1 files changed, 331 insertions, 0 deletions

diff --git a/src/bextutil/BextBundleExtensionEngine.cpp b/src/bextutil/BextBundleExtensionEngine.cpp
new file mode 100644
index 00000000..02070a6f
--- /dev/null
+++ b/src/bextutil/BextBundleExtensionEngine.cpp
@@ -0,0 +1,331 @@
+// 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"
+
+
+class CBextBundleExtensionEngine : public IBundleExtensionEngine
+{
+public: // IUnknown
+    virtual STDMETHODIMP QueryInterface(
+        __in REFIID riid,
+        __out LPVOID *ppvObject
+        )
+    {
+        if (!ppvObject)
+        {
+            return E_INVALIDARG;
+        }
+
+        *ppvObject = NULL;
+
+        if (::IsEqualIID(__uuidof(IBundleExtensionEngine), riid))
+        {
+            *ppvObject = static_cast<IBundleExtensionEngine*>(this);
+        }
+        else if (::IsEqualIID(IID_IUnknown, riid))
+        {
+            *ppvObject = reinterpret_cast<IUnknown*>(this);
+        }
+        else // no interface for requested iid
+        {
+            return E_NOINTERFACE;
+        }
+
+        AddRef();
+        return S_OK;
+    }
+
+    virtual STDMETHODIMP_(ULONG) AddRef()
+    {
+        return ::InterlockedIncrement(&this->m_cReferences);
+    }
+
+    virtual STDMETHODIMP_(ULONG) Release()
+    {
+        long l = ::InterlockedDecrement(&this->m_cReferences);
+        if (0 < l)
+        {
+            return l;
+        }
+
+        delete this;
+        return 0;
+    }
+
+public: // IBundleExtensionEngine
+    virtual STDMETHODIMP EscapeString(
+        __in_z LPCWSTR wzIn,
+        __out_ecount_opt(*pcchOut) LPWSTR wzOut,
+        __inout DWORD* pcchOut
+        )
+    {
+        HRESULT hr = S_OK;
+        BUNDLE_EXTENSION_ENGINE_ESCAPESTRING_ARGS args = { };
+        BUNDLE_EXTENSION_ENGINE_ESCAPESTRING_RESULTS results = { };
+
+        ExitOnNull(pcchOut, hr, E_INVALIDARG, "pcchOut is required");
+
+        args.cbSize = sizeof(args);
+        args.wzIn = wzIn;
+
+        results.cbSize = sizeof(results);
+        results.wzOut = wzOut;
+        results.cchOut = *pcchOut;
+
+        hr = m_pfnBundleExtensionEngineProc(BUNDLE_EXTENSION_ENGINE_MESSAGE_ESCAPESTRING, &args, &results, m_pvBundleExtensionEngineProcContext);
+
+        *pcchOut = results.cchOut;
+
+    LExit:
+        return hr;
+    }
+
+    virtual STDMETHODIMP EvaluateCondition(
+        __in_z LPCWSTR wzCondition,
+        __out BOOL* pf
+        )
+    {
+        HRESULT hr = S_OK;
+        BUNDLE_EXTENSION_ENGINE_EVALUATECONDITION_ARGS args = { };
+        BUNDLE_EXTENSION_ENGINE_EVALUATECONDITION_RESULTS results = { };
+
+        ExitOnNull(pf, hr, E_INVALIDARG, "pf is required");
+
+        args.cbSize = sizeof(args);
+        args.wzCondition = wzCondition;
+
+        results.cbSize = sizeof(results);
+
+        hr = m_pfnBundleExtensionEngineProc(BUNDLE_EXTENSION_ENGINE_MESSAGE_EVALUATECONDITION, &args, &results, m_pvBundleExtensionEngineProcContext);
+
+        *pf = results.f;
+
+    LExit:
+        return hr;
+    }
+
+    virtual STDMETHODIMP FormatString(
+        __in_z LPCWSTR wzIn,
+        __out_ecount_opt(*pcchOut) LPWSTR wzOut,
+        __inout DWORD* pcchOut
+        )
+    {
+        HRESULT hr = S_OK;
+        BUNDLE_EXTENSION_ENGINE_FORMATSTRING_ARGS args = { };
+        BUNDLE_EXTENSION_ENGINE_FORMATSTRING_RESULTS results = { };
+
+        ExitOnNull(pcchOut, hr, E_INVALIDARG, "pcchOut is required");
+
+        args.cbSize = sizeof(args);
+        args.wzIn = wzIn;
+
+        results.cbSize = sizeof(results);
+        results.wzOut = wzOut;
+        results.cchOut = *pcchOut;
+
+        hr = m_pfnBundleExtensionEngineProc(BUNDLE_EXTENSION_ENGINE_MESSAGE_FORMATSTRING, &args, &results, m_pvBundleExtensionEngineProcContext);
+
+        *pcchOut = results.cchOut;
+
+    LExit:
+        return hr;
+    }
+
+    virtual STDMETHODIMP GetVariableNumeric(
+        __in_z LPCWSTR wzVariable,
+        __out LONGLONG* pllValue
+        )
+    {
+        HRESULT hr = S_OK;
+        BUNDLE_EXTENSION_ENGINE_GETVARIABLENUMERIC_ARGS args = { };
+        BUNDLE_EXTENSION_ENGINE_GETVARIABLENUMERIC_RESULTS results = { };
+
+        ExitOnNull(pllValue, hr, E_INVALIDARG, "pllValue is required");
+
+        args.cbSize = sizeof(args);
+        args.wzVariable = wzVariable;
+
+        results.cbSize = sizeof(results);
+
+        hr = m_pfnBundleExtensionEngineProc(BUNDLE_EXTENSION_ENGINE_MESSAGE_GETVARIABLENUMERIC, &args, &results, m_pvBundleExtensionEngineProcContext);
+
+        *pllValue = results.llValue;
+
+    LExit:
+        SecureZeroMemory(&results, sizeof(results));
+        return hr;
+    }
+
+    virtual STDMETHODIMP GetVariableString(
+        __in_z LPCWSTR wzVariable,
+        __out_ecount_opt(*pcchValue) LPWSTR wzValue,
+        __inout DWORD* pcchValue
+        )
+    {
+        HRESULT hr = S_OK;
+        BUNDLE_EXTENSION_ENGINE_GETVARIABLESTRING_ARGS args = { };
+        BUNDLE_EXTENSION_ENGINE_GETVARIABLESTRING_RESULTS results = { };
+
+        ExitOnNull(pcchValue, hr, E_INVALIDARG, "pcchValue is required");
+
+        args.cbSize = sizeof(args);
+        args.wzVariable = wzVariable;
+
+        results.cbSize = sizeof(results);
+        results.wzValue = wzValue;
+        results.cchValue = *pcchValue;
+
+        hr = m_pfnBundleExtensionEngineProc(BUNDLE_EXTENSION_ENGINE_MESSAGE_GETVARIABLESTRING, &args, &results, m_pvBundleExtensionEngineProcContext);
+
+        *pcchValue = results.cchValue;
+
+    LExit:
+        return hr;
+    }
+
+    virtual STDMETHODIMP GetVariableVersion(
+        __in_z LPCWSTR wzVariable,
+        __out DWORD64* pqwValue
+        )
+    {
+        HRESULT hr = S_OK;
+        BUNDLE_EXTENSION_ENGINE_GETVARIABLEVERSION_ARGS args = { };
+        BUNDLE_EXTENSION_ENGINE_GETVARIABLEVERSION_RESULTS results = { };
+
+        ExitOnNull(pqwValue, hr, E_INVALIDARG, "pqwValue is required");
+
+        args.cbSize = sizeof(args);
+        args.wzVariable = wzVariable;
+
+        results.cbSize = sizeof(results);
+
+        hr = m_pfnBundleExtensionEngineProc(BUNDLE_EXTENSION_ENGINE_MESSAGE_GETVARIABLEVERSION, &args, &results, m_pvBundleExtensionEngineProcContext);
+
+        *pqwValue = results.qwValue;
+
+    LExit:
+        SecureZeroMemory(&results, sizeof(results));
+        return hr;
+    }
+
+    virtual STDMETHODIMP Log(
+        __in BUNDLE_EXTENSION_LOG_LEVEL level,
+        __in_z LPCWSTR wzMessage
+        )
+    {
+        BUNDLE_EXTENSION_ENGINE_LOG_ARGS args = { };
+        BUNDLE_EXTENSION_ENGINE_LOG_RESULTS results = { };
+
+        args.cbSize = sizeof(args);
+        args.level = level;
+        args.wzMessage = wzMessage;
+
+        results.cbSize = sizeof(results);
+
+        return m_pfnBundleExtensionEngineProc(BUNDLE_EXTENSION_ENGINE_MESSAGE_LOG, &args, &results, m_pvBundleExtensionEngineProcContext);
+    }
+
+    virtual STDMETHODIMP SetVariableLiteralString(
+        __in_z LPCWSTR wzVariable,
+        __in_z_opt LPCWSTR wzValue
+        )
+    {
+        BUNDLE_EXTENSION_ENGINE_SETVARIABLELITERALSTRING_ARGS args = { };
+        BUNDLE_EXTENSION_ENGINE_SETVARIABLELITERALSTRING_RESULTS results = { };
+
+        args.cbSize = sizeof(args);
+        args.wzVariable = wzVariable;
+        args.wzValue = wzValue;
+
+        results.cbSize = sizeof(results);
+
+        return m_pfnBundleExtensionEngineProc(BUNDLE_EXTENSION_ENGINE_MESSAGE_SETVARIABLELITERALSTRING, &args, &results, m_pvBundleExtensionEngineProcContext);
+    }
+
+    virtual STDMETHODIMP SetVariableNumeric(
+        __in_z LPCWSTR wzVariable,
+        __in LONGLONG llValue
+        )
+    {
+        BUNDLE_EXTENSION_ENGINE_SETVARIABLENUMERIC_ARGS args = { };
+        BUNDLE_EXTENSION_ENGINE_SETVARIABLENUMERIC_RESULTS results = { };
+
+        args.cbSize = sizeof(args);
+        args.wzVariable = wzVariable;
+        args.llValue = llValue;
+
+        results.cbSize = sizeof(results);
+
+        return m_pfnBundleExtensionEngineProc(BUNDLE_EXTENSION_ENGINE_MESSAGE_SETVARIABLENUMERIC, &args, &results, m_pvBundleExtensionEngineProcContext);
+    }
+
+    virtual STDMETHODIMP SetVariableString(
+        __in_z LPCWSTR wzVariable,
+        __in_z_opt LPCWSTR wzValue
+        )
+    {
+        BUNDLE_EXTENSION_ENGINE_SETVARIABLESTRING_ARGS args = { };
+        BUNDLE_EXTENSION_ENGINE_SETVARIABLESTRING_RESULTS results = { };
+
+        args.cbSize = sizeof(args);
+        args.wzVariable = wzVariable;
+        args.wzValue = wzValue;
+
+        results.cbSize = sizeof(results);
+
+        return m_pfnBundleExtensionEngineProc(BUNDLE_EXTENSION_ENGINE_MESSAGE_SETVARIABLESTRING, &args, &results, m_pvBundleExtensionEngineProcContext);
+    }
+
+    virtual STDMETHODIMP SetVariableVersion(
+        __in_z LPCWSTR wzVariable,
+        __in DWORD64 qwValue
+        )
+    {
+        BUNDLE_EXTENSION_ENGINE_SETVARIABLEVERSION_ARGS args = { };
+        BUNDLE_EXTENSION_ENGINE_SETVARIABLEVERSION_RESULTS results = { };
+
+        args.cbSize = sizeof(args);
+        args.wzVariable = wzVariable;
+        args.qwValue = qwValue;
+
+        results.cbSize = sizeof(results);
+
+        return m_pfnBundleExtensionEngineProc(BUNDLE_EXTENSION_ENGINE_MESSAGE_SETVARIABLEVERSION, &args, &results, m_pvBundleExtensionEngineProcContext);
+    }
+
+public:
+    CBextBundleExtensionEngine(
+        __in PFN_BUNDLE_EXTENSION_ENGINE_PROC pfnBundleExtensionEngineProc,
+        __in_opt LPVOID pvBundleExtensionEngineProcContext
+        )
+    {
+        m_cReferences = 1;
+        m_pfnBundleExtensionEngineProc = pfnBundleExtensionEngineProc;
+        m_pvBundleExtensionEngineProcContext = pvBundleExtensionEngineProcContext;
+    }
+
+private:
+    long m_cReferences;
+    PFN_BUNDLE_EXTENSION_ENGINE_PROC m_pfnBundleExtensionEngineProc;
+    LPVOID m_pvBundleExtensionEngineProcContext;
+};
+
+HRESULT BextBundleExtensionEngineCreate(
+    __in PFN_BUNDLE_EXTENSION_ENGINE_PROC pfnBundleExtensionEngineProc,
+    __in_opt LPVOID pvBundleExtensionEngineProcContext,
+    __out IBundleExtensionEngine** ppEngineForExtension
+    )
+{
+    HRESULT hr = S_OK;
+    CBextBundleExtensionEngine* pBundleExtensionEngine = NULL;
+
+    pBundleExtensionEngine = new CBextBundleExtensionEngine(pfnBundleExtensionEngineProc, pvBundleExtensionEngineProcContext);
+    ExitOnNull(pBundleExtensionEngine, hr, E_OUTOFMEMORY, "Failed to allocate new BextBundleExtensionEngine object.");
+
+    hr = pBundleExtensionEngine->QueryInterface(IID_PPV_ARGS(ppEngineForExtension));
+    ExitOnFailure(hr, "Failed to QI for IBundleExtensionEngine from BextBundleExtensionEngine object.");
+
+LExit:
+    ReleaseObject(pBundleExtensionEngine);
+    return hr;
+}