diff options
Diffstat (limited to 'expat/xmlwf/xmlwin32url.cxx')
| -rw-r--r-- | expat/xmlwf/xmlwin32url.cxx | 395 |
1 files changed, 395 insertions, 0 deletions
diff --git a/expat/xmlwf/xmlwin32url.cxx b/expat/xmlwf/xmlwin32url.cxx new file mode 100644 index 000000000..bbfcce22c --- /dev/null +++ b/expat/xmlwf/xmlwin32url.cxx @@ -0,0 +1,395 @@ +#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); +} |