diff options
Diffstat (limited to 'source/XMLParser.h')
| -rw-r--r-- | source/XMLParser.h | 1402 |
1 files changed, 701 insertions, 701 deletions
diff --git a/source/XMLParser.h b/source/XMLParser.h index a6b571862..f492d1a5d 100644 --- a/source/XMLParser.h +++ b/source/XMLParser.h @@ -1,701 +1,701 @@ -
-// XMLParser.h
-
-// Interfaces to the CXMLParser class representing the base class for XML parsing
-
-// To use, derive a class from this base and override its OnStartElement(), OnEndElement() and OnCharacters() functions
-
-
-
-
-
-#pragma once
-
-#include "expat/expat.h"
-
-
-
-
-
-class CXMLParser
-{
-public:
- CXMLParser(void);
- virtual ~CXMLParser();
-
- // The actual parsing, may be called several times; the last time needs iIsFinal == true (-> flush)
- int Parse(const char * iData, size_t iLength, bool iIsFinal = false);
-
-private:
- // LibExpat stuff:
- XML_Parser mParser;
-
- static void StartElementHandler(void * iContext, const XML_Char * iElement, const XML_Char ** iAttributes)
- {
- ((CXMLParser *)iContext)->OnStartElement(iElement, iAttributes);
- }
-
- static void EndElementHandler (void * iContext, const XML_Char * iElement)
- {
- ((CXMLParser *)iContext)->OnEndElement(iElement);
- }
-
- static void CharacterDataHandler (void * iContext, const XML_Char * iData, int iLength)
- {
- ((CXMLParser *)iContext)->OnCharacters(iData, iLength);
- }
-
-protected:
- virtual void OnStartElement(const XML_Char * iElement, const XML_Char ** iAttributes) = 0;
- virtual void OnEndElement (const XML_Char * iElement) = 0;
- virtual void OnCharacters (const XML_Char * iCharacters, int iLength) = 0;
-} ;
-
-
-
-
-
-///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// The following template has been modified from code available at
-// http://www.codeproject.com/Articles/1847/C-Wrappers-for-the-Expat-XML-Parser
-// It uses templates to remove the virtual function call penalty (both size and speed) for each callback
-
-/* Usage:
-1, Declare a subclass:
- class CMyParser : public CExpatImpl<CMyParser>
-2, Declare handlers that you want in that subclass:
- void CMyParser::OnEndElement(const XML_Char * iTagName);
-3, Create an instance of your class:
- CMyParser Parser;
-4, Call Create():
- Parser.Create(NULL, NULL);
-4, Call Parse(), repeatedly:
- Parser.Parse(Buffer, Length);
-*/
-
-template <class _T>
-class CExpatImpl
-{
-
-// @access Constructors and destructors
-public:
-
- // @cmember General constructor
-
- CExpatImpl ()
- {
- m_p = NULL;
- }
-
- // @cmember Destructor
-
- ~CExpatImpl ()
- {
- Destroy ();
- }
-
-// @access Parser creation and deletion methods
-public:
-
- // @cmember Create a parser
-
- bool Create (const XML_Char * pszEncoding = NULL, const XML_Char * pszSep = NULL)
- {
- // Destroy the old parser
- Destroy ();
-
- // If the encoding or seperator are empty, then NULL
- if (pszEncoding != NULL && pszEncoding [0] == 0)
- {
- pszEncoding = NULL;
- }
- if (pszSep != NULL && pszSep [0] == 0)
- {
- pszSep = NULL;
- }
-
- // Create the new parser
- m_p = XML_ParserCreate_MM (pszEncoding, NULL, pszSep);
- if (m_p == NULL)
- {
- return false;
- }
-
- // Invoke the post create routine
- _T * pThis = static_cast <_T *> (this);
- pThis ->OnPostCreate ();
-
- // Set the user data used in callbacks
- XML_SetUserData (m_p, (void *) this);
- return true;
- }
-
- // @cmember Destroy the parser
-
- void Destroy (void)
- {
- if (m_p != NULL)
- {
- XML_ParserFree (m_p);
- }
- m_p = NULL;
- }
-
-
- // @cmember Parse a block of data
-
- bool Parse (const char *pszBuffer, int nLength, bool fIsFinal = true)
- {
- assert (m_p != NULL);
- return XML_Parse (m_p, pszBuffer, nLength, fIsFinal) != 0;
- }
-
- // @cmember Parse internal buffer
-
- bool ParseBuffer (int nLength, bool fIsFinal = true)
- {
- assert (m_p != NULL);
- return XML_ParseBuffer (m_p, nLength, fIsFinal) != 0;
- }
-
- // @cmember Get the internal buffer
-
- void *GetBuffer (int nLength)
- {
- assert (m_p != NULL);
- return XML_GetBuffer (m_p, nLength);
- }
-
-
-protected:
- // Parser callback enable/disable methods:
-
- // @cmember Enable/Disable the start element handler
-
- void EnableStartElementHandler (bool fEnable = true)
- {
- assert (m_p != NULL);
- XML_SetStartElementHandler (m_p, fEnable ? StartElementHandler : NULL);
- }
-
- // @cmember Enable/Disable the end element handler
-
- void EnableEndElementHandler (bool fEnable = true)
- {
- assert (m_p != NULL);
- XML_SetEndElementHandler (m_p, fEnable ? EndElementHandler : NULL);
- }
-
- // @cmember Enable/Disable the element handlers
-
- void EnableElementHandler (bool fEnable = true)
- {
- assert (m_p != NULL);
- EnableStartElementHandler (fEnable);
- EnableEndElementHandler (fEnable);
- }
-
- // @cmember Enable/Disable the character data handler
-
- void EnableCharacterDataHandler (bool fEnable = true)
- {
- assert (m_p != NULL);
- XML_SetCharacterDataHandler (m_p, fEnable ? CharacterDataHandler : NULL);
- }
-
- // @cmember Enable/Disable the processing instruction handler
-
- void EnableProcessingInstructionHandler (bool fEnable = true)
- {
- assert (m_p != NULL);
- XML_SetProcessingInstructionHandler (m_p, fEnable ? ProcessingInstructionHandler : NULL);
- }
-
- // @cmember Enable/Disable the comment handler
-
- void EnableCommentHandler (bool fEnable = true)
- {
- assert (m_p != NULL);
- XML_SetCommentHandler (m_p, fEnable ? CommentHandler : NULL);
- }
-
- // @cmember Enable/Disable the start CDATA section handler
-
- void EnableStartCdataSectionHandler (bool fEnable = true)
- {
- assert (m_p != NULL);
- XML_SetStartCdataSectionHandler (m_p, fEnable ? StartCdataSectionHandler : NULL);
- }
-
- // @cmember Enable/Disable the end CDATA section handler
-
- void EnableEndCdataSectionHandler (bool fEnable = true)
- {
- assert (m_p != NULL);
- XML_SetEndCdataSectionHandler (m_p, fEnable ? EndCdataSectionHandler : NULL);
- }
-
- // @cmember Enable/Disable the CDATA section handlers
-
- void EnableCdataSectionHandler (bool fEnable = true)
- {
- assert (m_p != NULL);
- EnableStartCdataSectionHandler (fEnable);
- EnableEndCdataSectionHandler (fEnable);
- }
-
- // @cmember Enable/Disable default handler
-
- void EnableDefaultHandler (bool fEnable = true, bool fExpand = true)
- {
- assert (m_p != NULL);
- if (fExpand)
- {
- XML_SetDefaultHandlerExpand (m_p, fEnable ? DefaultHandler : NULL);
- }
- else
- XML_SetDefaultHandler (m_p, fEnable ? DefaultHandler : NULL);
- }
-
- // @cmember Enable/Disable external entity ref handler
-
- void EnableExternalEntityRefHandler (bool fEnable = true)
- {
- assert (m_p != NULL);
- XML_SetExternalEntityRefHandler (m_p, fEnable ? ExternalEntityRefHandler : NULL);
- }
-
- // @cmember Enable/Disable unknown encoding handler
-
- void EnableUnknownEncodingHandler (bool fEnable = true)
- {
- assert (m_p != NULL);
- XML_SetUnknownEncodingHandler (m_p, fEnable ? UnknownEncodingHandler : NULL);
- }
-
- // @cmember Enable/Disable start namespace handler
-
- void EnableStartNamespaceDeclHandler (bool fEnable = true)
- {
- assert (m_p != NULL);
- XML_SetStartNamespaceDeclHandler (m_p, fEnable ? StartNamespaceDeclHandler : NULL);
- }
-
- // @cmember Enable/Disable end namespace handler
-
- void EnableEndNamespaceDeclHandler (bool fEnable = true)
- {
- assert (m_p != NULL);
- XML_SetEndNamespaceDeclHandler (m_p, fEnable ? EndNamespaceDeclHandler : NULL);
- }
-
- // @cmember Enable/Disable namespace handlers
-
- void EnableNamespaceDeclHandler (bool fEnable = true)
- {
- EnableStartNamespaceDeclHandler (fEnable);
- EnableEndNamespaceDeclHandler (fEnable);
- }
-
- // @cmember Enable/Disable the XML declaration handler
-
- void EnableXmlDeclHandler (bool fEnable = true)
- {
- assert (m_p != NULL);
- XML_SetXmlDeclHandler (m_p, fEnable ? XmlDeclHandler : NULL);
- }
-
- // @cmember Enable/Disable the start DOCTYPE declaration handler
-
- void EnableStartDoctypeDeclHandler (bool fEnable = true)
- {
- assert (m_p != NULL);
- XML_SetStartDoctypeDeclHandler (m_p, fEnable ? StartDoctypeDeclHandler : NULL);
- }
-
- // @cmember Enable/Disable the end DOCTYPE declaration handler
-
- void EnableEndDoctypeDeclHandler (bool fEnable = true)
- {
- assert (m_p != NULL);
- XML_SetEndDoctypeDeclHandler (m_p,
- fEnable ? EndDoctypeDeclHandler : NULL);
- }
-
- // @cmember Enable/Disable the DOCTYPE declaration handler
-
- void EnableDoctypeDeclHandler (bool fEnable = true)
- {
- assert (m_p != NULL);
- EnableStartDoctypeDeclHandler (fEnable);
- EnableEndDoctypeDeclHandler (fEnable);
- }
-
-public:
- // Parser error reporting methods
-
- // @cmember Get last error
-
- enum XML_Error GetErrorCode ()
- {
- assert (m_p != NULL);
- return XML_GetErrorCode (m_p);
- }
-
- // @cmember Get the current byte index
-
- long GetCurrentByteIndex ()
- {
- assert (m_p != NULL);
- return XML_GetCurrentByteIndex (m_p);
- }
-
- // @cmember Get the current line number
-
- int GetCurrentLineNumber ()
- {
- assert (m_p != NULL);
- return XML_GetCurrentLineNumber (m_p);
- }
-
- // @cmember Get the current column number
-
- int GetCurrentColumnNumber ()
- {
- assert (m_p != NULL);
- return XML_GetCurrentColumnNumber (m_p);
- }
-
- // @cmember Get the current byte count
-
- int GetCurrentByteCount ()
- {
- assert (m_p != NULL);
- return XML_GetCurrentByteCount (m_p);
- }
-
- // @cmember Get the input context
-
- const char *GetInputContext (int *pnOffset, int *pnSize)
- {
- assert (m_p != NULL);
- return XML_GetInputContext (m_p, pnOffset, pnSize);
- }
-
- // @cmember Get last error string
-
- const XML_LChar *GetErrorString ()
- {
- return XML_ErrorString (GetErrorCode ());
- }
-
- // @cmember Return the version string
-
- static const XML_LChar *GetExpatVersion ()
- {
- return XML_ExpatVersion ();
- }
-
- // @cmember Get the version information
-
- static void GetExpatVersion (int *pnMajor, int *pnMinor, int *pnMicro)
- {
- XML_expat_version v = XML_ExpatVersionInfo ();
- if (pnMajor)
- *pnMajor = v .major;
- if (pnMinor)
- *pnMinor = v .minor;
- if (pnMicro)
- *pnMicro = v .micro;
- }
-
- // @cmember Get last error string
-
- static const XML_LChar *GetErrorString (enum XML_Error nError)
- {
- return XML_ErrorString (nError);
- }
-
-
- // Public handler methods:
- // The template parameter should provide their own implementation for those handlers that they want
-
- // @cmember Start element handler
-
- void OnStartElement (const XML_Char *pszName, const XML_Char **papszAttrs)
- {
- return;
- }
-
- // @cmember End element handler
-
- void OnEndElement (const XML_Char *pszName)
- {
- return;
- }
-
- // @cmember Character data handler
-
- void OnCharacterData (const XML_Char *pszData, int nLength)
- {
- return;
- }
-
- // @cmember Processing instruction handler
-
- void OnProcessingInstruction (const XML_Char *pszTarget,
- const XML_Char *pszData)
- {
- return;
- }
-
- // @cmember Comment handler
-
- void OnComment (const XML_Char *pszData)
- {
- return;
- }
-
- // @cmember Start CDATA section handler
-
- void OnStartCdataSection ()
- {
- return;
- }
-
- // @cmember End CDATA section handler
-
- void OnEndCdataSection ()
- {
- return;
- }
-
- // @cmember Default handler
-
- void OnDefault (const XML_Char *pszData, int nLength)
- {
- return;
- }
-
- // @cmember External entity ref handler
-
- bool OnExternalEntityRef (const XML_Char *pszContext,
- const XML_Char *pszBase, const XML_Char *pszSystemID,
- const XML_Char *pszPublicID)
- {
- return false;
- }
-
- // @cmember Unknown encoding handler
-
- bool OnUnknownEncoding (const XML_Char *pszName, XML_Encoding *pInfo)
- {
- return false;
- }
-
- // @cmember Start namespace declaration handler
-
- void OnStartNamespaceDecl (const XML_Char *pszPrefix,
- const XML_Char *pszURI)
- {
- return;
- }
-
- // @cmember End namespace declaration handler
-
- void OnEndNamespaceDecl (const XML_Char *pszPrefix)
- {
- return;
- }
-
- // @cmember XML declaration handler
-
- void OnXmlDecl (const XML_Char *pszVersion, const XML_Char *pszEncoding,
- bool fStandalone)
- {
- return;
- }
-
- // @cmember Start DOCTYPE declaration handler
-
- void OnStartDoctypeDecl (const XML_Char *pszDoctypeName,
- const XML_Char *pszSysID, const XML_Char *pszPubID,
- bool fHasInternalSubset)
- {
- return;
- }
-
- // @cmember End DOCTYPE declaration handler
-
- void OnEndDoctypeDecl ()
- {
- return;
- }
-
-// @access Protected methods
-protected:
-
- // @cmember Handle any post creation
-
- void OnPostCreate ()
- {
- }
-
-// @access Protected static methods
-protected:
-
- // @cmember Start element handler wrapper
-
- static void __cdecl StartElementHandler (void *pUserData,
- const XML_Char *pszName, const XML_Char **papszAttrs)
- {
- _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData);
- pThis ->OnStartElement (pszName, papszAttrs);
- }
-
- // @cmember End element handler wrapper
-
- static void __cdecl EndElementHandler (void *pUserData,
- const XML_Char *pszName)
- {
- _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData);
- pThis ->OnEndElement (pszName);
- }
-
- // @cmember Character data handler wrapper
-
- static void __cdecl CharacterDataHandler (void *pUserData,
- const XML_Char *pszData, int nLength)
- {
- _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData);
- pThis ->OnCharacterData (pszData, nLength);
- }
-
- // @cmember Processing instruction handler wrapper
-
- static void __cdecl ProcessingInstructionHandler (void *pUserData,
- const XML_Char *pszTarget, const XML_Char *pszData)
- {
- _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData);
- pThis ->OnProcessingInstruction (pszTarget, pszData);
- }
-
- // @cmember Comment handler wrapper
-
- static void __cdecl CommentHandler (void *pUserData,
- const XML_Char *pszData)
- {
- _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData);
- pThis ->OnComment (pszData);
- }
-
- // @cmember Start CDATA section wrapper
-
- static void __cdecl StartCdataSectionHandler (void *pUserData)
- {
- _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData);
- pThis ->OnStartCdataSection ();
- }
-
- // @cmember End CDATA section wrapper
-
- static void __cdecl EndCdataSectionHandler (void *pUserData)
- {
- _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData);
- pThis ->OnEndCdataSection ();
- }
-
- // @cmember Default wrapper
-
- static void __cdecl DefaultHandler (void *pUserData,
- const XML_Char *pszData, int nLength)
- {
- _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData);
- pThis ->OnDefault (pszData, nLength);
- }
-
- // @cmember External entity ref wrapper
-
- static int __cdecl ExternalEntityRefHandler (void *pUserData,
- const XML_Char *pszContext, const XML_Char *pszBase,
- const XML_Char *pszSystemID, const XML_Char *pszPublicID)
- {
- _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData);
- return pThis ->OnExternalEntityRef (pszContext,
- pszBase, pszSystemID, pszPublicID) ? 1 : 0;
- }
-
- // @cmember Unknown encoding wrapper
-
- static int __cdecl UnknownEncodingHandler (void * pUserData, const XML_Char * pszName, XML_Encoding * pInfo)
- {
- _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData);
- return pThis ->OnUnknownEncoding (pszName, pInfo) ? 1 : 0;
- }
-
- // @cmember Start namespace decl wrapper
-
- static void __cdecl StartNamespaceDeclHandler (void * pUserData, const XML_Char * pszPrefix, const XML_Char * pszURI)
- {
- _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData);
- pThis ->OnStartNamespaceDecl (pszPrefix, pszURI);
- }
-
- // @cmember End namespace decl wrapper
-
- static void __cdecl EndNamespaceDeclHandler (void * pUserData, const XML_Char * pszPrefix)
- {
- _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData);
- pThis ->OnEndNamespaceDecl (pszPrefix);
- }
-
- // @cmember XML declaration wrapper
-
- static void __cdecl XmlDeclHandler (void *pUserData, const XML_Char *pszVersion, const XML_Char *pszEncoding, int nStandalone)
- {
- _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData);
- pThis ->OnXmlDecl (pszVersion, pszEncoding, nStandalone != 0);
- }
-
- // @cmember Start Doctype declaration wrapper
-
- static void __cdecl StartDoctypeDeclHandler (
- void *pUserData, const XML_Char *pszDoctypeName, const XML_Char *pszSysID,
- const XML_Char *pszPubID, int nHasInternalSubset
- )
- {
- _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData);
- pThis ->OnStartDoctypeDecl (pszDoctypeName, pszSysID,
- pszPubID, nHasInternalSubset != 0);
- }
-
- // @cmember End Doctype declaration wrapper
-
- static void __cdecl EndDoctypeDeclHandler (void *pUserData)
- {
- _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData);
- pThis ->OnEndDoctypeDecl ();
- }
-
-
-protected:
-
- XML_Parser m_p;
-
- /// Returns the value of the specified attribute, if found; NULL otherwise
- static const XML_Char * FindAttr(const XML_Char ** iAttrs, const XML_Char * iAttrToFind)
- {
- for (const XML_Char ** Attr = iAttrs; *Attr != NULL; Attr += 2)
- {
- if (strcmp(*Attr, iAttrToFind) == 0)
- {
- return *(Attr + 1);
- }
- } // for Attr - iAttrs[]
- return NULL;
- }
-} ;
-
-
-
-
+ +// XMLParser.h + +// Interfaces to the CXMLParser class representing the base class for XML parsing + +// To use, derive a class from this base and override its OnStartElement(), OnEndElement() and OnCharacters() functions + + + + + +#pragma once + +#include "expat/expat.h" + + + + + +class CXMLParser +{ +public: + CXMLParser(void); + virtual ~CXMLParser(); + + // The actual parsing, may be called several times; the last time needs iIsFinal == true (-> flush) + int Parse(const char * iData, size_t iLength, bool iIsFinal = false); + +private: + // LibExpat stuff: + XML_Parser mParser; + + static void StartElementHandler(void * iContext, const XML_Char * iElement, const XML_Char ** iAttributes) + { + ((CXMLParser *)iContext)->OnStartElement(iElement, iAttributes); + } + + static void EndElementHandler (void * iContext, const XML_Char * iElement) + { + ((CXMLParser *)iContext)->OnEndElement(iElement); + } + + static void CharacterDataHandler (void * iContext, const XML_Char * iData, int iLength) + { + ((CXMLParser *)iContext)->OnCharacters(iData, iLength); + } + +protected: + virtual void OnStartElement(const XML_Char * iElement, const XML_Char ** iAttributes) = 0; + virtual void OnEndElement (const XML_Char * iElement) = 0; + virtual void OnCharacters (const XML_Char * iCharacters, int iLength) = 0; +} ; + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// The following template has been modified from code available at +// http://www.codeproject.com/Articles/1847/C-Wrappers-for-the-Expat-XML-Parser +// It uses templates to remove the virtual function call penalty (both size and speed) for each callback + +/* Usage: +1, Declare a subclass: + class CMyParser : public CExpatImpl<CMyParser> +2, Declare handlers that you want in that subclass: + void CMyParser::OnEndElement(const XML_Char * iTagName); +3, Create an instance of your class: + CMyParser Parser; +4, Call Create(): + Parser.Create(NULL, NULL); +4, Call Parse(), repeatedly: + Parser.Parse(Buffer, Length); +*/ + +template <class _T> +class CExpatImpl +{ + +// @access Constructors and destructors +public: + + // @cmember General constructor + + CExpatImpl () + { + m_p = NULL; + } + + // @cmember Destructor + + ~CExpatImpl () + { + Destroy (); + } + +// @access Parser creation and deletion methods +public: + + // @cmember Create a parser + + bool Create (const XML_Char * pszEncoding = NULL, const XML_Char * pszSep = NULL) + { + // Destroy the old parser + Destroy (); + + // If the encoding or seperator are empty, then NULL + if (pszEncoding != NULL && pszEncoding [0] == 0) + { + pszEncoding = NULL; + } + if (pszSep != NULL && pszSep [0] == 0) + { + pszSep = NULL; + } + + // Create the new parser + m_p = XML_ParserCreate_MM (pszEncoding, NULL, pszSep); + if (m_p == NULL) + { + return false; + } + + // Invoke the post create routine + _T * pThis = static_cast <_T *> (this); + pThis ->OnPostCreate (); + + // Set the user data used in callbacks + XML_SetUserData (m_p, (void *) this); + return true; + } + + // @cmember Destroy the parser + + void Destroy (void) + { + if (m_p != NULL) + { + XML_ParserFree (m_p); + } + m_p = NULL; + } + + + // @cmember Parse a block of data + + bool Parse (const char *pszBuffer, int nLength, bool fIsFinal = true) + { + assert (m_p != NULL); + return XML_Parse (m_p, pszBuffer, nLength, fIsFinal) != 0; + } + + // @cmember Parse internal buffer + + bool ParseBuffer (int nLength, bool fIsFinal = true) + { + assert (m_p != NULL); + return XML_ParseBuffer (m_p, nLength, fIsFinal) != 0; + } + + // @cmember Get the internal buffer + + void *GetBuffer (int nLength) + { + assert (m_p != NULL); + return XML_GetBuffer (m_p, nLength); + } + + +protected: + // Parser callback enable/disable methods: + + // @cmember Enable/Disable the start element handler + + void EnableStartElementHandler (bool fEnable = true) + { + assert (m_p != NULL); + XML_SetStartElementHandler (m_p, fEnable ? StartElementHandler : NULL); + } + + // @cmember Enable/Disable the end element handler + + void EnableEndElementHandler (bool fEnable = true) + { + assert (m_p != NULL); + XML_SetEndElementHandler (m_p, fEnable ? EndElementHandler : NULL); + } + + // @cmember Enable/Disable the element handlers + + void EnableElementHandler (bool fEnable = true) + { + assert (m_p != NULL); + EnableStartElementHandler (fEnable); + EnableEndElementHandler (fEnable); + } + + // @cmember Enable/Disable the character data handler + + void EnableCharacterDataHandler (bool fEnable = true) + { + assert (m_p != NULL); + XML_SetCharacterDataHandler (m_p, fEnable ? CharacterDataHandler : NULL); + } + + // @cmember Enable/Disable the processing instruction handler + + void EnableProcessingInstructionHandler (bool fEnable = true) + { + assert (m_p != NULL); + XML_SetProcessingInstructionHandler (m_p, fEnable ? ProcessingInstructionHandler : NULL); + } + + // @cmember Enable/Disable the comment handler + + void EnableCommentHandler (bool fEnable = true) + { + assert (m_p != NULL); + XML_SetCommentHandler (m_p, fEnable ? CommentHandler : NULL); + } + + // @cmember Enable/Disable the start CDATA section handler + + void EnableStartCdataSectionHandler (bool fEnable = true) + { + assert (m_p != NULL); + XML_SetStartCdataSectionHandler (m_p, fEnable ? StartCdataSectionHandler : NULL); + } + + // @cmember Enable/Disable the end CDATA section handler + + void EnableEndCdataSectionHandler (bool fEnable = true) + { + assert (m_p != NULL); + XML_SetEndCdataSectionHandler (m_p, fEnable ? EndCdataSectionHandler : NULL); + } + + // @cmember Enable/Disable the CDATA section handlers + + void EnableCdataSectionHandler (bool fEnable = true) + { + assert (m_p != NULL); + EnableStartCdataSectionHandler (fEnable); + EnableEndCdataSectionHandler (fEnable); + } + + // @cmember Enable/Disable default handler + + void EnableDefaultHandler (bool fEnable = true, bool fExpand = true) + { + assert (m_p != NULL); + if (fExpand) + { + XML_SetDefaultHandlerExpand (m_p, fEnable ? DefaultHandler : NULL); + } + else + XML_SetDefaultHandler (m_p, fEnable ? DefaultHandler : NULL); + } + + // @cmember Enable/Disable external entity ref handler + + void EnableExternalEntityRefHandler (bool fEnable = true) + { + assert (m_p != NULL); + XML_SetExternalEntityRefHandler (m_p, fEnable ? ExternalEntityRefHandler : NULL); + } + + // @cmember Enable/Disable unknown encoding handler + + void EnableUnknownEncodingHandler (bool fEnable = true) + { + assert (m_p != NULL); + XML_SetUnknownEncodingHandler (m_p, fEnable ? UnknownEncodingHandler : NULL); + } + + // @cmember Enable/Disable start namespace handler + + void EnableStartNamespaceDeclHandler (bool fEnable = true) + { + assert (m_p != NULL); + XML_SetStartNamespaceDeclHandler (m_p, fEnable ? StartNamespaceDeclHandler : NULL); + } + + // @cmember Enable/Disable end namespace handler + + void EnableEndNamespaceDeclHandler (bool fEnable = true) + { + assert (m_p != NULL); + XML_SetEndNamespaceDeclHandler (m_p, fEnable ? EndNamespaceDeclHandler : NULL); + } + + // @cmember Enable/Disable namespace handlers + + void EnableNamespaceDeclHandler (bool fEnable = true) + { + EnableStartNamespaceDeclHandler (fEnable); + EnableEndNamespaceDeclHandler (fEnable); + } + + // @cmember Enable/Disable the XML declaration handler + + void EnableXmlDeclHandler (bool fEnable = true) + { + assert (m_p != NULL); + XML_SetXmlDeclHandler (m_p, fEnable ? XmlDeclHandler : NULL); + } + + // @cmember Enable/Disable the start DOCTYPE declaration handler + + void EnableStartDoctypeDeclHandler (bool fEnable = true) + { + assert (m_p != NULL); + XML_SetStartDoctypeDeclHandler (m_p, fEnable ? StartDoctypeDeclHandler : NULL); + } + + // @cmember Enable/Disable the end DOCTYPE declaration handler + + void EnableEndDoctypeDeclHandler (bool fEnable = true) + { + assert (m_p != NULL); + XML_SetEndDoctypeDeclHandler (m_p, + fEnable ? EndDoctypeDeclHandler : NULL); + } + + // @cmember Enable/Disable the DOCTYPE declaration handler + + void EnableDoctypeDeclHandler (bool fEnable = true) + { + assert (m_p != NULL); + EnableStartDoctypeDeclHandler (fEnable); + EnableEndDoctypeDeclHandler (fEnable); + } + +public: + // Parser error reporting methods + + // @cmember Get last error + + enum XML_Error GetErrorCode () + { + assert (m_p != NULL); + return XML_GetErrorCode (m_p); + } + + // @cmember Get the current byte index + + long GetCurrentByteIndex () + { + assert (m_p != NULL); + return XML_GetCurrentByteIndex (m_p); + } + + // @cmember Get the current line number + + int GetCurrentLineNumber () + { + assert (m_p != NULL); + return XML_GetCurrentLineNumber (m_p); + } + + // @cmember Get the current column number + + int GetCurrentColumnNumber () + { + assert (m_p != NULL); + return XML_GetCurrentColumnNumber (m_p); + } + + // @cmember Get the current byte count + + int GetCurrentByteCount () + { + assert (m_p != NULL); + return XML_GetCurrentByteCount (m_p); + } + + // @cmember Get the input context + + const char *GetInputContext (int *pnOffset, int *pnSize) + { + assert (m_p != NULL); + return XML_GetInputContext (m_p, pnOffset, pnSize); + } + + // @cmember Get last error string + + const XML_LChar *GetErrorString () + { + return XML_ErrorString (GetErrorCode ()); + } + + // @cmember Return the version string + + static const XML_LChar *GetExpatVersion () + { + return XML_ExpatVersion (); + } + + // @cmember Get the version information + + static void GetExpatVersion (int *pnMajor, int *pnMinor, int *pnMicro) + { + XML_expat_version v = XML_ExpatVersionInfo (); + if (pnMajor) + *pnMajor = v .major; + if (pnMinor) + *pnMinor = v .minor; + if (pnMicro) + *pnMicro = v .micro; + } + + // @cmember Get last error string + + static const XML_LChar *GetErrorString (enum XML_Error nError) + { + return XML_ErrorString (nError); + } + + + // Public handler methods: + // The template parameter should provide their own implementation for those handlers that they want + + // @cmember Start element handler + + void OnStartElement (const XML_Char *pszName, const XML_Char **papszAttrs) + { + return; + } + + // @cmember End element handler + + void OnEndElement (const XML_Char *pszName) + { + return; + } + + // @cmember Character data handler + + void OnCharacterData (const XML_Char *pszData, int nLength) + { + return; + } + + // @cmember Processing instruction handler + + void OnProcessingInstruction (const XML_Char *pszTarget, + const XML_Char *pszData) + { + return; + } + + // @cmember Comment handler + + void OnComment (const XML_Char *pszData) + { + return; + } + + // @cmember Start CDATA section handler + + void OnStartCdataSection () + { + return; + } + + // @cmember End CDATA section handler + + void OnEndCdataSection () + { + return; + } + + // @cmember Default handler + + void OnDefault (const XML_Char *pszData, int nLength) + { + return; + } + + // @cmember External entity ref handler + + bool OnExternalEntityRef (const XML_Char *pszContext, + const XML_Char *pszBase, const XML_Char *pszSystemID, + const XML_Char *pszPublicID) + { + return false; + } + + // @cmember Unknown encoding handler + + bool OnUnknownEncoding (const XML_Char *pszName, XML_Encoding *pInfo) + { + return false; + } + + // @cmember Start namespace declaration handler + + void OnStartNamespaceDecl (const XML_Char *pszPrefix, + const XML_Char *pszURI) + { + return; + } + + // @cmember End namespace declaration handler + + void OnEndNamespaceDecl (const XML_Char *pszPrefix) + { + return; + } + + // @cmember XML declaration handler + + void OnXmlDecl (const XML_Char *pszVersion, const XML_Char *pszEncoding, + bool fStandalone) + { + return; + } + + // @cmember Start DOCTYPE declaration handler + + void OnStartDoctypeDecl (const XML_Char *pszDoctypeName, + const XML_Char *pszSysID, const XML_Char *pszPubID, + bool fHasInternalSubset) + { + return; + } + + // @cmember End DOCTYPE declaration handler + + void OnEndDoctypeDecl () + { + return; + } + +// @access Protected methods +protected: + + // @cmember Handle any post creation + + void OnPostCreate () + { + } + +// @access Protected static methods +protected: + + // @cmember Start element handler wrapper + + static void __cdecl StartElementHandler (void *pUserData, + const XML_Char *pszName, const XML_Char **papszAttrs) + { + _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData); + pThis ->OnStartElement (pszName, papszAttrs); + } + + // @cmember End element handler wrapper + + static void __cdecl EndElementHandler (void *pUserData, + const XML_Char *pszName) + { + _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData); + pThis ->OnEndElement (pszName); + } + + // @cmember Character data handler wrapper + + static void __cdecl CharacterDataHandler (void *pUserData, + const XML_Char *pszData, int nLength) + { + _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData); + pThis ->OnCharacterData (pszData, nLength); + } + + // @cmember Processing instruction handler wrapper + + static void __cdecl ProcessingInstructionHandler (void *pUserData, + const XML_Char *pszTarget, const XML_Char *pszData) + { + _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData); + pThis ->OnProcessingInstruction (pszTarget, pszData); + } + + // @cmember Comment handler wrapper + + static void __cdecl CommentHandler (void *pUserData, + const XML_Char *pszData) + { + _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData); + pThis ->OnComment (pszData); + } + + // @cmember Start CDATA section wrapper + + static void __cdecl StartCdataSectionHandler (void *pUserData) + { + _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData); + pThis ->OnStartCdataSection (); + } + + // @cmember End CDATA section wrapper + + static void __cdecl EndCdataSectionHandler (void *pUserData) + { + _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData); + pThis ->OnEndCdataSection (); + } + + // @cmember Default wrapper + + static void __cdecl DefaultHandler (void *pUserData, + const XML_Char *pszData, int nLength) + { + _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData); + pThis ->OnDefault (pszData, nLength); + } + + // @cmember External entity ref wrapper + + static int __cdecl ExternalEntityRefHandler (void *pUserData, + const XML_Char *pszContext, const XML_Char *pszBase, + const XML_Char *pszSystemID, const XML_Char *pszPublicID) + { + _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData); + return pThis ->OnExternalEntityRef (pszContext, + pszBase, pszSystemID, pszPublicID) ? 1 : 0; + } + + // @cmember Unknown encoding wrapper + + static int __cdecl UnknownEncodingHandler (void * pUserData, const XML_Char * pszName, XML_Encoding * pInfo) + { + _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData); + return pThis ->OnUnknownEncoding (pszName, pInfo) ? 1 : 0; + } + + // @cmember Start namespace decl wrapper + + static void __cdecl StartNamespaceDeclHandler (void * pUserData, const XML_Char * pszPrefix, const XML_Char * pszURI) + { + _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData); + pThis ->OnStartNamespaceDecl (pszPrefix, pszURI); + } + + // @cmember End namespace decl wrapper + + static void __cdecl EndNamespaceDeclHandler (void * pUserData, const XML_Char * pszPrefix) + { + _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData); + pThis ->OnEndNamespaceDecl (pszPrefix); + } + + // @cmember XML declaration wrapper + + static void __cdecl XmlDeclHandler (void *pUserData, const XML_Char *pszVersion, const XML_Char *pszEncoding, int nStandalone) + { + _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData); + pThis ->OnXmlDecl (pszVersion, pszEncoding, nStandalone != 0); + } + + // @cmember Start Doctype declaration wrapper + + static void __cdecl StartDoctypeDeclHandler ( + void *pUserData, const XML_Char *pszDoctypeName, const XML_Char *pszSysID, + const XML_Char *pszPubID, int nHasInternalSubset + ) + { + _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData); + pThis ->OnStartDoctypeDecl (pszDoctypeName, pszSysID, + pszPubID, nHasInternalSubset != 0); + } + + // @cmember End Doctype declaration wrapper + + static void __cdecl EndDoctypeDeclHandler (void *pUserData) + { + _T *pThis = static_cast <_T *> ((CExpatImpl <_T> *) pUserData); + pThis ->OnEndDoctypeDecl (); + } + + +protected: + + XML_Parser m_p; + + /// Returns the value of the specified attribute, if found; NULL otherwise + static const XML_Char * FindAttr(const XML_Char ** iAttrs, const XML_Char * iAttrToFind) + { + for (const XML_Char ** Attr = iAttrs; *Attr != NULL; Attr += 2) + { + if (strcmp(*Attr, iAttrToFind) == 0) + { + return *(Attr + 1); + } + } // for Attr - iAttrs[] + return NULL; + } +} ; + + + + |