Environment.cc

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/*
 * Environment.cc
 *
 * Smalltalk like class library for C++
 * Application environment accessor.
 *
 * Copyright (c) 2005 Milan Cermak
 */
/*
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
#include <stdlib.h>

#include <stlib/String.h>
#include <stlib/KeyNotFoundError.h>

#include <stlib/os/Environment.h>

using namespace OS;

String *Environment::getEnv(String *name)
{
    return getEnv(name->asCString());
}

String *Environment::getEnv(const char *name)
{
    char *value;
    value = getenv(name);
    if (value == NULL) {
        Error *error = new KeyNotFoundError(__PRETTY_FUNCTION__, new String(name));
        error->raise();
    }
    return new String(value);
}

void Environment::setEnv(String *name, String* value)
{
    setEnv(name->asCString(),
           value == nil ? NULL : value->asCString());
}

void Environment::setEnv(String *name, const char *value)
{
    setEnv(name->asCString(), value);
}

void Environment::setEnv(const char *name, String *value)
{
    setEnv(name, value == nil ? NULL : value->asCString());
}

void Environment::setEnv(const char *name, const char *value)
{
    if (value == NULL) unsetenv(name);
                  else setenv(name, value, 1);
}

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