//===-- MICmdArgValConsume.cpp -------------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

//++
// File:		MICmdArgValConsume.cpp
//
// Overview:	CMICmdArgValConsume implementation.
//
// Environment:	Compilers:	Visual C++ 12.
//							gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
//				Libraries:	See MIReadmetxt. 
//
// Copyright:	None.
//--

// In-house headers:
#include "MICmdArgValConsume.h"
#include "MICmdArgContext.h"

//++ ------------------------------------------------------------------------------------
// Details:	CMICmdArgValConsume constructor.
// Type:	Method.
// Args:	None.
// Return:	None.
// Throws:	None.
//--
CMICmdArgValConsume::CMICmdArgValConsume( void )
{
}

//++ ------------------------------------------------------------------------------------
// Details:	CMICmdArgValConsume constructor.
// Type:	Method.
// Args:	vrArgName		- (R) Argument's name to search by.
//			vbMandatory		- (R) True = Yes must be present, false = optional argument.
// Return:	None.
// Throws:	None.
//--
CMICmdArgValConsume::CMICmdArgValConsume( const CMIUtilString & vrArgName, const bool vbMandatory )
:	CMICmdArgValBaseTemplate( vrArgName, vbMandatory, true )
{
}

//++ ------------------------------------------------------------------------------------
// Details:	CMICmdArgValConsume destructor.
// Type:	Overidden.
// Args:	None.
// Return:	None.
// Throws:	None.
//--
CMICmdArgValConsume::~CMICmdArgValConsume( void )
{
}

//++ ------------------------------------------------------------------------------------
// Details:	Parse the command's argument options string and try to extract the value *this
//			argument is looking for.
// Type:	Overridden.
// Args:	vwArgContext	- (R) The command's argument options string.
// Return:	MIstatus::success - Functional succeeded.
//			MIstatus::failure - Functional failed.
// Throws:	None.
//--
bool CMICmdArgValConsume::Validate( CMICmdArgContext & vwArgContext )
{
	if( vwArgContext.IsEmpty() )
		return MIstatus::success;

	if( vwArgContext.GetNumberArgsPresent() == 1 )
	{
		const CMIUtilString & rArg( vwArgContext.GetArgsLeftToParse() ); 
		m_bFound = true;
		m_bValid = true;
		vwArgContext.RemoveArg( rArg );
		return MIstatus::success;
	}
	
	// In reality there are more than one option,  if so the file option 
	// is the last one (don't handle that here - find the best looking one)
	const CMIUtilString::VecString_t vecOptions( vwArgContext.GetArgs() );
	CMIUtilString::VecString_t::const_iterator it = vecOptions.begin();
	while( it != vecOptions.end() )
	{
		const CMIUtilString & rTxt( *it ); 
		m_bFound = true;
				
		if( vwArgContext.RemoveArg( rTxt ) )
		{
			m_bValid = true;
			return MIstatus::success;
		}
		else
			return MIstatus::success;
		
		// Next
		++it;
	}

	return MIstatus::failure;
}

//++ ------------------------------------------------------------------------------------
// Details:	Nothing to examine as we just want to consume the argument or option (ignore
//			it).
// Type:	Method.
// Args:	None.
// Return:	bool -	True = yes ok, false = not ok.
// Throws:	None.
//--
bool CMICmdArgValConsume::IsOk( void ) const
{
	return true;
}
