1 files changed, 164 insertions, 0 deletions

diff --git a/src/burn/engine/manifest.cpp b/src/burn/engine/manifest.cpp
new file mode 100644
index 00000000..b1740083
--- /dev/null
+++ b/src/burn/engine/manifest.cpp
@@ -0,0 +1,164 @@
+// 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 HRESULT ParseFromXml(
+    __in IXMLDOMDocument* pixdDocument,
+    __in BURN_ENGINE_STATE* pEngineState
+    );
+
+// function definitions
+
+extern "C" HRESULT ManifestLoadXmlFromFile(
+    __in LPCWSTR wzPath,
+    __in BURN_ENGINE_STATE* pEngineState
+    )
+{
+    HRESULT hr = S_OK;
+    IXMLDOMDocument* pixdDocument = NULL;
+
+    // load xml document
+    hr = XmlLoadDocumentFromFile(wzPath, &pixdDocument);
+    ExitOnFailure(hr, "Failed to load manifest as XML document.");
+
+    hr = ParseFromXml(pixdDocument, pEngineState);
+
+LExit:
+    ReleaseObject(pixdDocument);
+
+    return hr;
+}
+
+extern "C" HRESULT ManifestLoadXmlFromBuffer(
+    __in_bcount(cbBuffer) BYTE* pbBuffer,
+    __in SIZE_T cbBuffer,
+    __in BURN_ENGINE_STATE* pEngineState
+    )
+{
+    HRESULT hr = S_OK;
+    IXMLDOMDocument* pixdDocument = NULL;
+
+    // load xml document
+    hr = XmlLoadDocumentFromBuffer(pbBuffer, cbBuffer, &pixdDocument);
+    ExitOnFailure(hr, "Failed to load manifest as XML document.");
+
+    hr = ParseFromXml(pixdDocument, pEngineState);
+
+LExit:
+    ReleaseObject(pixdDocument);
+
+    return hr;
+}
+
+static HRESULT ParseFromXml(
+    __in IXMLDOMDocument* pixdDocument,
+    __in BURN_ENGINE_STATE* pEngineState
+    )
+{
+    HRESULT hr = S_OK;
+    IXMLDOMElement* pixeBundle = NULL;
+    IXMLDOMNode* pixnLog = NULL;
+    IXMLDOMNode* pixnChain = NULL;
+
+    // get bundle element
+    hr = pixdDocument->get_documentElement(&pixeBundle);
+    ExitOnFailure(hr, "Failed to get bundle element.");
+
+    // parse the log element, if present.
+    hr = XmlSelectSingleNode(pixeBundle, L"Log", &pixnLog);
+    ExitOnFailure(hr, "Failed to get Log element.");
+
+    if (S_OK == hr)
+    {
+        hr = XmlGetAttributeEx(pixnLog, L"PathVariable", &pEngineState->log.sczPathVariable);
+        if (E_NOTFOUND != hr)
+        {
+            ExitOnFailure(hr, "Failed to get Log/@PathVariable.");
+        }
+
+        hr = XmlGetAttributeEx(pixnLog, L"Prefix", &pEngineState->log.sczPrefix);
+        ExitOnFailure(hr, "Failed to get Log/@Prefix attribute.");
+
+        hr = XmlGetAttributeEx(pixnLog, L"Extension", &pEngineState->log.sczExtension);
+        ExitOnFailure(hr, "Failed to get Log/@Extension attribute.");
+    }
+
+    // get the chain element
+    hr = XmlSelectSingleNode(pixeBundle, L"Chain", &pixnChain);
+    ExitOnFailure(hr, "Failed to get chain element.");
+
+    if (S_OK == hr)
+    {
+        // parse disable rollback
+        hr = XmlGetYesNoAttribute(pixnChain, L"DisableRollback", &pEngineState->fDisableRollback);
+        if (E_NOTFOUND != hr)
+        {
+            ExitOnFailure(hr, "Failed to get Chain/@DisableRollback");
+        }
+
+        // parse disable system restore
+        hr = XmlGetYesNoAttribute(pixnChain, L"DisableSystemRestore", &pEngineState->fDisableSystemRestore);
+        if (E_NOTFOUND != hr)
+        {
+            ExitOnFailure(hr, "Failed to get Chain/@DisableSystemRestore");
+        }
+
+        // parse parallel cache
+        hr = XmlGetYesNoAttribute(pixnChain, L"ParallelCache", &pEngineState->fParallelCacheAndExecute);
+        if (E_NOTFOUND != hr)
+        {
+            ExitOnFailure(hr, "Failed to get Chain/@ParallelCache");
+        }
+    }
+
+    // parse built-in condition 
+    hr = ConditionGlobalParseFromXml(&pEngineState->condition, pixeBundle);
+    ExitOnFailure(hr, "Failed to parse global condition.");
+
+    // parse variables
+    hr = VariablesParseFromXml(&pEngineState->variables, pixeBundle);
+    ExitOnFailure(hr, "Failed to parse variables.");
+
+    // parse user experience
+    hr = UserExperienceParseFromXml(&pEngineState->userExperience, pixeBundle);
+    ExitOnFailure(hr, "Failed to parse user experience.");
+
+    // parse extensions
+    hr = BurnExtensionParseFromXml(&pEngineState->extensions, &pEngineState->userExperience.payloads, pixeBundle);
+    ExitOnFailure(hr, "Failed to parse extensions.");
+
+    // parse searches
+    hr = SearchesParseFromXml(&pEngineState->searches, &pEngineState->extensions, pixeBundle);
+    ExitOnFailure(hr, "Failed to parse searches.");
+
+    // parse registration
+    hr = RegistrationParseFromXml(&pEngineState->registration, pixeBundle);
+    ExitOnFailure(hr, "Failed to parse registration.");
+
+    // parse update
+    hr = UpdateParseFromXml(&pEngineState->update, pixeBundle);
+    ExitOnFailure(hr, "Failed to parse update.");
+
+    // parse containers
+    hr = ContainersParseFromXml(&pEngineState->containers, pixeBundle);
+    ExitOnFailure(hr, "Failed to parse containers.");
+
+    // parse payloads
+    hr = PayloadsParseFromXml(&pEngineState->payloads, &pEngineState->containers, &pEngineState->layoutPayloads, pixeBundle);
+    ExitOnFailure(hr, "Failed to parse payloads.");
+
+    // parse packages
+    hr = PackagesParseFromXml(&pEngineState->packages, &pEngineState->payloads, pixeBundle);
+    ExitOnFailure(hr, "Failed to parse packages.");
+
+    // parse approved exes for elevation
+    hr = ApprovedExesParseFromXml(&pEngineState->approvedExes, pixeBundle);
+    ExitOnFailure(hr, "Failed to parse approved exes.");
+
+LExit:
+    ReleaseObject(pixnChain);
+    ReleaseObject(pixnLog);
+    ReleaseObject(pixeBundle);
+    return hr;
+}