mirror of
https://github.com/reactos/wine.git
synced 2024-12-05 10:17:57 +00:00
421 lines
10 KiB
C
421 lines
10 KiB
C
/*
|
|
* XPath query result node list implementation (TODO: XSLPattern support)
|
|
*
|
|
* Copyright 2005 Mike McCormack
|
|
* Copyright 2007 Mikolaj Zalewski
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#define COBJMACROS
|
|
|
|
#include "config.h"
|
|
|
|
#include <stdarg.h>
|
|
#include "windef.h"
|
|
#include "winbase.h"
|
|
#include "winuser.h"
|
|
#include "ole2.h"
|
|
#include "msxml2.h"
|
|
|
|
#include "msxml_private.h"
|
|
|
|
#include "wine/debug.h"
|
|
|
|
/* This file implements the object returned by a XPath query. Note that this is
|
|
* not the IXMLDOMNodeList returned by childNodes - it's implemented in nodelist.c.
|
|
* They are different because the list returned by XPath queries:
|
|
* - is static - gives the results for the XML tree as it existed during the
|
|
* execution of the query
|
|
* - supports IXMLDOMSelection (TODO)
|
|
*
|
|
* TODO: XSLPattern support
|
|
*/
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(msxml);
|
|
|
|
#ifdef HAVE_LIBXML2
|
|
|
|
#include <libxml/xpath.h>
|
|
|
|
typedef struct _queryresult
|
|
{
|
|
DispatchEx dispex;
|
|
const struct IXMLDOMNodeListVtbl *lpVtbl;
|
|
LONG ref;
|
|
xmlNodePtr node;
|
|
xmlXPathObjectPtr result;
|
|
int resultPos;
|
|
} queryresult;
|
|
|
|
static inline queryresult *impl_from_IXMLDOMNodeList( IXMLDOMNodeList *iface )
|
|
{
|
|
return (queryresult *)((char*)iface - FIELD_OFFSET(queryresult, lpVtbl));
|
|
}
|
|
|
|
#define XMLQUERYRES(x) ((IXMLDOMNodeList*)&(x)->lpVtbl)
|
|
|
|
static HRESULT WINAPI queryresult_QueryInterface(
|
|
IXMLDOMNodeList *iface,
|
|
REFIID riid,
|
|
void** ppvObject )
|
|
{
|
|
queryresult *This = impl_from_IXMLDOMNodeList( iface );
|
|
|
|
TRACE("%p %s %p\n", iface, debugstr_guid(riid), ppvObject);
|
|
|
|
if(!ppvObject)
|
|
return E_INVALIDARG;
|
|
|
|
if ( IsEqualGUID( riid, &IID_IUnknown ) ||
|
|
IsEqualGUID( riid, &IID_IXMLDOMNodeList ) )
|
|
{
|
|
*ppvObject = iface;
|
|
}
|
|
else if(dispex_query_interface(&This->dispex, riid, ppvObject))
|
|
{
|
|
return *ppvObject ? S_OK : E_NOINTERFACE;
|
|
}
|
|
else
|
|
{
|
|
FIXME("interface %s not implemented\n", debugstr_guid(riid));
|
|
*ppvObject = NULL;
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
IXMLDOMNodeList_AddRef( iface );
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static ULONG WINAPI queryresult_AddRef(
|
|
IXMLDOMNodeList *iface )
|
|
{
|
|
queryresult *This = impl_from_IXMLDOMNodeList( iface );
|
|
return InterlockedIncrement( &This->ref );
|
|
}
|
|
|
|
static ULONG WINAPI queryresult_Release(
|
|
IXMLDOMNodeList *iface )
|
|
{
|
|
queryresult *This = impl_from_IXMLDOMNodeList( iface );
|
|
ULONG ref;
|
|
|
|
ref = InterlockedDecrement(&This->ref);
|
|
if ( ref == 0 )
|
|
{
|
|
xmlXPathFreeObject(This->result);
|
|
xmldoc_release(This->node->doc);
|
|
heap_free(This);
|
|
}
|
|
|
|
return ref;
|
|
}
|
|
|
|
static HRESULT WINAPI queryresult_GetTypeInfoCount(
|
|
IXMLDOMNodeList *iface,
|
|
UINT* pctinfo )
|
|
{
|
|
queryresult *This = impl_from_IXMLDOMNodeList( iface );
|
|
|
|
TRACE("(%p)->(%p)\n", This, pctinfo);
|
|
|
|
*pctinfo = 1;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI queryresult_GetTypeInfo(
|
|
IXMLDOMNodeList *iface,
|
|
UINT iTInfo,
|
|
LCID lcid,
|
|
ITypeInfo** ppTInfo )
|
|
{
|
|
queryresult *This = impl_from_IXMLDOMNodeList( iface );
|
|
HRESULT hr;
|
|
|
|
TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
|
|
|
|
hr = get_typeinfo(IXMLDOMNodeList_tid, ppTInfo);
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI queryresult_GetIDsOfNames(
|
|
IXMLDOMNodeList *iface,
|
|
REFIID riid,
|
|
LPOLESTR* rgszNames,
|
|
UINT cNames,
|
|
LCID lcid,
|
|
DISPID* rgDispId )
|
|
{
|
|
queryresult *This = impl_from_IXMLDOMNodeList( iface );
|
|
ITypeInfo *typeinfo;
|
|
HRESULT hr;
|
|
|
|
TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
|
|
lcid, rgDispId);
|
|
|
|
if(!rgszNames || cNames == 0 || !rgDispId)
|
|
return E_INVALIDARG;
|
|
|
|
hr = get_typeinfo(IXMLDOMNodeList_tid, &typeinfo);
|
|
if(SUCCEEDED(hr))
|
|
{
|
|
hr = ITypeInfo_GetIDsOfNames(typeinfo, rgszNames, cNames, rgDispId);
|
|
ITypeInfo_Release(typeinfo);
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI queryresult_Invoke(
|
|
IXMLDOMNodeList *iface,
|
|
DISPID dispIdMember,
|
|
REFIID riid,
|
|
LCID lcid,
|
|
WORD wFlags,
|
|
DISPPARAMS* pDispParams,
|
|
VARIANT* pVarResult,
|
|
EXCEPINFO* pExcepInfo,
|
|
UINT* puArgErr )
|
|
{
|
|
queryresult *This = impl_from_IXMLDOMNodeList( iface );
|
|
ITypeInfo *typeinfo;
|
|
HRESULT hr;
|
|
|
|
TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
|
|
lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
|
|
|
|
hr = get_typeinfo(IXMLDOMNodeList_tid, &typeinfo);
|
|
if(SUCCEEDED(hr))
|
|
{
|
|
hr = ITypeInfo_Invoke(typeinfo, &(This->lpVtbl), dispIdMember, wFlags, pDispParams,
|
|
pVarResult, pExcepInfo, puArgErr);
|
|
ITypeInfo_Release(typeinfo);
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI queryresult_get_item(
|
|
IXMLDOMNodeList* iface,
|
|
long index,
|
|
IXMLDOMNode** listItem)
|
|
{
|
|
queryresult *This = impl_from_IXMLDOMNodeList( iface );
|
|
|
|
TRACE("%p %ld\n", This, index);
|
|
|
|
if(!listItem)
|
|
return E_INVALIDARG;
|
|
|
|
*listItem = NULL;
|
|
|
|
if (index < 0 || index >= xmlXPathNodeSetGetLength(This->result->nodesetval))
|
|
return S_FALSE;
|
|
|
|
*listItem = create_node(This->result->nodesetval->nodeTab[index]);
|
|
This->resultPos = index + 1;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI queryresult_get_length(
|
|
IXMLDOMNodeList* iface,
|
|
long* listLength)
|
|
{
|
|
queryresult *This = impl_from_IXMLDOMNodeList( iface );
|
|
|
|
TRACE("%p\n", This);
|
|
|
|
if(!listLength)
|
|
return E_INVALIDARG;
|
|
|
|
*listLength = xmlXPathNodeSetGetLength(This->result->nodesetval);
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI queryresult_nextNode(
|
|
IXMLDOMNodeList* iface,
|
|
IXMLDOMNode** nextItem)
|
|
{
|
|
queryresult *This = impl_from_IXMLDOMNodeList( iface );
|
|
|
|
TRACE("%p %p\n", This, nextItem );
|
|
|
|
if(!nextItem)
|
|
return E_INVALIDARG;
|
|
|
|
*nextItem = NULL;
|
|
|
|
if (This->resultPos >= xmlXPathNodeSetGetLength(This->result->nodesetval))
|
|
return S_FALSE;
|
|
|
|
*nextItem = create_node(This->result->nodesetval->nodeTab[This->resultPos]);
|
|
This->resultPos++;
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI queryresult_reset(
|
|
IXMLDOMNodeList* iface)
|
|
{
|
|
queryresult *This = impl_from_IXMLDOMNodeList( iface );
|
|
|
|
TRACE("%p\n", This);
|
|
This->resultPos = 0;
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI queryresult__newEnum(
|
|
IXMLDOMNodeList* iface,
|
|
IUnknown** ppUnk)
|
|
{
|
|
FIXME("\n");
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
|
|
static const struct IXMLDOMNodeListVtbl queryresult_vtbl =
|
|
{
|
|
queryresult_QueryInterface,
|
|
queryresult_AddRef,
|
|
queryresult_Release,
|
|
queryresult_GetTypeInfoCount,
|
|
queryresult_GetTypeInfo,
|
|
queryresult_GetIDsOfNames,
|
|
queryresult_Invoke,
|
|
queryresult_get_item,
|
|
queryresult_get_length,
|
|
queryresult_nextNode,
|
|
queryresult_reset,
|
|
queryresult__newEnum,
|
|
};
|
|
|
|
static HRESULT queryresult_get_dispid(IUnknown *iface, BSTR name, DWORD flags, DISPID *dispid)
|
|
{
|
|
queryresult *This = impl_from_IXMLDOMNodeList( (IXMLDOMNodeList*)iface );
|
|
WCHAR *ptr;
|
|
int idx = 0;
|
|
|
|
for(ptr = name; *ptr && isdigitW(*ptr); ptr++)
|
|
idx = idx*10 + (*ptr-'0');
|
|
if(*ptr)
|
|
return DISP_E_UNKNOWNNAME;
|
|
|
|
if(idx >= xmlXPathNodeSetGetLength(This->result->nodesetval))
|
|
return DISP_E_UNKNOWNNAME;
|
|
|
|
*dispid = MSXML_DISPID_CUSTOM_MIN + idx;
|
|
TRACE("ret %x\n", *dispid);
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT queryresult_invoke(IUnknown *iface, DISPID id, LCID lcid, WORD flags, DISPPARAMS *params,
|
|
VARIANT *res, EXCEPINFO *ei)
|
|
{
|
|
queryresult *This = impl_from_IXMLDOMNodeList( (IXMLDOMNodeList*)iface );
|
|
|
|
TRACE("(%p)->(%x %x %x %p %p %p)\n", This, id, lcid, flags, params, res, ei);
|
|
|
|
V_VT(res) = VT_DISPATCH;
|
|
V_DISPATCH(res) = NULL;
|
|
|
|
switch(flags)
|
|
{
|
|
case INVOKE_PROPERTYGET:
|
|
{
|
|
IXMLDOMNode *disp = NULL;
|
|
|
|
queryresult_get_item(XMLQUERYRES(This), id - MSXML_DISPID_CUSTOM_MIN, &disp);
|
|
V_DISPATCH(res) = (IDispatch*)disp;
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
FIXME("unimplemented flags %x\n", flags);
|
|
break;
|
|
}
|
|
}
|
|
|
|
TRACE("ret %p\n", V_DISPATCH(res));
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static const dispex_static_data_vtbl_t queryresult_dispex_vtbl = {
|
|
queryresult_get_dispid,
|
|
queryresult_invoke
|
|
};
|
|
|
|
static const tid_t queryresult_iface_tids[] = {
|
|
IXMLDOMNodeList_tid,
|
|
0
|
|
};
|
|
static dispex_static_data_t queryresult_dispex = {
|
|
&queryresult_dispex_vtbl,
|
|
IXMLDOMNodeList_tid,
|
|
NULL,
|
|
queryresult_iface_tids
|
|
};
|
|
|
|
HRESULT queryresult_create(xmlNodePtr node, LPWSTR szQuery, IXMLDOMNodeList **out)
|
|
{
|
|
queryresult *This = heap_alloc_zero(sizeof(queryresult));
|
|
xmlXPathContextPtr ctxt = xmlXPathNewContext(node->doc);
|
|
xmlChar *str = xmlChar_from_wchar(szQuery);
|
|
HRESULT hr;
|
|
|
|
|
|
TRACE("(%p, %s, %p)\n", node, wine_dbgstr_w(szQuery), out);
|
|
|
|
*out = NULL;
|
|
if (This == NULL || ctxt == NULL || str == NULL)
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
goto cleanup;
|
|
}
|
|
|
|
This->lpVtbl = &queryresult_vtbl;
|
|
This->ref = 1;
|
|
This->resultPos = 0;
|
|
This->node = node;
|
|
xmldoc_add_ref(This->node->doc);
|
|
|
|
ctxt->node = node;
|
|
This->result = xmlXPathEval(str, ctxt);
|
|
if (!This->result || This->result->type != XPATH_NODESET)
|
|
{
|
|
hr = E_FAIL;
|
|
goto cleanup;
|
|
}
|
|
|
|
init_dispex(&This->dispex, (IUnknown*)&This->lpVtbl, &queryresult_dispex);
|
|
|
|
*out = (IXMLDOMNodeList *) &This->lpVtbl;
|
|
hr = S_OK;
|
|
TRACE("found %d matches\n", xmlXPathNodeSetGetLength(This->result->nodesetval));
|
|
|
|
cleanup:
|
|
if (This != NULL && FAILED(hr))
|
|
IXMLDOMNodeList_Release( (IXMLDOMNodeList*) &This->lpVtbl );
|
|
if (ctxt != NULL)
|
|
xmlXPathFreeContext(ctxt);
|
|
HeapFree(GetProcessHeap(), 0, str);
|
|
return hr;
|
|
}
|
|
|
|
#endif
|