mirror of https://github.com/axmolengine/axmol.git
396 lines
8.6 KiB
C++
396 lines
8.6 KiB
C++
#include "expat.h"
|
|
#ifdef XML_UNICODE
|
|
#define UNICODE
|
|
#endif
|
|
#include <windows.h>
|
|
#include <urlmon.h>
|
|
#include <wininet.h>
|
|
#include <stdio.h>
|
|
#include <tchar.h>
|
|
#include "xmlurl.h"
|
|
#include "xmlmime.h"
|
|
|
|
static int
|
|
processURL(XML_Parser parser, IMoniker *baseMoniker, const XML_Char *url);
|
|
|
|
typedef void (*StopHandler)(void *, HRESULT);
|
|
|
|
class Callback : public IBindStatusCallback {
|
|
public:
|
|
// IUnknown methods
|
|
STDMETHODIMP QueryInterface(REFIID,void **);
|
|
STDMETHODIMP_(ULONG) AddRef();
|
|
STDMETHODIMP_(ULONG) Release();
|
|
// IBindStatusCallback methods
|
|
STDMETHODIMP OnStartBinding(DWORD, IBinding *);
|
|
STDMETHODIMP GetPriority(LONG *);
|
|
STDMETHODIMP OnLowResource(DWORD);
|
|
STDMETHODIMP OnProgress(ULONG, ULONG, ULONG, LPCWSTR);
|
|
STDMETHODIMP OnStopBinding(HRESULT, LPCWSTR);
|
|
STDMETHODIMP GetBindInfo(DWORD *, BINDINFO *);
|
|
STDMETHODIMP OnDataAvailable(DWORD, DWORD, FORMATETC *, STGMEDIUM *);
|
|
STDMETHODIMP OnObjectAvailable(REFIID, IUnknown *);
|
|
Callback(XML_Parser, IMoniker *, StopHandler, void *);
|
|
~Callback();
|
|
int externalEntityRef(const XML_Char *context,
|
|
const XML_Char *systemId, const XML_Char *publicId);
|
|
private:
|
|
XML_Parser parser_;
|
|
IMoniker *baseMoniker_;
|
|
DWORD totalRead_;
|
|
ULONG ref_;
|
|
IBinding *pBinding_;
|
|
StopHandler stopHandler_;
|
|
void *stopArg_;
|
|
};
|
|
|
|
STDMETHODIMP_(ULONG)
|
|
Callback::AddRef()
|
|
{
|
|
return ref_++;
|
|
}
|
|
|
|
STDMETHODIMP_(ULONG)
|
|
Callback::Release()
|
|
{
|
|
if (--ref_ == 0) {
|
|
delete this;
|
|
return 0;
|
|
}
|
|
return ref_;
|
|
}
|
|
|
|
STDMETHODIMP
|
|
Callback::QueryInterface(REFIID riid, void** ppv)
|
|
{
|
|
if (IsEqualGUID(riid, IID_IUnknown))
|
|
*ppv = (IUnknown *)this;
|
|
else if (IsEqualGUID(riid, IID_IBindStatusCallback))
|
|
*ppv = (IBindStatusCallback *)this;
|
|
else
|
|
return E_NOINTERFACE;
|
|
((LPUNKNOWN)*ppv)->AddRef();
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHODIMP
|
|
Callback::OnStartBinding(DWORD, IBinding* pBinding)
|
|
{
|
|
pBinding_ = pBinding;
|
|
pBinding->AddRef();
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHODIMP
|
|
Callback::GetPriority(LONG *)
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
STDMETHODIMP
|
|
Callback::OnLowResource(DWORD)
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
STDMETHODIMP
|
|
Callback::OnProgress(ULONG, ULONG, ULONG, LPCWSTR)
|
|
{
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHODIMP
|
|
Callback::OnStopBinding(HRESULT hr, LPCWSTR szError)
|
|
{
|
|
if (pBinding_) {
|
|
pBinding_->Release();
|
|
pBinding_ = 0;
|
|
}
|
|
if (baseMoniker_) {
|
|
baseMoniker_->Release();
|
|
baseMoniker_ = 0;
|
|
}
|
|
stopHandler_(stopArg_, hr);
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHODIMP
|
|
Callback::GetBindInfo(DWORD* pgrfBINDF, BINDINFO* pbindinfo)
|
|
{
|
|
*pgrfBINDF = BINDF_ASYNCHRONOUS;
|
|
return S_OK;
|
|
}
|
|
|
|
static void
|
|
reportError(XML_Parser parser)
|
|
{
|
|
int code = XML_GetErrorCode(parser);
|
|
const XML_Char *message = XML_ErrorString(code);
|
|
if (message)
|
|
_ftprintf(stderr, _T("%s:%d:%ld: %s\n"),
|
|
XML_GetBase(parser),
|
|
XML_GetErrorLineNumber(parser),
|
|
XML_GetErrorColumnNumber(parser),
|
|
message);
|
|
else
|
|
_ftprintf(stderr, _T("%s: (unknown message %d)\n"),
|
|
XML_GetBase(parser), code);
|
|
}
|
|
|
|
STDMETHODIMP
|
|
Callback::OnDataAvailable(DWORD grfBSCF,
|
|
DWORD dwSize,
|
|
FORMATETC *pfmtetc,
|
|
STGMEDIUM* pstgmed)
|
|
{
|
|
if (grfBSCF & BSCF_FIRSTDATANOTIFICATION) {
|
|
IWinInetHttpInfo *hp;
|
|
HRESULT hr = pBinding_->QueryInterface(IID_IWinInetHttpInfo,
|
|
(void **)&hp);
|
|
if (SUCCEEDED(hr)) {
|
|
char contentType[1024];
|
|
DWORD bufSize = sizeof(contentType);
|
|
DWORD flags = 0;
|
|
contentType[0] = 0;
|
|
hr = hp->QueryInfo(HTTP_QUERY_CONTENT_TYPE, contentType,
|
|
&bufSize, 0, NULL);
|
|
if (SUCCEEDED(hr)) {
|
|
char charset[CHARSET_MAX];
|
|
getXMLCharset(contentType, charset);
|
|
if (charset[0]) {
|
|
#ifdef XML_UNICODE
|
|
XML_Char wcharset[CHARSET_MAX];
|
|
XML_Char *p1 = wcharset;
|
|
const char *p2 = charset;
|
|
while ((*p1++ = (unsigned char)*p2++) != 0)
|
|
;
|
|
XML_SetEncoding(parser_, wcharset);
|
|
#else
|
|
XML_SetEncoding(parser_, charset);
|
|
#endif
|
|
}
|
|
}
|
|
hp->Release();
|
|
}
|
|
}
|
|
if (!parser_)
|
|
return E_ABORT;
|
|
if (pstgmed->tymed == TYMED_ISTREAM) {
|
|
while (totalRead_ < dwSize) {
|
|
#define READ_MAX (64*1024)
|
|
DWORD nToRead = dwSize - totalRead_;
|
|
if (nToRead > READ_MAX)
|
|
nToRead = READ_MAX;
|
|
void *buf = XML_GetBuffer(parser_, nToRead);
|
|
if (!buf) {
|
|
_ftprintf(stderr, _T("out of memory\n"));
|
|
return E_ABORT;
|
|
}
|
|
DWORD nRead;
|
|
HRESULT hr = pstgmed->pstm->Read(buf, nToRead, &nRead);
|
|
if (SUCCEEDED(hr)) {
|
|
totalRead_ += nRead;
|
|
if (!XML_ParseBuffer(parser_,
|
|
nRead,
|
|
(grfBSCF & BSCF_LASTDATANOTIFICATION) != 0
|
|
&& totalRead_ == dwSize)) {
|
|
reportError(parser_);
|
|
return E_ABORT;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHODIMP
|
|
Callback::OnObjectAvailable(REFIID, IUnknown *)
|
|
{
|
|
return S_OK;
|
|
}
|
|
|
|
int
|
|
Callback::externalEntityRef(const XML_Char *context,
|
|
const XML_Char *systemId,
|
|
const XML_Char *publicId)
|
|
{
|
|
XML_Parser entParser = XML_ExternalEntityParserCreate(parser_, context, 0);
|
|
XML_SetBase(entParser, systemId);
|
|
int ret = processURL(entParser, baseMoniker_, systemId);
|
|
XML_ParserFree(entParser);
|
|
return ret;
|
|
}
|
|
|
|
Callback::Callback(XML_Parser parser, IMoniker *baseMoniker,
|
|
StopHandler stopHandler, void *stopArg)
|
|
: parser_(parser),
|
|
baseMoniker_(baseMoniker),
|
|
ref_(0),
|
|
pBinding_(0),
|
|
totalRead_(0),
|
|
stopHandler_(stopHandler),
|
|
stopArg_(stopArg)
|
|
{
|
|
if (baseMoniker_)
|
|
baseMoniker_->AddRef();
|
|
}
|
|
|
|
Callback::~Callback()
|
|
{
|
|
if (pBinding_)
|
|
pBinding_->Release();
|
|
if (baseMoniker_)
|
|
baseMoniker_->Release();
|
|
}
|
|
|
|
static int
|
|
externalEntityRef(void *arg,
|
|
const XML_Char *context,
|
|
const XML_Char *base,
|
|
const XML_Char *systemId,
|
|
const XML_Char *publicId)
|
|
{
|
|
return ((Callback *)arg)->externalEntityRef(context, systemId, publicId);
|
|
}
|
|
|
|
|
|
static HRESULT
|
|
openStream(XML_Parser parser,
|
|
IMoniker *baseMoniker,
|
|
const XML_Char *uri,
|
|
StopHandler stopHandler, void *stopArg)
|
|
{
|
|
if (!XML_SetBase(parser, uri))
|
|
return E_OUTOFMEMORY;
|
|
HRESULT hr;
|
|
IMoniker *m;
|
|
#ifdef XML_UNICODE
|
|
hr = CreateURLMoniker(0, uri, &m);
|
|
#else
|
|
LPWSTR uriw = new wchar_t[strlen(uri) + 1];
|
|
for (int i = 0;; i++) {
|
|
uriw[i] = uri[i];
|
|
if (uriw[i] == 0)
|
|
break;
|
|
}
|
|
hr = CreateURLMoniker(baseMoniker, uriw, &m);
|
|
delete [] uriw;
|
|
#endif
|
|
if (FAILED(hr))
|
|
return hr;
|
|
IBindStatusCallback *cb = new Callback(parser, m, stopHandler, stopArg);
|
|
XML_SetExternalEntityRefHandler(parser, externalEntityRef);
|
|
XML_SetExternalEntityRefHandlerArg(parser, cb);
|
|
cb->AddRef();
|
|
IBindCtx *b;
|
|
if (FAILED(hr = CreateAsyncBindCtx(0, cb, 0, &b))) {
|
|
cb->Release();
|
|
m->Release();
|
|
return hr;
|
|
}
|
|
cb->Release();
|
|
IStream *pStream;
|
|
hr = m->BindToStorage(b, 0, IID_IStream, (void **)&pStream);
|
|
if (SUCCEEDED(hr)) {
|
|
if (pStream)
|
|
pStream->Release();
|
|
}
|
|
if (hr == MK_S_ASYNCHRONOUS)
|
|
hr = S_OK;
|
|
m->Release();
|
|
b->Release();
|
|
return hr;
|
|
}
|
|
|
|
struct QuitInfo {
|
|
const XML_Char *url;
|
|
HRESULT hr;
|
|
int stop;
|
|
};
|
|
|
|
static void
|
|
winPerror(const XML_Char *url, HRESULT hr)
|
|
{
|
|
LPVOID buf;
|
|
if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER
|
|
| FORMAT_MESSAGE_FROM_HMODULE,
|
|
GetModuleHandleA("urlmon.dll"),
|
|
hr,
|
|
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
|
|
(LPTSTR) &buf,
|
|
0,
|
|
NULL)
|
|
|| FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER
|
|
| FORMAT_MESSAGE_FROM_SYSTEM,
|
|
0,
|
|
hr,
|
|
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
|
|
(LPTSTR) &buf,
|
|
0,
|
|
NULL)) {
|
|
/* The system error messages seem to end with a newline. */
|
|
_ftprintf(stderr, _T("%s: %s"), url, buf);
|
|
fflush(stderr);
|
|
LocalFree(buf);
|
|
}
|
|
else
|
|
_ftprintf(stderr, _T("%s: error %x\n"), url, hr);
|
|
}
|
|
|
|
static void
|
|
threadQuit(void *p, HRESULT hr)
|
|
{
|
|
QuitInfo *qi = (QuitInfo *)p;
|
|
qi->hr = hr;
|
|
qi->stop = 1;
|
|
}
|
|
|
|
extern "C"
|
|
int
|
|
XML_URLInit(void)
|
|
{
|
|
return SUCCEEDED(CoInitialize(0));
|
|
}
|
|
|
|
extern "C"
|
|
void
|
|
XML_URLUninit(void)
|
|
{
|
|
CoUninitialize();
|
|
}
|
|
|
|
static int
|
|
processURL(XML_Parser parser, IMoniker *baseMoniker,
|
|
const XML_Char *url)
|
|
{
|
|
QuitInfo qi;
|
|
qi.stop = 0;
|
|
qi.url = url;
|
|
|
|
XML_SetBase(parser, url);
|
|
HRESULT hr = openStream(parser, baseMoniker, url, threadQuit, &qi);
|
|
if (FAILED(hr)) {
|
|
winPerror(url, hr);
|
|
return 0;
|
|
}
|
|
else if (FAILED(qi.hr)) {
|
|
winPerror(url, qi.hr);
|
|
return 0;
|
|
}
|
|
MSG msg;
|
|
while (!qi.stop && GetMessage (&msg, NULL, 0, 0)) {
|
|
TranslateMessage (&msg);
|
|
DispatchMessage (&msg);
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
extern "C"
|
|
int
|
|
XML_ProcessURL(XML_Parser parser,
|
|
const XML_Char *url,
|
|
unsigned flags)
|
|
{
|
|
return processURL(parser, 0, url);
|
|
}
|