/****************************************************************************
Copyright (c) 2005, Radon Labs GmbH
Copyright (c) 2011-2013,WebJet Business Division,CYOU
 
http://www.genesis-3d.com.cn

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/

#include "stdneb.h"
#include "util/commandlineargs.h"

namespace Util
{
#if !__OSX__
using namespace Math;
#endif
    
//------------------------------------------------------------------------------
/**
*/
CommandLineArgs::CommandLineArgs()
{
    // empty
}

//------------------------------------------------------------------------------
/**
*/
CommandLineArgs::CommandLineArgs(const String& l)
{
    this->args = l.Tokenize(" \t\n=", '"');
}

//------------------------------------------------------------------------------
/**
*/
CommandLineArgs::CommandLineArgs(int argc, const char** argv)
{
    int i;
    for (i = 0; i < argc; i++)
    {
        this->args.Append(argv[i]);
    }
}

//------------------------------------------------------------------------------
/**
    Put out a missing argument error.
*/
void
CommandLineArgs::Error(const String& argName) const
{
    n_error("CmdLine: arg '%s' not found!", argName.AsCharPtr());
}

//------------------------------------------------------------------------------
/**
    Returns the command name.
*/
const String&
CommandLineArgs::GetCmdName() const
{
    n_assert(this->args.Size() > 0);
    return this->args[0];
}

//------------------------------------------------------------------------------
/**
    Returns true if argument exists.
*/
bool
CommandLineArgs::HasArg(const String& name) const
{
    IndexT index = this->args.FindIndex(name);
    return (index != InvalidIndex);
}

//------------------------------------------------------------------------------
/**
    Returns index of argument. Throws an error if argument not found.
*/
int
CommandLineArgs::FindArgIndex(const String& name) const
{
    n_assert(name.IsValid());
    IndexT i = this->args.FindIndex(name);
    if (InvalidIndex == i)
    {
        this->Error(name);
    }
    return i;
}

//------------------------------------------------------------------------------
/**
*/
const String&
CommandLineArgs::GetString(const String& name, const String& defaultValue) const
{
    if (this->HasArg(name))
    {
        return this->args[this->FindArgIndex(name) + 1];
    }
    else
    {
        return defaultValue;
    }
}

//------------------------------------------------------------------------------
/**
*/
int
CommandLineArgs::GetInt(const String& name, int defaultValue) const
{
    if (this->HasArg(name))
    {
        return this->args[this->FindArgIndex(name) + 1].AsInt();
    }
    else
    {
        return defaultValue;
    }
}

//------------------------------------------------------------------------------
/**
*/
float
CommandLineArgs::GetFloat(const String& name, float defaultValue) const
{
    if (this->HasArg(name))
    {
        return this->args[this->FindArgIndex(name) + 1].AsFloat();
    }
    else
    {
        return defaultValue;
    }
}

//------------------------------------------------------------------------------
/**
*/
bool
CommandLineArgs::GetBool(const String& name, bool defaultValue) const
{
    if (this->HasArg(name))
    {
        return this->args[this->FindArgIndex(name) + 1].AsBool();
    }
    else
    {
        return defaultValue;
    }
}

//------------------------------------------------------------------------------
/**
*/
bool
CommandLineArgs::GetBoolFlag(const String& name) const
{
    return this->HasArg(name);
}

#if !__OSX__
//------------------------------------------------------------------------------
/**
*/
float4
CommandLineArgs::GetFloat4(const String& name, const float4& defaultValue) const
{
    if (this->HasArg(name))
    {
        return this->args[this->FindArgIndex(name) + 1].AsFloat4();
    }
    else
    {
        return defaultValue;
    }
}

//------------------------------------------------------------------------------
/**
*/
matrix44
CommandLineArgs::GetMatrix44(const String& name, const matrix44& defaultValue) const
{
    if (this->HasArg(name))
    {
        return this->args[this->FindArgIndex(name) + 1].AsMatrix44();
    }
    else
    {
        return defaultValue;
    }
}
#endif
    
//------------------------------------------------------------------------------
/**
*/
SizeT
CommandLineArgs::GetNumArgs() const
{
    n_assert(this->args.Size() > 0);
    return this->args.Size() - 1;
}

//------------------------------------------------------------------------------
/**
*/
const String&
CommandLineArgs::GetStringAtIndex(IndexT index) const
{
    return this->args[index + 1];
}

//------------------------------------------------------------------------------
/**
*/
int
CommandLineArgs::GetIntAtIndex(IndexT index) const
{
    return this->args[index + 1].AsInt();
}

//------------------------------------------------------------------------------
/**
*/
float
CommandLineArgs::GetFloatAtIndex(IndexT index) const
{
    return this->args[index + 1].AsFloat();
}

//------------------------------------------------------------------------------
/**
*/
bool
CommandLineArgs::GetBoolAtIndex(IndexT index) const
{
    return this->args[index + 1].AsBool();
}

#if !__OSX__    
//------------------------------------------------------------------------------
/**
*/
float4
CommandLineArgs::GetFloat4AtIndex(IndexT index) const
{
    return this->args[index + 1].AsFloat4();
}

//------------------------------------------------------------------------------
/**
*/
matrix44
CommandLineArgs::GetMatrix44AtIndex(IndexT index) const
{
    return this->args[index + 1].AsMatrix44();
}
#endif
    
//------------------------------------------------------------------------------
/**
*/
void 
CommandLineArgs::AppendCommandString(const CommandLineArgs& otherArgs)
{
    IndexT i;
    for (i = 0; i < otherArgs.args.Size(); ++i)
    {
        this->args.Append(otherArgs.args[i]);
    }
}
} // namespace Util