/**************************************************************
 * 
 * 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_codemaker.hxx"

#include "rtl/alloc.h"
#include "codemaker/typemanager.hxx"
#include "registry/reader.hxx"
#include "registry/version.h"

using namespace rtl;

TypeManager::TypeManager()
{
	m_pImpl = new TypeManagerImpl();
	acquire();	
}	

TypeManager::~TypeManager()
{
	release();
}	

sal_Int32 TypeManager::acquire()
{ 
	return osl_incrementInterlockedCount(&m_pImpl->m_refCount);
}

sal_Int32 TypeManager::release()
{ 
	sal_Int32 refCount = 0;
	if (0 == (refCount = osl_decrementInterlockedCount(&m_pImpl->m_refCount)) )
	{
		delete m_pImpl;
	}
	return refCount;;
}

sal_Bool TypeManager::isBaseType(const ::rtl::OString& name)
{
	if ( name.equals(OString("short")) )
		return sal_True;
	if ( name.equals(OString("unsigned short")) )
		return sal_True;
	if ( name.equals(OString("long")) )
		return sal_True;
	if ( name.equals(OString("unsigned long")) )
		return sal_True;
	if ( name.equals(OString("hyper")) )
		return sal_True;
	if ( name.equals(OString("unsigned hyper")) )
		return sal_True;
	if ( name.equals(OString("string")) )
		return sal_True;
	if ( name.equals(OString("boolean")) )
		return sal_True;
	if ( name.equals(OString("char")) )
		return sal_True;
	if ( name.equals(OString("byte")) )
		return sal_True;
	if ( name.equals(OString("any")) )
		return sal_True;
	if ( name.equals(OString("type")) )
		return sal_True;
	if ( name.equals(OString("float")) )
		return sal_True;
	if ( name.equals(OString("double")) )
		return sal_True;
	if ( name.equals(OString("void")) )
		return sal_True;

	return sal_False;
}	

RegistryTypeManager::RegistryTypeManager()
{
	m_pImpl = new RegistryTypeManagerImpl();
	acquire();	
}	

RegistryTypeManager::~RegistryTypeManager()
{
	release();
}	

void RegistryTypeManager::acquire()
{ 
	TypeManager::acquire();
}

void RegistryTypeManager::release()
{ 
	if (0 == TypeManager::release())
	{
        freeRegistries();
        
		delete m_pImpl;
	}
}

sal_Bool RegistryTypeManager::init(
    const StringVector& regFiles,
    StringVector const & extraFiles )
{
	if (regFiles.empty())
		return sal_False;

	StringVector::const_iterator iter = regFiles.begin();

	Registry tmpReg;
	while (iter != regFiles.end())
	{
		if (!tmpReg.open( convertToFileUrl(*iter), REG_READONLY))
			m_pImpl->m_registries.push_back(new Registry(tmpReg));
		else
		{
			freeRegistries();
			return sal_False;
		}
		++iter;
	}
    iter = extraFiles.begin();
	while (iter != extraFiles.end())
	{
		if (!tmpReg.open( convertToFileUrl(*iter), REG_READONLY))
			m_pImpl->m_extra_registries.push_back(new Registry(tmpReg));
		else
		{
			freeRegistries();
			return sal_False;
		}
		++iter;
	}
	
	return sal_True;
}	

::rtl::OString RegistryTypeManager::getTypeName(RegistryKey& rTypeKey) const
{
    OString typeName = OUStringToOString(rTypeKey.getName(), RTL_TEXTENCODING_UTF8);

    if (m_pImpl->m_base.getLength() > 1)
        typeName = typeName.copy(typeName.indexOf('/', 1) + 1);
    else
        typeName = typeName.copy(1);

    return typeName;
}

typereg::Reader RegistryTypeManager::getTypeReader(
    const OString& name, sal_Bool * pIsExtraType ) const
{
    typereg::Reader reader;
	RegistryKey key(searchTypeKey(name, pIsExtraType));
	
	if (key.isValid())
	{
		RegValueType 	valueType;
		sal_uInt32		valueSize;

		if (!key.getValueInfo(OUString(), &valueType, &valueSize))
		{
			sal_uInt8*	pBuffer = (sal_uInt8*)rtl_allocateMemory(valueSize);	
			if (!key.getValue(OUString(), pBuffer))
			{
                reader = typereg::Reader(
                    pBuffer, valueSize, true, TYPEREG_VERSION_1);
			}		
			rtl_freeMemory(pBuffer);
		}
	}
	return reader;
}	

typereg::Reader RegistryTypeManager::getTypeReader(RegistryKey& rTypeKey) const
{
    typereg::Reader reader;
	
	if (rTypeKey.isValid())
	{
		RegValueType 	valueType;
		sal_uInt32		valueSize;

		if (!rTypeKey.getValueInfo(OUString(), &valueType, &valueSize))
		{
			sal_uInt8*	pBuffer = (sal_uInt8*)rtl_allocateMemory(valueSize);	
			if (!rTypeKey.getValue(OUString(), pBuffer))
			{
                reader = typereg::Reader(
                    pBuffer, valueSize, true, TYPEREG_VERSION_1);
			}		
			rtl_freeMemory(pBuffer);
		}
	}
	return reader;
}	


RTTypeClass RegistryTypeManager::getTypeClass(const OString& name) const
{
	if (m_pImpl->m_t2TypeClass.count(name) > 0)
	{
		return m_pImpl->m_t2TypeClass[name];		
	} else
	{
		RegistryKey key(searchTypeKey(name));
		
		if (key.isValid())
		{
			RegValueType 	valueType;
			sal_uInt32		valueSize;

			if (!key.getValueInfo(OUString(), &valueType, &valueSize))
			{
				sal_uInt8*	pBuffer = (sal_uInt8*)rtl_allocateMemory(valueSize);	
				if (!key.getValue(OUString(), pBuffer))
				{
					typereg::Reader reader(
                        pBuffer, valueSize, false, TYPEREG_VERSION_1);

					RTTypeClass ret = reader.getTypeClass();
					
					rtl_freeMemory(pBuffer);
					
					m_pImpl->m_t2TypeClass[name] = ret;				
					return ret;
				}		
				rtl_freeMemory(pBuffer);
			}
		}
	}	

	return RT_TYPE_INVALID;	
}	

RTTypeClass RegistryTypeManager::getTypeClass(RegistryKey& rTypeKey) const
{
    OString name = getTypeName(rTypeKey);
    
	if (m_pImpl->m_t2TypeClass.count(name) > 0)
	{
		return m_pImpl->m_t2TypeClass[name];		
	} else
	{
		if (rTypeKey.isValid())
		{
			RegValueType 	valueType;
			sal_uInt32		valueSize;

			if (!rTypeKey.getValueInfo(OUString(), &valueType, &valueSize))
			{
				sal_uInt8*	pBuffer = (sal_uInt8*)rtl_allocateMemory(valueSize);	
				if (!rTypeKey.getValue(OUString(), pBuffer))
				{
					typereg::Reader reader(
                        pBuffer, valueSize, false, TYPEREG_VERSION_1);

					RTTypeClass ret = reader.getTypeClass();
					
					rtl_freeMemory(pBuffer);
					
					m_pImpl->m_t2TypeClass[name] = ret;				
					return ret;
				}		
				rtl_freeMemory(pBuffer);
			}
		}
	}	

	return RT_TYPE_INVALID;	
}	

void RegistryTypeManager::setBase(const OString& base)
{ 

	if (base.lastIndexOf('/') == (base.getLength() - 1))
		m_pImpl->m_base += base.copy(0, base.lastIndexOf('/') - 1);
    else
        m_pImpl->m_base += base;
}

void RegistryTypeManager::freeRegistries()
{
	RegistryList::const_iterator iter = m_pImpl->m_registries.begin();
	while (iter != m_pImpl->m_registries.end())
	{
		delete *iter;
		++iter;
	}
    iter = m_pImpl->m_extra_registries.begin();
	while (iter != m_pImpl->m_extra_registries.end())
	{
		delete *iter;
		++iter;
	}
}	

RegistryKey	RegistryTypeManager::searchTypeKey(const OString& name_, sal_Bool * pIsExtraType )
    const
{
    OUString name( OStringToOUString(m_pImpl->m_base + "/" + name_, RTL_TEXTENCODING_UTF8) );
	RegistryKey key, rootKey;
    
    RegistryList::const_iterator iter = m_pImpl->m_registries.begin();
    while (iter != m_pImpl->m_registries.end())
    {
        if (!(*iter)->openRootKey(rootKey))
        {
            if (!rootKey.openKey(name, key))
            {
                if (pIsExtraType)
                    *pIsExtraType = sal_False;
                return key;
            }
        }
        ++iter;
    }
    iter = m_pImpl->m_extra_registries.begin();
    while (iter != m_pImpl->m_extra_registries.end())
    {
        if (!(*iter)->openRootKey(rootKey))
        {
            if (!rootKey.openKey(name, key))
            {
                if (pIsExtraType)
                    *pIsExtraType = sal_True;
                break;
            }
        }
        ++iter;
    }	
	
	return key;
}	
	
RegistryKeyList	RegistryTypeManager::getTypeKeys(const ::rtl::OString& name_) const
{
    RegistryKeyList keyList= RegistryKeyList();
    OString tmpName;
    if ( name_.equals("/") || name_.equals(m_pImpl->m_base) ) {
        tmpName = m_pImpl->m_base;
    } else {
        if ( m_pImpl->m_base.equals("/") )
            tmpName = name_;
        else
            tmpName = m_pImpl->m_base + "/" + name_;
    }
    
    OUString name( OStringToOUString(tmpName, RTL_TEXTENCODING_UTF8) );
	RegistryKey key, rootKey;
    
    RegistryList::const_iterator iter = m_pImpl->m_registries.begin();
    while (iter != m_pImpl->m_registries.end())
    {
        if (!(*iter)->openRootKey(rootKey))
        {
            if (!rootKey.openKey(name, key))
            {
                keyList.push_back(KeyPair(key, sal_False));
            }
        }
        ++iter;
    }
    iter = m_pImpl->m_extra_registries.begin();
    while (iter != m_pImpl->m_extra_registries.end())
    {
        if (!(*iter)->openRootKey(rootKey))
        {
            if (!rootKey.openKey(name, key))
            {
                keyList.push_back(KeyPair(key, sal_True));
            }
        }
        ++iter;
    }	
	
    return keyList;
}