xref: /PHP-8.0/ext/com_dotnet/com_typeinfo.c (revision 7424bfc7)
1 /*
2    +----------------------------------------------------------------------+
3    | Copyright (c) The PHP Group                                          |
4    +----------------------------------------------------------------------+
5    | This source file is subject to version 3.01 of the PHP license,      |
6    | that is bundled with this package in the file LICENSE, and is        |
7    | available through the world-wide-web at the following url:           |
8    | http://www.php.net/license/3_01.txt                                  |
9    | If you did not receive a copy of the PHP license and are unable to   |
10    | obtain it through the world-wide-web, please send a note to          |
11    | license@php.net so we can mail you a copy immediately.               |
12    +----------------------------------------------------------------------+
13    | Author: Wez Furlong <wez@thebrainroom.com>                           |
14    |         Harald Radi <h.radi@nme.at>                                  |
15    +----------------------------------------------------------------------+
16  */
17 
18 #ifdef HAVE_CONFIG_H
19 #include "config.h"
20 #endif
21 
22 #include "php.h"
23 #include "php_ini.h"
24 #include "ext/standard/info.h"
25 #include "php_com_dotnet.h"
26 #include "php_com_dotnet_internal.h"
27 
28 static HashTable php_com_typelibraries;
29 
30 #ifdef ZTS
31 static MUTEX_T php_com_typelibraries_mutex;
32 #endif
33 
PHP_MINIT_FUNCTION(com_typeinfo)34 PHP_MINIT_FUNCTION(com_typeinfo)
35 {
36 	zend_hash_init(&php_com_typelibraries, 0, NULL, php_com_typelibrary_dtor, 1);
37 
38 #ifdef ZTS
39 	php_com_typelibraries_mutex = tsrm_mutex_alloc();
40 #endif
41 
42 	return SUCCESS;
43 }
44 
PHP_MSHUTDOWN_FUNCTION(com_typeinfo)45 PHP_MSHUTDOWN_FUNCTION(com_typeinfo)
46 {
47 	zend_hash_destroy(&php_com_typelibraries);
48 
49 #ifdef ZTS
50 	tsrm_mutex_free(php_com_typelibraries_mutex);
51 #endif
52 
53 	return SUCCESS;
54 }
55 
56 /* The search string can be either:
57  * a) a file name
58  * b) a CLSID, major, minor e.g. "{00000200-0000-0010-8000-00AA006D2EA4},2,0"
59  * c) a Type Library name e.g. "Microsoft OLE DB ActiveX Data Objects 1.0 Library"
60  */
php_com_load_typelib(char * search_string,int codepage)61 PHP_COM_DOTNET_API ITypeLib *php_com_load_typelib(char *search_string, int codepage)
62 {
63 	ITypeLib *TL = NULL;
64 	char *strtok_buf, *major, *minor;
65 	CLSID clsid;
66 	OLECHAR *p;
67 	HRESULT hr;
68 
69 	search_string = php_strtok_r(search_string, ",", &strtok_buf);
70 
71 	if (search_string == NULL) {
72 		return NULL;
73 	}
74 
75 	major = php_strtok_r(NULL, ",", &strtok_buf);
76 	minor = php_strtok_r(NULL, ",", &strtok_buf);
77 
78 	p = php_com_string_to_olestring(search_string, strlen(search_string), codepage);
79 
80 	if (SUCCEEDED(CLSIDFromString(p, &clsid))) {
81 		WORD major_i = 1, minor_i = 0;
82 
83 		/* pick up the major/minor numbers; if none specified, default to 1,0 */
84 		if (major && minor) {
85 			major_i = (WORD)atoi(major);
86 			minor_i = (WORD)atoi(minor);
87 		}
88 
89 		/* Load the TypeLib by GUID */
90 		hr = LoadRegTypeLib((REFGUID)&clsid, major_i, minor_i, LANG_NEUTRAL, &TL);
91 
92 		/* if that failed, assumed that the GUID is actually a CLSID and
93 		 * attempt to get the library via an instance of that class */
94 		if (FAILED(hr) && (major == NULL || minor == NULL)) {
95 			IDispatch *disp = NULL;
96 			ITypeInfo *info = NULL;
97 			UINT idx;
98 
99 			if (SUCCEEDED(hr = CoCreateInstance(&clsid, NULL, CLSCTX_SERVER, &IID_IDispatch, (LPVOID*)&disp)) &&
100 					SUCCEEDED(hr = IDispatch_GetTypeInfo(disp, 0, LANG_NEUTRAL, &info))) {
101 				hr = ITypeInfo_GetContainingTypeLib(info, &TL, &idx);
102 			}
103 
104 			if (info) {
105 				ITypeInfo_Release(info);
106 			}
107 			if (disp) {
108 				IDispatch_Release(disp);
109 			}
110 		}
111 	} else {
112 		/* Try to load it from a file; if it fails, do a really painful search of
113 		 * the registry */
114 		if (FAILED(LoadTypeLib(p, &TL))) {
115 			HKEY hkey, hsubkey;
116 			DWORD SubKeys, MaxSubKeyLength;
117 			char *keyname;
118 			unsigned int i, j;
119 			DWORD VersionCount;
120 			char version[20];
121 			char *libname;
122 			long libnamelen;
123 
124 			if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_CLASSES_ROOT, "TypeLib", 0, KEY_READ, &hkey) &&
125 					ERROR_SUCCESS == RegQueryInfoKey(hkey, NULL, NULL, NULL, &SubKeys,
126 					&MaxSubKeyLength, NULL, NULL, NULL, NULL, NULL, NULL)) {
127 
128 				MaxSubKeyLength++; /* make room for NUL */
129 				keyname = emalloc(MaxSubKeyLength);
130 				libname = emalloc(strlen(search_string) + 1);
131 
132 				for (i = 0; i < SubKeys && TL == NULL; i++) {
133 					if (ERROR_SUCCESS == RegEnumKey(hkey, i, keyname, MaxSubKeyLength) &&
134 							ERROR_SUCCESS == RegOpenKeyEx(hkey, keyname, 0, KEY_READ, &hsubkey)) {
135 						if (ERROR_SUCCESS == RegQueryInfoKey(hsubkey, NULL, NULL, NULL, &VersionCount,
136 								NULL, NULL, NULL, NULL, NULL, NULL, NULL)) {
137 							for (j = 0; j < VersionCount; j++) {
138 								if (ERROR_SUCCESS != RegEnumKey(hsubkey, j, version, sizeof(version))) {
139 									continue;
140 								}
141 								/* get the default value for this key and compare */
142 								libnamelen = (long)strlen(search_string)+1;
143 								if (ERROR_SUCCESS == RegQueryValue(hsubkey, version, libname, &libnamelen)) {
144 									if (0 == stricmp(libname, search_string)) {
145 										char *str = NULL;
146 										int major_tmp, minor_tmp;
147 
148 										/* fetch the GUID and add the version numbers */
149 										if (2 != sscanf(version, "%d.%d", &major_tmp, &minor_tmp)) {
150 											major_tmp = 1;
151 											minor_tmp = 0;
152 										}
153 										spprintf(&str, 0, "%s,%d,%d", keyname, major_tmp, minor_tmp);
154 										/* recurse */
155 										TL = php_com_load_typelib(str, codepage);
156 
157 										efree(str);
158 										break;
159 									}
160 								}
161 							}
162 						}
163 						RegCloseKey(hsubkey);
164 					}
165 				}
166 				RegCloseKey(hkey);
167 				efree(keyname);
168 				efree(libname);
169 			}
170 		}
171 	}
172 
173 	efree(p);
174 
175 	return TL;
176 }
177 
178 /* Given a type-library, merge it into the current engine state */
php_com_import_typelib(ITypeLib * TL,int mode,int codepage)179 PHP_COM_DOTNET_API int php_com_import_typelib(ITypeLib *TL, int mode, int codepage)
180 {
181 	int i, j, interfaces;
182 	TYPEKIND pTKind;
183 	ITypeInfo *TypeInfo;
184 	VARDESC *pVarDesc;
185 	UINT NameCount;
186 	BSTR bstr_ids;
187 	zend_constant c;
188 	zval *exists, results, value;
189 	char *const_name;
190 	size_t len;
191 
192 	if (TL == NULL) {
193 		return FAILURE;
194 	}
195 
196 	interfaces = ITypeLib_GetTypeInfoCount(TL);
197 	for (i = 0; i < interfaces; i++) {
198 		ITypeLib_GetTypeInfoType(TL, i, &pTKind);
199 		if (pTKind == TKIND_ENUM) {
200 			ITypeLib_GetTypeInfo(TL, i, &TypeInfo);
201 			for (j = 0; ; j++) {
202 				if (FAILED(ITypeInfo_GetVarDesc(TypeInfo, j, &pVarDesc))) {
203 					break;
204 				}
205 				ITypeInfo_GetNames(TypeInfo, pVarDesc->memid, &bstr_ids, 1, &NameCount);
206 				if (NameCount != 1) {
207 					ITypeInfo_ReleaseVarDesc(TypeInfo, pVarDesc);
208 					continue;
209 				}
210 
211 				const_name = php_com_olestring_to_string(bstr_ids, &len, codepage);
212 				SysFreeString(bstr_ids);
213 
214 				/* sanity check for the case where the constant is already defined */
215 				php_com_zval_from_variant(&value, pVarDesc->lpvarValue, codepage);
216 				if ((exists = zend_get_constant_str(const_name, len)) != NULL) {
217 					if (COMG(autoreg_verbose) && !compare_function(&results, &value, exists)) {
218 						php_error_docref(NULL, E_WARNING, "Type library constant %s is already defined", const_name);
219 					}
220 					efree(const_name);
221 					ITypeInfo_ReleaseVarDesc(TypeInfo, pVarDesc);
222 					continue;
223 				}
224 
225 				/* register the constant */
226 				if (Z_TYPE(value) == IS_LONG) {
227 					ZEND_CONSTANT_SET_FLAGS(&c, mode, 0);
228 					ZVAL_LONG(&c.value, Z_LVAL(value));
229 					c.name = zend_string_init(const_name, len, mode & CONST_PERSISTENT);
230 					efree(const_name);
231 					zend_register_constant(&c);
232 				}
233 				ITypeInfo_ReleaseVarDesc(TypeInfo, pVarDesc);
234 			}
235 			ITypeInfo_Release(TypeInfo);
236 		}
237 	}
238 	return SUCCESS;
239 }
240 
241 /* Type-library stuff */
php_com_typelibrary_dtor(zval * pDest)242 void php_com_typelibrary_dtor(zval *pDest)
243 {
244 	ITypeLib *Lib = (ITypeLib*)Z_PTR_P(pDest);
245 	ITypeLib_Release(Lib);
246 }
247 
php_com_cache_typelib(ITypeLib * TL,char * cache_key,zend_long cache_key_len)248 ITypeLib *php_com_cache_typelib(ITypeLib* TL, char *cache_key, zend_long cache_key_len) {
249 	ITypeLib* result;
250 #ifdef ZTS
251 	tsrm_mutex_lock(php_com_typelibraries_mutex);
252 #endif
253 
254 	result = zend_hash_str_add_ptr(&php_com_typelibraries, cache_key, cache_key_len, TL);
255 
256 #ifdef ZTS
257 	tsrm_mutex_unlock(php_com_typelibraries_mutex);
258 #endif
259 
260 	return result;
261 }
262 
php_com_load_typelib_via_cache(const char * search_string,int codepage)263 PHP_COM_DOTNET_API ITypeLib *php_com_load_typelib_via_cache(const char *search_string, int codepage)
264 {
265 	ITypeLib *TL;
266 	char *name_dup;
267 	zend_string *key = zend_string_init(search_string, strlen(search_string), 1);
268 
269 #ifdef ZTS
270 	tsrm_mutex_lock(php_com_typelibraries_mutex);
271 #endif
272 
273 	if ((TL = zend_hash_find_ptr(&php_com_typelibraries, key)) != NULL) {
274 		/* add a reference for the caller */
275 		ITypeLib_AddRef(TL);
276 
277 		goto php_com_load_typelib_via_cache_return;
278 	}
279 
280 	name_dup = estrndup(ZSTR_VAL(key), ZSTR_LEN(key));
281 	TL = php_com_load_typelib(name_dup, codepage);
282 	efree(name_dup);
283 
284 	if (TL) {
285 		if (NULL != zend_hash_add_ptr(&php_com_typelibraries, key, TL)) {
286 			/* add a reference for the hash table */
287 			ITypeLib_AddRef(TL);
288 		}
289 	}
290 
291 php_com_load_typelib_via_cache_return:
292 #ifdef ZTS
293 	tsrm_mutex_unlock(php_com_typelibraries_mutex);
294 #endif
295 	zend_string_release(key);
296 
297 	return TL;
298 }
299 
php_com_locate_typeinfo(char * typelibname,php_com_dotnet_object * obj,char * dispname,int sink)300 ITypeInfo *php_com_locate_typeinfo(char *typelibname, php_com_dotnet_object *obj, char *dispname, int sink)
301 {
302 	ITypeInfo *typeinfo = NULL;
303 	ITypeLib *typelib = NULL;
304 	int gotguid = 0;
305 	GUID iid;
306 
307 	if (obj) {
308 		if (dispname == NULL && sink) {
309 			if (V_VT(&obj->v) == VT_DISPATCH) {
310 				IProvideClassInfo2 *pci2;
311 				IProvideClassInfo *pci;
312 
313 				if (SUCCEEDED(IDispatch_QueryInterface(V_DISPATCH(&obj->v), &IID_IProvideClassInfo2, (void**)&pci2))) {
314 					gotguid = SUCCEEDED(IProvideClassInfo2_GetGUID(pci2, GUIDKIND_DEFAULT_SOURCE_DISP_IID, &iid));
315 					IProvideClassInfo2_Release(pci2);
316 				}
317 				if (!gotguid && SUCCEEDED(IDispatch_QueryInterface(V_DISPATCH(&obj->v), &IID_IProvideClassInfo, (void**)&pci))) {
318 					/* examine the available interfaces */
319 					/* TODO: write some code here */
320 					php_error_docref(NULL, E_WARNING, "IProvideClassInfo: this code not yet written!");
321 					IProvideClassInfo_Release(pci);
322 				}
323 			}
324 		} else if (dispname == NULL) {
325 			if (obj->typeinfo) {
326 				ITypeInfo_AddRef(obj->typeinfo);
327 				return obj->typeinfo;
328 			} else {
329 				IDispatch_GetTypeInfo(V_DISPATCH(&obj->v), 0, LANG_NEUTRAL, &typeinfo);
330 				if (typeinfo) {
331 					return typeinfo;
332 				}
333 			}
334 		} else if (dispname && obj->typeinfo) {
335 			unsigned int idx;
336 			/* get the library from the object; the rest will be dealt with later */
337 			ITypeInfo_GetContainingTypeLib(obj->typeinfo, &typelib, &idx);
338 		} else if (typelibname == NULL) {
339 			if (V_VT(&obj->v) == VT_DISPATCH) {
340 				IDispatch_GetTypeInfo(V_DISPATCH(&obj->v), 0, LANG_NEUTRAL, &typeinfo);
341 				if (dispname) {
342 					unsigned int idx;
343 					/* get the library from the object; the rest will be dealt with later */
344 					ITypeInfo_GetContainingTypeLib(typeinfo, &typelib, &idx);
345 
346 					if (typelib) {
347 						ITypeInfo_Release(typeinfo);
348 						typeinfo = NULL;
349 					}
350 				}
351 			}
352 		}
353 	} else if (typelibname) {
354 		/* Fetch the typelibrary and use that to look things up */
355 		typelib = php_com_load_typelib(typelibname, CP_THREAD_ACP);
356 	}
357 
358 	if (!gotguid && dispname && typelib) {
359 		unsigned short cfound;
360 		MEMBERID memid;
361 		OLECHAR *olename = php_com_string_to_olestring(dispname, strlen(dispname), CP_ACP);
362 
363 		cfound = 1;
364 		if (FAILED(ITypeLib_FindName(typelib, olename, 0, &typeinfo, &memid, &cfound)) || cfound == 0) {
365 			CLSID coclass;
366 			ITypeInfo *coinfo;
367 
368 			/* assume that it might be a progid instead */
369 			if (SUCCEEDED(CLSIDFromProgID(olename, &coclass)) &&
370 					SUCCEEDED(ITypeLib_GetTypeInfoOfGuid(typelib, &coclass, &coinfo))) {
371 
372 				/* enumerate implemented interfaces and pick the one as indicated by sink */
373 				TYPEATTR *attr;
374 				int i;
375 
376 				ITypeInfo_GetTypeAttr(coinfo, &attr);
377 
378 				for (i = 0; i < attr->cImplTypes; i++) {
379 					HREFTYPE rt;
380 					int tf;
381 
382 					if (FAILED(ITypeInfo_GetImplTypeFlags(coinfo, i, &tf))) {
383 						continue;
384 					}
385 
386 					if ((sink && tf == (IMPLTYPEFLAG_FSOURCE|IMPLTYPEFLAG_FDEFAULT)) ||
387 						(!sink && (tf & IMPLTYPEFLAG_FSOURCE) == 0)) {
388 
389 						/* flags match what we are looking for */
390 
391 						if (SUCCEEDED(ITypeInfo_GetRefTypeOfImplType(coinfo, i, &rt)))
392 							if (SUCCEEDED(ITypeInfo_GetRefTypeInfo(coinfo, rt, &typeinfo)))
393 								break;
394 
395 					}
396 				}
397 
398 				ITypeInfo_ReleaseTypeAttr(coinfo, attr);
399 				ITypeInfo_Release(coinfo);
400 			}
401 		}
402 
403 
404 		efree(olename);
405 	} else if (gotguid) {
406 		ITypeLib_GetTypeInfoOfGuid(typelib, &iid, &typeinfo);
407 	}
408 
409 	if (typelib) {
410 		ITypeLib_Release(typelib);
411 	}
412 
413 	return typeinfo;
414 }
415 
416 static const struct {
417 	VARTYPE vt;
418 	const char *name;
419 } vt_names[] = {
420 	{ VT_NULL,		"VT_NULL" },
421 	{ VT_EMPTY,		"VT_EMPTY" },
422 	{ VT_UI1,		"VT_UI1" },
423 	{ VT_I2,		"VT_I2" },
424 	{ VT_I4,		"VT_I4" },
425 	{ VT_R4,		"VT_R4" },
426 	{ VT_R8,		"VT_R8" },
427 	{ VT_BOOL,		"VT_BOOL" },
428 	{ VT_ERROR,		"VT_ERROR" },
429 	{ VT_CY,		"VT_CY" },
430 	{ VT_DATE,		"VT_DATE" },
431 	{ VT_BSTR,		"VT_BSTR" },
432 	{ VT_DECIMAL,	"VT_DECIMAL" },
433 	{ VT_UNKNOWN,	"VT_UNKNOWN" },
434 	{ VT_DISPATCH,	"VT_DISPATCH" },
435 	{ VT_VARIANT,	"VT_VARIANT" },
436 	{ VT_I1,		"VT_I1" },
437 	{ VT_UI2,		"VT_UI2" },
438 	{ VT_UI4,		"VT_UI4" },
439 	{ VT_INT,		"VT_INT" },
440 	{ VT_UINT,		"VT_UINT" },
441 	{ VT_ARRAY,		"VT_ARRAY" },
442 	{ VT_BYREF,		"VT_BYREF" },
443 	{ VT_VOID,		"VT_VOID" },
444 	{ VT_PTR,		"VT_PTR" },
445 	{ VT_HRESULT,	"VT_HRESULT" },
446 	{ VT_SAFEARRAY, "VT_SAFEARRAY" },
447 	{ 0, NULL }
448 };
449 
vt_to_string(VARTYPE vt)450 static inline const char *vt_to_string(VARTYPE vt)
451 {
452 	int i;
453 	for (i = 0; vt_names[i].name != NULL; i++) {
454 		if (vt_names[i].vt == vt)
455 			return vt_names[i].name;
456 	}
457 	return "?";
458 }
459 
php_com_string_from_clsid(const CLSID * clsid,int codepage)460 static char *php_com_string_from_clsid(const CLSID *clsid, int codepage)
461 {
462 	LPOLESTR ole_clsid;
463 	char *clsid_str;
464 
465 	StringFromCLSID(clsid, &ole_clsid);
466 	clsid_str = php_com_olestring_to_string(ole_clsid, NULL, codepage);
467 	LocalFree(ole_clsid);
468 
469 	return clsid_str;
470 }
471 
472 
php_com_process_typeinfo(ITypeInfo * typeinfo,HashTable * id_to_name,int printdef,GUID * guid,int codepage)473 int php_com_process_typeinfo(ITypeInfo *typeinfo, HashTable *id_to_name, int printdef, GUID *guid, int codepage)
474 {
475 	TYPEATTR *attr;
476 	FUNCDESC *func;
477 	int i;
478 	OLECHAR *olename;
479 	char *ansiname = NULL;
480 	size_t ansinamelen;
481 	int ret = 0;
482 	DISPID lastid = 0;	/* for props */
483 
484 	if (FAILED(ITypeInfo_GetTypeAttr(typeinfo, &attr))) {
485 		return 0;
486 	}
487 
488 	/* verify that it is suitable */
489 	if (id_to_name == NULL || attr->typekind == TKIND_DISPATCH) {
490 
491 		if (guid) {
492 			memcpy(guid, &attr->guid, sizeof(GUID));
493 		}
494 
495 		if (printdef) {
496 			char *guidstring;
497 
498 			ITypeInfo_GetDocumentation(typeinfo, MEMBERID_NIL, &olename, NULL, NULL, NULL);
499 			ansiname = php_com_olestring_to_string(olename, &ansinamelen, codepage);
500 			SysFreeString(olename);
501 
502 			guidstring = php_com_string_from_clsid(&attr->guid, codepage);
503 			php_printf("class %s { /* GUID=%s */\n", ansiname, guidstring);
504 			efree(guidstring);
505 
506 			efree(ansiname);
507 		}
508 
509 		if (id_to_name) {
510 			zend_hash_init(id_to_name, 0, NULL, ZVAL_PTR_DTOR, 0);
511 		}
512 
513 		/* So we've got the dispatch interface; lets list the event methods */
514 		for (i = 0; i < attr->cFuncs; i++) {
515 			zval tmp;
516 			int isprop;
517 
518 			if (FAILED(ITypeInfo_GetFuncDesc(typeinfo, i, &func)))
519 				break;
520 
521 			isprop = (func->invkind & DISPATCH_PROPERTYGET || func->invkind & DISPATCH_PROPERTYPUT);
522 
523 			if (!isprop || lastid != func->memid) {
524 
525 				lastid = func->memid;
526 
527 				ITypeInfo_GetDocumentation(typeinfo, func->memid, &olename, NULL, NULL, NULL);
528 				ansiname = php_com_olestring_to_string(olename, &ansinamelen, codepage);
529 				SysFreeString(olename);
530 
531 				if (printdef) {
532 					int j;
533 					char *funcdesc;
534 					size_t funcdesclen;
535 					unsigned int cnames = 0;
536 					BSTR *names;
537 
538 					names = (BSTR*)safe_emalloc((func->cParams + 1), sizeof(BSTR), 0);
539 
540 					ITypeInfo_GetNames(typeinfo, func->memid, names, func->cParams + 1, &cnames);
541 					/* first element is the function name */
542 					SysFreeString(names[0]);
543 
544 					php_printf("\t/* DISPID=%d */\n", func->memid);
545 
546 					if (func->elemdescFunc.tdesc.vt != VT_VOID) {
547 						php_printf("\t/* %s [%d] */\n",
548 								vt_to_string(func->elemdescFunc.tdesc.vt),
549 								func->elemdescFunc.tdesc.vt
550 								);
551 					}
552 
553 					if (isprop) {
554 
555 						ITypeInfo_GetDocumentation(typeinfo, func->memid, NULL, &olename, NULL, NULL);
556 						if (olename) {
557 							funcdesc = php_com_olestring_to_string(olename, &funcdesclen, codepage);
558 							SysFreeString(olename);
559 							php_printf("\t/* %s */\n", funcdesc);
560 							efree(funcdesc);
561 						}
562 
563 						php_printf("\tvar $%s;\n\n", ansiname);
564 
565 					} else {
566 						/* a function */
567 
568 						php_printf("\tfunction %s(\n", ansiname);
569 
570 						for (j = 0; j < func->cParams; j++) {
571 							ELEMDESC *elem = &func->lprgelemdescParam[j];
572 
573 							php_printf("\t\t/* %s [%d] ", vt_to_string(elem->tdesc.vt), elem->tdesc.vt);
574 
575 							if (elem->paramdesc.wParamFlags & PARAMFLAG_FIN)
576 								php_printf("[in]");
577 							if (elem->paramdesc.wParamFlags & PARAMFLAG_FOUT)
578 								php_printf("[out]");
579 
580 							if (elem->tdesc.vt == VT_PTR) {
581 								/* what does it point to ? */
582 								php_printf(" --> %s [%d] ",
583 										vt_to_string(elem->tdesc.lptdesc->vt),
584 										elem->tdesc.lptdesc->vt
585 										);
586 							}
587 
588 							/* when we handle prop put and get, this will look nicer */
589 							if (j+1 < (int)cnames) {
590 								funcdesc = php_com_olestring_to_string(names[j+1], &funcdesclen, codepage);
591 								SysFreeString(names[j+1]);
592 							} else {
593 								funcdesc = "???";
594 							}
595 
596 							php_printf(" */ %s%s%c\n",
597 									elem->tdesc.vt == VT_PTR ? "&$" : "$",
598 									funcdesc,
599 									j == func->cParams - 1 ? ' ' : ','
600 									);
601 
602 							if (j+1 < (int)cnames) {
603 								efree(funcdesc);
604 							}
605 						}
606 
607 						php_printf("\t\t)\n\t{\n");
608 
609 						ITypeInfo_GetDocumentation(typeinfo, func->memid, NULL, &olename, NULL, NULL);
610 						if (olename) {
611 							funcdesc = php_com_olestring_to_string(olename, &funcdesclen, codepage);
612 							SysFreeString(olename);
613 							php_printf("\t\t/* %s */\n", funcdesc);
614 							efree(funcdesc);
615 						}
616 
617 						php_printf("\t}\n");
618 					}
619 
620 					efree(names);
621 				}
622 
623 				if (id_to_name) {
624 					zend_str_tolower(ansiname, ansinamelen);
625 					ZVAL_STRINGL(&tmp, ansiname, ansinamelen);
626 					zend_hash_index_update(id_to_name, func->memid, &tmp);
627 					// TODO: avoid reallocation???
628 				}
629 				efree(ansiname);
630 			}
631 			ITypeInfo_ReleaseFuncDesc(typeinfo, func);
632 		}
633 
634 		if (printdef) {
635 			php_printf("}\n");
636 		}
637 
638 		ret = 1;
639 	} else {
640 		zend_throw_error(NULL, "Type kind must be dispatchable, %08x given", attr->typekind);
641 	}
642 
643 	ITypeInfo_ReleaseTypeAttr(typeinfo, attr);
644 
645 	return ret;
646 }
647