/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_registry.hxx"

#include <registry/registry.h>
#include <registry/registry.hxx>
#include <osl/process.h>

#include "keyimpl.hxx"
#include "regimpl.hxx"
#include "regkey.hxx"

#if defined(WIN32) || defined(WNT) || defined(OS2)
#include <io.h>
#endif

#include <string.h>
#if defined(UNX)
#include <stdlib.h>
#include <unistd.h>
#endif

#if defined ( GCC ) && ( defined ( SCO ) )
ORealDynamicLoader* ODynamicLoader<Registry_Api>::m_pLoader = NULL;
#endif

extern "C" {

//*********************************************************************
//	acquire
//
static void REGISTRY_CALLTYPE acquire(RegHandle hReg)
{
	ORegistry* pReg = (ORegistry*) hReg;

	if (pReg != NULL)
		pReg->acquire();
}


//*********************************************************************
//	release
//
static void REGISTRY_CALLTYPE release(RegHandle hReg)
{
	ORegistry* pReg = (ORegistry*) hReg;

	if (pReg)
	{
		if (pReg->release() == 0)
		{
			delete pReg;
			hReg = NULL;
		}
	}
}


//*********************************************************************
//	getName
//
static RegError REGISTRY_CALLTYPE getName(RegHandle hReg, rtl_uString** pName)
{
	ORegistry* 	pReg;

	if (hReg)
	{
		pReg = (ORegistry*)hReg;
		if ( pReg->isOpen() )
		{
			rtl_uString_assign(pName, pReg->getName().pData);
			return REG_NO_ERROR;
		} else
		{
			rtl_uString_new(pName);
			return REG_REGISTRY_NOT_OPEN;
		}
	}

	rtl_uString_new(pName);
	return REG_INVALID_REGISTRY;
}


//*********************************************************************
//	isReadOnly
//
static sal_Bool REGISTRY_CALLTYPE isReadOnly(RegHandle hReg)
{
	if (hReg)
		return ((ORegistry*)hReg)->isReadOnly();
	else
		return sal_False;
}


//*********************************************************************
//	createRegistry
//
static RegError REGISTRY_CALLTYPE createRegistry(rtl_uString* registryName, 
											     RegHandle* phRegistry)
{
	RegError ret;

	ORegistry* pReg = new ORegistry();
	if ((ret = pReg->initRegistry(registryName, REG_CREATE)))
	{
		*phRegistry = NULL;
		return ret;
	}	
		
	*phRegistry = pReg;
		
	return REG_NO_ERROR;
}	

//*********************************************************************
//	openRootKey
//
static RegError REGISTRY_CALLTYPE openRootKey(RegHandle hReg, 
											  RegKeyHandle* phRootKey)
{
	ORegistry* pReg;
	
	if (hReg)
	{
		pReg = (ORegistry*)hReg;
		if (!pReg->isOpen())
			return REG_REGISTRY_NOT_OPEN;
	} else
	{
		phRootKey = NULL;
		return REG_INVALID_REGISTRY;
	}
	
	*phRootKey = pReg->getRootKey();
	
	return REG_NO_ERROR;	
}	


//*********************************************************************
//	openRegistry
//
static RegError REGISTRY_CALLTYPE openRegistry(rtl_uString* registryName, 
											   RegHandle* phRegistry, 
											   RegAccessMode accessMode)
{
	RegError _ret;

	ORegistry* pReg = new ORegistry();
	if ((_ret = pReg->initRegistry(registryName, accessMode)))
	{
		*phRegistry = NULL;
		delete pReg;
		return _ret;
	}	

		
	*phRegistry = pReg;

	return REG_NO_ERROR;
}	

//*********************************************************************
//	closeRegistry
//
static RegError REGISTRY_CALLTYPE closeRegistry(RegHandle hReg)
{
	ORegistry	*pReg;
	
	if (hReg)
	{
		pReg = (ORegistry*)hReg;
		if (!pReg->isOpen())
			return REG_REGISTRY_NOT_OPEN;
		
		RegError ret = REG_NO_ERROR;
		if (pReg->release() == 0)
		{
			delete(pReg);
			hReg = NULL;
		}
		else
			ret = pReg->closeRegistry();

		return ret;
	} else
	{
		return REG_INVALID_REGISTRY;
	}
}	


//*********************************************************************
//	destroyRegistry
//
static RegError REGISTRY_CALLTYPE destroyRegistry(RegHandle hReg,
												  rtl_uString* registryName)
{
	ORegistry	*pReg;
	
	if (hReg)
	{
		pReg = (ORegistry*)hReg;
		if (!pReg->isOpen())
			return REG_INVALID_REGISTRY;
		
		RegError ret = pReg->destroyRegistry(registryName);
		if (!ret)
		{
			if (!registryName->length)
			{
				delete(pReg);
				hReg = NULL;
			}
		}
		return ret;
	} else
	{
		return REG_INVALID_REGISTRY;
	}
}	


//*********************************************************************
//	loadRegKey
//
static RegError REGISTRY_CALLTYPE loadKey(RegHandle hReg,
								   		   RegKeyHandle hKey, 
										   rtl_uString* keyName, 
										   rtl_uString* regFileName)
{
	
	ORegistry* pReg = static_cast< ORegistry* >(hReg);
	if (!pReg)
		return REG_INVALID_REGISTRY;

	if (!pReg->isOpen())
		return REG_REGISTRY_NOT_OPEN;

	ORegKey* pKey = static_cast< ORegKey* >(hKey);
	if (!pKey)
		return REG_INVALID_KEY;

	if (pKey->getRegistry() != pReg)
		return REG_INVALID_KEY;
	if (pKey->isDeleted())
		return REG_INVALID_KEY;
	if (pKey->isReadOnly())
		return REG_REGISTRY_READONLY;


	ORegKey* pNewKey = 0;
	RegError _ret = pKey->openKey(keyName, (RegKeyHandle*)&pNewKey);
	if (_ret == REG_NO_ERROR)
	{
		pKey->releaseKey(pNewKey);
		pKey->deleteKey(keyName);
	}

	_ret = pKey->createKey(keyName, (RegKeyHandle*)&pNewKey);
	if (_ret != REG_NO_ERROR)
		return _ret;

	_ret = pReg->loadKey(pNewKey, regFileName);
	if (_ret != REG_NO_ERROR)
	{
		pKey->releaseKey(pNewKey);
		pKey->deleteKey(keyName);
		return _ret;
	}

	return pKey->closeKey(pNewKey);
}

//*********************************************************************
//	saveKey
//
static RegError REGISTRY_CALLTYPE saveKey(RegHandle hReg,
								   		   RegKeyHandle hKey, 
										   rtl_uString* keyName, 
										   rtl_uString* regFileName)
{
	
	ORegistry* pReg = static_cast< ORegistry* >(hReg);
	if (!pReg)
		return REG_INVALID_REGISTRY;

	if (!pReg->isOpen())
		return REG_REGISTRY_NOT_OPEN;

	ORegKey* pKey = static_cast< ORegKey* >(hKey);
	if (!pKey)
		return REG_INVALID_KEY;

	if (pKey->getRegistry() != pReg)
		return REG_INVALID_KEY;
	if (pKey->isDeleted())
		return REG_INVALID_KEY;

	ORegKey* pNewKey = 0;
	RegError _ret = pKey->openKey(keyName, (RegKeyHandle*)&pNewKey);
	if (_ret != REG_NO_ERROR)
		return _ret;

	_ret = pReg->saveKey(pNewKey, regFileName);
	if (_ret != REG_NO_ERROR)
	{
		(void) pKey->releaseKey(pNewKey);
		return _ret;
	}

	return pKey->releaseKey(pNewKey);
}	

//*********************************************************************
//	mergeKey
//
static RegError REGISTRY_CALLTYPE mergeKey(RegHandle hReg,
								   		   RegKeyHandle hKey, 
										   rtl_uString* keyName, 
										   rtl_uString* regFileName,
										   sal_Bool bWarnings,
										   sal_Bool bReport)
{
	ORegistry* pReg = static_cast< ORegistry* >(hReg);
	if (!pReg)
		return REG_INVALID_REGISTRY;
	if (!pReg->isOpen())
		return REG_REGISTRY_NOT_OPEN;

	ORegKey* pKey = static_cast< ORegKey* >(hKey);
	if (!pKey)
		return REG_INVALID_KEY;
	if (pKey->getRegistry() != pReg)
		return REG_INVALID_KEY;
	if (pKey->isDeleted())
		return REG_INVALID_KEY;
	if (pKey->isReadOnly())
		return REG_REGISTRY_READONLY;

	if (keyName->length)
	{
		ORegKey* pNewKey = 0;
		RegError _ret = pKey->createKey(keyName, (RegKeyHandle*)&pNewKey);
		if (_ret != REG_NO_ERROR)
			return _ret;

		_ret = pReg->loadKey(pNewKey, regFileName, bWarnings, bReport);
		if (_ret == REG_MERGE_ERROR || (_ret == REG_MERGE_CONFLICT && bWarnings))
		{
			if (pNewKey != pKey)
				(void) pKey->closeKey(pNewKey);
			else
				(void) pKey->releaseKey(pNewKey);
			return _ret;
		}

		return (pNewKey != pKey) ? pKey->closeKey(pNewKey) : pKey->releaseKey(pNewKey);
	}

	return pReg->loadKey(pKey, regFileName, bWarnings, bReport);
}	

//*********************************************************************
//	dumpRegistry
//
static RegError REGISTRY_CALLTYPE dumpRegistry(RegHandle hReg,
											   RegKeyHandle hKey)
{
	ORegistry* pReg = static_cast< ORegistry* >(hReg);
	if (!pReg)
		return REG_INVALID_REGISTRY;
	if (!pReg->isOpen())
		return REG_REGISTRY_NOT_OPEN;

	ORegKey* pKey = static_cast< ORegKey* >(hKey);
	if (!pKey)
		return REG_INVALID_KEY;
	if (pKey->getRegistry() != pReg)
		return REG_INVALID_KEY;
	if (pKey->isDeleted())
		return REG_INVALID_KEY;

	return pReg->dumpRegistry(hKey);
}	

//*********************************************************************
//	initRegistry_Api
//
Registry_Api* REGISTRY_CALLTYPE initRegistry_Api(void)
{
	static Registry_Api aApi= {&acquire,
							   &release,
							   &isReadOnly,
							   &openRootKey,
							   &getName,
							   &createRegistry,
							   &openRegistry,
							   &closeRegistry,
							   &destroyRegistry,
							   &loadKey,
							   &saveKey,
							   &mergeKey,
							   &dumpRegistry,
							   &acquireKey,
							   &releaseKey,
							   &isKeyReadOnly,
							   &getKeyName,
							   &createKey,
							   &openKey,
							   &openSubKeys,
							   &closeSubKeys,
							   &deleteKey,
							   &closeKey,
							   &setValue,
							   &setLongListValue,
							   &setStringListValue,
							   &setUnicodeListValue,
							   &getValueInfo,
							   &getValue,
							   &getLongListValue,
							   &getStringListValue,
							   &getUnicodeListValue,
							   &freeValueList,
							   &createLink,
							   &deleteLink,
							   &getKeyType,
							   &getLinkTarget,
							   &getResolvedKeyName,
							   &getKeyNames,
							   &freeKeyNames};

	return (&aApi);
}

}

//*********************************************************************
//	reg_loadRegKey
//
RegError REGISTRY_CALLTYPE reg_loadKey(RegKeyHandle hKey, 
									   rtl_uString* keyName, 
									   rtl_uString* regFileName)
{
	ORegKey *pKey;
	
	if (hKey)
		pKey = (ORegKey*)hKey;
	else
		return REG_INVALID_KEY;

	return loadKey(pKey->getRegistry(), hKey, keyName, regFileName);
}	

//*********************************************************************
//	reg_saveKey
//
RegError REGISTRY_CALLTYPE reg_saveKey(RegKeyHandle hKey, 
									   rtl_uString* keyName, 
									   rtl_uString* regFileName)
{
	ORegKey *pKey;
	
	if (hKey)
		pKey = (ORegKey*)hKey;
	else
		return REG_INVALID_KEY;

	return saveKey(pKey->getRegistry(), hKey, keyName, regFileName);
}	

//*********************************************************************
//	reg_mergeKey
//
RegError REGISTRY_CALLTYPE reg_mergeKey(RegKeyHandle hKey, 
									    rtl_uString* keyName, 
									    rtl_uString* regFileName,
										sal_Bool bWarnings,
										sal_Bool bReport)
{
	ORegKey *pKey;
	
	if (hKey)
		pKey = (ORegKey*)hKey;
	else
		return REG_INVALID_KEY;

	return mergeKey(pKey->getRegistry(), hKey, keyName, regFileName, bWarnings, bReport);
}	

//*********************************************************************
//	reg_createRegistry
//
RegError REGISTRY_CALLTYPE reg_createRegistry(rtl_uString* registryName, 
											  RegHandle* phRegistry)
{
	RegError ret;

	ORegistry* pReg = new ORegistry();
	if ((ret = pReg->initRegistry(registryName, REG_CREATE)))
	{
		*phRegistry = NULL;
		return ret;
	}	
		
	*phRegistry = pReg;
		
	return REG_NO_ERROR;
}	

//*********************************************************************
//	reg_openRootKey
//
RegError REGISTRY_CALLTYPE reg_openRootKey(RegHandle hRegistry, 
										  RegKeyHandle* phRootKey)
{
	return openRootKey(hRegistry, phRootKey);
}	


//*********************************************************************
//	reg_getName
//
RegError REGISTRY_CALLTYPE reg_getName(RegHandle hRegistry, rtl_uString** pName)
{
	return getName(hRegistry, pName);
}

	
//*********************************************************************
//	reg_isReadOnly
//
sal_Bool REGISTRY_CALLTYPE reg_isReadOnly(RegHandle hRegistry)
{
	return isReadOnly(hRegistry);
}


//*********************************************************************
//	reg_openRegistry
//
RegError REGISTRY_CALLTYPE reg_openRegistry(rtl_uString* registryName, 
											RegHandle* phRegistry, 
											RegAccessMode accessMode)
{
	RegError _ret;

	ORegistry* pReg = new ORegistry();
	if ((_ret = pReg->initRegistry(registryName, accessMode)))
	{
		*phRegistry = NULL;
		return _ret;
	}	
		
	*phRegistry = pReg;

	return REG_NO_ERROR;
}	

//*********************************************************************
//	reg_closeRegistry
//
RegError REGISTRY_CALLTYPE reg_closeRegistry(RegHandle hRegistry)
{
	ORegistry* pReg;
	
	if (hRegistry)
	{
		pReg = (ORegistry*)hRegistry;
		delete(pReg);
		return REG_NO_ERROR;
	} else
	{
		return REG_REGISTRY_NOT_OPEN;
	}
}	


//*********************************************************************
//	reg_destroyRegistry
//
RegError REGISTRY_CALLTYPE reg_destroyRegistry(RegHandle hRegistry,
											   rtl_uString* registryName)
{
	return destroyRegistry(hRegistry, registryName);
}	


//*********************************************************************
//	reg_dumpRegistry
//
RegError REGISTRY_CALLTYPE reg_dumpRegistry(RegKeyHandle hKey)
{
	ORegKey *pKey;
	
	if (hKey)
		pKey = (ORegKey*)hKey;
	else
		return REG_INVALID_KEY;

	return dumpRegistry(pKey->getRegistry(), hKey);
}