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//
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
//
#ifndef APPDOMAINCONFIGFACTORY_H
#define APPDOMAINCONFIGFACTORY_H
#include <xmlparser.h>
#include <objbase.h>
#include "unknwn.h"
#include "../xmlparser/_reference.h"
#include "../xmlparser/_unknown.h"
#include "appdomain.hpp"
#define ISWHITE(ch) ((ch) >= 0x09 && (ch) <= 0x0D || (ch) == 0x20)
#define CONST_STRING_AND_LEN(str) str, NumItems(str)-1
extern int EEXMLStringCompare(const WCHAR *pStr1,
DWORD cchStr1,
const WCHAR *pStr2,
DWORD cchStr2);
enum APPDOMAINPARSESTATE
{
APPDOMAINPARSESTATE_INITIALIZED,
APPDOMAINPARSESTATE_RUNTIME,
APPDOMAINPARSESTATE_PREFERCOMINSTEADOFREMOTING,
APPDOMAINPARSESTATE_ENABLED,
APPDOMAINPARSESTATE_LEGACYMODE
};
class AppDomainConfigFactory : public _unknown<IXMLNodeFactory, &IID_IXMLNodeFactory>
{
public:
AppDomainConfigFactory() : m_dwDepth(0), comorRemotingFlag(COMorRemoting_NotInitialized), m_appdomainParseState(APPDOMAINPARSESTATE_INITIALIZED)
{
LIMITED_METHOD_CONTRACT;
}
~AppDomainConfigFactory()
{
LIMITED_METHOD_CONTRACT;
}
HRESULT STDMETHODCALLTYPE NotifyEvent(
/* [in] */ IXMLNodeSource __RPC_FAR *pSource,
/* [in] */ XML_NODEFACTORY_EVENT iEvt)
{
LIMITED_METHOD_CONTRACT;
return S_OK;
}
HRESULT STDMETHODCALLTYPE BeginChildren(
/* [in] */ IXMLNodeSource __RPC_FAR *pSource,
/* [in] */ XML_NODE_INFO* __RPC_FAR pNodeInfo)
{
LIMITED_METHOD_CONTRACT;
m_dwDepth++;
return S_OK;
}
HRESULT STDMETHODCALLTYPE EndChildren(
/* [in] */ IXMLNodeSource __RPC_FAR *pSource,
/* [in] */ BOOL fEmptyNode,
/* [in] */ XML_NODE_INFO* __RPC_FAR pNodeInfo)
{
LIMITED_METHOD_CONTRACT;
if (!fEmptyNode)
m_dwDepth--;
return S_OK;
}
HRESULT STDMETHODCALLTYPE Error(
/* [in] */ IXMLNodeSource __RPC_FAR *pSource,
/* [in] */ HRESULT hrErrorCode,
/* [in] */ USHORT cNumRecs,
/* [in] */ XML_NODE_INFO* __RPC_FAR * __RPC_FAR apNodeInfo)
{
LIMITED_METHOD_CONTRACT;
/*
UNUSED(pSource);
UNUSED(hrErrorCode);
UNUSED(cNumRecs);
UNUSED(apNodeInfo);
*/
return hrErrorCode;
}
HRESULT STDMETHODCALLTYPE CreateNode(
/* [in] */ IXMLNodeSource __RPC_FAR *pSource,
/* [in] */ PVOID pNodeParent,
/* [in] */ USHORT cNumRecs,
/* [in] */ XML_NODE_INFO* __RPC_FAR * __RPC_FAR apNodeInfo)
{
CONTRACTL
{
NOTHROW;
GC_TRIGGERS;
MODE_ANY;
INJECT_FAULT(return E_OUTOFMEMORY;);
}
CONTRACTL_END;
if(m_dwDepth > 2)
{
return S_OK;
}
HRESULT hr = S_OK;
DWORD dwStringSize = 0;
WCHAR* pszString = NULL;
DWORD i;
BOOL fRuntimeKey = FALSE;
BOOL fVersion = FALSE;
for( i = 0; i < cNumRecs; i++) {
if(apNodeInfo[i]->dwType == XML_ELEMENT ||
apNodeInfo[i]->dwType == XML_ATTRIBUTE ||
apNodeInfo[i]->dwType == XML_PCDATA) {
dwStringSize = apNodeInfo[i]->ulLen;
pszString = (WCHAR*) apNodeInfo[i]->pwcText;
// Trim the value
// we should never decrement lgth if it's 0, because it's unsigned
for(;*pszString && ISWHITE(*pszString) && dwStringSize>0; pszString++, dwStringSize--);
while( dwStringSize > 0 && ISWHITE(pszString[dwStringSize-1]))
dwStringSize--;
if (m_appdomainParseState == APPDOMAINPARSESTATE_INITIALIZED)
{
//look forward to <runtime>
if (m_dwDepth == 1 &&
apNodeInfo[i]->dwType == XML_ELEMENT &&
EEXMLStringCompare(pszString, dwStringSize, CONST_STRING_AND_LEN(W("runtime"))) == 0)
{
m_appdomainParseState = APPDOMAINPARSESTATE_RUNTIME;
}
return S_OK;
}
else if (m_appdomainParseState == APPDOMAINPARSESTATE_RUNTIME)
{
// look forward to <PreferComInsteadOfManagedRemoting enabled="true"/>
if (m_dwDepth == 2 &&
apNodeInfo[i]->dwType == XML_ELEMENT &&
EEXMLStringCompare(pszString, dwStringSize, CONST_STRING_AND_LEN(W("PreferComInsteadOfManagedRemoting"))) == 0)
{
m_appdomainParseState = APPDOMAINPARSESTATE_PREFERCOMINSTEADOFREMOTING;
continue;
}
// if we ended parsing <Runtime>, we abort it
if (m_dwDepth <= 1)
pSource->Abort(NULL);
return S_OK;
}
else if (m_appdomainParseState == APPDOMAINPARSESTATE_PREFERCOMINSTEADOFREMOTING)
{
// require enabled="true"/> or legacyMode="true"/>
if (m_dwDepth == 2 &&
apNodeInfo[i]->dwType == XML_ATTRIBUTE)
{
if (EEXMLStringCompare(pszString, dwStringSize, CONST_STRING_AND_LEN(W("enabled"))) == 0)
{
m_appdomainParseState = APPDOMAINPARSESTATE_ENABLED;
}
if (EEXMLStringCompare(pszString, dwStringSize, CONST_STRING_AND_LEN(W("legacyMode"))) == 0)
{
m_appdomainParseState = APPDOMAINPARSESTATE_LEGACYMODE;
}
}
// ignore unrecognized attributes (forward compat)
continue;
}
else if (m_appdomainParseState == APPDOMAINPARSESTATE_ENABLED || m_appdomainParseState == APPDOMAINPARSESTATE_LEGACYMODE)
{
// require "true" /> or "false" />
if (m_dwDepth == 2 &&
apNodeInfo[i]->dwType == XML_PCDATA)
{
if (EEXMLStringCompare(pszString, dwStringSize, CONST_STRING_AND_LEN(W("true"))) == 0)
{
if (m_appdomainParseState == APPDOMAINPARSESTATE_LEGACYMODE)
{
// LegacyMode does not override the "master switch"
if (comorRemotingFlag != COMorRemoting_COM)
comorRemotingFlag = COMorRemoting_LegacyMode;
}
else
{
comorRemotingFlag = COMorRemoting_COM;
}
}
else if (EEXMLStringCompare(pszString, dwStringSize, CONST_STRING_AND_LEN(W("false"))) == 0)
{
if (m_appdomainParseState == APPDOMAINPARSESTATE_ENABLED)
{
// we do report that the "master switch" is explictly false
if (comorRemotingFlag == COMorRemoting_NotInitialized)
comorRemotingFlag = COMorRemoting_Remoting;
}
}
m_appdomainParseState = APPDOMAINPARSESTATE_PREFERCOMINSTEADOFREMOTING;
continue;
}
pSource->Abort(NULL);
return S_OK;
}
}
}
return hr;
}
COMorRemotingFlag GetCOMorRemotingFlag()
{
LIMITED_METHOD_CONTRACT;
return comorRemotingFlag;
}
private:
DWORD m_dwDepth;
COMorRemotingFlag comorRemotingFlag;
APPDOMAINPARSESTATE m_appdomainParseState;
};
#endif APPDOMAINCONFIGFACTORY_H
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