text: /*
   *    Common definitions
   *
   * Copyright 2005 Mike McCormack
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
   */
  
  #ifndef __MSXML_PRIVATE__
  #define __MSXML_PRIVATE__
  
  #include "dispex.h"
  
  #include "wine/unicode.h"
  
  #ifndef __WINE_CONFIG_H
  # error You must include config.h to use this header
  #endif
  
  typedef enum {
      MSXML_DEFAULT = 0,
      MSXML2        = 20,
      MSXML26       = 26,
      MSXML3        = 30,
      MSXML4        = 40,
      MSXML6        = 60
  } MSXML_VERSION;
  
  /* typelibs */
  typedef enum tid_t {
      NULL_tid,
      IXMLDOMAttribute_tid,
      IXMLDOMCDATASection_tid,
      IXMLDOMComment_tid,
      IXMLDOMDocument_tid,
      IXMLDOMDocument2_tid,
      IXMLDOMDocument3_tid,
      IXMLDOMDocumentFragment_tid,
      IXMLDOMDocumentType_tid,
      IXMLDOMElement_tid,
      IXMLDOMEntityReference_tid,
      IXMLDOMImplementation_tid,
      IXMLDOMNamedNodeMap_tid,
      IXMLDOMNode_tid,
      IXMLDOMNodeList_tid,
      IXMLDOMParseError2_tid,
      IXMLDOMProcessingInstruction_tid,
      IXMLDOMSchemaCollection_tid,
      IXMLDOMSchemaCollection2_tid,
      IXMLDOMSelection_tid,
      IXMLDOMText_tid,
      IXMLElement_tid,
      IXMLDocument_tid,
      IXMLHTTPRequest_tid,
      IXSLProcessor_tid,
      IXSLTemplate_tid,
      IVBSAXAttributes_tid,
      IVBSAXContentHandler_tid,
      IVBSAXDeclHandler_tid,
      IVBSAXDTDHandler_tid,
      IVBSAXEntityResolver_tid,
      IVBSAXErrorHandler_tid,
      IVBSAXLexicalHandler_tid,
      IVBSAXLocator_tid,
      IVBSAXXMLFilter_tid,
      IVBSAXXMLReader_tid,
      IMXAttributes_tid,
      IMXReaderControl_tid,
      IMXWriter_tid,
      IVBMXNamespaceManager_tid,
      IServerXMLHTTPRequest_tid,
      LAST_tid
  } tid_t;
  
  /* The XDR datatypes (urn:schemas-microsoft-com:datatypes)
   * These are actually valid for XSD schemas as well
   * See datatypes.xsd
   */
  typedef enum _XDR_DT {
      DT_INVALID = -1,
      DT_BIN_BASE64,
      DT_BIN_HEX,
      DT_BOOLEAN,
      DT_CHAR,
      DT_DATE,
      DT_DATE_TZ,
      DT_DATETIME,
      DT_DATETIME_TZ,
      DT_ENTITY,
      DT_ENTITIES,
      DT_ENUMERATION,
      DT_FIXED_14_4,
      DT_FLOAT,
      DT_I1,
      DT_I2,
      DT_I4,
      DT_I8,
      DT_ID,
      DT_IDREF,
      DT_IDREFS,
      DT_INT,
      DT_NMTOKEN,
      DT_NMTOKENS,
      DT_NOTATION,
      DT_NUMBER,
      DT_R4,
      DT_R8,
      DT_STRING,
      DT_TIME,
      DT_TIME_TZ,
      DT_UI1,
      DT_UI2,
      DT_UI4,
      DT_UI8,
      DT_URI,
      DT_UUID,
      LAST_DT
  } XDR_DT;
  
  extern HRESULT get_typeinfo(tid_t tid, ITypeInfo **typeinfo) DECLSPEC_HIDDEN;
  extern void release_typelib(void) DECLSPEC_HIDDEN;
  
  typedef struct dispex_data_t dispex_data_t;
  typedef struct dispex_dynamic_data_t dispex_dynamic_data_t;
  
  typedef struct {
      HRESULT (*get_dispid)(IUnknown*,BSTR,DWORD,DISPID*);
      HRESULT (*invoke)(IUnknown*,DISPID,LCID,WORD,DISPPARAMS*,VARIANT*,EXCEPINFO*);
  } dispex_static_data_vtbl_t;
  
  typedef struct {
      const dispex_static_data_vtbl_t *vtbl;
      const tid_t disp_tid;
      dispex_data_t *data;
      const tid_t* const iface_tids;
  } dispex_static_data_t;
  
  typedef struct {
      IDispatchEx IDispatchEx_iface;
  
      IUnknown *outer;
  
      dispex_static_data_t *data;
      dispex_dynamic_data_t *dynamic_data;
  } DispatchEx;
  
  extern HINSTANCE MSXML_hInstance DECLSPEC_HIDDEN;
  
  void init_dispex(DispatchEx*,IUnknown*,dispex_static_data_t*) DECLSPEC_HIDDEN;
  void release_dispex(DispatchEx*) DECLSPEC_HIDDEN;
  BOOL dispex_query_interface(DispatchEx*,REFIID,void**) DECLSPEC_HIDDEN;
  const IID *get_riid_from_tid(enum tid_t tid) DECLSPEC_HIDDEN;
  
  /* memory allocation functions */
  
  static inline void *heap_alloc(size_t len)
  {
      return HeapAlloc(GetProcessHeap(), 0, len);
  }
  
  static inline void *heap_alloc_zero(size_t len)
  {
      return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
  }
  
  static inline void *heap_realloc(void *mem, size_t len)
  {
      return HeapReAlloc(GetProcessHeap(), 0, mem, len);
  }
  
  static inline BOOL heap_free(void *mem)
  {
      return HeapFree(GetProcessHeap(), 0, mem);
  }
  
  static inline LPWSTR heap_strdupW(LPCWSTR str)
  {
      LPWSTR ret = NULL;
  
      if(str) {
          DWORD size;
  
          size = (strlenW(str)+1)*sizeof(WCHAR);
          ret = heap_alloc(size);
          if(ret)
              memcpy(ret, str, size);
      }
  
      return ret;
  }
  
  static inline LPSTR heap_strdupWtoA(LPCWSTR str)
  {
      LPSTR ret = NULL;
  
      if(str) {
          DWORD len = WideCharToMultiByte(CP_ACP, 0, str, -1, NULL, 0, NULL, NULL);
          ret = heap_alloc(len+1);
          if(!ret)
              return NULL;
  
          WideCharToMultiByte(CP_ACP, 0, str, -1, ret, len+1, NULL, NULL);
      }
  
      return ret;
  }
  
  #ifdef HAVE_LIBXML2
  
  extern void schemasInit(void) DECLSPEC_HIDDEN;
  extern void schemasCleanup(void) DECLSPEC_HIDDEN;
  
  #ifndef HAVE_XMLFIRSTELEMENTCHILD
  static inline xmlNodePtr wine_xmlFirstElementChild(xmlNodePtr parent)
  {
      xmlNodePtr child;
      for (child = parent->children; child != NULL; child = child->next)
          if (child->type == XML_ELEMENT_NODE)
              break;
  
      return child;
  }
  #define xmlFirstElementChild wine_xmlFirstElementChild
  #endif
  
  /* IXMLDOMNode Internal Structure */
  typedef struct _xmlnode
  {
      DispatchEx   dispex;
      IXMLDOMNode *iface;
      IXMLDOMNode *parent;
      xmlNodePtr   node;
  } xmlnode;
  
  /* IXMLDOMNamedNodeMap custom function table */
  struct nodemap_funcs
  {
      HRESULT (*get_named_item)(const xmlNodePtr,BSTR,IXMLDOMNode**);
      HRESULT (*set_named_item)(xmlNodePtr,IXMLDOMNode*,IXMLDOMNode**);
      HRESULT (*remove_named_item)(xmlNodePtr,BSTR,IXMLDOMNode**);
      HRESULT (*get_item)(xmlNodePtr,LONG,IXMLDOMNode**);
      HRESULT (*get_length)(xmlNodePtr,LONG*);
      HRESULT (*get_qualified_item)(const xmlNodePtr,BSTR,BSTR,IXMLDOMNode**);
      HRESULT (*remove_qualified_item)(xmlNodePtr,BSTR,BSTR,IXMLDOMNode**);
      HRESULT (*next_node)(const xmlNodePtr,LONG*,IXMLDOMNode**);
  };
  
  /* used by IEnumVARIANT to access outer object items */
  struct enumvariant_funcs
  {
      HRESULT (*get_item)(IUnknown*, LONG, VARIANT*);
      HRESULT (*next)(IUnknown*);
  };
  
  /* constructors */
  extern IUnknown         *create_domdoc( xmlNodePtr ) DECLSPEC_HIDDEN;
  extern IUnknown         *create_xmldoc( void ) DECLSPEC_HIDDEN;
  extern IXMLDOMNode      *create_node( xmlNodePtr ) DECLSPEC_HIDDEN;
  extern IUnknown         *create_element( xmlNodePtr ) DECLSPEC_HIDDEN;
  extern IUnknown         *create_attribute( xmlNodePtr ) DECLSPEC_HIDDEN;
  extern IUnknown         *create_text( xmlNodePtr ) DECLSPEC_HIDDEN;
  extern IUnknown         *create_pi( xmlNodePtr ) DECLSPEC_HIDDEN;
  extern IUnknown         *create_comment( xmlNodePtr ) DECLSPEC_HIDDEN;
  extern IUnknown         *create_cdata( xmlNodePtr ) DECLSPEC_HIDDEN;
  extern IXMLDOMNodeList  *create_children_nodelist( xmlNodePtr ) DECLSPEC_HIDDEN;
  extern IXMLDOMNamedNodeMap *create_nodemap( xmlNodePtr, const struct nodemap_funcs* ) DECLSPEC_HIDDEN;
  extern IUnknown         *create_doc_Implementation(void) DECLSPEC_HIDDEN;
  extern IUnknown         *create_doc_fragment( xmlNodePtr ) DECLSPEC_HIDDEN;
  extern IUnknown         *create_doc_entity_ref( xmlNodePtr ) DECLSPEC_HIDDEN;
  extern IUnknown         *create_doc_type( xmlNodePtr ) DECLSPEC_HIDDEN;
  extern HRESULT           create_selection( xmlNodePtr, xmlChar*, IXMLDOMNodeList** ) DECLSPEC_HIDDEN;
  extern HRESULT           create_enumvariant( IUnknown*, BOOL, const struct enumvariant_funcs*, IEnumVARIANT**) DECLSPEC_HIDDEN;
  
  /* data accessors */
  xmlNodePtr xmlNodePtr_from_domnode( IXMLDOMNode *iface, xmlElementType type ) DECLSPEC_HIDDEN;
  
  /* helpers */
  extern xmlChar *xmlChar_from_wchar( LPCWSTR str ) DECLSPEC_HIDDEN;
  
  extern void xmldoc_init( xmlDocPtr doc, MSXML_VERSION version ) DECLSPEC_HIDDEN;
  extern LONG xmldoc_add_ref( xmlDocPtr doc ) DECLSPEC_HIDDEN;
  extern LONG xmldoc_release( xmlDocPtr doc ) DECLSPEC_HIDDEN;
  extern HRESULT xmldoc_add_orphan( xmlDocPtr doc, xmlNodePtr node ) DECLSPEC_HIDDEN;
  extern HRESULT xmldoc_remove_orphan( xmlDocPtr doc, xmlNodePtr node ) DECLSPEC_HIDDEN;
  extern void xmldoc_link_xmldecl(xmlDocPtr doc, xmlNodePtr node) DECLSPEC_HIDDEN;
  extern xmlNodePtr xmldoc_unlink_xmldecl(xmlDocPtr doc) DECLSPEC_HIDDEN;
  
  extern HRESULT XMLElement_create( IUnknown *pUnkOuter, xmlNodePtr node, LPVOID *ppObj, BOOL own ) DECLSPEC_HIDDEN;
  
  extern void wineXmlCallbackLog(char const* caller, xmlErrorLevel lvl, char const* msg, va_list ap) DECLSPEC_HIDDEN;
  extern void wineXmlCallbackError(char const* caller, xmlErrorPtr err) DECLSPEC_HIDDEN;
  
  #define LIBXML2_LOG_CALLBACK __WINE_PRINTF_ATTR(2,3)
  
  #define LIBXML2_CALLBACK_TRACE(caller, msg, ap) \
          wineXmlCallbackLog(#caller, XML_ERR_NONE, msg, ap)
  
  #define LIBXML2_CALLBACK_WARN(caller, msg, ap) \
          wineXmlCallbackLog(#caller, XML_ERR_WARNING, msg, ap)
  
  #define LIBXML2_CALLBACK_ERR(caller, msg, ap) \
          wineXmlCallbackLog(#caller, XML_ERR_ERROR, msg, ap)
  
  #define LIBXML2_CALLBACK_SERROR(caller, err) wineXmlCallbackError(#caller, err)
  
  extern BOOL is_preserving_whitespace(xmlNodePtr node) DECLSPEC_HIDDEN;
  extern BOOL is_xpathmode(const xmlDocPtr doc) DECLSPEC_HIDDEN;
  extern void set_xpathmode(xmlDocPtr doc, BOOL xpath) DECLSPEC_HIDDEN;
  
  extern void init_xmlnode(xmlnode*,xmlNodePtr,IXMLDOMNode*,dispex_static_data_t*) DECLSPEC_HIDDEN;
  extern void destroy_xmlnode(xmlnode*) DECLSPEC_HIDDEN;
  extern BOOL node_query_interface(xmlnode*,REFIID,void**) DECLSPEC_HIDDEN;
  extern xmlnode *get_node_obj(IXMLDOMNode*) DECLSPEC_HIDDEN;
  
  extern HRESULT node_append_child(xmlnode*,IXMLDOMNode*,IXMLDOMNode**) DECLSPEC_HIDDEN;
  extern HRESULT node_get_nodeName(xmlnode*,BSTR*) DECLSPEC_HIDDEN;
  extern HRESULT node_get_content(xmlnode*,VARIANT*) DECLSPEC_HIDDEN;
  extern HRESULT node_set_content(xmlnode*,LPCWSTR) DECLSPEC_HIDDEN;
  extern HRESULT node_put_value(xmlnode*,VARIANT*) DECLSPEC_HIDDEN;
  extern HRESULT node_put_value_escaped(xmlnode*,VARIANT*) DECLSPEC_HIDDEN;
  extern HRESULT node_get_parent(xmlnode*,IXMLDOMNode**) DECLSPEC_HIDDEN;
  extern HRESULT node_get_child_nodes(xmlnode*,IXMLDOMNodeList**) DECLSPEC_HIDDEN;
  extern HRESULT node_get_first_child(xmlnode*,IXMLDOMNode**) DECLSPEC_HIDDEN;
  extern HRESULT node_get_last_child(xmlnode*,IXMLDOMNode**) DECLSPEC_HIDDEN;
  extern HRESULT node_get_previous_sibling(xmlnode*,IXMLDOMNode**) DECLSPEC_HIDDEN;
  extern HRESULT node_get_next_sibling(xmlnode*,IXMLDOMNode**) DECLSPEC_HIDDEN;
  extern HRESULT node_insert_before(xmlnode*,IXMLDOMNode*,const VARIANT*,IXMLDOMNode**) DECLSPEC_HIDDEN;
  extern HRESULT node_replace_child(xmlnode*,IXMLDOMNode*,IXMLDOMNode*,IXMLDOMNode**) DECLSPEC_HIDDEN;
  extern HRESULT node_put_text(xmlnode*,BSTR) DECLSPEC_HIDDEN;
  extern HRESULT node_get_xml(xmlnode*,BOOL,BSTR*) DECLSPEC_HIDDEN;
  extern HRESULT node_clone(xmlnode*,VARIANT_BOOL,IXMLDOMNode**) DECLSPEC_HIDDEN;
  extern HRESULT node_get_prefix(xmlnode*,BSTR*) DECLSPEC_HIDDEN;
  extern HRESULT node_get_base_name(xmlnode*,BSTR*) DECLSPEC_HIDDEN;
  extern HRESULT node_get_namespaceURI(xmlnode*,BSTR*) DECLSPEC_HIDDEN;
  extern HRESULT node_remove_child(xmlnode*,IXMLDOMNode*,IXMLDOMNode**) DECLSPEC_HIDDEN;
  extern HRESULT node_has_childnodes(const xmlnode*,VARIANT_BOOL*) DECLSPEC_HIDDEN;
  extern HRESULT node_get_owner_doc(const xmlnode*,IXMLDOMDocument**) DECLSPEC_HIDDEN;
  extern HRESULT node_get_text(const xmlnode*,BSTR*) DECLSPEC_HIDDEN;
  extern HRESULT node_select_nodes(const xmlnode*,BSTR,IXMLDOMNodeList**) DECLSPEC_HIDDEN;
  extern HRESULT node_select_singlenode(const xmlnode*,BSTR,IXMLDOMNode**) DECLSPEC_HIDDEN;
  extern HRESULT node_transform_node(const xmlnode*,IXMLDOMNode*,BSTR*) DECLSPEC_HIDDEN;
  extern HRESULT node_create_supporterrorinfo(const tid_t*,void**) DECLSPEC_HIDDEN;
  
  extern HRESULT get_domdoc_from_xmldoc(xmlDocPtr xmldoc, IXMLDOMDocument3 **document) DECLSPEC_HIDDEN;
  
  extern HRESULT SchemaCache_validate_tree(IXMLDOMSchemaCollection2*, xmlNodePtr) DECLSPEC_HIDDEN;
  extern XDR_DT  SchemaCache_get_node_dt(IXMLDOMSchemaCollection2*, xmlNodePtr) DECLSPEC_HIDDEN;
  extern HRESULT cache_from_doc_ns(IXMLDOMSchemaCollection2*, xmlnode*) DECLSPEC_HIDDEN;
  
  extern XDR_DT str_to_dt(xmlChar const* str, int len /* calculated if -1 */) DECLSPEC_HIDDEN;
  extern XDR_DT bstr_to_dt(OLECHAR const* bstr, int len /* calculated if -1 */) DECLSPEC_HIDDEN;
  extern xmlChar const* dt_to_str(XDR_DT dt) DECLSPEC_HIDDEN;
  extern const char* debugstr_dt(XDR_DT dt) DECLSPEC_HIDDEN;
  extern OLECHAR const* dt_to_bstr(XDR_DT dt) DECLSPEC_HIDDEN;
  extern HRESULT dt_validate(XDR_DT dt, xmlChar const* content) DECLSPEC_HIDDEN;
  
  extern BSTR EnsureCorrectEOL(BSTR) DECLSPEC_HIDDEN;
  
  extern xmlChar* tagName_to_XPath(const BSTR tagName) DECLSPEC_HIDDEN;
  
  static inline BSTR bstr_from_xmlChar(const xmlChar *str)
  {
      BSTR ret = NULL;
  
      if(str) {
          DWORD len = MultiByteToWideChar(CP_UTF8, 0, (LPCSTR)str, -1, NULL, 0);
          ret = SysAllocStringLen(NULL, len-1);
          if(ret)
              MultiByteToWideChar( CP_UTF8, 0, (LPCSTR)str, -1, ret, len);
      }
      else
          ret = SysAllocStringLen(NULL, 0);
  
      return ret;
  }
  
  static inline xmlChar *xmlchar_from_wcharn(const WCHAR *str, int nchars)
  {
      xmlChar *xmlstr;
      DWORD len = WideCharToMultiByte( CP_UTF8, 0, str, nchars, NULL, 0, NULL, NULL );
  
      xmlstr = heap_alloc( len+1 );
      if ( xmlstr )
      {
          WideCharToMultiByte( CP_UTF8, 0, str, nchars, (LPSTR) xmlstr, len+1, NULL, NULL );
          xmlstr[len] = 0;
      }
      return xmlstr;
  }
  
  static inline xmlChar *xmlchar_from_wchar( const WCHAR *str )
  {
      return xmlchar_from_wcharn(str, -1);
  }
  
  static inline xmlChar *heap_strdupxmlChar(const xmlChar *str)
  {
      xmlChar *ret = NULL;
  
      if(str) {
          DWORD size;
  
          size = (xmlStrlen(str)+1)*sizeof(xmlChar);
          ret = heap_alloc(size);
          memcpy(ret, str, size);
      }
  
      return ret;
  }
  
  #endif
  
  static inline HRESULT return_bstr(const WCHAR *value, BSTR *p)
  {
      if(!p)
          return E_INVALIDARG;
  
      if(value) {
          *p = SysAllocString(value);
          if(!*p)
              return E_OUTOFMEMORY;
      }else {
          *p = NULL;
      }
  
      return S_OK;
  }
  
  static inline HRESULT return_null_node(IXMLDOMNode **p)
  {
      if(!p)
          return E_INVALIDARG;
      *p = NULL;
      return S_FALSE;
  }
  
  static inline HRESULT return_null_ptr(void **p)
  {
      if(!p)
          return E_INVALIDARG;
      *p = NULL;
      return S_FALSE;
  }
  
  static inline HRESULT return_null_var(VARIANT *p)
  {
      if(!p)
          return E_INVALIDARG;
  
      V_VT(p) = VT_NULL;
      return S_FALSE;
  }
  
  static inline HRESULT return_null_bstr(BSTR *p)
  {
      if(!p)
          return E_INVALIDARG;
  
      *p = NULL;
      return S_FALSE;
  }
  
  extern IXMLDOMParseError *create_parseError( LONG code, BSTR url, BSTR reason, BSTR srcText,
                                               LONG line, LONG linepos, LONG filepos ) DECLSPEC_HIDDEN;
  extern HRESULT DOMDocument_create(MSXML_VERSION, IUnknown*, void**) DECLSPEC_HIDDEN;
  extern HRESULT SchemaCache_create(MSXML_VERSION, IUnknown*, void**) DECLSPEC_HIDDEN;
  extern HRESULT XMLDocument_create(IUnknown*, void**) DECLSPEC_HIDDEN;
  extern HRESULT SAXXMLReader_create(MSXML_VERSION, IUnknown*, void**) DECLSPEC_HIDDEN;
  extern HRESULT SAXAttributes_create(MSXML_VERSION, IUnknown*, void**) DECLSPEC_HIDDEN;
  extern HRESULT XMLHTTPRequest_create(IUnknown*, void **) DECLSPEC_HIDDEN;
  extern HRESULT ServerXMLHTTP_create(IUnknown*, void **) DECLSPEC_HIDDEN;
  extern HRESULT XSLTemplate_create(IUnknown*, void**) DECLSPEC_HIDDEN;
  extern HRESULT MXWriter_create(MSXML_VERSION, IUnknown*, void**) DECLSPEC_HIDDEN;
  extern HRESULT MXNamespaceManager_create(IUnknown*,void**) DECLSPEC_HIDDEN;
  extern HRESULT XMLParser_create(IUnknown*,void**) DECLSPEC_HIDDEN;
  extern HRESULT XMLView_create(IUnknown*,void**) DECLSPEC_HIDDEN;
  
  static inline const CLSID* DOMDocument_version(MSXML_VERSION v)
  {
      switch (v)
      {
      default:
      case MSXML_DEFAULT: return &CLSID_DOMDocument;
      case MSXML3: return &CLSID_DOMDocument30;
      case MSXML4: return &CLSID_DOMDocument40;
      case MSXML6: return &CLSID_DOMDocument60;
      }
  }
  
  static inline const CLSID* SchemaCache_version(MSXML_VERSION v)
  {
      switch (v)
      {
      default:
      case MSXML_DEFAULT: return &CLSID_XMLSchemaCache;
      case MSXML3: return &CLSID_XMLSchemaCache30;
      case MSXML4: return &CLSID_XMLSchemaCache40;
      case MSXML6: return &CLSID_XMLSchemaCache60;
      }
  }
  
  typedef struct bsc_t bsc_t;
  
  HRESULT create_moniker_from_url(LPCWSTR, IMoniker**) DECLSPEC_HIDDEN;
  HRESULT bind_url(IMoniker*, HRESULT (*onDataAvailable)(void*,char*,DWORD), void*, bsc_t**) DECLSPEC_HIDDEN;
  HRESULT detach_bsc(bsc_t*) DECLSPEC_HIDDEN;
  
  const char *debugstr_variant(const VARIANT*) DECLSPEC_HIDDEN;
  
  /* Error Codes - not defined anywhere in the public headers */
  #define E_XML_ELEMENT_UNDECLARED            0xC00CE00D
  #define E_XML_ELEMENT_ID_NOT_FOUND          0xC00CE00E
  /* ... */
  #define E_XML_EMPTY_NOT_ALLOWED             0xC00CE011
  #define E_XML_ELEMENT_NOT_COMPLETE          0xC00CE012
  #define E_XML_ROOT_NAME_MISMATCH            0xC00CE013
  #define E_XML_INVALID_CONTENT               0xC00CE014
  #define E_XML_ATTRIBUTE_NOT_DEFINED         0xC00CE015
  #define E_XML_ATTRIBUTE_FIXED               0xC00CE016
  #define E_XML_ATTRIBUTE_VALUE               0xC00CE017
  #define E_XML_ILLEGAL_TEXT                  0xC00CE018
  /* ... */
  #define E_XML_REQUIRED_ATTRIBUTE_MISSING    0xC00CE020
  
  #endif /* __MSXML_PRIVATE__ */
  