Added some comments

webshell/embed/ActiveX/xml/ParseExpat.cpp

@@ -1,154 +0,0 @@
-#include "stdafx.h"
-
-#define XML_UNICODE
-#include "xmlparse.h"
-
-#ifdef XML_UNICODE
-#define X2OLE W2COLE
-#define X2T W2T
-#else
-#define X2OLE A2COLE
-#define X2T A2T
-#endif
-
-
-struct ParserState
-{
-	CComQIPtr<IXMLDocument, &IID_IXMLDocument> spXMLDocument;
-	CComQIPtr<IXMLElement, &IID_IXMLElement> spXMLRoot;
-	CComQIPtr<IXMLElement, &IID_IXMLElement> spXMLParent;
-};
-
-static ParserState cParserState;
-
-
-// XML data handlers
-static void OnStartElement(void *userData, const XML_Char *name, const XML_Char **atts);
-static void OnEndElement(void *userData, const XML_Char *name);
-static void OnCharacterData(void *userData, const XML_Char *s, int len);
-static void OnDefault(void *userData, const XML_Char *s, int len);
-
-
-struct ParseData
-{
-	CComQIPtr<IXMLDocument, &IID_IXMLDocument> spDocument;
-	CComQIPtr<IXMLElement, &IID_IXMLElement> spRoot;
-};
-
-HRESULT ParseExpat(const char *pBuffer, unsigned long cbBufSize, IXMLDocument *pDocument, IXMLElement **ppElement)
-{
-	if (pDocument == NULL)
-	{
-		return E_INVALIDARG;
-	}
-
-	XML_Parser parser = XML_ParserCreate(NULL);
-	HRESULT hr = S_OK;
-
-	cParserState.spXMLDocument = pDocument;
-	pDocument->get_root(&cParserState.spXMLParent);
-
-	// Initialise the XML parser
-	XML_SetUserData(parser, &cParserState);
-
-	// Initialise the data handlers
-	XML_SetElementHandler(parser, OnStartElement, OnEndElement);
-	XML_SetCharacterDataHandler(parser, OnCharacterData);
-	XML_SetDefaultHandler(parser, OnDefault);
-
-	// Parse the data
-	if (!XML_Parse(parser, pBuffer, cbBufSize, 1))
-	{
-		/* TODO Create error code
-		   fprintf(stderr,
-			"%s at line %d\n",
-		   XML_ErrorString(XML_GetErrorCode(parser)),
-		   XML_GetCurrentLineNumber(parser));
-		 */
-		hr = E_FAIL;
-	}
-
-	// Cleanup
-	XML_ParserFree(parser);
-
-	cParserState.spXMLRoot->QueryInterface(IID_IXMLElement, (void **) ppElement);
-	cParserState.spXMLDocument.Release();
-	cParserState.spXMLParent.Release();
-
-	return S_OK;
-}
-
-
-///////////////////////////////////////////////////////////////////////////////
-
-
-void OnStartElement(void *userData, const XML_Char *name, const XML_Char **atts)
-{
-	ParserState *pState = (ParserState *) userData;
-	if (pState)
-	{
-		USES_CONVERSION;
-
-		CComQIPtr<IXMLElement, &IID_IXMLElement> spXMLElement;
-
-		// Create a new element
-		pState->spXMLDocument->createElement(
-				CComVariant(XMLELEMTYPE_ELEMENT),
-				CComVariant(X2OLE(name)),
-				&spXMLElement);
-
-		if (spXMLElement)
-		{
-			// Create each attribute
-			for (int i = 0; atts[i] != NULL; i += 2)
-			{
-				const XML_Char *pszName = atts[i];
-				const XML_Char *pszValue = atts[i+1];
-				spXMLElement->setAttribute((BSTR) X2OLE(pszName), CComVariant(X2OLE(pszValue)));
-			}
-
-			if (pState->spXMLRoot == NULL)
-			{
-				pState->spXMLRoot = spXMLElement;
-			}
-			if (pState->spXMLParent)
-			{
-				// Add the element to the end of the list
-				pState->spXMLParent->addChild(spXMLElement, -1, -1);
-			}
-			pState->spXMLParent = spXMLElement;
-		}
-	}
-}
-
-
-void OnEndElement(void *userData, const XML_Char *name)
-{
-	ParserState *pState = (ParserState *) userData;
-	if (pState)
-	{
-		CComQIPtr<IXMLElement, &IID_IXMLElement> spNewParent;
-		if (pState->spXMLParent)
-		{
-			pState->spXMLParent->get_parent(&spNewParent);
-			pState->spXMLParent = spNewParent;
-		}
-	}
-}
-
-
-void OnDefault(void *userData, const XML_Char *s, int len)
-{
-}
-
-
-void OnCharacterData(void *userData, const XML_Char *s, int len)
-{
-	ParserState *pState = (ParserState *) userData;
-	if (pState)
-	{
-		// TODO create TEXT element
-	}
-}
-
-