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Code Issues Releases Wiki Activity

Updated documentation

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This commit is contained in:
Bryan Roe
2022-10-04 01:26:38 -07:00
parent 6a06f9b46b
commit 9f4ef70b2e
5 changed files with 118 additions and 30 deletions
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32
modules/win-com.js
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@@ -26,15 +26,15 @@ const IUnknownMethods = ['QueryInterface', 'AddRef', 'Release'];
var GM = require('_GenericMarshal');
var ole32 = GM.CreateNativeProxy('ole32.dll');
ole32.CreateMethod('CLSIDFromString');
ole32.CreateMethod('CoCreateInstance');
ole32.CreateMethod('CoInitializeSecurity');
ole32.CreateMethod('CoInitialize');
ole32.CreateMethod('CoInitializeEx');
ole32.CreateMethod('CoUninitialize');
ole32.CreateMethod('IIDFromString');
ole32.CreateMethod('StringFromCLSID');
ole32.CreateMethod('StringFromIID');
ole32.CreateMethod('CLSIDFromString'); // https://learn.microsoft.com/en-us/windows/win32/api/combaseapi/nf-combaseapi-clsidfromstring
ole32.CreateMethod('CoCreateInstance'); // https://learn.microsoft.com/en-us/windows/win32/api/combaseapi/nf-combaseapi-cocreateinstance
ole32.CreateMethod('CoInitializeSecurity'); // https://learn.microsoft.com/en-us/windows/win32/api/combaseapi/nf-combaseapi-coinitializesecurity
ole32.CreateMethod('CoInitialize'); // https://learn.microsoft.com/en-us/windows/win32/api/objbase/nf-objbase-coinitialize
ole32.CreateMethod('CoInitializeEx'); // https://learn.microsoft.com/en-us/windows/win32/api/combaseapi/nf-combaseapi-coinitializeex
ole32.CreateMethod('CoUninitialize'); // https://learn.microsoft.com/en-us/windows/win32/api/combaseapi/nf-combaseapi-couninitialize
ole32.CreateMethod('IIDFromString'); // https://learn.microsoft.com/en-us/windows/win32/api/combaseapi/nf-combaseapi-iidfromstring
ole32.CreateMethod('StringFromCLSID'); // https://learn.microsoft.com/en-us/windows/win32/api/combaseapi/nf-combaseapi-stringfromclsid
ole32.CreateMethod('StringFromIID'); // https://learn.microsoft.com/en-us/windows/win32/api/combaseapi/nf-combaseapi-stringfromiid
function createInstance_finalizer()
@@ -44,10 +44,14 @@ function createInstance_finalizer()
}
function createInstance(RFCLSID, RFIID, options)
{
// Start by initializing the Windows COM Library
console.info1('CoInitializeEx()');
ole32.CoInitializeEx(0, COINIT_MULTITHREADED);
// Set default Security Values for COM
ole32.CoInitializeSecurity(0, -1, 0, 0, RPC_C_AUTHN_LEVEL_DEFAULT, RPC_C_IMP_LEVEL_IMPERSONATE, 0, EOAC_NONE, 0);
// Create Instance of COM Object
var ppv = GM.CreatePointer();
var h;
if ((h = ole32.CoCreateInstance(RFCLSID, 0, CLSCTX_INPROC_SERVER | CLSCTX_LOCAL_SERVER, RFIID,ppv)).Val == 0)
@@ -58,11 +62,13 @@ function createInstance(RFCLSID, RFIID, options)
}
else
{
// If it fails, we can tear down the COM library
ole32.CoUninitialize();
}
throw ('Error calling CoCreateInstance(' + h.Val + ')');
}
// Convert from STRING to CLSID
function CLSIDFromString(CLSIDString)
{
var v = GM.CreateVariable(CLSIDString, { wide: true });
@@ -77,6 +83,8 @@ function CLSIDFromString(CLSIDString)
throw ('Error Converting CLSIDString');
}
}
// Convert from STRING to IID
function IIDFromString(IIDString)
{
var v = GM.CreateVariable(IIDString, { wide: true });
@@ -92,10 +100,13 @@ function IIDFromString(IIDString)
}
}
// Create an array of functions, from the definitions
function marshalFunctions(obj, arr)
{
return (GM.MarshalFunctions(obj.Deref(), arr));
}
// Implement a COM interface, and attach it to the local vtable
function marshalInterface(arr)
{
if (GM.PointerSize == 4)
@@ -114,6 +125,7 @@ function marshalInterface(arr)
vtbl.pointerBuffer().copy(obj.toBuffer());
obj._gcallbacks = [];
// Cleanup function, which clears all the callbacks
obj.cleanup = function ()
{
var v;
@@ -125,6 +137,8 @@ function marshalInterface(arr)
}
};
// Enumerate the functions, and put them in the local vtable for the COM interface
for (var i = 0; i < arr.length; ++i)
{
_hide(GM.GetGenericGlobalCallbackEx(arr[i].parms, GM.PointerSize == 4 ? arr[i].cx : null)); // Only 32 bit needs custom handlers