/**************************************************************
 * 
 * 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
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 *************************************************************/


#include "rtl/ustring.hxx"
#include "uno/environment.h"
#include "env_subst.hxx"


void SAL_CALL uno_getEnvironment(uno_Environment ** ppEnv, 
								 rtl_uString      * pEnvDcp, 
								 void             * pContext)
	SAL_THROW_EXTERN_C()
{
	rtl::OUString envDcp(pEnvDcp);

	rtl::OString  a_envName("UNO_ENV_SUBST:");
	a_envName += rtl::OUStringToOString(envDcp, RTL_TEXTENCODING_ASCII_US);
	char * c_value = getenv(a_envName.getStr());
	if (c_value && rtl_str_getLength(c_value))
	{
		rtl::OString a_envDcp(a_envName.copy(a_envName.indexOf(':') + 1));

		OSL_TRACE("UNO_ENV_SUBST \"%s\" -> \"%s\"", a_envDcp.getStr(), c_value);
		rtl::OUString value(c_value, rtl_str_getLength(c_value), RTL_TEXTENCODING_ASCII_US);
		
 		envDcp = value;
	}

	uno_direct_getEnvironment(ppEnv, envDcp.pData, pContext);
}