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// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
#include "precomp.h"
static IBootstrapperExtensionEngine* vpEngine = NULL;
// prototypes
DAPI_(void) BextInitialize(
__in IBootstrapperExtensionEngine* pEngine
)
{
pEngine->AddRef();
ReleaseObject(vpEngine);
vpEngine = pEngine;
}
DAPI_(HRESULT) BextInitializeFromCreateArgs(
__in const BOOTSTRAPPER_EXTENSION_CREATE_ARGS* pArgs,
__out_opt IBootstrapperExtensionEngine** ppEngine
)
{
HRESULT hr = S_OK;
IBootstrapperExtensionEngine* pEngine = NULL;
hr = BextBootstrapperExtensionEngineCreate(pArgs->pfnBootstrapperExtensionEngineProc, pArgs->pvBootstrapperExtensionEngineProcContext, &pEngine);
ExitOnFailure(hr, "Failed to create BextBootstrapperExtensionEngine.");
BextInitialize(pEngine);
if (ppEngine)
{
*ppEngine = pEngine;
}
pEngine = NULL;
LExit:
ReleaseObject(pEngine);
return hr;
}
DAPI_(void) BextUninitialize()
{
ReleaseNullObject(vpEngine);
}
DAPI_(HRESULT) BextGetBootstrapperExtensionDataNode(
__in IXMLDOMDocument* pixdManifest,
__in LPCWSTR wzExtensionId,
__out IXMLDOMNode** ppixnBootstrapperExtension
)
{
HRESULT hr = S_OK;
IXMLDOMElement* pixeBootstrapperExtensionData = NULL;
IXMLDOMNodeList* pixnNodes = NULL;
IXMLDOMNode* pixnNode = NULL;
DWORD cNodes = 0;
LPWSTR sczId = NULL;
// Get BootstrapperExtensionData element.
hr = pixdManifest->get_documentElement(&pixeBootstrapperExtensionData);
ExitOnFailure(hr, "Failed to get BootstrapperExtensionData element.");
// Select BootstrapperExtension nodes.
hr = XmlSelectNodes(pixeBootstrapperExtensionData, L"BootstrapperExtension", &pixnNodes);
ExitOnFailure(hr, "Failed to select BootstrapperExtension nodes.");
// Get BootstrapperExtension node count.
hr = pixnNodes->get_length((long*)&cNodes);
ExitOnFailure(hr, "Failed to get BootstrapperExtension node count.");
if (!cNodes)
{
ExitFunction();
}
// Find requested extension.
for (DWORD i = 0; i < cNodes; ++i)
{
hr = XmlNextElement(pixnNodes, &pixnNode, NULL);
ExitOnFailure(hr, "Failed to get next node.");
// @Id
hr = XmlGetAttributeEx(pixnNode, L"Id", &sczId);
ExitOnRequiredXmlQueryFailure(hr, "Failed to get @Id.");
if (CSTR_EQUAL == ::CompareStringW(LOCALE_INVARIANT, 0, sczId, -1, wzExtensionId, -1))
{
*ppixnBootstrapperExtension = pixnNode;
pixnNode = NULL;
ExitFunction1(hr = S_OK);
}
// Prepare next iteration.
ReleaseNullObject(pixnNode);
}
hr = E_NOTFOUND;
LExit:
ReleaseStr(sczId);
ReleaseObject(pixnNode);
ReleaseObject(pixnNodes);
ReleaseObject(pixeBootstrapperExtensionData);
return hr;
}
DAPIV_(HRESULT) BextLog(
__in BOOTSTRAPPER_EXTENSION_LOG_LEVEL level,
__in_z __format_string LPCSTR szFormat,
...
)
{
HRESULT hr = S_OK;
va_list args;
if (!vpEngine)
{
hr = E_POINTER;
ExitOnRootFailure(hr, "BextInitialize() must be called first.");
}
va_start(args, szFormat);
hr = BextLogArgs(level, szFormat, args);
va_end(args);
LExit:
return hr;
}
DAPI_(HRESULT) BextLogArgs(
__in BOOTSTRAPPER_EXTENSION_LOG_LEVEL level,
__in_z __format_string LPCSTR szFormat,
__in va_list args
)
{
HRESULT hr = S_OK;
LPSTR sczFormattedAnsi = NULL;
LPWSTR sczMessage = NULL;
if (!vpEngine)
{
hr = E_POINTER;
ExitOnRootFailure(hr, "BextInitialize() must be called first.");
}
hr = StrAnsiAllocFormattedArgs(&sczFormattedAnsi, szFormat, args);
ExitOnFailure(hr, "Failed to format log string.");
hr = StrAllocStringAnsi(&sczMessage, sczFormattedAnsi, 0, CP_UTF8);
ExitOnFailure(hr, "Failed to convert log string to Unicode.");
hr = vpEngine->Log(level, sczMessage);
LExit:
ReleaseStr(sczMessage);
ReleaseStr(sczFormattedAnsi);
return hr;
}
DAPIV_(HRESULT) BextLogError(
__in HRESULT hrError,
__in_z __format_string LPCSTR szFormat,
...
)
{
HRESULT hr = S_OK;
va_list args;
if (!vpEngine)
{
hr = E_POINTER;
ExitOnRootFailure(hr, "BextInitialize() must be called first.");
}
va_start(args, szFormat);
hr = BextLogErrorArgs(hrError, szFormat, args);
va_end(args);
LExit:
return hr;
}
DAPI_(HRESULT) BextLogErrorArgs(
__in HRESULT hrError,
__in_z __format_string LPCSTR szFormat,
__in va_list args
)
{
HRESULT hr = S_OK;
LPSTR sczFormattedAnsi = NULL;
LPWSTR sczMessage = NULL;
if (!vpEngine)
{
hr = E_POINTER;
ExitOnRootFailure(hr, "BextInitialize() must be called first.");
}
hr = StrAnsiAllocFormattedArgs(&sczFormattedAnsi, szFormat, args);
ExitOnFailure(hr, "Failed to format error log string.");
hr = StrAllocFormatted(&sczMessage, L"Error 0x%08x: %S", hrError, sczFormattedAnsi);
ExitOnFailure(hr, "Failed to prepend error number to error log string.");
hr = vpEngine->Log(BOOTSTRAPPER_EXTENSION_LOG_LEVEL_ERROR, sczMessage);
LExit:
ReleaseStr(sczMessage);
ReleaseStr(sczFormattedAnsi);
return hr;
}
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