Defines the name of a parser class that is supported by a parser factory. functbl is a pointer to a virtual function table containing pointers to the C implementation functions, that is, those functions that provide the function of the parser itself.
void cpiDefineParserClass( int* returnCode, CciFactory* factoryObject, CciChar* name, CPI_VFT* functbl);
None. If an error occurs, returnCode indicates the reason for the error.
This example is taken from the sample parser file BipSampPluginParser.c (lines 862 to 901):
void LilFactoryExportPrefix * LilFactoryExportSuffix bipGetParserFactory() { /* Declare variables */ CciFactory* factoryObject; int rc; static CPI_VFT vftable = {CPI_VFT_DEFAULT}; /* Before we proceed we need to initialise all the static constants */ /* that may be used by the plug-in. */ initParserConstants(); /* Setup function table with pointers to parser implementation functions */ vftable.iFpCreateContext = cpiCreateContext; vftable.iFpParseBufferEncoded = cpiParseBufferEncoded; vftable.iFpParseFirstChild = cpiParseFirstChild; vftable.iFpParseLastChild = cpiParseLastChild; vftable.iFpParsePreviousSibling = cpiParsePreviousSibling; vftable.iFpParseNextSibling = cpiParseNextSibling; vftable.iFpWriteBufferEncoded = cpiWriteBufferEncoded; vftable.iFpDeleteContext = cpiDeleteContext; vftable.iFpSetElementValue = cpiSetElementValue; vftable.iFpElementValue = cpiElementValue; vftable.iFpNextParserClassName = cpiNextParserClassName; vftable.iFpSetNextParserClassName = cpiSetNextParserClassName; vftable.iFpNextParserEncoding = cpiNextParserEncoding; vftable.iFpNextParserCodedCharSetId = cpiNextParserCodedCharSetId; /* Create the parser factory for this plugin */ factoryObject = cpiCreateParserFactory(&rc, constParserFactory); if (factoryObject) { /* Define the classes of message supported by the factory */ cpiDefineParserClass(&rc, factoryObject, constPXML, &vftable); } else { /* Error: Unable to create parser factory */ } /* Return address of this factory object to the broker */ return(factoryObject); }
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