XObjectPtr
FunctionGenerateID::execute(
XPathExecutionContext& executionContext,
XalanNode* context,
const LocatorType* locator) const
{
if (context == 0)
{
executionContext.error(
XalanMessageLoader::getMessage(XalanMessages::FunctionRequiresNonNullContextNode_1Param,"generate-id()"),
context,
locator);
return XObjectPtr();
}
else
{
XPathExecutionContext::GetAndReleaseCachedString theID(executionContext);
theID.get() = XalanUnicode::charLetter_N;
getSuffix(context, theID.get());
return executionContext.getXObjectFactory().createString(theID);
}
}
XObjectPtr
FunctionFormatNumber::execute(
XPathExecutionContext& executionContext,
XalanNode* context,
const XObjectPtr arg1,
const XObjectPtr arg2,
const XObjectPtr arg3,
const LocatorType* locator) const
{
assert(arg1.null() == false && arg2.null() == false && arg3.null() == false);
const double theNumber = arg1->num();
const XalanDOMString& thePattern = arg2->str();
const XalanDOMString& theDFSName = arg3->str();
assert(length(theDFSName) != 0);
typedef XPathExecutionContext::GetAndReleaseCachedString GetAndReleaseCachedString;
GetAndReleaseCachedString theString(executionContext);
executionContext.formatNumber(
theNumber,
thePattern,
theDFSName,
theString.get(),
context,
locator);
return executionContext.getXObjectFactory().createString(theString);
}
XObjectPtr
XalanEXSLTFunctionObjectType::execute(
XPathExecutionContext& executionContext,
XalanNode* context,
const XObjectArgVectorType& args,
const LocatorType* locator) const
{
// Make sure nothing's happened to our strings and that
// they were actually initialized...
assert(XalanDOMString::equals(m_boolean, s_booleanString) == true);
assert(XalanDOMString::equals(m_external, s_externalString) == true);
assert(XalanDOMString::equals(m_nodeSet, s_nodeSetString) == true);
assert(XalanDOMString::equals(m_number, s_numberString) == true);
assert(XalanDOMString::equals(m_rtf, s_rtfString) == true);
assert(XalanDOMString::equals(m_string, s_stringString) == true);
if (args.size() != 1)
{
executionContext.error(getError(), context, locator);
}
assert(args[0].null() == false);
const XalanDOMString* theResult = &m_external;
switch(args[0]->getType())
{
case XObject::eTypeBoolean:
theResult = &m_boolean;
break;
case XObject::eTypeNodeSet:
theResult = &m_nodeSet;
break;
case XObject::eTypeNumber:
theResult = &m_number;
break;
case XObject::eTypeResultTreeFrag:
theResult = &m_rtf;
break;
case XObject::eTypeString:
theResult = &m_string;
break;
default:
break;
}
assert(theResult != 0);
return executionContext.getXObjectFactory().createStringReference(*theResult);
}
XObjectPtr
FunctionElementAvailable::execute(
XPathExecutionContext& executionContext,
XalanNode* /* context */,
const XObjectPtr arg1,
const LocatorType* locator) const
{
assert(arg1.null() == false);
return executionContext.getXObjectFactory().createBoolean(
executionContext.elementAvailable(arg1->str(), locator));
}
CurrentNodePushAndPop(
XPathExecutionContext& theExecutionContext,
XalanNode* theNewNode) :
m_executionContext(theExecutionContext)
{
theExecutionContext.pushCurrentNode(theNewNode);
}
XObjectPtr CExternalFunction::execute( XPathExecutionContext& executionContext,
XalanNode* /* context */,
const XObjectPtr arg1,
const Locator* /* locator */) const
{
assert(arg1.null() == false);
const XalanDOMString& arg = arg1->str();
//convert XalanDOMString (implemented as unsigned short*) into StringBuffer
StringBuffer sbInput;
sbInput.ensureCapacity(arg.length()+1);
size32_t len = arg.length();
for (size32_t i=0; i < len; i++)
sbInput.append( (char) arg[i]);
StringBuffer sbOutput;
try
{
(*m_userFunction)(sbOutput, sbInput.str(), m_pTransform);
}
catch (IException* e)
{
StringBuffer msg;
e->errorMessage(msg);
e->Release();
}
catch (...)
{
}
XalanDOMString xdsOutput( sbOutput.str() );
return executionContext.getXObjectFactory().createString( xdsOutput );
}
PrefixResolverSetAndRestore(
XPathExecutionContext& theExecutionContext,
const PrefixResolver* theResolver) :
m_executionContext(theExecutionContext),
m_savedResolver(theExecutionContext.getPrefixResolver())
{
m_executionContext.setPrefixResolver(theResolver);
}
XObjectPtr
FunctionLang::execute(
XPathExecutionContext& executionContext,
XalanNode* context,
const XObjectPtr arg1,
const LocatorType* /* locator */) const
{
assert(arg1.null() == false);
const XalanNode* parent = context;
bool fMatch = false;
const XalanDOMString& lang = arg1->str();
while(0 != parent)
{
if(XalanNode::ELEMENT_NODE == parent->getNodeType())
{
const XalanElement* const theElementNode =
#if defined(XALAN_OLD_STYLE_CASTS)
(const XalanElement*)parent;
#else
static_cast<const XalanElement*>(parent);
#endif
const XalanDOMString& langVal =
theElementNode->getAttributeNS(
DOMServices::s_XMLNamespaceURI,
s_attributeName);
if(0 != length(langVal))
{
XPathExecutionContext::GetAndReleaseCachedString theGuard1(executionContext);
XPathExecutionContext::GetAndReleaseCachedString theGuard2(executionContext);
if(startsWith(toLowerCaseASCII(langVal, theGuard1.get()), toLowerCaseASCII(lang, theGuard2.get())))
{
const XalanDOMString::size_type valLen = length(lang);
if(length(langVal) == valLen ||
charAt(langVal, valLen) == XalanUnicode::charHyphenMinus)
{
fMatch = true;
break;
}
}
}
}
parent = DOMServices::getParentOfNode(*parent);
}
return executionContext.getXObjectFactory().createBoolean(fMatch);
}
void
TestStringResults(
XPathFactory& theXPathFactory,
XPathProcessor& theXPathProcessor,
XPathEnvSupport& theXPathEnvSupport,
DOMSupport& theDOMSupport,
PrintWriter& thePrintWriter,
XPathExecutionContext& theExecutionContext)
{
assert(sizeof(theStringTestInput) == sizeof(theStringTestExpectedOutput));
MemoryManagerType& theMemoryManager =
theExecutionContext.getMemoryManager();
for(int i = 0; theStringTestInput[i] != 0; i++)
{
try
{
XPath* const theXPath = theXPathFactory.create();
XPathConstructionContextDefault theXPathConstructionContext(theMemoryManager);
const XPathGuard theGuard(
theXPathFactory,
theXPath);
XalanDOMString theInputString(theMemoryManager);
XalanDOMString theResult(theMemoryManager);
const ElementPrefixResolverProxy thePrefixResolver(
0,
theXPathEnvSupport,
theDOMSupport);
const NodeRefList theDummyNodeList(theMemoryManager);
TestStringResult(
theXPathProcessor,
*theXPath,
theXPathConstructionContext,
TranscodeFromLocalCodePage(theStringTestInput[i], theInputString),
thePrintWriter,
TranscodeFromLocalCodePage(theStringTestExpectedOutput[i], theResult),
0,
thePrefixResolver,
theDummyNodeList,
theExecutionContext);
}
catch(...)
{
thePrintWriter.print("Exception caught evaluating XPath \"");
thePrintWriter.print(theStringTestInput[i]);
thePrintWriter.println();
}
}
}
XObjectPtr
FunctionHasSameNodes::execute(
XPathExecutionContext& executionContext,
XalanNode* context,
const XObjectArgVectorType& args,
const LocatorType* locator) const
{
if (args.size() != 2)
{
XPathExecutionContext::GetAndReleaseCachedString theGuard(executionContext);
executionContext.error(getError(theGuard.get()), context, locator);
}
assert(args[0].null() == false && args[1].null() == false);
const NodeRefListBase& nodeset1 = args[0]->nodeset();
const NodeRefListBase& nodeset2 = args[1]->nodeset();
const NodeRefListBase::size_type theLength = nodeset1.getLength();
bool fResult = true;
if (theLength != nodeset2.getLength())
{
fResult = false;
}
else
{
for (NodeRefListBase::size_type i = 0; i < theLength && fResult == true; ++i)
{
XalanNode* const theNode = nodeset1.item(i);
assert(theNode != 0);
if (nodeset2.indexOf(theNode) == NodeRefListBase::npos)
{
fResult = false;
}
}
}
return executionContext.getXObjectFactory().createBoolean(fResult);
}
XALAN_CPP_NAMESPACE_USE
/**
* Execute an XPath function object. The function must return a valid
* XObject.
*
* @param executionContext executing context
* @param context current context node
* @param opPos current op position
* @param args vector of pointers to XObject arguments
* @return pointer to the result XObject
*/
XObjectPtr FunctionBase64::execute( XPathExecutionContext& executionContext, XalanNode* context, const XObjectArgVectorType& args, const LocatorType* locator ) const
{
XALAN_USING_XALAN( XalanDOMString );
if ( args.size() != 3 )
{
stringstream errorMessage;
errorMessage << "The Base64() function takes 3 arguments [ nodeset, trailer, envelope ], but received " << args.size();
#if (_XALAN_VERSION >= 11100)
executionContext.problem( XPathExecutionContext::eXPath, XPathExecutionContext::eError, XalanDOMString( errorMessage.str().c_str() ), locator, context);
#else
executionContext.error( XalanDOMString( errorMessage.str().c_str() ), context );
#endif
}
stringstream stringToEncode;
string envelopeName = localForm( ( const XMLCh* )( args[ 2 ]->str().data() ) );
stringToEncode << "<" << envelopeName << ">";
for( unsigned int i=0; i<args[ 0 ]->nodeset().getLength(); i++ )
{
stringToEncode << XPathHelper::SerializeToString( args[ 0 ]->nodeset().item( i ) );
}
stringToEncode << localForm( ( const XMLCh* )( args[ 1 ]->str().data() ) ) << "</" << envelopeName << ">";
string encodedString = Base64::encode( stringToEncode.str() );
return executionContext.getXObjectFactory().createString( unicodeForm( encodedString ) );
}
XObjectPtr
FunctionSubstringBefore::execute(
XPathExecutionContext& executionContext,
XalanNode* /* context */,
const XObjectPtr arg1,
const XObjectPtr arg2,
const LocatorType* /* locator */) const
{
assert(arg1.null() == false && arg2.null() == false);
const XalanDOMString& theFirstString = arg1->str();
const XalanDOMString::size_type theFirstStringLength = length(theFirstString);
if (theFirstStringLength == 0)
{
return createEmptyString(executionContext);
}
else
{
const XalanDOMString& theSecondString = arg2->str();
const XalanDOMString::size_type theSecondStringLength = length(theSecondString);
if (theSecondStringLength == 0)
{
return createEmptyString(executionContext);
}
else
{
const XalanDOMString::size_type theIndex = indexOf(theFirstString,
theSecondString);
if (theIndex == theFirstStringLength)
{
return createEmptyString(executionContext);
}
else
{
XPathExecutionContext::GetAndReleaseCachedString theResult(executionContext);
XalanDOMString& theString = theResult.get();
theString.assign(
toCharArray(theFirstString),
theIndex);
// Create a string of the appropriate length...
return executionContext.getXObjectFactory().createString(theResult);
}
}
}
}
XObjectPtr
FunctionString::execute(
XPathExecutionContext& executionContext,
XalanNode* context,
const LocatorType* locator) const
{
if (context == 0)
{
XPathExecutionContext::GetAndReleaseCachedString theGuard(executionContext);
XalanDOMString& theResult = theGuard.get();
executionContext.error(
XalanMessageLoader::getMessage(
theResult,
XalanMessages::FunctionRequiresNonNullContextNode_1Param,
"string"),
context,
locator);
// Dummy return value...
return XObjectPtr();
}
else
{
// The XPath standard says that if there are no arguments,
// the argument defaults to a node set with the context node
// as the only member. The string value of a node set is the
// string value of the first node in the node set.
// DOMServices::getNodeData() will give us the data.
// Get a cached string...
XPathExecutionContext::GetAndReleaseCachedString theData(executionContext);
XalanDOMString& theString = theData.get();
DOMServices::getNodeData(*context, theString);
return executionContext.getXObjectFactory().createString(theData);
}
}
XALAN_CPP_NAMESPACE_USE
/**
* Execute an XPath function object. The function must return a valid
* XObject.
*
* @param executionContext executing context
* @param context current context node
* @param opPos current op position
* @param args vector of pointers to XObject arguments
* @return pointer to the result XObject
*/
XObjectPtr FunctionHash::execute( XPathExecutionContext& executionContext, XalanNode* context, const XObjectArgVectorType& args, const LocatorType* locator ) const
{
if ( args.size() != 1 )
{
stringstream errorMessage;
errorMessage << "The Hash() function takes one argument! [ stringToCRC ], but received " << args.size();
#if (_XALAN_VERSION >= 11100)
executionContext.problem( XPathExecutionContext::eXPath, XPathExecutionContext::eError, XalanDOMString( errorMessage.str().c_str() ), locator, context);
#else
executionContext.error( XalanDOMString( errorMessage.str().c_str() ), context );
#endif
}
string stringToCalculateCRC = localForm( ( const XMLCh* )( args[0]->str().data() ) );
//DEBUG( "Expression to calculate crc for : [" << stringToCalculateCRC << "]" );
stringstream messageHash;
/*MD5 md5Value;
md5Value.update( ( unsigned char* )&stringToCalculateCRC , stringToCalculateCRC.length() );
md5Value.finalize ();
*/
//DEBUG( "MD5 = [" << md5Value.hex_digest() << "]" );
//return executionContext.getXObjectFactory().createString( unicodeForm( md5Value.hex_digest() ) );
return executionContext.getXObjectFactory().createString( unicodeForm( md5( stringToCalculateCRC ).c_str() ) );
}
XObjectPtr
FunctionStartsWith::execute(
XPathExecutionContext& executionContext,
XalanNode* /* context */,
const XObjectPtr arg1,
const XObjectPtr arg2,
const Locator* const /* locator */) const
{
assert(arg1.null() == false && arg2.null() == false);
const bool fStartsWith =
startsWith(
arg1->str(executionContext),
arg2->str(executionContext));
return executionContext.getXObjectFactory().createBoolean(fStartsWith);
}
XObjectPtr
FunctionGenerateID::execute(
XPathExecutionContext& executionContext,
XalanNode* /* context */,
const XObjectPtr arg1,
const LocatorType* locator) const
{
assert(arg1.null() == false);
const NodeRefListBase& theNodeList = arg1->nodeset();
if (theNodeList.getLength() == 0)
{
return executionContext.getXObjectFactory().createStringReference(s_emptyString);
}
else
{
return execute(executionContext, theNodeList.item(0), locator);
}
}
XObjectPtr
FunctionString::execute(
XPathExecutionContext& executionContext,
XalanNode* /* context */,
const XObjectPtr arg1,
const LocatorType* /* locator */) const
{
assert(arg1.null() == false);
if (arg1->getType() == XObject::eTypeString)
{
// Since XObjects are reference counted, just return the
// argument.
return arg1;
}
else
{
return executionContext.getXObjectFactory().createStringAdapter(arg1);
}
}
void
Function::generalError(
XPathExecutionContext& executionContext,
const XalanNode* context,
const Locator* locator) const
{
const GetCachedString theGuard(executionContext);
XalanDOMString& theErrorString = theGuard.get();
executionContext.problem(
XPathExecutionContext::eXPath,
XPathExecutionContext::eError,
getError(theErrorString),
locator,
context);
throw XalanXPathException(
theErrorString,
theErrorString.getMemoryManager(),
locator);
}
XALAN_CPP_NAMESPACE_BEGIN
XObjectPtr
XalanEXSLTFunctionEvaluate::execute(
XPathExecutionContext& executionContext,
XalanNode* context,
const XObjectArgVectorType& args,
const LocatorType* locator) const
{
try
{
return ParentType::execute(executionContext, context, args, locator);
}
catch(const XSLException&)
{
}
XPathExecutionContext::BorrowReturnMutableNodeRefList theGuard(executionContext);
return executionContext.getXObjectFactory().createNodeSet(theGuard);
}
XObjectPtr
FunctionSample::execute(
XPathExecutionContext& executionContext,
XalanNode* /* context */,
const XObjectPtr arg1,
const XObjectPtr arg2,
const Locator* /* locator */) const
{
assert(arg1.null() == false);
assert(arg2.null() == false);
XalanDOMString path;
arg1->str(path);
const bool bLinux = arg2->boolean();
XalanDOMChar dchOld;
XalanDOMChar dchNew;
if (bLinux)
{
dchOld = '\\';
dchNew = '/';
}
else
{
dchOld = '/';
dchOld = '\\';
}
int len = path.length();
for (int i=0; i<len; i++)
if (path[i] == dchOld)
path[i] = dchNew;
return executionContext.getXObjectFactory().createString(path);
}
GetCachedNodeList(XPathExecutionContext& executionContext) :
m_xpathExecutionContext(&executionContext),
m_mutableNodeRefList(executionContext.borrowMutableNodeRefList())
{
assert(m_mutableNodeRefList != 0);
}
bool
TestAxisResult(
XPathProcessor& theXPathProcessor,
XPathEnvSupport& theXPathEnvSupport,
DOMSupport& theDOMSupport,
XMLParserLiaison& theLiaison,
XPathFactory& theXPathFactory,
const XalanDOMString& theXMLFileURL,
const XalanDOMString& theXSLFileURL,
PrintWriter& thePrintWriter,
XPathExecutionContext& theExecutionContext)
{
bool fError = false;
XalanDocument* const theXMLDocument = ParseXML(theLiaison,
theXMLFileURL);
MemoryManagerType& theMemoryManager =
theExecutionContext.getMemoryManager();
if (theXMLDocument != 0)
{
XalanDOMString theContextNodeMatchPattern(theMemoryManager);
XalanDOMString theXPathString(theMemoryManager);
if (GetXSLInput(theLiaison,
theXSLFileURL,
theContextNodeMatchPattern,
theXPathString,
theMemoryManager) == true)
{
XalanNode* const theContextNode =
FindContextNode(theXPathProcessor,
theXPathEnvSupport,
theDOMSupport,
theXPathFactory,
theXMLDocument,
theContextNodeMatchPattern,
thePrintWriter,
theExecutionContext);
if (theContextNode != 0)
{
XalanElement* const theNamespaceContext = 0;
ElementPrefixResolverProxy thePrefixResolver(theNamespaceContext, theXPathEnvSupport, theDOMSupport);
NodeRefList theContextNodeList(theMemoryManager);
XPath* const theXPath = theXPathFactory.create();
XPathConstructionContextDefault theXPathConstructionContext(theMemoryManager);
XPathGuard theGuard(theXPathFactory,
theXPath);
theXPathProcessor.initXPath(*theXPath,
theXPathConstructionContext,
theXPathString,
thePrefixResolver);
bool fDump = false;
if (fDump == true)
{
thePrintWriter.println();
thePrintWriter.println();
theXPath->getExpression().dumpOpCodeMap(thePrintWriter);
thePrintWriter.println();
theXPath->getExpression().dumpTokenQueue(thePrintWriter);
thePrintWriter.println();
thePrintWriter.println();
}
const XObjectPtr theResult =
theXPath->execute(theContextNode, thePrefixResolver, theContextNodeList, theExecutionContext);
try
{
assert(theResult.null() == false);
const NodeRefListBase& theResultList =
theResult->nodeset();
const unsigned int theLength = theResultList.getLength();
if (theLength == 0)
{
thePrintWriter.println("<out/>");
}
else
{
thePrintWriter.print("<out>");
for (unsigned int i = 0; i < theLength; i++)
{
thePrintWriter.print(theResultList.item(i)->getNodeName());
thePrintWriter.print(" ");
}
thePrintWriter.println("</out>");
}
}
catch(...)
{
thePrintWriter.print("Execution of XPath ");
thePrintWriter.print(theXPathString);
thePrintWriter.println(" failed!");
}
}
}
}
theLiaison.reset();
return fError;
}
XObjectPtr
FunctionSubstringAfter::execute(
XPathExecutionContext& executionContext,
XalanNode* /* context */,
const XObjectPtr arg1,
const XObjectPtr arg2,
const LocatorType* /* locator */) const
{
assert(arg1.null() == false && arg2.null() == false);
const XalanDOMString& theFirstString = arg1->str();
const XalanDOMString::size_type theFirstStringLength = length(theFirstString);
if (theFirstStringLength == 0)
{
return createEmptyString(executionContext);
}
else
{
const XalanDOMString& theSecondString = arg2->str();
const XalanDOMString::size_type theSecondStringLength = length(theSecondString);
if (theSecondStringLength == 0)
{
return arg1;
}
else
{
const XalanDOMString::size_type theIndex = indexOf(theFirstString,
theSecondString);
if (theIndex == theFirstStringLength)
{
return createEmptyString(executionContext);
}
else
{
const XalanDOMString::size_type theSecondStringLength = length(theSecondString);
// Find the first character, which will be the offset of the index of the
// beginning of the second string, plus the length of the second string.
const XalanDOMChar* const theFirstCharacter =
toCharArray(theFirstString) + theIndex + theSecondStringLength;
// The remaining length is just the opposite -- the length of the string,
// minus the index, minus the length of the second string.
const XalanDOMString::size_type theSubstringLength =
theFirstStringLength - theIndex - theSecondStringLength;
XPathExecutionContext::GetAndReleaseCachedString theResult(executionContext);
XalanDOMString& theString = theResult.get();
assign(
theString,
theFirstCharacter,
theSubstringLength);
return executionContext.getXObjectFactory().createString(theResult);
}
}
}
}
bool
TestPredicateResult(
XPathProcessor& theXPathProcessor,
XPathEnvSupport& theXPathEnvSupport,
DOMSupport& theDOMSupport,
XMLParserLiaison& theLiaison,
XPathFactory& theXPathFactory,
const XalanDOMString& theXMLFileURL,
const XalanDOMString& theXSLFileURL,
PrintWriter& thePrintWriter,
XPathExecutionContext& theExecutionContext)
{
bool fError = false;
XalanDocument* const theXMLDocument =
ParseXML(theLiaison,
theXMLFileURL);
MemoryManagerType& theMemoryManager =
theExecutionContext.getMemoryManager();
if (theXMLDocument != 0)
{
XalanDOMString theContextNodeMatchPattern(theMemoryManager);
XalanDOMString theXPathString(theMemoryManager);
if (GetXSLInput(theLiaison,
theXSLFileURL,
theContextNodeMatchPattern,
theXPathString,
theMemoryManager) == true)
{
XalanNode* const theContextNode =
FindContextNode(theXPathProcessor,
theXPathEnvSupport,
theDOMSupport,
theXPathFactory,
theXMLDocument,
theContextNodeMatchPattern,
thePrintWriter,
theExecutionContext);
if (theContextNode != 0)
{
XalanElement* const theNamespaceContext = 0;
ElementPrefixResolverProxy thePrefixResolver(theNamespaceContext, theXPathEnvSupport, theDOMSupport);
NodeRefList theContextNodeList(theMemoryManager);
XPath* const theXPath1 = theXPathFactory.create();
XPathConstructionContextDefault theXPathConstructionContext(theMemoryManager);
XPathGuard theGuard1(theXPathFactory,
theXPath1);
XalanDOMString theResult(theMemoryManager);
theXPathProcessor.initXPath(*theXPath1,
theXPathConstructionContext,
TranscodeFromLocalCodePage("following-sibling::*", theResult),
thePrefixResolver);
XPath* const theXPath2 = theXPathFactory.create();
XPathGuard theGuard2(theXPathFactory,
theXPath2);
theXPathProcessor.initXPath(*theXPath2,
theXPathConstructionContext,
TranscodeFromLocalCodePage("descendant::*", theResult),
thePrefixResolver);
bool fDump = false;
if (fDump == true)
{
thePrintWriter.println();
thePrintWriter.println();
theXPath1->getExpression().dumpOpCodeMap(thePrintWriter);
thePrintWriter.println();
theXPath1->getExpression().dumpTokenQueue(thePrintWriter);
thePrintWriter.println();
thePrintWriter.println();
theXPath2->getExpression().dumpOpCodeMap(thePrintWriter);
thePrintWriter.println();
theXPath2->getExpression().dumpTokenQueue(thePrintWriter);
thePrintWriter.println();
thePrintWriter.println();
}
XalanNode* theContextNode = theXMLDocument->getFirstChild()->getFirstChild();
for( ; theContextNode != 0; theContextNode = theContextNode->getNextSibling())
{
if (theContextNode->getNodeType() != XalanNode::ELEMENT_NODE)
{
continue;
}
const XObjectPtr theResult1 =
theXPath1->execute(theExecutionContext);
try
{
assert(theResult1.null() == false);
const NodeRefListBase& theResultList =
theResult1->nodeset();
const unsigned int theLength = theResultList.getLength();
thePrintWriter.print("theResult1->str() == \"");
thePrintWriter.print(theResult1->str());
thePrintWriter.print("\"");
thePrintWriter.println();
if (theLength > 0)
{
for (unsigned int i = 0; i < theLength; i++)
{
thePrintWriter.print(theResultList.item(i)->getNodeName());
thePrintWriter.println();
}
}
}
catch(...)
{
thePrintWriter.print("Execution of XPath ");
thePrintWriter.print(theXPathString);
thePrintWriter.println(" failed!");
}
const XObjectPtr theResult2 =
theXPath2->execute(theExecutionContext);
try
{
assert(theResult2.null() == false);
const NodeRefListBase& theResultList =
theResult2->nodeset();
const int theLength = theResultList.getLength();
thePrintWriter.print("theResult2->str() == \"");
thePrintWriter.print(theResult2->str());
thePrintWriter.print("\"");
thePrintWriter.println();
if (theLength > 0)
{
for (int i = 0; i < theLength; i++)
{
thePrintWriter.print(theResultList.item(i)->getNodeName());
thePrintWriter.println();
}
}
}
catch(...)
{
thePrintWriter.print("Execution of XPath ");
thePrintWriter.print(theXPathString);
thePrintWriter.println(" failed!");
}
if (theResult1->equals(*theResult2, theExecutionContext) == true)
{
thePrintWriter.print("theResult1 is equal to theResult2");
thePrintWriter.println();
thePrintWriter.print("theContextNode->getNodeName() == \"");
thePrintWriter.print(theContextNode->getNodeName());
thePrintWriter.print("\" theContextNode->getNodeValue() == \"");
thePrintWriter.print(theContextNode->getNodeValue());
thePrintWriter.println("\"");
}
}
}
}
}
return fError;
}
inline XObjectPtr
createEmptyString(XPathExecutionContext& executionContext)
{
return executionContext.getXObjectFactory().createStringReference(theEmptyString);
}
XObjectPtr
FunctionSubstring::execute(
XPathExecutionContext& executionContext,
XalanNode* /* context */,
const XObjectPtr arg1,
const XObjectPtr arg2,
const XObjectPtr arg3,
const LocatorType* /* locator */) const
{
assert(arg1.null() == false && arg2.null() == false);
const XalanDOMString& theSourceString = arg1->str();
const XalanDOMString::size_type theSourceStringLength = length(theSourceString);
if (theSourceStringLength == 0)
{
return createEmptyString(executionContext);
}
else
{
// Get the value of the second argument...
const double theSecondArgValue =
DoubleSupport::round(arg2->num());
// XPath indexes from 1, so this is the first XPath index....
const XalanDOMString::size_type theStartIndex = getStartIndex(theSecondArgValue, theSourceStringLength);
if (theStartIndex >= theSourceStringLength)
{
return createEmptyString(executionContext);
}
else
{
const double theTotal =
getTotal(theSourceStringLength, theSecondArgValue, arg3);
if (DoubleSupport::isNaN(theSecondArgValue) == true ||
DoubleSupport::isNaN(theTotal) == true ||
DoubleSupport::isNegativeInfinity(theTotal) == true ||
theTotal == 0.0 ||
theTotal < double(theStartIndex))
{
return createEmptyString(executionContext);
}
else
{
const XalanDOMString::size_type theSubstringLength =
getSubstringLength(
theSourceStringLength,
theStartIndex,
theTotal);
XPathExecutionContext::GetAndReleaseCachedString theResult(executionContext);
XalanDOMString& theString = theResult.get();
assign(
theString,
toCharArray(theSourceString) + theStartIndex,
theSubstringLength);
return executionContext.getXObjectFactory().createString(theResult);
}
}
}
}
GetCachedString(XPathExecutionContext& theExecutionContext) :
m_executionContext(&theExecutionContext),
m_string(&theExecutionContext.getCachedString())
{
}
