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win32ole.c
4142 lines (3828 loc) · 120 KB
/
win32ole.c
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/*
* (c) 1995 Microsoft Corporation. All rights reserved.
* Developed by ActiveWare Internet Corp., now known as
* ActiveState Tool Corp., http://www.ActiveState.com
*
* Other modifications Copyright (c) 1997, 1998 by Gurusamy Sarathy
* <gsar@umich.edu> and Jan Dubois <jan.dubois@ibm.net>
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file
* of the Perl distribution.
*
*/
/*
modified for win32ole (ruby) by Masaki.Suketa <masaki.suketa@nifty.ne.jp>
*/
#include "win32ole.h"
/*
* unfortunately IID_IMultiLanguage2 is not included in any libXXX.a
* in Cygwin(mingw32).
*/
#if defined(__CYGWIN__) || defined(__MINGW32__)
#undef IID_IMultiLanguage2
const IID IID_IMultiLanguage2 = {0xDCCFC164, 0x2B38, 0x11d2, {0xB7, 0xEC, 0x00, 0xC0, 0x4F, 0x8F, 0x5D, 0x9A}};
#endif
#define WIN32OLE_VERSION "1.8.8"
typedef HRESULT (STDAPICALLTYPE FNCOCREATEINSTANCEEX)
(REFCLSID, IUnknown*, DWORD, COSERVERINFO*, DWORD, MULTI_QI*);
typedef HWND (WINAPI FNHTMLHELP)(HWND hwndCaller, LPCSTR pszFile,
UINT uCommand, DWORD dwData);
typedef BOOL (FNENUMSYSEMCODEPAGES) (CODEPAGE_ENUMPROC, DWORD);
VALUE cWIN32OLE;
#if defined(RB_THREAD_SPECIFIC) && (defined(__CYGWIN__))
static RB_THREAD_SPECIFIC BOOL g_ole_initialized;
# define g_ole_initialized_init() ((void)0)
# define g_ole_initialized_set(val) (g_ole_initialized = (val))
#else
static volatile DWORD g_ole_initialized_key = TLS_OUT_OF_INDEXES;
# define g_ole_initialized (TlsGetValue(g_ole_initialized_key)!=0)
# define g_ole_initialized_init() (g_ole_initialized_key = TlsAlloc())
# define g_ole_initialized_set(val) TlsSetValue(g_ole_initialized_key, (void*)(val))
#endif
static BOOL g_uninitialize_hooked = FALSE;
static BOOL g_cp_installed = FALSE;
static BOOL g_lcid_installed = FALSE;
static BOOL g_running_nano = FALSE;
static HINSTANCE ghhctrl = NULL;
static HINSTANCE gole32 = NULL;
static FNCOCREATEINSTANCEEX *gCoCreateInstanceEx = NULL;
static VALUE com_hash;
static VALUE enc2cp_hash;
static IDispatchVtbl com_vtbl;
static UINT cWIN32OLE_cp = CP_ACP;
static rb_encoding *cWIN32OLE_enc;
static UINT g_cp_to_check = CP_ACP;
static char g_lcid_to_check[8 + 1];
static VARTYPE g_nil_to = VT_ERROR;
static IMessageFilterVtbl message_filter;
static IMessageFilter imessage_filter = { &message_filter };
static IMessageFilter* previous_filter;
#if defined(HAVE_TYPE_IMULTILANGUAGE2)
static IMultiLanguage2 *pIMultiLanguage = NULL;
#elif defined(HAVE_TYPE_IMULTILANGUAGE)
static IMultiLanguage *pIMultiLanguage = NULL;
#else
#define pIMultiLanguage NULL /* dummy */
#endif
struct oleparam {
DISPPARAMS dp;
OLECHAR** pNamedArgs;
};
static HRESULT ( STDMETHODCALLTYPE QueryInterface )(IDispatch __RPC_FAR *, REFIID riid, void __RPC_FAR *__RPC_FAR *ppvObject);
static ULONG ( STDMETHODCALLTYPE AddRef )(IDispatch __RPC_FAR * This);
static ULONG ( STDMETHODCALLTYPE Release )(IDispatch __RPC_FAR * This);
static HRESULT ( STDMETHODCALLTYPE GetTypeInfoCount )(IDispatch __RPC_FAR * This, UINT __RPC_FAR *pctinfo);
static HRESULT ( STDMETHODCALLTYPE GetTypeInfo )(IDispatch __RPC_FAR * This, UINT iTInfo, LCID lcid, ITypeInfo __RPC_FAR *__RPC_FAR *ppTInfo);
static HRESULT ( STDMETHODCALLTYPE GetIDsOfNames )(IDispatch __RPC_FAR * This, REFIID riid, LPOLESTR __RPC_FAR *rgszNames, UINT cNames, LCID lcid, DISPID __RPC_FAR *rgDispId);
static HRESULT ( STDMETHODCALLTYPE Invoke )( IDispatch __RPC_FAR * This, DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS __RPC_FAR *pDispParams, VARIANT __RPC_FAR *pVarResult, EXCEPINFO __RPC_FAR *pExcepInfo, UINT __RPC_FAR *puArgErr);
static IDispatch* val2dispatch(VALUE val);
static double rbtime2vtdate(VALUE tmobj);
static VALUE vtdate2rbtime(double date);
static rb_encoding *ole_cp2encoding(UINT cp);
static UINT ole_encoding2cp(rb_encoding *enc);
NORETURN(static void failed_load_conv51932(void));
#ifndef pIMultiLanguage
static void load_conv_function51932(void);
#endif
static UINT ole_init_cp(void);
static void ole_freeexceptinfo(EXCEPINFO *pExInfo);
static VALUE ole_excepinfo2msg(EXCEPINFO *pExInfo);
static void ole_free(void *ptr);
static size_t ole_size(const void *ptr);
static LPWSTR ole_mb2wc(char *pm, int len, UINT cp);
static VALUE ole_ary_m_entry(VALUE val, LONG *pid);
static VALUE is_all_index_under(LONG *pid, long *pub, long dim);
static void * get_ptr_of_variant(VARIANT *pvar);
static void ole_set_safe_array(long n, SAFEARRAY *psa, LONG *pid, long *pub, VALUE val, long dim, VARTYPE vt);
static long dimension(VALUE val);
static long ary_len_of_dim(VALUE ary, long dim);
static VALUE ole_set_member(VALUE self, IDispatch *dispatch);
static VALUE fole_s_allocate(VALUE klass);
static VALUE create_win32ole_object(VALUE klass, IDispatch *pDispatch, int argc, VALUE *argv);
static VALUE ary_new_dim(VALUE myary, LONG *pid, LONG *plb, LONG dim);
static void ary_store_dim(VALUE myary, LONG *pid, LONG *plb, LONG dim, VALUE val);
static void ole_const_load(ITypeLib *pTypeLib, VALUE klass, VALUE self);
static HRESULT clsid_from_remote(VALUE host, VALUE com, CLSID *pclsid);
static VALUE ole_create_dcom(VALUE self, VALUE ole, VALUE host, VALUE others);
static VALUE ole_bind_obj(VALUE moniker, int argc, VALUE *argv, VALUE self);
static VALUE fole_s_connect(int argc, VALUE *argv, VALUE self);
static VALUE fole_s_const_load(int argc, VALUE *argv, VALUE self);
static ULONG reference_count(struct oledata * pole);
static VALUE fole_s_reference_count(VALUE self, VALUE obj);
static VALUE fole_s_free(VALUE self, VALUE obj);
static HWND ole_show_help(VALUE helpfile, VALUE helpcontext);
static VALUE fole_s_show_help(int argc, VALUE *argv, VALUE self);
static VALUE fole_s_get_code_page(VALUE self);
static BOOL CALLBACK installed_code_page_proc(LPTSTR str);
static BOOL code_page_installed(UINT cp);
static VALUE fole_s_set_code_page(VALUE self, VALUE vcp);
static VALUE fole_s_get_locale(VALUE self);
static BOOL CALLBACK installed_lcid_proc(LPTSTR str);
static BOOL lcid_installed(LCID lcid);
static VALUE fole_s_set_locale(VALUE self, VALUE vlcid);
static VALUE fole_s_create_guid(VALUE self);
static VALUE fole_s_ole_initialize(VALUE self);
static VALUE fole_s_ole_uninitialize(VALUE self);
static VALUE fole_initialize(int argc, VALUE *argv, VALUE self);
static int hash2named_arg(VALUE key, VALUE val, VALUE pop);
static VALUE set_argv(VARIANTARG* realargs, unsigned int beg, unsigned int end);
static VALUE ole_invoke(int argc, VALUE *argv, VALUE self, USHORT wFlags, BOOL is_bracket);
static VALUE fole_invoke(int argc, VALUE *argv, VALUE self);
static VALUE ole_invoke2(VALUE self, VALUE dispid, VALUE args, VALUE types, USHORT dispkind);
static VALUE fole_invoke2(VALUE self, VALUE dispid, VALUE args, VALUE types);
static VALUE fole_getproperty2(VALUE self, VALUE dispid, VALUE args, VALUE types);
static VALUE fole_setproperty2(VALUE self, VALUE dispid, VALUE args, VALUE types);
static VALUE fole_setproperty_with_bracket(int argc, VALUE *argv, VALUE self);
static VALUE fole_setproperty(int argc, VALUE *argv, VALUE self);
static VALUE fole_getproperty_with_bracket(int argc, VALUE *argv, VALUE self);
static VALUE ole_propertyput(VALUE self, VALUE property, VALUE value);
static VALUE fole_free(VALUE self);
static VALUE ole_each_sub(VALUE pEnumV);
static VALUE ole_ienum_free(VALUE pEnumV);
static VALUE fole_each(VALUE self);
static VALUE fole_missing(int argc, VALUE *argv, VALUE self);
static HRESULT typeinfo_from_ole(struct oledata *pole, ITypeInfo **ppti);
static VALUE ole_methods(VALUE self, int mask);
static VALUE fole_methods(VALUE self);
static VALUE fole_get_methods(VALUE self);
static VALUE fole_put_methods(VALUE self);
static VALUE fole_func_methods(VALUE self);
static VALUE fole_type(VALUE self);
static VALUE fole_typelib(VALUE self);
static VALUE fole_query_interface(VALUE self, VALUE str_iid);
static VALUE fole_respond_to(VALUE self, VALUE method);
static VALUE ole_usertype2val(ITypeInfo *pTypeInfo, TYPEDESC *pTypeDesc, VALUE typedetails);
static VALUE ole_ptrtype2val(ITypeInfo *pTypeInfo, TYPEDESC *pTypeDesc, VALUE typedetails);
static VALUE fole_method_help(VALUE self, VALUE cmdname);
static VALUE fole_activex_initialize(VALUE self);
static void com_hash_free(void *ptr);
static void com_hash_mark(void *ptr);
static size_t com_hash_size(const void *ptr);
static void check_nano_server(void);
static const rb_data_type_t ole_datatype = {
"win32ole",
{NULL, ole_free, ole_size,},
0, 0, RUBY_TYPED_FREE_IMMEDIATELY
};
static const rb_data_type_t win32ole_hash_datatype = {
"win32ole_hash",
{com_hash_mark, com_hash_free, com_hash_size,},
0, 0, RUBY_TYPED_FREE_IMMEDIATELY
};
static HRESULT (STDMETHODCALLTYPE mf_QueryInterface)(
IMessageFilter __RPC_FAR * This,
/* [in] */ REFIID riid,
/* [iid_is][out] */ void __RPC_FAR *__RPC_FAR *ppvObject)
{
if (MEMCMP(riid, &IID_IUnknown, GUID, 1) == 0
|| MEMCMP(riid, &IID_IMessageFilter, GUID, 1) == 0)
{
*ppvObject = &message_filter;
return S_OK;
}
return E_NOINTERFACE;
}
static ULONG (STDMETHODCALLTYPE mf_AddRef)(
IMessageFilter __RPC_FAR * This)
{
return 1;
}
static ULONG (STDMETHODCALLTYPE mf_Release)(
IMessageFilter __RPC_FAR * This)
{
return 1;
}
static DWORD (STDMETHODCALLTYPE mf_HandleInComingCall)(
IMessageFilter __RPC_FAR * pThis,
DWORD dwCallType, //Type of incoming call
HTASK threadIDCaller, //Task handle calling this task
DWORD dwTickCount, //Elapsed tick count
LPINTERFACEINFO lpInterfaceInfo //Pointer to INTERFACEINFO structure
)
{
#ifdef DEBUG_MESSAGEFILTER
printf("incoming %08X, %08X, %d\n", dwCallType, threadIDCaller, dwTickCount);
fflush(stdout);
#endif
switch (dwCallType)
{
case CALLTYPE_ASYNC:
case CALLTYPE_TOPLEVEL_CALLPENDING:
case CALLTYPE_ASYNC_CALLPENDING:
if (rb_during_gc()) {
return SERVERCALL_RETRYLATER;
}
break;
default:
break;
}
if (previous_filter) {
return previous_filter->lpVtbl->HandleInComingCall(previous_filter,
dwCallType,
threadIDCaller,
dwTickCount,
lpInterfaceInfo);
}
return SERVERCALL_ISHANDLED;
}
static DWORD (STDMETHODCALLTYPE mf_RetryRejectedCall)(
IMessageFilter* pThis,
HTASK threadIDCallee, //Server task handle
DWORD dwTickCount, //Elapsed tick count
DWORD dwRejectType //Returned rejection message
)
{
if (previous_filter) {
return previous_filter->lpVtbl->RetryRejectedCall(previous_filter,
threadIDCallee,
dwTickCount,
dwRejectType);
}
return 1000;
}
static DWORD (STDMETHODCALLTYPE mf_MessagePending)(
IMessageFilter* pThis,
HTASK threadIDCallee, //Called applications task handle
DWORD dwTickCount, //Elapsed tick count
DWORD dwPendingType //Call type
)
{
if (rb_during_gc()) {
return PENDINGMSG_WAITNOPROCESS;
}
if (previous_filter) {
return previous_filter->lpVtbl->MessagePending(previous_filter,
threadIDCallee,
dwTickCount,
dwPendingType);
}
return PENDINGMSG_WAITNOPROCESS;
}
typedef struct _Win32OLEIDispatch
{
IDispatch dispatch;
ULONG refcount;
VALUE obj;
} Win32OLEIDispatch;
static HRESULT ( STDMETHODCALLTYPE QueryInterface )(
IDispatch __RPC_FAR * This,
/* [in] */ REFIID riid,
/* [iid_is][out] */ void __RPC_FAR *__RPC_FAR *ppvObject)
{
if (MEMCMP(riid, &IID_IUnknown, GUID, 1) == 0
|| MEMCMP(riid, &IID_IDispatch, GUID, 1) == 0)
{
Win32OLEIDispatch* p = (Win32OLEIDispatch*)This;
p->refcount++;
*ppvObject = This;
return S_OK;
}
return E_NOINTERFACE;
}
static ULONG ( STDMETHODCALLTYPE AddRef )(
IDispatch __RPC_FAR * This)
{
Win32OLEIDispatch* p = (Win32OLEIDispatch*)This;
return ++(p->refcount);
}
static ULONG ( STDMETHODCALLTYPE Release )(
IDispatch __RPC_FAR * This)
{
Win32OLEIDispatch* p = (Win32OLEIDispatch*)This;
ULONG u = --(p->refcount);
if (u == 0) {
st_data_t key = p->obj;
st_delete(DATA_PTR(com_hash), &key, 0);
free(p);
}
return u;
}
static HRESULT ( STDMETHODCALLTYPE GetTypeInfoCount )(
IDispatch __RPC_FAR * This,
/* [out] */ UINT __RPC_FAR *pctinfo)
{
return E_NOTIMPL;
}
static HRESULT ( STDMETHODCALLTYPE GetTypeInfo )(
IDispatch __RPC_FAR * This,
/* [in] */ UINT iTInfo,
/* [in] */ LCID lcid,
/* [out] */ ITypeInfo __RPC_FAR *__RPC_FAR *ppTInfo)
{
return E_NOTIMPL;
}
static HRESULT ( STDMETHODCALLTYPE GetIDsOfNames )(
IDispatch __RPC_FAR * This,
/* [in] */ REFIID riid,
/* [size_is][in] */ LPOLESTR __RPC_FAR *rgszNames,
/* [in] */ UINT cNames,
/* [in] */ LCID lcid,
/* [size_is][out] */ DISPID __RPC_FAR *rgDispId)
{
/*
Win32OLEIDispatch* p = (Win32OLEIDispatch*)This;
*/
char* psz = ole_wc2mb(*rgszNames); // support only one method
ID nameid = rb_check_id_cstr(psz, (long)strlen(psz), cWIN32OLE_enc);
free(psz);
if ((ID)(DISPID)nameid != nameid) return E_NOINTERFACE;
*rgDispId = (DISPID)nameid;
return S_OK;
}
static /* [local] */ HRESULT ( STDMETHODCALLTYPE Invoke )(
IDispatch __RPC_FAR * This,
/* [in] */ DISPID dispIdMember,
/* [in] */ REFIID riid,
/* [in] */ LCID lcid,
/* [in] */ WORD wFlags,
/* [out][in] */ DISPPARAMS __RPC_FAR *pDispParams,
/* [out] */ VARIANT __RPC_FAR *pVarResult,
/* [out] */ EXCEPINFO __RPC_FAR *pExcepInfo,
/* [out] */ UINT __RPC_FAR *puArgErr)
{
VALUE v;
int i;
int args = pDispParams->cArgs;
Win32OLEIDispatch* p = (Win32OLEIDispatch*)This;
VALUE* parg = ALLOCA_N(VALUE, args);
ID mid = (ID)dispIdMember;
for (i = 0; i < args; i++) {
*(parg + i) = ole_variant2val(&pDispParams->rgvarg[args - i - 1]);
}
if (dispIdMember == DISPID_VALUE) {
if (wFlags == DISPATCH_METHOD) {
mid = rb_intern("call");
} else if (wFlags & DISPATCH_PROPERTYGET) {
mid = rb_intern("value");
}
}
v = rb_funcallv(p->obj, mid, args, parg);
ole_val2variant(v, pVarResult);
return S_OK;
}
BOOL
ole_initialized(void)
{
return g_ole_initialized;
}
static IDispatch*
val2dispatch(VALUE val)
{
struct st_table *tbl = DATA_PTR(com_hash);
Win32OLEIDispatch* pdisp;
st_data_t data;
if (st_lookup(tbl, val, &data)) {
pdisp = (Win32OLEIDispatch *)(data & ~FIXNUM_FLAG);
pdisp->refcount++;
}
else {
pdisp = ALLOC(Win32OLEIDispatch);
pdisp->dispatch.lpVtbl = &com_vtbl;
pdisp->refcount = 1;
pdisp->obj = val;
st_insert(tbl, val, (VALUE)pdisp | FIXNUM_FLAG);
}
return &pdisp->dispatch;
}
static double
rbtime2vtdate(VALUE tmobj)
{
SYSTEMTIME st;
double t;
double nsec;
st.wYear = RB_FIX2INT(rb_funcall(tmobj, rb_intern("year"), 0));
st.wMonth = RB_FIX2INT(rb_funcall(tmobj, rb_intern("month"), 0));
st.wDay = RB_FIX2INT(rb_funcall(tmobj, rb_intern("mday"), 0));
st.wHour = RB_FIX2INT(rb_funcall(tmobj, rb_intern("hour"), 0));
st.wMinute = RB_FIX2INT(rb_funcall(tmobj, rb_intern("min"), 0));
st.wSecond = RB_FIX2INT(rb_funcall(tmobj, rb_intern("sec"), 0));
st.wMilliseconds = 0;
SystemTimeToVariantTime(&st, &t);
/*
* Unfortunately SystemTimeToVariantTime function always ignores the
* wMilliseconds of SYSTEMTIME struct.
* So, we need to calculate milliseconds by ourselves.
*/
nsec = RB_FIX2INT(rb_funcall(tmobj, rb_intern("nsec"), 0));
nsec /= 1000000.0;
nsec /= (24.0 * 3600.0);
nsec /= 1000;
return t + nsec;
}
static VALUE
vtdate2rbtime(double date)
{
SYSTEMTIME st;
VALUE v;
double msec;
double sec;
VariantTimeToSystemTime(date, &st);
v = rb_funcall(rb_cTime, rb_intern("new"), 6,
RB_INT2FIX(st.wYear),
RB_INT2FIX(st.wMonth),
RB_INT2FIX(st.wDay),
RB_INT2FIX(st.wHour),
RB_INT2FIX(st.wMinute),
RB_INT2FIX(st.wSecond));
st.wYear = RB_FIX2INT(rb_funcall(v, rb_intern("year"), 0));
st.wMonth = RB_FIX2INT(rb_funcall(v, rb_intern("month"), 0));
st.wDay = RB_FIX2INT(rb_funcall(v, rb_intern("mday"), 0));
st.wHour = RB_FIX2INT(rb_funcall(v, rb_intern("hour"), 0));
st.wMinute = RB_FIX2INT(rb_funcall(v, rb_intern("min"), 0));
st.wSecond = RB_FIX2INT(rb_funcall(v, rb_intern("sec"), 0));
st.wMilliseconds = 0;
SystemTimeToVariantTime(&st, &sec);
/*
* Unfortunately VariantTimeToSystemTime always ignores the
* wMilliseconds of SYSTEMTIME struct(The wMilliseconds is 0).
* So, we need to calculate milliseconds by ourselves.
*/
msec = date - sec;
msec *= 24 * 60;
msec -= floor(msec);
msec *= 60;
if (msec >= 59) {
msec -= 60;
}
if (msec != 0) {
return rb_funcall(v, rb_intern("+"), 1, rb_float_new(msec));
}
return v;
}
#define ENC_MACHING_CP(enc,encname,cp) if(strcasecmp(rb_enc_name((enc)),(encname)) == 0) return cp
static UINT ole_encoding2cp(rb_encoding *enc)
{
/*
* Is there any better solution to convert
* Ruby encoding to Windows codepage???
*/
ENC_MACHING_CP(enc, "Big5", 950);
ENC_MACHING_CP(enc, "CP51932", 51932);
ENC_MACHING_CP(enc, "CP850", 850);
ENC_MACHING_CP(enc, "CP852", 852);
ENC_MACHING_CP(enc, "CP855", 855);
ENC_MACHING_CP(enc, "CP949", 949);
ENC_MACHING_CP(enc, "EUC-JP", 20932);
ENC_MACHING_CP(enc, "EUC-KR", 51949);
ENC_MACHING_CP(enc, "EUC-TW", 51950);
ENC_MACHING_CP(enc, "GB18030", 54936);
ENC_MACHING_CP(enc, "GB2312", 20936);
ENC_MACHING_CP(enc, "GBK", 936);
ENC_MACHING_CP(enc, "IBM437", 437);
ENC_MACHING_CP(enc, "IBM720", 720);
ENC_MACHING_CP(enc, "IBM737", 737);
ENC_MACHING_CP(enc, "IBM775", 775);
ENC_MACHING_CP(enc, "IBM852", 852);
ENC_MACHING_CP(enc, "IBM855", 855);
ENC_MACHING_CP(enc, "IBM857", 857);
ENC_MACHING_CP(enc, "IBM860", 860);
ENC_MACHING_CP(enc, "IBM861", 861);
ENC_MACHING_CP(enc, "IBM862", 862);
ENC_MACHING_CP(enc, "IBM863", 863);
ENC_MACHING_CP(enc, "IBM864", 864);
ENC_MACHING_CP(enc, "IBM865", 865);
ENC_MACHING_CP(enc, "IBM866", 866);
ENC_MACHING_CP(enc, "IBM869", 869);
ENC_MACHING_CP(enc, "ISO-2022-JP", 50220);
ENC_MACHING_CP(enc, "ISO-8859-1", 28591);
ENC_MACHING_CP(enc, "ISO-8859-15", 28605);
ENC_MACHING_CP(enc, "ISO-8859-2", 28592);
ENC_MACHING_CP(enc, "ISO-8859-3", 28593);
ENC_MACHING_CP(enc, "ISO-8859-4", 28594);
ENC_MACHING_CP(enc, "ISO-8859-5", 28595);
ENC_MACHING_CP(enc, "ISO-8859-6", 28596);
ENC_MACHING_CP(enc, "ISO-8859-7", 28597);
ENC_MACHING_CP(enc, "ISO-8859-8", 28598);
ENC_MACHING_CP(enc, "ISO-8859-9", 28599);
ENC_MACHING_CP(enc, "KOI8-R", 20866);
ENC_MACHING_CP(enc, "KOI8-U", 21866);
ENC_MACHING_CP(enc, "Shift_JIS", 932);
ENC_MACHING_CP(enc, "UTF-16BE", 1201);
ENC_MACHING_CP(enc, "UTF-16LE", 1200);
ENC_MACHING_CP(enc, "UTF-7", 65000);
ENC_MACHING_CP(enc, "UTF-8", 65001);
ENC_MACHING_CP(enc, "Windows-1250", 1250);
ENC_MACHING_CP(enc, "Windows-1251", 1251);
ENC_MACHING_CP(enc, "Windows-1252", 1252);
ENC_MACHING_CP(enc, "Windows-1253", 1253);
ENC_MACHING_CP(enc, "Windows-1254", 1254);
ENC_MACHING_CP(enc, "Windows-1255", 1255);
ENC_MACHING_CP(enc, "Windows-1256", 1256);
ENC_MACHING_CP(enc, "Windows-1257", 1257);
ENC_MACHING_CP(enc, "Windows-1258", 1258);
ENC_MACHING_CP(enc, "Windows-31J", 932);
ENC_MACHING_CP(enc, "Windows-874", 874);
ENC_MACHING_CP(enc, "eucJP-ms", 20932);
return CP_ACP;
}
static void
failed_load_conv51932(void)
{
rb_raise(eWIN32OLERuntimeError, "fail to load convert function for CP51932");
}
#ifndef pIMultiLanguage
static void
load_conv_function51932(void)
{
HRESULT hr = E_NOINTERFACE;
void *p;
if (!pIMultiLanguage) {
#if defined(HAVE_TYPE_IMULTILANGUAGE2)
hr = CoCreateInstance(&CLSID_CMultiLanguage, NULL, CLSCTX_INPROC_SERVER,
&IID_IMultiLanguage2, &p);
#elif defined(HAVE_TYPE_IMULTILANGUAGE)
hr = CoCreateInstance(&CLSID_CMultiLanguage, NULL, CLSCTX_INPROC_SERVER,
&IID_IMultiLanguage, &p);
#endif
if (FAILED(hr)) {
failed_load_conv51932();
}
pIMultiLanguage = p;
}
}
#define need_conv_function51932() (load_conv_function51932(), 1)
#else
#define load_conv_function51932() failed_load_conv51932()
#define need_conv_function51932() (failed_load_conv51932(), 0)
#endif
#define conv_51932(cp) ((cp) == 51932 && need_conv_function51932())
static void
set_ole_codepage(UINT cp)
{
if (code_page_installed(cp)) {
cWIN32OLE_cp = cp;
} else {
switch(cp) {
case CP_ACP:
case CP_OEMCP:
case CP_MACCP:
case CP_THREAD_ACP:
case CP_SYMBOL:
case CP_UTF7:
case CP_UTF8:
cWIN32OLE_cp = cp;
break;
case 51932:
cWIN32OLE_cp = cp;
load_conv_function51932();
break;
default:
rb_raise(eWIN32OLERuntimeError, "codepage should be WIN32OLE::CP_ACP, WIN32OLE::CP_OEMCP, WIN32OLE::CP_MACCP, WIN32OLE::CP_THREAD_ACP, WIN32OLE::CP_SYMBOL, WIN32OLE::CP_UTF7, WIN32OLE::CP_UTF8, or installed codepage.");
break;
}
}
cWIN32OLE_enc = ole_cp2encoding(cWIN32OLE_cp);
}
static UINT
ole_init_cp(void)
{
UINT cp;
rb_encoding *encdef;
encdef = rb_default_internal_encoding();
if (!encdef) {
encdef = rb_default_external_encoding();
}
cp = ole_encoding2cp(encdef);
set_ole_codepage(cp);
return cp;
}
struct myCPINFOEX {
UINT MaxCharSize;
BYTE DefaultChar[2];
BYTE LeadByte[12];
WCHAR UnicodeDefaultChar;
UINT CodePage;
char CodePageName[MAX_PATH];
};
static rb_encoding *
ole_cp2encoding(UINT cp)
{
static BOOL (*pGetCPInfoEx)(UINT, DWORD, struct myCPINFOEX *) = NULL;
struct myCPINFOEX* buf;
VALUE enc_name;
char *enc_cstr;
int idx;
if (!code_page_installed(cp)) {
switch(cp) {
case CP_ACP:
cp = GetACP();
break;
case CP_OEMCP:
cp = GetOEMCP();
break;
case CP_MACCP:
case CP_THREAD_ACP:
if (!pGetCPInfoEx) {
pGetCPInfoEx = (BOOL (*)(UINT, DWORD, struct myCPINFOEX *))
GetProcAddress(GetModuleHandle("kernel32"), "GetCPInfoEx");
if (!pGetCPInfoEx) {
pGetCPInfoEx = (void*)-1;
}
}
buf = ALLOCA_N(struct myCPINFOEX, 1);
ZeroMemory(buf, sizeof(struct myCPINFOEX));
if (pGetCPInfoEx == (void*)-1 || !pGetCPInfoEx(cp, 0, buf)) {
rb_raise(eWIN32OLERuntimeError, "cannot map codepage to encoding.");
break; /* never reach here */
}
cp = buf->CodePage;
break;
case CP_SYMBOL:
case CP_UTF7:
case CP_UTF8:
break;
case 51932:
load_conv_function51932();
break;
default:
rb_raise(eWIN32OLERuntimeError, "codepage should be WIN32OLE::CP_ACP, WIN32OLE::CP_OEMCP, WIN32OLE::CP_MACCP, WIN32OLE::CP_THREAD_ACP, WIN32OLE::CP_SYMBOL, WIN32OLE::CP_UTF7, WIN32OLE::CP_UTF8, or installed codepage.");
break;
}
}
enc_name = rb_sprintf("CP%d", cp);
idx = rb_enc_find_index(enc_cstr = StringValueCStr(enc_name));
if (idx < 0)
idx = rb_define_dummy_encoding(enc_cstr);
return rb_enc_from_index(idx);
}
#ifndef pIMultiLanguage
static HRESULT
ole_ml_wc2mb_conv0(LPWSTR pw, LPSTR pm, UINT *size)
{
DWORD dw = 0;
return pIMultiLanguage->lpVtbl->ConvertStringFromUnicode(pIMultiLanguage,
&dw, cWIN32OLE_cp, pw, NULL, pm, size);
}
#define ole_ml_wc2mb_conv(pw, pm, size, onfailure) do { \
HRESULT hr = ole_ml_wc2mb_conv0(pw, pm, &size); \
if (FAILED(hr)) { \
onfailure; \
ole_raise(hr, eWIN32OLERuntimeError, "fail to convert Unicode to CP%d", cWIN32OLE_cp); \
} \
} while (0)
#endif
#define ole_wc2mb_conv(pw, pm, size) WideCharToMultiByte(cWIN32OLE_cp, 0, (pw), -1, (pm), (size), NULL, NULL)
static char *
ole_wc2mb_alloc(LPWSTR pw, char *(alloc)(UINT size, void *arg), void *arg)
{
LPSTR pm;
UINT size = 0;
if (conv_51932(cWIN32OLE_cp)) {
#ifndef pIMultiLanguage
ole_ml_wc2mb_conv(pw, NULL, size, {});
pm = alloc(size, arg);
if (size) ole_ml_wc2mb_conv(pw, pm, size, xfree(pm));
pm[size] = '\0';
return pm;
#endif
}
size = ole_wc2mb_conv(pw, NULL, 0);
pm = alloc(size, arg);
if (size) ole_wc2mb_conv(pw, pm, size);
pm[size] = '\0';
return pm;
}
static char *
ole_alloc_str(UINT size, void *arg)
{
return ALLOC_N(char, size + 1);
}
char *
ole_wc2mb(LPWSTR pw)
{
return ole_wc2mb_alloc(pw, ole_alloc_str, NULL);
}
static void
ole_freeexceptinfo(EXCEPINFO *pExInfo)
{
SysFreeString(pExInfo->bstrDescription);
SysFreeString(pExInfo->bstrSource);
SysFreeString(pExInfo->bstrHelpFile);
}
static VALUE
ole_excepinfo2msg(EXCEPINFO *pExInfo)
{
char error_code[40];
char *pSource = NULL;
char *pDescription = NULL;
VALUE error_msg;
if(pExInfo->pfnDeferredFillIn != NULL) {
(*pExInfo->pfnDeferredFillIn)(pExInfo);
}
if (pExInfo->bstrSource != NULL) {
pSource = ole_wc2mb(pExInfo->bstrSource);
}
if (pExInfo->bstrDescription != NULL) {
pDescription = ole_wc2mb(pExInfo->bstrDescription);
}
if(pExInfo->wCode == 0) {
sprintf(error_code, "\n OLE error code:%lX in ", (unsigned long)pExInfo->scode);
}
else{
sprintf(error_code, "\n OLE error code:%u in ", pExInfo->wCode);
}
error_msg = rb_str_new2(error_code);
if(pSource != NULL) {
rb_str_cat2(error_msg, pSource);
}
else {
rb_str_cat(error_msg, "<Unknown>", 9);
}
rb_str_cat2(error_msg, "\n ");
if(pDescription != NULL) {
rb_str_cat2(error_msg, pDescription);
}
else {
rb_str_cat2(error_msg, "<No Description>");
}
if(pSource) free(pSource);
if(pDescription) free(pDescription);
ole_freeexceptinfo(pExInfo);
return error_msg;
}
void
ole_uninitialize(void)
{
if (!g_ole_initialized) return;
OleUninitialize();
g_ole_initialized_set(FALSE);
}
static void
ole_uninitialize_hook(rb_event_flag_t evflag, VALUE data, VALUE self, ID mid, VALUE klass)
{
ole_uninitialize();
}
void
ole_initialize(void)
{
HRESULT hr;
if(!g_uninitialize_hooked) {
rb_add_event_hook(ole_uninitialize_hook, RUBY_EVENT_THREAD_END, Qnil);
g_uninitialize_hooked = TRUE;
}
if(g_ole_initialized == FALSE) {
if(g_running_nano) {
hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
} else {
hr = OleInitialize(NULL);
}
if(FAILED(hr)) {
ole_raise(hr, rb_eRuntimeError, "fail: OLE initialize");
}
g_ole_initialized_set(TRUE);
if (g_running_nano == FALSE) {
hr = CoRegisterMessageFilter(&imessage_filter, &previous_filter);
if(FAILED(hr)) {
previous_filter = NULL;
ole_raise(hr, rb_eRuntimeError, "fail: install OLE MessageFilter");
}
}
}
}
static void
ole_free(void *ptr)
{
struct oledata *pole = ptr;
OLE_FREE(pole->pDispatch);
free(pole);
}
static size_t ole_size(const void *ptr)
{
return ptr ? sizeof(struct oledata) : 0;
}
struct oledata *
oledata_get_struct(VALUE ole)
{
struct oledata *pole;
TypedData_Get_Struct(ole, struct oledata, &ole_datatype, pole);
return pole;
}
LPWSTR
ole_vstr2wc(VALUE vstr)
{
rb_encoding *enc;
int cp;
LPWSTR pw;
st_data_t data;
struct st_table *tbl = DATA_PTR(enc2cp_hash);
/* do not type-conversion here to prevent from other arguments
* changing (if exist) */
Check_Type(vstr, T_STRING);
if (RSTRING_LEN(vstr) == 0) {
return NULL;
}
enc = rb_enc_get(vstr);
if (st_lookup(tbl, (VALUE)enc | FIXNUM_FLAG, &data)) {
cp = RB_FIX2INT((VALUE)data);
} else {
cp = ole_encoding2cp(enc);
if (code_page_installed(cp) ||
cp == CP_ACP ||
cp == CP_OEMCP ||
cp == CP_MACCP ||
cp == CP_THREAD_ACP ||
cp == CP_SYMBOL ||
cp == CP_UTF7 ||
cp == CP_UTF8 ||
cp == 51932) {
st_insert(tbl, (VALUE)enc | FIXNUM_FLAG, RB_INT2FIX(cp));
} else {
rb_raise(eWIN32OLERuntimeError, "not installed Windows codepage(%d) according to `%s'", cp, rb_enc_name(enc));
}
}
pw = ole_mb2wc(RSTRING_PTR(vstr), RSTRING_LENINT(vstr), cp);
RB_GC_GUARD(vstr);
return pw;
}
static LPWSTR
ole_mb2wc(char *pm, int len, UINT cp)
{
UINT size = 0;
LPWSTR pw;
if (conv_51932(cp)) {
#ifndef pIMultiLanguage
DWORD dw = 0;
UINT n = len;
HRESULT hr = pIMultiLanguage->lpVtbl->ConvertStringToUnicode(pIMultiLanguage,
&dw, cp, pm, &n, NULL, &size);
if (FAILED(hr)) {
ole_raise(hr, eWIN32OLERuntimeError, "fail to convert CP%d to Unicode", cp);
}
pw = SysAllocStringLen(NULL, size);
n = len;
hr = pIMultiLanguage->lpVtbl->ConvertStringToUnicode(pIMultiLanguage,
&dw, cp, pm, &n, pw, &size);
if (FAILED(hr)) {
ole_raise(hr, eWIN32OLERuntimeError, "fail to convert CP%d to Unicode", cp);
}
return pw;
#endif
}
size = MultiByteToWideChar(cp, 0, pm, len, NULL, 0);
pw = SysAllocStringLen(NULL, size);
pw[size-1] = 0;
MultiByteToWideChar(cp, 0, pm, len, pw, size);
return pw;
}
static char *
ole_alloc_vstr(UINT size, void *arg)
{
VALUE str = rb_enc_str_new(NULL, size, cWIN32OLE_enc);
*(VALUE *)arg = str;
return RSTRING_PTR(str);
}
VALUE
ole_wc2vstr(LPWSTR pw, BOOL isfree)
{
VALUE vstr;
ole_wc2mb_alloc(pw, ole_alloc_vstr, &vstr);
rb_str_set_len(vstr, (long)strlen(RSTRING_PTR(vstr)));
if(isfree)
SysFreeString(pw);
return vstr;
}
static VALUE
ole_ary_m_entry(VALUE val, LONG *pid)
{
VALUE obj = Qnil;
int i = 0;
obj = val;
while(RB_TYPE_P(obj, T_ARRAY)) {
obj = rb_ary_entry(obj, pid[i]);
i++;
}
return obj;
}
static VALUE
is_all_index_under(LONG *pid, long *pub, long dim)
{
long i = 0;
for (i = 0; i < dim; i++) {
if (pid[i] > pub[i]) {
return Qfalse;
}
}
return Qtrue;
}
void
ole_val2variant_ex(VALUE val, VARIANT *var, VARTYPE vt)
{
if (val == Qnil) {
if (vt == VT_VARIANT) {
ole_val2variant2(val, var);
} else {
V_VT(var) = (vt & ~VT_BYREF);
if (V_VT(var) == VT_DISPATCH) {
V_DISPATCH(var) = NULL;
} else if (V_VT(var) == VT_UNKNOWN) {
V_UNKNOWN(var) = NULL;
}
}
return;
}
#if (defined(_MSC_VER) && (_MSC_VER >= 1300)) || defined(__CYGWIN__) || defined(__MINGW32__)
switch(vt & ~VT_BYREF) {
case VT_I8: