sblogmapper.cpp

OSB-PIK-OpenVXI-3.0.0源代码 “中国XML论坛 - 专业的XML技术讨论区--XML在语音技术中的应用”

 /****************License************************************************
  *
  * Copyright 2000-2003.  ScanSoft, Inc.    
  *
  * Use of this software is subject to notices and obligations set forth 
  * in the SpeechWorks Public License - Software Version 1.2 which is 
  * included with this software. 
  *
  * ScanSoft is a registered trademark of ScanSoft, Inc., and OpenSpeech, 
  * SpeechWorks and the SpeechWorks logo are registered trademarks or 
  * trademarks of SpeechWorks International, Inc. in the United States 
  * and other countries.
  *
  ***********************************************************************/
 

 #define SBLOGMAPPER_EXPORTS
 #include "SBlogMapper.h"
 
 #include <map>                  // For STL map template class
 #include <string>
 #ifdef WIN32
 #include <windows.h>
 #endif
 
 #if defined(__GNUC__) && (! defined(_GLIBCPP_USE_WCHAR_T))
 namespace std
 {
   typedef basic_string<wchar_t> wstring;
 }
 #endif
 
 #ifndef MODULE_PREFIX
 #define MODULE_PREFIX  COMPANY_DOMAIN L"."
 #endif
 #define MODULE_NAME MODULE_PREFIX L"SBlog"
 
 #ifdef HAVE_XERCES
 #include <util/PlatformUtils.hpp>       // Xerces headers
 #include <parsers/SAXParser.hpp>
 #include <sax/HandlerBase.hpp>
 using namespace xercesc;
 #else
 #pragma message("WARNING: HAVE_XERCES not defined, need Apache Xerces to enable the XML error text lookup feature")
 #endif
 
 #include "SBlogOSUtils.h"
 
 static const VXIchar *EMPTY_STRING = L"";
 
 // platform independent util functions convert a wide char to int
 static int wtoint(const VXIchar *strval)
 {
   char mystr[128];
   if( strval == NULL ) return 0;
   SBlogWchar2Latin1(strval, mystr, 127);
   return atoi(mystr);
 }
 
 //=================================================================
 //
 //  ONLY COMPILE IF HAVE_XERCES IS DEFINED
 //
 //=================================================================
 #ifdef HAVE_XERCES
 
 // Error mapper
 class SBlogErrorMapper {
 public:
   SBlogErrorMapper() : xmlHandler(NULL), initialized(0), 
 		       parser(NULL), errorLookUpTable(NULL) { }
   virtual ~SBlogErrorMapper();
   
   VXIlogResult ParseErrorMappingFiles(const VXIVector *ErrorMapFiles);
 
   const VXIchar *GetErrorText(VXIunsigned errorID, const VXIchar *moduleName,
 			      int *severity);
   
   static void showExceptionMsg(const XMLException& exception);
 
   static VXIlogResult Error(VXIunsigned errorID, const VXIchar *errorIDText,
 			    const VXIchar *format, ...);
 
 private:
   VXIlogResult InitializeXMLParser(void);
   
   int moduleNameCmp(const VXIchar *modName, const VXIchar *pattern) const;
     
 private:  
   // Internal string type
   typedef std::wstring MyString;
 
   // Data structure for error table entries
   typedef struct ErrorEntry {
     int severity;
     MyString message;
   } ErrorEntry;
 
   // Map of error strings
   typedef std::map<VXIunsigned, ErrorEntry> ErrorEntryMap;
 
   // Data structure for the module mapping table (linked list)
   typedef struct ModuleMappingTable {
     MyString moduleName;
     MyString errFileName;
     ErrorEntryMap errTable;
     struct ModuleMappingTable *next;
   } ModuleMappingTable;
   
 private:
   class MySAXHandler;
   MySAXHandler *xmlHandler;
 
   VXIbool initialized;
   SAXParser *parser;
   ModuleMappingTable *errorLookUpTable;
 };
 
 
 // convert XMLCh char to wide char
 static void  XMLCh2VXIchar(const XMLCh * x, VXIchar *output,
 			   unsigned int maxlen)
 {
     if (x == NULL) return;
     unsigned int len = XMLString::stringLen(x);
     if (output == NULL) return;
     for (unsigned int i = 0; i < len + 1 && i < maxlen; ++i)
       // We throw out anything above 0xFFFF
       output[i] = (x[i] != 0 && (x[i] & ~XMLCh(0xFFFF))) ? VXIchar(0xBE)
                                                        : VXIchar(x[i]);
 }
 
 class SBlogErrorMapper::MySAXHandler : public HandlerBase {
 public:
   MySAXHandler();
   virtual ~MySAXHandler();
 
   void startElement(const XMLCh* const, AttributeList&);
   void characters(const XMLCh* const chars, const unsigned int length);
   void endElement(const XMLCh* const name);
 
   void warning(const SAXParseException& exception) 
     { processError(exception, L"Warning"); }
   void error(const SAXParseException& exception) 
     { processError(exception, L"Error"); }
   void fatalError(const SAXParseException& exception) 
     { processError(exception, L"Fatal Error"); }
 
   void resetData(void)
   {
     errorTable.erase(errorTable.begin(), errorTable.end());
   }
   
   const ErrorEntryMap &getErrorTable(void) const { return errorTable; }
   const MyString &getModuleName(void) const { return moduleName; }
 
 private:
   void processError(const SAXParseException& exception, 
 		    const VXIchar* errType);
   
 private:
   ErrorEntryMap errorTable;
 
   VXIbool isProcessing;
   VXIunsigned errorNumber;
   int errorSeverity;
   MyString moduleName;
   MyString errorMessage;
   VXIchar tempString[4096];
 };
 
 SBlogErrorMapper::MySAXHandler::MySAXHandler() :
   HandlerBase(), errorTable(), moduleName(), errorMessage()
 {
   isProcessing = 0;
   errorNumber = 0;
   errorSeverity = -1;
 }
 
 SBlogErrorMapper::MySAXHandler::~MySAXHandler()
 {
 
 }
 
 void 
 SBlogErrorMapper::MySAXHandler::startElement(const XMLCh* const name,
 					     AttributeList& attributes)
 {
   // 1. parse module name from the root
   XMLCh2VXIchar(name, tempString, 4096); 
   if(wcscmp(tempString, L"ErrorMessages") == 0)
   {
     for(unsigned int i = 0; i < attributes.getLength(); i++)
     {
       XMLCh2VXIchar(attributes.getName(i), tempString, 4096); 
       if(wcscmp(tempString, L"moduleName") == 0)
       {
         XMLCh2VXIchar(attributes.getValue(i), tempString, 4096);
         moduleName = tempString;
       }
     }
   }
   // 2. only care about <error> elements
   else if(wcscmp(tempString, L"error") == 0) {
     isProcessing = 1;
     errorMessage = L"";
 
     // Find the error number and severity (tag attributes)
     for (unsigned int i = 0; i < attributes.getLength(); i++) {
       XMLCh2VXIchar(attributes.getName(i), tempString, 4096); 
       if(wcscmp(tempString, L"num") == 0) {
         XMLCh2VXIchar(attributes.getValue(i), tempString, 4096); 
         errorNumber = wtoint(tempString);
       }
       else if(wcscmp(tempString, L"severity") == 0) {
         XMLCh2VXIchar(attributes.getValue(i), tempString, 4096); 
         errorSeverity = wtoint(tempString);
       }
     }
   }
   else if(isProcessing)
     errorMessage += L"???"; // Runtime-determined value, unknown
 }
 
 void 
 SBlogErrorMapper::MySAXHandler::characters(const XMLCh* const chars, 
 					   const unsigned int length)
 {
   // This is the real error message text
   if(isProcessing)
   {
     XMLCh2VXIchar(chars, tempString, 4096); 
     errorMessage += tempString;
   }
 }
 
 void SBlogErrorMapper::MySAXHandler::endElement(const XMLCh* const name)
 {
   // We only care about <error> elements
   XMLCh2VXIchar(name, tempString, 4096); 
   if(wcscmp(tempString, L"error") == 0) {
     isProcessing = 0;
     // Add error entry to error mapping table (linked list)
     ErrorEntry newEntry;
     newEntry.severity = errorSeverity;
     const VXIchar *sptr = errorMessage.c_str();
     // cutting extra white spaces inside the text
     bool extraSpace = false;
     while( *sptr != L'\0' )
     {
       if( SBlogIsSpace(*sptr) )
       {
         if( !extraSpace )
         {
           newEntry.message += L' ';
           extraSpace = true;
         }
       }
       else
       {
         newEntry.message += *sptr;
         extraSpace = false;  
       }  
       sptr++;
     } 
 
     // Add to linked list
     errorTable.insert(ErrorEntryMap::value_type(errorNumber, newEntry));
   }
 }
 
 void 
 SBlogErrorMapper::MySAXHandler::processError(
 					   const SAXParseException& exception,
 					   const VXIchar* errType)
 {
   VXIchar ws1[4096];
   XMLCh2VXIchar(exception.getMessage(), ws1, 4096);
   Error(352, L"SBlogListeners: XML error lookup file parse failed",
 	L"%s%s%s%s%s%s%s%u%s%u", L"errType", errType, L"errMsg", ws1,
 	L"file", exception.getSystemId(),
 	L"line", exception.getLineNumber(), 
 	L"column", exception.getColumnNumber());
 }