// Copyright 2009, Squish Tech, LLC.
#ifndef SRC_XML_SAX_PARSER_H_
#define SRC_XML_SAX_PARSER_H_

#include <node.h>

namespace libxmljs {

class XmlSaxParser : public Nan::ObjectWrap {
  public:
    XmlSaxParser();
    virtual ~XmlSaxParser();

    static void Initialize(v8::Local<v8::Object> target);

    static NAN_METHOD(NewParser);

    static NAN_METHOD(NewPushParser);

    static NAN_METHOD(ParseString);
    static NAN_METHOD(Push);

    void Callback(const char *what, int argc = 0,
                  v8::Local<v8::Value> argv[] = NULL);

    void parse_string(const char *str, unsigned int size);

    void initialize_push_parser();

    void push(const char *str, unsigned int size, bool terminate);

    /// callbacks

    static void start_document(void *context);

    static void end_document(void *context);

    static void start_element(void *context, const xmlChar *name,
                              const xmlChar **p);

    static void end_element(void *context, const xmlChar *name);

    static void start_element_ns(void *context, const xmlChar *localname,
                                 const xmlChar *prefix, const xmlChar *uri,
                                 int nb_namespaces, const xmlChar **namespaces,
                                 int nb_attributes, int nb_defaulted,
                                 const xmlChar **attributes);

    static void end_element_ns(void *context, const xmlChar *localname,
                               const xmlChar *prefix, const xmlChar *uri);

    static void characters(void *context, const xmlChar *ch, int len);

    static void comment(void *context, const xmlChar *value);

    static void cdata_block(void *context, const xmlChar *value, int len);

    static void warning(void *context, const char *msg, ...);

    static void error(void *context, const char *msg, ...);

  protected:
    void initializeContext();
    void releaseContext();

    xmlParserCtxt *context_;

    xmlSAXHandler sax_handler_;
};

} // namespace libxmljs

#endif // SRC_XML_SAX_PARSER_H_