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/**********************************************************************
Audacity: A Digital Audio Editor
XMLFileReader.h
Dominic Mazzoni
**********************************************************************/
#include <vector>
struct XML_ParserStruct;
typedef struct XML_ParserStruct *XML_Parser;
#include "XMLTagHandler.h"
#include "Internat.h" // for TranslatableString
#include "MemoryStream.h"
class XML_API XMLFileReader final {
public:
XMLFileReader();
~XMLFileReader();
bool Parse(XMLTagHandler *baseHandler,
const FilePath &fname);
bool ParseString(XMLTagHandler *baseHandler,
const wxString &xmldata);
bool ParseMemoryStream(XMLTagHandler* baseHandler, const MemoryStream& xmldata);
const TranslatableString &GetErrorStr() const;
const TranslatableString &GetLibraryErrorStr() const;
// Callback functions for expat
static void startElement(void *userData, const char *name,
const char **atts);
static void endElement(void *userData, const char *name);
static void charHandler(void *userData, const char *s, int len);
private:
bool ParseBuffer(
XMLTagHandler* baseHandler, const char* buffer, size_t len, bool isFinal);
XML_Parser mParser;
XMLTagHandler *mBaseHandler;
using Handlers = std::vector<XMLTagHandler*>;
Handlers mHandler;
TranslatableString mErrorStr;
TranslatableString mLibraryErrorStr;
//Used for memory allocation optimization purpose
AttributesList mCurrentTagAttributes;
};
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