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<h2 align="center">Xalan-C++ API Documentation</h2>
<h3 align="center">The Xalan C++ XSLT Processor Version 1.10</h3>
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<hr><h1>XPathExpression.hpp</h1><a href="XPathExpression_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 <font class="comment">/*</font>
00002 <font class="comment"> * Copyright 1999-2004 The Apache Software Foundation.</font>
00003 <font class="comment"> *</font>
00004 <font class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</font>
00005 <font class="comment"> * you may not use this file except in compliance with the License.</font>
00006 <font class="comment"> * You may obtain a copy of the License at</font>
00007 <font class="comment"> *</font>
00008 <font class="comment"> *     http://www.apache.org/licenses/LICENSE-2.0</font>
00009 <font class="comment"> *</font>
00010 <font class="comment"> * Unless required by applicable law or agreed to in writing, software</font>
00011 <font class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</font>
00012 <font class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</font>
00013 <font class="comment"> * See the License for the specific language governing permissions and</font>
00014 <font class="comment"> * limitations under the License.</font>
00015 <font class="comment"> */</font>
00016 <font class="preprocessor">#if !defined(XPATHEXPRESSION_HEADER_GUARD_1357924680)</font>
<a name="l00017"></a><a class="code" href="XPathExpression_8hpp.html#a0">00017</a> <font class="preprocessor"></font><font class="preprocessor">#define XPATHEXPRESSION_HEADER_GUARD_1357924680</font>
00018 <font class="preprocessor"></font>
00019 
00020 
00021 <font class="comment">// Base header file.  Must be first.</font>
00022 <font class="preprocessor">#include &lt;<a class="code" href="XPathDefinitions_8hpp.html">xalanc/XPath/XPathDefinitions.hpp</a>&gt;</font>
00023 
00024 
00025 
00026 <font class="preprocessor">#include &lt;<a class="code" href="XalanVector_8hpp.html">xalanc/Include/XalanVector.hpp</a>&gt;</font>
00027 
00028 
00029 
00030 <font class="preprocessor">#if defined(XALAN_CLASSIC_IOSTREAMS)</font>
00031 <font class="preprocessor"></font><font class="preprocessor">#include &lt;iostream.h&gt;</font>
00032 <font class="preprocessor">#else</font>
00033 <font class="preprocessor"></font><font class="preprocessor">#include &lt;iosfwd&gt;</font>
00034 <font class="preprocessor">#endif</font>
00035 <font class="preprocessor"></font>
00036 
00037 
00038 <font class="preprocessor">#include &lt;<a class="code" href="XalanDOMString_8hpp.html">xalanc/XalanDOM/XalanDOMString.hpp</a>&gt;</font>
00039 
00040 
00041 
00042 <font class="preprocessor">#include &lt;<a class="code" href="DOMStringHelper_8hpp.html">xalanc/PlatformSupport/DOMStringHelper.hpp</a>&gt;</font>
00043 <font class="preprocessor">#include &lt;<a class="code" href="PrintWriter_8hpp.html">xalanc/PlatformSupport/PrintWriter.hpp</a>&gt;</font>
00044 
00045 
00046 
00047 <font class="preprocessor">#include &lt;<a class="code" href="XToken_8hpp.html">xalanc/XPath/XToken.hpp</a>&gt;</font>
00048 <font class="preprocessor">#include &lt;<a class="code" href="XalanXPathException_8hpp.html">xalanc/XPath/XalanXPathException.hpp</a>&gt;</font>
00049 
00050 
00051 
00052 XALAN_CPP_NAMESPACE_BEGIN
00053 
00054 
00055 
<a name="l00056"></a><a class="code" href="XPathExpression_8hpp.html#a3">00056</a> <a class="code" href="XSLTInputSource_8hpp.html#a3">XALAN_USING_XERCES</a>(MemoryManager)
00057 
00058 
00059 
00060 <font class="keyword">class </font>XALAN_XPATH_EXPORT XPathExpression
00061 {
00062 <font class="keyword">public</font>:
00063 
00064     <font class="keyword">typedef</font> XALAN_STD_QUALIFIER ostream         OstreamType;
00065 
00066     <font class="keyword">typedef</font> XalanVector&lt;int&gt;                    OpCodeMapType;
00067     <font class="keyword">typedef</font> XalanVector&lt;XToken&gt;                 TokenQueueType;
00068 
00069     <font class="keyword">typedef</font> OpCodeMapType::value_type           OpCodeMapValueType;
00070     <font class="keyword">typedef</font> OpCodeMapValueType                  OpCodeMapSizeType;
00071 
00072     <font class="keyword">typedef</font> XalanVector&lt;OpCodeMapValueType&gt;     OpCodeMapValueVectorType;
00073 
00074     <font class="keyword">typedef</font> XalanVector&lt;double&gt;                 NumberLiteralValueVectorType;
00075 
00076 <font class="preprocessor">#define XALAN_XPATH_EXPRESSION_USE_ITERATORS</font>
00077 <font class="preprocessor"></font>
00078 <font class="preprocessor">#if defined(XALAN_XPATH_EXPRESSION_USE_ITERATORS)</font>
00079 <font class="preprocessor"></font>    <font class="keyword">typedef</font> OpCodeMapType::const_iterator   OpCodeMapPositionType;
00080 <font class="preprocessor">#else</font>
00081 <font class="preprocessor"></font>    <font class="keyword">typedef</font> OpCodeMapSizeType               OpCodeMapPositionType;
00082 <font class="preprocessor">#endif</font>
00083 <font class="preprocessor"></font>    <font class="keyword">typedef</font> OpCodeMapType::difference_type  OpCodeMapDifferenceType;
00084     <font class="keyword">typedef</font> TokenQueueType::value_type      TokenQueueValueType;
00085     <font class="keyword">typedef</font> <font class="keywordtype">int</font>                             TokenQueueSizeType;
00086     <font class="keyword">typedef</font> TokenQueueSizeType              TokenQueuePositionType;
00087 
00106     <font class="keyword">enum</font> eOpCodes
00107     {
00113         eELEMWILDCARD = -3,
00114 
00119         eEMPTY = -2,
00120 
00125         eENDOP = -1,
00126 
00140         eOP_XPATH = 1,
00141 
00151         eOP_OR = 2,
00152 
00162         eOP_AND = 3,
00163 
00173         eOP_NOTEQUALS = 4,
00174 
00184         eOP_EQUALS = 5,
00185 
00195         eOP_LTE = 6,
00196 
00206         eOP_LT = 7,
00207 
00217         eOP_GTE = 8,
00218 
00228         eOP_GT = 9,
00229 
00239         eOP_PLUS = 10,
00240 
00250         eOP_MINUS = 11,
00251 
00261         eOP_MULT = 12,
00262 
00272         eOP_DIV = 13,
00273 
00283         eOP_MOD = 14,
00284 
00293         eOP_NEG = 15,
00294 
00303         eOP_BOOL = 16,
00304 
00313         eOP_UNION = 17,
00314 
00323         eOP_LITERAL = 18,
00324 
00333         eOP_VARIABLE = 19,
00334 
00348         eOP_GROUP = 20,
00349 
00358         eOP_NUMBERLIT = 21,
00359 
00373         eOP_ARGUMENT = 22,
00374 
00390         eOP_EXTFUNCTION = 23,
00391 
00408         eOP_FUNCTION = 24,
00409 
00423         eOP_LOCATIONPATH = 25,
00424 
00434         eOP_PREDICATE = 26,
00435 
00443         eNODETYPE_COMMENT = 27,
00444         
00452         eNODETYPE_TEXT = 28,
00453         
00461         eNODETYPE_PI = 29,
00462         
00470         eNODETYPE_NODE = 30,
00471         
00480         eNODENAME = 31,
00481         
00489         eNODETYPE_ROOT = 32,
00490         
00498         eNODETYPE_ANYELEMENT = 33,
00499 
00510         eFROM_ANCESTORS = 34,
00511         eFROM_ANCESTORS_OR_SELF = 35,
00512         eFROM_ATTRIBUTES = 36,
00513         eFROM_CHILDREN = 37,
00514         eFROM_DESCENDANTS = 38,
00515         eFROM_DESCENDANTS_OR_SELF = 39,
00516         eFROM_FOLLOWING = 40,
00517         eFROM_FOLLOWING_SIBLINGS = 41,
00518         eFROM_PARENT = 42,
00519         eFROM_PRECEDING = 43,
00520         eFROM_PRECEDING_SIBLINGS = 44,
00521         eFROM_SELF = 45,
00522         eFROM_NAMESPACE = 46,
00523         eFROM_ROOT = 47,
00524 
00533         eOP_MATCHPATTERN = 48,
00534 
00543         eOP_LOCATIONPATHPATTERN = 49,
00544 
00545         <font class="comment">// For match patterns</font>
00546         eMATCH_ATTRIBUTE = 50,
00547         eMATCH_ANY_ANCESTOR = 51,
00548         eMATCH_IMMEDIATE_ANCESTOR = 52,
00549         eMATCH_ANY_ANCESTOR_WITH_PREDICATE = 53,
00550         eMATCH_ANY_ANCESTOR_WITH_FUNCTION_CALL = 54,
00551 
00561         eOP_PREDICATE_WITH_POSITION = 55,
00562   
00567         eOP_FUNCTION_POSITION = 56,
00568         eOP_FUNCTION_LAST = 57,
00569         eOP_FUNCTION_COUNT = 58,
00570         eOP_FUNCTION_NOT = 59,
00571         eOP_FUNCTION_TRUE = 60,
00572         eOP_FUNCTION_FALSE = 61,
00573         eOP_FUNCTION_BOOLEAN = 62,
00574         eOP_FUNCTION_NAME_0 = 63,
00575         eOP_FUNCTION_NAME_1 = 64,
00576         eOP_FUNCTION_LOCALNAME_0 = 65,
00577         eOP_FUNCTION_LOCALNAME_1 = 66,
00578         eOP_FUNCTION_FLOOR = 67,
00579         eOP_FUNCTION_CEILING = 68,
00580         eOP_FUNCTION_ROUND = 69,
00581         eOP_FUNCTION_NUMBER_0 = 70,
00582         eOP_FUNCTION_NUMBER_1 = 71,
00583         eOP_FUNCTION_STRING_0 = 72,
00584         eOP_FUNCTION_STRING_1 = 73,
00585         eOP_FUNCTION_STRINGLENGTH_0 = 74,
00586         eOP_FUNCTION_STRINGLENGTH_1 = 75,
00587         eOP_FUNCTION_NAMESPACEURI_0 = 76,
00588         eOP_FUNCTION_NAMESPACEURI_1 = 77,
00589         eOP_FUNCTION_SUM = 78,
00590         eOP_FUNCTION_CONCAT = 79,
00591 
00592         <font class="comment">// Always add _before_ this one and update</font>
00593         <font class="comment">// s_opCodeLengthArray.</font>
00594         eOpCodeNextAvailable
00595     };  <font class="comment">// enum eOpCodes</font>
00596 
00600     <font class="keyword">class </font>XALAN_XPATH_EXPORT XPathExpressionException : <font class="keyword">public</font> <a class="code" href="classXalanXPathException.html">XalanXPathException</a>
00601     {
00602     <font class="keyword">public</font>:
00603 
00609         XPathExpressionException(<font class="keyword">const</font> <a class="code" href="classXalanDOMString.html">XalanDOMString</a>&amp;  theMessage,
00610                                     MemoryManagerType&amp; theManager);
00611 
00612         <font class="keyword">virtual</font>~
00613         XPathExpressionException();
00614     };
00615 
00619     <font class="keyword">class </font>XALAN_XPATH_EXPORT InvalidOpCodeException : <font class="keyword">public</font> XPathExpressionException
00620     {
00621     <font class="keyword">public</font>:
00622 
00628         InvalidOpCodeException(OpCodeMapValueType   theOpCode,
00629                                 <a class="code" href="classXalanDOMString.html">XalanDOMString</a>&amp;     theResult);
00630 
00631         <font class="keyword">virtual</font>~
00632         InvalidOpCodeException();
00633 
00634     <font class="keyword">private</font>:
00635 
00636         <font class="keyword">static</font> <a class="code" href="classXalanDOMString.html">XalanDOMString</a>&amp;
00637         FormatErrorMessage(OpCodeMapValueType   theOpCode,
00638                             <a class="code" href="classXalanDOMString.html">XalanDOMString</a>&amp;     theResult);
00639     };
00640 
00645     <font class="keyword">class </font>XALAN_XPATH_EXPORT InvalidArgumentCountException : <font class="keyword">public</font> XPathExpressionException
00646     {
00647     <font class="keyword">public</font>:
00648 
00656         InvalidArgumentCountException(
00657             OpCodeMapValueType  theOpCode,
00658             OpCodeMapValueType  theExpectedCount,
00659             OpCodeMapValueType  theSuppliedCount,
00660             <a class="code" href="classXalanDOMString.html">XalanDOMString</a>&amp;     theResult);
00661 
00662         <font class="keyword">virtual</font>~
00663         InvalidArgumentCountException();
00664 
00665     <font class="keyword">private</font>:
00666 
00667         <font class="keyword">static</font> <a class="code" href="classXalanDOMString.html">XalanDOMString</a>&amp;
00668         FormatErrorMessage(
00669             OpCodeMapValueType  theOpCode,
00670             OpCodeMapValueType  theExpectedCount,
00671             OpCodeMapValueType  theSuppliedCount,
00672             <a class="code" href="classXalanDOMString.html">XalanDOMString</a>&amp;     theResult);
00673     };
00674 
00678     <font class="keyword">class </font>XALAN_XPATH_EXPORT InvalidArgumentException : <font class="keyword">public</font> XPathExpressionException
00679     {
00680     <font class="keyword">public</font>:
00681 
00688         InvalidArgumentException(
00689             OpCodeMapValueType  theOpCode,
00690             OpCodeMapValueType  theValue,
00691             <a class="code" href="classXalanDOMString.html">XalanDOMString</a>&amp;     theResult);
00692 
00693         <font class="keyword">virtual</font>~
00694         InvalidArgumentException();
00695 
00696     <font class="keyword">private</font>:
00697 
00698         <font class="keyword">static</font> <a class="code" href="classXalanDOMString.html">XalanDOMString</a>&amp;
00699         FormatErrorMessage(
00700                 OpCodeMapValueType  theOpCode,
00701                 OpCodeMapValueType  theValue,
00702                 <a class="code" href="classXalanDOMString.html">XalanDOMString</a>&amp;     theResult);
00703     };
00704 
00705 
00712 <font class="preprocessor">#if defined(XALAN_INLINE_INITIALIZATION)</font>
00713 <font class="preprocessor"></font>    <font class="keyword">static</font> <font class="keyword">const</font> TokenQueueSizeType     s_opCodeMapLengthIndex = 1;
00714 <font class="preprocessor">#else</font>
00715 <font class="preprocessor"></font>    <font class="keyword">enum</font> eDummy
00716     {
00717         s_opCodeMapLengthIndex = 1
00718     };
00719 <font class="preprocessor">#endif</font>
00720 <font class="preprocessor"></font>
00721     <font class="keyword">explicit</font>
00722     XPathExpression(MemoryManagerType&amp; theManager);
00723 
00724     ~XPathExpression();
00725 
00726     MemoryManagerType&amp;
00727     getMemoryManager()<font class="keyword"></font>
00728 <font class="keyword">    </font>{
00729         <font class="keywordflow">return</font> m_opMap.getMemoryManager();
00730     }
00734     <font class="keywordtype">void</font>
00735     reset();
00736 
00740     <font class="keywordtype">void</font>
00741     shrink();
00742 
00748     OpCodeMapSizeType
00749     opCodeMapSize()<font class="keyword"> const</font>
00750 <font class="keyword">    </font>{
00751         <font class="keywordflow">return</font> OpCodeMapSizeType(m_opMap.size());
00752     }
00753 
00765     OpCodeMapValueType
00766     opCodeMapLength()<font class="keyword"> const</font>
00767 <font class="keyword">    </font>{
00768         <font class="keyword">const</font> OpCodeMapSizeType     theSize = opCodeMapSize();
00769 
00770         <font class="keywordflow">if</font> (theSize &gt; s_opCodeMapLengthIndex)
00771         {
00772             assert(theSize == OpCodeMapSizeType(m_opMap[s_opCodeMapLengthIndex]));
00773 
00774             <font class="keywordflow">return</font> m_opMap[s_opCodeMapLengthIndex];
00775         }
00776         <font class="keywordflow">else</font>
00777         {
00778             assert(theSize == OpCodeMapValueType(theSize));
00779 
00780             <font class="keywordflow">return</font> OpCodeMapValueType(theSize);
00781         }
00782     }
00783 
00784     OpCodeMapPositionType
00785     getInitialOpCodePosition()<font class="keyword"> const</font>
00786 <font class="keyword">    </font>{
00787 <font class="preprocessor">#if defined(XALAN_XPATH_EXPRESSION_USE_ITERATORS)</font>
00788 <font class="preprocessor"></font>        <font class="keywordflow">return</font> m_opMap.begin();
00789 <font class="preprocessor">#else</font>
00790 <font class="preprocessor"></font>        <font class="keywordflow">return</font> 0;
00791 <font class="preprocessor">#endif</font>
00792 <font class="preprocessor"></font>    }
00793 
00794     <font class="keywordtype">bool</font>
00795     isValidOpCodePosition(OpCodeMapPositionType     opPos)<font class="keyword"> const</font>
00796 <font class="keyword">    </font>{
00797         <font class="keyword">const</font> OpCodeMapDifferenceType  theDifference =
00798             OpCodeMapDifferenceType(opPos - getInitialOpCodePosition());
00799 
00800         <font class="keywordflow">return</font> theDifference &gt;= 0 &amp;&amp; 
00801                theDifference &lt; opCodeMapSize();
00802     }
00803 
00804 <font class="preprocessor">#if defined(XALAN_XPATH_EXPRESSION_USE_ITERATORS)</font>
00805 <font class="preprocessor"></font>    <font class="keywordtype">bool</font>
00806     isValidOpCodePosition(OpCodeMapSizeType     theIndex)<font class="keyword"> const</font>
00807 <font class="keyword">    </font>{
00808         <font class="keywordflow">return</font> theIndex &gt;= 0 &amp;&amp; theIndex &lt; opCodeMapSize();
00809     }
00810 
00818     OpCodeMapValueType
00819     getOpCodeMapValue(OpCodeMapSizeType     theIndex)<font class="keyword"> const</font>
00820 <font class="keyword">    </font>{
00821         assert(theIndex &lt; opCodeMapLength());
00822 
00823         <font class="keywordflow">return</font> m_opMap[theIndex];
00824     }
00825 <font class="preprocessor">#endif</font>
00826 <font class="preprocessor"></font>
00834     OpCodeMapValueType
00835     getOpCodeMapValue(OpCodeMapPositionType     opPos)<font class="keyword"> const</font>
00836 <font class="keyword">    </font>{
00837         assert(opPos &lt; getInitialOpCodePosition() + opCodeMapLength());
00838 
00839 <font class="preprocessor">#if defined(XALAN_XPATH_EXPRESSION_USE_ITERATORS)</font>
00840 <font class="preprocessor"></font>        <font class="keywordflow">return</font> *opPos;
00841 <font class="preprocessor">#else</font>
00842 <font class="preprocessor"></font>
00843         <font class="keywordflow">return</font> m_opMap[opPos];
00844 <font class="preprocessor">#endif</font>
00845 <font class="preprocessor"></font>    }
00846 
00854     <font class="keywordtype">void</font>
00855     setOpCodeMapValue(
00856             OpCodeMapSizeType           theOpCodeMapIndex,
00857             <font class="keyword">const</font> OpCodeMapValueType&amp;   theValue)<font class="keyword"></font>
00858 <font class="keyword">    </font>{
00859         assert(theOpCodeMapIndex &lt; opCodeMapLength());
00860 
00861         m_opMap[theOpCodeMapIndex] = theValue;
00862     }
00863 
00864     OpCodeMapValueType
00865     getOpCodeArgumentLength(OpCodeMapPositionType   opPos)<font class="keyword"> const</font>
00866 <font class="keyword">    </font>{
00867         <font class="keywordflow">return</font> getOpCodeMapValue(opPos + XPathExpression::s_opCodeMapLengthIndex + 1) - 3;
00868     }
00869 
00877     OpCodeMapValueType
00878     getOpCodeLengthFromOpMap(OpCodeMapPositionType  opPos,
00879                              MemoryManagerType&amp;     theManager) <font class="keyword">const</font>;
00880 
00881 <font class="preprocessor">#if defined(XALAN_XPATH_EXPRESSION_USE_ITERATORS)</font>
00882 <font class="preprocessor"></font>
00889     OpCodeMapValueType
00890     getOpCodeLengthFromOpMap(OpCodeMapSizeType      theIndex,
00891                                 MemoryManagerType&amp; theManager) <font class="keyword">const</font>;
00892 <font class="preprocessor">#endif</font>
00893 <font class="preprocessor"></font>
00894 <font class="preprocessor">#if defined(XALAN_XPATH_EXPRESSION_USE_ITERATORS)</font>
00895 <font class="preprocessor"></font>
00902     OpCodeMapPositionType
00903     getNextOpCodePosition(OpCodeMapPositionType     opPos)<font class="keyword"> const</font>
00904 <font class="keyword">    </font>{
00905         assert(opPos &lt; getInitialOpCodePosition() + opCodeMapLength());
00906 
00907         <font class="keywordflow">return</font> opPos + *(opPos + s_opCodeMapLengthIndex);
00908     }
00909 <font class="preprocessor">#endif</font>
00910 <font class="preprocessor"></font>
00918     OpCodeMapSizeType
00919 <font class="preprocessor">#if defined(XALAN_XPATH_EXPRESSION_USE_ITERATORS)</font>
00920 <font class="preprocessor"></font>    getNextOpCodePosition(OpCodeMapSizeType     theIndex) <font class="keyword">const</font>
00921 <font class="preprocessor">#else</font>
00922 <font class="preprocessor"></font>    getNextOpCodePosition(OpCodeMapPositionType     theIndex) <font class="keyword">const</font>
00923 <font class="preprocessor">#endif</font>
00924 <font class="preprocessor"></font>    {
00925         assert(theIndex &lt; opCodeMapLength());
00926 
00927         assert(theIndex + m_opMap[theIndex + s_opCodeMapLengthIndex] ==
00928                OpCodeMapSizeType(theIndex + m_opMap[theIndex + s_opCodeMapLengthIndex]));
00929 
00930         <font class="keywordflow">return</font> OpCodeMapSizeType(theIndex + m_opMap[theIndex + s_opCodeMapLengthIndex]);
00931     }
00932 
00942     <font class="keywordtype">void</font>
00943     setOpCodeArgs(
00944             eOpCodes                            theOpCode,
00945             OpCodeMapSizeType                   theIndex,
00946             <font class="keyword">const</font> OpCodeMapValueVectorType&amp;     theArgs);
00947 
00954     OpCodeMapSizeType
00955     appendOpCode(eOpCodes   theOpCode);
00956 
00963     OpCodeMapSizeType
00964     appendOpCode(
00965             eOpCodes                            theOpCode,
00966             <font class="keyword">const</font> OpCodeMapValueVectorType&amp;     theArgs)<font class="keyword"></font>
00967 <font class="keyword">    </font>{
00968         <font class="keyword">const</font> OpCodeMapSizeType     thePosition = appendOpCode(theOpCode);
00969 
00970         setOpCodeArgs(theOpCode,
00971                       thePosition,
00972                       theArgs);
00973 
00974         <font class="keywordflow">return</font> thePosition;
00975     }
00976 
00984     <font class="keywordtype">void</font>
00985     replaceOpCode(
00986             OpCodeMapSizeType   theIndex,
00987             eOpCodes            theOldOpCode,
00988             eOpCodes            theNewOpCode);
00989 
00996     OpCodeMapValueType
00997     insertOpCode(
00998             eOpCodes            theOpCode,
00999             OpCodeMapSizeType   theIndex);
01000 
01010     <font class="keywordtype">void</font>
01011     updateOpCodeLength(OpCodeMapSizeType    theIndex)<font class="keyword"></font>
01012 <font class="keyword">    </font>{
01013         assert(theIndex &lt; opCodeMapSize());
01014 
01015         updateOpCodeLength(m_opMap[theIndex], theIndex);
01016     }
01017 
01026     <font class="keywordtype">void</font>
01027     updateShiftedOpCodeLength(
01028             OpCodeMapValueType  theOpCode,
01029             OpCodeMapSizeType   theOriginalIndex,
01030             OpCodeMapSizeType   theNewIndex);
01031 
01042     <font class="keywordtype">void</font>
01043     updateOpCodeLength(
01044             OpCodeMapValueType  theOpCode,
01045             OpCodeMapSizeType   theIndex);
01046 
01054     <font class="keyword">static</font> <font class="keywordtype">bool</font>
01055     isNodeTestOpCode(OpCodeMapValueType     theOpCode);
01056 
01062     <font class="keywordtype">void</font>
01063     updateOpCodeLengthAfterNodeTest(OpCodeMapSizeType   theIndex);
01064 
01070     <font class="keywordtype">bool</font>
01071     hasMoreTokens()<font class="keyword"> const</font>
01072 <font class="keyword">    </font>{
01073         <font class="keywordflow">return</font> tokenQueueSize() &gt; m_currentPosition ? <font class="keyword">true</font> : <font class="keyword">false</font>;
01074     }
01075 
01081     TokenQueueSizeType
01082     tokenQueueSize()<font class="keyword"> const</font>
01083 <font class="keyword">    </font>{
01084         <font class="keywordflow">return</font> TokenQueueSizeType(m_tokenQueue.size());
01085     }
01086 
01087     <font class="keywordtype">bool</font>
01088     isValidTokenQueuePosition(TokenQueueSizeType    thePosition)<font class="keyword"> const</font>
01089 <font class="keyword">    </font>{
01090         <font class="keywordflow">return</font> thePosition &lt; tokenQueueSize();
01091     }
01092 
01098     TokenQueueSizeType
01099     getTokenPosition()<font class="keyword"> const</font>
01100 <font class="keyword">    </font>{
01101         <font class="keywordflow">return</font> m_currentPosition;
01102     }
01103 
01107     <font class="keywordtype">void</font>
01108     resetTokenPosition()<font class="keyword"></font>
01109 <font class="keyword">    </font>{
01110         m_currentPosition = 0;
01111     }
01112 
01119     <font class="keyword">const</font> <a class="code" href="classXToken.html">XToken</a>*
01120     getToken(TokenQueuePositionType     thePosition)<font class="keyword"> const</font>
01121 <font class="keyword">    </font>{
01122         assert(thePosition &lt; tokenQueueSize());
01123 
01124         <font class="keywordflow">return</font> &amp;m_tokenQueue[thePosition];
01125     }
01126 
01132     <font class="keyword">const</font> <a class="code" href="classXToken.html">XToken</a>*
01133     getNextToken()<font class="keyword"></font>
01134 <font class="keyword">    </font>{
01135         <font class="keywordflow">if</font> (hasMoreTokens() == <font class="keyword">true</font>)
01136         {
01137             <font class="keywordflow">return</font> getToken(m_currentPosition++);
01138         }
01139         <font class="keywordflow">else</font>
01140         {
01141             <font class="keywordflow">return</font> 0;
01142         }
01143     }
01144 
01150     <font class="keyword">const</font> <a class="code" href="classXToken.html">XToken</a>*
01151     getPreviousToken()<font class="keyword"></font>
01152 <font class="keyword">    </font>{
01153         <font class="keywordflow">if</font> (m_currentPosition &gt; 0)
01154         {
01155             <font class="keywordflow">return</font> getToken(--m_currentPosition);
01156         }
01157         <font class="keywordflow">else</font>
01158         {
01159             <font class="keywordflow">return</font> 0;
01160         }
01161     }
01162 
01163     <font class="keyword">enum</font> eRelativeDirection
01164     {
01165         eRelativeBackward,
01166         eRelativeForward
01167     };
01168 
01177     <font class="keyword">const</font> <a class="code" href="classXToken.html">XToken</a>*
01178     getRelativeToken(
01179         TokenQueuePositionType  theOffset,
01180         eRelativeDirection      theDirection)<font class="keyword"> const</font>
01181 <font class="keyword">    </font>{
01182         <font class="keyword">const</font> TokenQueuePositionType    thePosition =
01183             calculateRelativePosition(theOffset, theDirection);
01184 
01185         <font class="keywordflow">if</font> (thePosition == tokenQueueSize())
01186         {
01187             <font class="keywordflow">return</font> 0;
01188         }
01189         <font class="keywordflow">else</font>
01190         {
01191             <font class="keywordflow">return</font> getToken(thePosition);
01192         }
01193     }
01194 
01200     <font class="keywordtype">void</font>
01201     pushToken(<font class="keyword">const</font> <a class="code" href="classXalanDOMString.html">XalanDOMString</a>&amp;     theToken)<font class="keyword"></font>
01202 <font class="keyword">    </font>{
01203         m_tokenQueue.push_back(<a class="code" href="XTokenStringAdapter_8hpp.html#a1">XToken</a>(theToken, getMemoryManager()));
01204     }
01205 
01212     <font class="keywordtype">void</font>
01213     pushToken(
01214             <font class="keywordtype">double</font>                  theNumber,
01215             <font class="keyword">const</font> <a class="code" href="classXalanDOMString.html">XalanDOMString</a>&amp;   theString)<font class="keyword"></font>
01216 <font class="keyword">    </font>{
01217         m_tokenQueue.push_back(<a class="code" href="XTokenStringAdapter_8hpp.html#a1">XToken</a>(theNumber, theString));
01218     }
01219 
01226     <font class="keywordtype">void</font>
01227     insertToken(<font class="keyword">const</font> <a class="code" href="classXalanDOMString.html">XalanDOMString</a>&amp;   theToken)<font class="keyword"></font>
01228 <font class="keyword">    </font>{
01229         m_tokenQueue.insert(m_tokenQueue.begin() + (m_currentPosition - 1), <a class="code" href="XTokenStringAdapter_8hpp.html#a1">XToken</a>(theToken, getMemoryManager()));
01230     }
01231 
01239     <font class="keywordtype">void</font>
01240     insertToken(
01241             <font class="keywordtype">double</font>                  theNumber,
01242             <font class="keyword">const</font> <a class="code" href="classXalanDOMString.html">XalanDOMString</a>&amp;   theString)<font class="keyword"></font>
01243 <font class="keyword">    </font>{
01244         m_tokenQueue.insert(m_tokenQueue.begin() + (m_currentPosition - 1), <a class="code" href="XTokenStringAdapter_8hpp.html#a1">XToken</a>(theNumber, theString));
01245     }
01246 
01253     <font class="keywordtype">void</font>
01254     replaceRelativeToken(
01255             TokenQueuePositionType  theOffset,
01256             eRelativeDirection      theDirection,
01257             <font class="keyword">const</font> <a class="code" href="classXalanDOMString.html">XalanDOMString</a>&amp;   theString)<font class="keyword"></font>
01258 <font class="keyword">    </font>{
01259         <font class="keyword">const</font> TokenQueuePositionType    thePosition =
01260             calculateRelativePosition(theOffset, theDirection);
01261         assert(thePosition &lt; tokenQueueSize());
01262 
01263         m_tokenQueue[thePosition].set(theString, getMemoryManager());
01264     }
01265 
01272     <font class="keywordtype">void</font>
01273     dumpOpCodeMap(
01274             <a class="code" href="classPrintWriter.html">PrintWriter</a>&amp;        thePrintWriter,
01275             OpCodeMapSizeType   theStartPosition = 0) <font class="keyword">const</font>;
01276 
01283     <font class="keywordtype">void</font>
01284     dumpOpCodeMap(
01285             OstreamType&amp;        theStream,
01286             OpCodeMapSizeType   theStartPosition = 0) <font class="keyword">const</font>;
01287 
01294     <font class="keywordtype">void</font>
01295     dumpTokenQueue(
01296             <a class="code" href="classPrintWriter.html">PrintWriter</a>&amp;        thePrintWriter,
01297             TokenQueueSizeType  theStartPosition = 0) <font class="keyword">const</font>;
01298 
01305     <font class="keywordtype">void</font>
01306     dumpTokenQueue(
01307             OstreamType&amp;        theStream,
01308             TokenQueueSizeType  theStartPosition = 0) <font class="keyword">const</font>;
01309 
01315     <font class="keywordtype">void</font>
01316     dumpRemainingTokenQueue(<a class="code" href="classPrintWriter.html">PrintWriter</a>&amp;    thePrintWriter) <font class="keyword">const</font>;
01317 
01324     <font class="keywordtype">void</font>
01325     dumpRemainingTokenQueue(
01326             OstreamType&amp;    theStream,
01327             MemoryManager&amp;  theMemoryManager) <font class="keyword">const</font>;
01328 
01335     <font class="keywordtype">void</font>
01336     pushValueOnOpCodeMap(<font class="keyword">const</font> OpCodeMapType::value_type&amp;   theValue)<font class="keyword"></font>
01337 <font class="keyword">    </font>{
01338         <font class="comment">// Push the index onto the op map.</font>
01339         m_opMap.push_back(theValue);
01340 
01341         <font class="comment">// Update the op map length.</font>
01342         ++m_opMap[s_opCodeMapLengthIndex];
01343     }
01344 
01351     <font class="keywordtype">void</font>
01352     pushArgumentOnOpCodeMap(<font class="keyword">const</font> <a class="code" href="classXToken.html">XToken</a>&amp;   theXToken);
01353 
01360     <font class="keywordtype">void</font>
01361     pushArgumentOnOpCodeMap(<font class="keyword">const</font> <a class="code" href="classXalanDOMString.html">XalanDOMString</a>&amp;   theString);
01362 
01370     <font class="keywordtype">void</font>
01371     pushArgumentOnOpCodeMap(
01372             <font class="keywordtype">double</font>                  theNumber,
01373             <font class="keyword">const</font> <a class="code" href="classXalanDOMString.html">XalanDOMString</a>&amp;   theString);
01374 
01381     <font class="keywordtype">void</font>
01382     pushNumberLiteralOnOpCodeMap(<font class="keywordtype">double</font>     theNumber);
01383 
01389     <font class="keywordtype">double</font>
01390     getNumberLiteral(<font class="keywordtype">int</font>    theIndex)<font class="keyword"> const</font>
01391 <font class="keyword">    </font>{
01392         assert(theIndex &gt;= 0 &amp;&amp;
01393                NumberLiteralValueVectorType::size_type(theIndex) &lt; m_numberLiteralValues.size());
01394 
01395         <font class="keywordflow">return</font> m_numberLiteralValues[<a class="code" href="XalanMap_8hpp.html#a1">NumberLiteralValueVectorType::size_type</a>(theIndex)];
01396     }
01397 
01402     <font class="keywordtype">void</font>
01403     pushCurrentTokenOnOpCodeMap();
01404 
01410     <font class="keywordtype">void</font>
01411     setCurrentPattern(<font class="keyword">const</font> <a class="code" href="classXalanDOMString.html">XalanDOMString</a>&amp;     thePattern)<font class="keyword"></font>
01412 <font class="keyword">    </font>{
01413         m_currentPattern = &amp;thePattern;
01414     }
01415 
01421     <font class="keyword">const</font> <a class="code" href="classXalanDOMString.html">XalanDOMString</a>&amp;
01422     getCurrentPattern()<font class="keyword"> const</font>
01423 <font class="keyword">    </font>{
01424         assert(m_currentPattern != 0);
01425 
01426         <font class="keywordflow">return</font> *m_currentPattern;
01427     }
01428 
01429 <font class="keyword">private</font>:
01430 
01440     TokenQueuePositionType
01441     calculateRelativePosition(
01442         TokenQueuePositionType  theOffset,
01443         eRelativeDirection      theDirection)<font class="keyword"> const</font>
01444 <font class="keyword">    </font>{
01445         <font class="keywordflow">if</font> (theDirection == eRelativeBackward &amp;&amp;
01446             theOffset &lt;= m_currentPosition)
01447         {
01448             <font class="keywordflow">return</font> m_currentPosition - theOffset;
01449         }
01450         <font class="keywordflow">else</font> <font class="keywordflow">if</font> (theDirection == eRelativeForward &amp;&amp;
01451                  m_currentPosition + theOffset &lt; tokenQueueSize())
01452         {
01453             <font class="keywordflow">return</font> m_currentPosition + theOffset;
01454         }
01455         <font class="keywordflow">else</font>
01456         {
01457             <font class="keywordflow">return</font> tokenQueueSize();
01458         }
01459     }
01460 
01467     OpCodeMapType           m_opMap;
01468 
01473     OpCodeMapSizeType       m_lastOpCodeIndex;
01474 
01480     TokenQueueType          m_tokenQueue;
01481 
01485     TokenQueueSizeType      m_currentPosition;
01486 
01490     <font class="keyword">const</font> <a class="code" href="classXalanDOMString.html">XalanDOMString</a>*   m_currentPattern;
01491 
01492     <font class="comment">// Default vector allocation sizes.</font>
01493     <font class="keyword">enum</font>
01494     {
01495         eDefaultOpMapSize = 100,
01496         eDefaultTokenQueueSize = 30
01497     };
01498 
01499     NumberLiteralValueVectorType    m_numberLiteralValues;
01500 };
01501 
01502 
01503 
01504 XALAN_CPP_NAMESPACE_END
01505 
01506 
01507 
01508 <font class="preprocessor">#endif  // XPATHEXPRESSION_HEADER_GUARD_1357924680</font>
</font></pre></div><p align="center"><a href="diagramnotes.html">Interpreting class diagrams</a></p>
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