mirror of
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7b6ed8db2f
Some places have to be yet touched as they use different/custom macros namings for the same. Also some places in the code became redundant now, this is the next task. To name some: ext/mysqlnd, sapi/embed, ext/curl and some smaller places here and there.
650 lines
16 KiB
C
650 lines
16 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 7 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2014 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Wez Furlong <wez@thebrainroom.com> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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/* This module exports a PHP object as a COM object by wrapping it
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* using IDispatchEx */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "php.h"
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#include "php_ini.h"
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#include "ext/standard/info.h"
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#include "php_com_dotnet.h"
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#include "php_com_dotnet_internal.h"
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typedef struct {
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/* This first part MUST match the declaration
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* of interface IDispatchEx */
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CONST_VTBL struct IDispatchExVtbl *lpVtbl;
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/* now the PHP stuff */
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DWORD engine_thread; /* for sanity checking */
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zval object; /* the object exported */
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LONG refcount; /* COM reference count */
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HashTable *dispid_to_name; /* keep track of dispid -> name mappings */
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HashTable *name_to_dispid; /* keep track of name -> dispid mappings */
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GUID sinkid; /* iid that we "implement" for event sinking */
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zend_resource *res;
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} php_dispatchex;
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static int le_dispatch;
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static void disp_destructor(php_dispatchex *disp);
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static void dispatch_dtor(zend_resource *rsrc)
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{
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php_dispatchex *disp = (php_dispatchex *)rsrc->ptr;
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disp_destructor(disp);
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}
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int php_com_wrapper_minit(INIT_FUNC_ARGS)
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{
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le_dispatch = zend_register_list_destructors_ex(dispatch_dtor,
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NULL, "com_dotnet_dispatch_wrapper", module_number);
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return le_dispatch;
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}
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/* {{{ trace */
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static inline void trace(char *fmt, ...)
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{
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va_list ap;
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char buf[4096];
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snprintf(buf, sizeof(buf), "T=%08x ", GetCurrentThreadId());
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OutputDebugString(buf);
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va_start(ap, fmt);
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vsnprintf(buf, sizeof(buf), fmt, ap);
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OutputDebugString(buf);
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va_end(ap);
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}
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/* }}} */
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#define FETCH_DISP(methname) \
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php_dispatchex *disp = (php_dispatchex*)This; \
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if (COMG(rshutdown_started)) { \
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trace(" PHP Object:%p (name:unknown) %s\n", Z_OBJ(disp->object), methname); \
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} else { \
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trace(" PHP Object:%p (name:%s) %s\n", Z_OBJ(disp->object), Z_OBJCE(disp->object)->name->val, methname); \
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} \
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if (GetCurrentThreadId() != disp->engine_thread) { \
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return RPC_E_WRONG_THREAD; \
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}
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static HRESULT STDMETHODCALLTYPE disp_queryinterface(
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IDispatchEx *This,
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/* [in] */ REFIID riid,
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/* [iid_is][out] */ void **ppvObject)
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{
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FETCH_DISP("QueryInterface");
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if (IsEqualGUID(&IID_IUnknown, riid) ||
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IsEqualGUID(&IID_IDispatch, riid) ||
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IsEqualGUID(&IID_IDispatchEx, riid) ||
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IsEqualGUID(&disp->sinkid, riid)) {
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*ppvObject = This;
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InterlockedIncrement(&disp->refcount);
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return S_OK;
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}
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*ppvObject = NULL;
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return E_NOINTERFACE;
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}
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static ULONG STDMETHODCALLTYPE disp_addref(IDispatchEx *This)
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{
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FETCH_DISP("AddRef");
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return InterlockedIncrement(&disp->refcount);
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}
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static ULONG STDMETHODCALLTYPE disp_release(IDispatchEx *This)
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{
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ULONG ret;
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FETCH_DISP("Release");
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ret = InterlockedDecrement(&disp->refcount);
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trace("-- refcount now %d\n", ret);
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if (ret == 0) {
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/* destroy it */
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if (disp->res)
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zend_list_delete(disp->res);
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}
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return ret;
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}
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static HRESULT STDMETHODCALLTYPE disp_gettypeinfocount(
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IDispatchEx *This,
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/* [out] */ UINT *pctinfo)
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{
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FETCH_DISP("GetTypeInfoCount");
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*pctinfo = 0;
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return S_OK;
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}
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static HRESULT STDMETHODCALLTYPE disp_gettypeinfo(
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IDispatchEx *This,
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/* [in] */ UINT iTInfo,
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/* [in] */ LCID lcid,
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/* [out] */ ITypeInfo **ppTInfo)
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{
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FETCH_DISP("GetTypeInfo");
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*ppTInfo = NULL;
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return DISP_E_BADINDEX;
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}
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static HRESULT STDMETHODCALLTYPE disp_getidsofnames(
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IDispatchEx *This,
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/* [in] */ REFIID riid,
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/* [size_is][in] */ LPOLESTR *rgszNames,
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/* [in] */ UINT cNames,
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/* [in] */ LCID lcid,
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/* [size_is][out] */ DISPID *rgDispId)
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{
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UINT i;
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HRESULT ret = S_OK;
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FETCH_DISP("GetIDsOfNames");
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for (i = 0; i < cNames; i++) {
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char *name;
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size_t namelen;
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zval *tmp;
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name = php_com_olestring_to_string(rgszNames[i], &namelen, COMG(code_page));
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/* Lookup the name in the hash */
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if ((tmp = zend_hash_str_find(disp->name_to_dispid, name, namelen)) == NULL) {
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ret = DISP_E_UNKNOWNNAME;
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rgDispId[i] = 0;
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} else {
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rgDispId[i] = (DISPID)Z_LVAL_P(tmp);
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}
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efree(name);
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}
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return ret;
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}
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static HRESULT STDMETHODCALLTYPE disp_invoke(
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IDispatchEx *This,
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/* [in] */ DISPID dispIdMember,
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/* [in] */ REFIID riid,
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/* [in] */ LCID lcid,
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/* [in] */ WORD wFlags,
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/* [out][in] */ DISPPARAMS *pDispParams,
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/* [out] */ VARIANT *pVarResult,
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/* [out] */ EXCEPINFO *pExcepInfo,
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/* [out] */ UINT *puArgErr)
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{
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return This->lpVtbl->InvokeEx(This, dispIdMember,
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lcid, wFlags, pDispParams,
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pVarResult, pExcepInfo, NULL);
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}
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static HRESULT STDMETHODCALLTYPE disp_getdispid(
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IDispatchEx *This,
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/* [in] */ BSTR bstrName,
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/* [in] */ DWORD grfdex,
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/* [out] */ DISPID *pid)
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{
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HRESULT ret = DISP_E_UNKNOWNNAME;
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char *name;
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size_t namelen;
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zval *tmp;
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FETCH_DISP("GetDispID");
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name = php_com_olestring_to_string(bstrName, &namelen, COMG(code_page));
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trace("Looking for %s, namelen=%d in %p\n", name, namelen, disp->name_to_dispid);
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/* Lookup the name in the hash */
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if ((tmp = zend_hash_str_find(disp->name_to_dispid, name, namelen)) != NULL) {
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trace("found it\n");
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*pid = (DISPID)Z_LVAL_P(tmp);
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ret = S_OK;
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}
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efree(name);
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return ret;
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}
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static HRESULT STDMETHODCALLTYPE disp_invokeex(
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IDispatchEx *This,
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/* [in] */ DISPID id,
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/* [in] */ LCID lcid,
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/* [in] */ WORD wFlags,
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/* [in] */ DISPPARAMS *pdp,
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/* [out] */ VARIANT *pvarRes,
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/* [out] */ EXCEPINFO *pei,
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/* [unique][in] */ IServiceProvider *pspCaller)
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{
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zval *name;
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UINT i;
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zval rv, *retval = NULL;
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zval *params = NULL;
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HRESULT ret = DISP_E_MEMBERNOTFOUND;
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FETCH_DISP("InvokeEx");
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if (NULL != (name = zend_hash_index_find(disp->dispid_to_name, id))) {
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/* TODO: add support for overloaded objects */
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trace("-- Invoke: %d %20s [%d] flags=%08x args=%d\n", id, Z_STRVAL_P(name), Z_STRLEN_P(name), wFlags, pdp->cArgs);
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/* convert args into zvals.
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* Args are in reverse order */
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if (pdp->cArgs) {
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params = (zval *)safe_emalloc(sizeof(zval), pdp->cArgs, 0);
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for (i = 0; i < pdp->cArgs; i++) {
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VARIANT *arg;
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arg = &pdp->rgvarg[ pdp->cArgs - 1 - i];
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trace("alloc zval for arg %d VT=%08x\n", i, V_VT(arg));
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php_com_wrap_variant(¶ms[i], arg, COMG(code_page));
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}
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}
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trace("arguments processed, prepare to do some work\n");
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/* TODO: if PHP raises an exception here, we should catch it
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* and expose it as a COM exception */
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if (wFlags & DISPATCH_PROPERTYGET) {
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retval = zend_read_property(Z_OBJCE(disp->object), &disp->object, Z_STRVAL_P(name), Z_STRLEN_P(name)+1, 1);
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} else if (wFlags & DISPATCH_PROPERTYPUT) {
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zend_update_property(Z_OBJCE(disp->object), &disp->object, Z_STRVAL_P(name), Z_STRLEN_P(name), ¶ms[0]);
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} else if (wFlags & DISPATCH_METHOD) {
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zend_try {
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retval = &rv;
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if (SUCCESS == call_user_function_ex(EG(function_table), &disp->object, name,
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retval, pdp->cArgs, params, 1, NULL)) {
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ret = S_OK;
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trace("function called ok\n");
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/* Copy any modified values to callers copy of variant*/
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for (i = 0; i < pdp->cArgs; i++) {
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php_com_dotnet_object *obj = CDNO_FETCH(¶ms[i]);
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VARIANT *srcvar = &obj->v;
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VARIANT *dstvar = &pdp->rgvarg[ pdp->cArgs - 1 - i];
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if ((V_VT(dstvar) & VT_BYREF) && obj->modified ) {
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trace("percolate modified value for arg %d VT=%08x\n", i, V_VT(dstvar));
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php_com_copy_variant(dstvar, srcvar);
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}
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}
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} else {
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trace("failed to call func\n");
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ret = DISP_E_EXCEPTION;
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}
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} zend_catch {
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trace("something blew up\n");
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ret = DISP_E_EXCEPTION;
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} zend_end_try();
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} else {
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trace("Don't know how to handle this invocation %08x\n", wFlags);
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}
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/* release arguments */
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if (params) {
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for (i = 0; i < pdp->cArgs; i++) {
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zval_ptr_dtor(¶ms[i]);
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}
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efree(params);
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}
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/* return value */
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if (retval) {
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if (pvarRes) {
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VariantInit(pvarRes);
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php_com_variant_from_zval(pvarRes, retval, COMG(code_page));
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}
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zval_ptr_dtor(retval);
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} else if (pvarRes) {
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VariantInit(pvarRes);
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}
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} else {
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trace("InvokeEx: I don't support DISPID=%d\n", id);
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}
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return ret;
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}
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static HRESULT STDMETHODCALLTYPE disp_deletememberbyname(
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IDispatchEx *This,
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/* [in] */ BSTR bstrName,
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/* [in] */ DWORD grfdex)
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{
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FETCH_DISP("DeleteMemberByName");
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/* TODO: unset */
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return S_FALSE;
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}
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static HRESULT STDMETHODCALLTYPE disp_deletememberbydispid(
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IDispatchEx *This,
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/* [in] */ DISPID id)
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{
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FETCH_DISP("DeleteMemberByDispID");
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/* TODO: unset */
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return S_FALSE;
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}
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static HRESULT STDMETHODCALLTYPE disp_getmemberproperties(
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IDispatchEx *This,
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/* [in] */ DISPID id,
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/* [in] */ DWORD grfdexFetch,
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/* [out] */ DWORD *pgrfdex)
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{
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FETCH_DISP("GetMemberProperties");
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return DISP_E_UNKNOWNNAME;
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}
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static HRESULT STDMETHODCALLTYPE disp_getmembername(
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IDispatchEx *This,
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/* [in] */ DISPID id,
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/* [out] */ BSTR *pbstrName)
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{
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zval *name;
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FETCH_DISP("GetMemberName");
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if (NULL != (name = zend_hash_index_find(disp->dispid_to_name, id))) {
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OLECHAR *olestr = php_com_string_to_olestring(Z_STRVAL_P(name), Z_STRLEN_P(name), COMG(code_page));
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*pbstrName = SysAllocString(olestr);
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efree(olestr);
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return S_OK;
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} else {
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return DISP_E_UNKNOWNNAME;
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}
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}
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static HRESULT STDMETHODCALLTYPE disp_getnextdispid(
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IDispatchEx *This,
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/* [in] */ DWORD grfdex,
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/* [in] */ DISPID id,
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/* [out] */ DISPID *pid)
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{
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ulong next = id+1;
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FETCH_DISP("GetNextDispID");
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while(!zend_hash_index_exists(disp->dispid_to_name, next))
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next++;
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if (zend_hash_index_exists(disp->dispid_to_name, next)) {
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*pid = next;
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return S_OK;
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}
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return S_FALSE;
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}
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static HRESULT STDMETHODCALLTYPE disp_getnamespaceparent(
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IDispatchEx *This,
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/* [out] */ IUnknown **ppunk)
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{
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FETCH_DISP("GetNameSpaceParent");
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*ppunk = NULL;
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return E_NOTIMPL;
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}
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static struct IDispatchExVtbl php_dispatch_vtbl = {
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disp_queryinterface,
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disp_addref,
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disp_release,
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disp_gettypeinfocount,
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disp_gettypeinfo,
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disp_getidsofnames,
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disp_invoke,
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disp_getdispid,
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disp_invokeex,
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disp_deletememberbyname,
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disp_deletememberbydispid,
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disp_getmemberproperties,
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disp_getmembername,
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disp_getnextdispid,
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disp_getnamespaceparent
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};
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/* enumerate functions and properties of the object and assign
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* dispatch ids */
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static void generate_dispids(php_dispatchex *disp)
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{
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HashPosition pos;
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zend_string *name = NULL;
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zval *tmp, tmp2;
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int keytype;
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zend_ulong pid;
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if (disp->dispid_to_name == NULL) {
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ALLOC_HASHTABLE(disp->dispid_to_name);
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ALLOC_HASHTABLE(disp->name_to_dispid);
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zend_hash_init(disp->name_to_dispid, 0, NULL, ZVAL_PTR_DTOR, 0);
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zend_hash_init(disp->dispid_to_name, 0, NULL, ZVAL_PTR_DTOR, 0);
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}
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/* properties */
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if (Z_OBJPROP(disp->object)) {
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zend_hash_internal_pointer_reset_ex(Z_OBJPROP(disp->object), &pos);
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while (HASH_KEY_NON_EXISTENT != (keytype =
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zend_hash_get_current_key_ex(Z_OBJPROP(disp->object), &name,
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&pid, 0, &pos))) {
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char namebuf[32];
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if (keytype == HASH_KEY_IS_LONG) {
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snprintf(namebuf, sizeof(namebuf), ZEND_ULONG_FMT, pid);
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name = zend_string_init(namebuf, strlen(namebuf), 0);
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} else {
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zend_string_addref(name);
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}
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zend_hash_move_forward_ex(Z_OBJPROP(disp->object), &pos);
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/* Find the existing id */
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if ((tmp = zend_hash_find(disp->name_to_dispid, name)) != NULL) {
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zend_string_release(name);
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continue;
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}
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/* add the mappings */
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ZVAL_STR_COPY(&tmp2, name);
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pid = zend_hash_next_free_element(disp->dispid_to_name);
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zend_hash_index_update(disp->dispid_to_name, pid, &tmp2);
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ZVAL_LONG(&tmp2, pid);
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zend_hash_update(disp->name_to_dispid, name, &tmp2);
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zend_string_release(name);
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}
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}
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/* functions */
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if (Z_OBJCE(disp->object)) {
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zend_hash_internal_pointer_reset_ex(&Z_OBJCE(disp->object)->function_table, &pos);
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while (HASH_KEY_NON_EXISTENT != (keytype =
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zend_hash_get_current_key_ex(&Z_OBJCE(disp->object)->function_table,
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&name, &pid, 0, &pos))) {
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char namebuf[32];
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if (keytype == HASH_KEY_IS_LONG) {
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snprintf(namebuf, sizeof(namebuf), "%d", pid);
|
|
name = zend_string_init(namebuf, strlen(namebuf), 0);
|
|
} else {
|
|
zend_string_addref(name);
|
|
}
|
|
|
|
zend_hash_move_forward_ex(&Z_OBJCE(disp->object)->function_table, &pos);
|
|
|
|
/* Find the existing id */
|
|
if ((tmp = zend_hash_find(disp->name_to_dispid, name)) != NULL) {
|
|
zend_string_release(name);
|
|
continue;
|
|
}
|
|
|
|
/* add the mappings */
|
|
ZVAL_STR_COPY(&tmp2, name);
|
|
pid = zend_hash_next_free_element(disp->dispid_to_name);
|
|
zend_hash_index_update(disp->dispid_to_name, pid, &tmp2);
|
|
|
|
ZVAL_LONG(&tmp2, pid);
|
|
zend_hash_update(disp->name_to_dispid, name, &tmp2);
|
|
|
|
zend_string_release(name);
|
|
}
|
|
}
|
|
}
|
|
|
|
static php_dispatchex *disp_constructor(zval *object)
|
|
{
|
|
php_dispatchex *disp = (php_dispatchex*)CoTaskMemAlloc(sizeof(php_dispatchex));
|
|
zval *tmp;
|
|
|
|
trace("constructing a COM wrapper for PHP object %p (%s)\n", object, Z_OBJCE_P(object)->name);
|
|
|
|
if (disp == NULL)
|
|
return NULL;
|
|
|
|
memset(disp, 0, sizeof(php_dispatchex));
|
|
|
|
disp->engine_thread = GetCurrentThreadId();
|
|
disp->lpVtbl = &php_dispatch_vtbl;
|
|
disp->refcount = 1;
|
|
|
|
|
|
if (object) {
|
|
ZVAL_COPY(&disp->object, object);
|
|
} else {
|
|
ZVAL_UNDEF(&disp->object);
|
|
}
|
|
|
|
tmp = zend_list_insert(disp, le_dispatch);
|
|
disp->res = Z_RES_P(tmp);
|
|
|
|
return disp;
|
|
}
|
|
|
|
static void disp_destructor(php_dispatchex *disp)
|
|
{
|
|
/* Object store not available during request shutdown */
|
|
if (COMG(rshutdown_started)) {
|
|
trace("destroying COM wrapper for PHP object %p (name:unknown)\n", Z_OBJ(disp->object));
|
|
} else {
|
|
trace("destroying COM wrapper for PHP object %p (name:%s)\n", Z_OBJ(disp->object), Z_OBJCE(disp->object)->name->val);
|
|
}
|
|
|
|
disp->res = NULL;
|
|
|
|
if (disp->refcount > 0)
|
|
CoDisconnectObject((IUnknown*)disp, 0);
|
|
|
|
zend_hash_destroy(disp->dispid_to_name);
|
|
zend_hash_destroy(disp->name_to_dispid);
|
|
FREE_HASHTABLE(disp->dispid_to_name);
|
|
FREE_HASHTABLE(disp->name_to_dispid);
|
|
|
|
zval_ptr_dtor(&disp->object);
|
|
|
|
CoTaskMemFree(disp);
|
|
}
|
|
|
|
PHP_COM_DOTNET_API IDispatch *php_com_wrapper_export_as_sink(zval *val, GUID *sinkid,
|
|
HashTable *id_to_name)
|
|
{
|
|
php_dispatchex *disp = disp_constructor(val);
|
|
HashPosition pos;
|
|
zend_string *name = NULL;
|
|
zval tmp, *ntmp;
|
|
int keytype;
|
|
zend_ulong pid;
|
|
|
|
disp->dispid_to_name = id_to_name;
|
|
|
|
memcpy(&disp->sinkid, sinkid, sizeof(disp->sinkid));
|
|
|
|
/* build up the reverse mapping */
|
|
ALLOC_HASHTABLE(disp->name_to_dispid);
|
|
zend_hash_init(disp->name_to_dispid, 0, NULL, ZVAL_PTR_DTOR, 0);
|
|
|
|
zend_hash_internal_pointer_reset_ex(id_to_name, &pos);
|
|
while (HASH_KEY_NON_EXISTENT != (keytype =
|
|
zend_hash_get_current_key_ex(id_to_name, &name, &pid, 0, &pos))) {
|
|
|
|
if (keytype == HASH_KEY_IS_LONG) {
|
|
|
|
ntmp = zend_hash_get_current_data_ex(id_to_name, &pos);
|
|
|
|
ZVAL_LONG(&tmp, pid);
|
|
zend_hash_update(disp->name_to_dispid, Z_STR_P(ntmp), &tmp);
|
|
}
|
|
|
|
zend_hash_move_forward_ex(id_to_name, &pos);
|
|
}
|
|
|
|
return (IDispatch*)disp;
|
|
}
|
|
|
|
PHP_COM_DOTNET_API IDispatch *php_com_wrapper_export(zval *val)
|
|
{
|
|
php_dispatchex *disp = NULL;
|
|
|
|
if (Z_TYPE_P(val) != IS_OBJECT) {
|
|
return NULL;
|
|
}
|
|
|
|
if (php_com_is_valid_object(val)) {
|
|
/* pass back its IDispatch directly */
|
|
php_com_dotnet_object *obj = CDNO_FETCH(val);
|
|
|
|
if (obj == NULL)
|
|
return NULL;
|
|
|
|
if (V_VT(&obj->v) == VT_DISPATCH && V_DISPATCH(&obj->v)) {
|
|
IDispatch_AddRef(V_DISPATCH(&obj->v));
|
|
return V_DISPATCH(&obj->v);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
disp = disp_constructor(val);
|
|
generate_dispids(disp);
|
|
|
|
return (IDispatch*)disp;
|
|
}
|
|
|
|
|