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msxml3: Don't use libxml namespaces stack.

This commit is contained in:
Piotr Caban 2011-10-31 12:32:59 +01:00 committed by Alexandre Julliard
parent e6aace7a85
commit 619c2dcd08
1 changed files with 101 additions and 41 deletions
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142
dlls/msxml3/saxreader.c
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@ -115,7 +115,12 @@ typedef struct _saxlocator
BOOL vbInterface;
int nsStackSize;
int nsStackLast;
int *nsStack;
struct nsstack
{
const xmlChar *ptr;
BSTR prefix;
BSTR uri;
} *nsStack;
int attributesSize;
int nb_attributes;
@ -255,27 +260,57 @@ static inline BOOL has_error_handler(const saxlocator *locator)
(!locator->vbInterface && locator->saxreader->errorHandler);
}
static HRESULT namespacePush(saxlocator *locator, int ns)
static HRESULT namespacePush(saxlocator *locator, const xmlChar *prefix,
const xmlChar *uri)
{
if(locator->nsStackLast>=locator->nsStackSize)
{
int *new_stack;
struct nsstack *new_stack;
new_stack = HeapReAlloc(GetProcessHeap(), 0,
locator->nsStack, sizeof(int)*locator->nsStackSize*2);
locator->nsStack, sizeof(struct nsstack)*locator->nsStackSize*2);
if(!new_stack) return E_OUTOFMEMORY;
locator->nsStack = new_stack;
locator->nsStackSize *= 2;
}
locator->nsStack[locator->nsStackLast++] = ns;
locator->nsStack[locator->nsStackLast].ptr = uri;
if(uri)
{
locator->nsStack[locator->nsStackLast].prefix = bstr_from_xmlChar(prefix);
if(!locator->nsStack[locator->nsStackLast].prefix)
return E_OUTOFMEMORY;
locator->nsStack[locator->nsStackLast].uri = bstr_from_xmlChar(uri);
if(!locator->nsStack[locator->nsStackLast].uri)
{
SysFreeString(locator->nsStack[locator->nsStackLast].prefix);
return E_OUTOFMEMORY;
}
}
else
{
locator->nsStack[locator->nsStackLast].prefix = NULL;
locator->nsStack[locator->nsStackLast].uri = NULL;
}
locator->nsStackLast++;
return S_OK;
}
static int namespacePop(saxlocator *locator)
static HRESULT namespacePop(saxlocator *locator)
{
if(locator->nsStackLast == 0) return 0;
return locator->nsStack[--locator->nsStackLast];
if(locator->nsStackLast == 0)
{
ERR("namespace stack is empty\n");
return E_UNEXPECTED;
}
SysFreeString(locator->nsStack[--locator->nsStackLast].prefix);
SysFreeString(locator->nsStack[locator->nsStackLast].uri);
locator->nsStack[locator->nsStackLast].prefix = NULL;
locator->nsStack[locator->nsStackLast].uri = NULL;
return S_OK;
}
static BOOL bstr_pool_insert(struct bstrpool *pool, BSTR pool_entry)
@ -1165,7 +1200,16 @@ static void libxmlStartElementNS(
index++;
update_position(This, (xmlChar*)This->pParserCtxt->input->cur+index);
hr = namespacePush(This, nb_namespaces);
hr = namespacePush(This, NULL, NULL);
for(index=0; hr==S_OK && index<nb_namespaces; index++)
hr = namespacePush(This, namespaces[2*index], namespaces[2*index+1]);
if(hr != S_OK)
{
for(; index>=0; index--)
namespacePop(This);
namespacePop(This);
}
if(hr==S_OK && has_content_handler(This))
{
for(index=0; index<nb_namespaces; index++)
@ -1217,11 +1261,11 @@ static void libxmlEndElementNS(
const xmlChar *prefix,
const xmlChar *URI)
{
BSTR NamespaceUri, LocalName, QName, Prefix;
BSTR NamespaceUri, LocalName, QName;
saxlocator *This = ctx;
HRESULT hr;
xmlChar *end;
int nsNr, index;
struct nsstack *elem = &This->nsStack[This->nsStackLast-1];
end = (xmlChar*)This->pParserCtxt->input->cur;
if(This->saxreader->version >= MSXML6) {
@ -1234,8 +1278,6 @@ static void libxmlEndElementNS(
update_position(This, end);
nsNr = namespacePop(This);
if(has_content_handler(This))
{
NamespaceUri = pooled_bstr_from_xmlChar(&This->saxreader->pool, URI);
@ -1263,53 +1305,69 @@ static void libxmlEndElementNS(
if(This->saxreader->version >= MSXML6)
{
for(index=This->pParserCtxt->nsNr-nsNr*2;
index<This->pParserCtxt->nsNr; index+=2)
{
Prefix = pooled_bstr_from_xmlChar(&This->saxreader->pool, This->pParserCtxt->nsTab[index]);
if(This->vbInterface)
hr = IVBSAXContentHandler_endPrefixMapping(
This->saxreader->vbcontentHandler, &Prefix);
else
hr = ISAXContentHandler_endPrefixMapping(
This->saxreader->contentHandler,
Prefix, SysStringLen(Prefix));
if(FAILED(hr))
{
format_error_message_from_id(This, hr);
return;
}
while(elem->ptr) {
elem--;
}
}
else
{
for(index=This->pParserCtxt->nsNr-2;
index>=This->pParserCtxt->nsNr-nsNr*2; index-=2)
{
Prefix = pooled_bstr_from_xmlChar(&This->saxreader->pool, This->pParserCtxt->nsTab[index]);
elem++;
while(elem < &This->nsStack[This->nsStackLast]) {
if(This->vbInterface)
hr = IVBSAXContentHandler_endPrefixMapping(
This->saxreader->vbcontentHandler, &Prefix);
This->saxreader->vbcontentHandler, &elem->prefix);
else
hr = ISAXContentHandler_endPrefixMapping(
This->saxreader->contentHandler,
Prefix, SysStringLen(Prefix));
elem->prefix, SysStringLen(elem->prefix));
if(hr != S_OK)
{
format_error_message_from_id(This, hr);
return;
}
elem++;
}
elem--;
while(elem->ptr) {
namespacePop(This);
elem--;
}
}
else
{
while(1) {
if(!elem->ptr)
break;
if(This->vbInterface)
hr = IVBSAXContentHandler_endPrefixMapping(
This->saxreader->vbcontentHandler, &elem->prefix);
else
hr = ISAXContentHandler_endPrefixMapping(
This->saxreader->contentHandler,
elem->prefix, SysStringLen(elem->prefix));
if(FAILED(hr))
{
format_error_message_from_id(This, hr);
return;
}
namespacePop(This);
elem--;
}
}
}
else
{
This->nb_attributes = 0;
while(elem->ptr) {
namespacePop(This);
elem--;
}
}
namespacePop(This);
update_position(This, NULL);
}
@ -1806,6 +1864,8 @@ static ULONG WINAPI isaxlocator_Release(
SysFreeString(This->publicId);
SysFreeString(This->systemId);
while(This->nsStackLast)
namespacePop(This);
heap_free(This->nsStack);
for(index=0; index<This->nb_attributes; index++)
@ -1927,7 +1987,7 @@ static HRESULT SAXLocator_create(saxreader *reader, saxlocator **ppsaxlocator, B
locator->ret = S_OK;
locator->nsStackSize = 8;
locator->nsStackLast = 0;
locator->nsStack = heap_alloc(sizeof(int)*locator->nsStackSize);
locator->nsStack = heap_alloc(sizeof(struct nsstack)*locator->nsStackSize);
if(!locator->nsStack)
{
ISAXXMLReader_Release(&reader->ISAXXMLReader_iface);