зеркало из https://github.com/mozilla/gecko-dev.git
Backing a part of my code to see if it improves xul window performance. a=sheriff
This commit is contained in:
harishd%netscape.com
Родитель
b050f87ab1
Коммит
2a9444257b
|
|
@ -164,7 +164,118 @@ Driver_HandleEndDoctypeDecl(void *aUserData)
|
|||
}
|
||||
}
|
||||
|
||||
#ifdef MALLOC_Driver_HandleExternalEntityRef
|
||||
PR_STATIC_CALLBACK(int)
|
||||
Driver_HandleExternalEntityRef(XML_Parser parser,
|
||||
const XML_Char *openEntityNames,
|
||||
const XML_Char *base,
|
||||
const XML_Char *systemId,
|
||||
const XML_Char *publicId)
|
||||
{
|
||||
int result = PR_TRUE;
|
||||
|
||||
#ifdef XML_DTD
|
||||
// Load the external entity into a buffer
|
||||
nsCOMPtr<nsIInputStream> in;
|
||||
nsAutoString absURL;
|
||||
nsresult rv = NS_OK;
|
||||
PRUnichar *uniBuf = nsnull;
|
||||
PRUint32 retLen = 0;
|
||||
|
||||
#ifdef MOZ_SVG
|
||||
// yuck. I don't know of any other way to do this, though, since we don't
|
||||
// read external dtd's, and we need the #FIXED xmlns attribute, so we
|
||||
// can't do this later based on what namespace we're in - bbaetz
|
||||
|
||||
// The alternative is remapping the systemId, and installing an svg.dtd file
|
||||
// in the dtd directory. This is simpler, for now.
|
||||
|
||||
// XXX - need to do this for the other #FIXED attribuues as well
|
||||
NS_NAMED_LITERAL_STRING(svgDtd,
|
||||
"<!ATTLIST svg xmlns CDATA #FIXED \"http://www.w3.org/2000/svg\" >");
|
||||
|
||||
#define svgPublicIdPrefix "-//W3C//DTD SVG "
|
||||
|
||||
if (publicId && !nsCRT::strncmp((const PRUnichar*)publicId,
|
||||
NS_LITERAL_STRING(svgPublicIdPrefix).get(),
|
||||
sizeof(svgPublicIdPrefix)-1)) {
|
||||
uniBuf = ToNewUnicode(svgDtd);
|
||||
retLen = svgDtd.Length();
|
||||
} else {
|
||||
#endif
|
||||
rv = nsExpatDriver::OpenInputStream(systemId, base, getter_AddRefs(in), absURL);
|
||||
|
||||
if (NS_SUCCEEDED(rv) && in)
|
||||
rv = nsExpatDriver::LoadStream(in, uniBuf, retLen);
|
||||
#ifdef MOZ_SVG
|
||||
}
|
||||
#endif
|
||||
|
||||
// Pass the buffer to expat for parsing
|
||||
if (NS_SUCCEEDED(rv) && uniBuf) {
|
||||
// Create a parser for parsing the external entity
|
||||
XML_Parser entParser = XML_ExternalEntityParserCreate(parser, 0,
|
||||
(const XML_Char*) NS_LITERAL_STRING("UTF-16").get());
|
||||
|
||||
if (entParser) {
|
||||
XML_SetBase(entParser, (const XML_Char*) absURL.get());
|
||||
result = XML_Parse(entParser, (char *)uniBuf, retLen * sizeof(PRUnichar), 1);
|
||||
XML_ParserFree(entParser);
|
||||
}
|
||||
}
|
||||
PR_FREEIF(uniBuf);
|
||||
|
||||
#else /* ! XML_DTD */
|
||||
|
||||
NS_NOTYETIMPLEMENTED("Error: Driver_HandleExternalEntityRef() not yet implemented.");
|
||||
|
||||
#endif /* XML_DTD */
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
nsresult
|
||||
nsExpatDriver::LoadStream(nsIInputStream* in,
|
||||
PRUnichar*& uniBuf,
|
||||
PRUint32& retLen)
|
||||
{
|
||||
// read it
|
||||
PRUint32 aCount = 1024,
|
||||
bufsize = aCount*sizeof(PRUnichar);
|
||||
nsCOMPtr<nsIUnicharInputStream> uniIn;
|
||||
|
||||
nsresult res = NS_NewUTF8ConverterStream(getter_AddRefs(uniIn),
|
||||
in, aCount);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
PRUint32 aReadCount = 0;
|
||||
PRUnichar *aBuf = (PRUnichar *) PR_Malloc(bufsize);
|
||||
|
||||
while (NS_OK == (res=uniIn->Read(aBuf, retLen, aCount, &aReadCount))
|
||||
&& aReadCount != 0) {
|
||||
retLen += aReadCount;
|
||||
#if 1
|
||||
bufsize += aCount * sizeof(PRUnichar);
|
||||
aBuf = (PRUnichar *) PR_Realloc(aBuf, bufsize);
|
||||
#else
|
||||
if (((aReadCount+32) >= aCount) &&
|
||||
((retLen+aCount) * sizeof(PRUnichar) >= bufsize)) {
|
||||
|
||||
bufsize += aCount * sizeof(PRUnichar);
|
||||
uniBuf = (PRUnichar *) PR_Realloc(uniBuf, bufsize*sizeof(PRUnichar));
|
||||
}
|
||||
#endif
|
||||
}/* while */
|
||||
uniBuf = (PRUnichar *) PR_Malloc(retLen*sizeof(PRUnichar));
|
||||
nsCRT::memcpy(uniBuf, aBuf, sizeof(PRUnichar) * retLen);
|
||||
PR_FREEIF(aBuf);
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
#else
|
||||
static int
|
||||
=======
|
||||
PR_STATIC_CALLBACK(int)
|
||||
Driver_HandleExternalEntityRef(XML_Parser parser,
|
||||
const XML_Char *openEntityNames,
|
||||
|
|
@ -216,12 +327,13 @@ Driver_HandleExternalEntityRef(XML_Parser parser,
|
|||
}
|
||||
}
|
||||
|
||||
#else /* ! XML_DTD */
|
||||
#else // ! XML_DTD
|
||||
NS_NOTYETIMPLEMENTED("Error: Tokenizer_HandleExternalEntityRef() not yet implemented.");
|
||||
#endif /* XML_DTD */
|
||||
#endif // XML_DTD
|
||||
|
||||
return result;
|
||||
}
|
||||
#endif
|
||||
|
||||
/***************************** END CALL BACKS *********************************/
|
||||
|
||||
|
|
|
|||
|
|
@ -45,6 +45,9 @@
|
|||
#include "nsITokenizer.h"
|
||||
#include "nsFileSpec.h"
|
||||
|
||||
// Testing xul window performance
|
||||
#define MALLOC_Driver_HandleExternalEntityRef 1
|
||||
|
||||
class nsIExpatSink;
|
||||
|
||||
class nsExpatDriver : public nsIDTD,
|
||||
|
|
@ -59,7 +62,15 @@ public:
|
|||
virtual ~nsExpatDriver();
|
||||
|
||||
// Load up an external stream to get external entity information
|
||||
static nsresult OpenInputStream(const XML_Char* aURLStr, const XML_Char* aBaseURL, nsIInputStream** in, nsAString& aAbsURL);
|
||||
static nsresult OpenInputStream(const XML_Char* aURLStr,
|
||||
const XML_Char* aBaseURL,
|
||||
nsIInputStream** in,
|
||||
nsAString& aAbsURL);
|
||||
#ifdef MALLOC_Driver_HandleExternalEntityRef
|
||||
static nsresult LoadStream(nsIInputStream* in,
|
||||
PRUnichar* &uniBuf,
|
||||
PRUint32 &retLen);
|
||||
#endif
|
||||
|
||||
nsresult HandleStartElement(const PRUnichar *aName, const PRUnichar **aAtts);
|
||||
nsresult HandleEndElement(const PRUnichar *aName);
|
||||
|
|
|
|||
|
|
@ -164,7 +164,118 @@ Driver_HandleEndDoctypeDecl(void *aUserData)
|
|||
}
|
||||
}
|
||||
|
||||
#ifdef MALLOC_Driver_HandleExternalEntityRef
|
||||
PR_STATIC_CALLBACK(int)
|
||||
Driver_HandleExternalEntityRef(XML_Parser parser,
|
||||
const XML_Char *openEntityNames,
|
||||
const XML_Char *base,
|
||||
const XML_Char *systemId,
|
||||
const XML_Char *publicId)
|
||||
{
|
||||
int result = PR_TRUE;
|
||||
|
||||
#ifdef XML_DTD
|
||||
// Load the external entity into a buffer
|
||||
nsCOMPtr<nsIInputStream> in;
|
||||
nsAutoString absURL;
|
||||
nsresult rv = NS_OK;
|
||||
PRUnichar *uniBuf = nsnull;
|
||||
PRUint32 retLen = 0;
|
||||
|
||||
#ifdef MOZ_SVG
|
||||
// yuck. I don't know of any other way to do this, though, since we don't
|
||||
// read external dtd's, and we need the #FIXED xmlns attribute, so we
|
||||
// can't do this later based on what namespace we're in - bbaetz
|
||||
|
||||
// The alternative is remapping the systemId, and installing an svg.dtd file
|
||||
// in the dtd directory. This is simpler, for now.
|
||||
|
||||
// XXX - need to do this for the other #FIXED attribuues as well
|
||||
NS_NAMED_LITERAL_STRING(svgDtd,
|
||||
"<!ATTLIST svg xmlns CDATA #FIXED \"http://www.w3.org/2000/svg\" >");
|
||||
|
||||
#define svgPublicIdPrefix "-//W3C//DTD SVG "
|
||||
|
||||
if (publicId && !nsCRT::strncmp((const PRUnichar*)publicId,
|
||||
NS_LITERAL_STRING(svgPublicIdPrefix).get(),
|
||||
sizeof(svgPublicIdPrefix)-1)) {
|
||||
uniBuf = ToNewUnicode(svgDtd);
|
||||
retLen = svgDtd.Length();
|
||||
} else {
|
||||
#endif
|
||||
rv = nsExpatDriver::OpenInputStream(systemId, base, getter_AddRefs(in), absURL);
|
||||
|
||||
if (NS_SUCCEEDED(rv) && in)
|
||||
rv = nsExpatDriver::LoadStream(in, uniBuf, retLen);
|
||||
#ifdef MOZ_SVG
|
||||
}
|
||||
#endif
|
||||
|
||||
// Pass the buffer to expat for parsing
|
||||
if (NS_SUCCEEDED(rv) && uniBuf) {
|
||||
// Create a parser for parsing the external entity
|
||||
XML_Parser entParser = XML_ExternalEntityParserCreate(parser, 0,
|
||||
(const XML_Char*) NS_LITERAL_STRING("UTF-16").get());
|
||||
|
||||
if (entParser) {
|
||||
XML_SetBase(entParser, (const XML_Char*) absURL.get());
|
||||
result = XML_Parse(entParser, (char *)uniBuf, retLen * sizeof(PRUnichar), 1);
|
||||
XML_ParserFree(entParser);
|
||||
}
|
||||
}
|
||||
PR_FREEIF(uniBuf);
|
||||
|
||||
#else /* ! XML_DTD */
|
||||
|
||||
NS_NOTYETIMPLEMENTED("Error: Driver_HandleExternalEntityRef() not yet implemented.");
|
||||
|
||||
#endif /* XML_DTD */
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
nsresult
|
||||
nsExpatDriver::LoadStream(nsIInputStream* in,
|
||||
PRUnichar*& uniBuf,
|
||||
PRUint32& retLen)
|
||||
{
|
||||
// read it
|
||||
PRUint32 aCount = 1024,
|
||||
bufsize = aCount*sizeof(PRUnichar);
|
||||
nsCOMPtr<nsIUnicharInputStream> uniIn;
|
||||
|
||||
nsresult res = NS_NewUTF8ConverterStream(getter_AddRefs(uniIn),
|
||||
in, aCount);
|
||||
if (NS_FAILED(res)) return res;
|
||||
|
||||
PRUint32 aReadCount = 0;
|
||||
PRUnichar *aBuf = (PRUnichar *) PR_Malloc(bufsize);
|
||||
|
||||
while (NS_OK == (res=uniIn->Read(aBuf, retLen, aCount, &aReadCount))
|
||||
&& aReadCount != 0) {
|
||||
retLen += aReadCount;
|
||||
#if 1
|
||||
bufsize += aCount * sizeof(PRUnichar);
|
||||
aBuf = (PRUnichar *) PR_Realloc(aBuf, bufsize);
|
||||
#else
|
||||
if (((aReadCount+32) >= aCount) &&
|
||||
((retLen+aCount) * sizeof(PRUnichar) >= bufsize)) {
|
||||
|
||||
bufsize += aCount * sizeof(PRUnichar);
|
||||
uniBuf = (PRUnichar *) PR_Realloc(uniBuf, bufsize*sizeof(PRUnichar));
|
||||
}
|
||||
#endif
|
||||
}/* while */
|
||||
uniBuf = (PRUnichar *) PR_Malloc(retLen*sizeof(PRUnichar));
|
||||
nsCRT::memcpy(uniBuf, aBuf, sizeof(PRUnichar) * retLen);
|
||||
PR_FREEIF(aBuf);
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
#else
|
||||
static int
|
||||
=======
|
||||
PR_STATIC_CALLBACK(int)
|
||||
Driver_HandleExternalEntityRef(XML_Parser parser,
|
||||
const XML_Char *openEntityNames,
|
||||
|
|
@ -216,12 +327,13 @@ Driver_HandleExternalEntityRef(XML_Parser parser,
|
|||
}
|
||||
}
|
||||
|
||||
#else /* ! XML_DTD */
|
||||
#else // ! XML_DTD
|
||||
NS_NOTYETIMPLEMENTED("Error: Tokenizer_HandleExternalEntityRef() not yet implemented.");
|
||||
#endif /* XML_DTD */
|
||||
#endif // XML_DTD
|
||||
|
||||
return result;
|
||||
}
|
||||
#endif
|
||||
|
||||
/***************************** END CALL BACKS *********************************/
|
||||
|
||||
|
|
|
|||
|
|
@ -45,6 +45,9 @@
|
|||
#include "nsITokenizer.h"
|
||||
#include "nsFileSpec.h"
|
||||
|
||||
// Testing xul window performance
|
||||
#define MALLOC_Driver_HandleExternalEntityRef 1
|
||||
|
||||
class nsIExpatSink;
|
||||
|
||||
class nsExpatDriver : public nsIDTD,
|
||||
|
|
@ -59,7 +62,15 @@ public:
|
|||
virtual ~nsExpatDriver();
|
||||
|
||||
// Load up an external stream to get external entity information
|
||||
static nsresult OpenInputStream(const XML_Char* aURLStr, const XML_Char* aBaseURL, nsIInputStream** in, nsAString& aAbsURL);
|
||||
static nsresult OpenInputStream(const XML_Char* aURLStr,
|
||||
const XML_Char* aBaseURL,
|
||||
nsIInputStream** in,
|
||||
nsAString& aAbsURL);
|
||||
#ifdef MALLOC_Driver_HandleExternalEntityRef
|
||||
static nsresult LoadStream(nsIInputStream* in,
|
||||
PRUnichar* &uniBuf,
|
||||
PRUint32 &retLen);
|
||||
#endif
|
||||
|
||||
nsresult HandleStartElement(const PRUnichar *aName, const PRUnichar **aAtts);
|
||||
nsresult HandleEndElement(const PRUnichar *aName);
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче