| 1 | /**
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| 2 | * Dispatch API functions
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| 3 | *
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| 4 | * Copyright 2000 Francois Jacques, Macadamian Technologies Inc.
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| 5 | *
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| 6 | * ---
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| 7 | *
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| 8 | * TODO: Type coercion is implemented in variant.c but not called yet.
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| 9 | */
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| 10 |
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| 11 | #include "config.h"
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| 12 |
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| 13 | #include <stdlib.h>
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| 14 | #include <string.h>
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| 15 | #include <stdio.h>
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| 16 | #include <ctype.h>
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| 17 |
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| 18 | #include "windef.h"
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| 19 | #include "ole.h"
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| 20 | #include "oleauto.h"
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| 21 | #include "winerror.h"
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| 22 | #include "winreg.h" /* for HKEY_LOCAL_MACHINE */
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| 23 | #include "winnls.h" /* for PRIMARYLANGID */
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| 24 |
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| 25 | #include "wine/obj_oleaut.h"
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| 26 |
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| 27 | #include "debugtools.h"
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| 28 |
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| 29 | DEFAULT_DEBUG_CHANNEL(ole);
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| 30 | DECLARE_DEBUG_CHANNEL(typelib);
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| 31 |
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| 32 |
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| 33 | /******************************************************************************
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| 34 | * DispInvoke (OLEAUT32.30)
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| 35 | *
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| 36 | *
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| 37 | * Calls method of an object through its IDispatch interface.
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| 38 | *
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| 39 | * NOTES
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| 40 | * - Defer method invocation to ITypeInfo::Invoke()
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| 41 | *
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| 42 | * RETURNS
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| 43 | *
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| 44 | * S_OK on success.
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| 45 | */
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| 46 | HRESULT WINAPI DispInvoke(
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| 47 | VOID *_this, /* [in] object instance */
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| 48 | ITypeInfo *ptinfo, /* [in] object's type info */
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| 49 | DISPID dispidMember, /* [in] member id */
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| 50 | USHORT wFlags, /* [in] kind of method call */
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| 51 | DISPPARAMS *pparams, /* [in] array of arguments */
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| 52 | VARIANT *pvarResult, /* [out] result of method call */
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| 53 | EXCEPINFO *pexcepinfo, /* [out] information about exception */
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| 54 | UINT *puArgErr) /* [out] index of bad argument(if any) */
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| 55 | {
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| 56 | HRESULT hr = E_FAIL;
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| 57 |
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| 58 | /**
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| 59 | * TODO:
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| 60 | * For each param, call DispGetParam to perform type coercion
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| 61 | */
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| 62 | FIXME("Coercion of arguments not implemented\n");
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| 63 |
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| 64 | hr = ICOM_CALL7(Invoke,
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| 65 | ptinfo,
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| 66 | _this,
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| 67 | dispidMember,
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| 68 | wFlags,
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| 69 | pparams, pvarResult, pexcepinfo, puArgErr);
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| 70 |
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| 71 | return (hr);
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| 72 | }
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| 73 |
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| 74 |
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| 75 | /******************************************************************************
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| 76 | * DispGetIDsOfNames (OLEAUT32.29)
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| 77 | *
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| 78 | * Convert a set of names to dispids, based on information
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| 79 | * contained in object's type library.
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| 80 | *
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| 81 | * NOTES
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| 82 | * - Defers to ITypeInfo::GetIDsOfNames()
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| 83 | *
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| 84 | * RETURNS
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| 85 | *
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| 86 | * S_OK on success.
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| 87 | */
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| 88 | HRESULT WINAPI DispGetIDsOfNames(
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| 89 | ITypeInfo *ptinfo, /* [in] */
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| 90 | OLECHAR **rgszNames, /* [in] */
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| 91 | UINT cNames, /* [in] */
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| 92 | DISPID *rgdispid) /* [out] */
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| 93 | {
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| 94 | HRESULT hr = E_FAIL;
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| 95 |
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| 96 | hr = ICOM_CALL3(GetIDsOfNames,
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| 97 | ptinfo,
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| 98 | rgszNames,
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| 99 | cNames,
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| 100 | rgdispid);
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| 101 | return (hr);
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| 102 | }
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| 103 |
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| 104 | /******************************************************************************
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| 105 | * DispGetParam (OLEAUT32.28)
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| 106 | *
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| 107 | * Retrive a parameter from a DISPPARAMS structures and coerce it to
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| 108 | * specified variant type
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| 109 | *
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| 110 | * NOTES
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| 111 | * Coercion is done using system (0) locale.
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| 112 | *
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| 113 | * RETURNS
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| 114 | *
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| 115 | * S_OK on success.
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| 116 | */
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| 117 | HRESULT WINAPI DispGetParam(
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| 118 | DISPPARAMS *pdispparams, /* [in] */
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| 119 | UINT position, /* [in] */
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| 120 | VARTYPE vtTarg, /* [in] */
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| 121 | VARIANT *pvarResult, /* [out] */
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| 122 | UINT *puArgErr) /* [out] */
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| 123 | {
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| 124 | /* position is counted backwards */
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| 125 | UINT pos;
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| 126 | HRESULT hr;
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| 127 |
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| 128 | TRACE("position=%d, cArgs=%d, cNamedArgs=%d\n",
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| 129 | position, pdispparams->cArgs, pdispparams->cNamedArgs);
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| 130 | if (position < pdispparams->cArgs) {
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| 131 | /* positional arg? */
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| 132 | pos = pdispparams->cArgs - position - 1;
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| 133 | } else {
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| 134 | /* FIXME: is this how to handle named args? */
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| 135 | for (pos=0; pos<pdispparams->cNamedArgs; pos++)
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| 136 | if (pdispparams->rgdispidNamedArgs[pos] == position) break;
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| 137 |
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| 138 | if (pos==pdispparams->cNamedArgs)
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| 139 | return DISP_E_PARAMNOTFOUND;
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| 140 | }
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| 141 | hr = VariantChangeType(pvarResult,
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| 142 | &pdispparams->rgvarg[pos],
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| 143 | 0, vtTarg);
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| 144 | if (hr == DISP_E_TYPEMISMATCH) *puArgErr = pos;
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| 145 | return hr;
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| 146 | }
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