T2CommandLine.cpp

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#include "ToshiPCH.h"
#include "T2CommandLine.h"
 
//-----------------------------------------------------------------------------
// Enables memory debugging.
// Note: Should be the last include!
//-----------------------------------------------------------------------------
#include "Core/TMemoryDebugOn.h"
 
TOSHI_NAMESPACE_START
 
T2CommandLine::T2CommandLine( T2StringView a_pchCommandLine )
{
    Create( a_pchCommandLine );
}
 
T2CommandLine::T2CommandLine()
{
    m_szCommandLine[ 0 ] = '\0';
    m_bInitialised       = TFALSE;
}
 
void T2CommandLine::Create( T2StringView a_pchCommandLine )
{
    if ( a_pchCommandLine )
    {
        TSIZE uiCommandLineLength = a_pchCommandLine.Length();
        m_szCommandLine.Copy( a_pchCommandLine );
        m_bInitialised = TTRUE;
 
        m_Parser.SetBuffer( a_pchCommandLine, uiCommandLineLength );
 
        // Parse the parameters
        m_ParsedParams.Clear();
 
        char szToken[ 1024 ];
        while ( !m_Parser.IsOver() )
        {
            TBOOL bReadToken = m_Parser.ReadToken( szToken, sizeof( szToken ) );
 
            if ( bReadToken )
                m_ParsedParams.Push( szToken );
        }
    }
}
 
TBOOL T2CommandLine::HasParameter( const TCHAR* a_pszParameter, TINT* a_pIndex /*= TNULL */ ) const
{
    TASSERT( m_bInitialised );
 
    if ( a_pIndex )
        *a_pIndex = -1;
 
    TARRAY_FOREACH( m_ParsedParams, it )
    {
        if ( it.Get() == a_pszParameter )
        {
            if ( a_pIndex )
                *a_pIndex = it.Index();
 
            return TTRUE;
        }
    }
 
    return TFALSE;
}
 
TString8 T2CommandLine::GetParameterValue( const TCHAR* a_pszParameter, const TCHAR* a_pszDefaultValue ) const
{
    TASSERT( m_bInitialised );
 
    const TCHAR* pszValue = GetNextParameter( a_pszParameter );
 
    if ( pszValue )
        return pszValue;
 
    return a_pszDefaultValue;
}
 
const TCHAR* T2CommandLine::GetNextParameter( const TCHAR* a_pszParameter ) const
{
    TINT  iParamIndex;
    TBOOL bHasParam = HasParameter( a_pszParameter, &iParamIndex );
 
    if ( bHasParam && iParamIndex + 1 < m_ParsedParams.Size() )
    {
        return m_ParsedParams[ iParamIndex + 1 ];
    }
 
    return TNULL;
}
 
TOSHI_NAMESPACE_END