equals(fName)) {
+<a name="523" href="#523">523</a>                 <strong>if</strong> (queryNode instanceof NAryQueryNode) {
+<a name="524" href="#524">524</a>                     <a href="../../../../../../org/apache/jackrabbit/core/search/QueryNode.html">QueryNode</a> not = <strong>new</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/NotQueryNode.html">NotQueryNode</a>(queryNode);
+<a name="525" href="#525">525</a>                     ((<a href="../../../../../../org/apache/jackrabbit/core/search/NAryQueryNode.html">NAryQueryNode</a>) queryNode).addOperand(not);
+<a name="526" href="#526">526</a>                     <em class="comment">// @todo is this needed?</em>
+<a name="527" href="#527">527</a>                     queryNode = not;
+<a name="528" href="#528">528</a>                     <em class="comment">// traverse</em>
+<a name="529" href="#529">529</a>                     <strong>if</strong> (node.jjtGetNumChildren() == 2) {
+<a name="530" href="#530">530</a>                         node.jjtGetChild(1).jjtAccept(<strong>this</strong>, queryNode);
+<a name="531" href="#531">531</a>                     } <strong>else</strong> {
+<a name="532" href="#532">532</a>                         exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"fn:not only supports one expression argument"</span>));
+<a name="533" href="#533">533</a>                     }
+<a name="534" href="#534">534</a>                 } <strong>else</strong> {
+<a name="535" href="#535">535</a>                     exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unsupported location for function fn:not"</span>));
+<a name="536" href="#536">536</a>                 }
+<a name="537" href="#537">537</a>             } <strong>else</strong> <strong>if</strong> (XS_DATETIME.toJCRName(resolver).equals(fName)) {
+<a name="538" href="#538">538</a>                 <em class="comment">// check arguments</em>
+<a name="539" href="#539">539</a>                 <strong>if</strong> (node.jjtGetNumChildren() == 2) {
+<a name="540" href="#540">540</a>                     <strong>if</strong> (queryNode instanceof RelationQueryNode) {
+<a name="541" href="#541">541</a>                         <a href="../../../../../../org/apache/jackrabbit/core/search/RelationQueryNode.html">RelationQueryNode</a> rel = (RelationQueryNode) queryNode;
+<a name="542" href="#542">542</a>                         <a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> literal = (SimpleNode) node.jjtGetChild(1).jjtGetChild(0);
+<a name="543" href="#543">543</a>                         <strong>if</strong> (literal.getId() == JJTSTRINGLITERAL) {
+<a name="544" href="#544">544</a>                             String value = literal.getValue();
+<a name="545" href="#545">545</a>                             <em class="comment">// strip quotes</em>
+<a name="546" href="#546">546</a>                             value = value.substring(1, value.length() - 1);
+<a name="547" href="#547">547</a>                             Calendar c = ISO8601.parse(value);
+<a name="548" href="#548">548</a>                             <strong>if</strong> (c == <strong>null</strong>) {
+<a name="549" href="#549">549</a>                                 exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unable to parse string literal for xs:dateTime: "</span> + value));
+<a name="550" href="#550">550</a>                             } <strong>else</strong> {
+<a name="551" href="#551">551</a>                                 rel.setDateValue(c.getTime());
+<a name="552" href="#552">552</a>                             }
+<a name="553" href="#553">553</a>                         } <strong>else</strong> {
+<a name="554" href="#554">554</a>                             exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Wrong argument type for xs:dateTime"</span>));
+<a name="555" href="#555">555</a>                         }
+<a name="556" href="#556">556</a>                     } <strong>else</strong> {
+<a name="557" href="#557">557</a>                         exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unsupported location for function xs:dateTime"</span>));
+<a name="558" href="#558">558</a>                     }
+<a name="559" href="#559">559</a>                 } <strong>else</strong> {
+<a name="560" href="#560">560</a>                     <em class="comment">// wrong number of arguments</em>
+<a name="561" href="#561">561</a>                     exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Wrong number of arguments for xs:dateTime"</span>));
+<a name="562" href="#562">562</a>                 }
+<a name="563" href="#563">563</a>             } <strong>else</strong> <strong>if</strong> (JCRFN_CONTAINS.toJCRName(resolver).equals(fName)) {
+<a name="564" href="#564">564</a>                 <em class="comment">// check number of arguments</em>
+<a name="565" href="#565">565</a>                 <strong>if</strong> (node.jjtGetNumChildren() == 2) {
+<a name="566" href="#566">566</a>                     <a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> literal = (SimpleNode) node.jjtGetChild(1).jjtGetChild(0);
+<a name="567" href="#567">567</a>                     <strong>if</strong> (queryNode instanceof NAryQueryNode) {
+<a name="568" href="#568">568</a>                         <strong>if</strong> (literal.getId() == JJTSTRINGLITERAL) {
+<a name="569" href="#569">569</a>                             String value = literal.getValue();
+<a name="570" href="#570">570</a>                             <strong>if</strong> (value.charAt(0) == '&quot;') {
+<a name="571" href="#571">571</a>                                 value = value.replaceAll(<span class="string">"\&quot;\&quot;"</span>, <span class="string">"\&quot;"</span>);
+<a name="572" href="#572">572</a>                             } <strong>else</strong> {
+<a name="573" href="#573">573</a>                                 value = value.replaceAll(<span class="string">"''"</span>, <span class="string">"'"</span>);
+<a name="574" href="#574">574</a>                             }
+<a name="575" href="#575">575</a>                             <em class="comment">// strip quotes</em>
+<a name="576" href="#576">576</a>                             value = value.substring(1, value.length() - 1);
+<a name="577" href="#577">577</a>                             <a href="../../../../../../org/apache/jackrabbit/core/search/TextsearchQueryNode.html">TextsearchQueryNode</a> contains = <strong>new</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/TextsearchQueryNode.html">TextsearchQueryNode</a>(queryNode, value);
+<a name="578" href="#578">578</a>                             ((<a href="../../../../../../org/apache/jackrabbit/core/search/NAryQueryNode.html">NAryQueryNode</a>) queryNode).addOperand(contains);
+<a name="579" href="#579">579</a>                         } <strong>else</strong> {
+<a name="580" href="#580">580</a>                             exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Wrong argument type for jcrfn:contains"</span>));
+<a name="581" href="#581">581</a>                         }
+<a name="582" href="#582">582</a>                     } <strong>else</strong> {
+<a name="583" href="#583">583</a>                         exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unsupported location for function jcrfn:contains"</span>));
+<a name="584" href="#584">584</a>                     }
+<a name="585" href="#585">585</a>                 } <strong>else</strong> {
+<a name="586" href="#586">586</a>                     <em class="comment">// wrong number of arguments</em>
+<a name="587" href="#587">587</a>                     exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Wrong number of arguments for jcrfn:contains"</span>));
+<a name="588" href="#588">588</a>                 }
+<a name="589" href="#589">589</a>             } <strong>else</strong> <strong>if</strong> (JCRFN_LIKE.toJCRName(resolver).equals(fName)) {
+<a name="590" href="#590">590</a>                 <em class="comment">// check number of arguments</em>
+<a name="591" href="#591">591</a>                 <strong>if</strong> (node.jjtGetNumChildren() == 3) {
+<a name="592" href="#592">592</a>                     <strong>if</strong> (queryNode instanceof NAryQueryNode) {
+<a name="593" href="#593">593</a>                         <a href="../../../../../../org/apache/jackrabbit/core/search/RelationQueryNode.html">RelationQueryNode</a> like = <strong>new</strong> <a href="../../../../../../org/apache/jackrabbit/core/search/RelationQueryNode.html">RelationQueryNode</a>(queryNode, RelationQueryNode.OPERATION_LIKE);
+<a name="594" href="#594">594</a>                         ((<a href="../../../../../../org/apache/jackrabbit/core/search/NAryQueryNode.html">NAryQueryNode</a>) queryNode).addOperand(like);
+<a name="595" href="#595">595</a> 
+<a name="596" href="#596">596</a>                         <em class="comment">// assign property name</em>
+<a name="597" href="#597">597</a>                         node.jjtGetChild(1).jjtAccept(<strong>this</strong>, like);
+<a name="598" href="#598">598</a>                         <em class="comment">// check property name</em>
+<a name="599" href="#599">599</a>                         <strong>if</strong> (like.getProperty() == <strong>null</strong>) {
+<a name="600" href="#600">600</a>                             exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Wrong first argument type for jcrfn:like"</span>));
+<a name="601" href="#601">601</a>                         }
+<a name="602" href="#602">602</a> 
+<a name="603" href="#603">603</a>                         <a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> literal = (SimpleNode) node.jjtGetChild(2).jjtGetChild(0);
+<a name="604" href="#604">604</a>                         <strong>if</strong> (literal.getId() == JJTSTRINGLITERAL) {
+<a name="605" href="#605">605</a>                             String value = literal.getValue();
+<a name="606" href="#606">606</a>                             <em class="comment">// strip quotes</em>
+<a name="607" href="#607">607</a>                             value = value.substring(1, value.length() - 1);
+<a name="608" href="#608">608</a>                             like.setStringValue(value);
+<a name="609" href="#609">609</a>                         } <strong>else</strong> {
+<a name="610" href="#610">610</a>                             exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Wrong second argument type for jcrfn:like"</span>));
+<a name="611" href="#611">611</a>                         }
+<a name="612" href="#612">612</a>                     } <strong>else</strong> {
+<a name="613" href="#613">613</a>                         exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unsupported location for function jcrfn:like"</span>));
+<a name="614" href="#614">614</a>                     }
+<a name="615" href="#615">615</a>                 } <strong>else</strong> {
+<a name="616" href="#616">616</a>                     <em class="comment">// wrong number of arguments</em>
+<a name="617" href="#617">617</a>                     exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Wrong number of arguments for jcrfn:like"</span>));
+<a name="618" href="#618">618</a>                 }
+<a name="619" href="#619">619</a>             } <strong>else</strong> {
+<a name="620" href="#620">620</a>                 exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unsupported function: "</span> + fName));
+<a name="621" href="#621">621</a>             }
+<a name="622" href="#622">622</a>         } <strong>catch</strong> (NoPrefixDeclaredException e) {
+<a name="623" href="#623">623</a>             exceptions.add(e);
+<a name="624" href="#624">624</a>         }
+<a name="625" href="#625">625</a>         <strong>return</strong> queryNode;
+<a name="626" href="#626">626</a>     }
+<a name="627" href="#627">627</a> 
+<a name="628" href="#628">628</a>     <strong>private</strong> OrderQueryNode.OrderSpec createOrderSpec(<a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> node,
+<a name="629" href="#629">629</a>                                                      <a href="../../../../../../org/apache/jackrabbit/core/search/OrderQueryNode.html">OrderQueryNode</a> queryNode) {
+<a name="630" href="#630">630</a>         <a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> child = (SimpleNode) node.jjtGetChild(0);
+<a name="631" href="#631">631</a>         OrderQueryNode.OrderSpec spec = <strong>null</strong>;
+<a name="632" href="#632">632</a>         <strong>try</strong> {
+<a name="633" href="#633">633</a>             <a href="../../../../../../org/apache/jackrabbit/core/QName.html">QName</a> name = ISO9075.decode(QName.fromJCRName(child.getValue(), resolver));
+<a name="634" href="#634">634</a>             spec = <strong>new</strong> OrderQueryNode.OrderSpec(name, <strong>true</strong>);
+<a name="635" href="#635">635</a>             queryNode.addOrderSpec(spec);
+<a name="636" href="#636">636</a>         } <strong>catch</strong> (IllegalNameException e) {
+<a name="637" href="#637">637</a>             exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Illegal name: "</span> + child.getValue()));
+<a name="638" href="#638">638</a>         } <strong>catch</strong> (UnknownPrefixException e) {
+<a name="639" href="#639">639</a>             exceptions.add(<strong>new</strong> InvalidQueryException(<span class="string">"Unknown prefix: "</span> + child.getValue()));
+<a name="640" href="#640">640</a>         }
+<a name="641" href="#641">641</a>         <strong>return</strong> spec;
+<a name="642" href="#642">642</a>     }
+<a name="643" href="#643">643</a> 
+<a name="644" href="#644">644</a>     <em>/**<em>*</em></em>
+<a name="645" href="#645">645</a> <em>     * Returns true if &lt;code>node&lt;/code> has a child node which is the attribute</em>
+<a name="646" href="#646">646</a> <em>     * axis.</em>
+<a name="647" href="#647">647</a> <em>     *</em>
+<a name="648" href="#648">648</a> <em>     * @param node a node with type {@link org.apache.jackrabbit.core.search.xpath.XPathTreeConstants.JJTSTEPEXPR}.</em>
+<a name="649" href="#649">649</a> <em>     * @return &lt;code>true&lt;/code> if this step expression uses the attribute axis.</em>
+<a name="650" href="#650">650</a> <em>     */</em>
+<a name="651" href="#651">651</a>     <strong>private</strong> <strong>boolean</strong> isAttributeAxis(<a href="../../../../../../org/apache/jackrabbit/core/search/xpath/SimpleNode.html">SimpleNode</a> node) {
+<a name="652" href="#652">652</a>         <strong>for</strong> (<strong>int</strong> i = 0; i &lt; node.jjtGetNumChildren(); i++) {
+<a name="653" href="#653">653</a>             <strong>if</strong> (((SimpleNode) node.jjtGetChild(i)).getId() == JJTAT) {
+<a name="654" href="#654">654</a>                 <strong>return</strong> <strong>true</strong>;
+<a name="655" href="#655">655</a>             }
+<a name="656" href="#656">656</a>         }
+<a name="657" href="#657">657</a>         <strong>return</strong> false;
+<a name="658" href="#658">658</a>     }
+<a name="659" href="#659">659</a> 
+<a name="660" href="#660">660</a> }
 </pre>
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